mitchellhansen/conways-game-of-life-gpu
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It draws!!

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MitchellHansen
2016-01-10 14:22:23 -08:00
parent d8f31d2e81
commit 1b379e095e
4 changed files with 110 additions and 60 deletions
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17
Conway_OpenCL/conway_align.cl
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@@ -1,7 +1,20 @@
__kernel void conway_align(__global unsigned char* front_grid, __global unsigned char* rear_grid, __global unsigned char* pixel_out, __global int* num_workers, __global int* grid_width, __global int* grid_height){
__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)
{
const sampler_t sampler=CLK_NORMALIZED_COORDS_FALSE | CLK_ADDRESS_CLAMP | CLK_FILTER_NEAREST;
// Caclulate the start and end range that this worker will be calculating
int data_length = *grid_width * *grid_height;
int start_range = (data_length / *num_workers) * get_global_id(0);
int end_range = (data_length / *num_workers) * (get_global_id(0) + 1);
for (int i = start_range; i < end_range; i++){
uint4 pixel;
pixel = read_imageui(front_image, sampler, (int2)(i,get_global_id(0)));
back_image[i] = pixel.w / 255;
}
}