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c3a5716a95
* Add copy dependency for some incompatible texture formats * Simplify compatibility check
31 lines
867 B
Plaintext
31 lines
867 B
Plaintext
#version 450 core
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layout (std140, binding = 0) uniform ratio_in
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{
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int ratio;
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};
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layout (set = 2, binding = 0) uniform usampler2D src;
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layout (set = 3, binding = 0) writeonly uniform uimage2D dst;
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layout (local_size_x = 32, local_size_y = 32, local_size_z = 1) in;
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void main()
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{
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uvec2 coords = gl_GlobalInvocationID.xy;
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ivec2 imageSz = imageSize(dst);
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if (int(coords.x) >= imageSz.x || int(coords.y) >= imageSz.y)
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{
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return;
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}
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uvec2 srcCoords = uvec2(coords.x << ratio, coords.y);
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uint r = texelFetchOffset(src, ivec2(srcCoords), 0, ivec2(0, 0)).r;
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uint g = texelFetchOffset(src, ivec2(srcCoords), 0, ivec2(1, 0)).r;
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uint b = texelFetchOffset(src, ivec2(srcCoords), 0, ivec2(2, 0)).r;
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uint a = texelFetchOffset(src, ivec2(srcCoords), 0, ivec2(3, 0)).r;
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imageStore(dst, ivec2(coords), uvec4(r, g, b, a));
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} |