7ab3f3f74e
There is no good reason for applications to emit this kind of code, but some do. Special case this scenario.
205 lines
11 KiB
GLSL
205 lines
11 KiB
GLSL
#pragma clang diagnostic ignored "-Wmissing-prototypes"
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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 main0_out
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{
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float4 fragColor [[color(0)]];
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};
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// Returns 2D texture coords corresponding to 1D texel buffer coords
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static inline __attribute__((always_inline))
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uint2 spvTexelBufferCoord(uint tc)
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{
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return uint2(tc % 4096, tc / 4096);
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}
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template<typename T> struct spvRemoveReference { typedef T type; };
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template<typename T> struct spvRemoveReference<thread T&> { typedef T type; };
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template<typename T> struct spvRemoveReference<thread T&&> { typedef T type; };
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template<typename T> inline constexpr thread T&& spvForward(thread typename spvRemoveReference<T>::type& x)
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{
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return static_cast<thread T&&>(x);
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}
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template<typename T> inline constexpr thread T&& spvForward(thread typename spvRemoveReference<T>::type&& x)
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{
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return static_cast<thread T&&>(x);
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}
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enum class spvSwizzle : uint
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{
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none = 0,
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zero,
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one,
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red,
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green,
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blue,
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alpha
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};
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template<typename T>
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inline T spvGetSwizzle(vec<T, 4> x, T c, spvSwizzle s)
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{
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switch (s)
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{
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case spvSwizzle::none:
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return c;
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case spvSwizzle::zero:
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return 0;
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case spvSwizzle::one:
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return 1;
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case spvSwizzle::red:
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return x.r;
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case spvSwizzle::green:
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return x.g;
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case spvSwizzle::blue:
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return x.b;
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case spvSwizzle::alpha:
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return x.a;
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}
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}
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// Wrapper function that swizzles texture samples and fetches.
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template<typename T>
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inline vec<T, 4> spvTextureSwizzle(vec<T, 4> x, uint s)
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{
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if (!s)
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return x;
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return vec<T, 4>(spvGetSwizzle(x, x.r, spvSwizzle((s >> 0) & 0xFF)), spvGetSwizzle(x, x.g, spvSwizzle((s >> 8) & 0xFF)), spvGetSwizzle(x, x.b, spvSwizzle((s >> 16) & 0xFF)), spvGetSwizzle(x, x.a, spvSwizzle((s >> 24) & 0xFF)));
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}
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template<typename T>
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inline T spvTextureSwizzle(T x, uint s)
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{
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return spvTextureSwizzle(vec<T, 4>(x, 0, 0, 1), s).x;
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}
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// Wrapper function that swizzles texture gathers.
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template<typename T, template<typename, access = access::sample, typename = void> class Tex, typename... Ts>
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inline vec<T, 4> spvGatherSwizzle(const thread Tex<T>& t, sampler s, uint sw, component c, Ts... params) METAL_CONST_ARG(c)
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{
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if (sw)
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{
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switch (spvSwizzle((sw >> (uint(c) * 8)) & 0xFF))
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{
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case spvSwizzle::none:
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break;
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case spvSwizzle::zero:
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return vec<T, 4>(0, 0, 0, 0);
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case spvSwizzle::one:
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return vec<T, 4>(1, 1, 1, 1);
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case spvSwizzle::red:
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return t.gather(s, spvForward<Ts>(params)..., component::x);
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case spvSwizzle::green:
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return t.gather(s, spvForward<Ts>(params)..., component::y);
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case spvSwizzle::blue:
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return t.gather(s, spvForward<Ts>(params)..., component::z);
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case spvSwizzle::alpha:
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return t.gather(s, spvForward<Ts>(params)..., component::w);
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}
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}
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switch (c)
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{
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case component::x:
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return t.gather(s, spvForward<Ts>(params)..., component::x);
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case component::y:
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return t.gather(s, spvForward<Ts>(params)..., component::y);
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case component::z:
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return t.gather(s, spvForward<Ts>(params)..., component::z);
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case component::w:
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return t.gather(s, spvForward<Ts>(params)..., component::w);
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}
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}
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// Wrapper function that swizzles depth texture gathers.
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template<typename T, template<typename, access = access::sample, typename = void> class Tex, typename... Ts>
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inline vec<T, 4> spvGatherCompareSwizzle(const thread Tex<T>& t, sampler s, uint sw, Ts... params)
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{
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if (sw)
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{
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switch (spvSwizzle(sw & 0xFF))
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{
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case spvSwizzle::none:
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case spvSwizzle::red:
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break;
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case spvSwizzle::zero:
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case spvSwizzle::green:
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case spvSwizzle::blue:
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case spvSwizzle::alpha:
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return vec<T, 4>(0, 0, 0, 0);
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case spvSwizzle::one:
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return vec<T, 4>(1, 1, 1, 1);
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}
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}
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return t.gather_compare(s, spvForward<Ts>(params)...);
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}
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static inline __attribute__((always_inline))
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float4 do_samples(thread const texture1d<float> t1, thread const sampler t1Smplr, constant uint& t1Swzl, thread const texture2d<float> t2, constant uint& t2Swzl, thread const texture3d<float> t3, thread const sampler t3Smplr, constant uint& t3Swzl, thread const texturecube<float> tc, constant uint& tcSwzl, thread const texture2d_array<float> t2a, thread const sampler t2aSmplr, constant uint& t2aSwzl, thread const texturecube_array<float> tca, thread const sampler tcaSmplr, constant uint& tcaSwzl, thread const texture2d<float> tb, thread const depth2d<float> d2, thread const sampler d2Smplr, constant uint& d2Swzl, thread const depthcube<float> dc, thread const sampler dcSmplr, constant uint& dcSwzl, thread const depth2d_array<float> d2a, constant uint& d2aSwzl, thread const depthcube_array<float> dca, thread const sampler dcaSmplr, constant uint& dcaSwzl, thread sampler defaultSampler, thread sampler shadowSampler)
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{
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float4 c = spvTextureSwizzle(t1.sample(t1Smplr, 0.0), t1Swzl);
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c = spvTextureSwizzle(t2.sample(defaultSampler, float2(0.0)), t2Swzl);
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c = spvTextureSwizzle(t3.sample(t3Smplr, float3(0.0)), t3Swzl);
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c = spvTextureSwizzle(tc.sample(defaultSampler, float3(0.0)), tcSwzl);
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c = spvTextureSwizzle(t2a.sample(t2aSmplr, float3(0.0).xy, uint(round(float3(0.0).z))), t2aSwzl);
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c = spvTextureSwizzle(tca.sample(tcaSmplr, float4(0.0).xyz, uint(round(float4(0.0).w))), tcaSwzl);
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c.x = spvTextureSwizzle(d2.sample_compare(d2Smplr, float3(0.0, 0.0, 1.0).xy, 1.0), d2Swzl);
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c.x = spvTextureSwizzle(dc.sample_compare(dcSmplr, float4(0.0, 0.0, 0.0, 1.0).xyz, 1.0), dcSwzl);
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c.x = spvTextureSwizzle(d2a.sample_compare(shadowSampler, float4(0.0, 0.0, 0.0, 1.0).xy, uint(round(float4(0.0, 0.0, 0.0, 1.0).z)), 1.0), d2aSwzl);
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c.x = spvTextureSwizzle(dca.sample_compare(dcaSmplr, float4(0.0).xyz, uint(round(float4(0.0).w)), 1.0), dcaSwzl);
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c = spvTextureSwizzle(t1.sample(t1Smplr, float2(0.0, 1.0).x / float2(0.0, 1.0).y), t1Swzl);
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c = spvTextureSwizzle(t2.sample(defaultSampler, float3(0.0, 0.0, 1.0).xy / float3(0.0, 0.0, 1.0).z), t2Swzl);
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c = spvTextureSwizzle(t3.sample(t3Smplr, float4(0.0, 0.0, 0.0, 1.0).xyz / float4(0.0, 0.0, 0.0, 1.0).w), t3Swzl);
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float4 _119 = float4(0.0, 0.0, 1.0, 1.0);
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_119.z = 1.0;
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c.x = spvTextureSwizzle(d2.sample_compare(d2Smplr, _119.xy / _119.z, 1.0 / _119.z), d2Swzl);
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c = spvTextureSwizzle(t1.sample(t1Smplr, 0.0), t1Swzl);
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c = spvTextureSwizzle(t2.sample(defaultSampler, float2(0.0), level(0.0)), t2Swzl);
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c = spvTextureSwizzle(t3.sample(t3Smplr, float3(0.0), level(0.0)), t3Swzl);
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c = spvTextureSwizzle(tc.sample(defaultSampler, float3(0.0), level(0.0)), tcSwzl);
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c = spvTextureSwizzle(t2a.sample(t2aSmplr, float3(0.0).xy, uint(round(float3(0.0).z)), level(0.0)), t2aSwzl);
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c = spvTextureSwizzle(tca.sample(tcaSmplr, float4(0.0).xyz, uint(round(float4(0.0).w)), level(0.0)), tcaSwzl);
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c.x = spvTextureSwizzle(d2.sample_compare(d2Smplr, float3(0.0, 0.0, 1.0).xy, 1.0, level(0.0)), d2Swzl);
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c = spvTextureSwizzle(t1.sample(t1Smplr, float2(0.0, 1.0).x / float2(0.0, 1.0).y), t1Swzl);
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c = spvTextureSwizzle(t2.sample(defaultSampler, float3(0.0, 0.0, 1.0).xy / float3(0.0, 0.0, 1.0).z, level(0.0)), t2Swzl);
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c = spvTextureSwizzle(t3.sample(t3Smplr, float4(0.0, 0.0, 0.0, 1.0).xyz / float4(0.0, 0.0, 0.0, 1.0).w, level(0.0)), t3Swzl);
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float4 _153 = float4(0.0, 0.0, 1.0, 1.0);
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_153.z = 1.0;
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c.x = spvTextureSwizzle(d2.sample_compare(d2Smplr, _153.xy / _153.z, 1.0 / _153.z, level(0.0)), d2Swzl);
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c = spvTextureSwizzle(t1.read(uint(0)), t1Swzl);
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c = spvTextureSwizzle(t2.read(uint2(int2(0)), 0), t2Swzl);
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c = spvTextureSwizzle(t3.read(uint3(int3(0)), 0), t3Swzl);
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c = spvTextureSwizzle(t2a.read(uint2(int3(0).xy), uint(int3(0).z), 0), t2aSwzl);
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c = tb.read(spvTexelBufferCoord(0));
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c = spvGatherSwizzle(t2, defaultSampler, t2Swzl, component::x, float2(0.0), int2(0));
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c = spvGatherSwizzle(tc, defaultSampler, tcSwzl, component::y, float3(0.0));
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c = spvGatherSwizzle(t2a, t2aSmplr, t2aSwzl, component::z, float3(0.0).xy, uint(round(float3(0.0).z)), int2(0));
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c = spvGatherSwizzle(tca, tcaSmplr, tcaSwzl, component::w, float4(0.0).xyz, uint(round(float4(0.0).w)));
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c = spvGatherCompareSwizzle(d2, d2Smplr, d2Swzl, float2(0.0), 1.0);
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c = spvGatherCompareSwizzle(dc, dcSmplr, dcSwzl, float3(0.0), 1.0);
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c = spvGatherCompareSwizzle(d2a, shadowSampler, d2aSwzl, float3(0.0).xy, uint(round(float3(0.0).z)), 1.0);
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c = spvGatherCompareSwizzle(dca, dcaSmplr, dcaSwzl, float4(0.0).xyz, uint(round(float4(0.0).w)), 1.0);
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return c;
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}
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fragment main0_out main0(constant uint* spvSwizzleConstants [[buffer(30)]], texture1d<float> tex1d [[texture(0)]], texture2d<float> tex2d [[texture(1)]], texture3d<float> tex3d [[texture(2)]], texturecube<float> texCube [[texture(3)]], texture2d_array<float> tex2dArray [[texture(4)]], texturecube_array<float> texCubeArray [[texture(5)]], texture2d<float> texBuffer [[texture(6)]], depth2d<float> depth2d [[texture(7)]], depthcube<float> depthCube [[texture(8)]], depth2d_array<float> depth2dArray [[texture(9)]], depthcube_array<float> depthCubeArray [[texture(10)]], sampler defaultSampler [[sampler(0)]], sampler shadowSampler [[sampler(1)]], sampler tex1dSmplr [[sampler(2)]], sampler tex3dSmplr [[sampler(3)]], sampler tex2dArraySmplr [[sampler(4)]], sampler texCubeArraySmplr [[sampler(5)]], sampler depth2dSmplr [[sampler(6)]], sampler depthCubeSmplr [[sampler(7)]], sampler depthCubeArraySmplr [[sampler(8)]])
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{
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main0_out out = {};
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constant uint& tex1dSwzl = spvSwizzleConstants[0];
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constant uint& tex2dSwzl = spvSwizzleConstants[1];
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constant uint& tex3dSwzl = spvSwizzleConstants[2];
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constant uint& texCubeSwzl = spvSwizzleConstants[3];
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constant uint& tex2dArraySwzl = spvSwizzleConstants[4];
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constant uint& texCubeArraySwzl = spvSwizzleConstants[5];
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constant uint& depth2dSwzl = spvSwizzleConstants[7];
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constant uint& depthCubeSwzl = spvSwizzleConstants[8];
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constant uint& depth2dArraySwzl = spvSwizzleConstants[9];
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constant uint& depthCubeArraySwzl = spvSwizzleConstants[10];
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out.fragColor = do_samples(tex1d, tex1dSmplr, tex1dSwzl, tex2d, tex2dSwzl, tex3d, tex3dSmplr, tex3dSwzl, texCube, texCubeSwzl, tex2dArray, tex2dArraySmplr, tex2dArraySwzl, texCubeArray, texCubeArraySmplr, texCubeArraySwzl, texBuffer, depth2d, depth2dSmplr, depth2dSwzl, depthCube, depthCubeSmplr, depthCubeSwzl, depth2dArray, depth2dArraySwzl, depthCubeArray, depthCubeArraySmplr, depthCubeArraySwzl, defaultSampler, shadowSampler);
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return out;
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}
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