generated from Persson-dev/OpenGLComputeShader
matrix values cpu side
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@@ -4,6 +4,10 @@ layout(std430, binding = 3) buffer layoutName {
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float o_Points[];
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};
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const uint transformationCount = 3;
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layout(location = 1) uniform mat4 transformations[transformationCount];
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layout(local_size_x = 64) in;
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highp float rand(vec2 co)
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@@ -27,24 +31,12 @@ void store(vec3 vect, uint index) {
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}
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void main() {
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const uint total = gl_NumWorkGroups.x * gl_WorkGroupSize.x;
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uint currentIndex = gl_GlobalInvocationID.x;
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vec3 currentPoint = unpack(currentIndex);
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uint index = uint(rand(currentPoint.xy + currentPoint.z + currentIndex) * 69);
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mat4 transformation;
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switch (index % 3) {
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case 0:
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transformation = mat4(0.5, 0, 0, 0, 0, 0.5, 0, 0, 0, 0, 0, 0, 0, 0.36, 0, 1);
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break;
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mat4 transformation = transformations[index % transformationCount];
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case 1:
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transformation = mat4(0.5, 0, 0, 0, 0, 0.5, 0, 0, 0, 0, 0, 0, -0.5, -0.5, 0, 1);
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break;
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case 2:
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transformation = mat4(0.5, 0, 0, 0, 0, 0.5, 0, 0, 0, 0, 0, 0, 0.5, -0.5, 0, 1);
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break;
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}
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vec3 result = (transformation * vec4(currentPoint, 1.0)).xyz;
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store(result, currentIndex);
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}
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