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23 lines
791 B
23 lines
791 B
__kernel void conway_align(__read_only image2d_t front_image, __global char* back_image, __global int* num_workers, __global int* grid_width, __global int *grid_height)
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{
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const sampler_t sampler = CLK_NORMALIZED_COORDS_FALSE | CLK_ADDRESS_NONE | CLK_FILTER_NEAREST;
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// Caclulate the start and end range that this worker will be calculating
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int data_length = *grid_width * *grid_height;
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int start_range = (data_length / *num_workers) * get_global_id(0);
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int end_range = (data_length / *num_workers) * (get_global_id(0) + 1);
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for (int i = start_range; i < end_range; i++){
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int2 pixelcoord = (int2) (i % *grid_width, i / *grid_height);
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int4 pixel;
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pixel = read_imagei(front_image, sampler, pixelcoord);
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char q = pixel.w / 255;
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back_image[i] = pixel.w / 255;
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}
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} |