quick update for garmin
This commit is contained in:
parent
91a1a81d96
commit
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LCSC Part,Mfr. Part #,Mfr. #,Customer#,Quantity,Target Price($),Target Lead Time,Unit Price($),Ext Price($),Lead Time (business days),Pricing Valid,Remarks,Status
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C2888573,TSD003A04126A02,BZCN,,150,-,,-,-,,,,Inquiring
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C8734,STM32F103C8T6,STMicroelectronics,,15,-,,-,-,,,,Inquiring
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C2890616,N096-1608TBBIG11-H13,Newvisio,,15,-,,-,-,,,,Inquiring
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C182965,MT9216,XI'AN Aerosemi Tech,,20,-,,-,-,,,,Inquiring
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C1607,CL10A225KP8NNNC,Samsung Electro-Mechanics,,100,-,,-,-,,,,Inquiring
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C42412253,F8-4.3-4-0.4Z,Sam&wing,,60,-,,-,-,,,,Inquiring
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C5137636,FCC0603B104K500CT,FOJAN,,200,-,,-,-,,,,Inquiring
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C6119842,CGA0603X5R106K100JT,HRE,,100,-,,-,-,,,,Inquiring
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C100044,RC0603FR-070RL,YAGEO,,100,-,,-,-,,,,Inquiring
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C14675,RC0603FR-07100KL,YAGEO,,100,-,,-,-,,,,Inquiring
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C2907113,FRC0603J102 TS,FOJAN,,100,-,,-,-,,,,Inquiring
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C2930027,FRC0603J103TS,FOJAN,,100,-,,-,-,,,,Inquiring
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C2929429,CY54-4.7UH,SHOU HAN,,20,-,,-,-,,,,Inquiring
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C8032,CL10A475KQ8NNNC,Samsung Electro-Mechanics,,50,-,,-,-,,,,Inquiring
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C1653,CL10C220JB8NNNC,Samsung Electro-Mechanics,,100,-,,-,-,,,,Inquiring
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C3013969,AR05BTCW4003,Viking Tech,,20,-,,-,-,,,,Inquiring
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@ -1,3 +1,7 @@
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# THIS README IS NOW OUTDATED. THE PROJECT IS WAY COOLER AND AN ARTICLE IS COMING SOON!
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I've implimented my own border tracing algorithim to dramatically speed up rendering. There's a few other optimizations, such as shifting around image buffers, etc. <br>
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Software is still in disarray and could be optimized, however it runs smoothly. Hardware is working, I haven't had time to test all functionallity though. The battery does charge and discharge safely (cut off at 1v).<br>
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# STM32 Mandelbrot Explorer Buisness Card
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A battery powered business card that can explore the Mandelbrot set. Meant to be cheaply made for handing out. Will likely include a flappy bird clone to encourage recruiter competition.
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# Project in development! See below for a brief write up.
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30
buyme
30
buyme
@ -1,30 +0,0 @@
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bat charger - imported
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2 22uf ceramic capacitors (done)
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leds+resistors (done)
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in+out filters: 22uf (done)
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20 must take 1a
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timing capacitor (done) - 270nF
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schotty diode (done)
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inductor (done)
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bat to 3v - imported
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100nf/.1uf cap (done)
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2 10/22uf caps (done)
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check 4.7 uh inductor (done)
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usb to 3v
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voltage div resistors (done)
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2 1uf ceramic caps (done)
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comparator - imported
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boost converter is high=on
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1uf caps (done)
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1uf between vdd/gnd (done)
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1000pf between vout and gnd (done)
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15nF timer cap (done)
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TODO:
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check list
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check layout
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set inductors
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BIN
datasheets/AO3400.pdf
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BIN
datasheets/AO3400.pdf
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BIN
datasheets/AO3401.pdf
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BIN
datasheets/AO3401.pdf
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BIN
imgs/border_demo.mkv
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BIN
imgs/border_demo.mkv
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@ -1,19 +1,19 @@
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{
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"board": {
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"active_layer": 0,
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"active_layer_preset": "Front Layers",
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"active_layer_preset": "",
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"auto_track_width": true,
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"hidden_netclasses": [],
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"hidden_nets": [],
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"high_contrast_mode": 0,
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"net_color_mode": 1,
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"opacity": {
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"images": 0.5299999713897705,
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"images": 1.0,
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"pads": 1.0,
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"shapes": 1.0,
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"tracks": 1.0,
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"vias": 1.0,
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"zones": 0.7300000190734863
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"zones": 0.7099999785423279
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},
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"selection_filter": {
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"dimensions": true,
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@ -36,7 +36,6 @@
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"footprints_front",
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"footprints_back",
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"footprint_values",
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"footprint_references",
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"tracks",
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"drc_errors",
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"drawing_sheet",
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@ -37,9 +37,9 @@
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"other_text_thickness": 0.15,
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"other_text_upright": false,
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"pads": {
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"drill": 0.762,
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"height": 1.524,
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"width": 1.524
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"drill": 0.6,
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"height": 1.7,
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"width": 1.1
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},
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"silk_line_width": 0.1,
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"silk_text_italic": false,
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@ -528,7 +528,7 @@
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"gencad": "",
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"idf": "",
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"netlist": "",
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"plot": "../../v2_output_thermalpads/",
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"plot": "../../v3_career_fair/",
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"pos_files": "",
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"specctra_dsn": "",
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"step": "",
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1
kicad/stm32card/~_autosave-stm32card.kicad_pcb.lck
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1
kicad/stm32card/~_autosave-stm32card.kicad_pcb.lck
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{"hostname":"indigo","username":"indigo"}
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{"hostname":"indigosDesktop","username":"indigo"}
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{"hostname":"indigosDesktop","username":"indigo"}
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15
kicad_outputs/v2_output_thermalpads/stm32card-B_Paste.gbp
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15
kicad_outputs/v2_output_thermalpads/stm32card-B_Paste.gbp
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@ -0,0 +1,15 @@
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@ -4159,7 +4159,6 @@ X200530439Y-101470705D01*
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X200530439Y-100759225D01*
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1583
kicad_outputs/v2_output_thermalpads/stm32card-F_Cu.gtl
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1583
kicad_outputs/v2_output_thermalpads/stm32card-F_Cu.gtl
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Load Diff
424
kicad_outputs/v2_output_thermalpads/stm32card-F_Mask.gts
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424
kicad_outputs/v2_output_thermalpads/stm32card-F_Mask.gts
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@ -0,0 +1,424 @@
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||||
%ADD40R,0.600000X1.000000*%
|
||||
%ADD41R,1.200000X0.600000*%
|
||||
%ADD42R,2.400000X3.300000*%
|
||||
%ADD43RoundRect,0.100000X-0.100000X0.225000X-0.100000X-0.225000X0.100000X-0.225000X0.100000X0.225000X0*%
|
||||
%ADD44RoundRect,0.250000X1.000000X0.650000X-1.000000X0.650000X-1.000000X-0.650000X1.000000X-0.650000X0*%
|
||||
%ADD45R,1.200000X0.500000*%
|
||||
G04 APERTURE END LIST*
|
||||
D10*
|
||||
X186594442Y-122410210D03*
|
||||
X188144442Y-122410210D03*
|
||||
D11*
|
||||
X168458966Y-118260712D03*
|
||||
X166908966Y-118260712D03*
|
||||
D10*
|
||||
X158188180Y-107195974D03*
|
||||
X159738180Y-107195974D03*
|
||||
D12*
|
||||
X202951133Y-104665534D03*
|
||||
X210951133Y-104665534D03*
|
||||
X202951133Y-109165534D03*
|
||||
X210951133Y-109165534D03*
|
||||
D10*
|
||||
X186498159Y-120535261D03*
|
||||
X188048159Y-120535261D03*
|
||||
D13*
|
||||
X163141120Y-116686961D03*
|
||||
X163141120Y-118586961D03*
|
||||
X165016120Y-117636961D03*
|
||||
D14*
|
||||
X159771321Y-108741969D03*
|
||||
X159771321Y-110291969D03*
|
||||
D15*
|
||||
X158924572Y-102960590D03*
|
||||
X154264572Y-102960590D03*
|
||||
D16*
|
||||
X148272523Y-93543316D03*
|
||||
X148272523Y-95193316D03*
|
||||
D17*
|
||||
X161212267Y-117283573D03*
|
||||
X161212267Y-115633573D03*
|
||||
D14*
|
||||
X148265612Y-90338172D03*
|
||||
X148265612Y-91888172D03*
|
||||
D18*
|
||||
X161041538Y-127096790D03*
|
||||
X159391538Y-127096790D03*
|
||||
D19*
|
||||
X151018909Y-89007494D03*
|
||||
X151018909Y-83307494D03*
|
||||
D20*
|
||||
X164428408Y-125040799D03*
|
||||
X164428408Y-129563379D03*
|
||||
D21*
|
||||
X150718124Y-96870191D03*
|
||||
X152618124Y-96870191D03*
|
||||
D22*
|
||||
X174374351Y-129940450D03*
|
||||
X176024351Y-129940450D03*
|
||||
X158138180Y-111847959D03*
|
||||
X159788180Y-111847959D03*
|
||||
D10*
|
||||
X176162472Y-126786884D03*
|
||||
X177712472Y-126786884D03*
|
||||
D23*
|
||||
X156386756Y-120670500D03*
|
||||
X156386756Y-118570500D03*
|
||||
D24*
|
||||
X150343692Y-117402201D03*
|
||||
X150343692Y-113402201D03*
|
||||
D25*
|
||||
X174559466Y-111035534D03*
|
||||
X174559466Y-110335534D03*
|
||||
X174559466Y-109635534D03*
|
||||
X174559466Y-108935534D03*
|
||||
X174559466Y-108235534D03*
|
||||
X174559466Y-107535534D03*
|
||||
X174559466Y-106835534D03*
|
||||
X174559466Y-106135534D03*
|
||||
X174559466Y-105435534D03*
|
||||
X174559466Y-104735534D03*
|
||||
X174559466Y-104035534D03*
|
||||
X174559466Y-103335534D03*
|
||||
X174559466Y-102635534D03*
|
||||
D10*
|
||||
X178467267Y-124578690D03*
|
||||
X180017267Y-124578690D03*
|
||||
D18*
|
||||
X171606612Y-129942382D03*
|
||||
X169956612Y-129942382D03*
|
||||
D20*
|
||||
X138326311Y-91051939D03*
|
||||
D26*
|
||||
X158155852Y-120238248D03*
|
||||
X158155852Y-120888248D03*
|
||||
X158155852Y-121538248D03*
|
||||
X160055852Y-121538248D03*
|
||||
X160055852Y-120888248D03*
|
||||
X160055852Y-120238248D03*
|
||||
D16*
|
||||
X142831133Y-89980534D03*
|
||||
X142831133Y-91630534D03*
|
||||
D18*
|
||||
X156601572Y-97546454D03*
|
||||
X154951572Y-97546454D03*
|
||||
D22*
|
||||
X145769655Y-97587083D03*
|
||||
X147419655Y-97587083D03*
|
||||
D10*
|
||||
X181710179Y-116398550D03*
|
||||
X183260179Y-116398550D03*
|
||||
X158188180Y-113473015D03*
|
||||
X159738180Y-113473015D03*
|
||||
D22*
|
||||
X159028030Y-86593369D03*
|
||||
X160678030Y-86593369D03*
|
||||
D18*
|
||||
X154307133Y-124486382D03*
|
||||
X152657133Y-124486382D03*
|
||||
D16*
|
||||
X158155040Y-108691969D03*
|
||||
X158155040Y-110341969D03*
|
||||
D11*
|
||||
X180017267Y-121658690D03*
|
||||
X178467267Y-121658690D03*
|
||||
D22*
|
||||
X183488159Y-120535261D03*
|
||||
X185138159Y-120535261D03*
|
||||
X161559017Y-122220255D03*
|
||||
X163209017Y-122220255D03*
|
||||
D10*
|
||||
X186482004Y-118016635D03*
|
||||
X188032004Y-118016635D03*
|
||||
D27*
|
||||
X161087776Y-90140150D03*
|
||||
X216827776Y-90140150D03*
|
||||
D28*
|
||||
X159208406Y-125258345D03*
|
||||
X161108406Y-125258345D03*
|
||||
X160158406Y-123383345D03*
|
||||
D12*
|
||||
X210951133Y-113132201D03*
|
||||
X218951133Y-113132201D03*
|
||||
X210951133Y-117632201D03*
|
||||
X218951133Y-117632201D03*
|
||||
D10*
|
||||
X178467267Y-123118690D03*
|
||||
X180017267Y-123118690D03*
|
||||
D12*
|
||||
X194951133Y-113132201D03*
|
||||
X202951133Y-113132201D03*
|
||||
X194951133Y-117632201D03*
|
||||
X202951133Y-117632201D03*
|
||||
D22*
|
||||
X161689189Y-120596440D03*
|
||||
X163339189Y-120596440D03*
|
||||
D10*
|
||||
X164761789Y-120488899D03*
|
||||
X166311789Y-120488899D03*
|
||||
D22*
|
||||
X183584442Y-122410210D03*
|
||||
X185234442Y-122410210D03*
|
||||
D10*
|
||||
X154004818Y-111915048D03*
|
||||
X155554818Y-111915048D03*
|
||||
D13*
|
||||
X158379151Y-97346136D03*
|
||||
X158379151Y-99246136D03*
|
||||
X160254151Y-98296136D03*
|
||||
D29*
|
||||
X142574466Y-88210000D03*
|
||||
D30*
|
||||
X140554466Y-88210000D03*
|
||||
D31*
|
||||
X139324466Y-88210000D03*
|
||||
D29*
|
||||
X141574466Y-88210000D03*
|
||||
D30*
|
||||
X143594466Y-88210000D03*
|
||||
D31*
|
||||
X144824466Y-88210000D03*
|
||||
D32*
|
||||
X146394466Y-88130000D03*
|
||||
X146394466Y-84330000D03*
|
||||
X137754466Y-84330000D03*
|
||||
X137754466Y-88130000D03*
|
||||
D33*
|
||||
X146287603Y-91915281D03*
|
||||
X146287603Y-90040281D03*
|
||||
D22*
|
||||
X183472004Y-118016635D03*
|
||||
X185122004Y-118016635D03*
|
||||
D20*
|
||||
X180271664Y-127327070D03*
|
||||
D34*
|
||||
X153629818Y-106919279D03*
|
||||
X153629818Y-107869279D03*
|
||||
X153629818Y-108819279D03*
|
||||
X155929818Y-108819279D03*
|
||||
X155929818Y-107869279D03*
|
||||
X155929818Y-106919279D03*
|
||||
D20*
|
||||
X218169305Y-94883903D03*
|
||||
D10*
|
||||
X168864228Y-116560375D03*
|
||||
X170414228Y-116560375D03*
|
||||
D35*
|
||||
X160229235Y-95781538D03*
|
||||
X160229235Y-93881538D03*
|
||||
X158354235Y-94831538D03*
|
||||
D18*
|
||||
X163796670Y-97394465D03*
|
||||
X162146670Y-97394465D03*
|
||||
D10*
|
||||
X164569017Y-122220255D03*
|
||||
X166119017Y-122220255D03*
|
||||
D36*
|
||||
X176341495Y-125291194D03*
|
||||
X176341495Y-124791194D03*
|
||||
X176341495Y-124291194D03*
|
||||
X176341495Y-123791194D03*
|
||||
X176341495Y-123291194D03*
|
||||
X176341495Y-122791194D03*
|
||||
X176341495Y-122291194D03*
|
||||
X176341495Y-121791194D03*
|
||||
X176341495Y-121291194D03*
|
||||
X176341495Y-120791194D03*
|
||||
X176341495Y-120291194D03*
|
||||
X176341495Y-119791194D03*
|
||||
D37*
|
||||
X174991495Y-118441194D03*
|
||||
X174491495Y-118441194D03*
|
||||
X173991495Y-118441194D03*
|
||||
X173491495Y-118441194D03*
|
||||
X172991495Y-118441194D03*
|
||||
X172491495Y-118441194D03*
|
||||
X171991495Y-118441194D03*
|
||||
X171491495Y-118441194D03*
|
||||
X170991495Y-118441194D03*
|
||||
X170491495Y-118441194D03*
|
||||
X169991495Y-118441194D03*
|
||||
X169491495Y-118441194D03*
|
||||
D36*
|
||||
X168141495Y-119791194D03*
|
||||
X168141495Y-120291194D03*
|
||||
X168141495Y-120791194D03*
|
||||
X168141495Y-121291194D03*
|
||||
X168141495Y-121791194D03*
|
||||
X168141495Y-122291194D03*
|
||||
X168141495Y-122791194D03*
|
||||
X168141495Y-123291194D03*
|
||||
X168141495Y-123791194D03*
|
||||
X168141495Y-124291194D03*
|
||||
X168141495Y-124791194D03*
|
||||
X168141495Y-125291194D03*
|
||||
D37*
|
||||
X169491495Y-126641194D03*
|
||||
X169991495Y-126641194D03*
|
||||
X170491495Y-126641194D03*
|
||||
X170991495Y-126641194D03*
|
||||
X171491495Y-126641194D03*
|
||||
X171991495Y-126641194D03*
|
||||
X172491495Y-126641194D03*
|
||||
X172991495Y-126641194D03*
|
||||
X173491495Y-126641194D03*
|
||||
X173991495Y-126641194D03*
|
||||
X174491495Y-126641194D03*
|
||||
X174991495Y-126641194D03*
|
||||
D10*
|
||||
X154607149Y-116828160D03*
|
||||
X156157149Y-116828160D03*
|
||||
D22*
|
||||
X158167759Y-118711221D03*
|
||||
X159817759Y-118711221D03*
|
||||
D38*
|
||||
X146357799Y-127848868D03*
|
||||
X146357799Y-119848868D03*
|
||||
X150857799Y-127848868D03*
|
||||
X150857799Y-119848868D03*
|
||||
D12*
|
||||
X210951133Y-126098868D03*
|
||||
X202951133Y-126098868D03*
|
||||
X210951133Y-121598868D03*
|
||||
X202951133Y-121598868D03*
|
||||
D39*
|
||||
X144507305Y-91561135D03*
|
||||
X144507305Y-89986135D03*
|
||||
D22*
|
||||
X153954818Y-110310463D03*
|
||||
X155604818Y-110310463D03*
|
||||
D40*
|
||||
X154476567Y-120794558D03*
|
||||
X153526567Y-120794558D03*
|
||||
X152576567Y-120794558D03*
|
||||
X152576567Y-122994558D03*
|
||||
X154476567Y-122994558D03*
|
||||
D41*
|
||||
X156493169Y-94952776D03*
|
||||
X156493169Y-93682776D03*
|
||||
X156493169Y-92402776D03*
|
||||
X156493169Y-91132776D03*
|
||||
X150673169Y-91132776D03*
|
||||
X150673169Y-92402776D03*
|
||||
X150673169Y-93682776D03*
|
||||
X150673169Y-94952776D03*
|
||||
D42*
|
||||
X153583169Y-93042776D03*
|
||||
D18*
|
||||
X167345504Y-116264585D03*
|
||||
X165695504Y-116264585D03*
|
||||
D14*
|
||||
X157124998Y-88594361D03*
|
||||
X157124998Y-90144361D03*
|
||||
D22*
|
||||
X178700179Y-116398550D03*
|
||||
X180350179Y-116398550D03*
|
||||
D16*
|
||||
X157597011Y-124014185D03*
|
||||
X157597011Y-125664185D03*
|
||||
D43*
|
||||
X159575680Y-115376388D03*
|
||||
X158925680Y-115376388D03*
|
||||
X158275680Y-115376388D03*
|
||||
X158275680Y-117276388D03*
|
||||
X158925680Y-117276388D03*
|
||||
X159575680Y-117276388D03*
|
||||
D44*
|
||||
X159921580Y-84036310D03*
|
||||
X155921580Y-84036310D03*
|
||||
D20*
|
||||
X167611415Y-129563379D03*
|
||||
D16*
|
||||
X172991495Y-128364551D03*
|
||||
X172991495Y-130014551D03*
|
||||
D10*
|
||||
X174424341Y-128485724D03*
|
||||
X175974341Y-128485724D03*
|
||||
D14*
|
||||
X155695101Y-123373307D03*
|
||||
X155695101Y-124923307D03*
|
||||
D11*
|
||||
X154681287Y-119188736D03*
|
||||
X153131287Y-119188736D03*
|
||||
D38*
|
||||
X146357799Y-110915534D03*
|
||||
X146357799Y-102915534D03*
|
||||
X150857799Y-110915534D03*
|
||||
X150857799Y-102915534D03*
|
||||
D11*
|
||||
X167991495Y-126525753D03*
|
||||
X166441495Y-126525753D03*
|
||||
D22*
|
||||
X152629250Y-125997645D03*
|
||||
X154279250Y-125997645D03*
|
||||
D45*
|
||||
X153429818Y-113589341D03*
|
||||
X153429818Y-114539341D03*
|
||||
X153429818Y-115489341D03*
|
||||
X156129818Y-115489341D03*
|
||||
X156129818Y-113589341D03*
|
||||
D16*
|
||||
X141331133Y-89980534D03*
|
||||
X141331133Y-91630534D03*
|
||||
M02*
|
||||
406
kicad_outputs/v2_output_thermalpads/stm32card-F_Paste.gtp
Normal file
406
kicad_outputs/v2_output_thermalpads/stm32card-F_Paste.gtp
Normal file
@ -0,0 +1,406 @@
|
||||
G04 #@! TF.GenerationSoftware,KiCad,Pcbnew,9.0.3*
|
||||
G04 #@! TF.CreationDate,2025-08-27T19:30:40-05:00*
|
||||
G04 #@! TF.ProjectId,stm32card,73746d33-3263-4617-9264-2e6b69636164,rev?*
|
||||
G04 #@! TF.SameCoordinates,Original*
|
||||
G04 #@! TF.FileFunction,Paste,Top*
|
||||
G04 #@! TF.FilePolarity,Positive*
|
||||
%FSLAX46Y46*%
|
||||
G04 Gerber Fmt 4.6, Leading zero omitted, Abs format (unit mm)*
|
||||
G04 Created by KiCad (PCBNEW 9.0.3) date 2025-08-27 19:30:40*
|
||||
%MOMM*%
|
||||
%LPD*%
|
||||
G01*
|
||||
G04 APERTURE LIST*
|
||||
G04 Aperture macros list*
|
||||
%AMRoundRect*
|
||||
0 Rectangle with rounded corners*
|
||||
0 $1 Rounding radius*
|
||||
0 $2 $3 $4 $5 $6 $7 $8 $9 X,Y pos of 4 corners*
|
||||
0 Add a 4 corners polygon primitive as box body*
|
||||
4,1,4,$2,$3,$4,$5,$6,$7,$8,$9,$2,$3,0*
|
||||
0 Add four circle primitives for the rounded corners*
|
||||
1,1,$1+$1,$2,$3*
|
||||
1,1,$1+$1,$4,$5*
|
||||
1,1,$1+$1,$6,$7*
|
||||
1,1,$1+$1,$8,$9*
|
||||
0 Add four rect primitives between the rounded corners*
|
||||
20,1,$1+$1,$2,$3,$4,$5,0*
|
||||
20,1,$1+$1,$4,$5,$6,$7,0*
|
||||
20,1,$1+$1,$6,$7,$8,$9,0*
|
||||
20,1,$1+$1,$8,$9,$2,$3,0*%
|
||||
G04 Aperture macros list end*
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||||
X152629250Y-125997645D03*
|
||||
X154279250Y-125997645D03*
|
||||
D43*
|
||||
X153429818Y-113589341D03*
|
||||
X153429818Y-114539341D03*
|
||||
X153429818Y-115489341D03*
|
||||
X156129818Y-115489341D03*
|
||||
X156129818Y-113589341D03*
|
||||
D16*
|
||||
X141331133Y-89980534D03*
|
||||
X141331133Y-91630534D03*
|
||||
M02*
|
||||
5129
kicad_outputs/v2_output_thermalpads/stm32card-F_Silkscreen.gto
Normal file
5129
kicad_outputs/v2_output_thermalpads/stm32card-F_Silkscreen.gto
Normal file
File diff suppressed because it is too large
Load Diff
@ -1,12 +1,12 @@
|
||||
%TF.GenerationSoftware,KiCad,Pcbnew,9.0.2*%
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||||
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||||
%TF.GenerationSoftware,KiCad,Pcbnew,9.0.3*%
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||||
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||||
%TF.ProjectId,stm32card,73746d33-3263-4617-9264-2e6b69636164,rev?*%
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||||
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|
||||
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||||
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||||
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|
||||
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|
||||
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|
||||
G04 Created by KiCad (PCBNEW 9.0.3) date 2025-08-27 19:31:05*
|
||||
%MOMM*%
|
||||
%LPD*%
|
||||
G01*
|
||||
12
kicad_outputs/v2_output_thermalpads/stm32card-NPTH.drl
Normal file
12
kicad_outputs/v2_output_thermalpads/stm32card-NPTH.drl
Normal file
@ -0,0 +1,12 @@
|
||||
M48
|
||||
; DRILL file {KiCad 9.0.3} date 2025-08-27T19:31:05-0500
|
||||
; FORMAT={-:-/ absolute / metric / decimal}
|
||||
; #@! TF.CreationDate,2025-08-27T19:31:05-05:00
|
||||
; #@! TF.GenerationSoftware,Kicad,Pcbnew,9.0.3
|
||||
; #@! TF.FileFunction,NonPlated,1,2,NPTH
|
||||
FMAT,2
|
||||
METRIC
|
||||
%
|
||||
G90
|
||||
G05
|
||||
M30
|
||||
@ -1,12 +1,12 @@
|
||||
%TF.GenerationSoftware,KiCad,Pcbnew,9.0.2*%
|
||||
%TF.CreationDate,2025-07-13T16:14:11-05:00*%
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||||
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||||
%TF.CreationDate,2025-08-27T19:31:05-05:00*%
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||||
%TF.ProjectId,stm32card,73746d33-3263-4617-9264-2e6b69636164,rev?*%
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||||
%TF.SameCoordinates,Original*%
|
||||
%TF.FileFunction,Drillmap*%
|
||||
%TF.FilePolarity,Positive*%
|
||||
%FSLAX45Y45*%
|
||||
G04 Gerber Fmt 4.5, Leading zero omitted, Abs format (unit mm)*
|
||||
G04 Created by KiCad (PCBNEW 9.0.2) date 2025-07-13 16:14:11*
|
||||
G04 Created by KiCad (PCBNEW 9.0.3) date 2025-08-27 19:31:05*
|
||||
%MOMM*%
|
||||
%LPD*%
|
||||
G01*
|
||||
@ -62,78 +62,70 @@ X14467134Y-8660086D02*
|
||||
X14497134Y-8690086D01*
|
||||
X14497134Y-8660086D02*
|
||||
X14467134Y-8690086D01*
|
||||
X14886315Y-9709309D02*
|
||||
X14916315Y-9739309D01*
|
||||
X14916315Y-9709309D02*
|
||||
X14886315Y-9739309D01*
|
||||
X15188362Y-9176103D02*
|
||||
X15218362Y-9206103D01*
|
||||
X15218362Y-9176103D02*
|
||||
X15188362Y-9206103D01*
|
||||
X15233510Y-10771928D02*
|
||||
X15263510Y-10801928D01*
|
||||
X15263510Y-10771928D02*
|
||||
X15233510Y-10801928D01*
|
||||
X15243494Y-11782910D02*
|
||||
X15273494Y-11812910D01*
|
||||
X15273494Y-11782910D02*
|
||||
X15243494Y-11812910D01*
|
||||
X14927040Y-9274355D02*
|
||||
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|
||||
X14957040Y-9274355D02*
|
||||
X14927040Y-9304355D01*
|
||||
X15250880Y-10923202D02*
|
||||
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|
||||
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|
||||
X15250880Y-10953202D01*
|
||||
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|
||||
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|
||||
X15285483Y-9421812D02*
|
||||
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|
||||
X15258314Y-9157217D02*
|
||||
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|
||||
X15288314Y-9157217D02*
|
||||
X15258314Y-9187217D01*
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
X15373317Y-9289278D02*
|
||||
X15343317Y-9319278D01*
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
X15731600Y-9694028D01*
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
X15809696Y-9044834D02*
|
||||
X15779696Y-9074834D01*
|
||||
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|
||||
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|
||||
X15906636Y-11950008D02*
|
||||
X15876636Y-11980008D01*
|
||||
X15879252Y-12431608D02*
|
||||
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|
||||
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|
||||
X15879252Y-12461608D01*
|
||||
X15719035Y-12051950D02*
|
||||
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|
||||
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|
||||
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|
||||
X15882247Y-11094987D02*
|
||||
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|
||||
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|
||||
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|
||||
X15884145Y-11795548D02*
|
||||
X15914145Y-11825548D01*
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
@ -142,54 +134,50 @@ X16061449Y-10704597D02*
|
||||
X16091449Y-10734597D01*
|
||||
X16091449Y-10704597D02*
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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||||
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|
||||
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||||
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||||
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||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
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|
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@ -210,6 +198,10 @@ X18215680Y-11786663D02*
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D22*
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D10*
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X177712472Y-126786884D03*
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D23*
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X156386756Y-120670500D03*
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X156386756Y-118570500D03*
|
||||
D24*
|
||||
X150343692Y-117402201D03*
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X150343692Y-113402201D03*
|
||||
D25*
|
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X174559466Y-111035534D03*
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X174559466Y-110335534D03*
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X174559466Y-109635534D03*
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X174559466Y-108935534D03*
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X174559466Y-108235534D03*
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X174559466Y-107535534D03*
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X174559466Y-106135534D03*
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X174559466Y-104735534D03*
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X174559466Y-104035534D03*
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X174559466Y-103335534D03*
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D10*
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D18*
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D20*
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D26*
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D16*
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D18*
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D22*
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D18*
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||||
D16*
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X158155040Y-108691969D03*
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D11*
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D22*
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D10*
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D27*
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D28*
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D10*
|
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|
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D37*
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D10*
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D38*
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X150857799Y-127848868D03*
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X150857799Y-119848868D03*
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D12*
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X210951133Y-126098868D03*
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D39*
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D22*
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X153954818Y-110310463D03*
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D40*
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D41*
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X156493169Y-91132776D03*
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X150673169Y-92402776D03*
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D42*
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D18*
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D14*
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D22*
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D16*
|
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X157597011Y-124014185D03*
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|
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D43*
|
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X158275680Y-117276388D03*
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D44*
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D20*
|
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D16*
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D10*
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D14*
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D11*
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D38*
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D11*
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D22*
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D45*
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X153429818Y-114539341D03*
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X153429818Y-115489341D03*
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X156129818Y-115489341D03*
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X156129818Y-113589341D03*
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D16*
|
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X141331133Y-91630534D03*
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M02*
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406
kicad_outputs/v3_career_fair/stm32card-F_Paste.gtp
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406
kicad_outputs/v3_career_fair/stm32card-F_Paste.gtp
Normal file
@ -0,0 +1,406 @@
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%MOMM*%
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%LPD*%
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||||
G01*
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G04 APERTURE LIST*
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||||
G04 Aperture macros list*
|
||||
%AMRoundRect*
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||||
0 Rectangle with rounded corners*
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0 $1 Rounding radius*
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0 $2 $3 $4 $5 $6 $7 $8 $9 X,Y pos of 4 corners*
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0 Add a 4 corners polygon primitive as box body*
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4,1,4,$2,$3,$4,$5,$6,$7,$8,$9,$2,$3,0*
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0 Add four circle primitives for the rounded corners*
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1,1,$1+$1,$2,$3*
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1,1,$1+$1,$4,$5*
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1,1,$1+$1,$6,$7*
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1,1,$1+$1,$8,$9*
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0 Add four rect primitives between the rounded corners*
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20,1,$1+$1,$2,$3,$4,$5,0*
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||||
20,1,$1+$1,$4,$5,$6,$7,0*
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||||
20,1,$1+$1,$6,$7,$8,$9,0*
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20,1,$1+$1,$8,$9,$2,$3,0*%
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G04 Aperture macros list end*
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%ADD12R,1.800000X1.200000*%
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%ADD13RoundRect,0.150000X-0.587500X-0.150000X0.587500X-0.150000X0.587500X0.150000X-0.587500X0.150000X0*%
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%ADD14RoundRect,0.225000X-0.250000X0.225000X-0.250000X-0.225000X0.250000X-0.225000X0.250000X0.225000X0*%
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%ADD15R,3.000000X5.500000*%
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%ADD16RoundRect,0.200000X-0.275000X0.200000X-0.275000X-0.200000X0.275000X-0.200000X0.275000X0.200000X0*%
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%ADD17RoundRect,0.200000X0.275000X-0.200000X0.275000X0.200000X-0.275000X0.200000X-0.275000X-0.200000X0*%
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%ADD18RoundRect,0.200000X0.200000X0.275000X-0.200000X0.275000X-0.200000X-0.275000X0.200000X-0.275000X0*%
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%ADD19R,3.500000X2.350000*%
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%ADD20RoundRect,0.250000X-0.250000X-0.475000X0.250000X-0.475000X0.250000X0.475000X-0.250000X0.475000X0*%
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%ADD21RoundRect,0.200000X-0.200000X-0.275000X0.200000X-0.275000X0.200000X0.275000X-0.200000X0.275000X0*%
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%ADD22RoundRect,0.112500X0.112500X-0.187500X0.112500X0.187500X-0.112500X0.187500X-0.112500X-0.187500X0*%
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%ADD25RoundRect,0.100000X-0.225000X-0.100000X0.225000X-0.100000X0.225000X0.100000X-0.225000X0.100000X0*%
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%ADD26R,6.450000X5.300000*%
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%ADD27RoundRect,0.150000X0.150000X-0.587500X0.150000X0.587500X-0.150000X0.587500X-0.150000X-0.587500X0*%
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%ADD28R,0.700000X1.200000*%
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%ADD29R,0.760000X1.200000*%
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%ADD30R,0.800000X1.200000*%
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%ADD32R,1.070000X0.530000*%
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5129
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|
||||
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|
||||
G75*
|
||||
G02*
|
||||
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|
||||
G01*
|
||||
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|
||||
G75*
|
||||
G02*
|
||||
X15825353Y-9000238I80000J0D01*
|
||||
G01*
|
||||
X21815353Y-9000238D02*
|
||||
G75*
|
||||
G02*
|
||||
X21655353Y-9000238I-80000J0D01*
|
||||
G01*
|
||||
X21655353Y-9000238D02*
|
||||
G75*
|
||||
G02*
|
||||
X21815353Y-9000238I80000J0D01*
|
||||
G01*
|
||||
D12*
|
||||
X13514723Y-13547537D02*
|
||||
X13514723Y-13347537D01*
|
||||
X13514723Y-13347537D02*
|
||||
12
kicad_outputs/v3_career_fair/stm32card-NPTH.drl
Normal file
12
kicad_outputs/v3_career_fair/stm32card-NPTH.drl
Normal file
@ -0,0 +1,12 @@
|
||||
M48
|
||||
; DRILL file {KiCad 9.0.3} date 2025-08-27T19:31:21-0500
|
||||
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||||
METRIC
|
||||
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G90
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||||
G05
|
||||
M30
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||||
@ -1,20 +1,19 @@
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||||
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||||
G04 Created by KiCad (PCBNEW 9.0.3) date 2025-08-27 19:31:21*
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||||
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||||
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||||
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||||
G04 APERTURE LIST*
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|
||||
D10*
|
||||
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|
||||
@ -38,40 +37,19 @@ X13756447Y-8153553D01*
|
||||
X13256447Y-8653553D02*
|
||||
G75*
|
||||
G02*
|
||||
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||||
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||||
G01*
|
||||
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|
||||
G75*
|
||||
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|
||||
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||||
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||||
G01*
|
||||
D11*
|
||||
X15825353Y-9000238D02*
|
||||
G75*
|
||||
G02*
|
||||
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|
||||
G01*
|
||||
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|
||||
G75*
|
||||
G02*
|
||||
X15825353Y-9000238I80000J0D01*
|
||||
G01*
|
||||
X21815353Y-9000238D02*
|
||||
G75*
|
||||
G02*
|
||||
X21655353Y-9000238I-80000J0D01*
|
||||
G01*
|
||||
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|
||||
G75*
|
||||
G02*
|
||||
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||||
G01*
|
||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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|
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|
||||
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|
||||
X16835898Y-12978531D02*
|
||||
X16865898Y-13008531D01*
|
||||
X16865898Y-12978531D02*
|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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|
||||
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||||
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||||
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|
||||
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|
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|
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||||
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|
||||
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|
||||
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|
||||
X17445353Y-9514882D01*
|
||||
X17445353Y-9484882D02*
|
||||
X17415353Y-9514882D01*
|
||||
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|
||||
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|
||||
X17499624Y-12182906D02*
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
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|
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|
||||
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|
||||
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|
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|
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|
||||
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|
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|
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|
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|
||||
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|
||||
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|
||||
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|
||||
X15288314Y-9157217D02*
|
||||
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|
||||
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|
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|
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|
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|
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|
||||
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|
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
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|
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|
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|
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|
||||
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|
||||
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|
||||
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|
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|
||||
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|
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||||
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|
||||
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||||
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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X17279775Y-10279839D01*
|
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|
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|
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|
||||
X17632115Y-10598553D02*
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X17602115Y-10628553D01*
|
||||
X17604964Y-10248553D02*
|
||||
X17634964Y-10278553D01*
|
||||
X17634964Y-10248553D02*
|
||||
X17604964Y-10278553D01*
|
||||
X17604964Y-10388553D02*
|
||||
X17634964Y-10418553D01*
|
||||
X17634964Y-10388553D02*
|
||||
X17604964Y-10418553D01*
|
||||
X17681471Y-12832865D02*
|
||||
X17711471Y-12862865D01*
|
||||
X17711471Y-12832865D02*
|
||||
X17681471Y-12862865D01*
|
||||
X17706533Y-12833572D02*
|
||||
X17736533Y-12863572D01*
|
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X17736533Y-12833572D02*
|
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X17706533Y-12863572D01*
|
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X17736654Y-11624855D02*
|
||||
X17766654Y-11654855D01*
|
||||
X17766654Y-11624855D02*
|
||||
@ -188,22 +198,10 @@ X18215680Y-11786663D02*
|
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X18245680Y-11816663D01*
|
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X18245680Y-11786663D02*
|
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X18215680Y-11816663D01*
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X18725353Y-8521558D02*
|
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|
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|
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X21667778Y-8647536D02*
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|
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X13805447Y-8433000D02*
|
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|
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@ -300,7 +298,7 @@ G75*
|
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G03*
|
||||
X14669447Y-8843000I30000J0D01*
|
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|
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|
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|
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@ -439,12 +437,12 @@ X14876628Y-13433251D02*
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|
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@ -879,12 +877,48 @@ X16914724Y-13967537D02*
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||||
X17162343Y-13958013D01*
|
||||
X17162343Y-13958013D02*
|
||||
X17171867Y-13948489D01*
|
||||
X17171867Y-13948489D02*
|
||||
X17190914Y-13919918D01*
|
||||
X17190914Y-13919918D02*
|
||||
X17200438Y-13881823D01*
|
||||
X17200438Y-13881823D02*
|
||||
X17200438Y-13805632D01*
|
||||
X17200438Y-13805632D02*
|
||||
X17190914Y-13786585D01*
|
||||
X17190914Y-13786585D02*
|
||||
X17181390Y-13777061D01*
|
||||
X17181390Y-13777061D02*
|
||||
X17162343Y-13767537D01*
|
||||
X17162343Y-13767537D02*
|
||||
X17124248Y-13767537D01*
|
||||
X17124248Y-13767537D02*
|
||||
X17105200Y-13777061D01*
|
||||
X17105200Y-13777061D02*
|
||||
X17095676Y-13786585D01*
|
||||
X17095676Y-13786585D02*
|
||||
X17086152Y-13805632D01*
|
||||
X17086152Y-13805632D02*
|
||||
X17086152Y-13853251D01*
|
||||
X17086152Y-13853251D02*
|
||||
X17095676Y-13872299D01*
|
||||
X17095676Y-13872299D02*
|
||||
X17105200Y-13881823D01*
|
||||
X17105200Y-13881823D02*
|
||||
X17124248Y-13891347D01*
|
||||
X17124248Y-13891347D02*
|
||||
X17162343Y-13891347D01*
|
||||
X17162343Y-13891347D02*
|
||||
X17181390Y-13881823D01*
|
||||
X17181390Y-13881823D02*
|
||||
X17190914Y-13872299D01*
|
||||
X17190914Y-13872299D02*
|
||||
X17200438Y-13853251D01*
|
||||
X17438533Y-13967537D02*
|
||||
X17438533Y-13767537D01*
|
||||
X17524248Y-13967537D02*
|
||||
@ -1013,7 +1047,7 @@ X18248057Y-13777061D02*
|
||||
X18229010Y-13748489D01*
|
||||
X18229010Y-13748489D02*
|
||||
X18219486Y-13738966D01*
|
||||
D13*
|
||||
D12*
|
||||
X13253947Y-14140053D02*
|
||||
G75*
|
||||
G02*
|
||||
@ -1024,7 +1058,7 @@ G75*
|
||||
G02*
|
||||
X13253947Y-14140053I30000J0D01*
|
||||
G01*
|
||||
D12*
|
||||
D11*
|
||||
X13552819Y-14031537D02*
|
||||
X13571866Y-14031537D01*
|
||||
X13571866Y-14031537D02*
|
||||
65
kicad_outputs/v3_career_fair/stm32card-PTH.drl
Normal file
65
kicad_outputs/v3_career_fair/stm32card-PTH.drl
Normal file
@ -0,0 +1,65 @@
|
||||
M48
|
||||
; DRILL file {KiCad 9.0.3} date 2025-08-27T19:31:21-0500
|
||||
; FORMAT={-:-/ absolute / metric / decimal}
|
||||
; #@! TF.CreationDate,2025-08-27T19:31:21-05:00
|
||||
; #@! TF.GenerationSoftware,Kicad,Pcbnew,9.0.3
|
||||
; #@! TF.FileFunction,Plated,1,2,PTH
|
||||
FMAT,2
|
||||
METRIC
|
||||
; #@! TA.AperFunction,Plated,PTH,ViaDrill
|
||||
T1C0.300
|
||||
; #@! TA.AperFunction,Plated,PTH,ComponentDrill
|
||||
T2C0.600
|
||||
%
|
||||
G90
|
||||
G05
|
||||
T1
|
||||
X139.329Y-86.794
|
||||
X141.331Y-92.806
|
||||
X142.831Y-92.806
|
||||
X144.821Y-86.751
|
||||
X149.42Y-92.894
|
||||
X152.659Y-109.382
|
||||
X152.705Y-94.368
|
||||
X152.733Y-91.722
|
||||
X152.965Y-118.172
|
||||
X153.357Y-116.22
|
||||
X153.583Y-93.043
|
||||
X154.409Y-94.361
|
||||
X154.445Y-91.732
|
||||
X155.691Y-126.299
|
||||
X156.196Y-89.652
|
||||
X156.779Y-99.246
|
||||
X156.894Y-111.915
|
||||
X157.34Y-120.669
|
||||
X158.972Y-111.1
|
||||
X158.991Y-118.105
|
||||
X159.063Y-114.46
|
||||
X160.764Y-107.196
|
||||
X161.021Y-121.316
|
||||
X165.465Y-126.728
|
||||
X165.634Y-118.587
|
||||
X169.308Y-124.588
|
||||
X170.102Y-128.698
|
||||
X170.414Y-115.485
|
||||
X172.948Y-102.648
|
||||
X174.229Y-125.388
|
||||
X175.097Y-121.986
|
||||
X176.171Y-106.136
|
||||
X177.215Y-128.486
|
||||
X177.517Y-116.399
|
||||
X181.016Y-123.112
|
||||
X182.194Y-122.41
|
||||
X182.291Y-120.535
|
||||
X182.307Y-118.017
|
||||
X216.828Y-86.625
|
||||
T2
|
||||
X137.754Y-84.63G85X137.754Y-84.03
|
||||
G05
|
||||
X137.754Y-88.43G85X137.754Y-87.83
|
||||
G05
|
||||
X146.394Y-84.63G85X146.394Y-84.03
|
||||
G05
|
||||
X146.394Y-88.43G85X146.394Y-87.83
|
||||
G05
|
||||
M30
|
||||
BIN
kicad_outputs/v3_career_fair/v3_vareer_fair.zip
Normal file
BIN
kicad_outputs/v3_career_fair/v3_vareer_fair.zip
Normal file
Binary file not shown.
BIN
mandrel_border_sample.xcf
Normal file
BIN
mandrel_border_sample.xcf
Normal file
Binary file not shown.
BIN
pcb_qrcode.png
BIN
pcb_qrcode.png
Binary file not shown.
|
Before Width: | Height: | Size: 458 B After Width: | Height: | Size: 946 B |
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
@ -1,256 +1,256 @@
|
||||
ptype render_mandelbrot:cam
|
||||
ptype render_mandelbrot:camera
|
||||
set draw_mandelbrot:cam
|
||||
set draw_mandelbrot()::cam
|
||||
draw_mandelbrot()::cam
|
||||
print $3
|
||||
ptype $3
|
||||
bruh = 1
|
||||
set bruh = 1
|
||||
set $bruh = 1
|
||||
set $bruh = {
|
||||
min_r = -1,
|
||||
min_i = -0.5,
|
||||
max_r = 1,
|
||||
max_i = 0.5
|
||||
}
|
||||
set $bruh = {1, 2, 3, 4}
|
||||
bruh
|
||||
print $bruh
|
||||
set draw_mandelbrot()::cam
|
||||
set draw_mandelbrot()::cam = $bruh
|
||||
set draw_mandelbrot()::cam.min_r = -2
|
||||
set draw_mandelbrot()::cam
|
||||
set draw_mandelbrot()::cam = 0
|
||||
set draw_mandelbrot()::cam = {0}
|
||||
print $bruh
|
||||
print draw_mandelbrot()::cam
|
||||
print draw_mandelbrot()::cam
|
||||
set draw_mandelbrot()::cam = {
|
||||
min_r = 0,
|
||||
min_i = 0,
|
||||
max_r = 0,
|
||||
max_i = 0
|
||||
}
|
||||
set draw_mandelbrot()::cam = {0, 0, 0, 0}
|
||||
set draw_mandelbrot()::cam = {0, 1, 2, 3}
|
||||
print draw_mandelbrot()::cam
|
||||
bruh
|
||||
print $bruh
|
||||
set draw_mandelbrot()::cam = bruh
|
||||
set draw_mandelbrot()::cam = $bruh
|
||||
set bruh = draw_mandelbrot()::cam
|
||||
set $bruh = draw_mandelbrot()::cam
|
||||
print $bruh
|
||||
set draw_mandelbrot()::cam = $bruh
|
||||
bruh = { asdf = 0 }
|
||||
set $bruh = { asdf = 0 }
|
||||
set $bruh = { min_r = 0 }
|
||||
print bruh
|
||||
print bruh
|
||||
print $bruh
|
||||
bruh.min_r
|
||||
set $bruh.min_r = 1
|
||||
set #bruh
|
||||
print $bruh
|
||||
set draw_mandelbrot()::cam = $bruh
|
||||
print draw_mandelbrot()::cam
|
||||
print $bruh[0]
|
||||
print $bruh
|
||||
set $bruh = {$bruh, $bruh}
|
||||
bruh
|
||||
print $bruh
|
||||
print $bruh[0]
|
||||
print $bruh[1]
|
||||
load
|
||||
c
|
||||
c
|
||||
print draw_mandelbrot()::cam
|
||||
set $asdf = {
|
||||
min_r = -1,
|
||||
min_i = -0.5,
|
||||
max_r = 1,
|
||||
max_i = 0.5
|
||||
}
|
||||
set $bruh = {
|
||||
min_r = -1,
|
||||
min_i = -0.5,
|
||||
max_r = 1,
|
||||
max_i = 0.5
|
||||
}
|
||||
set $bruh[0] = {
|
||||
min_r = -1,
|
||||
min_i = -0.5,
|
||||
max_r = 1,
|
||||
max_i = 0.5
|
||||
}
|
||||
set $bruh[0] = {
|
||||
.min_r = -1,
|
||||
min_i = -0.5,
|
||||
max_r = 1,
|
||||
max_i = 0.5
|
||||
}
|
||||
print camera
|
||||
print *cam
|
||||
print draw_mandelbrot()::cam
|
||||
c
|
||||
quit
|
||||
d
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
load
|
||||
c
|
||||
print *cam
|
||||
print draw_mandelbrot()::cam
|
||||
x
|
||||
c
|
||||
print draw_mandelbrot()::cam
|
||||
c
|
||||
load
|
||||
c
|
||||
print draw_mandelbrot()::cam
|
||||
printf "%1.20f\n" draw_mandelbrot()::cam
|
||||
printf "%1.20f\n", draw_mandelbrot()::cam.min_i
|
||||
printf "%1.20f\n", draw_mandelbrot()::cam.max_r
|
||||
print 3
|
||||
print -1.4054856689592869e-05
|
||||
for
|
||||
while
|
||||
exit
|
||||
quit
|
||||
len(vi
|
||||
len(vi)
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
command render_mandelbrot(0xff)
|
||||
c
|
||||
command render_mandelbrot(0xff)
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
print render_mandelbrot
|
||||
quit
|
||||
quit
|
||||
c
|
||||
set draw_mandelbrot()::view_mode 0
|
||||
set draw_mandelbrot()::view_mode = 0
|
||||
quit
|
||||
quit
|
||||
load
|
||||
c
|
||||
quit
|
||||
c
|
||||
c
|
||||
quit
|
||||
disp benchmark_stop:time
|
||||
disp benchmark_stop.time
|
||||
disp benchmark_stop()::time
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
exit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
c
|
||||
c
|
||||
load
|
||||
quit
|
||||
c
|
||||
load
|
||||
load
|
||||
exit
|
||||
load
|
||||
c
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
load
|
||||
c
|
||||
b mandelbrot.c:102
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
load
|
||||
c
|
||||
quit
|
||||
info b
|
||||
b render_mandelbrot
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
quit
|
||||
b render_mandelbrot
|
||||
c
|
||||
context
|
||||
next
|
||||
context
|
||||
p sizeof(bool)
|
||||
p sizeof(uint16_t)
|
||||
context
|
||||
print bruh
|
||||
print &bruh
|
||||
print &framebuffer
|
||||
context
|
||||
f 1
|
||||
print &framebuffer
|
||||
context
|
||||
p &view_mode
|
||||
print bottom_buffered
|
||||
print &bottom_buffered
|
||||
print &bottom_buffered
|
||||
print &view_mode
|
||||
f 0
|
||||
print bruh
|
||||
print &bruh
|
||||
print &bruh
|
||||
exit
|
||||
load
|
||||
quit
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
b render_mandelbrot
|
||||
c
|
||||
c
|
||||
d
|
||||
b 80012d0
|
||||
b 0x80012d0
|
||||
b *0x80012d0
|
||||
c
|
||||
next
|
||||
reg
|
||||
p _sbss
|
||||
p (uintptr_32)_sbss
|
||||
p/x_sbss
|
||||
p/x _sbss
|
||||
p (void *)_sbss
|
||||
p (void)_sbss
|
||||
p (void *)&_sbss
|
||||
p (void *)&__bss_start__
|
||||
p sp
|
||||
reg
|
||||
n
|
||||
print borders
|
||||
n
|
||||
print nei_dir
|
||||
n
|
||||
n
|
||||
print nei_dir
|
||||
print this_index
|
||||
print pixels[this_index]
|
||||
print framebuffer[this_index]
|
||||
print framebuffer[this_index] & G_MASK
|
||||
print framebuffer[this_index+1] & G_MASK
|
||||
next
|
||||
print gchan_info
|
||||
next
|
||||
print i
|
||||
print this_coord
|
||||
print get_neighbor_coord(this_coord, nei_dir, scale)
|
||||
print FIXED_TO_DOUBLE(this_coord.r)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, nei_dir, scale))
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, nei_dir, scale).r)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 0, scale).r)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 0, scale).r) 1
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 0, scale).r), 1
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 0, scale).r)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 1, scale).r)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 2, scale).r)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 3, scale).r)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 4, scale).r)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 5, scale).r)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 6, scale).r)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 7, scale).r)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 0, scale).i)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 1, scale).i)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 2, scale).i)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 3, scale).i)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 4, scale).i)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 5, scale).i)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 6, scale).i)
|
||||
print FIXED_TO_DOUBLE(get_neighbor_coord(this_coord, 7, scale).i)
|
||||
print FIXED_TO_DOUBLE(this_coord.i)
|
||||
c
|
||||
c
|
||||
quit
|
||||
c
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
c
|
||||
quit
|
||||
quit
|
||||
c
|
||||
c
|
||||
quit
|
||||
next
|
||||
qiot
|
||||
quit
|
||||
c
|
||||
quit
|
||||
quit
|
||||
c
|
||||
c
|
||||
f 2
|
||||
context
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
'c
|
||||
c
|
||||
c
|
||||
quit
|
||||
c
|
||||
HAL_GPIO_TogglePin
|
||||
print HAL_GPIO_TogglePin()
|
||||
b idle
|
||||
c
|
||||
print HAL_GPIO_TogglePin()
|
||||
quit
|
||||
c
|
||||
c
|
||||
quit
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
b idle
|
||||
c
|
||||
next
|
||||
print charging_bat
|
||||
print charging_bat()
|
||||
print charging_batt()
|
||||
b charging_batt
|
||||
c
|
||||
print HAL_GPIO_ReadPin(GPIO_EXTI_REG, CHARGING_PIN)
|
||||
print ~HAL_GPIO_ReadPin(GPIO_EXTI_REG, CHARGING_PIN)
|
||||
print ~(HAL_GPIO_ReadPin(GPIO_EXTI_REG, CHARGING_PIN))
|
||||
print !(HAL_GPIO_ReadPin(GPIO_EXTI_REG, CHARGING_PIN))
|
||||
print (HAL_GPIO_ReadPin(GPIO_EXTI_REG, CHARGING_PIN))
|
||||
print GPIO_PIN_SET
|
||||
ptype GPIO_PIN_SET
|
||||
quit
|
||||
print HAL_GPIO_ReadPin(GPIO_EXTI_REG, CHARGING_PIN)
|
||||
b charging_batt
|
||||
c
|
||||
step
|
||||
quit
|
||||
b idle
|
||||
c
|
||||
next
|
||||
print charing_batt()
|
||||
print charging_batt()
|
||||
print event_peek()
|
||||
next
|
||||
next
|
||||
c
|
||||
next
|
||||
next
|
||||
next
|
||||
b idle
|
||||
d
|
||||
c
|
||||
b idle
|
||||
c
|
||||
next
|
||||
print event_peek
|
||||
print event_peek()
|
||||
print ST7735_wake()
|
||||
b ST7735_wake
|
||||
c
|
||||
c
|
||||
next
|
||||
next
|
||||
next
|
||||
c
|
||||
next
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
b idle.c:23
|
||||
c
|
||||
c
|
||||
quit
|
||||
c
|
||||
c
|
||||
c
|
||||
print ST7735_sleep()
|
||||
c
|
||||
print ST7735_wake()
|
||||
quit
|
||||
b main
|
||||
c
|
||||
next
|
||||
print ST7735_sleep()
|
||||
print ST7735_wake()
|
||||
exit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
next
|
||||
quit
|
||||
c
|
||||
print on_pixel
|
||||
next
|
||||
quit
|
||||
c
|
||||
next
|
||||
quit
|
||||
quit
|
||||
c
|
||||
print y
|
||||
print x
|
||||
next
|
||||
next
|
||||
print framebuffer[on_pixel] & G_MASK
|
||||
print framebuffer[on_pixel]
|
||||
print framebuffer[on_pixel] & ~G_MASK
|
||||
quit
|
||||
c
|
||||
c
|
||||
quit
|
||||
c
|
||||
c
|
||||
quit
|
||||
c
|
||||
next
|
||||
next
|
||||
quit
|
||||
quit
|
||||
c
|
||||
c
|
||||
step
|
||||
print on_pixel
|
||||
quit
|
||||
c
|
||||
next
|
||||
print border
|
||||
print borders
|
||||
next
|
||||
print iterate(this_coord)
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
print framebuffer[this_index]
|
||||
print framebuffer[this_index] & GCHAN
|
||||
print framebuffer[this_index] & G_MASK
|
||||
print framebuffer[nei_i] & G_MASK
|
||||
print nei_i
|
||||
print framebuffer[nei_i] & G_MASK
|
||||
next
|
||||
print i
|
||||
print colorscheme[i]
|
||||
print ITERS
|
||||
quit
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
quit
|
||||
quit
|
||||
|
||||
24
program/stm32f1_buisnesscard_v1/Core/Inc/gpio.h
Normal file
24
program/stm32f1_buisnesscard_v1/Core/Inc/gpio.h
Normal file
@ -0,0 +1,24 @@
|
||||
#pragma once
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include "stm32f1xx_hal.h"
|
||||
|
||||
/** all external interupts will be on GPIOB due to hardware layout and software convinience
|
||||
TODO move to gpio.h or somethin
|
||||
**/
|
||||
|
||||
#define GPIO_EXTI_REG GPIOB
|
||||
#define BUTTON_UP GPIO_PIN_3
|
||||
#define BUTTON_RIGHT GPIO_PIN_2
|
||||
#define BUTTON_DOWN GPIO_PIN_0
|
||||
#define BUTTON_LEFT GPIO_PIN_1
|
||||
#define BUTTON_A GPIO_PIN_13
|
||||
#define BUTTON_B GPIO_PIN_14
|
||||
#define CHARGING_PIN GPIO_PIN_12
|
||||
#define EVENT_NONE 0
|
||||
|
||||
extern int button;
|
||||
void HAL_GPIO_EXTI_Callback(uint16_t pin);
|
||||
int event_get();
|
||||
int event_peek();
|
||||
bool charging_batt();
|
||||
2
program/stm32f1_buisnesscard_v1/Core/Inc/idle.h
Normal file
2
program/stm32f1_buisnesscard_v1/Core/Inc/idle.h
Normal file
@ -0,0 +1,2 @@
|
||||
#pragma once
|
||||
void idle();
|
||||
@ -35,7 +35,8 @@ extern "C" {
|
||||
|
||||
/* Exported types ------------------------------------------------------------*/
|
||||
/* USER CODE BEGIN ET */
|
||||
|
||||
void SystemClock_Config();
|
||||
extern TIM_HandleTypeDef htim2;
|
||||
/* USER CODE END ET */
|
||||
|
||||
/* Exported constants --------------------------------------------------------*/
|
||||
@ -58,13 +59,6 @@ void Error_Handler(void);
|
||||
/* Private defines -----------------------------------------------------------*/
|
||||
|
||||
/* USER CODE BEGIN Private defines */
|
||||
#define GPIO_BUTTON_REG GPIOB
|
||||
#define BUTTON_UP GPIO_PIN_3
|
||||
#define BUTTON_RIGHT GPIO_PIN_2
|
||||
#define BUTTON_DOWN GPIO_PIN_0
|
||||
#define BUTTON_LEFT GPIO_PIN_1
|
||||
#define BUTTON_A GPIO_PIN_13
|
||||
#define BUTTON_B GPIO_PIN_14
|
||||
|
||||
|
||||
/* USER CODE END Private defines */
|
||||
|
||||
@ -1,11 +1,3 @@
|
||||
#pragma once
|
||||
|
||||
extern int state;
|
||||
enum states {
|
||||
MANDELBROT,
|
||||
BURNINGSHIP,
|
||||
SCREENSAVER,
|
||||
HELP,
|
||||
};
|
||||
|
||||
void draw_mandelbrot(int key_pressed);
|
||||
void draw_mandelbrot();
|
||||
|
||||
@ -27,6 +27,9 @@ extern SPI_HandleTypeDef ST7735_SPI_PORT;
|
||||
#define ST7735_DC_Pin GPIO_PIN_0 //data command pin - RS on datasheet
|
||||
#define ST7735_DC_GPIO_Port GPIOB
|
||||
|
||||
#define BACKLIGHT_PORT GPIOB
|
||||
#define BACKLIGHT_PIN GPIO_PIN_15
|
||||
|
||||
// AliExpress/eBay 1.8" display, default orientation
|
||||
/*
|
||||
#define ST7735_IS_160X128 1
|
||||
|
||||
@ -14,3 +14,7 @@ void benchmark_stop() {
|
||||
__NOP();
|
||||
// __BKPT();
|
||||
}
|
||||
|
||||
void benchmark() {
|
||||
|
||||
}
|
||||
|
||||
16
program/stm32f1_buisnesscard_v1/Core/Src/gpio.c
Normal file
16
program/stm32f1_buisnesscard_v1/Core/Src/gpio.c
Normal file
@ -0,0 +1,16 @@
|
||||
#include "gpio.h"
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
int gpio_event = EVENT_NONE;
|
||||
void HAL_GPIO_EXTI_Callback(uint16_t pin) { gpio_event = pin; }
|
||||
int event_get() {
|
||||
int event = gpio_event;
|
||||
gpio_event = EVENT_NONE;
|
||||
return event;
|
||||
}
|
||||
|
||||
int event_peek() { return gpio_event; }
|
||||
|
||||
bool charging_batt() { return !HAL_GPIO_ReadPin(GPIO_EXTI_REG, CHARGING_PIN); }
|
||||
//bool charging_batt() { return ~HAL_GPIO_ReadPin(GPIO_EXTI_REG, CHARGING_PIN); }
|
||||
33
program/stm32f1_buisnesscard_v1/Core/Src/idle.c
Normal file
33
program/stm32f1_buisnesscard_v1/Core/Src/idle.c
Normal file
@ -0,0 +1,33 @@
|
||||
#include "stm32f1xx_hal.h"
|
||||
#include "st7735.h"
|
||||
#include "gpio.h"
|
||||
#include "idle.h"
|
||||
#include "main.h"
|
||||
|
||||
|
||||
void idle() {
|
||||
while(charging_batt() && (event_peek() == EVENT_NONE)) {
|
||||
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
|
||||
}
|
||||
if(!charging_batt() && (event_peek() == EVENT_NONE)) {
|
||||
HAL_TIM_Base_Stop_IT(&htim2);
|
||||
HAL_SuspendTick();
|
||||
__HAL_TIM_SET_COUNTER(&htim2, 0);
|
||||
HAL_TIM_Base_Start_IT(&htim2);
|
||||
//in this power state we still recieve timer interrupts
|
||||
HAL_PWR_EnterSLEEPMode(PWR_LOWPOWERREGULATOR_ON, PWR_SLEEPENTRY_WFI); //TODO ajust time
|
||||
}
|
||||
|
||||
SystemClock_Config();
|
||||
HAL_ResumeTick();
|
||||
|
||||
if(!charging_batt() && (event_peek() == EVENT_NONE)) {
|
||||
ST7735_sleep();
|
||||
HAL_SuspendTick();
|
||||
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
|
||||
SystemClock_Config();
|
||||
HAL_ResumeTick();
|
||||
ST7735_wake();
|
||||
event_get();
|
||||
}
|
||||
}
|
||||
@ -25,6 +25,7 @@
|
||||
#include "st7735.h"
|
||||
#include "mandelbrot.h"
|
||||
#include "benchmark.h"
|
||||
#include "stm32f1xx_it.h"
|
||||
//#include "mandelbrot.h"
|
||||
|
||||
/* USER CODE END Includes */
|
||||
@ -81,10 +82,6 @@ void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef* htim) {
|
||||
int button_pressed = 0;
|
||||
bool button_event;
|
||||
|
||||
void HAL_GPIO_EXTI_Callback(uint16_t pin) {
|
||||
button_event = true;
|
||||
button_pressed = pin;
|
||||
}
|
||||
/* USER CODE END 0 */
|
||||
|
||||
/**
|
||||
@ -103,7 +100,7 @@ int main(void)
|
||||
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
|
||||
HAL_Init();
|
||||
|
||||
/* USE CODE BEGIN Init */
|
||||
/* USER CODE BEGIN Init */
|
||||
|
||||
/* USER CODE END Init */
|
||||
|
||||
@ -122,39 +119,15 @@ int main(void)
|
||||
/* USER CODE BEGIN 2 */
|
||||
ST7735_Init();
|
||||
ST7735_InvertColors(false);
|
||||
//ST7735_FillScreenFast(ST7735_MAGENTA);
|
||||
ST7735_FillScreenFast(ST7735_BLUE);
|
||||
HAL_ResumeTick();
|
||||
/* USER CODE END 2 */
|
||||
|
||||
//HAL_GPIO_EXTI_Callback(0xff);
|
||||
draw_mandelbrot(button_pressed);
|
||||
BENCHMARK_INIT: //for benchmarking gdb script
|
||||
HAL_SuspendTick();
|
||||
HAL_PWR_EnterSLEEPMode(PWR_LOWPOWERREGULATOR_ON, PWR_SLEEPENTRY_WFI);
|
||||
|
||||
|
||||
|
||||
//we'll clean everything up later
|
||||
/* Infinite loop */
|
||||
/* USER CODE BEGIN WHILE */
|
||||
while (1)
|
||||
{
|
||||
//later we'll impliment menu
|
||||
if(button_event) {
|
||||
button_event = false;
|
||||
HAL_ResumeTick();
|
||||
draw_mandelbrot(button_pressed);
|
||||
HAL_TIM_Base_Stop_IT(&htim2);
|
||||
HAL_SuspendTick();
|
||||
__HAL_TIM_SET_COUNTER(&htim2, 0);
|
||||
HAL_TIM_Base_Start_IT(&htim2);
|
||||
HAL_PWR_EnterSLEEPMode(PWR_LOWPOWERREGULATOR_ON, PWR_SLEEPENTRY_WFI);
|
||||
HAL_ResumeTick();
|
||||
}
|
||||
else { //zzzzz
|
||||
//ST7735_sleep();
|
||||
HAL_SuspendTick();
|
||||
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
|
||||
SystemClock_Config();
|
||||
HAL_ResumeTick();
|
||||
ST7735_wake();
|
||||
}
|
||||
draw_mandelbrot();
|
||||
/* USER CODE END WHILE */
|
||||
|
||||
/* USER CODE BEGIN 3 */
|
||||
@ -346,6 +319,9 @@ static void MX_GPIO_Init(void)
|
||||
/*Configure GPIO pin Output Level */
|
||||
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2, GPIO_PIN_RESET);
|
||||
|
||||
/*Configure GPIO pin Output Level */
|
||||
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_15, GPIO_PIN_SET);
|
||||
|
||||
/*Configure GPIO pins : PA0 PA1 PA2 PA3 */
|
||||
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
|
||||
@ -359,12 +335,25 @@ static void MX_GPIO_Init(void)
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
|
||||
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
||||
|
||||
/*Configure GPIO pin : PB12 */
|
||||
GPIO_InitStruct.Pin = GPIO_PIN_12;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
|
||||
GPIO_InitStruct.Pull = GPIO_PULLUP;
|
||||
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
||||
|
||||
/*Configure GPIO pins : PB13 PB14 */
|
||||
GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
|
||||
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
|
||||
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
||||
|
||||
/*Configure GPIO pin : PB15 */
|
||||
GPIO_InitStruct.Pin = GPIO_PIN_15;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
||||
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
|
||||
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
||||
|
||||
/* EXTI interrupt init*/
|
||||
HAL_NVIC_SetPriority(EXTI0_IRQn, 0, 0);
|
||||
HAL_NVIC_EnableIRQ(EXTI0_IRQn);
|
||||
|
||||
@ -2,8 +2,9 @@
|
||||
#include <string.h>
|
||||
#include "mandelbrot.h"
|
||||
#include "st7735.h"
|
||||
#include "benchmark.h"
|
||||
#include "main.h"
|
||||
#include "gpio.h"
|
||||
#include "idle.h"
|
||||
|
||||
#define RES_X 160
|
||||
#define RES_Y 80
|
||||
@ -29,6 +30,8 @@
|
||||
#define G_BITS 6
|
||||
#define B_BITS 5
|
||||
|
||||
#define G_MASK 0xe007
|
||||
|
||||
//imaginary axis set automatically
|
||||
#define CAM_DEF_MIN_R -1
|
||||
#define CAM_DEF_MAX_R 1
|
||||
@ -41,21 +44,92 @@
|
||||
#define CAM_ZOOM_IN BUTTON_A
|
||||
#define CAM_ZOOM_OUT BUTTON_B
|
||||
|
||||
|
||||
#define BACKSTACK_SIZE 32
|
||||
#define GCHAN_UNRENDERED 0 //don't change; green channel zero'd on cam move
|
||||
#define GCHAN_BLOCKED (1 << 2) //interior element or visiteed
|
||||
#define GCHAN_INTERNAL (1 << 1) //part of set, 0x20
|
||||
#define GCHAN_EXTERNAL (1 << 0) //not part of set, 0x10
|
||||
|
||||
enum DIRECTIONS {
|
||||
N, NE, E, SE, S, SW, W, NW
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
int32_t r; int32_t i;
|
||||
} FixedCord;
|
||||
|
||||
struct camera {
|
||||
double min_r, min_i, max_r, max_i;
|
||||
};
|
||||
|
||||
struct window {
|
||||
unsigned int x0, y0, w, h;
|
||||
};
|
||||
|
||||
//C does remainder, not modulo.
|
||||
//TODO optimize for mod 8. Benchmark
|
||||
inline int mod(int n, int d) {
|
||||
int r = n % d;
|
||||
return (r < 0) ? r + d : r;
|
||||
}
|
||||
int mod(int n, int d);
|
||||
|
||||
|
||||
inline FixedCord get_neighbor_coord(FixedCord from_coord, int direction, FixedCord step) {
|
||||
if((direction == NW) || (direction < E)) from_coord.i += step.i; //up
|
||||
if((direction > N) && (direction < S)) from_coord.r += step.r; //right
|
||||
if((direction > E) && (direction < W)) from_coord.i -= step.i; //down
|
||||
if(direction > S) from_coord.r -= step.r; //left
|
||||
return from_coord;
|
||||
}
|
||||
FixedCord get_neighbor_coord(FixedCord from_coord, int direction, FixedCord step);
|
||||
|
||||
|
||||
size_t get_neighbor_index(size_t from_pixel, int direction, struct window win) {
|
||||
//TODO gross since window is no longer constant
|
||||
int neighbor_index_accl[8] =
|
||||
{-win.w, -win.w + 1, 1, win.w + 1, win.w, win.w - 1, -1, -win.w - 1};
|
||||
from_pixel += neighbor_index_accl[direction];
|
||||
return from_pixel;
|
||||
}
|
||||
|
||||
void detect_borders(bool borders[8], size_t i, struct window win) {
|
||||
//if this is too slow, it's easy to do it without the modulos.
|
||||
int index_mod = i % win.w;
|
||||
bzero(borders, sizeof(*borders) * 8);
|
||||
if((i + win.w) >= (win.w * win.h)) {
|
||||
for(int nei_dir = SE; nei_dir <= SW; nei_dir++)
|
||||
borders[nei_dir] = true;
|
||||
}
|
||||
else if(((int)(i - win.w)) < 0) {
|
||||
borders[NE] = true;
|
||||
borders[N] = true;
|
||||
borders[NW] = true;
|
||||
}
|
||||
if(index_mod == 0) {
|
||||
for(int nei_dir = SW; nei_dir <= NW; nei_dir++)
|
||||
borders[nei_dir] = true;
|
||||
}
|
||||
else if(index_mod == (win.w - 1)) {
|
||||
for(int nei_dir = NE; nei_dir <= SE; nei_dir++)
|
||||
borders[nei_dir] = true;
|
||||
}
|
||||
}
|
||||
|
||||
enum VIEW_MODES { VIEW_UNINIT, VIEW_MANDREL, VIEW_SHIP };
|
||||
|
||||
void init_colorscheme_mandrel(uint16_t *scheme) {
|
||||
void init_colorscheme(uint16_t *scheme) {
|
||||
uint16_t *tc = scheme;
|
||||
for(unsigned int i = 0; i < ITERS; i++) {
|
||||
if((i == 0) || (i == ITERS)) *tc = 0;
|
||||
else if(i < 128) *tc = (((((i - 64) << 2)+0x1f) & 0x1f) | (((((i - 128) << 1)+0x1f) & 0x1f) << (5+6)));
|
||||
for(unsigned int i = 0; i <= ITERS; i++) {
|
||||
if(i < 128) *tc = (((((i - 64) << 2)+0x1f) & 0x1f) | (((((i - 128) << 1)+0x1f) & 0x1f) << (5+6)));
|
||||
else *tc = (-2*(i - 128)+0x1f) & 0xff;
|
||||
*tc = (*tc << 8) | (*tc >> 8); //convert to little endian
|
||||
*tc &= ~0b111;
|
||||
tc++;
|
||||
}
|
||||
scheme[0] = 0;
|
||||
scheme[ITERS] = 0;
|
||||
}
|
||||
|
||||
void init_colorscheme_ship(uint16_t *scheme) {
|
||||
@ -85,10 +159,183 @@ void cam_zoom(struct camera *cam, double zoom) {
|
||||
cam->max_r -= r_scale;
|
||||
}
|
||||
|
||||
inline int __attribute__((always_inline)) iterate(FixedCord c) {
|
||||
int32_t z_i = 0;
|
||||
int32_t z_r = 0;
|
||||
int32_t z_r_2, z_i_2, zn_r, zn_i;
|
||||
for(int it = 0; it < ITERS; it++) {
|
||||
z_r_2 = FIXED_MULTIPLY(z_r, z_r);
|
||||
z_i_2 = FIXED_MULTIPLY(z_i, z_i);
|
||||
|
||||
//TODO look into border tracing; this is too slow. Change name
|
||||
//
|
||||
void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct camera cam, int x0, int y0, int w, int h) {
|
||||
zn_r = z_r_2 - z_i_2 + c.r;
|
||||
|
||||
//zn_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c.i;
|
||||
zn_i = (FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c.i;
|
||||
|
||||
z_i = zn_i;
|
||||
z_r = zn_r;
|
||||
|
||||
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) return it;
|
||||
}
|
||||
return ITERS;
|
||||
}
|
||||
|
||||
int iterate(FixedCord c);
|
||||
|
||||
unsigned int mandelbrot_bordertrace(uint16_t *framebuffer, uint16_t *colorscheme, struct camera cam, const struct window win) {
|
||||
unsigned int total_iters = 0;
|
||||
size_t on_pixel = 0;
|
||||
bool border_scanning = false;
|
||||
|
||||
FixedCord scale = {
|
||||
.r = DOUBLE_TO_FIXED((cam.max_r - cam.min_r) / (double)RES_X),
|
||||
.i = DOUBLE_TO_FIXED((cam.max_i - cam.min_i) / (double)RES_Y)
|
||||
};
|
||||
|
||||
FixedCord c = {
|
||||
.i = DOUBLE_TO_FIXED((((cam.max_i - cam.min_i) * (RES_Y - win.y0)) / RES_Y) + cam.min_i),
|
||||
.r = DOUBLE_TO_FIXED((((cam.max_r - cam.min_r) * win.x0) / RES_X) + cam.min_r)
|
||||
};
|
||||
|
||||
|
||||
uint64_t r0 = c.r;
|
||||
|
||||
|
||||
for(int y = win.y0; y < (win.y0 + win.h); y++) {
|
||||
border_scanning = false;
|
||||
c.r = r0;
|
||||
for(int x = win.x0; x < (win.x0 + win.w); x++) {
|
||||
if(framebuffer[on_pixel] & G_MASK) {
|
||||
border_scanning = false;
|
||||
framebuffer[on_pixel] &= G_MASK;
|
||||
}
|
||||
else if(border_scanning) { framebuffer[on_pixel] &= G_MASK; }
|
||||
else {
|
||||
int i = iterate(c);
|
||||
total_iters += i;
|
||||
framebuffer[on_pixel] = colorscheme[i];
|
||||
if(i == ITERS) {
|
||||
FixedCord this_coord = c;
|
||||
size_t this_index = on_pixel;
|
||||
bool seperated_from_start = false;
|
||||
bool nei_canidate[8];
|
||||
int nei_presort[8];
|
||||
|
||||
size_t backstack[BACKSTACK_SIZE];
|
||||
int backstack_i = 0;
|
||||
int backstack_calls = 0;
|
||||
|
||||
int nei_dir;
|
||||
|
||||
|
||||
bool borders[8];
|
||||
detect_borders(borders, this_index, win);
|
||||
//interior check
|
||||
for(nei_dir = 0; nei_dir < 8; nei_dir++) {
|
||||
if(borders[nei_dir] || (framebuffer[get_neighbor_index(on_pixel, nei_dir, win)] & GCHAN_EXTERNAL)) break;
|
||||
}
|
||||
|
||||
|
||||
|
||||
if(nei_dir < 8) {
|
||||
while(true) {
|
||||
bzero(nei_presort, sizeof(nei_presort));
|
||||
bzero(nei_canidate, sizeof(nei_canidate));
|
||||
detect_borders(borders, this_index, win);
|
||||
|
||||
//step 1: check pixels around us, fill in neighbors.
|
||||
|
||||
/** now fill in neighbor info based on green channel,
|
||||
* iterate if no info available.
|
||||
* if this is to slow we could flatten this; it's predictable
|
||||
* where there will be info
|
||||
**/
|
||||
bool start_is_nei = false;
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir++) {
|
||||
size_t nei_i;
|
||||
uint8_t gchan_info;
|
||||
|
||||
//happens if we're pushed against the screen
|
||||
if(borders[nei_dir]) {
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
continue;
|
||||
}
|
||||
|
||||
nei_i = get_neighbor_index(this_index, nei_dir, win);
|
||||
gchan_info = framebuffer[nei_i] & G_MASK;
|
||||
if(nei_i == on_pixel) start_is_nei = true;
|
||||
if(gchan_info) nei_presort[nei_dir] = gchan_info;
|
||||
else {
|
||||
int i = iterate(get_neighbor_coord(this_coord, nei_dir, scale));
|
||||
framebuffer[nei_i] = colorscheme[i];
|
||||
nei_presort[nei_dir] =
|
||||
(i >= ITERS) ? GCHAN_INTERNAL : GCHAN_EXTERNAL;
|
||||
framebuffer[nei_i] |= nei_presort[nei_dir];
|
||||
}
|
||||
}
|
||||
if(!start_is_nei && !seperated_from_start && (this_index != on_pixel)) seperated_from_start = true;
|
||||
if(start_is_nei && seperated_from_start) {
|
||||
framebuffer[this_index] |= GCHAN_BLOCKED;
|
||||
break;
|
||||
}
|
||||
|
||||
int edge_cnt = 0;
|
||||
//see what neighbors are good canidates for the next pixel in our path
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir += 2) {
|
||||
int nei_edge_i;
|
||||
if(nei_presort[nei_dir] != GCHAN_INTERNAL) {
|
||||
continue;
|
||||
}
|
||||
|
||||
for(nei_edge_i = -2; nei_edge_i <= 2; nei_edge_i++) {
|
||||
int nei_edge_mod = mod((nei_dir + nei_edge_i), 8);
|
||||
if((nei_presort[nei_edge_mod] == GCHAN_EXTERNAL) || borders[nei_edge_mod]) break;
|
||||
}
|
||||
|
||||
//no edge found
|
||||
if(nei_edge_i > 2) continue;
|
||||
|
||||
//narrow bridge scenario
|
||||
if(nei_presort[mod((nei_dir + 1), 8)] & nei_presort[mod((nei_dir - 1), 8)] & GCHAN_EXTERNAL)
|
||||
continue;
|
||||
|
||||
edge_cnt++;
|
||||
nei_canidate[nei_dir] = true;
|
||||
}
|
||||
if(edge_cnt >= 2) backstack[backstack_i++ % BACKSTACK_SIZE] = this_index;
|
||||
|
||||
//now go to canidate with lowest prioraty
|
||||
framebuffer[this_index] |= GCHAN_BLOCKED;
|
||||
for(nei_dir = 0; nei_dir < 8; nei_dir += 2) {
|
||||
if(!nei_canidate[nei_dir]) continue;
|
||||
backstack_calls = 0;
|
||||
this_index = get_neighbor_index(this_index, nei_dir, win);
|
||||
this_coord = get_neighbor_coord(this_coord, nei_dir, scale);
|
||||
break;
|
||||
}
|
||||
if(nei_dir >= 8) {
|
||||
if((backstack_calls++ > BACKSTACK_SIZE) || (backstack_i < 1)) break;
|
||||
this_index = backstack[--backstack_i % BACKSTACK_SIZE];
|
||||
this_coord.r = DOUBLE_TO_FIXED(((((this_index % win.w) + win.x0) / (double)RES_X) * (cam.max_r - cam.min_r)) + cam.min_r);
|
||||
this_coord.i = DOUBLE_TO_FIXED(((((this_index / (double)win.w) + win.y0) / (double)RES_Y) * (cam.min_i - cam.max_i)) + cam.max_i);
|
||||
}
|
||||
}
|
||||
}
|
||||
else border_scanning = true;
|
||||
}
|
||||
else framebuffer[on_pixel] |= GCHAN_EXTERNAL;
|
||||
}
|
||||
on_pixel++;
|
||||
c.r += scale.r;
|
||||
}
|
||||
c.i -= scale.i;
|
||||
}
|
||||
for(size_t i = 0; i < (win.w * win.h); i++) framebuffer[i] &= ~G_MASK;
|
||||
return total_iters;
|
||||
}
|
||||
|
||||
//TODO rename
|
||||
unsigned int render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct camera cam, int x0, int y0, int w, int h) {
|
||||
int32_t scale_i = DOUBLE_TO_FIXED((cam.max_i - cam.min_i) / (double)RES_Y);
|
||||
int32_t scale_r = DOUBLE_TO_FIXED((cam.max_r - cam.min_r) / (double)RES_X);
|
||||
int32_t c_i = DOUBLE_TO_FIXED((((cam.max_i - cam.min_i) * (RES_Y - y0)) / RES_Y) + cam.min_i);
|
||||
@ -96,17 +343,7 @@ void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct came
|
||||
int32_t c_r, z_i, z_r, zn_r, z_r_2, z_i_2;
|
||||
size_t fb_index = 0;
|
||||
int i;
|
||||
|
||||
/**
|
||||
bool bruh[RES_X * (RES_Y/2)];
|
||||
for(size_t i = 0; i < sizeof(bruh) / sizeof(bruh[0]); i++) {
|
||||
bruh[i] = i % 1;
|
||||
}
|
||||
for(size_t i = sizeof(bruh) / sizeof(bruh[0]); i > 0; i--) {
|
||||
framebuffer[i] = bruh[i];
|
||||
}
|
||||
**/
|
||||
|
||||
unsigned int total_iters = 0;
|
||||
|
||||
for(int y = y0; y < y0 + h; y++) {
|
||||
c_r = c_r0;
|
||||
@ -125,106 +362,98 @@ void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct came
|
||||
|
||||
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) break;
|
||||
}
|
||||
total_iters += i;
|
||||
framebuffer[fb_index++] = colorscheme[i];
|
||||
c_r += scale_r;
|
||||
}
|
||||
c_i -= scale_i;
|
||||
}
|
||||
return total_iters;
|
||||
}
|
||||
|
||||
|
||||
|
||||
#define FB_SIZE_X RES_X
|
||||
#define FB_SIZE_Y RES_Y/2
|
||||
#define FB_SIZE_X RES_X/2
|
||||
#define FB_SIZE_Y RES_Y
|
||||
|
||||
//TODO rename
|
||||
void draw_mandelbrot(int key_pressed) {
|
||||
static uint16_t framebuffer[FB_SIZE_X * FB_SIZE_Y];
|
||||
uint16_t columnbuffer[8*RES_Y];
|
||||
static bool bottom_buffered = true;
|
||||
void draw_mandelbrot() {
|
||||
uint16_t framebuffer[FB_SIZE_X * FB_SIZE_Y];
|
||||
uint16_t columnbuffer[(size_t)(STEP_SIZE * RES_X * RES_Y)];
|
||||
uint16_t left_line = 0;
|
||||
//program flow is awful atm becuase I was planning something different; will be improved soon.
|
||||
/**
|
||||
static struct camera cam = {
|
||||
.min_r = CAM_DEF_MIN_R,
|
||||
.max_r = CAM_DEF_MAX_R,
|
||||
.min_i = ((double)RES_Y / RES_X) * CAM_DEF_MIN_R,
|
||||
.max_i = ((double)RES_Y / RES_X) * CAM_DEF_MAX_R,
|
||||
};
|
||||
static int view_mode = VIEW_UNINIT;
|
||||
static uint16_t colorscheme[ITERS];
|
||||
**/
|
||||
|
||||
struct camera cam = {
|
||||
.min_r = 1.511138965827779623297, .min_i = -0.000099833545397436595, .max_r = 1.513299500557251375810, .max_i = 0.000980433819429512915
|
||||
};
|
||||
uint16_t colorscheme[ITERS + 1];
|
||||
|
||||
|
||||
|
||||
//yes, I know the following is disgusting. Before I clean it, I just wanna get the general idea out,
|
||||
//it's more efficient in that order
|
||||
//TODO once you get your idea ironed out, clean the code and improve the flow
|
||||
benchmark_start();
|
||||
if(view_mode == VIEW_UNINIT) {
|
||||
view_mode = VIEW_MANDREL;
|
||||
init_colorscheme_mandrel(colorscheme);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, 0, RES_X, RES_Y/2);
|
||||
ST7735_DrawImage(0, 0, RES_X, (RES_Y / 2), framebuffer);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, RES_Y/2, RES_X, RES_Y/2);
|
||||
ST7735_DrawImage(0, (RES_Y / 2), RES_X, (RES_Y / 2), framebuffer);
|
||||
bottom_buffered = true;
|
||||
}
|
||||
else {
|
||||
const int y_offset = STEP_SIZE * RES_Y;
|
||||
/** yes, I know the following is disgusting. Before I clean it, I just wanna get the general idea out,
|
||||
it's more efficient in that order
|
||||
TODO once you get your idea ironed out, clean code **/
|
||||
|
||||
init_colorscheme(colorscheme);
|
||||
bzero(framebuffer, sizeof(framebuffer));
|
||||
bzero(columnbuffer, sizeof(columnbuffer));
|
||||
|
||||
while(true) {
|
||||
const int y_offset = STEP_SIZE * FB_SIZE_Y;
|
||||
const int x_offset = STEP_SIZE * RES_X;
|
||||
const size_t bottom_space = RES_X * ((RES_Y/2) - y_offset) * sizeof(uint16_t);
|
||||
uint16_t top_line = bottom_buffered ? (RES_Y/2) : 0;
|
||||
switch(key_pressed) {
|
||||
const size_t top_space = FB_SIZE_X * (FB_SIZE_Y - y_offset) * sizeof(uint16_t);
|
||||
left_line = left_line ? (RES_X/2) : 0;
|
||||
switch(event_get()) {
|
||||
case BUTTON_UP:
|
||||
cam_shift(&cam, 0, STEP_SIZE);
|
||||
memmove(framebuffer + (RES_X * y_offset), framebuffer, bottom_space);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, y_offset);
|
||||
memmove(framebuffer + (FB_SIZE_X * y_offset), framebuffer, top_space);
|
||||
mandelbrot_bordertrace(framebuffer, colorscheme, cam, (struct window){left_line, 0, FB_SIZE_X, y_offset});
|
||||
break;
|
||||
case BUTTON_DOWN:
|
||||
uint16_t bottom_line = (bottom_buffered ? RES_Y : (RES_Y/2)) - y_offset;
|
||||
cam_shift(&cam, 0, -STEP_SIZE);
|
||||
memmove(framebuffer, framebuffer + (RES_X * y_offset), bottom_space);
|
||||
render_mandelbrot(framebuffer + (RES_X*((RES_Y/2)-y_offset)), colorscheme, cam, 0, bottom_line, RES_X, y_offset);
|
||||
memmove(framebuffer, framebuffer + (FB_SIZE_X * y_offset), top_space);
|
||||
mandelbrot_bordertrace(framebuffer + (FB_SIZE_X * (FB_SIZE_Y - y_offset)), colorscheme, cam, (struct window){left_line, (RES_Y - y_offset), FB_SIZE_X, y_offset});
|
||||
break;
|
||||
case BUTTON_RIGHT:
|
||||
cam_shift(&cam, STEP_SIZE, 0);
|
||||
render_mandelbrot(columnbuffer, colorscheme, cam, RES_X - x_offset, top_line, x_offset, RES_Y/2);
|
||||
for(uint16_t y = 0; y < RES_Y/2; y++) {
|
||||
memmove(framebuffer + (RES_X * y), framebuffer + (RES_X * y) + x_offset, (RES_X - x_offset) * sizeof(*framebuffer));
|
||||
memmove(framebuffer + (RES_X * y) + (RES_X - x_offset), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
|
||||
mandelbrot_bordertrace(columnbuffer, colorscheme, cam, (struct window){left_line + (FB_SIZE_X - x_offset), 0, x_offset, FB_SIZE_Y});
|
||||
for(uint16_t y = 0; y < FB_SIZE_Y; y++) {
|
||||
memmove(framebuffer + (FB_SIZE_X * y), framebuffer + (FB_SIZE_X * y) + x_offset, (FB_SIZE_X - x_offset) * sizeof(*framebuffer));
|
||||
memmove(framebuffer + (FB_SIZE_X * y) + (FB_SIZE_X - x_offset), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
|
||||
}
|
||||
break;
|
||||
case BUTTON_LEFT:
|
||||
cam_shift(&cam, -STEP_SIZE, 0);
|
||||
render_mandelbrot(columnbuffer, colorscheme, cam, 0, top_line, x_offset, RES_Y/2);
|
||||
for(uint16_t y = 0; y < RES_Y/2; y++) {
|
||||
memmove(framebuffer + (RES_X * y) + x_offset, framebuffer + (RES_X * y), (RES_X - x_offset) * sizeof(*framebuffer));
|
||||
memmove(framebuffer + (RES_X * y), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
|
||||
mandelbrot_bordertrace(columnbuffer, colorscheme, cam, (struct window){left_line, 0, x_offset, FB_SIZE_Y});
|
||||
for(uint16_t y = 0; y < FB_SIZE_Y; y++) {
|
||||
memmove(framebuffer + (FB_SIZE_X * y) + x_offset, framebuffer + (FB_SIZE_X * y), (FB_SIZE_X - x_offset) * sizeof(*framebuffer));
|
||||
memmove(framebuffer + (FB_SIZE_X * y), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
|
||||
}
|
||||
break;
|
||||
case BUTTON_A:
|
||||
cam_zoom(&cam, ZOOM_SIZE);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
|
||||
mandelbrot_bordertrace(framebuffer, colorscheme, cam, (struct window){left_line, 0, FB_SIZE_X, FB_SIZE_Y});
|
||||
break;
|
||||
case BUTTON_B:
|
||||
cam_zoom(&cam, -ZOOM_SIZE);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
|
||||
mandelbrot_bordertrace(framebuffer, colorscheme, cam, (struct window){left_line, 0, FB_SIZE_X, FB_SIZE_Y});
|
||||
break;
|
||||
default:
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
|
||||
mandelbrot_bordertrace(framebuffer, colorscheme, cam, (struct window){left_line, 0, FB_SIZE_X, FB_SIZE_Y});
|
||||
}
|
||||
ST7735_DrawImage(0, top_line, RES_X, (RES_Y/2), framebuffer);
|
||||
ST7735_DrawImage(left_line, 0, FB_SIZE_X, FB_SIZE_Y, framebuffer);
|
||||
|
||||
bottom_buffered = !bottom_buffered;
|
||||
top_line = bottom_buffered ? (RES_Y/2) : 0;
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
|
||||
ST7735_DrawImage(0, top_line, RES_X, (RES_Y/2), framebuffer);
|
||||
left_line = left_line ? 0 : FB_SIZE_X;
|
||||
mandelbrot_bordertrace(framebuffer, colorscheme, cam, (struct window){left_line, 0, FB_SIZE_X, FB_SIZE_Y});
|
||||
ST7735_DrawImage(left_line, 0, FB_SIZE_X, FB_SIZE_Y, framebuffer);
|
||||
idle();
|
||||
}
|
||||
benchmark_stop();
|
||||
|
||||
/**
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, false, key_pressed);
|
||||
ST7735_DrawImage(0, 0, ST7735_WIDTH, (ST7735_HEIGHT / 2), framebuffer);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, true, key_pressed);
|
||||
ST7735_DrawImage(0, (ST7735_HEIGHT / 2), ST7735_WIDTH, (ST7735_HEIGHT / 2), framebuffer);
|
||||
**/
|
||||
// ST7735_DrawImage(0, 0, ST7735_WIDTH - 1, ST7735_HEIGHT - 1, (uint16_t *)0x80000000);
|
||||
}
|
||||
|
||||
@ -7,6 +7,7 @@
|
||||
#include "malloc.h"
|
||||
#include "stm32f1xx_hal_spi.h"
|
||||
#include "string.h"
|
||||
#include "gpio.h"
|
||||
|
||||
#define DELAY 0x80
|
||||
|
||||
@ -314,6 +315,7 @@ void ST7735_sleep() {
|
||||
ST7735_Select();
|
||||
ST7735_WriteCommand(ST7735_SLPIN);
|
||||
ST7735_Unselect();
|
||||
HAL_GPIO_WritePin(BACKLIGHT_PORT, BACKLIGHT_PIN, GPIO_PIN_RESET);
|
||||
HAL_Delay(200);
|
||||
}
|
||||
|
||||
@ -322,5 +324,6 @@ void ST7735_wake() {
|
||||
ST7735_Select();
|
||||
ST7735_WriteCommand(ST7735_SLPOUT);
|
||||
ST7735_Unselect();
|
||||
HAL_GPIO_WritePin(BACKLIGHT_PORT, BACKLIGHT_PIN, GPIO_PIN_SET);
|
||||
HAL_Delay(200);
|
||||
}
|
||||
|
||||
@ -84,6 +84,7 @@ void NMI_Handler(void)
|
||||
void HardFault_Handler(void)
|
||||
{
|
||||
/* USER CODE BEGIN HardFault_IRQn 0 */
|
||||
__BKPT();
|
||||
|
||||
/* USER CODE END HardFault_IRQn 0 */
|
||||
while (1)
|
||||
@ -276,6 +277,7 @@ void EXTI15_10_IRQHandler(void)
|
||||
/* USER CODE BEGIN EXTI15_10_IRQn 0 */
|
||||
|
||||
/* USER CODE END EXTI15_10_IRQn 0 */
|
||||
HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_12);
|
||||
HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_13);
|
||||
HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_14);
|
||||
/* USER CODE BEGIN EXTI15_10_IRQn 1 */
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
##########################################################################################################################
|
||||
# File automatically-generated by tool: [projectgenerator] version: [4.5.0-RC5] date: [Tue May 13 23:21:12 CDT 2025]
|
||||
# File automatically-generated by tool: [projectgenerator] version: [4.5.0-RC5] date: [Wed Sep 03 06:02:40 CDT 2025]
|
||||
##########################################################################################################################
|
||||
|
||||
# ------------------------------------------------
|
||||
@ -20,7 +20,7 @@ TARGET = stm32f1_buisnesscard_v1
|
||||
# building variables
|
||||
######################################
|
||||
# debug build?
|
||||
DEBUG = 1
|
||||
DEBUG = 0
|
||||
# optimization
|
||||
OPT = -Ofast
|
||||
|
||||
@ -46,6 +46,8 @@ Core/Src/st7735.c \
|
||||
Core/Src/fonts.c \
|
||||
Core/Src/mandelbrot.c \
|
||||
Core/Src/stm32f1xx_hal_msp.c \
|
||||
Core/Src/gpio.c \
|
||||
Core/Src/idle.c \
|
||||
Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c \
|
||||
Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_spi.c \
|
||||
Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c \
|
||||
|
||||
604
program/stm32f1_buisnesscard_v1/art_snapshot.c
Normal file
604
program/stm32f1_buisnesscard_v1/art_snapshot.c
Normal file
@ -0,0 +1,604 @@
|
||||
/** READ BEFORE JUDING!
|
||||
* Yes, I know this code is a mess. Debug code is added
|
||||
* happhazardly, two cameras are used, etc.
|
||||
* That's because it's a temporary program
|
||||
* to create optimizations and debug rendering issues without hardware.
|
||||
* None of this is going to be included in the project, and the code is thus
|
||||
* not extensible or organized; it really doesn't save any effort to do so.
|
||||
*
|
||||
* This code is meant for my eyes only. You've been warned!
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <raylib.h>
|
||||
#include <raymath.h>
|
||||
#include <limits.h>
|
||||
#include <complex.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <time.h>
|
||||
|
||||
#define WINDOW_SIZE_X 1600
|
||||
#define WINDOW_SIZE_Y 800
|
||||
#define RES_X 160
|
||||
#define RES_Y 80
|
||||
#define DEFAULT_CENTER_X 0
|
||||
#define DEFAULT_CENTER_Y 0
|
||||
#define MOUSE_BUTTON 0
|
||||
#define STEP_SIZE .1
|
||||
#define ZOOM_SIZE .1
|
||||
|
||||
|
||||
#define DECIMAL_LOC 28
|
||||
#define DOUBLE_SCALER (1 << DECIMAL_LOC)
|
||||
#define DOUBLE_TO_FIXED(val) (int32_t)((val) * DOUBLE_SCALER)
|
||||
#define FIXED_MULTIPLY(x,y) ((((uint64_t)(x))*(y)) >> DECIMAL_LOC)
|
||||
#define FIXED_TO_DOUBLE(val) ((val) / (double)DOUBLE_SCALER)
|
||||
|
||||
#define INFTY 2
|
||||
#define INFTY_SQR INFTY * INFTY
|
||||
#define ITERS 255
|
||||
#define INFTY_SQR_FIXED DOUBLE_TO_FIXED(INFTY_SQR)
|
||||
|
||||
//#define SHIP
|
||||
//#undef SHIP
|
||||
//#define COLOR_DEBUG
|
||||
//#define SHIP
|
||||
|
||||
Color get_color_dbg(int i) {
|
||||
if(i == ITERS) return (Color){0,0,255,255};
|
||||
// if(i == 0) return (Color){255,255,255,255};
|
||||
return (Color){255,0,255,255};
|
||||
}
|
||||
|
||||
|
||||
#ifdef COLOR_DEBUG
|
||||
Color get_color(int i) {
|
||||
if(i == ITERS) return (Color){0, 0, 0, 255};
|
||||
if(i == 0) return (Color){0, 0, 0, 255};
|
||||
return (Color) {
|
||||
2*(i - 128)+255,
|
||||
0,
|
||||
0,
|
||||
255
|
||||
};
|
||||
}
|
||||
#else
|
||||
Color get_color(int i) {
|
||||
// if((i == ITERS) || (i == 0)) return (Color){0, 0, 0, 255};
|
||||
if(i == ITERS) return (Color){0,0,0,255};
|
||||
if(i == 0) return (Color){0,0,1,255};
|
||||
if(i < 128) {
|
||||
return (Color) {
|
||||
(8*(i - 128)+255) & 0xff,
|
||||
0,
|
||||
(16*(i - 64)+255) & 0xff,
|
||||
255
|
||||
};
|
||||
}
|
||||
return (Color) {
|
||||
0,
|
||||
0,
|
||||
((unsigned int)-2*(i - 128)+255) & 0xff,
|
||||
255
|
||||
};
|
||||
}
|
||||
#endif
|
||||
|
||||
//C does remainder, not modulo.
|
||||
//TODO optimize for mod 8. Benchmark
|
||||
inline int mod(int n, int d) {
|
||||
int r = n % d;
|
||||
return (r < 0) ? r + d : r;
|
||||
}
|
||||
int mod(int n, int d);
|
||||
|
||||
|
||||
struct camera {
|
||||
double min_r, min_i, max_r, max_i;
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
int32_t r; int32_t i;
|
||||
} FixedCord;
|
||||
|
||||
static inline int iterate(FixedCord c) {
|
||||
int32_t z_i = 0;
|
||||
int32_t z_r = 0;
|
||||
int32_t z_r_2, z_i_2, zn_r, zn_i;
|
||||
for(int it = 0; it < ITERS; it++) {
|
||||
z_r_2 = FIXED_MULTIPLY(z_r, z_r);
|
||||
z_i_2 = FIXED_MULTIPLY(z_i, z_i);
|
||||
|
||||
zn_r = z_r_2 - z_i_2 + c.r;
|
||||
|
||||
#ifdef SHIP
|
||||
zn_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c.i;
|
||||
#else
|
||||
zn_i = (FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c.i;
|
||||
#endif
|
||||
|
||||
z_i = zn_i;
|
||||
z_r = zn_r;
|
||||
|
||||
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) return it;
|
||||
}
|
||||
return ITERS;
|
||||
}
|
||||
|
||||
//blllluuuuurg, matracies and vectors in raylib are floats and we need doubles
|
||||
void shift_cam(struct camera *cam, double step_r, double step_i) {
|
||||
double i_offset = (cam->max_i - cam->min_i) * step_i;
|
||||
double r_offset = (cam->max_r - cam->min_r) * step_r;
|
||||
cam->min_i += i_offset;
|
||||
cam->max_i += i_offset;
|
||||
cam->min_r += r_offset;
|
||||
cam->max_r += r_offset;
|
||||
}
|
||||
|
||||
void zoom_cam(struct camera *cam, double zoom) {
|
||||
double i_scale = (cam->max_i - cam->min_i) * zoom;
|
||||
double r_scale = (cam->max_r - cam->min_r) * zoom;
|
||||
cam->min_i += i_scale;
|
||||
cam->max_i -= i_scale;
|
||||
cam->min_r += r_scale;
|
||||
cam->max_r -= r_scale;
|
||||
}
|
||||
|
||||
enum DIRECTIONS {
|
||||
N, NE, E, SE, S, SW, W, NW
|
||||
};
|
||||
|
||||
inline FixedCord get_neighbor_coord(FixedCord from_coord, int direction, FixedCord step) {
|
||||
if((direction == NW) || (direction < E)) from_coord.i += step.i;
|
||||
if((direction > N) && (direction < S)) from_coord.r += step.r;
|
||||
if((direction > E) && (direction < W)) from_coord.i -= step.i;
|
||||
if(direction > S) from_coord.r -= step.r;
|
||||
return from_coord;
|
||||
}
|
||||
FixedCord get_neighbor_coord(FixedCord from_coord, int direction, FixedCord step);
|
||||
|
||||
|
||||
size_t get_neighbor_index(size_t from_pixel, int direction) {
|
||||
const int neighbor_index_accl[8] =
|
||||
{-RES_X, -RES_X + 1, 1, RES_X + 1, RES_X, RES_X - 1, -1, -RES_X - 1};
|
||||
from_pixel += neighbor_index_accl[direction];
|
||||
//canidate for optimization; lots of branches. maybe inline
|
||||
return from_pixel;
|
||||
}
|
||||
|
||||
//we'll be storing info in the green channel to utalize available memory
|
||||
//per pixel.
|
||||
|
||||
#define BACKSTACK_SIZE 32
|
||||
#define GCHAN_UNRENDERED 0 //don't change; green channel zero'd on cam move
|
||||
#define GCHAN_BLOCKED (1 << 7) //interior element or visiteed
|
||||
#define GCHAN_INTERNAL (1 << 5) //part of set, 0x20
|
||||
#define GCHAN_EXTERNAL (1 << 0) //not part of set, 0x10
|
||||
#define GCHAN_INNER_VISITED (1 << 3)
|
||||
#define GCHAN_INNER_CLOSED (1 << 2)
|
||||
|
||||
|
||||
/**
|
||||
void switch_pixel(coord &this_coord, const coord step, size_t this_index, int dir) {
|
||||
|
||||
}
|
||||
**/
|
||||
|
||||
void debug_step(Color *pix, Texture *tex, size_t index, bool pause) {
|
||||
return;
|
||||
// SetTargetFPS(0);
|
||||
static bool fuckin_manual_pause_iguess = false;
|
||||
static Camera2D cam = {0};
|
||||
if(!cam.zoom) cam.zoom = (float)GetRenderWidth()/RES_X;
|
||||
static int debug_color = 0;
|
||||
const float dbg_cam_step = 100;
|
||||
const float dbg_cam_zoom = 1.5;
|
||||
|
||||
(pause || fuckin_manual_pause_iguess) ? SetTargetFPS(60) : SetTargetFPS(0);
|
||||
|
||||
|
||||
|
||||
for(;;) {
|
||||
switch(GetKeyPressed()) {
|
||||
case KEY_UP:
|
||||
cam.offset.y += dbg_cam_step;
|
||||
break;
|
||||
case KEY_DOWN:
|
||||
cam.offset.y -= dbg_cam_step;
|
||||
break;
|
||||
case KEY_RIGHT:
|
||||
cam.offset.x += dbg_cam_step;
|
||||
break;
|
||||
case KEY_LEFT:
|
||||
cam.offset.x -= dbg_cam_step;
|
||||
break;
|
||||
case KEY_W:
|
||||
cam.zoom *= dbg_cam_zoom;
|
||||
break;
|
||||
case KEY_S:
|
||||
cam.zoom /= dbg_cam_zoom;
|
||||
break;
|
||||
case KEY_SPACE:
|
||||
Vector2 mouse_pos =
|
||||
Vector2Multiply(GetMousePosition(), (Vector2){(double)RES_X / WINDOW_SIZE_X, (double)RES_Y / WINDOW_SIZE_Y});
|
||||
//mouse_pos = Vector2Divide(mouse_pos, (Vector2){cam.zoom, cam.zoom});
|
||||
printf("%f, %f (%lu)\n", mouse_pos.x, mouse_pos.y, ((size_t)mouse_pos.y * RES_X) + (size_t)mouse_pos.x);
|
||||
break;
|
||||
case KEY_ENTER:
|
||||
return;
|
||||
default:
|
||||
BeginDrawing();
|
||||
pix[index] =
|
||||
(Color) {debug_color, pix[index].g, 0, 255};
|
||||
BeginDrawing();
|
||||
UpdateTexture(*tex, pix);
|
||||
DrawTextureEx(*tex, (Vector2)
|
||||
{0 - cam.offset.x, cam.offset.y}, 0,
|
||||
cam.zoom, WHITE);
|
||||
EndDrawing();
|
||||
if(!pause && !fuckin_manual_pause_iguess) return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//only need four indecies, however we use 8 because it's more convinient.
|
||||
void detect_borders(bool borders[8], size_t i) {
|
||||
//if this is too slow, it's easy to do it without the modulos.
|
||||
int index_mod = i % RES_X;
|
||||
bzero(borders, sizeof(*borders) * 8);
|
||||
if((i + RES_X) > (RES_X * RES_Y)) {
|
||||
for(int nei_dir = SE; nei_dir <= SW; nei_dir++)
|
||||
borders[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
else if(((int)i - RES_X) < 0) {
|
||||
borders[NE] = GCHAN_EXTERNAL;
|
||||
borders[N] = GCHAN_EXTERNAL;
|
||||
borders[NW] = GCHAN_EXTERNAL;
|
||||
}
|
||||
if(index_mod == 0) {
|
||||
for(int nei_dir = SW; nei_dir < NW; nei_dir++)
|
||||
borders[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
else if(index_mod == (RES_X - 1)) {
|
||||
for(int nei_dir = NE; nei_dir < SE; nei_dir++)
|
||||
borders[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
}
|
||||
|
||||
void debug_nei_arrays(int *priority, int *presort, size_t index) {
|
||||
int debug_x = index % RES_X;
|
||||
int debug_y = index / RES_X;
|
||||
printf("(%i, %i) %lu: pre [", debug_x, debug_y, index);
|
||||
for(int nd = 0; nd < 8; nd++) printf("%i, ", presort[nd]);
|
||||
printf("], pri [");
|
||||
for(int nd = 0; nd < 8; nd++) printf("%i, ", priority[nd]);
|
||||
printf("]\n");
|
||||
}
|
||||
|
||||
enum {
|
||||
SCAN_MODE_NONE,
|
||||
SCAN_MODE_SAFE,
|
||||
SCAN_MODE_INTERIOR
|
||||
} scan_mode;
|
||||
|
||||
unsigned int mandelbrot_bordertrace(struct camera *cam, Color *pixels) {
|
||||
//these lookup tables r cheap cuz on the stm32f1, 1 memory read is 1 instruction
|
||||
FixedCord scale = {
|
||||
.r = DOUBLE_TO_FIXED((cam->max_r - cam->min_r) / (double)RES_X),
|
||||
.i = DOUBLE_TO_FIXED((cam->max_i - cam->min_i) / (double)RES_Y)};
|
||||
FixedCord c = {.r = 0, .i = DOUBLE_TO_FIXED(cam->max_i)};
|
||||
unsigned int total_iters = 0;
|
||||
size_t on_pixel = 0;
|
||||
int border_scanning = 0;
|
||||
|
||||
|
||||
|
||||
Image img = GenImageColor(RES_X, RES_Y, BLUE);
|
||||
Texture debug_tex = LoadTextureFromImage(img);
|
||||
UnloadImage(img);
|
||||
// bzero(pixels, RES_X * RES_Y * sizeof(Color));
|
||||
// for(size_t c = 0; c < (RES_X * RES_Y); c++) pixels[c] = (Color){0,0,0,255};
|
||||
|
||||
|
||||
for(int y = 0; y < RES_Y; y++) {
|
||||
border_scanning = 0;
|
||||
c.r = DOUBLE_TO_FIXED(cam->min_r);
|
||||
for(int x = 0; x < RES_X; x++) {
|
||||
|
||||
//c.r = DOUBLE_TO_FIXED((((on_pixel % RES_X) / (double)RES_X) * (cam->max_r - cam->min_r)) + cam->min_r);
|
||||
//c.i = DOUBLE_TO_FIXED((((on_pixel / (double)RES_X) / (double)RES_Y) * (cam->min_i - cam->max_i)) + cam->max_i);
|
||||
|
||||
switch(pixels[on_pixel].g) {
|
||||
case GCHAN_UNRENDERED:
|
||||
if(border_scanning) {
|
||||
//pixels[on_pixel] = get_color(ITERS);
|
||||
//printf("interior\n");
|
||||
pixels[on_pixel] = (Color){0xfe,0,0xfe,0xff};
|
||||
break;
|
||||
}
|
||||
//printf("rendering %i, %i (%lu)\n", x, y, on_pixel);
|
||||
int i = iterate(c);
|
||||
total_iters += i;
|
||||
pixels[on_pixel] = get_color(i);
|
||||
if(i == ITERS) {
|
||||
FixedCord this_coord = c;
|
||||
size_t this_index = on_pixel;
|
||||
bool seperated_from_start = false;
|
||||
bool nei_canidate[8];
|
||||
int last_nei_canidate[8];
|
||||
int nei_presort[8];
|
||||
|
||||
size_t backstack[BACKSTACK_SIZE];
|
||||
size_t backstack_i = 0;
|
||||
int backstack_calls = 0;
|
||||
|
||||
int nei_dir;
|
||||
|
||||
debug_step(pixels, &debug_tex, this_index, false);
|
||||
bool debug_mode = false;
|
||||
|
||||
|
||||
|
||||
bool borders[8];
|
||||
detect_borders(borders, on_pixel);
|
||||
for(nei_dir = 0; nei_dir < 8; nei_dir++) {
|
||||
size_t nei_i;
|
||||
if(borders[nei_dir]) break;
|
||||
nei_i = get_neighbor_index(on_pixel, nei_dir);
|
||||
if(pixels[nei_i].g & GCHAN_EXTERNAL) break;
|
||||
}
|
||||
|
||||
if(nei_dir >= 8) {
|
||||
border_scanning = SCAN_MODE_INTERIOR;
|
||||
break;
|
||||
}
|
||||
|
||||
while(true) {
|
||||
detect_borders(borders, this_index);
|
||||
debug_step(pixels, &debug_tex, this_index, false);
|
||||
if(debug_mode) debug_step(pixels, &debug_tex, on_pixel, debug_mode);
|
||||
|
||||
//step 1: check pixels around us, fill in neighbors.
|
||||
bzero(nei_presort, sizeof(nei_presort));
|
||||
|
||||
this_coord.r = DOUBLE_TO_FIXED((((this_index % RES_X) / (double)RES_X) * (cam->max_r - cam->min_r)) + cam->min_r);
|
||||
this_coord.i = DOUBLE_TO_FIXED((((this_index / (double)RES_X) / (double)RES_Y) * (cam->min_i - cam->max_i)) + cam->max_i);
|
||||
/** now fill in neighbor info based on green channel,
|
||||
* iterate if no info available.
|
||||
* if this is to slow we could flatten this; it's predictable
|
||||
* where there will be info
|
||||
**/
|
||||
bool start_is_nei = false;
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir++) {
|
||||
size_t nei_i;
|
||||
uint8_t gchan_info;
|
||||
|
||||
//happens if we're pushed against the screen
|
||||
if(borders[nei_dir]) {
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
continue;
|
||||
}
|
||||
|
||||
nei_i = get_neighbor_index(this_index, nei_dir);
|
||||
gchan_info = pixels[nei_i].g;
|
||||
if(nei_i == on_pixel) start_is_nei = true;
|
||||
//note that when we move this over, there will be no alpha channel.
|
||||
//gchan_info will be extracted differently!!!
|
||||
if(gchan_info) nei_presort[nei_dir] = gchan_info;
|
||||
else {
|
||||
int i = iterate(get_neighbor_coord(this_coord, nei_dir, scale));
|
||||
pixels[nei_i] = get_color(i);
|
||||
nei_presort[nei_dir] = (i >= ITERS) ? GCHAN_INTERNAL : GCHAN_EXTERNAL;
|
||||
pixels[nei_i].g = nei_presort[nei_dir];
|
||||
}
|
||||
}
|
||||
if(!start_is_nei && !seperated_from_start && (this_index != on_pixel)) seperated_from_start = true;
|
||||
if(start_is_nei && seperated_from_start) {
|
||||
pixels[this_index].g = GCHAN_BLOCKED;
|
||||
break;
|
||||
}
|
||||
|
||||
int edge_cnt = 0;
|
||||
//see what neighbors are good canidates for the next pixel in our path
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir += 2) {
|
||||
int nei_edge_i;
|
||||
if(nei_presort[nei_dir] != GCHAN_INTERNAL) {
|
||||
continue;
|
||||
}
|
||||
|
||||
for(nei_edge_i = -2; nei_edge_i <= 2; nei_edge_i++) {
|
||||
int nei_edge_mod = mod((nei_dir + nei_edge_i), 8);
|
||||
if((nei_presort[nei_edge_mod] == GCHAN_EXTERNAL) || borders[nei_edge_mod]) break;
|
||||
}
|
||||
|
||||
//no edge found
|
||||
if(nei_edge_i > 2) continue;
|
||||
|
||||
//narrow bridge scenario
|
||||
if(nei_presort[mod((nei_dir + 1), 8)] & nei_presort[mod((nei_dir - 1), 8)] & GCHAN_EXTERNAL)
|
||||
continue;
|
||||
|
||||
edge_cnt++;
|
||||
nei_canidate[nei_dir] = true;
|
||||
}
|
||||
if(edge_cnt >= 2) backstack[backstack_i++ % BACKSTACK_SIZE] = this_index;
|
||||
|
||||
//now go to canidate with lowest prioraty
|
||||
pixels[this_index].g = GCHAN_BLOCKED;
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir += 2) {
|
||||
if(!nei_canidate[nei_dir]) continue;
|
||||
backstack_calls = 0;
|
||||
this_index = get_neighbor_index(this_index, nei_dir);
|
||||
this_coord = get_neighbor_coord(this_coord, nei_dir, scale);
|
||||
goto NEXT_PIXEL;
|
||||
}
|
||||
if((backstack_calls++ > BACKSTACK_SIZE) || (backstack_i < 1)) break;
|
||||
this_index = backstack[--backstack_i % BACKSTACK_SIZE];
|
||||
NEXT_PIXEL:
|
||||
for(int i = 0; i < 8; i++) nei_canidate[i] = false;
|
||||
}
|
||||
debug_step(pixels, &debug_tex, this_index, true);
|
||||
}
|
||||
else pixels[on_pixel].g = GCHAN_EXTERNAL;
|
||||
break;
|
||||
/**
|
||||
case GCHAN_INNER_CLOSED:
|
||||
if(((x + 2) < RES_X) && (pixels[on_pixel + 1].g == GCHAN_UNRENDERED)) border_scanning = SCAN_MODE_NONE;
|
||||
break;
|
||||
**/
|
||||
default:
|
||||
border_scanning = SCAN_MODE_NONE;
|
||||
}
|
||||
on_pixel++;
|
||||
c.r += scale.r;
|
||||
}
|
||||
c.i += scale.i;
|
||||
border_scanning = false;
|
||||
}
|
||||
debug_step(pixels, &debug_tex, 0, true);
|
||||
for(size_t i = 0; i < (RES_X * RES_Y); i++) pixels[i].g = 0;
|
||||
return total_iters;
|
||||
}
|
||||
|
||||
unsigned int mandelbrot_unoptimized(struct camera *cam, Color *pixels) {
|
||||
FixedCord scale = {
|
||||
.r = DOUBLE_TO_FIXED((cam->max_r - cam->min_r) / (double)RES_X),
|
||||
.i = DOUBLE_TO_FIXED((cam->max_i - cam->min_i) / (double)RES_Y)};
|
||||
FixedCord c = { .r = DOUBLE_TO_FIXED(cam->min_r), .i = DOUBLE_TO_FIXED(cam->max_i) };
|
||||
unsigned int total_iters = 0;
|
||||
size_t on_pixel = 0;
|
||||
for(int y = 0; y < RES_Y; y++) {
|
||||
c.r = DOUBLE_TO_FIXED(cam->min_r);
|
||||
for(int x = 0; x < RES_X; x++) {
|
||||
int i = iterate(c);
|
||||
//c.r = DOUBLE_TO_FIXED((((on_pixel % RES_X) / (double)RES_X) * (cam->max_r - cam->min_r)) + cam->min_r);
|
||||
//c.i = DOUBLE_TO_FIXED((((on_pixel / (double)RES_X) / (double)RES_Y) * (cam->min_i - cam->max_i)) + cam->max_i);
|
||||
total_iters += i;
|
||||
pixels[((y * RES_X) + x)] = get_color(i);
|
||||
on_pixel++;
|
||||
c.r += scale.r;
|
||||
}
|
||||
c.i -= scale.i;
|
||||
}
|
||||
return total_iters;
|
||||
}
|
||||
|
||||
int main() {
|
||||
//test();
|
||||
//return 0;
|
||||
Color *pixels_unoptimized = malloc(RES_X * RES_Y * sizeof(Color));
|
||||
Color *pixels_optimized = malloc(RES_X * RES_Y * sizeof(Color));
|
||||
bool optimized = false;
|
||||
//(1.514379082621093886019, 0.000033222739567139065) - (1.514381385800912305228, 0.000034374329476534746)
|
||||
|
||||
struct camera cam_default = {
|
||||
.min_r = -1,
|
||||
.max_r = 1
|
||||
};
|
||||
cam_default.min_i = ((double)RES_Y / RES_X) * cam_default.min_r;
|
||||
cam_default.max_i = ((double)RES_Y / RES_X) * cam_default.max_r;
|
||||
|
||||
|
||||
//done
|
||||
//.min_r = 0.340060821337554164412, .min_i = -0.076399869494282027227, .max_r = 0.340671385211165078655, .max_i = -0.076094587557451340287
|
||||
|
||||
//done
|
||||
//.min_r = 0.348347456407892719366, .min_i = -0.092130353675640097588, .max_r = 0.349033773135021985201, .max_i = -0.091787195312047098472
|
||||
|
||||
|
||||
//has internal noise
|
||||
//.min_r = 0.348416088080605645949, .min_i = -0.092130353675640097588, .max_r = 0.349102404807734911785, .max_i = -0.091787195312047098472
|
||||
|
||||
//needs diagnol transfer
|
||||
//.min_r = 0.352126044212195454808, .min_i = -0.101818891004586714599, .max_r = 0.354169737175103083171, .max_i = -0.100797044523048578979
|
||||
|
||||
//works
|
||||
//.min_r = 1.514379082621093886019, .min_i = 0.000033222739567139065, .max_r = 1.514381385800912305228, .max_i = 0.000034374329476534746
|
||||
|
||||
// unusual issue; complete rendered border
|
||||
// .min_r = 0.426539347230382670517, .min_i = 0.218210183100018217939, .max_r = 0.427445609943903681582, .max_i = 0.218663314456816582076
|
||||
|
||||
|
||||
|
||||
struct camera cam = {
|
||||
//.min_r = 0.348416088080605645949, .min_i = -0.092130353675640097588, .max_r = 0.349102404807734911785, .max_i = -0.091787195312047098472
|
||||
.min_r = 0.348347456407892719366, .min_i = -0.092130353675640097588, .max_r = 0.349033773135021985201, .max_i = -0.091787195312047098472
|
||||
};
|
||||
InitWindow(WINDOW_SIZE_X, WINDOW_SIZE_Y, "mandelbrot fixed point test");
|
||||
SetTraceLogLevel(LOG_ERROR);
|
||||
|
||||
Image img = GenImageColor(RES_X, RES_Y, BLUE);
|
||||
Texture tex = LoadTextureFromImage(img);
|
||||
UnloadImage(img);
|
||||
|
||||
SetTargetFPS(60);
|
||||
|
||||
while(!WindowShouldClose()) {
|
||||
switch(GetKeyPressed()) {
|
||||
case KEY_UP:
|
||||
shift_cam(&cam, 0, STEP_SIZE);
|
||||
break;
|
||||
case KEY_DOWN:
|
||||
shift_cam(&cam, 0, -STEP_SIZE);
|
||||
break;
|
||||
case KEY_RIGHT:
|
||||
shift_cam(&cam, STEP_SIZE, 0);
|
||||
break;
|
||||
case KEY_LEFT:
|
||||
shift_cam(&cam, -STEP_SIZE, 0);
|
||||
break;
|
||||
case KEY_W:
|
||||
zoom_cam(&cam, ZOOM_SIZE);
|
||||
break;
|
||||
case KEY_S:
|
||||
zoom_cam(&cam, -ZOOM_SIZE);
|
||||
break;
|
||||
case KEY_SPACE:
|
||||
optimized = !optimized;
|
||||
break;
|
||||
default:
|
||||
BeginDrawing();
|
||||
EndDrawing();
|
||||
continue;
|
||||
break;
|
||||
}
|
||||
printf(".min_r = %.21f, .min_i = %.21f, .max_r = %.21f, .max_i = %.21f\n", cam.min_r, cam.min_i, cam.max_r, cam.max_i);
|
||||
|
||||
|
||||
clock_t begin, end;
|
||||
double time_unoptimized;
|
||||
double time_optimized;
|
||||
|
||||
for(int i = 0; i < (RES_X * RES_Y); i++) { pixels_unoptimized[i] = (Color){0, 0, 0, 0xff}; }
|
||||
for(int i = 0; i < (RES_X * RES_Y); i++) { pixels_optimized[i] = (Color){0, 0, 0, 0xff}; }
|
||||
|
||||
begin = clock();
|
||||
unsigned int unoptimized_iters = mandelbrot_unoptimized(&cam, pixels_unoptimized);
|
||||
end = clock();
|
||||
|
||||
time_unoptimized = (double)(end - begin) / CLOCKS_PER_SEC;
|
||||
printf("Unoptimized: %u iterations, %f seconds\n", unoptimized_iters, time_unoptimized);
|
||||
|
||||
begin = clock();
|
||||
unsigned int optimized_iters = mandelbrot_bordertrace(&cam, pixels_optimized);
|
||||
end = clock();
|
||||
|
||||
time_optimized = (double)(end - begin) / CLOCKS_PER_SEC;
|
||||
printf("Border tracing: %u iterations, %f seconds\n", optimized_iters, time_optimized);
|
||||
|
||||
printf("border tracing does %f%% of nieve approach\n", ((float)optimized_iters / unoptimized_iters) * 100);
|
||||
|
||||
BeginDrawing();
|
||||
printf("%s\n", optimized ? "optimized mode" : "unoptimized mode");
|
||||
UpdateTexture(tex, optimized ? pixels_optimized : pixels_unoptimized);
|
||||
DrawTextureEx(tex, (Vector2){0,0}, 0, (float)GetRenderWidth()/RES_X, WHITE);
|
||||
EndDrawing();
|
||||
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -24,11 +24,13 @@
|
||||
#define INFTY_SQR_FIXED DOUBLE_TO_FIXED(INFTY_SQR)
|
||||
|
||||
//TODO move to some hardware.h or somethin
|
||||
//channel order: B, G, R
|
||||
#define R_BITS 5
|
||||
#define G_BITS 6
|
||||
//channel order: G, R, B
|
||||
#define R_BITS 6
|
||||
#define G_BITS 5
|
||||
#define B_BITS 5
|
||||
|
||||
#define G_MASK 0xe007u //little endian
|
||||
|
||||
//imaginary axis set automatically
|
||||
#define CAM_DEF_MIN_R -1
|
||||
#define CAM_DEF_MAX_R 1
|
||||
@ -41,10 +43,84 @@
|
||||
#define CAM_ZOOM_IN BUTTON_A
|
||||
#define CAM_ZOOM_OUT BUTTON_B
|
||||
|
||||
|
||||
#define BACKSTACK_SIZE 32
|
||||
#define GCHAN_UNRENDERED 0 //don't change; green channel zero'd on cam move
|
||||
#define GCHAN_BLOCKED (1 << 0) //interior element or visiteed
|
||||
#define GCHAN_INTERNAL (1 << 1) //part of set, 0x20
|
||||
#define GCHAN_EXTERNAL (1 << 2) //not part of set, 0x10
|
||||
|
||||
enum DIRECTIONS {
|
||||
N, NE, E, SE, S, SW, W, NW
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
int32_t r; int32_t i;
|
||||
} FixedCord;
|
||||
|
||||
enum { //TODO remove
|
||||
SCAN_MODE_NONE,
|
||||
SCAN_MODE_SAFE,
|
||||
SCAN_MODE_INTERIOR
|
||||
} scan_mode;
|
||||
|
||||
struct camera {
|
||||
double min_r, min_i, max_r, max_i;
|
||||
};
|
||||
|
||||
struct window {
|
||||
unsigned int x0, y0, xn, yn;
|
||||
};
|
||||
|
||||
//C does remainder, not modulo.
|
||||
//TODO optimize for mod 8. Benchmark
|
||||
inline int mod(int n, int d) {
|
||||
int r = n % d;
|
||||
return (r < 0) ? r + d : r;
|
||||
}
|
||||
int mod(int n, int d);
|
||||
|
||||
|
||||
FixedCord get_neighbor_coord(FixedCord from_coord, int direction, FixedCord step) {
|
||||
if((direction == NW) || (direction < E)) from_coord.i += step.i; //up
|
||||
if((direction > N) && (direction < S)) from_coord.r += step.r; //right
|
||||
if((direction > E) && (direction < W)) from_coord.i -= step.i; //down
|
||||
if(direction > S) from_coord.r -= step.r; //left
|
||||
return from_coord;
|
||||
}
|
||||
//FixedCord get_neighbor_coord(FixedCord from_coord, int direction, FixedCord step);
|
||||
|
||||
|
||||
size_t get_neighbor_index(size_t from_pixel, int direction) {
|
||||
const int neighbor_index_accl[8] =
|
||||
{-RES_X, -RES_X + 1, 1, RES_X + 1, RES_X, RES_X - 1, -1, -RES_X - 1};
|
||||
from_pixel += neighbor_index_accl[direction];
|
||||
return from_pixel;
|
||||
}
|
||||
|
||||
void detect_borders(bool borders[8], size_t i) {
|
||||
//if this is too slow, it's easy to do it without the modulos.
|
||||
int index_mod = i % RES_X;
|
||||
bzero(borders, sizeof(*borders) * 8);
|
||||
if((i + RES_X) > (RES_X * RES_Y)) {
|
||||
for(int nei_dir = SE; nei_dir <= SW; nei_dir++)
|
||||
borders[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
else if(((int)i - RES_X) < 0) {
|
||||
borders[NE] = GCHAN_EXTERNAL;
|
||||
borders[N] = GCHAN_EXTERNAL;
|
||||
borders[NW] = GCHAN_EXTERNAL;
|
||||
}
|
||||
if(index_mod == 0) {
|
||||
for(int nei_dir = SW; nei_dir < NW; nei_dir++)
|
||||
borders[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
else if(index_mod == (RES_X - 1)) {
|
||||
for(int nei_dir = NE; nei_dir < SE; nei_dir++)
|
||||
borders[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
}
|
||||
|
||||
enum VIEW_MODES { VIEW_UNINIT, VIEW_MANDREL, VIEW_SHIP };
|
||||
|
||||
void init_colorscheme_mandrel(uint16_t *scheme) {
|
||||
@ -85,10 +161,184 @@ void cam_zoom(struct camera *cam, double zoom) {
|
||||
cam->max_r -= r_scale;
|
||||
}
|
||||
|
||||
inline int __attribute__((inline)) iterate(FixedCord c) {
|
||||
int32_t z_i = 0;
|
||||
int32_t z_r = 0;
|
||||
int32_t z_r_2, z_i_2, zn_r, zn_i;
|
||||
for(int it = 0; it < ITERS; it++) {
|
||||
z_r_2 = FIXED_MULTIPLY(z_r, z_r);
|
||||
z_i_2 = FIXED_MULTIPLY(z_i, z_i);
|
||||
|
||||
zn_r = z_r_2 - z_i_2 + c.r;
|
||||
|
||||
//zn_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c.i;
|
||||
zn_i = (FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c.i;
|
||||
|
||||
z_i = zn_i;
|
||||
z_r = zn_r;
|
||||
|
||||
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) return it;
|
||||
}
|
||||
return ITERS;
|
||||
}
|
||||
|
||||
unsigned int mandelbrot_bordertrace(uint16_t *framebuffer, uint16_t *colorscheme, struct camera cam, struct window win) {
|
||||
unsigned int total_iters = 0;
|
||||
size_t on_pixel = 0;
|
||||
int border_scanning = 0;
|
||||
|
||||
//these lookup tables r cheap cuz on the stm32f1, 1 memory read is 1 instruction
|
||||
FixedCord scale = {
|
||||
.r = DOUBLE_TO_FIXED((cam.max_r - cam.min_r) / (double)RES_X), .i = DOUBLE_TO_FIXED((cam.max_i - cam.min_i) / (double)RES_Y)
|
||||
};
|
||||
|
||||
FixedCord c = {
|
||||
.i = DOUBLE_TO_FIXED((((cam.max_i - cam.min_i) * (RES_Y - win.y0)) / RES_Y) + cam.min_i),
|
||||
.r = DOUBLE_TO_FIXED((((cam.max_r - cam.min_r) * win.x0) / RES_X) + cam.min_r)
|
||||
};
|
||||
|
||||
uint64_t r0 = c.r;
|
||||
|
||||
for(int y = win.y0; y < win.yn; y++) {
|
||||
border_scanning = 0;
|
||||
c.r = r0;
|
||||
for(int x = win.x0; x < win.xn; x++) {
|
||||
switch(framebuffer[on_pixel] & G_MASK) {
|
||||
case GCHAN_UNRENDERED:
|
||||
if(border_scanning) {
|
||||
framebuffer[on_pixel] = colorscheme[ITERS];
|
||||
break;
|
||||
}
|
||||
int i = iterate(c);
|
||||
total_iters += i;
|
||||
framebuffer[on_pixel] = colorscheme[i];
|
||||
if(i == ITERS) {
|
||||
FixedCord this_coord = c;
|
||||
size_t this_index = on_pixel;
|
||||
bool seperated_from_start = false;
|
||||
bool nei_canidate[8];
|
||||
int nei_presort[8];
|
||||
|
||||
size_t backstack[BACKSTACK_SIZE];
|
||||
size_t backstack_i = 0;
|
||||
int backstack_calls = 0;
|
||||
|
||||
int nei_dir;
|
||||
|
||||
bool borders[8];
|
||||
detect_borders(borders, on_pixel);
|
||||
for(nei_dir = 0; nei_dir < 8; nei_dir++) {
|
||||
size_t nei_i;
|
||||
if(borders[nei_dir]) break;
|
||||
nei_i = get_neighbor_index(on_pixel, nei_dir);
|
||||
if(framebuffer[nei_i] & GCHAN_EXTERNAL) break;
|
||||
}
|
||||
|
||||
if(nei_dir >= 8) {
|
||||
border_scanning = SCAN_MODE_INTERIOR;
|
||||
break;
|
||||
}
|
||||
|
||||
while(true) {
|
||||
detect_borders(borders, this_index);
|
||||
|
||||
//step 1: check pixels around us, fill in neighbors.
|
||||
bzero(nei_presort, sizeof(nei_presort));
|
||||
|
||||
/** now fill in neighbor info based on green channel,
|
||||
* iterate if no info available.
|
||||
* if this is to slow we could flatten this; it's predictable
|
||||
* where there will be info
|
||||
**/
|
||||
bool start_is_nei = false;
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir++) {
|
||||
size_t nei_i;
|
||||
uint8_t gchan_info;
|
||||
|
||||
//happens if we're pushed against the screen
|
||||
if(borders[nei_dir]) {
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
continue;
|
||||
}
|
||||
|
||||
nei_i = get_neighbor_index(this_index, nei_dir);
|
||||
gchan_info = framebuffer[nei_i] & G_MASK;
|
||||
if(nei_i == on_pixel) start_is_nei = true;
|
||||
if(gchan_info) nei_presort[nei_dir] = gchan_info;
|
||||
else {
|
||||
int i = iterate(get_neighbor_coord(this_coord, nei_dir, scale));
|
||||
framebuffer[nei_i] = colorscheme[i];
|
||||
nei_presort[nei_dir] =
|
||||
(i >= ITERS) ? GCHAN_INTERNAL : GCHAN_EXTERNAL;
|
||||
framebuffer[nei_i] |= nei_presort[nei_dir];
|
||||
}
|
||||
}
|
||||
if(!start_is_nei && !seperated_from_start && (this_index != on_pixel)) seperated_from_start = true;
|
||||
if(start_is_nei && seperated_from_start) {
|
||||
framebuffer[this_index] |= GCHAN_BLOCKED;
|
||||
break;
|
||||
}
|
||||
|
||||
int edge_cnt = 0;
|
||||
//see what neighbors are good canidates for the next pixel in our path
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir += 2) {
|
||||
int nei_edge_i;
|
||||
if(nei_presort[nei_dir] != GCHAN_INTERNAL) {
|
||||
continue;
|
||||
}
|
||||
|
||||
for(nei_edge_i = -2; nei_edge_i <= 2; nei_edge_i++) {
|
||||
int nei_edge_mod = mod((nei_dir + nei_edge_i), 8);
|
||||
if((nei_presort[nei_edge_mod] == GCHAN_EXTERNAL) || borders[nei_edge_mod]) break;
|
||||
}
|
||||
|
||||
//no edge found
|
||||
if(nei_edge_i > 2) continue;
|
||||
|
||||
//narrow bridge scenario
|
||||
if(nei_presort[mod((nei_dir + 1), 8)] & nei_presort[mod((nei_dir - 1), 8)] & GCHAN_EXTERNAL)
|
||||
continue;
|
||||
|
||||
edge_cnt++;
|
||||
nei_canidate[nei_dir] = true;
|
||||
}
|
||||
if(edge_cnt >= 2) backstack[backstack_i++ % BACKSTACK_SIZE] = this_index;
|
||||
|
||||
//now go to canidate with lowest prioraty
|
||||
framebuffer[this_index] |= GCHAN_BLOCKED;
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir += 2) {
|
||||
if(!nei_canidate[nei_dir]) continue;
|
||||
backstack_calls = 0;
|
||||
this_index = get_neighbor_index(this_index, nei_dir);
|
||||
this_coord = get_neighbor_coord(this_coord, nei_dir, scale);
|
||||
goto NEXT_PIXEL;
|
||||
}
|
||||
if((backstack_calls++ > BACKSTACK_SIZE) || (backstack_i < 1)) break;
|
||||
this_index = backstack[--backstack_i % BACKSTACK_SIZE];
|
||||
c.r = DOUBLE_TO_FIXED((((on_pixel % RES_X) / (double)RES_X) * (cam.max_r - cam.min_r)) + cam.min_r);
|
||||
c.i = DOUBLE_TO_FIXED((((on_pixel / (double)RES_X) / (double)RES_Y) * (cam.min_i - cam.max_i)) + cam.max_i);
|
||||
NEXT_PIXEL: //TODO improve flow
|
||||
for(int i = 0; i < 8; i++) nei_canidate[i] = false;
|
||||
}
|
||||
}
|
||||
else framebuffer[on_pixel] |= GCHAN_EXTERNAL;
|
||||
break;
|
||||
default:
|
||||
border_scanning = SCAN_MODE_NONE;
|
||||
}
|
||||
on_pixel++;
|
||||
c.r += scale.r;
|
||||
}
|
||||
border_scanning = false;
|
||||
c.i -= scale.i;
|
||||
}
|
||||
for(size_t i = 0; i < (RES_X * RES_Y); i++) framebuffer[i] &= ~G_MASK;
|
||||
return total_iters;
|
||||
}
|
||||
|
||||
|
||||
//TODO look into border tracing; this is too slow. Change name
|
||||
//
|
||||
void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct camera cam, int x0, int y0, int w, int h) {
|
||||
unsigned int render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct camera cam, int x0, int y0, int w, int h) {
|
||||
int32_t scale_i = DOUBLE_TO_FIXED((cam.max_i - cam.min_i) / (double)RES_Y);
|
||||
int32_t scale_r = DOUBLE_TO_FIXED((cam.max_r - cam.min_r) / (double)RES_X);
|
||||
int32_t c_i = DOUBLE_TO_FIXED((((cam.max_i - cam.min_i) * (RES_Y - y0)) / RES_Y) + cam.min_i);
|
||||
@ -96,8 +346,7 @@ void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct came
|
||||
int32_t c_r, z_i, z_r, zn_r, z_r_2, z_i_2;
|
||||
size_t fb_index = 0;
|
||||
int i;
|
||||
|
||||
//for(;;);
|
||||
unsigned int total_iters = 0;
|
||||
|
||||
for(int y = y0; y < y0 + h; y++) {
|
||||
c_r = c_r0;
|
||||
@ -110,127 +359,107 @@ void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct came
|
||||
|
||||
zn_r = z_r_2 - z_i_2 + c_r;
|
||||
|
||||
//z_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c_i;
|
||||
z_i = (FIXED_MULTIPLY(z_r, z_i) << 1) + c_i;
|
||||
|
||||
z_r = zn_r;
|
||||
|
||||
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) break;
|
||||
}
|
||||
total_iters += i;
|
||||
framebuffer[fb_index++] = colorscheme[i];
|
||||
c_r += scale_r;
|
||||
}
|
||||
c_i -= scale_i;
|
||||
}
|
||||
return total_iters;
|
||||
}
|
||||
|
||||
|
||||
|
||||
#define FB_SIZE_X RES_X
|
||||
#define FB_SIZE_Y RES_Y/2
|
||||
#define FB_SIZE_X RES_X/2
|
||||
#define FB_SIZE_Y RES_Y
|
||||
|
||||
//TODO rename
|
||||
void draw_mandelbrot(int key_pressed) {
|
||||
static uint16_t framebuffer[FB_SIZE_X * FB_SIZE_Y];
|
||||
uint16_t columnbuffer[8*RES_Y];
|
||||
static bool bottom_buffered = true;
|
||||
uint16_t columnbuffer[(size_t)(STEP_SIZE * RES_X * RES_Y)];
|
||||
static bool left_buffered = true;
|
||||
//program flow is awful atm becuase I was planning something different; will be improved soon.
|
||||
static struct camera cam = {
|
||||
.min_r = CAM_DEF_MIN_R,
|
||||
.max_r = CAM_DEF_MAX_R,
|
||||
.min_i = ((double)RES_Y / RES_X) * CAM_DEF_MIN_R,
|
||||
.max_i = ((double)RES_Y / RES_X) * CAM_DEF_MAX_R,
|
||||
|
||||
};
|
||||
static int view_mode = VIEW_UNINIT;
|
||||
static uint16_t colorscheme[ITERS];
|
||||
|
||||
|
||||
|
||||
//we could get rid of this and do some awful bitbashing lol
|
||||
//but for readability, we shant
|
||||
//TODO camera moves l/r more then u/d for some reason
|
||||
/**
|
||||
if(key_pressed & CAM_MOVE_UP) cam_shift(&cam, 0, STEP_SIZE);
|
||||
if(key_pressed & CAM_MOVE_DOWN) cam_shift(&cam, 0, -STEP_SIZE);
|
||||
if(key_pressed & CAM_MOVE_RIGHT) cam_shift(&cam, -STEP_SIZE, 0);
|
||||
if(key_pressed & CAM_MOVE_LEFT) cam_shift(&cam, STEP_SIZE, 0);
|
||||
if(key_pressed & CAM_ZOOM_IN) cam_zoom(&cam, ZOOM_SIZE);
|
||||
if(key_pressed & CAM_ZOOM_OUT) cam_zoom(&cam, -ZOOM_SIZE);
|
||||
**/
|
||||
|
||||
//yes, I know the following is disgusting. Before I clean it, I just wanna get the general idea out,
|
||||
//it's more efficient in that order
|
||||
//TODO once you get your idea ironed out, clean the code and improve the flow
|
||||
benchmark_start();
|
||||
if(view_mode == VIEW_UNINIT) {
|
||||
//TODO
|
||||
view_mode = VIEW_MANDREL;
|
||||
init_colorscheme_mandrel(colorscheme);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, 0, RES_X, RES_Y/2);
|
||||
ST7735_DrawImage(0, 0, RES_X, (RES_Y / 2), framebuffer);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, RES_Y/2, RES_X, RES_Y/2);
|
||||
ST7735_DrawImage(0, (RES_Y / 2), RES_X, (RES_Y / 2), framebuffer);
|
||||
bottom_buffered = true;
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, 0, FB_SIZE_X, RES_Y);
|
||||
ST7735_DrawImage(0, 0, FB_SIZE_X, RES_Y, framebuffer);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, FB_SIZE_X, 0, FB_SIZE_X, RES_Y);
|
||||
ST7735_DrawImage(FB_SIZE_X, 0, FB_SIZE_X, RES_Y, framebuffer);
|
||||
left_buffered = true;
|
||||
}
|
||||
else {
|
||||
const int y_offset = STEP_SIZE * RES_Y;
|
||||
const int x_offset = STEP_SIZE * RES_X;
|
||||
const size_t bottom_space = RES_X * ((RES_Y/2) - y_offset) * sizeof(uint16_t);
|
||||
uint16_t top_line = bottom_buffered ? (RES_Y/2) : 0;
|
||||
// const size_t top_space = RES_X * ((RES_Y/2) - y_offset) * sizeof(uint16_t);
|
||||
const size_t top_space = (RES_X / 2) * (RES_Y - y_offset) * sizeof(uint16_t);
|
||||
uint16_t left_line = left_buffered ? (RES_X/2) : 0;
|
||||
switch(key_pressed) {
|
||||
case BUTTON_UP:
|
||||
cam_shift(&cam, 0, STEP_SIZE);
|
||||
memmove(framebuffer + (RES_X * y_offset), framebuffer, bottom_space);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, y_offset);
|
||||
memmove(framebuffer + (FB_SIZE_X * y_offset), framebuffer, top_space);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, left_line, 0, FB_SIZE_X, y_offset);
|
||||
break;
|
||||
case BUTTON_DOWN:
|
||||
uint16_t bottom_line = (bottom_buffered ? RES_Y : (RES_Y/2)) - y_offset;
|
||||
cam_shift(&cam, 0, -STEP_SIZE);
|
||||
memmove(framebuffer, framebuffer + (RES_X * y_offset), bottom_space);
|
||||
render_mandelbrot(framebuffer + (RES_X*((RES_Y/2)-y_offset)), colorscheme, cam, 0, bottom_line, RES_X, y_offset);
|
||||
memmove(framebuffer, framebuffer + (FB_SIZE_X * y_offset), top_space);
|
||||
render_mandelbrot(framebuffer + (FB_SIZE_X * (RES_Y - y_offset)), colorscheme, cam, left_line, (RES_Y - y_offset), FB_SIZE_X, y_offset);
|
||||
break;
|
||||
case BUTTON_RIGHT:
|
||||
cam_shift(&cam, STEP_SIZE, 0);
|
||||
render_mandelbrot(columnbuffer, colorscheme, cam, RES_X - x_offset, top_line, x_offset, RES_Y/2);
|
||||
for(uint16_t y = 0; y < RES_Y/2; y++) {
|
||||
memmove(framebuffer + (RES_X * y), framebuffer + (RES_X * y) + x_offset, (RES_X - x_offset) * sizeof(*framebuffer));
|
||||
memmove(framebuffer + (RES_X * y) + (RES_X - x_offset), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
|
||||
render_mandelbrot(columnbuffer, colorscheme, cam, left_line + (FB_SIZE_X - x_offset), 0, x_offset, RES_Y);
|
||||
for(uint16_t y = 0; y < RES_Y; y++) {
|
||||
memmove(framebuffer + (FB_SIZE_X * y), framebuffer + (FB_SIZE_X * y) + x_offset, (FB_SIZE_X - x_offset) * sizeof(*framebuffer));
|
||||
memmove(framebuffer + (FB_SIZE_X * y) + (FB_SIZE_X - x_offset), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
|
||||
}
|
||||
break;
|
||||
case BUTTON_LEFT:
|
||||
cam_shift(&cam, -STEP_SIZE, 0);
|
||||
render_mandelbrot(columnbuffer, colorscheme, cam, 0, top_line, x_offset, RES_Y/2);
|
||||
for(uint16_t y = 0; y < RES_Y/2; y++) {
|
||||
memmove(framebuffer + (RES_X * y) + x_offset, framebuffer + (RES_X * y), (RES_X - x_offset) * sizeof(*framebuffer));
|
||||
memmove(framebuffer + (RES_X * y), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
|
||||
render_mandelbrot(columnbuffer, colorscheme, cam, left_line, 0, x_offset, RES_Y);
|
||||
for(uint16_t y = 0; y < RES_Y; y++) {
|
||||
memmove(framebuffer + (FB_SIZE_X * y) + x_offset, framebuffer + (FB_SIZE_X * y), (FB_SIZE_X - x_offset) * sizeof(*framebuffer));
|
||||
memmove(framebuffer + (FB_SIZE_X * y), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
|
||||
}
|
||||
break;
|
||||
case BUTTON_A:
|
||||
cam_zoom(&cam, ZOOM_SIZE);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, left_line, 0, FB_SIZE_X, RES_Y);
|
||||
break;
|
||||
case BUTTON_B:
|
||||
cam_zoom(&cam, -ZOOM_SIZE);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, left_line, 0, FB_SIZE_X, RES_Y);
|
||||
break;
|
||||
default:
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, left_line, 0, FB_SIZE_X, RES_Y);
|
||||
}
|
||||
ST7735_DrawImage(0, top_line, RES_X, (RES_Y/2), framebuffer);
|
||||
ST7735_DrawImage(left_line, 0, FB_SIZE_X, RES_Y, framebuffer);
|
||||
|
||||
bottom_buffered = !bottom_buffered;
|
||||
top_line = bottom_buffered ? (RES_Y/2) : 0;
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
|
||||
ST7735_DrawImage(0, top_line, RES_X, (RES_Y/2), framebuffer);
|
||||
left_buffered = !left_buffered;
|
||||
left_line = left_buffered ? FB_SIZE_X : 0;
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, left_line, 0, FB_SIZE_X, RES_Y);
|
||||
ST7735_DrawImage(left_line, 0, FB_SIZE_X, RES_Y, framebuffer);
|
||||
}
|
||||
benchmark_stop();
|
||||
|
||||
|
||||
/**
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, false, key_pressed);
|
||||
ST7735_DrawImage(0, 0, ST7735_WIDTH, (ST7735_HEIGHT / 2), framebuffer);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, true, key_pressed);
|
||||
ST7735_DrawImage(0, (ST7735_HEIGHT / 2), ST7735_WIDTH, (ST7735_HEIGHT / 2), framebuffer);
|
||||
**/
|
||||
// ST7735_DrawImage(0, 0, ST7735_WIDTH - 1, ST7735_HEIGHT - 1, (uint16_t *)0x80000000);
|
||||
}
|
||||
|
||||
@ -17,8 +17,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/main.d",
|
||||
@ -48,8 +46,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_it.d",
|
||||
@ -79,8 +75,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_msp.d",
|
||||
@ -110,8 +104,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_gpio_ex.d",
|
||||
@ -141,8 +133,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_spi.d",
|
||||
@ -172,8 +162,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal.d",
|
||||
@ -203,8 +191,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_rcc.d",
|
||||
@ -234,8 +220,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_rcc_ex.d",
|
||||
@ -265,8 +249,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_gpio.d",
|
||||
@ -296,8 +278,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_dma.d",
|
||||
@ -327,8 +307,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_cortex.d",
|
||||
@ -358,8 +336,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_pwr.d",
|
||||
@ -389,8 +365,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_flash.d",
|
||||
@ -420,8 +394,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_flash_ex.d",
|
||||
@ -451,8 +423,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_exti.d",
|
||||
@ -482,8 +452,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/system_stm32f1xx.d",
|
||||
@ -513,8 +481,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/sysmem.d",
|
||||
@ -544,8 +510,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/syscalls.d",
|
||||
@ -575,8 +539,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/st7735.d",
|
||||
@ -606,8 +568,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/fonts.d",
|
||||
@ -637,8 +597,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_tim.d",
|
||||
@ -668,8 +626,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/stm32f1xx_hal_tim_ex.d",
|
||||
@ -699,8 +655,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/mandelbrot.d",
|
||||
@ -732,8 +686,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/startup_stm32f103xb.d",
|
||||
@ -762,8 +714,6 @@
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-ggdb",
|
||||
"-g3",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/benchmark.d",
|
||||
@ -774,5 +724,63 @@
|
||||
"build/benchmark.o"
|
||||
],
|
||||
"file": "Core/Src/benchmark.c"
|
||||
},
|
||||
{
|
||||
"directory": "/home/indigo/projects/stm32_buisnesscard/program/stm32f1_buisnesscard_v1",
|
||||
"arguments": [
|
||||
"arm-none-eabi-gcc",
|
||||
"-c",
|
||||
"-mcpu=cortex-m3",
|
||||
"-mthumb",
|
||||
"-DSTM32F103xB",
|
||||
"-DUSE_HAL_DRIVER",
|
||||
"-ICore/Inc",
|
||||
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
|
||||
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
|
||||
"-IDrivers/CMSIS/Include",
|
||||
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
|
||||
"-Ofast",
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/idle.d",
|
||||
"-Wall",
|
||||
"-Wa,-a,-ad,-alms=build/idle.lst",
|
||||
"Core/Src/idle.c",
|
||||
"-o",
|
||||
"build/idle.o"
|
||||
],
|
||||
"file": "Core/Src/idle.c"
|
||||
},
|
||||
{
|
||||
"directory": "/home/indigo/projects/stm32_buisnesscard/program/stm32f1_buisnesscard_v1",
|
||||
"arguments": [
|
||||
"arm-none-eabi-gcc",
|
||||
"-c",
|
||||
"-mcpu=cortex-m3",
|
||||
"-mthumb",
|
||||
"-DSTM32F103xB",
|
||||
"-DUSE_HAL_DRIVER",
|
||||
"-ICore/Inc",
|
||||
"-IDrivers/STM32F1xx_HAL_Driver/Inc",
|
||||
"-IDrivers/CMSIS/Device/ST/STM32F1xx/Include",
|
||||
"-IDrivers/CMSIS/Include",
|
||||
"-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy",
|
||||
"-Ofast",
|
||||
"-Wall",
|
||||
"-fdata-sections",
|
||||
"-ffunction-sections",
|
||||
"-MMD",
|
||||
"-MP",
|
||||
"-MFbuild/gpio.d",
|
||||
"-Wall",
|
||||
"-Wa,-a,-ad,-alms=build/gpio.lst",
|
||||
"Core/Src/gpio.c",
|
||||
"-o",
|
||||
"build/gpio.o"
|
||||
],
|
||||
"file": "Core/Src/gpio.c"
|
||||
}
|
||||
]
|
||||
|
||||
@ -3,3 +3,8 @@ file build/stm32f1_buisnesscard_v1.elf
|
||||
target extended localhost:3333
|
||||
load
|
||||
|
||||
#break mandelbrot.c:430
|
||||
#commands
|
||||
# print cam
|
||||
#end
|
||||
|
||||
|
||||
@ -18,12 +18,14 @@ Mcu.Name=STM32F103C(8-B)Tx
|
||||
Mcu.Package=LQFP48
|
||||
Mcu.Pin0=PA0-WKUP
|
||||
Mcu.Pin1=PA1
|
||||
Mcu.Pin10=PB14
|
||||
Mcu.Pin11=PA13
|
||||
Mcu.Pin12=PA14
|
||||
Mcu.Pin13=VP_SYS_VS_Systick
|
||||
Mcu.Pin14=VP_TIM2_VS_ClockSourceINT
|
||||
Mcu.Pin15=VP_TIM4_VS_ClockSourceINT
|
||||
Mcu.Pin10=PB13
|
||||
Mcu.Pin11=PB14
|
||||
Mcu.Pin12=PB15
|
||||
Mcu.Pin13=PA13
|
||||
Mcu.Pin14=PA14
|
||||
Mcu.Pin15=VP_SYS_VS_Systick
|
||||
Mcu.Pin16=VP_TIM2_VS_ClockSourceINT
|
||||
Mcu.Pin17=VP_TIM4_VS_ClockSourceINT
|
||||
Mcu.Pin2=PA2
|
||||
Mcu.Pin3=PA3
|
||||
Mcu.Pin4=PA5
|
||||
@ -31,8 +33,8 @@ Mcu.Pin5=PA7
|
||||
Mcu.Pin6=PB0
|
||||
Mcu.Pin7=PB1
|
||||
Mcu.Pin8=PB2
|
||||
Mcu.Pin9=PB13
|
||||
Mcu.PinsNb=16
|
||||
Mcu.Pin9=PB12
|
||||
Mcu.PinsNb=18
|
||||
Mcu.ThirdPartyNb=0
|
||||
Mcu.UserConstants=
|
||||
Mcu.UserName=STM32F103C8Tx
|
||||
@ -88,6 +90,10 @@ PB1.GPIOParameters=GPIO_Speed
|
||||
PB1.GPIO_Speed=GPIO_SPEED_FREQ_HIGH
|
||||
PB1.Locked=true
|
||||
PB1.Signal=GPIO_Output
|
||||
PB12.GPIOParameters=GPIO_PuPd
|
||||
PB12.GPIO_PuPd=GPIO_PULLUP
|
||||
PB12.Locked=true
|
||||
PB12.Signal=GPXTI12
|
||||
PB13.GPIOParameters=GPIO_PuPd
|
||||
PB13.GPIO_PuPd=GPIO_PULLDOWN
|
||||
PB13.Locked=true
|
||||
@ -96,6 +102,12 @@ PB14.GPIOParameters=GPIO_PuPd
|
||||
PB14.GPIO_PuPd=GPIO_PULLDOWN
|
||||
PB14.Locked=true
|
||||
PB14.Signal=GPXTI14
|
||||
PB15.GPIOParameters=PinState,GPIO_PuPd,GPIO_ModeDefaultOutputPP
|
||||
PB15.GPIO_ModeDefaultOutputPP=GPIO_MODE_OUTPUT_PP
|
||||
PB15.GPIO_PuPd=GPIO_NOPULL
|
||||
PB15.Locked=true
|
||||
PB15.PinState=GPIO_PIN_SET
|
||||
PB15.Signal=GPIO_Output
|
||||
PB2.GPIOParameters=GPIO_Speed
|
||||
PB2.GPIO_Speed=GPIO_SPEED_FREQ_HIGH
|
||||
PB2.Locked=true
|
||||
@ -155,6 +167,8 @@ SH.GPXTI0.0=GPIO_EXTI0
|
||||
SH.GPXTI0.ConfNb=1
|
||||
SH.GPXTI1.0=GPIO_EXTI1
|
||||
SH.GPXTI1.ConfNb=1
|
||||
SH.GPXTI12.0=GPIO_EXTI12
|
||||
SH.GPXTI12.ConfNb=1
|
||||
SH.GPXTI13.0=GPIO_EXTI13
|
||||
SH.GPXTI13.ConfNb=1
|
||||
SH.GPXTI14.0=GPIO_EXTI14
|
||||
|
||||
@ -1,239 +0,0 @@
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
#include "mandelbrot.h"
|
||||
#include "st7735.h"
|
||||
#include "benchmark.h"
|
||||
#include "main.h"
|
||||
|
||||
#define RES_X 160
|
||||
#define RES_Y 80
|
||||
#define DEFAULT_CENTER_X 0
|
||||
#define DEFAULT_CENTER_Y 0
|
||||
#define STEP_SIZE .1
|
||||
#define ZOOM_SIZE .1
|
||||
|
||||
#define DECIMAL_LOC 28
|
||||
#define DOUBLE_SCALER (1 << DECIMAL_LOC)
|
||||
#define DOUBLE_TO_FIXED(val) (int32_t)((val) * DOUBLE_SCALER)
|
||||
#define FIXED_MULTIPLY(x,y) ((((uint64_t)(x))*(y)) >> DECIMAL_LOC)
|
||||
#define FIXED_TO_DOUBLE(val) ((val) / (double)DOUBLE_SCALER)
|
||||
|
||||
#define INFTY 2
|
||||
#define INFTY_SQR INFTY * INFTY
|
||||
#define ITERS 255
|
||||
#define INFTY_SQR_FIXED DOUBLE_TO_FIXED(INFTY_SQR)
|
||||
|
||||
//TODO move to some hardware.h or somethin
|
||||
//channel order: B, G, R
|
||||
#define R_BITS 5
|
||||
#define G_BITS 6
|
||||
#define B_BITS 5
|
||||
|
||||
//imaginary axis set automatically
|
||||
#define CAM_DEF_MIN_R -1
|
||||
#define CAM_DEF_MAX_R 1
|
||||
|
||||
//set controls
|
||||
#define CAM_MOVE_UP BUTTON_UP
|
||||
#define CAM_MOVE_RIGHT BUTTON_RIGHT
|
||||
#define CAM_MOVE_DOWN BUTTON_DOWN
|
||||
#define CAM_MOVE_LEFT BUTTON_LEFT
|
||||
#define CAM_ZOOM_IN BUTTON_A
|
||||
#define CAM_ZOOM_OUT BUTTON_B
|
||||
|
||||
struct camera {
|
||||
double min_r, min_i, max_r, max_i;
|
||||
};
|
||||
|
||||
enum VIEW_MODES { VIEW_UNINIT, VIEW_MANDREL, VIEW_SHIP };
|
||||
|
||||
void init_colorscheme_mandrel(uint16_t *scheme) {
|
||||
uint16_t *tc = scheme;
|
||||
for(unsigned int i = 0; i < ITERS; i++) {
|
||||
if((i == 0) || (i == ITERS)) *tc = 0;
|
||||
else if(i < 128) *tc = (((((i - 64) << 2)+0x1f) & 0x1f) | (((((i - 128) << 1)+0x1f) & 0x1f) << (5+6)));
|
||||
else *tc = (-2*(i - 128)+0x1f) & 0xff;
|
||||
*tc = (*tc << 8) | (*tc >> 8); //convert to little endian
|
||||
tc++;
|
||||
}
|
||||
}
|
||||
|
||||
void init_colorscheme_ship(uint16_t *scheme) {
|
||||
uint16_t *tc = scheme;
|
||||
for(unsigned int i = 0; i < ITERS; i++) {
|
||||
if((i == 0) || (i == ITERS)) *tc = 0;
|
||||
else *tc = (((i - (128)) << 1)+0x1f) << (5+6);
|
||||
tc++;
|
||||
}
|
||||
}
|
||||
|
||||
void cam_shift(struct camera *cam, double step_r, double step_i) {
|
||||
double i_offset = (cam->max_i - cam->min_i) * step_i;
|
||||
double r_offset = (cam->max_r - cam->min_r) * step_r;
|
||||
cam->min_i += i_offset;
|
||||
cam->max_i += i_offset;
|
||||
cam->min_r += r_offset;
|
||||
cam->max_r += r_offset;
|
||||
}
|
||||
|
||||
void cam_zoom(struct camera *cam, double zoom) {
|
||||
double i_scale = (cam->max_i - cam->min_i) * zoom;
|
||||
double r_scale = (cam->max_r - cam->min_r) * zoom;
|
||||
cam->min_i += i_scale;
|
||||
cam->max_i -= i_scale;
|
||||
cam->min_r += r_scale;
|
||||
cam->max_r -= r_scale;
|
||||
}
|
||||
|
||||
|
||||
//TODO look into border tracing; this is too slow. Change name
|
||||
//
|
||||
void render_mandelbrot(uint16_t *framebuffer, uint16_t *colorscheme, struct camera cam, int x0, int y0, int w, int h) {
|
||||
int32_t scale_i = DOUBLE_TO_FIXED((cam.max_i - cam.min_i) / (double)RES_Y);
|
||||
int32_t scale_r = DOUBLE_TO_FIXED((cam.max_r - cam.min_r) / (double)RES_X);
|
||||
int32_t c_i = DOUBLE_TO_FIXED((((cam.max_i - cam.min_i) * (RES_Y - y0)) / RES_Y) + cam.min_i);
|
||||
int32_t c_r0 = DOUBLE_TO_FIXED((((cam.max_r - cam.min_r) * x0) / RES_X) + cam.min_r);
|
||||
int32_t c_r, z_i, z_r, zn_r, z_r_2, z_i_2;
|
||||
size_t fb_index = 0;
|
||||
int i;
|
||||
|
||||
//for(;;);
|
||||
|
||||
for(int y = y0; y < y0 + h; y++) {
|
||||
c_r = c_r0;
|
||||
for(int x = x0; x < x0 + w; x++) {
|
||||
z_i = 0;
|
||||
z_r = 0;
|
||||
for(i = 0; i < ITERS; i++) {
|
||||
z_r_2 = FIXED_MULTIPLY(z_r, z_r);
|
||||
z_i_2 = FIXED_MULTIPLY(z_i, z_i);
|
||||
|
||||
zn_r = z_r_2 - z_i_2 + c_r;
|
||||
|
||||
//z_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c_i;
|
||||
z_i = (FIXED_MULTIPLY(z_r, z_i) << 1) + c_i;
|
||||
|
||||
z_r = zn_r;
|
||||
|
||||
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) break;
|
||||
}
|
||||
framebuffer[fb_index++] = colorscheme[i];
|
||||
c_r += scale_r;
|
||||
}
|
||||
c_i -= scale_i;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
#define FB_SIZE_X RES_X
|
||||
#define FB_SIZE_Y RES_Y/2
|
||||
|
||||
//TODO rename
|
||||
void draw_mandelbrot(int key_pressed) {
|
||||
static uint16_t framebuffer[FB_SIZE_X * FB_SIZE_Y];
|
||||
uint16_t columnbuffer[8*RES_Y];
|
||||
static bool bottom_buffered = true;
|
||||
//program flow is awful atm becuase I was planning something different; will be improved soon.
|
||||
static struct camera cam = {
|
||||
.min_r = CAM_DEF_MIN_R,
|
||||
.max_r = CAM_DEF_MAX_R,
|
||||
.min_i = ((double)RES_Y / RES_X) * CAM_DEF_MIN_R,
|
||||
.max_i = ((double)RES_Y / RES_X) * CAM_DEF_MAX_R,
|
||||
|
||||
};
|
||||
static int view_mode = VIEW_UNINIT;
|
||||
static uint16_t colorscheme[ITERS];
|
||||
|
||||
|
||||
|
||||
//we could get rid of this and do some awful bitbashing lol
|
||||
//but for readability, we shant
|
||||
//TODO camera moves l/r more then u/d for some reason
|
||||
/**
|
||||
if(key_pressed & CAM_MOVE_UP) cam_shift(&cam, 0, STEP_SIZE);
|
||||
if(key_pressed & CAM_MOVE_DOWN) cam_shift(&cam, 0, -STEP_SIZE);
|
||||
if(key_pressed & CAM_MOVE_RIGHT) cam_shift(&cam, -STEP_SIZE, 0);
|
||||
if(key_pressed & CAM_MOVE_LEFT) cam_shift(&cam, STEP_SIZE, 0);
|
||||
if(key_pressed & CAM_ZOOM_IN) cam_zoom(&cam, ZOOM_SIZE);
|
||||
if(key_pressed & CAM_ZOOM_OUT) cam_zoom(&cam, -ZOOM_SIZE);
|
||||
**/
|
||||
|
||||
//yes, I know the following is disgusting. Before I clean it, I just wanna get the general idea out,
|
||||
//it's more efficient in that order
|
||||
//TODO once you get your idea ironed out, clean the code and improve the flow
|
||||
benchmark_start();
|
||||
if(view_mode == VIEW_UNINIT) {
|
||||
view_mode = VIEW_MANDREL;
|
||||
init_colorscheme_mandrel(colorscheme);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, 0, RES_X, RES_Y/2);
|
||||
ST7735_DrawImage(0, 0, RES_X, (RES_Y / 2), framebuffer);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, RES_Y/2, RES_X, RES_Y/2);
|
||||
ST7735_DrawImage(0, (RES_Y / 2), RES_X, (RES_Y / 2), framebuffer);
|
||||
bottom_buffered = true;
|
||||
}
|
||||
else {
|
||||
uint16_t top_line = bottom_buffered ? (RES_Y/2) : 0;
|
||||
switch(key_pressed) {
|
||||
const int y_offset = STEP_SIZE * RES_Y;
|
||||
const int x_offset = STEP_SIZE * RES_X;
|
||||
const size_t lines_rendered = (RES_Y/2) - y_offset;
|
||||
const size_t rendered_area_y = RES_X * lines_rendered * sizeof(uint16_t);
|
||||
const uint16_t framebuffer_offset_y = framebuffer + (RES_X * y_offset);
|
||||
const uint16_t columns_rendered = RES_X - x_offset;
|
||||
const uint16_t
|
||||
case BUTTON_UP:
|
||||
cam_shift(&cam, 0, STEP_SIZE);
|
||||
memmove(framebuffer_offset, framebuffer, rendered_area_y);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, y_offset);
|
||||
break;
|
||||
case BUTTON_DOWN:
|
||||
cam_shift(&cam, 0, -STEP_SIZE);
|
||||
memmove(framebuffer, framebuffer_offset_y, rendered_area_y);
|
||||
render_mandelbrot(framebuffer+(RES_X*lines_rendered), colorscheme, cam, 0, bottom_buffered ? RES_Y : lines_rendered, RES_X, y_offset);
|
||||
break;
|
||||
case BUTTON_RIGHT:
|
||||
cam_shift(&cam, STEP_SIZE, 0);
|
||||
render_mandelbrot(columnbuffer, colorscheme, cam, RES_X - x_offset, top_line, x_offset, RES_Y/2);
|
||||
for(uint16_t y = 0; y < RES_Y/2; y++) {
|
||||
memmove(framebuffer + (RES_X * y), framebuffer + (RES_X * y) + x_offset, (RES_X - x_offset) * sizeof(*framebuffer));
|
||||
memmove(framebuffer + (RES_X * y) + (RES_X - x_offset), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
|
||||
}
|
||||
break;
|
||||
case BUTTON_LEFT:
|
||||
cam_shift(&cam, -STEP_SIZE, 0);
|
||||
render_mandelbrot(columnbuffer, colorscheme, cam, 0, top_line, x_offset, RES_Y/2);
|
||||
for(uint16_t y = 0; y < RES_Y/2; y++) {
|
||||
memmove(framebuffer + (RES_X * y) + x_offset, framebuffer + (RES_X * y), (RES_X - x_offset) * sizeof(*framebuffer));
|
||||
memmove(framebuffer + (RES_X * y), columnbuffer + (x_offset * y), x_offset * sizeof(*framebuffer));
|
||||
}
|
||||
break;
|
||||
case BUTTON_A:
|
||||
cam_zoom(&cam, ZOOM_SIZE);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
|
||||
break;
|
||||
case BUTTON_B:
|
||||
cam_zoom(&cam, -ZOOM_SIZE);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
|
||||
break;
|
||||
default:
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
|
||||
}
|
||||
ST7735_DrawImage(0, top_line, RES_X, (RES_Y/2), framebuffer);
|
||||
|
||||
bottom_buffered = !bottom_buffered;
|
||||
top_line = bottom_buffered ? (RES_Y/2) : 0;
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, 0, top_line, RES_X, RES_Y/2);
|
||||
ST7735_DrawImage(0, top_line, RES_X, (RES_Y/2), framebuffer);
|
||||
}
|
||||
benchmark_stop();
|
||||
|
||||
|
||||
/**
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, false, key_pressed);
|
||||
ST7735_DrawImage(0, 0, ST7735_WIDTH, (ST7735_HEIGHT / 2), framebuffer);
|
||||
render_mandelbrot(framebuffer, colorscheme, cam, true, key_pressed);
|
||||
ST7735_DrawImage(0, (ST7735_HEIGHT / 2), ST7735_WIDTH, (ST7735_HEIGHT / 2), framebuffer);
|
||||
**/
|
||||
// ST7735_DrawImage(0, 0, ST7735_WIDTH - 1, ST7735_HEIGHT - 1, (uint16_t *)0x80000000);
|
||||
}
|
||||
@ -1,256 +1,256 @@
|
||||
print previous_neighbors
|
||||
print current_neighbors
|
||||
print previous_neighbors
|
||||
print previous_neighbors
|
||||
print source_dir
|
||||
c
|
||||
print previous_neighbors
|
||||
print current_bord_i
|
||||
print prev_bord_i
|
||||
quit
|
||||
b 249
|
||||
c
|
||||
print visited_border
|
||||
quit
|
||||
c
|
||||
print visted_border
|
||||
print visited_border
|
||||
context
|
||||
context
|
||||
print previous_neighbors
|
||||
print bord_i
|
||||
print current_bord_i
|
||||
print prev_bord_i
|
||||
quit
|
||||
print prev_bord_i
|
||||
print current_bord_i
|
||||
next
|
||||
print current_bord_i
|
||||
next
|
||||
print nei_dir
|
||||
next
|
||||
print nei_dir
|
||||
next
|
||||
print current_neighbors
|
||||
next
|
||||
print nei_dir
|
||||
next
|
||||
next
|
||||
print nei_i
|
||||
print current_neighbors
|
||||
print current_bord_i
|
||||
print get_neighbor_index(current_bord_i, nei_i)
|
||||
print nei_i
|
||||
quit
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
quit
|
||||
quit
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
quit
|
||||
c
|
||||
c
|
||||
quit
|
||||
c
|
||||
print current_board_i
|
||||
print current_bord_i
|
||||
next
|
||||
print current_bord_i
|
||||
print current_neighbors
|
||||
next
|
||||
print nei_dir
|
||||
print current_neighbors
|
||||
print nei_dir
|
||||
next
|
||||
next
|
||||
print i
|
||||
print nei_dir
|
||||
next
|
||||
print current_neighbors
|
||||
next
|
||||
print nei_dir
|
||||
next
|
||||
print i
|
||||
print nei_dir
|
||||
print nei_dir
|
||||
print nei_dir
|
||||
print get_neighbor_coord(current_bord_cord, nei_dir, scale)
|
||||
print current_bord_cord
|
||||
print nei_dir
|
||||
quit
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
print RES_X
|
||||
quit
|
||||
c
|
||||
print current_board_i
|
||||
print current_bord_i
|
||||
print current_bord_i
|
||||
next
|
||||
next
|
||||
print nei_dir
|
||||
next
|
||||
print previous_neighbors
|
||||
print source_dir
|
||||
print source_dir
|
||||
print prevbord_i
|
||||
print prev_bord_i
|
||||
print current_neighbors
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
cc
|
||||
c
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
c
|
||||
c
|
||||
c
|
||||
quit
|
||||
quit
|
||||
b BORDER_START
|
||||
d 7
|
||||
f 7
|
||||
b BORDER_START
|
||||
b main:BORDER_START
|
||||
b mandelbrot_bordertrace:BORDER_START
|
||||
quit
|
||||
c
|
||||
quit
|
||||
quit
|
||||
c
|
||||
b 327 if current_bord_i == 2012
|
||||
quit
|
||||
c
|
||||
print nei_dir
|
||||
quit
|
||||
c
|
||||
c
|
||||
quit
|
||||
c
|
||||
print current_bord_i
|
||||
print prev_bord_i
|
||||
c
|
||||
print prev_bord_i
|
||||
quit
|
||||
c
|
||||
next
|
||||
print get_neighbor_coord
|
||||
print nei_dir
|
||||
next
|
||||
print current_bord_cord
|
||||
next
|
||||
print current_bord_cord
|
||||
next
|
||||
print prev_bord_i
|
||||
next
|
||||
print current_bord_i
|
||||
print prev_bord_i
|
||||
next
|
||||
print current_bord_i
|
||||
next
|
||||
print filled_neighbors
|
||||
print filled_neighbors
|
||||
quit
|
||||
c
|
||||
c
|
||||
qu8it
|
||||
quit
|
||||
c
|
||||
quit
|
||||
c
|
||||
print borders
|
||||
quit
|
||||
f 5
|
||||
context
|
||||
f 6
|
||||
context
|
||||
c
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
f 6
|
||||
context
|
||||
next
|
||||
f 6
|
||||
advance +1
|
||||
next
|
||||
b 363
|
||||
c
|
||||
next
|
||||
print on_pixel
|
||||
next
|
||||
print borders
|
||||
next
|
||||
next
|
||||
quit
|
||||
b 391
|
||||
c
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
qiut
|
||||
quit
|
||||
quit
|
||||
c
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
print pixels[8613].g
|
||||
f 6
|
||||
print pixels[8613].g
|
||||
quit
|
||||
f 6
|
||||
watch pixels[8613]
|
||||
start
|
||||
c
|
||||
f 6
|
||||
print iter
|
||||
iterate
|
||||
b iter
|
||||
b iterate
|
||||
d
|
||||
p iterate(8613)
|
||||
b this_index == 8613
|
||||
watch this_index == 8613
|
||||
c
|
||||
start
|
||||
c
|
||||
info b
|
||||
info
|
||||
watch pixels[8613]
|
||||
context
|
||||
f 4
|
||||
f 3
|
||||
f 5
|
||||
f 6
|
||||
f 5
|
||||
f 4
|
||||
f 3
|
||||
context
|
||||
f 2
|
||||
context
|
||||
f 3
|
||||
context
|
||||
f 2
|
||||
quit
|
||||
b main.c:222
|
||||
watch pixels[8613]
|
||||
info
|
||||
i
|
||||
info b
|
||||
info watch
|
||||
start
|
||||
info watch
|
||||
watch pixels[8613]
|
||||
b mandelbrot_bordertrace
|
||||
c
|
||||
watch pixels[8613]
|
||||
c
|
||||
print this_coord
|
||||
next
|
||||
f 1
|
||||
c
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
c
|
||||
print pixels
|
||||
print on_pixel
|
||||
print this_index
|
||||
print this_coord
|
||||
next
|
||||
print nei_i
|
||||
next
|
||||
print nei_i
|
||||
quit
|
||||
c
|
||||
c
|
||||
quit
|
||||
c
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
f 6
|
||||
context
|
||||
print touching_start
|
||||
print start_detached
|
||||
p touching_start
|
||||
print pass
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
f 6
|
||||
exit
|
||||
start
|
||||
c
|
||||
exit
|
||||
c
|
||||
print pixels[1971].g
|
||||
f 7
|
||||
context
|
||||
print pixels[1971].g
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
qiut
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
print pixels[848]
|
||||
f 7
|
||||
print pixels[848].g
|
||||
print pixels[848]
|
||||
c
|
||||
print pixels[858]
|
||||
f 6
|
||||
f 7
|
||||
print pixels[858]
|
||||
quit
|
||||
quit
|
||||
exit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
print pixels[1991].g
|
||||
f 6
|
||||
print pixels[1991].g
|
||||
print pixels[1991].g == GCHAN_INNER_VISITED
|
||||
print pixels[1991].g == GCHAN_INNER_CLOSED
|
||||
print pixels[1991].g == GCHAN_INNER_VISITED
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
print nei_i
|
||||
print this_index
|
||||
print RES_X
|
||||
print nei_dir
|
||||
get_neighbor_index(this_index, nei_dir)
|
||||
print get_neighbor_index(this_index, nei_dir)
|
||||
print this_index
|
||||
pirnt on_pixel
|
||||
print on_pixel
|
||||
quit
|
||||
c
|
||||
quit
|
||||
quit
|
||||
quiot
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quyit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quit
|
||||
quyit
|
||||
quit
|
||||
b 394
|
||||
c
|
||||
print scale
|
||||
print get_neighbor_coord((FixedCord){-140928622, 134217728}, 7, (FixedCord){3355443,3355443})
|
||||
print get_neighbor_coord((FixedCord){-140928622, 134217728}, 0, (FixedCord){3355443,3355443})
|
||||
print get_neighbor_coord((FixedCord){-140928622, 134217728}, 1, (FixedCord){3355443,3355443})
|
||||
print get_neighbor_coord((FixedCord){-140928622, 134217728}, 2, (FixedCord){3355443,3355443})
|
||||
print get_neighbor_coord((FixedCord){-140928622, 134217728}, 3, (FixedCord){3355443,3355443})
|
||||
print get_neighbor_coord((FixedCord){-140928622, 134217728}, 4, (FixedCord){3355443,3355443})
|
||||
print get_neighbor_coord((FixedCord){-140928622, 134217728}, 5, (FixedCord){3355443,3355443})
|
||||
print get_neighbor_coord((FixedCord){-140928622, 134217728}, 6, (FixedCord){3355443,3355443})
|
||||
print get_neighbor_coord((FixedCord){-140928622, 134217728}, 7, (FixedCord){3355443,3355443})
|
||||
print get_neighbor_coord((FixedCord){-140928622, 134217728}, 8, (FixedCord){3355443,3355443})
|
||||
print get_neighbor_coord((FixedCord){-140928622, 134217728}, 8, (FixedCord){3355443,3355443})
|
||||
print get_neighbor_coord((FixedCord){-140928622, 134217728}, 9, (FixedCord){3355443,3355443})
|
||||
print get_neighbor_coord((FixedCord){-140928622, 134217728}, 7, (FixedCord){3355443,3355443})
|
||||
p sizeof(double)
|
||||
c
|
||||
d
|
||||
c
|
||||
quit
|
||||
quit
|
||||
b mandelbrot_bordertrace
|
||||
c
|
||||
next
|
||||
print scale
|
||||
cat camera
|
||||
cat cam
|
||||
print cam
|
||||
print *cam
|
||||
x
|
||||
c
|
||||
print *cam
|
||||
c
|
||||
c
|
||||
print *cam
|
||||
quit
|
||||
|
||||
@ -1,14 +1,30 @@
|
||||
/** READ BEFORE JUDING!
|
||||
* Yes, I know this code is a mess. Debug code is added
|
||||
* happhazardly, two cameras are used, etc.
|
||||
* That's because it's a temporary program
|
||||
* to create optimizations and debug rendering issues without hardware.
|
||||
* None of this is going to be included in the project, and the code is thus
|
||||
* not extensible or organized; it really doesn't save any effort to do so.
|
||||
*
|
||||
* This code is meant for my eyes only. You've been warned!
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <raylib.h>
|
||||
#include <raymath.h>
|
||||
#include <limits.h>
|
||||
#include <complex.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <time.h>
|
||||
|
||||
#define WINDOW_SIZE_X 1600
|
||||
#define WINDOW_SIZE_Y 800
|
||||
#define RES_X 1600
|
||||
#define RES_Y 800
|
||||
#define RES_X 160
|
||||
#define RES_Y 80
|
||||
#define DEFAULT_CENTER_X 0
|
||||
#define DEFAULT_CENTER_Y 0
|
||||
#define MOUSE_BUTTON 0
|
||||
@ -28,9 +44,18 @@
|
||||
#define INFTY_SQR_FIXED DOUBLE_TO_FIXED(INFTY_SQR)
|
||||
|
||||
//#define SHIP
|
||||
#undef SHIP
|
||||
//#undef SHIP
|
||||
//#define COLOR_DEBUG
|
||||
|
||||
#ifdef SHIP
|
||||
Color get_color_dbg(int i) {
|
||||
if(i == ITERS) return (Color){0,0,255,255};
|
||||
// if(i == 0) return (Color){255,255,255,255};
|
||||
return (Color){255,0,255,255};
|
||||
}
|
||||
|
||||
|
||||
#ifdef COLOR_DEBUG
|
||||
#elif SHIP
|
||||
Color get_color(int i) {
|
||||
if(i == ITERS) return (Color){0, 0, 0, 255};
|
||||
if(i == 0) return (Color){0, 0, 0, 255};
|
||||
@ -43,7 +68,9 @@ Color get_color(int i) {
|
||||
}
|
||||
#else
|
||||
Color get_color(int i) {
|
||||
if((i == ITERS) || (i == 0)) return (Color){0, 0, 0, 255};
|
||||
// if((i == ITERS) || (i == 0)) return (Color){0, 0, 0, 255};
|
||||
if(i == ITERS) return (Color){0,0,0,255};
|
||||
if(i == 0) return (Color){0,0,1,255};
|
||||
if(i < 128) {
|
||||
return (Color) {
|
||||
(8*(i - 128)+255) & 0xff,
|
||||
@ -61,20 +88,24 @@ Color get_color(int i) {
|
||||
}
|
||||
#endif
|
||||
|
||||
//C does remainder, not modulo.
|
||||
//TODO optimize for mod 8
|
||||
inline int mod(int n, int d) {
|
||||
int r = n % d;
|
||||
return (r < 0) ? r + d : r;
|
||||
}
|
||||
int mod(int n, int d);
|
||||
|
||||
|
||||
struct camera {
|
||||
double min_r, min_i, max_r, max_i;
|
||||
};
|
||||
|
||||
struct vec2_double {
|
||||
double x, y;
|
||||
};
|
||||
typedef struct {
|
||||
int32_t r; int32_t i;
|
||||
} FixedCord;
|
||||
|
||||
struct vec2_float {
|
||||
int32_t x, y;
|
||||
};
|
||||
|
||||
static inline int iterate(int32_t r, int32_t i) {
|
||||
static inline int iterate(FixedCord c) {
|
||||
int32_t z_i = 0;
|
||||
int32_t z_r = 0;
|
||||
int32_t z_r_2, z_i_2, zn_r, zn_i;
|
||||
@ -82,12 +113,12 @@ static inline int iterate(int32_t r, int32_t i) {
|
||||
z_r_2 = FIXED_MULTIPLY(z_r, z_r);
|
||||
z_i_2 = FIXED_MULTIPLY(z_i, z_i);
|
||||
|
||||
zn_r = z_r_2 - z_i_2 + r;
|
||||
zn_r = z_r_2 - z_i_2 + c.r;
|
||||
|
||||
#ifdef SHIP
|
||||
zn_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + i;
|
||||
zn_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c.i;
|
||||
#else
|
||||
zn_i = (FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + i;
|
||||
zn_i = (FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c.i;
|
||||
#endif
|
||||
|
||||
z_i = zn_i;
|
||||
@ -121,24 +152,579 @@ enum DIRECTIONS {
|
||||
N, NE, E, SE, S, SW, W, NW
|
||||
};
|
||||
|
||||
|
||||
//we can inline these if needed
|
||||
|
||||
inline bool bitarray_check(uint8_t *array, size_t i) {
|
||||
return array[i/8] & (1 << (i%8));
|
||||
}
|
||||
|
||||
inline void bitarray_set(uint8_t *array, size_t i) {
|
||||
array[i/8] |= (1 << (i%8));
|
||||
}
|
||||
|
||||
inline FixedCord get_neighbor_coord(FixedCord from_coord, int direction, FixedCord step) {
|
||||
if((direction == NW) || (direction < E)) from_coord.i += step.i;
|
||||
if((direction > N) && (direction < S)) from_coord.r += step.r;
|
||||
if((direction > E) && (direction < W)) from_coord.i -= step.i;
|
||||
if(direction > S) from_coord.r -= step.r;
|
||||
return from_coord;
|
||||
}
|
||||
FixedCord get_neighbor_coord(FixedCord from_coord, int direction, FixedCord step);
|
||||
|
||||
|
||||
size_t get_neighbor_index(size_t from_pixel, int direction) {
|
||||
const int neighbor_index_accl[8] =
|
||||
{-RES_X, -RES_X + 1, 1, RES_X + 1, RES_X, RES_X - 1, -1, -RES_X - 1};
|
||||
from_pixel += neighbor_index_accl[direction];
|
||||
//canidate for optimization; lots of branches. maybe inline
|
||||
return from_pixel;
|
||||
}
|
||||
|
||||
//we'll be storing info in the green channel to utalize available memory
|
||||
//per pixel.
|
||||
|
||||
#define BACKSTACK_SIZE 32
|
||||
#define GCHAN_UNRENDERED 0 //don't change; green channel zero'd on cam move
|
||||
#define GCHAN_BLOCKED (1 << 7) //interior element or visiteed
|
||||
#define GCHAN_INTERNAL (1 << 5) //part of set, 0x20
|
||||
#define GCHAN_EXTERNAL (1 << 0) //not part of set, 0x10
|
||||
#define GCHAN_INNER_VISITED (1 << 3)
|
||||
#define GCHAN_INNER_CLOSED (1 << 2)
|
||||
|
||||
|
||||
/**
|
||||
void switch_pixel(coord &this_coord, const coord step, size_t this_index, int dir) {
|
||||
|
||||
}
|
||||
**/
|
||||
|
||||
void debug_step(Color *pix, Texture *tex, size_t index, bool pause) {
|
||||
return;
|
||||
// SetTargetFPS(0);
|
||||
static bool fuckin_manual_pause_iguess = false;
|
||||
static Camera2D cam = {0};
|
||||
if(!cam.zoom) cam.zoom = (float)GetRenderWidth()/RES_X;
|
||||
static int debug_color = 0;
|
||||
const float dbg_cam_step = 100;
|
||||
const float dbg_cam_zoom = 1.5;
|
||||
|
||||
(pause || fuckin_manual_pause_iguess) ? SetTargetFPS(60) : SetTargetFPS(0);
|
||||
|
||||
|
||||
|
||||
for(;;) {
|
||||
switch(GetKeyPressed()) {
|
||||
case KEY_UP:
|
||||
cam.offset.y += dbg_cam_step;
|
||||
break;
|
||||
case KEY_DOWN:
|
||||
cam.offset.y -= dbg_cam_step;
|
||||
break;
|
||||
case KEY_RIGHT:
|
||||
cam.offset.x += dbg_cam_step;
|
||||
break;
|
||||
case KEY_LEFT:
|
||||
cam.offset.x -= dbg_cam_step;
|
||||
break;
|
||||
case KEY_W:
|
||||
cam.zoom *= dbg_cam_zoom;
|
||||
break;
|
||||
case KEY_S:
|
||||
cam.zoom /= dbg_cam_zoom;
|
||||
break;
|
||||
case KEY_SPACE:
|
||||
Vector2 mouse_pos = Vector2Multiply(GetMousePosition(), (Vector2){(double)RES_X / WINDOW_SIZE_X, (double)RES_Y / WINDOW_SIZE_Y});
|
||||
//mouse_pos = Vector2Divide(mouse_pos, (Vector2){cam.zoom, cam.zoom});
|
||||
printf("%f, %f (%lu)\n", mouse_pos.x, mouse_pos.y, ((size_t)mouse_pos.y * RES_X) + (size_t)mouse_pos.x);
|
||||
break;
|
||||
case KEY_ENTER:
|
||||
return;
|
||||
default:
|
||||
BeginDrawing();
|
||||
pix[index] =
|
||||
(Color) {debug_color, pix[index].g, 0, 255};
|
||||
BeginDrawing();
|
||||
UpdateTexture(*tex, pix);
|
||||
DrawTextureEx(*tex, (Vector2)
|
||||
{0 - cam.offset.x, cam.offset.y}, 0,
|
||||
cam.zoom, WHITE);
|
||||
EndDrawing();
|
||||
if(!pause && !fuckin_manual_pause_iguess) return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//only need four indecies, however we use 8 because it's more convinient.
|
||||
void detect_borders(bool borders[8], size_t i) {
|
||||
//if this is too slow, it's easy to do it without the modulos.
|
||||
int index_mod = i % RES_X;
|
||||
bzero(borders, sizeof(*borders) * 8);
|
||||
if((i + RES_X) > (RES_X * RES_Y)) {
|
||||
for(int nei_dir = SE; nei_dir <= SW; nei_dir++)
|
||||
borders[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
else if(((int)i - RES_X) < 0) {
|
||||
borders[NE] = GCHAN_EXTERNAL;
|
||||
borders[N] = GCHAN_EXTERNAL;
|
||||
borders[NW] = GCHAN_EXTERNAL;
|
||||
}
|
||||
if(index_mod == 0) {
|
||||
for(int nei_dir = SW; nei_dir < NW; nei_dir++)
|
||||
borders[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
else if(index_mod == (RES_X - 1)) {
|
||||
for(int nei_dir = NE; nei_dir < SE; nei_dir++)
|
||||
borders[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
|
||||
/**
|
||||
//runs into occational percision issues
|
||||
if((this_coord.i - scale.i) <= cam_bord_fixed_s) {
|
||||
for(int nei_dir = SE; nei_dir <= SW; nei_dir++)
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
else if((this_coord.i + scale.i) >= cam_bord_fixed_n) {
|
||||
printf("bruh\n");
|
||||
nei_presort[NE] = GCHAN_EXTERNAL;
|
||||
nei_presort[N] = GCHAN_EXTERNAL;
|
||||
nei_presort[NW] = GCHAN_EXTERNAL;
|
||||
}
|
||||
if((this_coord.r - scale.r) <= cam_bord_fixed_w) {
|
||||
for(int nei_dir = SW; nei_dir < NW; nei_dir++)
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
else if((this_coord.r + scale.r) >= cam_bord_fixed_e) {
|
||||
for(int nei_dir = NE; nei_dir < SE; nei_dir++)
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
**/
|
||||
}
|
||||
|
||||
void debug_nei_arrays(int *priority, int *presort, size_t index) {
|
||||
int debug_x = index % RES_X;
|
||||
int debug_y = index / RES_X;
|
||||
printf("(%i, %i) %lu: pre [", debug_x, debug_y, index);
|
||||
for(int nd = 0; nd < 8; nd++) printf("%i, ", presort[nd]);
|
||||
printf("], pri [");
|
||||
for(int nd = 0; nd < 8; nd++) printf("%i, ", priority[nd]);
|
||||
printf("]\n");
|
||||
}
|
||||
|
||||
enum {
|
||||
SCAN_MODE_NONE,
|
||||
SCAN_MODE_SAFE,
|
||||
SCAN_MODE_INTERIOR
|
||||
} scan_mode;
|
||||
|
||||
unsigned int mandelbrot_bordertrace(struct camera *cam, Color *pixels) {
|
||||
//these lookup tables r cheap cuz on the stm32f1, 1 memory read is 1 instruction
|
||||
FixedCord scale = {
|
||||
.r = DOUBLE_TO_FIXED((cam->max_r - cam->min_r) / (double)RES_X),
|
||||
.i = DOUBLE_TO_FIXED((cam->max_i - cam->min_i) / (double)RES_Y)};
|
||||
FixedCord c = {.r = 0, .i = DOUBLE_TO_FIXED(cam->max_i)};
|
||||
unsigned int total_iters = 0;
|
||||
size_t on_pixel = 0;
|
||||
int border_scanning = 0;
|
||||
|
||||
|
||||
|
||||
Image img = GenImageColor(RES_X, RES_Y, BLUE);
|
||||
Texture debug_tex = LoadTextureFromImage(img);
|
||||
UnloadImage(img);
|
||||
// bzero(pixels, RES_X * RES_Y * sizeof(Color));
|
||||
// for(size_t c = 0; c < (RES_X * RES_Y); c++) pixels[c] = (Color){0,0,0,255};
|
||||
|
||||
|
||||
for(int y = 0; y < RES_Y; y++) {
|
||||
border_scanning = 0;
|
||||
for(int x = 0; x < RES_X; x++) {
|
||||
|
||||
c.r = DOUBLE_TO_FIXED((((on_pixel % RES_X) / (double)RES_X) * (cam->max_r - cam->min_r)) + cam->min_r);
|
||||
c.i = DOUBLE_TO_FIXED((((on_pixel / (double)RES_X) / (double)RES_Y) * (cam->min_i - cam->max_i)) + cam->max_i);
|
||||
|
||||
/**
|
||||
SetTargetFPS(0);
|
||||
BeginDrawing();
|
||||
UpdateTexture(debug_tex, pixels);
|
||||
DrawTextureEx(debug_tex, (Vector2){0,0}, 0, (float)GetRenderWidth()/RES_X, WHITE);
|
||||
EndDrawing();
|
||||
**/
|
||||
|
||||
switch(pixels[on_pixel].g) {
|
||||
case GCHAN_INTERNAL:
|
||||
// printf("starting interior trace...\n");
|
||||
size_t inner_pix_i = on_pixel;
|
||||
int next_pix;
|
||||
bool pass = false;
|
||||
bool start_detached = false;
|
||||
bool touching_start;
|
||||
bool borders[8];
|
||||
int nei_dir;
|
||||
size_t nei_i;
|
||||
|
||||
bool trusted_nei[8];
|
||||
|
||||
{
|
||||
//TODO
|
||||
detect_borders(borders, on_pixel);
|
||||
for(nei_dir = 0; nei_dir < 8; nei_dir += 2) if(borders[nei_dir]) break;
|
||||
|
||||
|
||||
int edge_state = 0;
|
||||
bool first_unrendered = false;
|
||||
for(nei_dir = 0; nei_dir < 8; nei_dir += 2) {
|
||||
nei_i = get_neighbor_index(inner_pix_i, nei_dir);
|
||||
if((nei_dir == 0) && (pixels[nei_i].g == GCHAN_UNRENDERED)) first_unrendered = true;
|
||||
if((edge_state & 1) && (pixels[nei_i].g != GCHAN_UNRENDERED)) edge_state++;
|
||||
else if(!(edge_state & 1) && (pixels[nei_i].g == GCHAN_UNRENDERED)) edge_state++;
|
||||
}
|
||||
//tired, easier to think of success states
|
||||
if(!((edge_state == 1)
|
||||
|| ((edge_state == 2) && (!first_unrendered && pixels[nei_i].g != GCHAN_UNRENDERED))
|
||||
|| ((edge_state == 3) && (first_unrendered && pixels[nei_i].g == GCHAN_UNRENDERED)))) break;
|
||||
}
|
||||
for(nei_dir = 0; nei_dir < 8; nei_dir++) {
|
||||
nei_i = get_neighbor_index(inner_pix_i, nei_dir);
|
||||
if(pixels[nei_i].g == GCHAN_UNRENDERED) trusted_nei[nei_dir] = true;
|
||||
else trusted_nei[nei_dir] = false;
|
||||
}
|
||||
|
||||
while(true) {
|
||||
detect_borders(borders, inner_pix_i);
|
||||
|
||||
next_pix = -1;
|
||||
touching_start = false;
|
||||
//debug_step(pixels, &debug_tex, inner_pix_i, true);
|
||||
for(nei_dir = 0; nei_dir < 8; nei_dir += 2) {
|
||||
size_t nei_i;
|
||||
size_t localized_dirs[8];
|
||||
|
||||
if(borders[nei_dir]) continue;
|
||||
nei_i = get_neighbor_index(inner_pix_i, nei_dir);
|
||||
if(nei_i == on_pixel) {
|
||||
touching_start = true;
|
||||
if(start_detached) {
|
||||
next_pix = on_pixel;
|
||||
break;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
if(pixels[nei_i].g != ((pass) ? GCHAN_INNER_VISITED : GCHAN_INTERNAL)) continue;
|
||||
//if((pixels[nei_i].g == GCHAN_UNRENDERED) || (pixels[nei_i].g == ((pass) ? GCHAN_INNER_CLOSED : GCHAN_INNER_VISITED))) continue;
|
||||
|
||||
for(int i = 0; i < 8; i++) localized_dirs[i] = mod(nei_dir + i, 8);
|
||||
if(!(trusted_nei[localized_dirs[2]] || trusted_nei[localized_dirs[1]] ||
|
||||
trusted_nei[localized_dirs[6]] || trusted_nei[localized_dirs[7]])) {
|
||||
continue;
|
||||
}
|
||||
/** TODO if we have time, we can only keep track of safe borders when we get in trouble by looking at
|
||||
the past pixel. This has a lot of overhead, but I did it before thinking & I'm out of resources.
|
||||
**/
|
||||
trusted_nei[localized_dirs[4]] = false;
|
||||
trusted_nei[localized_dirs[3]] = trusted_nei[localized_dirs[2]];
|
||||
trusted_nei[localized_dirs[2]] = trusted_nei[localized_dirs[1]];
|
||||
trusted_nei[localized_dirs[5]] = trusted_nei[localized_dirs[6]];
|
||||
trusted_nei[localized_dirs[6]] = trusted_nei[localized_dirs[7]];
|
||||
{
|
||||
bool front_neighbors[5];
|
||||
bool local_borders[8];
|
||||
detect_borders(local_borders, nei_i);
|
||||
for(int nei_edge_dir = -1; nei_edge_dir <= 1; nei_edge_dir++) {
|
||||
size_t nei_edge_local = mod(nei_dir + nei_edge_dir, 8);
|
||||
front_neighbors[nei_edge_dir + 1] =
|
||||
!(local_borders[nei_edge_local] || (pixels[get_neighbor_index(nei_i, nei_edge_local)].g != GCHAN_UNRENDERED));
|
||||
}
|
||||
front_neighbors[3] = trusted_nei[localized_dirs[6]];
|
||||
front_neighbors[4] = trusted_nei[localized_dirs[2]];
|
||||
trusted_nei[localized_dirs[7]] = (front_neighbors[0] && (front_neighbors[3] ||
|
||||
(front_neighbors[1] && front_neighbors[2] && front_neighbors[4])));
|
||||
trusted_nei[localized_dirs[1]] = (front_neighbors[2] && (front_neighbors[4] ||
|
||||
(front_neighbors[0] && front_neighbors[1] && front_neighbors[3])));
|
||||
trusted_nei[localized_dirs[0]] = (front_neighbors[1] && (trusted_nei[localized_dirs[1]] ||
|
||||
trusted_nei[localized_dirs[7]]));
|
||||
}
|
||||
next_pix = nei_i;
|
||||
break;
|
||||
}
|
||||
if(!start_detached && !touching_start && !(inner_pix_i == on_pixel)) start_detached = true;
|
||||
else if(start_detached && touching_start) {
|
||||
start_detached = false;
|
||||
if(pass) {
|
||||
pixels[inner_pix_i].g = GCHAN_INNER_CLOSED;
|
||||
pixels[touching_start].g = GCHAN_INNER_CLOSED;
|
||||
border_scanning = true;
|
||||
debug_step(pixels, &debug_tex, inner_pix_i, true);
|
||||
break;
|
||||
}
|
||||
else {
|
||||
pass = true;
|
||||
pixels[inner_pix_i].g = GCHAN_INNER_VISITED;
|
||||
inner_pix_i = on_pixel;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
pixels[inner_pix_i].g = ((pass) ? GCHAN_INNER_CLOSED : GCHAN_INNER_VISITED);
|
||||
//TODO remove
|
||||
if(pass) pixels[next_pix].r = 0xff;
|
||||
else { pixels[next_pix].b = 0xaa; }
|
||||
|
||||
if(next_pix < 0) {
|
||||
debug_step(pixels, &debug_tex, inner_pix_i, true);
|
||||
break;
|
||||
}
|
||||
else {
|
||||
inner_pix_i = next_pix;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case GCHAN_UNRENDERED:
|
||||
if(border_scanning) {
|
||||
//pixels[on_pixel] = get_color(ITERS);
|
||||
//printf("interior\n");
|
||||
pixels[on_pixel] = (Color){0xfe,0,0xfe,0xff};
|
||||
break;
|
||||
}
|
||||
//printf("rendering %i, %i (%lu)\n", x, y, on_pixel);
|
||||
int i = iterate(c);
|
||||
total_iters += i;
|
||||
pixels[on_pixel] = get_color(i);
|
||||
if(i == ITERS) {
|
||||
FixedCord this_coord = c;
|
||||
size_t this_index = on_pixel;
|
||||
bool seperated_from_start = false;
|
||||
int nei_priority[8];
|
||||
int last_nei_priority[8];
|
||||
int nei_presort[8];
|
||||
|
||||
size_t backstack[BACKSTACK_SIZE];
|
||||
size_t backstack_i = 0;
|
||||
int backstack_calls = 0;
|
||||
|
||||
int nei_dir;
|
||||
|
||||
debug_step(pixels, &debug_tex, this_index, false);
|
||||
bool debug_mode = false;
|
||||
|
||||
|
||||
|
||||
bool borders[8];
|
||||
detect_borders(borders, inner_pix_i);
|
||||
for(nei_dir = 0; nei_dir < 8; nei_dir++) {
|
||||
size_t nei_i;
|
||||
if(borders[nei_dir]) break;
|
||||
nei_i = get_neighbor_index(on_pixel, nei_dir);
|
||||
if(pixels[nei_i].g & GCHAN_EXTERNAL) break;
|
||||
}
|
||||
|
||||
if(nei_dir >= 8) {
|
||||
border_scanning = SCAN_MODE_INTERIOR;
|
||||
break;
|
||||
}
|
||||
|
||||
while(true) {
|
||||
detect_borders(borders, this_index);
|
||||
debug_step(pixels, &debug_tex, this_index, false);
|
||||
if(debug_mode) debug_step(pixels, &debug_tex, on_pixel, debug_mode);
|
||||
|
||||
//step 1: check pixels around us, fill in neighbors.
|
||||
bzero(nei_presort, sizeof(nei_presort));
|
||||
|
||||
this_coord.r = DOUBLE_TO_FIXED((((this_index % RES_X) / (double)RES_X) * (cam->max_r - cam->min_r)) + cam->min_r);
|
||||
this_coord.i = DOUBLE_TO_FIXED((((this_index / (double)RES_X) / (double)RES_Y) * (cam->min_i - cam->max_i)) + cam->max_i);
|
||||
/** now fill in neighbor info based on green channel,
|
||||
* iterate if no info available.
|
||||
* if this is to slow we could flatten this; it's predictable
|
||||
* where there will be info
|
||||
**/
|
||||
// TODO replace modulos with bitwise ops
|
||||
bool start_is_nei = false;
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir++) {
|
||||
size_t nei_i;
|
||||
uint8_t gchan_info;
|
||||
|
||||
//happens if we're pushed against the screen
|
||||
if(borders[nei_dir]) {
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
continue;
|
||||
}
|
||||
|
||||
nei_i = get_neighbor_index(this_index, nei_dir);
|
||||
gchan_info = pixels[nei_i].g;
|
||||
if(nei_i == on_pixel) start_is_nei = true;
|
||||
//note that when we move this over, there will be no alpha channel.
|
||||
//gchan_info will be extracted differently!!!
|
||||
if(gchan_info) nei_presort[nei_dir] = gchan_info;
|
||||
else {
|
||||
int i = iterate(get_neighbor_coord(this_coord, nei_dir, scale));
|
||||
pixels[nei_i] = get_color(i);
|
||||
if(i == ITERS) nei_presort[nei_dir] = GCHAN_INTERNAL;
|
||||
else {
|
||||
//exterior
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
pixels[nei_i].g = nei_presort[nei_dir];
|
||||
}
|
||||
}
|
||||
if(!start_is_nei && !seperated_from_start && (this_index != on_pixel)) seperated_from_start = true;
|
||||
if(start_is_nei && seperated_from_start) {
|
||||
//printf("success!\n");
|
||||
pixels[this_index].g = GCHAN_BLOCKED;
|
||||
break;
|
||||
}
|
||||
|
||||
//go back if we're in the interior and not an edge
|
||||
int edge_cnt = 0;
|
||||
//sort into prioraties
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir += 2) {
|
||||
int nei_edge_i;
|
||||
if(nei_presort[nei_dir] != GCHAN_INTERNAL) {
|
||||
nei_priority[nei_dir] = -1;
|
||||
continue;
|
||||
}
|
||||
|
||||
//TODO rename nei_edge_i
|
||||
//printf("%i: \n", nei_dir);
|
||||
for(nei_edge_i = -2; nei_edge_i <= 2; nei_edge_i++) {
|
||||
int nei_edge_mod = mod((nei_dir + nei_edge_i), 8);
|
||||
if((nei_presort[nei_edge_mod] == GCHAN_EXTERNAL) || borders[nei_edge_mod]) break;
|
||||
}
|
||||
if(nei_edge_i > 2) {
|
||||
//no edge found
|
||||
nei_priority[nei_dir] = -2; //TODO test; remove interior check if nessesary
|
||||
continue;
|
||||
}
|
||||
|
||||
//narrow bridge scenario
|
||||
if(nei_presort[mod((nei_dir + 1), 8)] & nei_presort[mod((nei_dir - 1), 8)] & GCHAN_EXTERNAL) {
|
||||
nei_i = get_neighbor_index(this_index, nei_dir);
|
||||
//pixels[nei_i] = (Color) {0xff, pixels[nei_i].g, 0x00, 0xff};
|
||||
nei_priority[nei_dir] = -1;
|
||||
continue;
|
||||
}
|
||||
|
||||
edge_cnt++;
|
||||
nei_priority[nei_dir] = 0;
|
||||
}
|
||||
if(edge_cnt >= 2) {
|
||||
backstack[backstack_i++ % BACKSTACK_SIZE] = this_index;
|
||||
//printf("backstack increased\n");
|
||||
}
|
||||
|
||||
//now go to canidate with lowest prioraty
|
||||
pixels[this_index].g = GCHAN_BLOCKED;
|
||||
for(int priority = 0; priority <= 5; priority++) { //TODO we might not need the priority system anymore
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir += 2) {
|
||||
if(nei_priority[nei_dir] != priority) continue;
|
||||
backstack_calls = 0;
|
||||
this_index = get_neighbor_index(this_index, nei_dir);
|
||||
this_coord = get_neighbor_coord(this_coord, nei_dir, scale);
|
||||
//printf("--> (%zu, %zu)\n", this_index % RES_X, this_index / RES_X);
|
||||
goto NEXT_PIXEL;
|
||||
}
|
||||
}
|
||||
if((backstack_calls++ > BACKSTACK_SIZE) || (backstack_i < 1)) { //please don't cause issues...
|
||||
//printf("cycled through backstack, questionable success...\n");
|
||||
break;
|
||||
}
|
||||
this_index = backstack[--backstack_i % BACKSTACK_SIZE];
|
||||
NEXT_PIXEL:
|
||||
memcpy(last_nei_priority, nei_priority, sizeof(nei_priority));
|
||||
}
|
||||
debug_step(pixels, &debug_tex, this_index, true);
|
||||
}
|
||||
else pixels[on_pixel].g = GCHAN_EXTERNAL;
|
||||
break;
|
||||
case GCHAN_INNER_CLOSED:
|
||||
//printf("bruh\n");
|
||||
if(((x + 2) < RES_X) && (pixels[on_pixel + 1].g == GCHAN_UNRENDERED)) border_scanning = SCAN_MODE_NONE;
|
||||
break;
|
||||
default:
|
||||
border_scanning = SCAN_MODE_NONE;
|
||||
}
|
||||
on_pixel++;
|
||||
c.r += scale.r;
|
||||
//printf("%u\n", on_pixel);
|
||||
}
|
||||
border_scanning = false;
|
||||
}
|
||||
debug_step(pixels, &debug_tex, 0, true);
|
||||
for(size_t i = 0; i < (RES_X * RES_Y); i++) pixels[i].g = 0;
|
||||
return total_iters;
|
||||
}
|
||||
|
||||
unsigned int mandelbrot_unoptimized(struct camera *cam, Color *pixels) {
|
||||
FixedCord scale = {
|
||||
.r = DOUBLE_TO_FIXED((cam->max_r - cam->min_r) / (double)RES_X),
|
||||
.i = DOUBLE_TO_FIXED((cam->max_i - cam->min_i) / (double)RES_Y)};
|
||||
FixedCord c = { .r = DOUBLE_TO_FIXED(cam->min_r), .i = DOUBLE_TO_FIXED(cam->max_i) };
|
||||
unsigned int total_iters = 0;
|
||||
size_t on_pixel = 0;
|
||||
for(int y = 0; y < RES_Y; y++) {
|
||||
c.r = DOUBLE_TO_FIXED(cam->min_r);
|
||||
for(int x = 0; x < RES_X; x++) {
|
||||
int i = iterate(c);
|
||||
c.r = DOUBLE_TO_FIXED((((on_pixel % RES_X) / (double)RES_X) * (cam->max_r - cam->min_r)) + cam->min_r);
|
||||
c.i = DOUBLE_TO_FIXED((((on_pixel / (double)RES_X) / (double)RES_Y) * (cam->min_i - cam->max_i)) + cam->max_i);
|
||||
total_iters += i;
|
||||
pixels[((y * RES_X) + x)] = get_color(i);
|
||||
on_pixel++;
|
||||
// c.r += scale.r;
|
||||
}
|
||||
c.i -= scale.i;
|
||||
}
|
||||
return total_iters;
|
||||
}
|
||||
|
||||
int main() {
|
||||
Color *pixels = malloc(RES_X * RES_Y * sizeof(Color));
|
||||
struct camera cam = {
|
||||
//test();
|
||||
//return 0;
|
||||
Color *pixels_unoptimized = malloc(RES_X * RES_Y * sizeof(Color));
|
||||
Color *pixels_optimized = malloc(RES_X * RES_Y * sizeof(Color));
|
||||
bool optimized = true;
|
||||
//(1.514379082621093886019, 0.000033222739567139065) - (1.514381385800912305228, 0.000034374329476534746)
|
||||
|
||||
struct camera cam_default = {
|
||||
.min_r = -1,
|
||||
.max_r = 1,
|
||||
// .min_i = -1,
|
||||
// .max_i = 1
|
||||
.max_r = 1
|
||||
};
|
||||
cam_default.min_i = ((double)RES_Y / RES_X) * cam_default.min_r;
|
||||
cam_default.max_i = ((double)RES_Y / RES_X) * cam_default.max_r;
|
||||
|
||||
|
||||
//done
|
||||
//.min_r = 0.340060821337554164412, .min_i = -0.076399869494282027227, .max_r = 0.340671385211165078655, .max_i = -0.076094587557451340287
|
||||
|
||||
//done
|
||||
//.min_r = 0.348347456407892719366, .min_i = -0.092130353675640097588, .max_r = 0.349033773135021985201, .max_i = -0.091787195312047098472
|
||||
|
||||
|
||||
//has internal noise
|
||||
//.min_r = 0.348416088080605645949, .min_i = -0.092130353675640097588, .max_r = 0.349102404807734911785, .max_i = -0.091787195312047098472
|
||||
|
||||
//needs diagnol transfer
|
||||
//.min_r = 0.352126044212195454808, .min_i = -0.101818891004586714599, .max_r = 0.354169737175103083171, .max_i = -0.100797044523048578979
|
||||
|
||||
//works
|
||||
//.min_r = 1.514379082621093886019, .min_i = 0.000033222739567139065, .max_r = 1.514381385800912305228, .max_i = 0.000034374329476534746
|
||||
|
||||
// unusual issue; complete rendered border
|
||||
// .min_r = 0.426539347230382670517, .min_i = 0.218210183100018217939, .max_r = 0.427445609943903681582, .max_i = 0.218663314456816582076
|
||||
|
||||
|
||||
|
||||
struct camera cam = {
|
||||
//.min_r = 0.348416088080605645949, .min_i = -0.092130353675640097588, .max_r = 0.349102404807734911785, .max_i = -0.091787195312047098472
|
||||
.min_r = 0.348347456407892719366, .min_i = -0.092130353675640097588, .max_r = 0.349033773135021985201, .max_i = -0.091787195312047098472
|
||||
};
|
||||
cam.min_i = ((double)RES_Y / RES_X) * cam.min_r;
|
||||
cam.max_i = ((double)RES_Y / RES_X) * cam.max_r;
|
||||
InitWindow(WINDOW_SIZE_X, WINDOW_SIZE_Y, "mandelbrot fixed point test");
|
||||
SetTraceLogLevel(LOG_ERROR);
|
||||
|
||||
Image img = GenImageColor(RES_X, RES_Y, BLUE);
|
||||
Texture tex = LoadTextureFromImage(img);
|
||||
UnloadImage(img);
|
||||
|
||||
SetTargetFPS(10);
|
||||
|
||||
SetTargetFPS(60);
|
||||
|
||||
while(!WindowShouldClose()) {
|
||||
switch(GetKeyPressed()) {
|
||||
@ -160,50 +746,47 @@ int main() {
|
||||
case KEY_S:
|
||||
zoom_cam(&cam, -ZOOM_SIZE);
|
||||
break;
|
||||
case KEY_SPACE:
|
||||
optimized = !optimized;
|
||||
break;
|
||||
default:
|
||||
BeginDrawing();
|
||||
EndDrawing();
|
||||
continue;
|
||||
break;
|
||||
}
|
||||
printf("(%.6f, %.6f) - (%.6f, %.6f)\n", cam.min_r, cam.min_i, cam.max_r, cam.max_i);
|
||||
struct coords {
|
||||
int x, y
|
||||
};
|
||||
{
|
||||
int32_t scale_i = DOUBLE_TO_FIXED((cam.max_i - cam.min_i) / (double)RES_Y);
|
||||
int32_t scale_r = DOUBLE_TO_FIXED((cam.max_r - cam.min_r) / (double)RES_X);
|
||||
int32_t c_i = DOUBLE_TO_FIXED(cam.max_i);
|
||||
int32_t c_r;
|
||||
uint8_t rendered[(RES_X * RES_Y) / 8] = {0};
|
||||
uint8_t edges[(RES_X * RES_Y) / 8] = {0};
|
||||
int32_t directions_r[8] = {0, scale_r, scale_r, scale_r, 0, -scale_r, -scale_r, -scale_r};
|
||||
int32_t directions_i[8] = {scale_i, scale_i, 0, -scale_i, -scale_i, -scale_i, 0, scale_i};
|
||||
int i;
|
||||
for(int y = 0; y < RES_Y; y++) {
|
||||
c_r = DOUBLE_TO_FIXED(cam.min_r);
|
||||
for(int x = 0; x < RES_X; x++) {
|
||||
int i = iterate(c_r, c_i);
|
||||
if(i >= ITERS) {
|
||||
int start_x = x;
|
||||
int start_y = y;
|
||||
do {
|
||||
for(int canidate_d = 0; canidate_d < NW; canidate_d++) {
|
||||
printf(".min_r = %.21f, .min_i = %.21f, .max_r = %.21f, .max_i = %.21f\n", cam.min_r, cam.min_i, cam.max_r, cam.max_i);
|
||||
|
||||
}
|
||||
} while((x != start_x) && (y != start_y));
|
||||
}
|
||||
pixels[((y * RES_X) + x)] = get_color(iterate(c_r, c_i));
|
||||
c_r += scale_r;
|
||||
}
|
||||
c_i -= scale_i;
|
||||
}
|
||||
}
|
||||
|
||||
clock_t begin, end;
|
||||
double time_unoptimized;
|
||||
double time_optimized;
|
||||
|
||||
for(int i = 0; i < (RES_X * RES_Y); i++) { pixels_unoptimized[i] = (Color){0, 0, 0, 0xff}; }
|
||||
for(int i = 0; i < (RES_X * RES_Y); i++) { pixels_optimized[i] = (Color){0, 0, 0, 0xff}; }
|
||||
|
||||
begin = clock();
|
||||
unsigned int unoptimized_iters = mandelbrot_unoptimized(&cam, pixels_unoptimized);
|
||||
end = clock();
|
||||
|
||||
time_unoptimized = (double)(end - begin) / CLOCKS_PER_SEC;
|
||||
printf("Unoptimized: %u iterations, %f seconds\n", unoptimized_iters, time_unoptimized);
|
||||
|
||||
begin = clock();
|
||||
unsigned int optimized_iters = mandelbrot_bordertrace(&cam, pixels_optimized);
|
||||
end = clock();
|
||||
|
||||
time_optimized = (double)(end - begin) / CLOCKS_PER_SEC;
|
||||
printf("Border tracing: %u iterations, %f seconds\n", optimized_iters, time_optimized);
|
||||
|
||||
printf("border tracing does %f%% of nieve approach\n", ((float)optimized_iters / unoptimized_iters) * 100);
|
||||
|
||||
BeginDrawing();
|
||||
UpdateTexture(tex, pixels);
|
||||
printf("%s\n", optimized ? "optimized mode" : "unoptimized mode");
|
||||
UpdateTexture(tex, optimized ? pixels_optimized : pixels_unoptimized);
|
||||
DrawTextureEx(tex, (Vector2){0,0}, 0, (float)GetRenderWidth()/RES_X, WHITE);
|
||||
EndDrawing();
|
||||
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
585
recon/mandelbrot_tests/c/backup_lasttime
Normal file
585
recon/mandelbrot_tests/c/backup_lasttime
Normal file
@ -0,0 +1,585 @@
|
||||
/** READ BEFORE JUDING!
|
||||
* Yes, I know this code is a mess. Debug code is added
|
||||
* happhazardly, two cameras are used, etc.
|
||||
* That's because it's a temporary program
|
||||
* to create optimizations and debug rendering issues without hardware.
|
||||
* None of this is going to be included in the project, and the code is thus
|
||||
* not extensible or organized; it really doesn't save any effort to do so.
|
||||
*
|
||||
* This code is meant for my eyes only. You've been warned!
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <raylib.h>
|
||||
#include <raymath.h>
|
||||
#include <limits.h>
|
||||
#include <complex.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#define WINDOW_SIZE_X 1600
|
||||
#define WINDOW_SIZE_Y 800
|
||||
#define RES_X 1600
|
||||
#define RES_Y 800
|
||||
#define DEFAULT_CENTER_X 0
|
||||
#define DEFAULT_CENTER_Y 0
|
||||
#define MOUSE_BUTTON 0
|
||||
#define STEP_SIZE .1
|
||||
#define ZOOM_SIZE .1
|
||||
|
||||
|
||||
#define DECIMAL_LOC 28
|
||||
#define DOUBLE_SCALER (1 << DECIMAL_LOC)
|
||||
#define DOUBLE_TO_FIXED(val) (int32_t)((val) * DOUBLE_SCALER)
|
||||
#define FIXED_MULTIPLY(x,y) ((((uint64_t)(x))*(y)) >> DECIMAL_LOC)
|
||||
#define FIXED_TO_DOUBLE(val) ((val) / (double)DOUBLE_SCALER)
|
||||
|
||||
#define INFTY 2
|
||||
#define INFTY_SQR INFTY * INFTY
|
||||
#define ITERS 255
|
||||
#define INFTY_SQR_FIXED DOUBLE_TO_FIXED(INFTY_SQR)
|
||||
|
||||
//#define SHIP
|
||||
//#undef SHIP
|
||||
|
||||
int debug_x, debug_y;
|
||||
|
||||
|
||||
#ifdef SHIP
|
||||
Color get_color(int i) {
|
||||
if(i == ITERS) return (Color){0, 0, 0, 255};
|
||||
if(i == 0) return (Color){0, 0, 0, 255};
|
||||
return (Color) {
|
||||
2*(i - 128)+255,
|
||||
0,
|
||||
0,
|
||||
255
|
||||
};
|
||||
}
|
||||
#else
|
||||
Color get_color(int i) {
|
||||
// if((i == ITERS) || (i == 0)) return (Color){0, 0, 0, 255};
|
||||
if(i == ITERS) return (Color){0,0,0,255};
|
||||
if(i == 0) return (Color){0,0,1,255};
|
||||
if(i < 128) {
|
||||
return (Color) {
|
||||
(8*(i - 128)+255) & 0xff,
|
||||
0,
|
||||
(16*(i - 64)+255) & 0xff,
|
||||
255
|
||||
};
|
||||
}
|
||||
return (Color) {
|
||||
0,
|
||||
0,
|
||||
((unsigned int)-2*(i - 128)+255) & 0xff,
|
||||
255
|
||||
};
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
//TODO remove
|
||||
struct debug_info {
|
||||
int32_t r, i;
|
||||
int x, y;
|
||||
};
|
||||
|
||||
__attribute__((used)) struct debug_info debug_get_coord(size_t i) {
|
||||
struct debug_info ret;
|
||||
ret.x = i % RES_X;
|
||||
ret.y = i / RES_Y;
|
||||
return ret;
|
||||
}
|
||||
|
||||
struct camera {
|
||||
double min_r, min_i, max_r, max_i;
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
int32_t r; int32_t i;
|
||||
} FixedCord;
|
||||
|
||||
static inline int iterate(FixedCord c) {
|
||||
int32_t z_i = 0;
|
||||
int32_t z_r = 0;
|
||||
int32_t z_r_2, z_i_2, zn_r, zn_i;
|
||||
for(int it = 0; it < ITERS; it++) {
|
||||
z_r_2 = FIXED_MULTIPLY(z_r, z_r);
|
||||
z_i_2 = FIXED_MULTIPLY(z_i, z_i);
|
||||
|
||||
zn_r = z_r_2 - z_i_2 + c.r;
|
||||
|
||||
#ifdef SHIP
|
||||
zn_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c.i;
|
||||
#else
|
||||
zn_i = (FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c.i;
|
||||
#endif
|
||||
|
||||
z_i = zn_i;
|
||||
z_r = zn_r;
|
||||
|
||||
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) return it;
|
||||
}
|
||||
return ITERS;
|
||||
}
|
||||
|
||||
//blllluuuuurg, matracies and vectors in raylib are floats and we need doubles
|
||||
void shift_cam(struct camera *cam, double step_r, double step_i) {
|
||||
double i_offset = (cam->max_i - cam->min_i) * step_i;
|
||||
double r_offset = (cam->max_r - cam->min_r) * step_r;
|
||||
cam->min_i += i_offset;
|
||||
cam->max_i += i_offset;
|
||||
cam->min_r += r_offset;
|
||||
cam->max_r += r_offset;
|
||||
}
|
||||
|
||||
void zoom_cam(struct camera *cam, double zoom) {
|
||||
double i_scale = (cam->max_i - cam->min_i) * zoom;
|
||||
double r_scale = (cam->max_r - cam->min_r) * zoom;
|
||||
cam->min_i += i_scale;
|
||||
cam->max_i -= i_scale;
|
||||
cam->min_r += r_scale;
|
||||
cam->max_r -= r_scale;
|
||||
}
|
||||
|
||||
enum DIRECTIONS {
|
||||
N, NE, E, SE, S, SW, W, NW
|
||||
};
|
||||
|
||||
|
||||
//we can inline these if needed
|
||||
|
||||
inline bool bitarray_check(uint8_t *array, size_t i) {
|
||||
return array[i/8] & (1 << (i%8));
|
||||
}
|
||||
|
||||
inline void bitarray_set(uint8_t *array, size_t i) {
|
||||
array[i/8] |= (1 << (i%8));
|
||||
}
|
||||
|
||||
inline FixedCord get_neighbor_coord(FixedCord from_coord, int direction, FixedCord step) {
|
||||
if((direction == NW) || (direction < E)) from_coord.i += step.i;
|
||||
if((direction > N) && (direction < S)) from_coord.r += step.r;
|
||||
if((direction > E) && (direction < W)) from_coord.i -= step.i;
|
||||
if(direction > S) from_coord.r -= step.r;
|
||||
return from_coord;
|
||||
}
|
||||
FixedCord get_neighbor_coord(FixedCord from_coord, int direction, FixedCord step);
|
||||
|
||||
|
||||
size_t get_neighbor_index(size_t from_pixel, int direction) {
|
||||
const int neighbor_index_accl[8] =
|
||||
{-RES_X, -RES_X + 1, 1, RES_X + 1, RES_X, RES_X - 1, -1, -RES_X - 1};
|
||||
from_pixel += neighbor_index_accl[direction];
|
||||
//canidate for optimization; lots of branches. maybe inline
|
||||
return from_pixel;
|
||||
}
|
||||
|
||||
|
||||
|
||||
bool bitarray_check(uint8_t *array, size_t i);
|
||||
void bitarray_set(uint8_t *array, size_t i);
|
||||
#define BITARRAY_SET(array, i) ((array)[(i)/8] |= (1 << ((i) % 8)))
|
||||
#define BITARRAY_CLEAR(array, i) ((array)[(i)/8] &= ~(1 << ((i) % 8)))
|
||||
#define BITARRAY_CHECK(array, i) ((array)[(i)/8] & (1 << ((i) % 8)))
|
||||
|
||||
|
||||
#define PRESORT_UNSOLVED (1 << 0)
|
||||
#define PRESORT_VISITED (1 << VISITED)
|
||||
//#define PRESORT_INTERIOR (1 << INTERIOR) //in set, NOT an edge
|
||||
//#define PRESORT_BACKTRACKED (1 << BACKTRACED)
|
||||
//#define PRESORT_EXTERIOR (1 <<
|
||||
|
||||
//we'll be storing info in the green channel to utalize all available memory.
|
||||
//the following is bitmasks to do so
|
||||
#define GCHAN_RENDERED (1 << 0)
|
||||
#define GCHAN_VISITED (1 << 1)
|
||||
#define GCHAN_BLOCKED (1 << 2) //interior element or backtrack
|
||||
#define GCHAN_EXTERNAL (1 << 3)
|
||||
#define GCHAN_DEBUG (1 << 4) //extra, not nessesary
|
||||
|
||||
/**
|
||||
void switch_pixel(coord &this_coord, const coord step, size_t this_index, int dir) {
|
||||
|
||||
}
|
||||
**/
|
||||
|
||||
unsigned int mandelbrot_bordertrace(struct camera *cam, Color *pixels) {
|
||||
//these lookup tables r cheap cuz on the stm32f1, 1 memory read is 1 instruction
|
||||
FixedCord scale = {
|
||||
.r = DOUBLE_TO_FIXED((cam->max_r - cam->min_r) / (double)RES_X),
|
||||
.i = DOUBLE_TO_FIXED((cam->max_i - cam->min_i) / (double)RES_Y)};
|
||||
FixedCord c = {.r = 0, .i = DOUBLE_TO_FIXED(cam->max_i)};
|
||||
unsigned int total_iters = 0;
|
||||
size_t on_pixel = 0;
|
||||
|
||||
//for camera border calculations
|
||||
int32_t cam_bord_fixed_n = DOUBLE_TO_FIXED(cam->min_i);
|
||||
int32_t cam_bord_fixed_s = DOUBLE_TO_FIXED(cam->max_i);
|
||||
int32_t cam_bord_fixed_e = DOUBLE_TO_FIXED(cam->max_r);
|
||||
int32_t cam_bord_fixed_w = DOUBLE_TO_FIXED(cam->min_r);
|
||||
|
||||
|
||||
//I know this is gross, just for debugigng!
|
||||
//will clean up once I get things ironed out
|
||||
Image img = GenImageColor(RES_X, RES_Y, BLUE);
|
||||
Texture debug_tex = LoadTextureFromImage(img);
|
||||
UnloadImage(img);
|
||||
Color *debug_pix = malloc(RES_X * RES_Y * sizeof(Color));
|
||||
memcpy(debug_pix, pixels, RES_X * RES_Y * sizeof(Color));
|
||||
static Camera2D debug_cam = {0};
|
||||
debug_cam.zoom = (float)GetRenderWidth()/RES_X;
|
||||
|
||||
|
||||
|
||||
/**
|
||||
//for keeping track of border only. will organize later
|
||||
uint8_t set[(160*80)/8] = {0};
|
||||
uint8_t unset[(160*80)/8] = {0};
|
||||
**/
|
||||
|
||||
const Color debug_colors[] =
|
||||
{ (Color) {0xff, 0x00, 0x00, 0xff},
|
||||
(Color) {0xff, 0x00, 0xff, 0xff},
|
||||
(Color) {0x00, 0xff, 0x00, 0xff},
|
||||
(Color) {0x00, 0x00, 0xff, 0xff},
|
||||
(Color) {0x6a, 0x00, 0xff, 0xff}
|
||||
};
|
||||
static int debug_color = 0;
|
||||
for(int y = 0; y < RES_Y; y++) {
|
||||
c.r = DOUBLE_TO_FIXED(cam->min_r);
|
||||
for(int x = 0; x < RES_X; x++) {
|
||||
int i = iterate(c);
|
||||
total_iters += i;
|
||||
pixels[on_pixel] = get_color(i);
|
||||
|
||||
|
||||
if(i == ITERS) {
|
||||
FixedCord this_coord = c;
|
||||
size_t this_index = on_pixel;
|
||||
int nei_priority[8];
|
||||
int last_nei_priority[8];
|
||||
int last_direction = E;
|
||||
int nei_presort[8];
|
||||
|
||||
//only really need to zero green channel
|
||||
bzero(pixels, RES_X * RES_Y * sizeof(*pixels));
|
||||
|
||||
//this is so fucking knarly
|
||||
printf("NEW BORDER\n");
|
||||
while(true) {
|
||||
//step 1: check pixels around us, fill in neighbors.
|
||||
bzero(nei_presort, sizeof(nei_presort));
|
||||
|
||||
//find if we're pushed against screen border.
|
||||
//feels gross but I don't think there's a better way
|
||||
if((this_coord.i - scale.i) < cam_bord_fixed_n) {
|
||||
for(int nei_dir = SE; nei_dir <= SW; nei_dir++)
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
else if((this_coord.i + scale.i) > cam_bord_fixed_s) {
|
||||
nei_presort[NE] = GCHAN_EXTERNAL;
|
||||
nei_presort[N] = GCHAN_EXTERNAL;
|
||||
nei_presort[NW] = GCHAN_EXTERNAL;
|
||||
}
|
||||
if((this_coord.r - scale.r) < cam_bord_fixed_w) {
|
||||
for(int nei_dir = SW; nei_dir < NW; nei_dir++)
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
else if((this_coord.r + scale.r) > cam_bord_fixed_e) {
|
||||
for(int nei_dir = NE; nei_dir < SE; nei_dir++)
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/** now fill in neighbor info based on green channel,
|
||||
* iterate if no info available.
|
||||
* if this is to slow we could flatten this; it's predictable
|
||||
* where there will be info
|
||||
**/
|
||||
// TODO replace modulos with something faster
|
||||
bool interior = true;
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir++) {
|
||||
size_t nei_i;
|
||||
uint8_t gchan_info;
|
||||
|
||||
//happens if we're pushed against the screen
|
||||
if(nei_presort[nei_dir] == GCHAN_EXTERNAL) {
|
||||
interior = false;
|
||||
continue;
|
||||
}
|
||||
|
||||
nei_i = get_neighbor_index(this_index, nei_dir);
|
||||
gchan_info = pixels[nei_i].g;
|
||||
//note that when we move this over, there will be no alpha channel.
|
||||
//gchan_info will be extracted differently!!!
|
||||
if(gchan_info & GCHAN_RENDERED) {
|
||||
gchan_info &= ~(GCHAN_RENDERED);
|
||||
|
||||
if(gchan_info & GCHAN_EXTERNAL) {
|
||||
interior = false;
|
||||
gchan_info = GCHAN_BLOCKED;
|
||||
}
|
||||
|
||||
if(gchan_info & GCHAN_BLOCKED) gchan_info = GCHAN_BLOCKED;
|
||||
|
||||
nei_presort[nei_dir] = gchan_info;
|
||||
}
|
||||
else {
|
||||
int i = iterate(get_neighbor_coord(this_coord, nei_dir, scale));
|
||||
pixels[nei_i] = get_color(i);
|
||||
pixels[nei_i].g = GCHAN_RENDERED;
|
||||
if(i == ITERS) nei_presort[nei_dir] = 0;
|
||||
else {
|
||||
//exterior
|
||||
interior = false;
|
||||
nei_presort[nei_dir] = GCHAN_BLOCKED;
|
||||
pixels[nei_i].g |= GCHAN_EXTERNAL;
|
||||
}
|
||||
}
|
||||
}
|
||||
if(interior) {
|
||||
printf("interior\n");
|
||||
asm volatile("interior_check:");
|
||||
pixels[this_index].g = GCHAN_RENDERED | GCHAN_BLOCKED;
|
||||
//printf("bruh\n");
|
||||
memcpy(nei_priority, last_nei_priority, sizeof(nei_priority));
|
||||
nei_priority[last_direction] = -1;
|
||||
this_index = get_neighbor_index(this_index, (last_direction + 4) % 8);
|
||||
this_coord = get_neighbor_coord(
|
||||
this_coord, (last_direction + 4) % 8, scale);
|
||||
pixels[this_index].g ^= GCHAN_VISITED; //so we don't think we need to backtrack
|
||||
}
|
||||
else {
|
||||
int blocked_cnt = 0;
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir++) {
|
||||
int offset_cw = (last_direction - nei_dir) % 8;
|
||||
int offset_ccw = (nei_dir - last_direction) % 8;
|
||||
int forward_offset;
|
||||
switch(nei_presort[nei_dir]) {
|
||||
case GCHAN_VISITED:
|
||||
nei_priority[nei_dir] = 15;
|
||||
break;
|
||||
case GCHAN_BLOCKED:
|
||||
case GCHAN_EXTERNAL:
|
||||
nei_priority[nei_dir] = -1;
|
||||
blocked_cnt++;
|
||||
break;
|
||||
default: //unvisited element
|
||||
if((nei_presort[(nei_dir - 1) % 8] == 0) ||
|
||||
(nei_presort[(nei_dir + 1) % 8] == 0)) {
|
||||
nei_priority[nei_dir] = 3;
|
||||
break;
|
||||
}
|
||||
if((nei_presort[(nei_dir - 1) % 8] == GCHAN_VISITED) ||
|
||||
(nei_presort[(nei_dir + 1) % 8] == GCHAN_VISITED)) {
|
||||
nei_priority[nei_dir] = 7;
|
||||
break;
|
||||
}
|
||||
nei_priority[nei_dir] = 11;
|
||||
break;
|
||||
}
|
||||
if(nei_priority[nei_dir] < 0) continue;
|
||||
forward_offset = abs((offset_cw < offset_ccw) ?
|
||||
offset_cw : offset_ccw);
|
||||
if(forward_offset < 3) nei_priority[nei_dir] -= (3-forward_offset);
|
||||
}
|
||||
if(blocked_cnt == 8) {
|
||||
for(int nd = 0; nd < 8; nd++) printf("%i, ", nei_priority[nd]);
|
||||
printf("we blocked ourselves in!\n");
|
||||
for(;;) sleep(10);
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
for(int priority = 0; priority < 17; priority++) {
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir++) {
|
||||
if(nei_priority[nei_dir] != priority) continue;
|
||||
if(nei_dir % 2) continue;
|
||||
printf("(%zu, %zu): dir %i. [", this_index % RES_X, this_index / RES_X, nei_dir);
|
||||
for(int nd = 0; nd < 8; nd++) printf("%i, ", nei_priority[nd]);
|
||||
printf("] -> ");
|
||||
|
||||
// if(pixels[this_index].g & GCHAN_VISITED) {
|
||||
if(priority >= 12) {
|
||||
pixels[this_index].g |= GCHAN_BLOCKED;
|
||||
printf("backtracking!!!\n");
|
||||
}
|
||||
else
|
||||
pixels[this_index].g |= GCHAN_VISITED;
|
||||
|
||||
memcpy(last_nei_priority, nei_priority, sizeof(nei_priority));
|
||||
last_direction = nei_dir;
|
||||
this_index = get_neighbor_index(this_index, nei_dir);
|
||||
this_coord = get_neighbor_coord(this_coord, nei_dir, scale);
|
||||
printf("(%zu, %zu)\n", this_index % RES_X, this_index / RES_X);
|
||||
|
||||
debug_x = this_index % RES_X;
|
||||
debug_y = this_index / RES_X;
|
||||
|
||||
/**
|
||||
BeginDrawing();
|
||||
DrawPixel(debug_x, debug_y,
|
||||
debug_colors[debug_color % (sizeof(debug_colors) / sizeof(*debug_colors))]);
|
||||
EndDrawing();
|
||||
*/
|
||||
|
||||
//FOR VISUAL DEBUGGING- read warning on line 0!
|
||||
{
|
||||
static bool hit_debug_pix = false;
|
||||
const float dbg_cam_step = 100;
|
||||
const float dbg_cam_zoom = .25;
|
||||
if((debug_x == 1046) && (debug_y == 126)) hit_debug_pix = true;
|
||||
if(hit_debug_pix) {
|
||||
for(;;) {
|
||||
switch(GetKeyPressed()) {
|
||||
case KEY_UP:
|
||||
debug_cam.offset.y += dbg_cam_step;
|
||||
break;
|
||||
case KEY_DOWN:
|
||||
debug_cam.offset.y -= dbg_cam_step;
|
||||
break;
|
||||
case KEY_RIGHT:
|
||||
debug_cam.offset.x += dbg_cam_step;
|
||||
break;
|
||||
case KEY_LEFT:
|
||||
debug_cam.offset.x -= dbg_cam_step;
|
||||
break;
|
||||
case KEY_W:
|
||||
debug_cam.zoom += dbg_cam_zoom;
|
||||
break;
|
||||
case KEY_S:
|
||||
debug_cam.zoom -= dbg_cam_zoom;
|
||||
break;
|
||||
case KEY_ENTER:
|
||||
goto switch_pixel;
|
||||
default:
|
||||
// BeginDrawing();
|
||||
BeginDrawing();
|
||||
const int dbg_clrs = 32;
|
||||
uint8_t this_dbg_clr =
|
||||
((debug_color++) % dbg_clrs) * (255 / dbg_clrs);
|
||||
debug_pix[this_index] =
|
||||
(Color) {this_dbg_clr, this_dbg_clr, this_dbg_clr, 255};
|
||||
BeginDrawing();
|
||||
UpdateTexture(debug_tex, debug_pix);
|
||||
DrawTextureEx(debug_tex, (Vector2)
|
||||
{0 - debug_cam.offset.x, debug_cam.offset.y}, 0,
|
||||
debug_cam.zoom, WHITE);
|
||||
EndDrawing();
|
||||
// EndDrawing();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
goto switch_pixel;
|
||||
}
|
||||
}
|
||||
switch_pixel:
|
||||
}
|
||||
debug_color++;
|
||||
}
|
||||
on_pixel++;
|
||||
c.r += scale.r;
|
||||
}
|
||||
c.i -= scale.i;
|
||||
}
|
||||
return total_iters;
|
||||
}
|
||||
|
||||
unsigned int mandelbrot_unoptimized(struct camera *cam, Color *pixels) {
|
||||
FixedCord scale = { .r = DOUBLE_TO_FIXED((cam->max_r - cam->min_r) / (double)RES_X), .i = DOUBLE_TO_FIXED((cam->max_i - cam->min_i) / (double)RES_Y) };
|
||||
FixedCord c = { .r = 0, .i = DOUBLE_TO_FIXED(cam->max_i) };
|
||||
unsigned int total_iters = 0;
|
||||
for(int y = 0; y < RES_Y; y++) {
|
||||
c.r = DOUBLE_TO_FIXED(cam->min_r);
|
||||
for(int x = 0; x < RES_X; x++) {
|
||||
int i = iterate(c);
|
||||
total_iters += i;
|
||||
pixels[((y * RES_X) + x)] = get_color(i);
|
||||
c.r += scale.r;
|
||||
}
|
||||
c.i -= scale.i;
|
||||
}
|
||||
return total_iters;
|
||||
}
|
||||
|
||||
void test() {
|
||||
uint8_t bitarray[(160*80)/8] = {0};
|
||||
int test_i = 9;
|
||||
BITARRAY_SET(bitarray, test_i);
|
||||
printf("%s\n", BITARRAY_CHECK(bitarray, 9) ? "true" : "false");
|
||||
}
|
||||
|
||||
int main() {
|
||||
//test();
|
||||
//return 0;
|
||||
Color *pixels = malloc(RES_X * RES_Y * sizeof(Color));
|
||||
struct camera cam = {
|
||||
.min_r = -1,
|
||||
.max_r = 1,
|
||||
// .min_i = -1,
|
||||
// .max_i = 1
|
||||
};
|
||||
cam.min_i = ((double)RES_Y / RES_X) * cam.min_r;
|
||||
cam.max_i = ((double)RES_Y / RES_X) * cam.max_r;
|
||||
InitWindow(WINDOW_SIZE_X, WINDOW_SIZE_Y, "mandelbrot fixed point test");
|
||||
|
||||
Image img = GenImageColor(RES_X, RES_Y, BLUE);
|
||||
Texture tex = LoadTextureFromImage(img);
|
||||
Texture backdrop = LoadTextureFromImage(img);
|
||||
UnloadImage(img);
|
||||
|
||||
SetTargetFPS(60);
|
||||
|
||||
|
||||
while(!WindowShouldClose()) {
|
||||
switch(GetKeyPressed()) {
|
||||
case KEY_UP:
|
||||
shift_cam(&cam, 0, STEP_SIZE);
|
||||
break;
|
||||
case KEY_DOWN:
|
||||
shift_cam(&cam, 0, -STEP_SIZE);
|
||||
break;
|
||||
case KEY_RIGHT:
|
||||
shift_cam(&cam, STEP_SIZE, 0);
|
||||
break;
|
||||
case KEY_LEFT:
|
||||
shift_cam(&cam, -STEP_SIZE, 0);
|
||||
break;
|
||||
case KEY_W:
|
||||
zoom_cam(&cam, ZOOM_SIZE);
|
||||
break;
|
||||
case KEY_S:
|
||||
zoom_cam(&cam, -ZOOM_SIZE);
|
||||
break;
|
||||
default:
|
||||
BeginDrawing();
|
||||
EndDrawing();
|
||||
continue;
|
||||
break;
|
||||
}
|
||||
printf("(%.21f, %.21f) - (%.21f, %.21f)\n", cam.min_r, cam.min_i, cam.max_r, cam.max_i);
|
||||
|
||||
printf("Unoptimized: %u iterations\n", mandelbrot_unoptimized(&cam, pixels));
|
||||
BeginDrawing();
|
||||
UpdateTexture(backdrop, pixels);
|
||||
DrawTextureEx(backdrop, (Vector2){0,0}, 0, (float)GetRenderWidth()/RES_X, WHITE);
|
||||
EndDrawing();
|
||||
|
||||
/**
|
||||
printf("Border tracing: %u iterations\n", mandelbrot_bordertrace(&cam, pixels));
|
||||
BeginDrawing();
|
||||
UpdateTexture(tex, pixels);
|
||||
DrawTextureEx(tex, (Vector2){0,0}, 0, (float)GetRenderWidth()/RES_X, WHITE);
|
||||
EndDrawing();
|
||||
**/
|
||||
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
561
recon/mandelbrot_tests/c/fuckingkillme
Normal file
561
recon/mandelbrot_tests/c/fuckingkillme
Normal file
@ -0,0 +1,561 @@
|
||||
/** READ BEFORE JUDING!
|
||||
* Yes, I know this code is a mess. Debug code is added
|
||||
* happhazardly, two cameras are used, etc.
|
||||
* That's because it's a temporary program
|
||||
* to create optimizations and debug rendering issues without hardware.
|
||||
* None of this is going to be included in the project, and the code is thus
|
||||
* not extensible or organized; it really doesn't save any effort to do so.
|
||||
*
|
||||
* This code is meant for my eyes only. You've been warned!
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <raylib.h>
|
||||
#include <raymath.h>
|
||||
#include <limits.h>
|
||||
#include <complex.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#define WINDOW_SIZE_X 1600
|
||||
#define WINDOW_SIZE_Y 800
|
||||
#define RES_X 1600
|
||||
#define RES_Y 800
|
||||
#define DEFAULT_CENTER_X 0
|
||||
#define DEFAULT_CENTER_Y 0
|
||||
#define MOUSE_BUTTON 0
|
||||
#define STEP_SIZE .1
|
||||
#define ZOOM_SIZE .1
|
||||
|
||||
|
||||
#define DECIMAL_LOC 28
|
||||
#define DOUBLE_SCALER (1 << DECIMAL_LOC)
|
||||
#define DOUBLE_TO_FIXED(val) (int32_t)((val) * DOUBLE_SCALER)
|
||||
#define FIXED_MULTIPLY(x,y) ((((uint64_t)(x))*(y)) >> DECIMAL_LOC)
|
||||
#define FIXED_TO_DOUBLE(val) ((val) / (double)DOUBLE_SCALER)
|
||||
|
||||
#define INFTY 2
|
||||
#define INFTY_SQR INFTY * INFTY
|
||||
#define ITERS 255
|
||||
#define INFTY_SQR_FIXED DOUBLE_TO_FIXED(INFTY_SQR)
|
||||
|
||||
//#define SHIP
|
||||
//#undef SHIP
|
||||
|
||||
int debug_x, debug_y;
|
||||
|
||||
|
||||
#ifdef SHIP
|
||||
Color get_color(int i) {
|
||||
if(i == ITERS) return (Color){0, 0, 0, 255};
|
||||
if(i == 0) return (Color){0, 0, 0, 255};
|
||||
return (Color) {
|
||||
2*(i - 128)+255,
|
||||
0,
|
||||
0,
|
||||
255
|
||||
};
|
||||
}
|
||||
#else
|
||||
Color get_color(int i) {
|
||||
// if((i == ITERS) || (i == 0)) return (Color){0, 0, 0, 255};
|
||||
if(i == ITERS) return (Color){0,0,0,255};
|
||||
if(i == 0) return (Color){0,0,1,255};
|
||||
if(i < 128) {
|
||||
return (Color) {
|
||||
(8*(i - 128)+255) & 0xff,
|
||||
0,
|
||||
(16*(i - 64)+255) & 0xff,
|
||||
255
|
||||
};
|
||||
}
|
||||
return (Color) {
|
||||
0,
|
||||
0,
|
||||
((unsigned int)-2*(i - 128)+255) & 0xff,
|
||||
255
|
||||
};
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
//TODO remove
|
||||
struct debug_info {
|
||||
int32_t r, i;
|
||||
int x, y;
|
||||
};
|
||||
|
||||
__attribute__((used)) struct debug_info debug_get_coord(size_t i) {
|
||||
struct debug_info ret;
|
||||
ret.x = i % RES_X;
|
||||
ret.y = i / RES_Y;
|
||||
return ret;
|
||||
}
|
||||
|
||||
struct camera {
|
||||
double min_r, min_i, max_r, max_i;
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
int32_t r; int32_t i;
|
||||
} FixedCord;
|
||||
|
||||
static inline int iterate(FixedCord c) {
|
||||
int32_t z_i = 0;
|
||||
int32_t z_r = 0;
|
||||
int32_t z_r_2, z_i_2, zn_r, zn_i;
|
||||
for(int it = 0; it < ITERS; it++) {
|
||||
z_r_2 = FIXED_MULTIPLY(z_r, z_r);
|
||||
z_i_2 = FIXED_MULTIPLY(z_i, z_i);
|
||||
|
||||
zn_r = z_r_2 - z_i_2 + c.r;
|
||||
|
||||
#ifdef SHIP
|
||||
zn_i = abs(FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c.i;
|
||||
#else
|
||||
zn_i = (FIXED_MULTIPLY((DOUBLE_TO_FIXED(2)), (FIXED_MULTIPLY(z_r, z_i)))) + c.i;
|
||||
#endif
|
||||
|
||||
z_i = zn_i;
|
||||
z_r = zn_r;
|
||||
|
||||
if(z_i_2 + z_r_2 > INFTY_SQR_FIXED) return it;
|
||||
}
|
||||
return ITERS;
|
||||
}
|
||||
|
||||
//blllluuuuurg, matracies and vectors in raylib are floats and we need doubles
|
||||
void shift_cam(struct camera *cam, double step_r, double step_i) {
|
||||
double i_offset = (cam->max_i - cam->min_i) * step_i;
|
||||
double r_offset = (cam->max_r - cam->min_r) * step_r;
|
||||
cam->min_i += i_offset;
|
||||
cam->max_i += i_offset;
|
||||
cam->min_r += r_offset;
|
||||
cam->max_r += r_offset;
|
||||
}
|
||||
|
||||
void zoom_cam(struct camera *cam, double zoom) {
|
||||
double i_scale = (cam->max_i - cam->min_i) * zoom;
|
||||
double r_scale = (cam->max_r - cam->min_r) * zoom;
|
||||
cam->min_i += i_scale;
|
||||
cam->max_i -= i_scale;
|
||||
cam->min_r += r_scale;
|
||||
cam->max_r -= r_scale;
|
||||
}
|
||||
|
||||
enum DIRECTIONS {
|
||||
N, NE, E, SE, S, SW, W, NW
|
||||
};
|
||||
|
||||
|
||||
//we can inline these if needed
|
||||
|
||||
inline bool bitarray_check(uint8_t *array, size_t i) {
|
||||
return array[i/8] & (1 << (i%8));
|
||||
}
|
||||
|
||||
inline void bitarray_set(uint8_t *array, size_t i) {
|
||||
array[i/8] |= (1 << (i%8));
|
||||
}
|
||||
|
||||
inline FixedCord get_neighbor_coord(FixedCord from_coord, int direction, FixedCord step) {
|
||||
if((direction == NW) || (direction < E)) from_coord.i += step.i;
|
||||
if((direction > N) && (direction < S)) from_coord.r += step.r;
|
||||
if((direction > E) && (direction < W)) from_coord.i -= step.i;
|
||||
if(direction > S) from_coord.r -= step.r;
|
||||
return from_coord;
|
||||
}
|
||||
FixedCord get_neighbor_coord(FixedCord from_coord, int direction, FixedCord step);
|
||||
|
||||
|
||||
size_t get_neighbor_index(size_t from_pixel, int direction) {
|
||||
const int neighbor_index_accl[8] =
|
||||
{-RES_X, -RES_X + 1, 1, RES_X + 1, RES_X, RES_X - 1, -1, -RES_X - 1};
|
||||
from_pixel += neighbor_index_accl[direction];
|
||||
//canidate for optimization; lots of branches. maybe inline
|
||||
return from_pixel;
|
||||
}
|
||||
|
||||
|
||||
|
||||
bool bitarray_check(uint8_t *array, size_t i);
|
||||
void bitarray_set(uint8_t *array, size_t i);
|
||||
#define BITARRAY_SET(array, i) ((array)[(i)/8] |= (1 << ((i) % 8)))
|
||||
#define BITARRAY_CLEAR(array, i) ((array)[(i)/8] &= ~(1 << ((i) % 8)))
|
||||
#define BITARRAY_CHECK(array, i) ((array)[(i)/8] & (1 << ((i) % 8)))
|
||||
|
||||
//we'll be storing info in the green channel to utalize available memory
|
||||
//per pixel.
|
||||
|
||||
#define GCHAN_BLOCKED (1 << 0) //interior element or visiteed
|
||||
#define GCHAN_INTERNAL (1 << 1) //part of set
|
||||
#define GCHAN_EXTERNAL (1 << 2) //not part of set
|
||||
#define GCHAN_DEBUG (1 << 3) //extra, not nessesary
|
||||
|
||||
#define BACKSTACK_SIZE 32
|
||||
|
||||
|
||||
/**
|
||||
void switch_pixel(coord &this_coord, const coord step, size_t this_index, int dir) {
|
||||
|
||||
}
|
||||
**/
|
||||
|
||||
void debug_step(Color *pix, Texture *tex, size_t index) {
|
||||
static Camera2D cam = {0};
|
||||
if(!cam.zoom) cam.zoom = (float)GetRenderWidth()/RES_X;
|
||||
static int debug_color = 0;
|
||||
const Color debug_colors[] =
|
||||
{ (Color) {0xff, 0x00, 0x00, 0xff},
|
||||
(Color) {0xff, 0x00, 0xff, 0xff},
|
||||
(Color) {0x00, 0xff, 0x00, 0xff},
|
||||
(Color) {0x00, 0x00, 0xff, 0xff},
|
||||
(Color) {0x6a, 0x00, 0xff, 0xff}
|
||||
};
|
||||
const float dbg_cam_step = 100;
|
||||
const float dbg_cam_zoom = .25;
|
||||
|
||||
for(;;) {
|
||||
switch(GetKeyPressed()) {
|
||||
case KEY_UP:
|
||||
cam.offset.y += dbg_cam_step;
|
||||
break;
|
||||
case KEY_DOWN:
|
||||
cam.offset.y -= dbg_cam_step;
|
||||
break;
|
||||
case KEY_RIGHT:
|
||||
cam.offset.x += dbg_cam_step;
|
||||
break;
|
||||
case KEY_LEFT:
|
||||
cam.offset.x -= dbg_cam_step;
|
||||
break;
|
||||
case KEY_W:
|
||||
cam.zoom += dbg_cam_zoom;
|
||||
break;
|
||||
case KEY_S:
|
||||
cam.zoom -= dbg_cam_zoom;
|
||||
break;
|
||||
case KEY_ENTER:
|
||||
return;
|
||||
default:
|
||||
BeginDrawing();
|
||||
const int dbg_clrs = 32;
|
||||
uint8_t this_dbg_clr =
|
||||
((debug_color++) % dbg_clrs) * (255 / dbg_clrs);
|
||||
pix[index] =
|
||||
(Color) {this_dbg_clr, this_dbg_clr, this_dbg_clr, 255};
|
||||
BeginDrawing();
|
||||
UpdateTexture(*tex, pix);
|
||||
DrawTextureEx(*tex, (Vector2)
|
||||
{0 - cam.offset.x, cam.offset.y}, 0,
|
||||
cam.zoom, WHITE);
|
||||
EndDrawing();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
unsigned int mandelbrot_bordertrace(struct camera *cam, Color *pixels) {
|
||||
//these lookup tables r cheap cuz on the stm32f1, 1 memory read is 1 instruction
|
||||
FixedCord scale = {
|
||||
.r = DOUBLE_TO_FIXED((cam->max_r - cam->min_r) / (double)RES_X),
|
||||
.i = DOUBLE_TO_FIXED((cam->max_i - cam->min_i) / (double)RES_Y)};
|
||||
FixedCord c = {.r = 0, .i = DOUBLE_TO_FIXED(cam->max_i)};
|
||||
unsigned int total_iters = 0;
|
||||
size_t on_pixel = 0;
|
||||
|
||||
//for camera border calculations
|
||||
int32_t cam_bord_fixed_n = DOUBLE_TO_FIXED(cam->min_i);
|
||||
int32_t cam_bord_fixed_s = DOUBLE_TO_FIXED(cam->max_i);
|
||||
int32_t cam_bord_fixed_e = DOUBLE_TO_FIXED(cam->max_r);
|
||||
int32_t cam_bord_fixed_w = DOUBLE_TO_FIXED(cam->min_r);
|
||||
|
||||
|
||||
//I know this is gross, just for debugigng!
|
||||
//will clean up once I get things ironed out
|
||||
Image img = GenImageColor(RES_X, RES_Y, BLUE);
|
||||
Texture debug_tex = LoadTextureFromImage(img);
|
||||
UnloadImage(img);
|
||||
Color *debug_pix = malloc(RES_X * RES_Y * sizeof(Color));
|
||||
memcpy(debug_pix, pixels, RES_X * RES_Y * sizeof(Color));
|
||||
|
||||
|
||||
|
||||
/**
|
||||
//for keeping track of border only. will organize later
|
||||
uint8_t set[(160*80)/8] = {0};
|
||||
uint8_t unset[(160*80)/8] = {0};
|
||||
**/
|
||||
|
||||
for(int y = 0; y < RES_Y; y++) {
|
||||
c.r = DOUBLE_TO_FIXED(cam->min_r);
|
||||
for(int x = 0; x < RES_X; x++) {
|
||||
int i = iterate(c);
|
||||
total_iters += i;
|
||||
pixels[on_pixel] = get_color(i);
|
||||
|
||||
|
||||
if(i == ITERS) {
|
||||
FixedCord this_coord = c;
|
||||
size_t this_index = on_pixel;
|
||||
int nei_priority[8];
|
||||
int last_nei_priority[8];
|
||||
int last_direction = E;
|
||||
int nei_presort[8];
|
||||
|
||||
size_t backstack[BACKSTACK_SIZE];
|
||||
size_t backstack_i = 0;
|
||||
|
||||
//only really need to zero green channel
|
||||
bzero(pixels, RES_X * RES_Y * sizeof(*pixels));
|
||||
|
||||
//this is so fucking knarly
|
||||
printf("NEW BORDER\n");
|
||||
while(true) {
|
||||
//step 1: check pixels around us, fill in neighbors.
|
||||
bzero(nei_presort, sizeof(nei_presort));
|
||||
|
||||
//find if we're pushed against screen border.
|
||||
//feels gross but I don't think there's a better way
|
||||
if((this_coord.i - scale.i) < cam_bord_fixed_n) {
|
||||
for(int nei_dir = SE; nei_dir <= SW; nei_dir++)
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
else if((this_coord.i + scale.i) > cam_bord_fixed_s) {
|
||||
nei_presort[NE] = GCHAN_EXTERNAL;
|
||||
nei_presort[N] = GCHAN_EXTERNAL;
|
||||
nei_presort[NW] = GCHAN_EXTERNAL;
|
||||
}
|
||||
if((this_coord.r - scale.r) < cam_bord_fixed_w) {
|
||||
for(int nei_dir = SW; nei_dir < NW; nei_dir++)
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
else if((this_coord.r + scale.r) > cam_bord_fixed_e) {
|
||||
for(int nei_dir = NE; nei_dir < SE; nei_dir++)
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/** now fill in neighbor info based on green channel,
|
||||
* iterate if no info available.
|
||||
* if this is to slow we could flatten this; it's predictable
|
||||
* where there will be info
|
||||
**/
|
||||
// TODO replace modulos with something faster
|
||||
bool interior = true;
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir++) {
|
||||
size_t nei_i;
|
||||
uint8_t gchan_info;
|
||||
|
||||
//happens if we're pushed against the screen
|
||||
if(nei_presort[nei_dir] == GCHAN_EXTERNAL) {
|
||||
interior = false;
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
continue;
|
||||
}
|
||||
|
||||
nei_i = get_neighbor_index(this_index, nei_dir);
|
||||
gchan_info = pixels[nei_i].g;
|
||||
//note that when we move this over, there will be no alpha channel.
|
||||
//gchan_info will be extracted differently!!!
|
||||
if(gchan_info) {
|
||||
if(gchan_info & GCHAN_EXTERNAL) interior = false;
|
||||
nei_presort[nei_dir] = gchan_info;
|
||||
}
|
||||
else {
|
||||
int i = iterate(get_neighbor_coord(this_coord, nei_dir, scale));
|
||||
pixels[nei_i] = get_color(i);
|
||||
if(i == ITERS) nei_presort[nei_dir] = GCHAN_INTERNAL;
|
||||
else {
|
||||
//exterior
|
||||
interior = false;
|
||||
nei_presort[nei_dir] = GCHAN_EXTERNAL;
|
||||
}
|
||||
pixels[nei_i].g = nei_presort[nei_dir];
|
||||
}
|
||||
}
|
||||
//go back if we're in the interior and not an edge
|
||||
if(interior) {
|
||||
printf("interior\n");
|
||||
asm volatile("interior_check:");
|
||||
pixels[this_index].g = GCHAN_BLOCKED;
|
||||
//printf("bruh\n");
|
||||
memcpy(nei_priority, last_nei_priority, sizeof(nei_priority));
|
||||
nei_priority[last_direction] = -1;
|
||||
this_index = get_neighbor_index(this_index, (last_direction + 4) % 8);
|
||||
this_coord = get_neighbor_coord(
|
||||
this_coord, (last_direction + 4) % 8, scale);
|
||||
pixels[this_index].g = GCHAN_BLOCKED; //so we don't think we need to backtrack
|
||||
}
|
||||
else {
|
||||
int edge_cnt = 0;
|
||||
//sort into prioraties
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir += 2) {
|
||||
int nei_1 = nei_presort[(nei_dir + 1) % 8];
|
||||
int nei_2 = nei_presort[(nei_dir - 1) % 8];
|
||||
if((nei_presort[nei_dir] != GCHAN_INTERNAL) || ((nei_1 & nei_2) & (GCHAN_EXTERNAL | GCHAN_BLOCKED))) {
|
||||
nei_priority[nei_dir] = -1;
|
||||
}
|
||||
else if(((nei_1 ^ nei_2) & (GCHAN_INTERNAL | GCHAN_EXTERNAL)) == (GCHAN_INTERNAL | GCHAN_EXTERNAL)) {
|
||||
edge_cnt++;
|
||||
nei_priority[nei_dir] = 0;
|
||||
}
|
||||
else if(nei_1 & nei_2 & GCHAN_INTERNAL) {
|
||||
nei_priority[nei_dir] = 1;
|
||||
}
|
||||
else if(((nei_1 ^ nei_2) & (GCHAN_BLOCKED | GCHAN_EXTERNAL)) == (GCHAN_BLOCKED | GCHAN_EXTERNAL)) {
|
||||
nei_priority[nei_dir] = 2;
|
||||
}
|
||||
}
|
||||
if(edge_cnt >= 2) {
|
||||
backstack[backstack_i] = this_index;
|
||||
if(backstack_i++ > BACKSTACK_SIZE) {
|
||||
printf("max backstack\n");
|
||||
for(;;);
|
||||
}
|
||||
printf("backstack increased\n");
|
||||
}
|
||||
}
|
||||
//now go to canidate with lowest prioraty
|
||||
for(int priority = 0; priority <= 1; priority++) {
|
||||
for(int nei_dir = 0; nei_dir < 8; nei_dir += 2) {
|
||||
if(nei_priority[nei_dir] != priority) continue;
|
||||
printf("(%zu, %zu): dir %i. [", this_index % RES_X, this_index / RES_X, nei_dir);
|
||||
for(int nd = 0; nd < 8; nd++) printf("%i, ", nei_priority[nd]);
|
||||
printf("] -> ");
|
||||
|
||||
pixels[this_index].g = GCHAN_BLOCKED;
|
||||
|
||||
memcpy(last_nei_priority, nei_priority, sizeof(nei_priority));
|
||||
this_index = get_neighbor_index(this_index, nei_dir);
|
||||
this_coord = get_neighbor_coord(this_coord, nei_dir, scale);
|
||||
printf("(%zu, %zu)\n", this_index % RES_X, this_index / RES_X);
|
||||
|
||||
debug_x = this_index % RES_X;
|
||||
debug_y = this_index / RES_X;
|
||||
|
||||
//FOR VISUAL DEBUGGING- read warning on line 0!
|
||||
{
|
||||
static bool hit_debug_pix = true;
|
||||
if((debug_x == 1046) && (debug_y == 126)) hit_debug_pix = true;
|
||||
if(hit_debug_pix) debug_step(debug_pix, &debug_tex, this_index);
|
||||
}
|
||||
goto next_pixel;
|
||||
}
|
||||
}
|
||||
printf("checking backtrack stack\nThis pri:");
|
||||
for(int nd = 0; nd < 8; nd++) printf("%i, ", nei_priority[nd]);
|
||||
printf("\n");
|
||||
if(--backstack_i > BACKSTACK_SIZE) {
|
||||
printf("backstack depleated, no recovery\n");
|
||||
for(;;);
|
||||
}
|
||||
printf("%lu\n", backstack_i);
|
||||
this_index = backstack[backstack_i];
|
||||
this_coord.r = (((this_index % RES_X) / (float)RES_X) * (cam->max_r - cam->min_r)) + cam->min_r;
|
||||
this_coord.i = (((this_index / RES_X) / (float)RES_Y) * (cam->max_i - cam->min_i)) + cam->min_i;
|
||||
debug_step(debug_pix, &debug_tex, this_index);
|
||||
next_pixel:
|
||||
}
|
||||
}
|
||||
on_pixel++;
|
||||
c.r += scale.r;
|
||||
}
|
||||
c.i -= scale.i;
|
||||
}
|
||||
return total_iters;
|
||||
}
|
||||
|
||||
unsigned int mandelbrot_unoptimized(struct camera *cam, Color *pixels) {
|
||||
FixedCord scale = { .r = DOUBLE_TO_FIXED((cam->max_r - cam->min_r) / (double)RES_X), .i = DOUBLE_TO_FIXED((cam->max_i - cam->min_i) / (double)RES_Y) };
|
||||
FixedCord c = { .r = 0, .i = DOUBLE_TO_FIXED(cam->max_i) };
|
||||
unsigned int total_iters = 0;
|
||||
for(int y = 0; y < RES_Y; y++) {
|
||||
c.r = DOUBLE_TO_FIXED(cam->min_r);
|
||||
for(int x = 0; x < RES_X; x++) {
|
||||
int i = iterate(c);
|
||||
total_iters += i;
|
||||
pixels[((y * RES_X) + x)] = get_color(i);
|
||||
c.r += scale.r;
|
||||
}
|
||||
c.i -= scale.i;
|
||||
}
|
||||
return total_iters;
|
||||
}
|
||||
|
||||
void test() {
|
||||
uint8_t bitarray[(160*80)/8] = {0};
|
||||
int test_i = 9;
|
||||
BITARRAY_SET(bitarray, test_i);
|
||||
printf("%s\n", BITARRAY_CHECK(bitarray, 9) ? "true" : "false");
|
||||
}
|
||||
|
||||
int main() {
|
||||
//test();
|
||||
//return 0;
|
||||
Color *pixels = malloc(RES_X * RES_Y * sizeof(Color));
|
||||
struct camera cam = {
|
||||
.min_r = -1,
|
||||
.max_r = 1,
|
||||
// .min_i = -1,
|
||||
// .max_i = 1
|
||||
};
|
||||
cam.min_i = ((double)RES_Y / RES_X) * cam.min_r;
|
||||
cam.max_i = ((double)RES_Y / RES_X) * cam.max_r;
|
||||
InitWindow(WINDOW_SIZE_X, WINDOW_SIZE_Y, "mandelbrot fixed point test");
|
||||
|
||||
Image img = GenImageColor(RES_X, RES_Y, BLUE);
|
||||
Texture tex = LoadTextureFromImage(img);
|
||||
Texture backdrop = LoadTextureFromImage(img);
|
||||
UnloadImage(img);
|
||||
|
||||
SetTargetFPS(60);
|
||||
|
||||
|
||||
while(!WindowShouldClose()) {
|
||||
switch(GetKeyPressed()) {
|
||||
case KEY_UP:
|
||||
shift_cam(&cam, 0, STEP_SIZE);
|
||||
break;
|
||||
case KEY_DOWN:
|
||||
shift_cam(&cam, 0, -STEP_SIZE);
|
||||
break;
|
||||
case KEY_RIGHT:
|
||||
shift_cam(&cam, STEP_SIZE, 0);
|
||||
break;
|
||||
case KEY_LEFT:
|
||||
shift_cam(&cam, -STEP_SIZE, 0);
|
||||
break;
|
||||
case KEY_W:
|
||||
zoom_cam(&cam, ZOOM_SIZE);
|
||||
break;
|
||||
case KEY_S:
|
||||
zoom_cam(&cam, -ZOOM_SIZE);
|
||||
break;
|
||||
default:
|
||||
BeginDrawing();
|
||||
EndDrawing();
|
||||
continue;
|
||||
break;
|
||||
}
|
||||
printf("(%.21f, %.21f) - (%.21f, %.21f)\n", cam.min_r, cam.min_i, cam.max_r, cam.max_i);
|
||||
|
||||
printf("Unoptimized: %u iterations\n", mandelbrot_unoptimized(&cam, pixels));
|
||||
BeginDrawing();
|
||||
UpdateTexture(backdrop, pixels);
|
||||
DrawTextureEx(backdrop, (Vector2){0,0}, 0, (float)GetRenderWidth()/RES_X, WHITE);
|
||||
EndDrawing();
|
||||
|
||||
printf("Border tracing: %u iterations\n", mandelbrot_bordertrace(&cam, pixels));
|
||||
BeginDrawing();
|
||||
UpdateTexture(tex, pixels);
|
||||
DrawTextureEx(tex, (Vector2){0,0}, 0, (float)GetRenderWidth()/RES_X, WHITE);
|
||||
EndDrawing();
|
||||
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
Some files were not shown because too many files have changed in this diff Show More
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Reference in New Issue
Block a user