SPIRV-Cross/reference/shaders-msl/frag/constant-composites.frag
2018-02-08 17:58:46 +01:00

51 lines
1.1 KiB
GLSL

#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Foo
{
float a;
float b;
};
constant float _16[4] = {1.0, 4.0, 3.0, 2.0};
constant Foo _28[2] = {{10.0, 20.0}, {30.0, 40.0}};
struct main0_in
{
int line [[user(locn0)]];
};
struct main0_out
{
float4 FragColor [[color(0)]];
};
// Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
template<typename T, uint N>
void spvArrayCopy(thread T (&dst)[N], thread const T (&src)[N])
{
for (uint i = 0; i < N; dst[i] = src[i], i++);
}
// An overload for constant arrays.
template<typename T, uint N>
void spvArrayCopyConstant(thread T (&dst)[N], constant T (&src)[N])
{
for (uint i = 0; i < N; dst[i] = src[i], i++);
}
fragment main0_out main0(main0_in in [[stage_in]])
{
main0_out out = {};
float lut[4] = {1.0, 4.0, 3.0, 2.0};
Foo foos[2] = {{10.0, 20.0}, {30.0, 40.0}};
out.FragColor = float4(lut[in.line]);
out.FragColor += float4(foos[in.line].a * (foos[1 - in.line].a));
return out;
}