SPIRV-Cross/reference/shaders-msl/frag/barycentric-nv-nopersp.msl22.frag
2019-09-24 14:35:25 -04:00

73 lines
1.7 KiB
GLSL

#pragma clang diagnostic ignored "-Wmissing-prototypes"
#pragma clang diagnostic ignored "-Wmissing-braces"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
template<typename T, size_t Num>
struct spvUnsafeArray
{
T elements[Num ? Num : 1];
thread T& operator [] (size_t pos) thread
{
return elements[pos];
}
constexpr const thread T& operator [] (size_t pos) const thread
{
return elements[pos];
}
device T& operator [] (size_t pos) device
{
return elements[pos];
}
constexpr const device T& operator [] (size_t pos) const device
{
return elements[pos];
}
constexpr const constant T& operator [] (size_t pos) const constant
{
return elements[pos];
}
threadgroup T& operator [] (size_t pos) threadgroup
{
return elements[pos];
}
constexpr const threadgroup T& operator [] (size_t pos) const threadgroup
{
return elements[pos];
}
};
struct Vertices
{
spvUnsafeArray<float2, 1> uvs;
};
struct main0_out
{
float2 value [[color(0)]];
};
struct main0_in
{
float3 gl_BaryCoordNoPerspNV [[barycentric_coord, center_no_perspective]];
};
fragment main0_out main0(main0_in in [[stage_in]], const device Vertices& _19 [[buffer(0)]], uint gl_PrimitiveID [[primitive_id]])
{
main0_out out = {};
int prim = int(gl_PrimitiveID);
float2 uv0 = _19.uvs[(3 * prim) + 0];
float2 uv1 = _19.uvs[(3 * prim) + 1];
float2 uv2 = _19.uvs[(3 * prim) + 2];
out.value = ((uv0 * in.gl_BaryCoordNoPerspNV.x) + (uv1 * in.gl_BaryCoordNoPerspNV.y)) + (uv2 * in.gl_BaryCoordNoPerspNV.z);
return out;
}