restartingHEADmaster

1 files changed, 26 insertions, 0 deletions

diff --git a/field_tests/kernel.c b/field_tests/kernel.c
new file mode 100644
index 0000000..08b9137
--- /dev/null
+++ b/field_tests/kernel.c
@@ -0,0 +1,26 @@
+__kernel void basic_test() {
+  printf("this cores ID: (%lu, %lu)\n", get_global_id(0), get_global_id(1));
+}
+
+__kernel void render_frame(__global unsigned int *frame_output,
+    double x_step, double y_step,
+    double x_start, double y_start,
+    unsigned int iterations, unsigned int escape, double ratio) {  
+  unsigned int result;
+  double on_x = (get_global_id(0) * x_step) + x_start;
+  double on_y = (get_global_id(1) * y_step) + y_start;
+  double next_x;
+  unsigned int iter;
+
+  orig_x = on_x;
+  orig_y = on_y;
+  for(iter = 0; iter < iterations; iter++) { 
+    if(orig_x == 123 && orig_y == 5) printf("%d, %d\n", orig_x,orig_y);
+    next_x = on_x / sin(on_y);
+    on_y = on_y / sin(on_x);
+    on_x = next_x;
+    if((pow(on_x, 2) + pow(on_y, 2)) >= escape) break;
+  }
+  
+  frame_output[(get_global_id(1) * get_global_size(1)) + get_global_id(0)] = iter;
+}