wehub-resource-sync
63 lines
1.8 KiB
Plaintext
63 lines
1.8 KiB
Plaintext
#version 440 core
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layout(std430) buffer;
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#ifdef INT
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layout(set=0, binding=0) uniform isampler2D uInput;
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layout(set=0, binding=1) writeonly buffer destBuffer{
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int data[];
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} uOutBuffer;
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#else
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layout(set=0, binding=0) uniform sampler2D uInput;
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layout(set=0, binding=1) writeonly buffer destBuffer{
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float data[];
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} uOutBuffer;
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#endif
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layout(set=0, binding=2) readonly uniform constBuffer{
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ivec4 size; // w, h, c, n
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ivec4 stride;
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} uConstant;
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layout(set=0, binding=3) readonly uniform offsetBuffer {
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ivec4 offset; // Offset x, y, 0, 0
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ivec4 size;//w, h, 0, w*h
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} uOffset;
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layout (local_size_x = 256, local_size_y = 1, local_size_z = 1) in;
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void main()
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{
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int posX = ivec3(gl_GlobalInvocationID).x;
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if (posX < uOffset.size.w)
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{
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ivec2 pos;
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pos.x = posX % uOffset.size.x;
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pos.y = posX / uOffset.size.x;
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#ifdef INT
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ivec4 color = texelFetch(uInput, pos, 0);
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#else
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vec4 color = texelFetch(uInput, pos, 0);
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#endif
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pos = pos + uOffset.offset.xy;
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int n = pos.y / uConstant.size.y;
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int h = pos.y % uConstant.size.y;
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int c = pos.x / uConstant.size.x;
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int w = pos.x % uConstant.size.x;
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int basicOffset = 0
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+ n * uConstant.stride.w
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+ 4 * c * uConstant.stride.z
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+ h * uConstant.stride.y
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+ w * uConstant.stride.x;
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uOutBuffer.data[basicOffset+0] = color.r;
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if (4 * c + 1 < uConstant.size.z) {
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uOutBuffer.data[basicOffset + 1 * uConstant.stride.z] = color.g;
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}
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if (4 * c + 2 < uConstant.size.z) {
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uOutBuffer.data[basicOffset + 2 * uConstant.stride.z] = color.b;
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}
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if (4 * c + 3 < uConstant.size.z) {
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uOutBuffer.data[basicOffset + 3 * uConstant.stride.z] = color.a;
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}
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}
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}
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