SPIRV-Cross/reference/opt/shaders-msl/asm/frag/single-function-private-lut.asm.frag
Hans-Kristian Arntzen 3e584f2c3f Support LUTs in single-function CFGs on Private storage class.
Fairly common pattern in unoptimized SPIR-V. Support this case as well.
2019-02-06 10:38:59 +01:00

41 lines
802 B
GLSL

#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct myType
{
float data;
};
constant myType _21[5] = { myType{ 0.0 }, myType{ 1.0 }, myType{ 0.0 }, myType{ 1.0 }, myType{ 0.0 } };
struct main0_out
{
float4 o_color [[color(0)]];
};
// Implementation of the GLSL mod() function, which is slightly different than Metal fmod()
template<typename Tx, typename Ty>
Tx mod(Tx x, Ty y)
{
return x - y * floor(x / y);
}
fragment main0_out main0(float4 gl_FragCoord [[position]])
{
main0_out out = {};
if (_21[int(mod(gl_FragCoord.x, 4.0))].data > 0.0)
{
out.o_color = float4(0.0, 1.0, 0.0, 1.0);
}
else
{
out.o_color = float4(1.0, 0.0, 0.0, 1.0);
}
return out;
}