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https://github.com/libretro/RetroArch
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27 lines
661 B
GLSL
27 lines
661 B
GLSL
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#pragma clang diagnostic ignored "-Wmissing-prototypes"
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#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct main0_out
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{
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float4 FragColor [[color(0)]];
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};
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// Returns 2D texture coords corresponding to 1D texel buffer coords
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uint2 spvTexelBufferCoord(uint tc)
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{
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return uint2(tc % 4096, tc / 4096);
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}
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fragment main0_out main0(texture2d<float> buf [[texture(0)]], texture2d<float, access::write> bufOut [[texture(1)]], float4 gl_FragCoord [[position]])
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{
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main0_out out = {};
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out.FragColor = buf.read(spvTexelBufferCoord(0));
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bufOut.write(out.FragColor, spvTexelBufferCoord(int(gl_FragCoord.x)));
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return out;
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}
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