95 lines
2.2 KiB
GLSL
95 lines
2.2 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 main0_out
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{
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float4 FragColor_0 [[color(0)]];
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float4 FragColor_1 [[color(1)]];
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float4 FragColor_2 [[color(2)]];
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float4 FragColor_3 [[color(3)]];
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};
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struct main0_in
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{
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float4 vA [[user(locn0)]];
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float4 vB [[user(locn1)]];
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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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static inline __attribute__((always_inline))
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void write_deeper_in_function(thread spvUnsafeArray<float4, 4> (&FragColor), thread float4& vA, thread float4& vB)
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{
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FragColor[3] = vA * vB;
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}
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static inline __attribute__((always_inline))
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void write_in_function(thread spvUnsafeArray<float4, 4> (&FragColor), thread float4& vA, thread float4& vB)
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{
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FragColor[2] = vA - vB;
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write_deeper_in_function(FragColor, vA, vB);
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}
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fragment main0_out main0(main0_in in [[stage_in]])
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{
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main0_out out = {};
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spvUnsafeArray<float4, 4> FragColor = {};
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FragColor[0] = mod(in.vA, in.vB);
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FragColor[1] = in.vA + in.vB;
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write_in_function(FragColor, in.vA, in.vB);
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out.FragColor_0 = FragColor[0];
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out.FragColor_1 = FragColor[1];
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out.FragColor_2 = FragColor[2];
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out.FragColor_3 = FragColor[3];
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return out;
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}
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