80 lines
1.7 KiB
GLSL
80 lines
1.7 KiB
GLSL
#pragma clang diagnostic ignored "-Wmissing-prototypes"
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#pragma clang diagnostic ignored "-Wmissing-braces"
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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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template<typename T, size_t Num>
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struct spvUnsafeArray
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{
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T elements[Num ? Num : 1];
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thread T& operator [] (size_t pos) thread
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{
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return elements[pos];
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}
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constexpr const thread T& operator [] (size_t pos) const thread
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{
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return elements[pos];
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}
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device T& operator [] (size_t pos) device
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{
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return elements[pos];
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}
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constexpr const device T& operator [] (size_t pos) const device
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{
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return elements[pos];
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}
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constexpr const constant T& operator [] (size_t pos) const constant
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{
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return elements[pos];
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}
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threadgroup T& operator [] (size_t pos) threadgroup
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{
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return elements[pos];
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}
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constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
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{
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return elements[pos];
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}
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};
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struct myType
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{
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float data;
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};
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struct main0_out
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{
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float4 o_color [[color(0)]];
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};
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// Implementation of the GLSL mod() function, which is slightly different than Metal fmod()
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template<typename Tx, typename Ty>
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inline Tx mod(Tx x, Ty y)
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{
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return x - y * floor(x / y);
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}
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fragment main0_out main0(float4 gl_FragCoord [[position]])
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{
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spvUnsafeArray<myType, 5> _21 = spvUnsafeArray<myType, 5>({ myType{ 0.0 }, myType{ 1.0 }, myType{ 0.0 }, myType{ 1.0 }, myType{ 0.0 } });
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main0_out out = {};
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if (_21[int(mod(gl_FragCoord.x, 4.0))].data > 0.0)
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{
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out.o_color = float4(0.0, 1.0, 0.0, 1.0);
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}
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else
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{
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out.o_color = float4(1.0, 0.0, 0.0, 1.0);
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}
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return out;
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}
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