SPIRV-Cross/reference/shaders-msl/frag/constant-composites.frag
2018-09-12 09:54:55 +02:00

50 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] = { Foo{ 10.0, 20.0 }, Foo{ 30.0, 40.0 } };
struct main0_out
{
float4 FragColor [[color(0)]];
};
struct main0_in
{
int line [[user(locn0)]];
};
// Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
template<typename T, uint N>
void spvArrayCopyFromStack1(thread T (&dst)[N], thread const T (&src)[N])
{
for (uint i = 0; i < N; dst[i] = src[i], i++);
}
template<typename T, uint N>
void spvArrayCopyFromConstant1(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] = { Foo{ 10.0, 20.0 }, Foo{ 30.0, 40.0 } };
out.FragColor = float4(lut[in.line]);
out.FragColor += float4(foos[in.line].a * foos[1 - in.line].a);
return out;
}