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https://github.com/KhronosGroup/glslang
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34 lines
980 B
GLSL
34 lines
980 B
GLSL
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#version 420
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// Need this extension to permit passing a formatless readonly image to a helper function.
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#extension GL_EXT_shader_image_load_formatted : require
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readonly coherent uniform layout(set = 0, binding = 0) image2D image1;
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readonly uniform layout(set = 0, binding = 2) image2D image2;
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writeonly coherent uniform layout(set = 0, binding = 1, rgba32f) image2D image3;
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writeonly uniform layout(set = 0, binding = 3, rgba16f) image2D image4;
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flat in layout(location = 0) ivec2 in_coords;
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out layout(location = 0) vec4 out_color;
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vec4 image_load(readonly coherent image2D image, ivec2 coords)
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{
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return imageLoad(image, in_coords);
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}
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void image_store(writeonly coherent image2D image, ivec2 coords, vec4 data)
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{
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imageStore(image, in_coords, data);
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}
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void main()
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{
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vec4 read1 = image_load(image1, in_coords);
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vec4 read2 = image_load(image2, in_coords);
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image_store(image3, in_coords, read1*0.5);
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image_store(image4, in_coords, read2*2.0);
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out_color = vec4(0.0);
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}
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