| #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 textureSampleExternal(texture2d<float, access::sample> plane0, texture2d<float, access::sample> plane1, sampler smp, float2 coord, ExternalTextureParams params) { |
| float2 const modifiedCoords = (params.coordTransformationMatrix * float3(coord, 1.0f)); |
| float2 const plane0_dims = float2(uint2(plane0.get_width(0), plane0.get_height(0))); |
| float2 const plane0_half_texel = (float2(0.5f) / plane0_dims); |
| float2 const plane0_clamped = clamp(modifiedCoords, plane0_half_texel, (1.0f - plane0_half_texel)); |
| float2 const plane1_dims = float2(uint2(plane1.get_width(0), plane1.get_height(0))); |
| float2 const plane1_half_texel = (float2(0.5f) / plane1_dims); |
| float2 const plane1_clamped = clamp(modifiedCoords, plane1_half_texel, (1.0f - plane1_half_texel)); |
| float3 color = 0.0f; |
| if ((params.numPlanes == 1u)) { |
| color = plane0.sample(smp, plane0_clamped, level(0.0f)).rgb; |
| } else { |
| color = (float4(plane0.sample(smp, plane0_clamped, level(0.0f))[0], plane1.sample(smp, plane1_clamped, level(0.0f)).rg, 1.0f) * params.yuvToRgbConversionMatrix); |
| } |
| if ((params.doYuvToRgbConversionOnly == 0u)) { |
| color = gammaCorrection(color, params.gammaDecodeParams); |
| color = (params.gamutConversionMatrix * color); |
| color = gammaCorrection(color, params.gammaEncodeParams); |
| } |
| return float4(color, 1.0f); |
| } |
| |
| void textureSampleBaseClampToEdge_7c04e6(texture2d<float, access::sample> tint_symbol_1, texture2d<float, access::sample> tint_symbol_2, sampler tint_symbol_3, const constant ExternalTextureParams_tint_packed_vec3* const tint_symbol_4, device float4* const tint_symbol_5) { |
| float2 arg_2 = float2(1.0f); |
| float4 res = textureSampleExternal(tint_symbol_1, tint_symbol_2, tint_symbol_3, arg_2, tint_unpack_vec3_in_composite_1(*(tint_symbol_4))); |
| *(tint_symbol_5) = res; |
| } |
| |
| struct tint_symbol { |
| float4 value [[position]]; |
| }; |
| |
| float4 vertex_main_inner(texture2d<float, access::sample> tint_symbol_6, texture2d<float, access::sample> tint_symbol_7, sampler tint_symbol_8, const constant ExternalTextureParams_tint_packed_vec3* const tint_symbol_9, device float4* const tint_symbol_10) { |
| textureSampleBaseClampToEdge_7c04e6(tint_symbol_6, tint_symbol_7, tint_symbol_8, tint_symbol_9, tint_symbol_10); |
| return float4(0.0f); |
| } |
| |
| vertex tint_symbol vertex_main(texture2d<float, access::sample> tint_symbol_11 [[texture(0)]], texture2d<float, access::sample> tint_symbol_12 [[texture(1)]], sampler tint_symbol_13 [[sampler(0)]], const constant ExternalTextureParams_tint_packed_vec3* tint_symbol_14 [[buffer(2)]], device float4* tint_symbol_15 [[buffer(0)]]) { |
| float4 const inner_result = vertex_main_inner(tint_symbol_11, tint_symbol_12, tint_symbol_13, tint_symbol_14, tint_symbol_15); |
| tint_symbol wrapper_result = {}; |
| wrapper_result.value = inner_result; |
| return wrapper_result; |
| } |
| |
| fragment void fragment_main(texture2d<float, access::sample> tint_symbol_16 [[texture(0)]], texture2d<float, access::sample> tint_symbol_17 [[texture(1)]], sampler tint_symbol_18 [[sampler(0)]], const constant ExternalTextureParams_tint_packed_vec3* tint_symbol_19 [[buffer(2)]], device float4* tint_symbol_20 [[buffer(0)]]) { |
| textureSampleBaseClampToEdge_7c04e6(tint_symbol_16, tint_symbol_17, tint_symbol_18, tint_symbol_19, tint_symbol_20); |
| return; |
| } |
| |
| kernel void compute_main(texture2d<float, access::sample> tint_symbol_21 [[texture(0)]], texture2d<float, access::sample> tint_symbol_22 [[texture(1)]], sampler tint_symbol_23 [[sampler(0)]], const constant ExternalTextureParams_tint_packed_vec3* tint_symbol_24 [[buffer(2)]], device float4* tint_symbol_25 [[buffer(0)]]) { |
| textureSampleBaseClampToEdge_7c04e6(tint_symbol_21, tint_symbol_22, tint_symbol_23, tint_symbol_24, tint_symbol_25); |
| return; |
| } |
| |