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28 lines
817 B
28 lines
817 B
constant sampler_t sampler = CLK_NORMALIZED_COORDS_FALSE |
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CLK_ADDRESS_CLAMP_TO_EDGE |
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CLK_FILTER_LINEAR;
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struct input
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{
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int test;
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};
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kernel void BWConvertor(read_only image2d_t frame, read_write image2d_t outImage, struct input params) {
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int2 gid = (int2)(get_global_id(0), get_global_id(1));
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int2 size = get_image_dim(frame);
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if(all(gid < size)){
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uint4 pixel = read_imageui(frame, sampler, gid);
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float4 color = convert_float4(pixel) / 255;
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//color.xyz = 0.2126*color.x + 0.7152*color.y + 0.0722*color.z;
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int a = 0.3*pixel.x + 0.59*pixel.y + 0.11*pixel.z;
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pixel.x = a;
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pixel.y = a;
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pixel.z = a;
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write_imageui(outImage, gid, pixel);
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}
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}
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