1#include <metal_stdlib> 2#include <simd/simd.h> 3#ifdef __clang__ 4#pragma clang diagnostic ignored "-Wall" 5#endif 6using namespace metal; 7 8struct sampler2D { 9 texture2d<half> tex; 10 sampler smp; 11}; 12half4 sample(sampler2D i, float2 p, float b=0) { return i.tex.sample(i.smp, p, bias(b)); } 13half4 sample(sampler2D i, float3 p, float b=0) { return i.tex.sample(i.smp, p.xy / p.z, bias(b)); } 14half4 sampleLod(sampler2D i, float2 p, float lod) { return i.tex.sample(i.smp, p, level(lod)); } 15half4 sampleLod(sampler2D i, float3 p, float lod) { 16 return i.tex.sample(i.smp, p.xy / p.z, level(lod)); 17} 18half4 sampleGrad(sampler2D i, float2 p, float2 dPdx, float2 dPdy) { 19 return i.tex.sample(i.smp, p, gradient2d(dPdx, dPdy)); 20} 21 22struct Inputs { 23}; 24struct Outputs { 25 half4 sk_FragColor [[color(0)]]; 26}; 27struct Globals { 28 sampler2D texA; 29 sampler2D texB; 30}; 31fragment Outputs fragmentMain(Inputs _in [[stage_in]], texture2d<half> texA_Tex [[texture(1)]], sampler texA_Smplr [[sampler(1)]], texture2d<half> texB_Tex [[texture(0)]], sampler texB_Smplr [[sampler(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 32 Globals _globals{{texA_Tex, texA_Smplr}, {texB_Tex, texB_Smplr}}; 33 (void)_globals; 34 Outputs _out; 35 (void)_out; 36 _out.sk_FragColor = sample(_globals.texA, float2(0.0)) * sample(_globals.texB, float2(0.0)); 37 return _out; 38} 39