| #include <metal_stdlib> | 
 |  | 
 | using namespace metal; | 
 |  | 
 | template<typename T, size_t N> | 
 | struct tint_array { | 
 |     const constant T& operator[](size_t i) const constant { return elements[i]; } | 
 |     device T& operator[](size_t i) device { return elements[i]; } | 
 |     const device T& operator[](size_t i) const device { return elements[i]; } | 
 |     thread T& operator[](size_t i) thread { return elements[i]; } | 
 |     const thread T& operator[](size_t i) const thread { return elements[i]; } | 
 |     threadgroup T& operator[](size_t i) threadgroup { return elements[i]; } | 
 |     const threadgroup T& operator[](size_t i) const threadgroup { return elements[i]; } | 
 |     T elements[N]; | 
 | }; | 
 |  | 
 | struct tint_packed_vec3_f32_array_element { | 
 |   /* 0x0000 */ packed_float3 elements; | 
 |   /* 0x000c */ tint_array<int8_t, 4> tint_pad; | 
 | }; | 
 |  | 
 | struct GammaTransferParams { | 
 |   /* 0x0000 */ float G; | 
 |   /* 0x0004 */ float A; | 
 |   /* 0x0008 */ float B; | 
 |   /* 0x000c */ float C; | 
 |   /* 0x0010 */ float D; | 
 |   /* 0x0014 */ float E; | 
 |   /* 0x0018 */ float F; | 
 |   /* 0x001c */ uint padding; | 
 | }; | 
 |  | 
 | struct ExternalTextureParams_tint_packed_vec3 { | 
 |   /* 0x0000 */ uint numPlanes; | 
 |   /* 0x0004 */ uint doYuvToRgbConversionOnly; | 
 |   /* 0x0008 */ tint_array<int8_t, 8> tint_pad_1; | 
 |   /* 0x0010 */ float3x4 yuvToRgbConversionMatrix; | 
 |   /* 0x0040 */ GammaTransferParams gammaDecodeParams; | 
 |   /* 0x0060 */ GammaTransferParams gammaEncodeParams; | 
 |   /* 0x0080 */ tint_array<tint_packed_vec3_f32_array_element, 3> gamutConversionMatrix; | 
 |   /* 0x00b0 */ float3x2 coordTransformationMatrix; | 
 |   /* 0x00c8 */ tint_array<int8_t, 8> tint_pad_2; | 
 | }; | 
 |  | 
 | float3x3 tint_unpack_vec3_in_composite(tint_array<tint_packed_vec3_f32_array_element, 3> in) { | 
 |   float3x3 result = float3x3(0.0f); | 
 |   for(uint i = 0u; (i < 3u); i = (i + 1u)) { | 
 |     result[i] = float3(in[i].elements); | 
 |   } | 
 |   return result; | 
 | } | 
 |  | 
 | struct ExternalTextureParams { | 
 |   uint numPlanes; | 
 |   uint doYuvToRgbConversionOnly; | 
 |   float3x4 yuvToRgbConversionMatrix; | 
 |   GammaTransferParams gammaDecodeParams; | 
 |   GammaTransferParams gammaEncodeParams; | 
 |   float3x3 gamutConversionMatrix; | 
 |   float3x2 coordTransformationMatrix; | 
 | }; | 
 |  | 
 | ExternalTextureParams tint_unpack_vec3_in_composite_1(ExternalTextureParams_tint_packed_vec3 in) { | 
 |   ExternalTextureParams result = {}; | 
 |   result.numPlanes = in.numPlanes; | 
 |   result.doYuvToRgbConversionOnly = in.doYuvToRgbConversionOnly; | 
 |   result.yuvToRgbConversionMatrix = in.yuvToRgbConversionMatrix; | 
 |   result.gammaDecodeParams = in.gammaDecodeParams; | 
 |   result.gammaEncodeParams = in.gammaEncodeParams; | 
 |   result.gamutConversionMatrix = tint_unpack_vec3_in_composite(in.gamutConversionMatrix); | 
 |   result.coordTransformationMatrix = in.coordTransformationMatrix; | 
 |   return result; | 
 | } | 
 |  | 
 | float3 gammaCorrection(float3 v, GammaTransferParams params) { | 
 |   bool3 const cond = (fabs(v) < float3(params.D)); | 
 |   float3 const t = (sign(v) * ((params.C * fabs(v)) + params.F)); | 
 |   float3 const f = (sign(v) * (pow(((params.A * fabs(v)) + params.B), float3(params.G)) + params.E)); | 
 |   return select(f, t, cond); | 
 | } | 
 |  | 
 | float4 textureLoadExternal(texture2d<float, access::sample> plane0, texture2d<float, access::sample> plane1, int2 coord, ExternalTextureParams params) { | 
 |   int2 const coord1 = (coord >> uint2(1u)); | 
 |   float4 color = 0.0f; | 
 |   if ((params.numPlanes == 1u)) { | 
 |     color = plane0.read(uint2(coord), 0).rgba; | 
 |   } else { | 
 |     color = float4((float4(plane0.read(uint2(coord), 0)[0], plane1.read(uint2(coord1), 0).rg, 1.0f) * params.yuvToRgbConversionMatrix), 1.0f); | 
 |   } | 
 |   if ((params.doYuvToRgbConversionOnly == 0u)) { | 
 |     color = float4(gammaCorrection(color.rgb, params.gammaDecodeParams), color[3]); | 
 |     color = float4((params.gamutConversionMatrix * color.rgb), color[3]); | 
 |     color = float4(gammaCorrection(color.rgb, params.gammaEncodeParams), color[3]); | 
 |   } | 
 |   return color; | 
 | } | 
 |  | 
 | float4 textureLoad2d(texture2d<float, access::sample> tint_symbol, texture2d<float, access::sample> ext_tex_plane_1_1, ExternalTextureParams ext_tex_params_1, int2 coords) { | 
 |   return textureLoadExternal(tint_symbol, ext_tex_plane_1_1, coords, ext_tex_params_1); | 
 | } | 
 |  | 
 | void doTextureLoad(texture2d<float, access::sample> tint_symbol_2, texture2d<float, access::sample> tint_symbol_3, const constant ExternalTextureParams_tint_packed_vec3* const tint_symbol_4) { | 
 |   float4 res = textureLoad2d(tint_symbol_2, tint_symbol_3, tint_unpack_vec3_in_composite_1(*(tint_symbol_4)), int2(0)); | 
 | } | 
 |  | 
 | struct tint_symbol_1 { | 
 |   float4 value [[position]]; | 
 | }; | 
 |  | 
 | float4 vertex_main_inner(texture2d<float, access::sample> tint_symbol_5, texture2d<float, access::sample> tint_symbol_6, const constant ExternalTextureParams_tint_packed_vec3* const tint_symbol_7) { | 
 |   doTextureLoad(tint_symbol_5, tint_symbol_6, tint_symbol_7); | 
 |   return float4(0.0f); | 
 | } | 
 |  | 
 | vertex tint_symbol_1 vertex_main(texture2d<float, access::sample> tint_symbol_8 [[texture(0)]], texture2d<float, access::sample> tint_symbol_9 [[texture(1)]], const constant ExternalTextureParams_tint_packed_vec3* tint_symbol_10 [[buffer(2)]]) { | 
 |   float4 const inner_result = vertex_main_inner(tint_symbol_8, tint_symbol_9, tint_symbol_10); | 
 |   tint_symbol_1 wrapper_result = {}; | 
 |   wrapper_result.value = inner_result; | 
 |   return wrapper_result; | 
 | } | 
 |  | 
 | fragment void fragment_main(texture2d<float, access::sample> tint_symbol_11 [[texture(0)]], texture2d<float, access::sample> tint_symbol_12 [[texture(1)]], const constant ExternalTextureParams_tint_packed_vec3* tint_symbol_13 [[buffer(2)]]) { | 
 |   doTextureLoad(tint_symbol_11, tint_symbol_12, tint_symbol_13); | 
 |   return; | 
 | } | 
 |  | 
 | kernel void compute_main(texture2d<float, access::sample> tint_symbol_14 [[texture(0)]], texture2d<float, access::sample> tint_symbol_15 [[texture(1)]], const constant ExternalTextureParams_tint_packed_vec3* tint_symbol_16 [[buffer(2)]]) { | 
 |   doTextureLoad(tint_symbol_14, tint_symbol_15, tint_symbol_16); | 
 |   return; | 
 | } | 
 |  |