38 lines
1.3 KiB
Metal
38 lines
1.3 KiB
Metal
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#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct sampler2D {
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texture2d<half> tex;
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sampler smp;
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};
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half4 sample(sampler2D i, float2 p, float b=0) { return i.tex.sample(i.smp, p, bias(b)); }
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half4 sample(sampler2D i, float3 p, float b=0) { return i.tex.sample(i.smp, p.xy / p.z, bias(b)); }
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half4 sampleLod(sampler2D i, float2 p, float lod) { return i.tex.sample(i.smp, p, level(lod)); }
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half4 sampleLod(sampler2D i, float3 p, float lod) {
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return i.tex.sample(i.smp, p.xy / p.z, level(lod));
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}
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half4 sampleGrad(sampler2D i, float2 p, float2 dPdx, float2 dPdy) {
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return i.tex.sample(i.smp, p, gradient2d(dPdx, dPdy));
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}
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struct Inputs {
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};
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struct Outputs {
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half4 sk_FragColor [[color(0)]];
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};
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struct sksl_synthetic_uniforms {
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float2 u_skRTFlip;
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};
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struct Globals {
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sampler2D t;
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};
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fragment Outputs fragmentMain(Inputs _in [[stage_in]], texture2d<half> t_Tex [[texture(0)]], sampler t_Smplr [[sampler(0)]], constant sksl_synthetic_uniforms& _anonInterface0 [[buffer(1)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
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Globals _globals{{t_Tex, t_Smplr}};
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(void)_globals;
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Outputs _out;
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(void)_out;
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_out.sk_FragColor = sampleGrad(_globals.t, coords, dfdx(coords), (_anonInterface0.u_skRTFlip.y * dfdy(coords)));
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return _out;
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}
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