diff options
| -rw-r--r-- | src/core/SkColorSpaceXform.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/core/SkColorSpaceXform.cpp b/src/core/SkColorSpaceXform.cpp index 7f55c6f82d..887b0a0361 100644 --- a/src/core/SkColorSpaceXform.cpp +++ b/src/core/SkColorSpaceXform.cpp @@ -439,6 +439,7 @@ bool SkColorSpaceXform_XYZ::onApply(ColorFormat dstColorFormat, void* dst, SkJumper_MemoryCtx src_ctx = { (void*)src, 0 }, dst_ctx = { (void*)dst, 0 }; +#if defined(SK_COLOR_SPACE_XFORM_LEGACY_PIPELINE) LoadTablesContext loadTables; switch (srcColorFormat) { case kRGBA_8888_ColorFormat: @@ -589,6 +590,77 @@ bool SkColorSpaceXform_XYZ::onApply(ColorFormat dstColorFormat, void* dst, default: return false; } +#else + // 1) Load src pixels. + SkRasterPipeline::StockStage load_src; + switch (srcColorFormat) { + case kRGBA_8888_ColorFormat: load_src = SkRasterPipeline::load_8888 ; break; + case kBGRA_8888_ColorFormat: load_src = SkRasterPipeline::load_bgra ; break; + case kRGB_U16_BE_ColorFormat: load_src = SkRasterPipeline::load_rgb_u16_be; break; + case kRGBA_U16_BE_ColorFormat: load_src = SkRasterPipeline::load_u16_be ; break; + case kRGBA_F16_ColorFormat: load_src = SkRasterPipeline::load_f16 ; break; + case kRGBA_F32_ColorFormat: load_src = SkRasterPipeline::load_f32 ; break; + case kBGR_565_ColorFormat: load_src = SkRasterPipeline::load_565 ; break; + } + pipeline.append(load_src, &src_ctx); + + // 2) Linearize. + SkJumper_TableCtx table_r{fSrcGammaTables[0], 256}, + table_g{fSrcGammaTables[1], 256}, + table_b{fSrcGammaTables[2], 256}; + switch (fSrcGamma) { + case kLinear_SrcGamma: break; + case kSRGB_SrcGamma: pipeline.append_from_srgb(kUnpremul_SkAlphaType); break; + case kTable_SrcGamma: pipeline.append(SkRasterPipeline::table_r, &table_r); + pipeline.append(SkRasterPipeline::table_g, &table_g); + pipeline.append(SkRasterPipeline::table_b, &table_b); break; + } + + // 3) Gamut transform. + if (!fSrcToDstIsIdentity) { + pipeline.append(SkRasterPipeline::matrix_3x4, fSrcToDst); + if (kRGBA_F16_ColorFormat != dstColorFormat && kRGBA_F32_ColorFormat != dstColorFormat) { + pipeline.append(SkRasterPipeline::clamp_0); + pipeline.append(SkRasterPipeline::clamp_1); + } + } + + // 4) Apply transfer function and any premultiplication if necessary. + float to_2dot2 = 1/2.2f; + TablesContext tables = { + fDstGammaTables[0], + fDstGammaTables[1], + fDstGammaTables[2], + SkColorSpaceXform_Base::kDstGammaTableSize, + }; + + if (kPremul_SkAlphaType == alphaType && SkTransferFunctionBehavior::kRespect == fPremulBehavior) + { + pipeline.append(SkRasterPipeline::premul); + } + switch (fDstGamma) { + case kLinear_DstGamma: break; + case kSRGB_DstGamma: pipeline.append(SkRasterPipeline::to_srgb); break; + case k2Dot2_DstGamma: pipeline.append(SkRasterPipeline::gamma, &to_2dot2); break; + case kTable_DstGamma: pipeline.append(SkRasterPipeline::byte_tables_rgb, &tables); break; + } + if (kPremul_SkAlphaType == alphaType && SkTransferFunctionBehavior::kIgnore == fPremulBehavior) + { + pipeline.append(SkRasterPipeline::premul); + } + + // 5) Store to dst. + SkRasterPipeline::StockStage store_dst; + switch (dstColorFormat) { + case kRGBA_8888_ColorFormat: store_dst = SkRasterPipeline::store_8888; break; + case kBGRA_8888_ColorFormat: store_dst = SkRasterPipeline::store_bgra; break; + case kRGBA_F16_ColorFormat: store_dst = SkRasterPipeline::store_f16 ; break; + case kRGBA_F32_ColorFormat: store_dst = SkRasterPipeline::store_f32 ; break; + case kBGR_565_ColorFormat: store_dst = SkRasterPipeline::store_565 ; break; + default: return false; + } + pipeline.append(store_dst, &dst_ctx); +#endif pipeline.run(0,0, len,1); return true; |