SPIRV-Cross/reference/shaders-msl/frag/helper-invocation.msl21.frag

40 lines
892 B
GLSL

#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct main0_out
{
float4 FragColor [[color(0)]];
};
struct main0_in
{
float2 vUV [[user(locn0)]];
};
inline float4 foo(thread bool& gl_HelperInvocation, thread texture2d<float> uSampler, thread const sampler uSamplerSmplr, thread float2& vUV)
{
float4 color;
if (!gl_HelperInvocation)
{
color = uSampler.sample(uSamplerSmplr, vUV, level(0.0));
}
else
{
color = float4(1.0);
}
return color;
}
fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> uSampler [[texture(0)]], sampler uSamplerSmplr [[sampler(0)]])
{
main0_out out = {};
bool gl_HelperInvocation = simd_is_helper_thread();
out.FragColor = foo(gl_HelperInvocation, uSampler, uSamplerSmplr, in.vUV);
return out;
}