SPIRV-Cross/reference/shaders-msl-no-opt/frag/image-gather.frag
Hans-Kristian Arntzen db13762297 MSL: Fix regression in image gather handling.
It was not always possible to get backing variable for a late-combined
image sampler.
2020-11-06 16:21:30 +01:00

25 lines
687 B
GLSL

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct main0_out
{
float4 FragColor [[color(0)]];
};
struct main0_in
{
float3 vUV [[user(locn0)]];
};
fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> uSamp [[texture(0)]], depth2d<float> uSampShadow [[texture(1)]], sampler uSampSmplr [[sampler(0)]], sampler uSampShadowSmplr [[sampler(1)]])
{
main0_out out = {};
out.FragColor = uSamp.gather(uSampSmplr, in.vUV.xy, int2(0), component::x);
out.FragColor += uSamp.gather(uSampSmplr, in.vUV.xy, int2(0), component::y);
out.FragColor += uSampShadow.gather_compare(uSampShadowSmplr, in.vUV.xy, in.vUV.z);
return out;
}