| #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)) { |
| __asm__(""); |
| 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; |
| } |
| |
| int2 tint_clamp(int2 e, int2 low, int2 high) { |
| return min(max(e, low), high); |
| } |
| |
| 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; |
| } |
| |
| kernel void tint_symbol(texture2d<float, access::sample> tint_symbol_1 [[texture(1)]], texture2d<float, access::sample> tint_symbol_2 [[texture(2)]], const constant ExternalTextureParams_tint_packed_vec3* tint_symbol_3 [[buffer(3)]], texture2d<float, access::write> tint_symbol_4 [[texture(0)]]) { |
| float4 red = textureLoadExternal(tint_symbol_1, tint_symbol_2, tint_clamp(int2(10), int2(0), int2((uint2(tint_symbol_1.get_width(), tint_symbol_1.get_height()) - uint2(1u)))), tint_unpack_vec3_in_composite_1(*(tint_symbol_3))); |
| tint_symbol_4.write(red, uint2(tint_clamp(int2(0), int2(0), int2((uint2(tint_symbol_4.get_width(), tint_symbol_4.get_height()) - uint2(1u)))))); |
| float4 green = textureLoadExternal(tint_symbol_1, tint_symbol_2, tint_clamp(int2(70, 118), int2(0), int2((uint2(tint_symbol_1.get_width(), tint_symbol_1.get_height()) - uint2(1u)))), tint_unpack_vec3_in_composite_1(*(tint_symbol_3))); |
| tint_symbol_4.write(green, uint2(tint_clamp(int2(1, 0), int2(0), int2((uint2(tint_symbol_4.get_width(), tint_symbol_4.get_height()) - uint2(1u)))))); |
| return; |
| } |
| |