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18 lines
580 B
18 lines
580 B
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kernel void initialize(size_t width, size_t height, write_only image2d_t output){
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size_t x = get_global_id(0);
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size_t y = get_global_id(1);
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int2 coord = {x, y};
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uint4 color = {255 * x / (width - 1), 255 * y / (height - 1), 0, 255};
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write_imageui(output, coord, color);
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}
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kernel void square(global float* input, size_t width, global float* output){
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size_t x = get_global_id(0);
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size_t y = get_global_id(1);
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float i = 2.0 * (input[x + width*y] - 0.5);
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output[x + width*y] = 0.5 + 0.5*sin((1.0 - i) * sin(i*i + 6.2*float(x)/width) + cos(1.0/i + 6.2*float(y)/width));
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}
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