/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef _MOZILLA_GFX_FILTERPROCESSING_H_ #define _MOZILLA_GFX_FILTERPROCESSING_H_ #include "2D.h" #include "Filters.h" namespace mozilla { namespace gfx { const ptrdiff_t B8G8R8A8_COMPONENT_BYTEOFFSET_B = 0; const ptrdiff_t B8G8R8A8_COMPONENT_BYTEOFFSET_G = 1; const ptrdiff_t B8G8R8A8_COMPONENT_BYTEOFFSET_R = 2; const ptrdiff_t B8G8R8A8_COMPONENT_BYTEOFFSET_A = 3; class FilterProcessing { public: // Fast approximate division by 255. It has the property that // for all 0 <= v <= 255*255, FastDivideBy255(v) == v/255. // But it only uses two adds and two shifts instead of an // integer division (which is expensive on many processors). template static B FastDivideBy255(A v) { return ((v << 8) + v + 255) >> 16; } static already_AddRefed ExtractAlpha( DataSourceSurface* aSource); static already_AddRefed ConvertToB8G8R8A8( SourceSurface* aSurface); static already_AddRefed ApplyBlending( DataSourceSurface* aInput1, DataSourceSurface* aInput2, BlendMode aBlendMode); static void ApplyMorphologyHorizontal(uint8_t* aSourceData, int32_t aSourceStride, uint8_t* aDestData, int32_t aDestStride, const IntRect& aDestRect, int32_t aRadius, MorphologyOperator aOperator); static void ApplyMorphologyVertical(uint8_t* aSourceData, int32_t aSourceStride, uint8_t* aDestData, int32_t aDestStride, const IntRect& aDestRect, int32_t aRadius, MorphologyOperator aOperator); static already_AddRefed ApplyColorMatrix( DataSourceSurface* aInput, const Matrix5x4& aMatrix); static void ApplyComposition(DataSourceSurface* aSource, DataSourceSurface* aDest, CompositeOperator aOperator); static void SeparateColorChannels(DataSourceSurface* aSource, RefPtr& aChannel0, RefPtr& aChannel1, RefPtr& aChannel2, RefPtr& aChannel3); static already_AddRefed CombineColorChannels( DataSourceSurface* aChannel0, DataSourceSurface* aChannel1, DataSourceSurface* aChannel2, DataSourceSurface* aChannel3); static void DoPremultiplicationCalculation(const IntSize& aSize, uint8_t* aTargetData, int32_t aTargetStride, uint8_t* aSourceData, int32_t aSourceStride); static void DoUnpremultiplicationCalculation(const IntSize& aSize, uint8_t* aTargetData, int32_t aTargetStride, uint8_t* aSourceData, int32_t aSourceStride); static void DoOpacityCalculation(const IntSize& aSize, uint8_t* aTargetData, int32_t aTargetStride, uint8_t* aSourceData, int32_t aSourceStride, Float aValue); static void DoOpacityCalculationA8(const IntSize& aSize, uint8_t* aTargetData, int32_t aTargetStride, uint8_t* aSourceData, int32_t aSourceStride, Float aValue); static already_AddRefed RenderTurbulence( const IntSize& aSize, const Point& aOffset, const Size& aBaseFrequency, int32_t aSeed, int aNumOctaves, TurbulenceType aType, bool aStitch, const Rect& aTileRect); static already_AddRefed ApplyArithmeticCombine( DataSourceSurface* aInput1, DataSourceSurface* aInput2, Float aK1, Float aK2, Float aK3, Float aK4); protected: static void ExtractAlpha_Scalar(const IntSize& size, uint8_t* sourceData, int32_t sourceStride, uint8_t* alphaData, int32_t alphaStride); static already_AddRefed ConvertToB8G8R8A8_Scalar( SourceSurface* aSurface); static void ApplyMorphologyHorizontal_Scalar( uint8_t* aSourceData, int32_t aSourceStride, uint8_t* aDestData, int32_t aDestStride, const IntRect& aDestRect, int32_t aRadius, MorphologyOperator aOperator); static void ApplyMorphologyVertical_Scalar( uint8_t* aSourceData, int32_t aSourceStride, uint8_t* aDestData, int32_t aDestStride, const IntRect& aDestRect, int32_t aRadius, MorphologyOperator aOperator); static already_AddRefed ApplyColorMatrix_Scalar( DataSourceSurface* aInput, const Matrix5x4& aMatrix); static void ApplyComposition_Scalar(DataSourceSurface* aSource, DataSourceSurface* aDest, CompositeOperator aOperator); static void SeparateColorChannels_Scalar( const IntSize& size, uint8_t* sourceData, int32_t sourceStride, uint8_t* channel0Data, uint8_t* channel1Data, uint8_t* channel2Data, uint8_t* channel3Data, int32_t channelStride); static void CombineColorChannels_Scalar( const IntSize& size, int32_t resultStride, uint8_t* resultData, int32_t channelStride, uint8_t* channel0Data, uint8_t* channel1Data, uint8_t* channel2Data, uint8_t* channel3Data); static void DoPremultiplicationCalculation_Scalar(const IntSize& aSize, uint8_t* aTargetData, int32_t aTargetStride, uint8_t* aSourceData, int32_t aSourceStride); static void DoUnpremultiplicationCalculation_Scalar(const IntSize& aSize, uint8_t* aTargetData, int32_t aTargetStride, uint8_t* aSourceData, int32_t aSourceStride); static void DoOpacityCalculation_Scalar(const IntSize& aSize, uint8_t* aTargetData, int32_t aTargetStride, uint8_t* aSourceData, int32_t aSourceStride, Float aValue); static void DoOpacityCalculationA8_Scalar( const IntSize& aSize, uint8_t* aTargetData, int32_t aTargetStride, uint8_t* aSourceData, int32_t aSourceStride, Float aValue); static already_AddRefed RenderTurbulence_Scalar( const IntSize& aSize, const Point& aOffset, const Size& aBaseFrequency, int32_t aSeed, int aNumOctaves, TurbulenceType aType, bool aStitch, const Rect& aTileRect); static already_AddRefed ApplyArithmeticCombine_Scalar( DataSourceSurface* aInput1, DataSourceSurface* aInput2, Float aK1, Float aK2, Float aK3, Float aK4); #ifdef USE_SSE2 static void ExtractAlpha_SSE2(const IntSize& size, uint8_t* sourceData, int32_t sourceStride, uint8_t* alphaData, int32_t alphaStride); static already_AddRefed ConvertToB8G8R8A8_SSE2( SourceSurface* aSurface); static already_AddRefed ApplyBlending_SSE2( DataSourceSurface* aInput1, DataSourceSurface* aInput2, BlendMode aBlendMode); static void ApplyMorphologyHorizontal_SSE2( uint8_t* aSourceData, int32_t aSourceStride, uint8_t* aDestData, int32_t aDestStride, const IntRect& aDestRect, int32_t aRadius, MorphologyOperator aOperator); static void ApplyMorphologyVertical_SSE2( uint8_t* aSourceData, int32_t aSourceStride, uint8_t* aDestData, int32_t aDestStride, const IntRect& aDestRect, int32_t aRadius, MorphologyOperator aOperator); static already_AddRefed ApplyColorMatrix_SSE2( DataSourceSurface* aInput, const Matrix5x4& aMatrix); static void ApplyComposition_SSE2(DataSourceSurface* aSource, DataSourceSurface* aDest, CompositeOperator aOperator); static void SeparateColorChannels_SSE2( const IntSize& size, uint8_t* sourceData, int32_t sourceStride, uint8_t* channel0Data, uint8_t* channel1Data, uint8_t* channel2Data, uint8_t* channel3Data, int32_t channelStride); static void CombineColorChannels_SSE2( const IntSize& size, int32_t resultStride, uint8_t* resultData, int32_t channelStride, uint8_t* channel0Data, uint8_t* channel1Data, uint8_t* channel2Data, uint8_t* channel3Data); static void DoPremultiplicationCalculation_SSE2(const IntSize& aSize, uint8_t* aTargetData, int32_t aTargetStride, uint8_t* aSourceData, int32_t aSourceStride); static void DoUnpremultiplicationCalculation_SSE2(const IntSize& aSize, uint8_t* aTargetData, int32_t aTargetStride, uint8_t* aSourceData, int32_t aSourceStride); static void DoOpacityCalculation_SSE2(const IntSize& aSize, uint8_t* aTargetData, int32_t aTargetStride, uint8_t* aSourceData, int32_t aSourceStride, Float aValue); static already_AddRefed RenderTurbulence_SSE2( const IntSize& aSize, const Point& aOffset, const Size& aBaseFrequency, int32_t aSeed, int aNumOctaves, TurbulenceType aType, bool aStitch, const Rect& aTileRect); static already_AddRefed ApplyArithmeticCombine_SSE2( DataSourceSurface* aInput1, DataSourceSurface* aInput2, Float aK1, Float aK2, Float aK3, Float aK4); #endif }; // Constant-time max and min functions for unsigned arguments static inline unsigned umax(unsigned a, unsigned b) { return a - ((a - b) & -(a < b)); } static inline unsigned umin(unsigned a, unsigned b) { return a - ((a - b) & -(a > b)); } } // namespace gfx } // namespace mozilla #endif // _MOZILLA_GFX_FILTERPROCESSING_H_