1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/2d/FilterProcessing.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,142 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef _MOZILLA_GFX_FILTERPROCESSING_H_
1.10 +#define _MOZILLA_GFX_FILTERPROCESSING_H_
1.11 +
1.12 +#include "2D.h"
1.13 +#include "Filters.h"
1.14 +
1.15 +namespace mozilla {
1.16 +namespace gfx {
1.17 +
1.18 +const ptrdiff_t B8G8R8A8_COMPONENT_BYTEOFFSET_B = 0;
1.19 +const ptrdiff_t B8G8R8A8_COMPONENT_BYTEOFFSET_G = 1;
1.20 +const ptrdiff_t B8G8R8A8_COMPONENT_BYTEOFFSET_R = 2;
1.21 +const ptrdiff_t B8G8R8A8_COMPONENT_BYTEOFFSET_A = 3;
1.22 +
1.23 +class FilterProcessing
1.24 +{
1.25 +public:
1.26 +
1.27 + // Fast approximate division by 255. It has the property that
1.28 + // for all 0 <= v <= 255*255, FastDivideBy255(v) == v/255.
1.29 + // But it only uses two adds and two shifts instead of an
1.30 + // integer division (which is expensive on many processors).
1.31 + template<class B, class A>
1.32 + static B FastDivideBy255(A v)
1.33 + {
1.34 + return ((v << 8) + v + 255) >> 16;
1.35 + }
1.36 +
1.37 + static TemporaryRef<DataSourceSurface> ExtractAlpha(DataSourceSurface* aSource);
1.38 + static TemporaryRef<DataSourceSurface> ConvertToB8G8R8A8(SourceSurface* aSurface);
1.39 + static TemporaryRef<DataSourceSurface> ApplyBlending(DataSourceSurface* aInput1, DataSourceSurface* aInput2, BlendMode aBlendMode);
1.40 + static void ApplyMorphologyHorizontal(uint8_t* aSourceData, int32_t aSourceStride,
1.41 + uint8_t* aDestData, int32_t aDestStride,
1.42 + const IntRect& aDestRect, int32_t aRadius,
1.43 + MorphologyOperator aOperator);
1.44 + static void ApplyMorphologyVertical(uint8_t* aSourceData, int32_t aSourceStride,
1.45 + uint8_t* aDestData, int32_t aDestStride,
1.46 + const IntRect& aDestRect, int32_t aRadius,
1.47 + MorphologyOperator aOperator);
1.48 + static TemporaryRef<DataSourceSurface> ApplyColorMatrix(DataSourceSurface* aInput, const Matrix5x4 &aMatrix);
1.49 + static void ApplyComposition(DataSourceSurface* aSource, DataSourceSurface* aDest, CompositeOperator aOperator);
1.50 + static void SeparateColorChannels(DataSourceSurface* aSource,
1.51 + RefPtr<DataSourceSurface>& aChannel0,
1.52 + RefPtr<DataSourceSurface>& aChannel1,
1.53 + RefPtr<DataSourceSurface>& aChannel2,
1.54 + RefPtr<DataSourceSurface>& aChannel3);
1.55 + static TemporaryRef<DataSourceSurface>
1.56 + CombineColorChannels(DataSourceSurface* aChannel0, DataSourceSurface* aChannel1,
1.57 + DataSourceSurface* aChannel2, DataSourceSurface* aChannel3);
1.58 + static void DoPremultiplicationCalculation(const IntSize& aSize,
1.59 + uint8_t* aTargetData, int32_t aTargetStride,
1.60 + uint8_t* aSourceData, int32_t aSourceStride);
1.61 + static void DoUnpremultiplicationCalculation(const IntSize& aSize,
1.62 + uint8_t* aTargetData, int32_t aTargetStride,
1.63 + uint8_t* aSourceData, int32_t aSourceStride);
1.64 + static TemporaryRef<DataSourceSurface>
1.65 + RenderTurbulence(const IntSize &aSize, const Point &aOffset, const Size &aBaseFrequency,
1.66 + int32_t aSeed, int aNumOctaves, TurbulenceType aType, bool aStitch, const Rect &aTileRect);
1.67 + static TemporaryRef<DataSourceSurface>
1.68 + ApplyArithmeticCombine(DataSourceSurface* aInput1, DataSourceSurface* aInput2, Float aK1, Float aK2, Float aK3, Float aK4);
1.69 +
1.70 +protected:
1.71 + static void ExtractAlpha_Scalar(const IntSize& size, uint8_t* sourceData, int32_t sourceStride, uint8_t* alphaData, int32_t alphaStride);
1.72 + static TemporaryRef<DataSourceSurface> ConvertToB8G8R8A8_Scalar(SourceSurface* aSurface);
1.73 + static TemporaryRef<DataSourceSurface> ApplyBlending_Scalar(DataSourceSurface* aInput1, DataSourceSurface* aInput2, BlendMode aBlendMode);
1.74 + static void ApplyMorphologyHorizontal_Scalar(uint8_t* aSourceData, int32_t aSourceStride,
1.75 + uint8_t* aDestData, int32_t aDestStride,
1.76 + const IntRect& aDestRect, int32_t aRadius,
1.77 + MorphologyOperator aOperator);
1.78 + static void ApplyMorphologyVertical_Scalar(uint8_t* aSourceData, int32_t aSourceStride,
1.79 + uint8_t* aDestData, int32_t aDestStride,
1.80 + const IntRect& aDestRect, int32_t aRadius,
1.81 + MorphologyOperator aOperator);
1.82 + static TemporaryRef<DataSourceSurface> ApplyColorMatrix_Scalar(DataSourceSurface* aInput, const Matrix5x4 &aMatrix);
1.83 + static void ApplyComposition_Scalar(DataSourceSurface* aSource, DataSourceSurface* aDest, CompositeOperator aOperator);
1.84 +
1.85 + 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);
1.86 + 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);
1.87 + static void DoPremultiplicationCalculation_Scalar(const IntSize& aSize,
1.88 + uint8_t* aTargetData, int32_t aTargetStride,
1.89 + uint8_t* aSourceData, int32_t aSourceStride);
1.90 + static void DoUnpremultiplicationCalculation_Scalar(const IntSize& aSize,
1.91 + uint8_t* aTargetData, int32_t aTargetStride,
1.92 + uint8_t* aSourceData, int32_t aSourceStride);
1.93 + static TemporaryRef<DataSourceSurface>
1.94 + RenderTurbulence_Scalar(const IntSize &aSize, const Point &aOffset, const Size &aBaseFrequency,
1.95 + int32_t aSeed, int aNumOctaves, TurbulenceType aType, bool aStitch, const Rect &aTileRect);
1.96 + static TemporaryRef<DataSourceSurface>
1.97 + ApplyArithmeticCombine_Scalar(DataSourceSurface* aInput1, DataSourceSurface* aInput2, Float aK1, Float aK2, Float aK3, Float aK4);
1.98 +
1.99 +#ifdef USE_SSE2
1.100 + static void ExtractAlpha_SSE2(const IntSize& size, uint8_t* sourceData, int32_t sourceStride, uint8_t* alphaData, int32_t alphaStride);
1.101 + static TemporaryRef<DataSourceSurface> ConvertToB8G8R8A8_SSE2(SourceSurface* aSurface);
1.102 + static TemporaryRef<DataSourceSurface> ApplyBlending_SSE2(DataSourceSurface* aInput1, DataSourceSurface* aInput2, BlendMode aBlendMode);
1.103 + static void ApplyMorphologyHorizontal_SSE2(uint8_t* aSourceData, int32_t aSourceStride,
1.104 + uint8_t* aDestData, int32_t aDestStride,
1.105 + const IntRect& aDestRect, int32_t aRadius,
1.106 + MorphologyOperator aOperator);
1.107 + static void ApplyMorphologyVertical_SSE2(uint8_t* aSourceData, int32_t aSourceStride,
1.108 + uint8_t* aDestData, int32_t aDestStride,
1.109 + const IntRect& aDestRect, int32_t aRadius,
1.110 + MorphologyOperator aOperator);
1.111 + static TemporaryRef<DataSourceSurface> ApplyColorMatrix_SSE2(DataSourceSurface* aInput, const Matrix5x4 &aMatrix);
1.112 + static void ApplyComposition_SSE2(DataSourceSurface* aSource, DataSourceSurface* aDest, CompositeOperator aOperator);
1.113 + 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);
1.114 + 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);
1.115 + static void DoPremultiplicationCalculation_SSE2(const IntSize& aSize,
1.116 + uint8_t* aTargetData, int32_t aTargetStride,
1.117 + uint8_t* aSourceData, int32_t aSourceStride);
1.118 + static void DoUnpremultiplicationCalculation_SSE2(const IntSize& aSize,
1.119 + uint8_t* aTargetData, int32_t aTargetStride,
1.120 + uint8_t* aSourceData, int32_t aSourceStride);
1.121 + static TemporaryRef<DataSourceSurface>
1.122 + RenderTurbulence_SSE2(const IntSize &aSize, const Point &aOffset, const Size &aBaseFrequency,
1.123 + int32_t aSeed, int aNumOctaves, TurbulenceType aType, bool aStitch, const Rect &aTileRect);
1.124 + static TemporaryRef<DataSourceSurface>
1.125 + ApplyArithmeticCombine_SSE2(DataSourceSurface* aInput1, DataSourceSurface* aInput2, Float aK1, Float aK2, Float aK3, Float aK4);
1.126 +#endif
1.127 +};
1.128 +
1.129 +// Constant-time max and min functions for unsigned arguments
1.130 +static inline unsigned
1.131 +umax(unsigned a, unsigned b)
1.132 +{
1.133 + return a - ((a - b) & -(a < b));
1.134 +}
1.135 +
1.136 +static inline unsigned
1.137 +umin(unsigned a, unsigned b)
1.138 +{
1.139 + return a - ((a - b) & -(a > b));
1.140 +}
1.141 +
1.142 +} // namespace gfx
1.143 +} // namespace mozilla
1.144 +
1.145 +#endif // _MOZILLA_GFX_FILTERPROCESSING_H_
