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Quelle SkYUVMath.cppSprache: C |
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/* * Copyright 2019 Google LLC * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "src/core/SkYUVMath.h" #include "include/core/SkImageInfo.h" #include "include/core/SkM44.h" #include "include/private/base/SkAssert.h" #include "include/private/base/SkDebug.h" #include <cstring> // in SkColorMatrix order (row-major) // Created by running SkColorMatrix_DumpYUVMatrixTables() constexpr float JPEG_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.322d0ep-2f, 0x1.2c8b42p-1f, 0x1.d2f1aap-4f, 0x0p+0f, 0x0p+0f, -0x1.599234p-3f, -0x1.5336e4p-2f, 0x1p-1f, 0x0p+0f, 0x1.010102p-1f, 0x1p-1f, -0x1.acbc7p-2f, -0x1.4d0e3ep-4f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.299000f, 0.587000f, 0.114000f, 0.000000f, 0.000000f, -0.168736f, -0.331264f, 0.500000f, 0.000000f, 0.501961f, 0.500000f, -0.418688f, -0.081312f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float JPEG_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p+0f, -0x1.d5babap-27f, 0x1.66e978p+0f, 0x0p+0f, -0x1.6851ccp-1f, 0x1.000002p+0f, -0x1.606544p-2f, -0x1.6da346p-1f, 0x0p+0f, 0x1.0ffafp-1f, 0x1p+0f, 0x1.c5a1cap+0f, 0x1.72004p-27f, 0x0p+0f, -0x1.c76936p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.000000f, -0.000000f, 1.402000f, 0.000000f, -0.703749f, 1.000000f, -0.344136f, -0.714136f, 0.000000f, 0.531211f, 1.000000f, 1.772000f, 0.000000f, 0.000000f, -0.889475f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float Rec601_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.06f37ep-2f, 0x1.021d3ep-1f, 0x1.9105c2p-4f, 0x0p+0f, 0x1.010102p-4f, -0x1.2f8f7ep-3f, -0x1.29fa02p-2f, 0x1.c1c1c2p-2f, 0x0p+0f, 0x1.010102p-1f, 0x1.c1c1c2p-2f, -0x1.789d7ep-2f, -0x1.249108p-4f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.256788f, 0.504129f, 0.097906f, 0.000000f, 0.062745f, -0.148223f, -0.290993f, 0.439216f, 0.000000f, 0.501961f, 0.439216f, -0.367788f, -0.071427f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float Rec601_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.2a150cp+0f, -0x1.eeec98p-31f, 0x1.989536p+0f, 0x0p+0f, -0x1.bf977p-1f, 0x1.2a150cp+0f, -0x1.912a24p-2f, -0x1.a03d4ep-1f, 0x0p+0f, 0x1.1036c6p-1f, 0x1.2a150cp+0f, 0x1.0234aap+1f, 0x1.2de0b6p-26f, 0x0p+0f, -0x1.15ebe8p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.164384f, -0.000000f, 1.596027f, 0.000000f, -0.874202f, 1.164384f, -0.391762f, -0.812968f, 0.000000f, 0.531668f, 1.164384f, 2.017232f, 0.000000f, 0.000000f, -1.085631f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float Rec709_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.b367ap-3f, 0x1.6e2eb2p-1f, 0x1.27bb3p-4f, 0x0p+0f, 0x0p+0f, -0x1.d5498ep-4f, -0x1.8aad9cp-2f, 0x1p-1f, 0x0p+0f, 0x1.010102p-1f, 0x1.fffffep-2f, -0x1.d10d74p-2f, -0x1.77945p-5f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.212600f, 0.715200f, 0.072200f, 0.000000f, 0.000000f, -0.114572f, -0.385428f, 0.500000f, 0.000000f, 0.501961f, 0.500000f, -0.454153f, -0.045847f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float Rec709_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p+0f, -0x1.134d1p-29f, 0x1.93261ap+0f, 0x0p+0f, -0x1.94bad6p-1f, 0x1p+0f, -0x1.7fa3dep-3f, -0x1.df5bf8p-2f, 0x0p+0f, 0x1.50e7dep-2f, 0x1p+0f, 0x1.db089ap+0f, -0x1.1fd88ap-31f, 0x0p+0f, -0x1.dce582p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.000000f, -0.000000f, 1.574800f, 0.000000f, -0.790488f, 1.000000f, -0.187324f, -0.468124f, 0.000000f, 0.329010f, 1.000000f, 1.855600f, -0.000000f, 0.000000f, -0.931439f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float Rec709_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.75ef96p-3f, 0x1.3a7c6ep-1f, 0x1.fbf63ap-5f, 0x0p+0f, 0x1.010102p-4f, -0x1.9c3c9ap-4f, -0x1.5ab29cp-2f, 0x1.c1c1c4p-2f, 0x0p+0f, 0x1.010102p-1f, 0x1.c1c1cp-2f, -0x1.98844ap-2f, -0x1.49ebb2p-5f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.182586f, 0.614231f, 0.062007f, 0.000000f, 0.062745f, -0.100644f, -0.338572f, 0.439216f, 0.000000f, 0.501961f, 0.439216f, -0.398942f, -0.040274f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float Rec709_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.2a150cp+0f, -0x1.532b74p-28f, 0x1.caf116p+0f, 0x0p+0f, -0x1.f225dep-1f, 0x1.2a150ap+0f, -0x1.b4bbaep-3f, -0x1.10d97ep-1f, 0x0p+0f, 0x1.34b7ep-2f, 0x1.2a150ap+0f, 0x1.0e632ep+1f, -0x1.65554ap-26f, 0x0p+0f, -0x1.2226a6p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.164384f, -0.000000f, 1.792741f, 0.000000f, -0.972945f, 1.164384f, -0.213249f, -0.532909f, 0.000000f, 0.301483f, 1.164384f, 2.112402f, -0.000000f, 0.000000f, -1.133402f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_8bit_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.0d013ap-2f, 0x1.5b22d2p-1f, 0x1.e5c91ep-5f, 0x0p+0f, 0x0p+0f, -0x1.1df65cp-3f, -0x1.7104d2p-2f, 0x1.fffffep-2f, 0x0p+0f, 0x1.010102p-1f, 0x1p-1f, -0x1.d6d212p-2f, -0x1.496f7ep-5f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.262700f, 0.678000f, 0.059300f, 0.000000f, 0.000000f, -0.139630f, -0.360370f, 0.500000f, 0.000000f, 0.501961f, 0.500000f, -0.459786f, -0.040214f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_8bit_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p+0f, -0x1.1b1682p-30f, 0x1.797f62p+0f, 0x0p+0f, -0x1.7afa5ep-1f, 0x1.fffffep-1f, -0x1.51013cp-3f, -0x1.248864p-1f, 0x0p+0f, 0x1.7a42f8p-2f, 0x1p+0f, 0x1.e1a37p+0f, -0x1.512cd4p-26f, 0x0p+0f, -0x1.e386f8p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.000000f, -0.000000f, 1.474600f, 0.000000f, -0.740191f, 1.000000f, -0.164553f, -0.571353f, 0.000000f, 0.369396f, 1.000000f, 1.881400f, -0.000000f, 0.000000f, -0.944389f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_8bit_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.ce0e28p-3f, 0x1.2a20eap-1f, 0x1.a13442p-5f, 0x0p+0f, 0x1.010102p-4f, -0x1.f66588p-4f, -0x1.44286p-2f, 0x1.c1c1c2p-2f, 0x0p+0f, 0x1.010102p-1f, 0x1.c1c1c4p-2f, -0x1.9d9566p-2f, -0x1.2162f2p-5f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.225613f, 0.582282f, 0.050928f, 0.000000f, 0.062745f, -0.122655f, -0.316560f, 0.439216f, 0.000000f, 0.501961f, 0.439216f, -0.403890f, -0.035326f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_8bit_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.2a150ap+0f, -0x1.22eb3p-27f, 0x1.adbd94p+0f, 0x0p+0f, -0x1.d4d50cp-1f, 0x1.2a150ap+0f, -0x1.7fa4d4p-3f, -0x1.4d0468p-1f, 0x0p+0f, 0x1.63cc28p-2f, 0x1.2a150ap+0f, 0x1.122598p+1f, -0x1.73d38cp-26f, 0x0p+0f, -0x1.25ecd6p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.164384f, -0.000000f, 1.678674f, 0.000000f, -0.915688f, 1.164384f, -0.187326f, -0.650424f, 0.000000f, 0.347458f, 1.164384f, 2.141772f, -0.000000f, 0.000000f, -1.148145f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_10bit_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.0d013ap-2f, 0x1.5b22d2p-1f, 0x1.e5c91ep-5f, 0x0p+0f, 0x0p+0f, -0x1.1df65cp-3f, -0x1.7104d2p-2f, 0x1.fffffep-2f, 0x0p+0f, 0x1.00401p-1f, 0x1p-1f, -0x1.d6d212p-2f, -0x1.496f7ep-5f, 0x0p+0f, 0x1.00401p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.262700f, 0.678000f, 0.059300f, 0.000000f, 0.000000f, -0.139630f, -0.360370f, 0.500000f, 0.000000f, 0.500489f, 0.500000f, -0.459786f, -0.040214f, 0.000000f, 0.500489f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_10bit_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p+0f, -0x1.1b1682p-30f, 0x1.797f62p+0f, 0x0p+0f, -0x1.79dddap-1f, 0x1.fffffep-1f, -0x1.51013cp-3f, -0x1.248864p-1f, 0x0p+0f, 0x1.7926fcp-2f, 0x1p+0f, 0x1.e1a37p+0f, -0x1.512cd4p-26f, 0x0p+0f, -0x1.e21bf6p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.000000f, -0.000000f, 1.474600f, 0.000000f, -0.738021f, 1.000000f, -0.164553f, -0.571353f, 0.000000f, 0.368313f, 1.000000f, 1.881400f, -0.000000f, 0.000000f, -0.941620f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_10bit_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.ccb346p-3f, 0x1.29411ap-1f, 0x1.9ffb0cp-5f, 0x0p+0f, 0x1.00401p-4f, -0x1.f4ec5cp-4f, -0x1.433504p-2f, 0x1.c0701ap-2f, 0x0p+0f, 0x1.00401p-1f, 0x1.c0701ep-2f, -0x1.9c5ee8p-2f, -0x1.2089bp-5f, 0x0p+0f, 0x1.00401p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.224951f, 0.580575f, 0.050779f, 0.000000f, 0.062561f, -0.122296f, -0.315632f, 0.437928f, 0.000000f, 0.500489f, 0.437928f, -0.402706f, -0.035222f, 0.000000f, 0.500489f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_10bit_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.2af57ap+0f, -0x1.641122p-27f, 0x1.af0126p+0f, 0x0p+0f, -0x1.d4d50ap-1f, 0x1.2af57ap+0f, -0x1.80c5b2p-3f, -0x1.4dff26p-1f, 0x0p+0f, 0x1.63cc26p-2f, 0x1.2af57ap+0f, 0x1.12f404p+1f, -0x1.23e582p-33f, 0x0p+0f, -0x1.25ecd8p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.167808f, -0.000000f, 1.683611f, 0.000000f, -0.915688f, 1.167808f, -0.187877f, -0.652337f, 0.000000f, 0.347458f, 1.167808f, 2.148072f, -0.000000f, 0.000000f, -1.148145f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_12bit_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.0d013ap-2f, 0x1.5b22d2p-1f, 0x1.e5c91ep-5f, 0x0p+0f, 0x0p+0f, -0x1.1df65cp-3f, -0x1.7104d2p-2f, 0x1.fffffep-2f, 0x0p+0f, 0x1.001002p-1f, 0x1p-1f, -0x1.d6d212p-2f, -0x1.496f7ep-5f, 0x0p+0f, 0x1.001002p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.262700f, 0.678000f, 0.059300f, 0.000000f, 0.000000f, -0.139630f, -0.360370f, 0.500000f, 0.000000f, 0.500122f, 0.500000f, -0.459786f, -0.040214f, 0.000000f, 0.500122f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_12bit_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p+0f, -0x1.1b1682p-30f, 0x1.797f62p+0f, 0x0p+0f, -0x1.7996fep-1f, 0x1.fffffep-1f, -0x1.51013cp-3f, -0x1.248864p-1f, 0x0p+0f, 0x1.78e042p-2f, 0x1p+0f, 0x1.e1a37p+0f, -0x1.512cd4p-26f, 0x0p+0f, -0x1.e1c18ep-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.000000f, -0.000000f, 1.474600f, 0.000000f, -0.737480f, 1.000000f, -0.164553f, -0.571353f, 0.000000f, 0.368043f, 1.000000f, 1.881400f, -0.000000f, 0.000000f, -0.940930f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_12bit_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.cc5cep-3f, 0x1.29095ap-1f, 0x1.9fad08p-5f, 0x0p+0f, 0x1.001002p-4f, -0x1.f48e6ap-4f, -0x1.42f866p-2f, 0x1.c01cp-2f, 0x0p+0f, 0x1.001002p-1f, 0x1.c01c04p-2f, -0x1.9c1192p-2f, -0x1.205394p-5f, 0x0p+0f, 0x1.001002p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.224787f, 0.580149f, 0.050742f, 0.000000f, 0.062515f, -0.122206f, -0.315401f, 0.437607f, 0.000000f, 0.500122f, 0.437607f, -0.402411f, -0.035196f, 0.000000f, 0.500122f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_12bit_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.2b2d96p+0f, -0x1.e313dp-28f, 0x1.af520ap+0f, 0x0p+0f, -0x1.d4d50cp-1f, 0x1.2b2d96p+0f, -0x1.810deap-3f, -0x1.4e3dd6p-1f, 0x0p+0f, 0x1.63cc28p-2f, 0x1.2b2d96p+0f, 0x1.13279ep+1f, -0x1.daca5ep-27f, 0x0p+0f, -0x1.25ecd8p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.168664f, -0.000000f, 1.684846f, 0.000000f, -0.915688f, 1.168664f, -0.188015f, -0.652816f, 0.000000f, 0.347458f, 1.168664f, 2.149647f, -0.000000f, 0.000000f, -1.148145f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_16bit_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.0d013ap-2f, 0x1.5b22d2p-1f, 0x1.e5c91ep-5f, 0x0p+0f, 0x0p+0f, -0x1.1df65cp-3f, -0x1.7104d2p-2f, 0x1.fffffep-2f, 0x0p+0f, 0x1.0001p-1f, 0x1p-1f, -0x1.d6d212p-2f, -0x1.496f7ep-5f, 0x0p+0f, 0x1.0001p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.262700f, 0.678000f, 0.059300f, 0.000000f, 0.000000f, -0.139630f, -0.360370f, 0.500000f, 0.000000f, 0.500008f, 0.500000f, -0.459786f, -0.040214f, 0.000000f, 0.500008f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_16bit_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p+0f, -0x1.1b1682p-30f, 0x1.797f62p+0f, 0x0p+0f, -0x1.7980dcp-1f, 0x1.fffffep-1f, -0x1.51013cp-3f, -0x1.248864p-1f, 0x0p+0f, 0x1.78ca2cp-2f, 0x1p+0f, 0x1.e1a37p+0f, -0x1.512cd4p-26f, 0x0p+0f, -0x1.e1a552p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.000000f, -0.000000f, 1.474600f, 0.000000f, -0.737311f, 1.000000f, -0.164553f, -0.571353f, 0.000000f, 0.367959f, 1.000000f, 1.881400f, -0.000000f, 0.000000f, -0.940714f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_16bit_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.cc41e6p-3f, 0x1.28f7f2p-1f, 0x1.9f94acp-5f, 0x0p+0f, 0x1.0001p-4f, -0x1.f47116p-4f, -0x1.42e57ap-2f, 0x1.c001cp-2f, 0x0p+0f, 0x1.0001p-1f, 0x1.c001cp-2f, -0x1.9bf96ap-2f, -0x1.2042aep-5f, 0x0p+0f, 0x1.0001p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.224735f, 0.580017f, 0.050730f, 0.000000f, 0.062501f, -0.122178f, -0.315329f, 0.437507f, 0.000000f, 0.500008f, 0.437507f, -0.402319f, -0.035188f, 0.000000f, 0.500008f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float BT2020_16bit_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.2b3f2p+0f, 0x1.57718ep-31f, 0x1.af6b54p+0f, 0x0p+0f, -0x1.d4d50cp-1f, 0x1.2b3f2p+0f, -0x1.81247ap-3f, -0x1.4e516ep-1f, 0x0p+0f, 0x1.63cc28p-2f, 0x1.2b3f2p+0f, 0x1.1337bep+1f, -0x1.88ceb8p-26f, 0x0p+0f, -0x1.25ecd6p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.168932f, 0.000000f, 1.685231f, 0.000000f, -0.915688f, 1.168932f, -0.188058f, -0.652965f, 0.000000f, 0.347458f, 1.168932f, 2.150139f, -0.000000f, 0.000000f, -1.148145f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float FCC_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.333334p-2f, 0x1.2e147ap-1f, 0x1.c28f5cp-4f, 0x0p+0f, 0x0p+0f, -0x1.592b26p-3f, -0x1.536a6cp-2f, 0x1.fffffep-2f, 0x0p+0f, 0x1.010102p-1f, 0x1p-1f, -0x1.af8af8p-2f, -0x1.41d41ep-4f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.300000f, 0.590000f, 0.110000f, 0.000000f, 0.000000f, -0.168539f, -0.331461f, 0.500000f, 0.000000f, 0.501961f, 0.500000f, -0.421429f, -0.078571f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float FCC_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p+0f, 0x1.12f3e2p-28f, 0x1.666666p+0f, 0x0p+0f, -0x1.67ce36p-1f, 0x1p+0f, -0x1.53d446p-2f, -0x1.6c798p-1f, 0x0p+0f, 0x1.0c3e1p-1f, 0x1p+0f, 0x1.c7ae16p+0f, 0x1.1bcdf2p-31f, 0x0p+0f, -0x1.c9779p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.000000f, 0.000000f, 1.400000f, 0.000000f, -0.702745f, 1.000000f, -0.331864f, -0.711864f, 0.000000f, 0.523911f, 1.000000f, 1.780000f, 0.000000f, 0.000000f, -0.893490f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float FCC_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.07d4a2p-2f, 0x1.036ef4p-1f, 0x1.82f398p-4f, 0x0p+0f, 0x1.010102p-4f, -0x1.2f34f6p-3f, -0x1.2a2746p-2f, 0x1.c1c1c2p-2f, 0x0p+0f, 0x1.010102p-1f, 0x1.c1c1c2p-2f, -0x1.7b14aep-2f, -0x1.1ab44ep-4f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.257647f, 0.506706f, 0.094471f, 0.000000f, 0.062745f, -0.148050f, -0.291165f, 0.439216f, 0.000000f, 0.501961f, 0.439216f, -0.370196f, -0.069020f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float FCC_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.2a150ap+0f, -0x1.3a8c8p-29f, 0x1.98p+0f, 0x0p+0f, -0x1.bf01a4p-1f, 0x1.2a150ap+0f, -0x1.82dbeep-2f, -0x1.9eea4ep-1f, 0x0p+0f, 0x1.0bf578p-1f, 0x1.2a150ap+0f, 0x1.035f16p+1f, 0x1.a8fbccp-27f, 0x0p+0f, -0x1.17178p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.164384f, -0.000000f, 1.593750f, 0.000000f, -0.873059f, 1.164384f, -0.377792f, -0.810381f, 0.000000f, 0.523357f, 1.164384f, 2.026339f, 0.000000f, 0.000000f, -1.090202f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float SMPTE240_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.b22d0ep-3f, 0x1.66e978p-1f, 0x1.645a1cp-4f, 0x0p+0f, 0x0p+0f, -0x1.db8c7cp-4f, -0x1.891ce2p-2f, 0x1p-1f, 0x0p+0f, 0x1.010102p-1f, 0x1p-1f, -0x1.c778dap-2f, -0x1.c4392ep-5f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.212000f, 0.701000f, 0.087000f, 0.000000f, 0.000000f, -0.116101f, -0.383899f, 0.500000f, 0.000000f, 0.501961f, 0.500000f, -0.444797f, -0.055203f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float SMPTE240_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p+0f, 0x1.d39c56p-29f, 0x1.9374bcp+0f, 0x0p+0f, -0x1.9509c8p-1f, 0x1p+0f, -0x1.d01f2ep-3f, -0x1.e80f98p-2f, 0x0p+0f, 0x1.697912p-2f, 0x1p+0f, 0x1.d374bcp+0f, 0x1.ea3024p-29f, 0x0p+0f, -0x1.d54a08p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.000000f, 0.000000f, 1.576000f, 0.000000f, -0.791090f, 1.000000f, -0.226622f, -0.476622f, 0.000000f, 0.353001f, 1.000000f, 1.826000f, 0.000000f, 0.000000f, -0.916580f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float SMPTE240_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.74e16cp-3f, 0x1.343df8p-1f, 0x1.320b22p-4f, 0x0p+0f, 0x1.010102p-4f, -0x1.a1bcaap-4f, -0x1.595298p-2f, 0x1.c1c1c4p-2f, 0x0p+0f, 0x1.010102p-1f, 0x1.c1c1c2p-2f, -0x1.9019d8p-2f, -0x1.8d3f46p-5f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.182071f, 0.602035f, 0.074718f, 0.000000f, 0.062745f, -0.101987f, -0.337229f, 0.439216f, 0.000000f, 0.501961f, 0.439216f, -0.390724f, -0.048492f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float SMPTE240_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.2a150ap+0f, -0x1.03331p-27f, 0x1.cb4a9cp+0f, 0x0p+0f, -0x1.f27fbep-1f, 0x1.2a150cp+0f, -0x1.082d2cp-2f, -0x1.15cd72p-1f, 0x0p+0f, 0x1.50af76p-2f, 0x1.2a150ap+0f, 0x1.0a1304p+1f, 0x1.2b37d6p-25f, 0x0p+0f, -0x1.1dd228p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.164384f, -0.000000f, 1.794107f, 0.000000f, -0.973631f, 1.164384f, -0.257985f, -0.542583f, 0.000000f, 0.328794f, 1.164384f, 2.078705f, 0.000000f, 0.000000f, -1.116488f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YDZDX_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x0p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, -0x1p-1f, 0x1.f91f2ep-2f, 0x0p+0f, 0x1.010102p-1f, 0x1p-1f, -0x1.fbda94p-2f, 0x0p+0f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.000000f, 1.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f, -0.500000f, 0.493283f, 0.000000f, 0.501961f, 0.500000f, -0.495951f, 0.000000f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YDZDX_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.fbda94p-1f, -0x0p+0f, 0x1p+1f, 0x0p+0f, -0x1.010102p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1.037c66p+0f, 0x1.037c66p+1f, 0x0p+0f, 0x0p+0f, -0x1.0480e8p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.991902f, -0.000000f, 2.000000f, 0.000000f, -1.003922f, 1.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f, 1.013617f, 2.027234f, 0.000000f, 0.000000f, -1.017592f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YDZDX_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x0p+0f, 0x1.b7b7b8p-1f, 0x0p+0f, 0x0p+0f, 0x1.010102p-4f, 0x0p+0f, -0x1.c1c1c2p-2f, 0x1.bbb7p-2f, 0x0p+0f, 0x1.010102p-1f, 0x1.c1c1c2p-2f, -0x1.be1d6p-2f, 0x0p+0f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.000000f, 0.858824f, 0.000000f, 0.000000f, 0.062745f, 0.000000f, -0.439216f, 0.433315f, 0.000000f, 0.501961f, 0.439216f, -0.435659f, 0.000000f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YDZDX_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.27ab18p+0f, -0x0p+0f, 0x1.236db6p+1f, 0x0p+0f, -0x1.371f88p+0f, 0x1.2a150ap+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, -0x1.2b404cp-4f, 0x1.2e2422p+0f, 0x1.27659cp+1f, 0x0p+0f, 0x0p+0f, -0x1.3b8364p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.154954f, -0.000000f, 2.276786f, 0.000000f, -1.215325f, 1.164384f, 0.000000f, 0.000000f, 0.000000f, -0.073059f, 1.180239f, 2.307788f, 0.000000f, 0.000000f, -1.232474f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float GBR_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x0p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.000000f, 1.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float GBR_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, -0x0p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.000000f, 0.000000f, 1.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, 0.000000f, -0.000000f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float GBR_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x0p+0f, 0x1.b7b7b8p-1f, 0x0p+0f, 0x0p+0f, 0x1.010102p-4f, 0x0p+0f, 0x0p+0f, 0x1.b7b7b8p-1f, 0x0p+0f, 0x1.010102p-4f, 0x1.b7b7b8p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1.010102p-4f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.000000f, 0.858824f, 0.000000f, 0.000000f, 0.062745f, 0.000000f, 0.000000f, 0.858824f, 0.000000f, 0.062745f, 0.858824f, 0.000000f, 0.000000f, 0.000000f, 0.062745f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float GBR_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x0p+0f, 0x0p+0f, 0x1.2a150ap+0f, 0x0p+0f, -0x1.2b404cp-4f, 0x1.2a150ap+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, -0x1.2b404cp-4f, 0x0p+0f, 0x1.2a150ap+0f, 0x0p+0f, 0x0p+0f, -0x1.2b404cp-4f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.000000f, 0.000000f, 1.164384f, 0.000000f, -0.073059f, 1.164384f, 0.000000f, 0.000000f, 0.000000f, -0.073059f, 0.000000f, 1.164384f, 0.000000f, 0.000000f, -0.073059f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_8bit_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p-2f, 0x1p-1f, 0x1p-2f, 0x0p+0f, 0x0p+0f, -0x1p-2f, 0x1p-1f, -0x1p-2f, 0x0p+0f, 0x1.010102p-1f, 0x1p-1f, 0x0p+0f, -0x1p-1f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.250000f, 0.500000f, 0.250000f, 0.000000f, 0.000000f, -0.250000f, 0.500000f, -0.250000f, 0.000000f, 0.501961f, 0.500000f, 0.000000f, -0.500000f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_8bit_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p+0f, -0x1p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, -0x1.010102p-1f, 0x1p+0f, -0x1p+0f, -0x1p+0f, 0x0p+0f, 0x1.010102p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.000000f, -1.000000f, 1.000000f, 0.000000f, 0.000000f, 1.000000f, 1.000000f, 0.000000f, 0.000000f, -0.501961f, 1.000000f, -1.000000f, -1.000000f, 0.000000f, 1.003922f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_8bit_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.b7b7b8p-3f, 0x1.b7b7b8p-2f, 0x1.b7b7b8p-3f, 0x0p+0f, 0x1.010102p-4f, -0x1.b7b7b8p-3f, 0x1.b7b7b8p-2f, -0x1.b7b7b8p-3f, 0x0p+0f, 0x1.010102p-1f, 0x1.b7b7b8p-2f, 0x0p+0f, -0x1.b7b7b8p-2f, 0x0p+0f, 0x1.010102p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.214706f, 0.429412f, 0.214706f, 0.000000f, 0.062745f, -0.214706f, 0.429412f, -0.214706f, 0.000000f, 0.501961f, 0.429412f, 0.000000f, -0.429412f, 0.000000f, 0.501961f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_8bit_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.2a150ap+0f, -0x1.2a150ap+0f, 0x1.2a150ap+0f, 0x0p+0f, -0x1.2b404cp-4f, 0x1.2a150ap+0f, 0x1.2a150ap+0f, 0x0p+0f, 0x0p+0f, -0x1.50a856p-1f, 0x1.2a150ap+0f, -0x1.2a150ap+0f, -0x1.2a150ap+0f, 0x0p+0f, 0x1.188c48p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.164384f, -1.164384f, 1.164384f, 0.000000f, -0.073059f, 1.164384f, 1.164384f, 0.000000f, 0.000000f, -0.657534f, 1.164384f, -1.164384f, -1.164384f, 0.000000f, 1.095891f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_10bit_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p-2f, 0x1p-1f, 0x1p-2f, 0x0p+0f, 0x0p+0f, -0x1p-2f, 0x1p-1f, -0x1p-2f, 0x0p+0f, 0x1.00401p-1f, 0x1p-1f, 0x0p+0f, -0x1p-1f, 0x0p+0f, 0x1.00401p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.250000f, 0.500000f, 0.250000f, 0.000000f, 0.000000f, -0.250000f, 0.500000f, -0.250000f, 0.000000f, 0.500489f, 0.500000f, 0.000000f, -0.500000f, 0.000000f, 0.500489f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_10bit_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p+0f, -0x1p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, -0x1.00401p-1f, 0x1p+0f, -0x1p+0f, -0x1p+0f, 0x0p+0f, 0x1.00401p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.000000f, -1.000000f, 1.000000f, 0.000000f, 0.000000f, 1.000000f, 1.000000f, 0.000000f, 0.000000f, -0.500489f, 1.000000f, -1.000000f, -1.000000f, 0.000000f, 1.000978f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_10bit_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.b66d9cp-3f, 0x1.b66d9cp-2f, 0x1.b66d9cp-3f, 0x0p+0f, 0x1.00401p-4f, -0x1.b66d9cp-3f, 0x1.b66d9cp-2f, -0x1.b66d9cp-3f, 0x0p+0f, 0x1.00401p-1f, 0x1.b66d9cp-2f, 0x0p+0f, -0x1.b66d9cp-2f, 0x0p+0f, 0x1.00401p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.214076f, 0.428153f, 0.214076f, 0.000000f, 0.062561f, -0.214076f, 0.428153f, -0.214076f, 0.000000f, 0.500489f, 0.428153f, 0.000000f, -0.428153f, 0.000000f, 0.500489f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_10bit_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.2af57ap+0f, -0x1.2af57ap+0f, 0x1.2af57ap+0f, 0x0p+0f, -0x1.2b404ap-4f, 0x1.2af57ap+0f, 0x1.2af57ap+0f, 0x0p+0f, 0x0p+0f, -0x1.50a854p-1f, 0x1.2af57ap+0f, -0x1.2af57ap+0f, -0x1.2af57ap+0f, 0x0p+0f, 0x1.188c46p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.167808f, -1.167808f, 1.167808f, 0.000000f, -0.073059f, 1.167808f, 1.167808f, 0.000000f, 0.000000f, -0.657534f, 1.167808f, -1.167808f, -1.167808f, 0.000000f, 1.095890f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_12bit_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p-2f, 0x1p-1f, 0x1p-2f, 0x0p+0f, 0x0p+0f, -0x1p-2f, 0x1p-1f, -0x1p-2f, 0x0p+0f, 0x1.001002p-1f, 0x1p-1f, 0x0p+0f, -0x1p-1f, 0x0p+0f, 0x1.001002p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.250000f, 0.500000f, 0.250000f, 0.000000f, 0.000000f, -0.250000f, 0.500000f, -0.250000f, 0.000000f, 0.500122f, 0.500000f, 0.000000f, -0.500000f, 0.000000f, 0.500122f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_12bit_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p+0f, -0x1p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, -0x1.001002p-1f, 0x1p+0f, -0x1p+0f, -0x1p+0f, 0x0p+0f, 0x1.001002p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.000000f, -1.000000f, 1.000000f, 0.000000f, 0.000000f, 1.000000f, 1.000000f, 0.000000f, 0.000000f, -0.500122f, 1.000000f, -1.000000f, -1.000000f, 0.000000f, 1.000244f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_12bit_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.b61b62p-3f, 0x1.b61b62p-2f, 0x1.b61b62p-3f, 0x0p+0f, 0x1.001002p-4f, -0x1.b61b62p-3f, 0x1.b61b62p-2f, -0x1.b61b62p-3f, 0x0p+0f, 0x1.001002p-1f, 0x1.b61b62p-2f, 0x0p+0f, -0x1.b61b62p-2f, 0x0p+0f, 0x1.001002p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.213919f, 0.427839f, 0.213919f, 0.000000f, 0.062515f, -0.213919f, 0.427839f, -0.213919f, 0.000000f, 0.500122f, 0.427839f, 0.000000f, -0.427839f, 0.000000f, 0.500122f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_12bit_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.2b2d96p+0f, -0x1.2b2d96p+0f, 0x1.2b2d96p+0f, 0x0p+0f, -0x1.2b404cp-4f, 0x1.2b2d96p+0f, 0x1.2b2d96p+0f, 0x0p+0f, 0x0p+0f, -0x1.50a856p-1f, 0x1.2b2d96p+0f, -0x1.2b2d96p+0f, -0x1.2b2d96p+0f, 0x0p+0f, 0x1.188c48p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.168664f, -1.168664f, 1.168664f, 0.000000f, -0.073059f, 1.168664f, 1.168664f, 0.000000f, 0.000000f, -0.657534f, 1.168664f, -1.168664f, -1.168664f, 0.000000f, 1.095891f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_16bit_full_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p-2f, 0x1p-1f, 0x1p-2f, 0x0p+0f, 0x0p+0f, -0x1p-2f, 0x1p-1f, -0x1p-2f, 0x0p+0f, 0x1.0001p-1f, 0x1p-1f, 0x0p+0f, -0x1p-1f, 0x0p+0f, 0x1.0001p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.250000f, 0.500000f, 0.250000f, 0.000000f, 0.000000f, -0.250000f, 0.500000f, -0.250000f, 0.000000f, 0.500008f, 0.500000f, 0.000000f, -0.500000f, 0.000000f, 0.500008f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_16bit_full_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1p+0f, -0x1p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x1p+0f, 0x0p+0f, 0x0p+0f, -0x1.0001p-1f, 0x1p+0f, -0x1p+0f, -0x1p+0f, 0x0p+0f, 0x1.0001p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.000000f, -1.000000f, 1.000000f, 0.000000f, 0.000000f, 1.000000f, 1.000000f, 0.000000f, 0.000000f, -0.500008f, 1.000000f, -1.000000f, -1.000000f, 0.000000f, 1.000015f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_16bit_limited_rgb_to_yuv[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.b601b6p-3f, 0x1.b601b6p-2f, 0x1.b601b6p-3f, 0x0p+0f, 0x1.0001p-4f, -0x1.b601b6p-3f, 0x1.b601b6p-2f, -0x1.b601b6p-3f, 0x0p+0f, 0x1.0001p-1f, 0x1.b601b6p-2f, 0x0p+0f, -0x1.b601b6p-2f, 0x0p+0f, 0x1.0001p-1f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 0.213870f, 0.427741f, 0.213870f, 0.000000f, 0.062501f, -0.213870f, 0.427741f, -0.213870f, 0.000000f, 0.500008f, 0.427741f, 0.000000f, -0.427741f, 0.000000f, 0.500008f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; constexpr float YCgCo_16bit_limited_yuv_to_rgb[] = { #if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION) 0x1.2b3f2p+0f, -0x1.2b3f2p+0f, 0x1.2b3f2p+0f, 0x0p+0f, -0x1.2b404ap-4f, 0x1.2b3f2p+0f, 0x1.2b3f2p+0f, 0x0p+0f, 0x0p+0f, -0x1.50a854p-1f, 0x1.2b3f2p+0f, -0x1.2b3f2p+0f, -0x1.2b3f2p+0f, 0x0p+0f, 0x1.188c46p+0f, 0x0p+0f, 0x0p+0f, 0x0p+0f, 0x1p+0f, 0x0p+0f, #else 1.168932f, -1.168932f, 1.168932f, 0.000000f, -0.073059f, 1.168932f, 1.168932f, 0.000000f, 0.000000f, -0.657534f, 1.168932f, -1.168932f, -1.168932f, 0.000000f, 1.095890f, 0.000000f, 0.000000f, 0.000000f, 1.000000f, 0.000000f, #endif }; static_assert(kJPEG_Full_SkYUVColorSpace == 0, ""); static_assert(kRec601_Limited_SkYUVColorSpace == 1, ""); static_assert(kRec709_Full_SkYUVColorSpace == 2, ""); static_assert(kRec709_Limited_SkYUVColorSpace == 3, ""); static_assert(kBT2020_8bit_Full_SkYUVColorSpace == 4, ""); static_assert(kBT2020_8bit_Limited_SkYUVColorSpace == 5, ""); static_assert(kBT2020_10bit_Full_SkYUVColorSpace == 6, ""); static_assert(kBT2020_10bit_Limited_SkYUVColorSpace == 7, ""); static_assert(kBT2020_12bit_Full_SkYUVColorSpace == 8, ""); static_assert(kBT2020_12bit_Limited_SkYUVColorSpace == 9, ""); static_assert(kBT2020_16bit_Full_SkYUVColorSpace == 10, ""); static_assert(kBT2020_16bit_Limited_SkYUVColorSpace == 11, ""); static_assert(kFCC_Full_SkYUVColorSpace == 12, ""); static_assert(kFCC_Limited_SkYUVColorSpace == 13, ""); static_assert(kSMPTE240_Full_SkYUVColorSpace == 14, ""); static_assert(kSMPTE240_Limited_SkYUVColorSpace == 15, ""); static_assert(kYDZDX_Full_SkYUVColorSpace == 16, ""); static_assert(kYDZDX_Limited_SkYUVColorSpace == 17, ""); static_assert(kGBR_Full_SkYUVColorSpace == 18, ""); static_assert(kGBR_Limited_SkYUVColorSpace == 19, ""); static_assert(kYCgCo_8bit_Full_SkYUVColorSpace == 20, ""); static_assert(kYCgCo_8bit_Limited_SkYUVColorSpace == 21, ""); static_assert(kYCgCo_10bit_Full_SkYUVColorSpace == 22, ""); static_assert(kYCgCo_10bit_Limited_SkYUVColorSpace == 23, ""); static_assert(kYCgCo_12bit_Full_SkYUVColorSpace == 24, ""); static_assert(kYCgCo_12bit_Limited_SkYUVColorSpace == 25, ""); static_assert(kYCgCo_16bit_Full_SkYUVColorSpace == 26, ""); static_assert(kYCgCo_16bit_Limited_SkYUVColorSpace == 27, ""); const float* yuv_to_rgb_array[] = { JPEG_full_yuv_to_rgb, Rec601_limited_yuv_to_rgb, Rec709_full_yuv_to_rgb, Rec709_limited_yuv_to_rgb, BT2020_8bit_full_yuv_to_rgb, BT2020_8bit_limited_yuv_to_rgb, BT2020_10bit_full_yuv_to_rgb, BT2020_10bit_limited_yuv_to_rgb, BT2020_12bit_full_yuv_to_rgb, BT2020_12bit_limited_yuv_to_rgb, BT2020_16bit_full_yuv_to_rgb, BT2020_16bit_limited_yuv_to_rgb, FCC_full_yuv_to_rgb, FCC_limited_yuv_to_rgb, SMPTE240_full_yuv_to_rgb, SMPTE240_limited_yuv_to_rgb, YDZDX_full_yuv_to_rgb, YDZDX_limited_yuv_to_rgb, GBR_full_yuv_to_rgb, GBR_limited_yuv_to_rgb, YCgCo_8bit_full_yuv_to_rgb, YCgCo_8bit_limited_yuv_to_rgb, YCgCo_10bit_full_yuv_to_rgb, YCgCo_10bit_limited_yuv_to_rgb, YCgCo_12bit_full_yuv_to_rgb, YCgCo_12bit_limited_yuv_to_rgb, YCgCo_16bit_full_yuv_to_rgb, YCgCo_16bit_limited_yuv_to_rgb, }; const float* rgb_to_yuv_array[] = { JPEG_full_rgb_to_yuv, Rec601_limited_rgb_to_yuv, Rec709_full_rgb_to_yuv, Rec709_limited_rgb_to_yuv, BT2020_8bit_full_rgb_to_yuv, BT2020_8bit_limited_rgb_to_yuv, BT2020_10bit_full_rgb_to_yuv, BT2020_10bit_limited_rgb_to_yuv, BT2020_12bit_full_rgb_to_yuv, BT2020_12bit_limited_rgb_to_yuv, BT2020_16bit_full_rgb_to_yuv, BT2020_16bit_limited_rgb_to_yuv, FCC_full_rgb_to_yuv, FCC_limited_rgb_to_yuv, SMPTE240_full_rgb_to_yuv, SMPTE240_limited_rgb_to_yuv, YDZDX_full_rgb_to_yuv, YDZDX_limited_rgb_to_yuv, GBR_full_rgb_to_yuv, GBR_limited_rgb_to_yuv, YCgCo_8bit_full_rgb_to_yuv, YCgCo_8bit_limited_rgb_to_yuv, YCgCo_10bit_full_rgb_to_yuv, YCgCo_10bit_limited_rgb_to_yuv, YCgCo_12bit_full_rgb_to_yuv, YCgCo_12bit_limited_rgb_to_yuv, YCgCo_16bit_full_rgb_to_yuv, YCgCo_16bit_limited_rgb_to_yuv, }; constexpr size_t kSizeOfColorMatrix = 20 * sizeof(float); void SkColorMatrix_RGB2YUV(SkYUVColorSpace cs, float m[20]) { if ((unsigned)cs < (unsigned)kIdentity_SkYUVColorSpace) { memcpy(m, rgb_to_yuv_array[(unsigned)cs], kSizeOfColorMatrix); } else { memset(m, 0, kSizeOfColorMatrix); m[0] = m[6] = m[12] = m[18] = 1; } } void SkColorMatrix_YUV2RGB(SkYUVColorSpace cs, float m[20]) { if ((unsigned)cs < (unsigned)kIdentity_SkYUVColorSpace) { memcpy(m, yuv_to_rgb_array[(unsigned)cs], kSizeOfColorMatrix); } else { memset(m, 0, kSizeOfColorMatrix); m[0] = m[6] = m[12] = m[18] = 1; } } //////////////////////////////////////////////////////////////////////////////// // we just drop the alpha rol/col from the colormatrix // output is | tr | // | 3x3 tg | // | tb | // | 0 0 0 1 | static void colormatrix_to_matrix44(const float src[20], SkM44* dst) { *dst = SkM44(src[ 0], src[ 1], src[ 2], src[ 4], src[ 5], src[ 6], src[ 7], src[ 9], src[10], src[11], src[12], src[14], 0, 0, 0, 1); } // input: ignore the bottom row // output: inject identity row/column for alpha static void matrix44_to_colormatrix(const SkM44& src, float dst[20]) { dst[0] = src.rc(0,0); dst[1] = src.rc(0,1); dst[2] = src.rc(0,2); dst[3] = 0; dst[4] = src.rc(0,3); // tx dst[5] = src.rc(1,0); dst[6] = src.rc(1,1); dst[7] = src.rc(1,2); dst[8] = 0; dst[9] = src.rc(1,3); // ty dst[10] = src.rc(2,0); dst[11] = src.rc(2,1); dst[12] = src.rc(2,2); dst[13] = 0; dst[14] = src.rc(2,3); // tz dst[15] = dst[16] = dst[17] = dst[19] = 0; dst[18] = 1; } static void scale3(float m[], float s) { for (int i = 0; i < 3; ++i) { m[i] *= s; } } namespace { enum Range { kFull, kLimited }; struct YUVCoeff { float Kr, Kb; int bits; Range range; }; const YUVCoeff gCoeff[] = { { 0.2990f, 0.1140f, 8, kFull }, // kJPEG_Full_SkYUVColorSpace { 0.2990f, 0.1140f, 8, kLimited }, // kRec601_Limited_SkYUVColorSpace { 0.2126f, 0.0722f, 8, kFull }, // kRec709_Full_SkYUVColorSpace { 0.2126f, 0.0722f, 8, kLimited }, // kRec709_Limited_SkYUVColorSpace { 0.2627f, 0.0593f, 8, kFull }, // kBT2020_8bit_Full_SkYUVColorSpace { 0.2627f, 0.0593f, 8, kLimited }, // kBT2020_8bit_Limited_SkYUVColorSpace { 0.2627f, 0.0593f, 10, kFull }, // kBT2020_10bit_Full_SkYUVColorSpace { 0.2627f, 0.0593f, 10, kLimited }, // kBT2020_10bit_Limited_SkYUVColorSpace { 0.2627f, 0.0593f, 12, kFull }, // kBT2020_12bit_Full_SkYUVColorSpace { 0.2627f, 0.0593f, 12, kLimited }, // kBT2020_12bit_Limited_SkYUVColorSpace { 0.2627f, 0.0593f, 16, kFull }, // kBT2020_16bit_Full_SkYUVColorSpace { 0.2627f, 0.0593f, 16, kLimited }, // kBT2020_16bit_Limited_SkYUVColorSpace { 0.3000f, 0.1100f, 8, kFull }, // kFCC_Full_SkYUVColorSpace { 0.3000f, 0.1100f, 8, kLimited }, // kFCC_Limited_SkYUVColorSpace { 0.2120f, 0.0870f, 8, kFull }, // kSMPTE240_Full_SkYUVColorSpace { 0.2120f, 0.0870f, 8, kLimited }, // kSMPTE240_Limited_SkYUVColorSpace }; } // namespace static void make_rgb_to_yuv_matrix_ycbcr(float mx[20], const YUVCoeff& c) { SkASSERT(c.bits >= 8); const float Kr = c.Kr; const float Kb = c.Kb; const float Kg = 1.0f - Kr - Kb; const float Cr = 0.5f / (1.0f - Kb); const float Cb = 0.5f / (1.0f - Kr); const int shift = c.bits - 8; const float denom = static_cast<float>((1 << c.bits) - 1); float scaleY = 1.0f, addY = 0.0f, scaleUV = 1.0f, addUV = (128 << shift) / denom; if (c.range == kLimited) { scaleY = (219 << shift) / denom; addY = ( 16 << shift) / denom; scaleUV = (224 << shift) / denom; } float m[20] = { Kr, Kg, Kb, 0, addY, -Kr, -Kg, 1-Kb, 0, addUV, 1-Kr, -Kg, -Kb, 0, addUV, 0, 0, 0, 1, 0, }; memcpy(mx, m, sizeof(m)); scale3(mx + 0, scaleY ); scale3(mx + 5, Cr * scaleUV); scale3(mx + 10, Cb * scaleUV); } static void make_rgb_to_yuv_matrix_ydzdx(float mx[20], Range range) { const int bits = 8; const float denom = static_cast<float>((1 << bits) - 1); float scaleY = 1.0f, addY = 0.0f, scaleUV = 1.0f, addUV = 128 / denom; if (range == kLimited) { scaleY = 219 / denom; addY = 16 / denom; scaleUV = 224 / denom; } // YDZDX applies range correction to YUV values similar to YCbCr. float m[20] = { 0.0f, 1.0f, 0.0f, 0.0f, addY, // Y 0.0f, -0.5f, 0.986566f / 2.0f, 0.0f, addUV, // DX or DZ 0.5f, -0.991902f / 2.0f, 0.0f, 0.0f, addUV, // DZ or DX 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, }; memcpy(mx, m, sizeof(m)); scale3(mx + 0, scaleY ); scale3(mx + 5, scaleUV); scale3(mx + 10, scaleUV); } static void make_rgb_to_yuv_matrix_gbr(float mx[20], Range range) { const int bits = 8; const float denom = static_cast<float>((1 << bits) - 1); float scaleY = 1.0f, addY = 0.0f; if (range == kLimited) { scaleY = 219 / denom; addY = 16 / denom; } // GBR applies range correction to RGB values similar to YCgCo. float m[20] = { 0.0f, 1.0f, 0.0f, 0.0f, addY, // G 0.0f, 0.0f, 1.0f, 0.0f, addY, // B 1.0f, 0.0f, 0.0f, 0.0f, addY, // R 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, }; memcpy(mx, m, sizeof(m)); scale3(mx + 0, scaleY); scale3(mx + 5, scaleY); scale3(mx + 10, scaleY); } static void make_rgb_to_yuv_matrix_ycgco(float mx[20], int bits, Range range) { SkASSERT(bits >= 8); const int shift = bits - 8; const float denom = static_cast<float>((1 << bits) - 1); float scaleY = 1.0f, addY = 0.0f, chroma05 = static_cast<float>(1 << (bits - 1)) / denom; if (range == kLimited) { scaleY = (219 << shift) / denom; addY = ( 16 << shift) / denom; } float m[20] = { 0.25f, 0.5f, 0.25f, 0.0f, addY, -0.25f, 0.5f, -0.25f, 0.0f, chroma05, 0.5f, 0.0f, -0.5f, 0.0f, chroma05, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, }; memcpy(mx, m, sizeof(m)); scale3(mx + 0, scaleY); scale3(mx + 5, scaleY); scale3(mx + 10, scaleY); } static void make_rgb_to_yuv_matrix(float mx[20], SkYUVColorSpace cs) { switch (cs) { case kJPEG_Full_SkYUVColorSpace: case kRec601_Limited_SkYUVColorSpace: case kRec709_Full_SkYUVColorSpace: case kRec709_Limited_SkYUVColorSpace: case kBT2020_8bit_Full_SkYUVColorSpace: case kBT2020_8bit_Limited_SkYUVColorSpace: case kBT2020_10bit_Full_SkYUVColorSpace: case kBT2020_10bit_Limited_SkYUVColorSpace: case kBT2020_12bit_Full_SkYUVColorSpace: case kBT2020_12bit_Limited_SkYUVColorSpace: case kBT2020_16bit_Full_SkYUVColorSpace: case kBT2020_16bit_Limited_SkYUVColorSpace: case kFCC_Full_SkYUVColorSpace: case kFCC_Limited_SkYUVColorSpace: case kSMPTE240_Full_SkYUVColorSpace: case kSMPTE240_Limited_SkYUVColorSpace: case kIdentity_SkYUVColorSpace: return make_rgb_to_yuv_matrix_ycbcr(mx, gCoeff[(unsigned)cs]); case kYDZDX_Full_SkYUVColorSpace: return make_rgb_to_yuv_matrix_ydzdx(mx, Range::kFull); case kYDZDX_Limited_SkYUVColorSpace: return make_rgb_to_yuv_matrix_ydzdx(mx, Range::kLimited); case kGBR_Full_SkYUVColorSpace: return make_rgb_to_yuv_matrix_gbr(mx, Range::kFull); case kGBR_Limited_SkYUVColorSpace: return make_rgb_to_yuv_matrix_gbr(mx, Range::kLimited); case kYCgCo_8bit_Full_SkYUVColorSpace: return make_rgb_to_yuv_matrix_ycgco(mx, /*bits=*/8, Range::kFull); case kYCgCo_8bit_Limited_SkYUVColorSpace: return make_rgb_to_yuv_matrix_ycgco(mx, /*bits=*/8, Range::kLimited); case kYCgCo_10bit_Full_SkYUVColorSpace: return make_rgb_to_yuv_matrix_ycgco(mx, /*bits=*/10, Range::kFull); case kYCgCo_10bit_Limited_SkYUVColorSpace: return make_rgb_to_yuv_matrix_ycgco(mx, /*bits=*/10, Range::kLimited); case kYCgCo_12bit_Full_SkYUVColorSpace: return make_rgb_to_yuv_matrix_ycgco(mx, /*bits=*/12, Range::kFull); case kYCgCo_12bit_Limited_SkYUVColorSpace: return make_rgb_to_yuv_matrix_ycgco(mx, /*bits=*/12, Range::kLimited); case kYCgCo_16bit_Full_SkYUVColorSpace: return make_rgb_to_yuv_matrix_ycgco(mx, /*bits=*/16, Range::kFull); case kYCgCo_16bit_Limited_SkYUVColorSpace: return make_rgb_to_yuv_matrix_ycgco(mx, /*bits=*/16, Range::kLimited); } } static void dump(const float m[20], SkYUVColorSpace cs, bool rgb2yuv) { const char* names[] = { "JPEG_full", "Rec601_limited", "Rec709_full", "Rec709_limited", "BT2020_8bit_full", "BT2020_8bit_limited", "BT2020_10bit_full", "BT2020_10bit_limited", "BT2020_12bit_full", "BT2020_12bit_limited", "BT2020_16bit_full", "BT2020_16bit_limited", "FCC_full", "FCC_limited", "SMPTE240_full", "SMPTE240_limited", "YDZDX_full", "YDZDX_limited", "GBR_full", "GBR_limited", "YCgCo_8bit_full", "YCgCo_8bit_limited", "YCgCo_10bit_full", "YCgCo_10bit_limited", "YCgCo_12bit_full", "YCgCo_12bit_limited", "YCgCo_16bit_full", "YCgCo_16bit_limited", }; const char* dirnames[] = { "yuv_to_rgb", "rgb_to_yuv", }; SkDebugf("constexpr float %s_%s[] = {\n", names[cs], dirnames[rgb2yuv]); SkDebugf("#if defined(SK_YUV_COLOR_SPACE_HIGH_PRECISION)\n"); for (int i = 0; i < 4; ++i) { SkDebugf(" "); for (int j = 0; j < 5; ++j) { const float v = m[i * 5 + j]; SkDebugf(" %16af,", v); } SkDebugf("\n"); } SkDebugf("#else\n"); for (int i = 0; i < 4; ++i) { SkDebugf(" "); for (int j = 0; j < 5; ++j) { SkDebugf(" %16.6ff,", m[i * 5 + j]); } SkDebugf("\n"); } SkDebugf("#endif\n"); SkDebugf("};\n"); } // Used to create the prebuilt tables for each colorspace. // Don't remove this function, in case we want to recompute those tables in the future. void SkColorMatrix_DumpYUVMatrixTables() { for (int i = 0; i < kLastEnum_SkYUVColorSpace; ++i) { SkYUVColorSpace cs = static_cast<SkYUVColorSpace>(i); float m[20]; make_rgb_to_yuv_matrix(m, cs); dump(m, cs, true); SkM44 m44, im44; colormatrix_to_matrix44(m, &m44); float im[20]; #ifdef SK_DEBUG // be sure our coversion between matrix44 and colormatrix is perfect matrix44_to_colormatrix(m44, im); SkASSERT(memcmp(m, im, sizeof(im)) == 0); #endif SkAssertResult(m44.invert(&im44)); matrix44_to_colormatrix(im44, im); dump(im, cs, false); } }
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2026-08-25