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Added zooming and scrolling, everything draws nicely now

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MitchellHansen
2017-03-31 22:14:14 -07:00
parent 2dfed7958a
commit ed651853f6
4 changed files with 53 additions and 31 deletions
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11
kernels/mandlebrot.cl
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@@ -21,7 +21,7 @@ __kernel void mandlebrot (
float y = 0.0;
int iteration_count = 0;
int interation_threshold = 1000;
int interation_threshold = 2000;
while (x*x + y*y < 4 && iteration_count < interation_threshold) {
float x_temp = x*x - y*y + x0;
@@ -31,8 +31,15 @@ __kernel void mandlebrot (
}
int val = scale(iteration_count, 0, 1000, 0, 16777216);
//printf("%i", ((val >> 8) & 0xff));
write_imagef(image, pixel, (float4)(val & 0xff, (val >> 8) & 0xff, (val >> 16) & 0xff, 200));
float r = scale((val & 0xff), 0, 255, 0, 1);
float g = scale((val >> 8) & 0xff, 0, 255, 0, 1);
float b = scale((val >> 16) & 0xff, 0, 255, 0, 1);
// write_imagei(image, pixel, (int4)((val & 0xff), ((val >> 8) & 0xff), ((val >> 16) & 0xff), 200));
write_imagef(image, pixel, (float4)(r, g, b, 200));
return;