Add m-esr52 at 52.6.0

1 files changed, 724 insertions, 0 deletions

diff --git a/gfx/2d/FilterNodeSoftware.h b/gfx/2d/FilterNodeSoftware.h
new file mode 100644
index 000000000..7ad27ec0f
--- /dev/null
+++ b/gfx/2d/FilterNodeSoftware.h
@@ -0,0 +1,724 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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_FILTERNODESOFTWARE_H_
+#define _MOZILLA_GFX_FILTERNODESOFTWARE_H_
+
+#include "Filters.h"
+#include <vector>
+
+namespace mozilla {
+namespace gfx {
+
+class DataSourceSurface;
+class DrawTarget;
+struct DrawOptions;
+class FilterNodeSoftware;
+
+/**
+ * Can be attached to FilterNodeSoftware instances using
+ * AddInvalidationListener. FilterInvalidated is called whenever the output of
+ * the observed filter may have changed; that is, whenever cached GetOutput()
+ * results (and results derived from them) need to discarded.
+ */
+class FilterInvalidationListener
+{
+public:
+  virtual void FilterInvalidated(FilterNodeSoftware* aFilter) = 0;
+};
+
+/**
+ * This is the base class for the software (i.e. pure CPU, non-accelerated)
+ * FilterNode implementation. The software implementation is backend-agnostic,
+ * so it can be used as a fallback for all DrawTarget implementations.
+ */
+class FilterNodeSoftware : public FilterNode,
+                           public FilterInvalidationListener
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeSoftware, override)
+  virtual ~FilterNodeSoftware();
+
+  // Factory method, intended to be called from DrawTarget*::CreateFilter.
+  static already_AddRefed<FilterNode> Create(FilterType aType);
+
+  // Draw the filter, intended to be called by DrawTarget*::DrawFilter.
+  void Draw(DrawTarget* aDrawTarget, const Rect &aSourceRect,
+            const Point &aDestPoint, const DrawOptions &aOptions);
+
+  virtual FilterBackend GetBackendType() override { return FILTER_BACKEND_SOFTWARE; }
+  virtual void SetInput(uint32_t aIndex, SourceSurface *aSurface) override;
+  virtual void SetInput(uint32_t aIndex, FilterNode *aFilter) override;
+
+  virtual const char* GetName() { return "Unknown"; }
+
+  virtual void AddInvalidationListener(FilterInvalidationListener* aListener);
+  virtual void RemoveInvalidationListener(FilterInvalidationListener* aListener);
+
+  // FilterInvalidationListener implementation
+  virtual void FilterInvalidated(FilterNodeSoftware* aFilter) override;
+
+protected:
+
+  // The following methods are intended to be overriden by subclasses.
+
+  /**
+   * Translates a *FilterInputs enum value into an index for the
+   * mInputFilters / mInputSurfaces arrays. Returns -1 for invalid inputs.
+   * If somebody calls SetInput(enumValue, input) with an enumValue for which
+   * InputIndex(enumValue) is -1, we abort.
+   */
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) { return -1; }
+
+  /**
+   * Every filter node has an output rect, which can also be infinite. The
+   * output rect can depend on the values of any set attributes and on the
+   * output rects of any input filters or surfaces.
+   * This method returns the intersection of the filter's output rect with
+   * aInRect. Filters with unconstrained output always return aInRect.
+   */
+  virtual IntRect GetOutputRectInRect(const IntRect& aInRect) = 0;
+
+  /**
+   * Return a surface with the rendered output which is of size aRect.Size().
+   * aRect is required to be a subrect of this filter's output rect; in other
+   * words, aRect == GetOutputRectInRect(aRect) must always be true.
+   * May return nullptr in error conditions or for an empty aRect.
+   * Implementations are not required to allocate a new surface and may even
+   * pass through input surfaces unchanged.
+   * Callers need to treat the returned surface as immutable.
+   */
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) = 0;
+
+  /**
+   * Call RequestRect (see below) on any input filters with the desired input
+   * rect, so that the input filter knows what to cache the next time it
+   * renders.
+   */
+  virtual void RequestFromInputsForRect(const IntRect &aRect) {}
+
+  /**
+   * This method provides a caching default implementation but can be overriden
+   * by subclasses that don't want to cache their output. Those classes should
+   * call Render(aRect) directly from here.
+   */
+  virtual already_AddRefed<DataSourceSurface> GetOutput(const IntRect &aRect);
+
+  // The following methods are non-virtual helper methods.
+
+  /**
+   * Format hints for GetInputDataSourceSurface. Some callers of
+   * GetInputDataSourceSurface can handle both B8G8R8A8 and A8 surfaces, these
+   * should pass CAN_HANDLE_A8 in order to avoid unnecessary conversions.
+   * Callers that can only handle B8G8R8A8 surfaces pass NEED_COLOR_CHANNELS.
+   */
+  enum FormatHint {
+    CAN_HANDLE_A8,
+    NEED_COLOR_CHANNELS
+  };
+
+  /**
+   * Returns SurfaceFormat::B8G8R8A8 or SurfaceFormat::A8, depending on the current surface
+   * format and the format hint.
+   */
+  SurfaceFormat DesiredFormat(SurfaceFormat aCurrentFormat,
+                              FormatHint aFormatHint);
+
+  /**
+   * Intended to be called by FilterNodeSoftware::Render implementations.
+   * Returns a surface of size aRect.Size() or nullptr in error conditions. The
+   * returned surface contains the output of the specified input filter or
+   * input surface in aRect. If aRect extends beyond the input filter's output
+   * rect (or the input surface's dimensions), the remaining area is filled
+   * according to aEdgeMode: The default, EDGE_MODE_NONE, simply pads with
+   * transparent black.
+   * If non-null, the returned surface is guaranteed to be of SurfaceFormat::A8 or
+   * SurfaceFormat::B8G8R8A8. If aFormatHint is NEED_COLOR_CHANNELS, the returned
+   * surface is guaranteed to be of SurfaceFormat::B8G8R8A8 always.
+   * Each pixel row of the returned surface is guaranteed to be 16-byte aligned.
+   */
+  already_AddRefed<DataSourceSurface>
+    GetInputDataSourceSurface(uint32_t aInputEnumIndex, const IntRect& aRect,
+                              FormatHint aFormatHint = CAN_HANDLE_A8,
+                              ConvolveMatrixEdgeMode aEdgeMode = EDGE_MODE_NONE,
+                              const IntRect *aTransparencyPaddedSourceRect = nullptr);
+
+  /**
+   * Returns the intersection of the input filter's or surface's output rect
+   * with aInRect.
+   */
+  IntRect GetInputRectInRect(uint32_t aInputEnumIndex, const IntRect& aInRect);
+
+  /**
+   * Calls RequestRect on the specified input, if it's a filter.
+   */
+  void RequestInputRect(uint32_t aInputEnumIndex, const IntRect& aRect);
+
+  /**
+   * Returns the number of set input filters or surfaces. Needed for filters
+   * which can have an arbitrary number of inputs.
+   */
+  size_t NumberOfSetInputs();
+
+  /**
+   * Discard the cached surface that was stored in the GetOutput default
+   * implementation. Needs to be called whenever attributes or inputs are set
+   * that might change the result of a Render() call.
+   */
+  void Invalidate();
+
+  /**
+   * Called in order to let this filter know what to cache during the next
+   * GetOutput call. Expected to call RequestRect on this filter's input
+   * filters.
+   */
+  void RequestRect(const IntRect &aRect);
+
+  /**
+   * Set input filter and clear input surface for this input index, or set
+   * input surface and clear input filter. One of aSurface and aFilter should
+   * be null.
+   */
+  void SetInput(uint32_t aIndex, SourceSurface *aSurface,
+                FilterNodeSoftware *aFilter);
+
+protected:
+  /**
+   * mInputSurfaces / mInputFilters: For each input index, either a surface or
+   * a filter is set, and the other is null.
+   */
+  std::vector<RefPtr<SourceSurface> > mInputSurfaces;
+  std::vector<RefPtr<FilterNodeSoftware> > mInputFilters;
+
+  /**
+   * Weak pointers to our invalidation listeners, i.e. to those filters who
+   * have this filter as an input. Invalidation listeners are required to
+   * unsubscribe themselves from us when they let go of their reference to us.
+   * This ensures that the pointers in this array are never stale.
+   */
+  std::vector<FilterInvalidationListener*> mInvalidationListeners;
+
+  /**
+   * Stores the rect which we want to render and cache on the next call to
+   * GetOutput.
+   */
+  IntRect mRequestedRect;
+
+  /**
+   * Stores our cached output.
+   */
+  IntRect mCachedRect;
+  RefPtr<DataSourceSurface> mCachedOutput;
+};
+
+// Subclasses for specific filters.
+
+class FilterNodeTransformSoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeTransformSoftware, override)
+  FilterNodeTransformSoftware();
+  virtual const char* GetName() override { return "Transform"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, uint32_t aGraphicsFilter) override;
+  virtual void SetAttribute(uint32_t aIndex, const Matrix &aMatrix) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+  IntRect SourceRectForOutputRect(const IntRect &aRect);
+
+private:
+  Matrix mMatrix;
+  SamplingFilter mSamplingFilter;
+};
+
+class FilterNodeBlendSoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeBlendSoftware, override)
+  FilterNodeBlendSoftware();
+  virtual const char* GetName() override { return "Blend"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, uint32_t aBlendMode) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+
+private:
+  BlendMode mBlendMode;
+};
+
+class FilterNodeMorphologySoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeMorphologySoftware, override)
+  FilterNodeMorphologySoftware();
+  virtual const char* GetName() override { return "Morphology"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, const IntSize &aRadii) override;
+  virtual void SetAttribute(uint32_t aIndex, uint32_t aOperator) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+
+private:
+  IntSize mRadii;
+  MorphologyOperator mOperator;
+};
+
+class FilterNodeColorMatrixSoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeColorMatrixSoftware, override)
+  virtual const char* GetName() override { return "ColorMatrix"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, const Matrix5x4 &aMatrix) override;
+  virtual void SetAttribute(uint32_t aIndex, uint32_t aAlphaMode) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+
+private:
+  Matrix5x4 mMatrix;
+  AlphaMode mAlphaMode;
+};
+
+class FilterNodeFloodSoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeFloodSoftware, override)
+  virtual const char* GetName() override { return "Flood"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, const Color &aColor) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> GetOutput(const IntRect &aRect) override;
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+
+private:
+  Color mColor;
+};
+
+class FilterNodeTileSoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeTileSoftware, override)
+  virtual const char* GetName() override { return "Tile"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, const IntRect &aSourceRect) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+
+private:
+  IntRect mSourceRect;
+};
+
+/**
+ * Baseclass for the four different component transfer filters.
+ */
+class FilterNodeComponentTransferSoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeComponentTransferSoftware, override)
+  FilterNodeComponentTransferSoftware();
+
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, bool aDisable) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+  virtual void GenerateLookupTable(ptrdiff_t aComponent, uint8_t aTables[4][256],
+                                   bool aDisabled);
+  virtual void FillLookupTable(ptrdiff_t aComponent, uint8_t aTable[256]) = 0;
+
+  bool mDisableR;
+  bool mDisableG;
+  bool mDisableB;
+  bool mDisableA;
+};
+
+class FilterNodeTableTransferSoftware : public FilterNodeComponentTransferSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeTableTransferSoftware, override)
+  virtual const char* GetName() override { return "TableTransfer"; }
+  using FilterNodeComponentTransferSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, const Float* aFloat, uint32_t aSize) override;
+
+protected:
+  virtual void FillLookupTable(ptrdiff_t aComponent, uint8_t aTable[256]) override;
+
+private:
+  void FillLookupTableImpl(std::vector<Float>& aTableValues, uint8_t aTable[256]);
+
+  std::vector<Float> mTableR;
+  std::vector<Float> mTableG;
+  std::vector<Float> mTableB;
+  std::vector<Float> mTableA;
+};
+
+class FilterNodeDiscreteTransferSoftware : public FilterNodeComponentTransferSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeDiscreteTransferSoftware, override)
+  virtual const char* GetName() override { return "DiscreteTransfer"; }
+  using FilterNodeComponentTransferSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, const Float* aFloat, uint32_t aSize) override;
+
+protected:
+  virtual void FillLookupTable(ptrdiff_t aComponent, uint8_t aTable[256]) override;
+
+private:
+  void FillLookupTableImpl(std::vector<Float>& aTableValues, uint8_t aTable[256]);
+
+  std::vector<Float> mTableR;
+  std::vector<Float> mTableG;
+  std::vector<Float> mTableB;
+  std::vector<Float> mTableA;
+};
+
+class FilterNodeLinearTransferSoftware : public FilterNodeComponentTransferSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeLinearTransformSoftware, override)
+  FilterNodeLinearTransferSoftware();
+  virtual const char* GetName() override { return "LinearTransfer"; }
+  using FilterNodeComponentTransferSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, Float aValue) override;
+
+protected:
+  virtual void FillLookupTable(ptrdiff_t aComponent, uint8_t aTable[256]) override;
+
+private:
+  void FillLookupTableImpl(Float aSlope, Float aIntercept, uint8_t aTable[256]);
+
+  Float mSlopeR;
+  Float mSlopeG;
+  Float mSlopeB;
+  Float mSlopeA;
+  Float mInterceptR;
+  Float mInterceptG;
+  Float mInterceptB;
+  Float mInterceptA;
+};
+
+class FilterNodeGammaTransferSoftware : public FilterNodeComponentTransferSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeGammaTransferSoftware, override)
+  FilterNodeGammaTransferSoftware();
+  virtual const char* GetName() override { return "GammaTransfer"; }
+  using FilterNodeComponentTransferSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, Float aValue) override;
+
+protected:
+  virtual void FillLookupTable(ptrdiff_t aComponent, uint8_t aTable[256]) override;
+
+private:
+  void FillLookupTableImpl(Float aAmplitude, Float aExponent, Float aOffset, uint8_t aTable[256]);
+
+  Float mAmplitudeR;
+  Float mAmplitudeG;
+  Float mAmplitudeB;
+  Float mAmplitudeA;
+  Float mExponentR;
+  Float mExponentG;
+  Float mExponentB;
+  Float mExponentA;
+  Float mOffsetR;
+  Float mOffsetG;
+  Float mOffsetB;
+  Float mOffsetA;
+};
+
+class FilterNodeConvolveMatrixSoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeConvolveMatrixSoftware, override)
+  FilterNodeConvolveMatrixSoftware();
+  virtual const char* GetName() override { return "ConvolveMatrix"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, const IntSize &aKernelSize) override;
+  virtual void SetAttribute(uint32_t aIndex, const Float* aMatrix, uint32_t aSize) override;
+  virtual void SetAttribute(uint32_t aIndex, Float aValue) override;
+  virtual void SetAttribute(uint32_t aIndex, const Size &aKernelUnitLength) override;
+  virtual void SetAttribute(uint32_t aIndex, const IntRect &aSourceRect) override;
+  virtual void SetAttribute(uint32_t aIndex, const IntPoint &aTarget) override;
+  virtual void SetAttribute(uint32_t aIndex, uint32_t aEdgeMode) override;
+  virtual void SetAttribute(uint32_t aIndex, bool aPreserveAlpha) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+
+private:
+  template<typename CoordType>
+  already_AddRefed<DataSourceSurface> DoRender(const IntRect& aRect,
+                                           CoordType aKernelUnitLengthX,
+                                           CoordType aKernelUnitLengthY);
+
+  IntRect InflatedSourceRect(const IntRect &aDestRect);
+  IntRect InflatedDestRect(const IntRect &aSourceRect);
+
+  IntSize mKernelSize;
+  std::vector<Float> mKernelMatrix;
+  Float mDivisor;
+  Float mBias;
+  IntPoint mTarget;
+  IntRect mSourceRect;
+  ConvolveMatrixEdgeMode mEdgeMode;
+  Size mKernelUnitLength;
+  bool mPreserveAlpha;
+};
+
+class FilterNodeDisplacementMapSoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeDisplacementMapSoftware, override)
+  FilterNodeDisplacementMapSoftware();
+  virtual const char* GetName() override { return "DisplacementMap"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, Float aScale) override;
+  virtual void SetAttribute(uint32_t aIndex, uint32_t aValue) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+
+private:
+  IntRect InflatedSourceOrDestRect(const IntRect &aDestOrSourceRect);
+
+  Float mScale;
+  ColorChannel mChannelX;
+  ColorChannel mChannelY;
+};
+
+class FilterNodeTurbulenceSoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeTurbulenceSoftware, override)
+  FilterNodeTurbulenceSoftware();
+  virtual const char* GetName() override { return "Turbulence"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, const Size &aSize) override;
+  virtual void SetAttribute(uint32_t aIndex, const IntRect &aRenderRect) override;
+  virtual void SetAttribute(uint32_t aIndex, bool aStitchable) override;
+  virtual void SetAttribute(uint32_t aIndex, uint32_t aValue) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+
+private:
+  IntRect mRenderRect;
+  Size mBaseFrequency;
+  uint32_t mNumOctaves;
+  uint32_t mSeed;
+  bool mStitchable;
+  TurbulenceType mType;
+};
+
+class FilterNodeArithmeticCombineSoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeArithmeticCombineSoftware, override)
+  FilterNodeArithmeticCombineSoftware();
+  virtual const char* GetName() override { return "ArithmeticCombine"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, const Float* aFloat, uint32_t aSize) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+
+private:
+  Float mK1;
+  Float mK2;
+  Float mK3;
+  Float mK4;
+};
+
+class FilterNodeCompositeSoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeCompositeSoftware, override)
+  FilterNodeCompositeSoftware();
+  virtual const char* GetName() override { return "Composite"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, uint32_t aOperator) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+
+private:
+  CompositeOperator mOperator;
+};
+
+// Base class for FilterNodeGaussianBlurSoftware and
+// FilterNodeDirectionalBlurSoftware.
+class FilterNodeBlurXYSoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeBlurXYSoftware, override)
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  IntRect InflatedSourceOrDestRect(const IntRect &aDestRect);
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+
+  // Implemented by subclasses.
+  virtual Size StdDeviationXY() = 0;
+};
+
+class FilterNodeGaussianBlurSoftware : public FilterNodeBlurXYSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeGaussianBlurSoftware, override)
+  FilterNodeGaussianBlurSoftware();
+  virtual const char* GetName() override { return "GaussianBlur"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, Float aStdDeviation) override;
+
+protected:
+  virtual Size StdDeviationXY() override;
+
+private:
+  Float mStdDeviation;
+};
+
+class FilterNodeDirectionalBlurSoftware : public FilterNodeBlurXYSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeDirectionalBlurSoftware, override)
+  FilterNodeDirectionalBlurSoftware();
+  virtual const char* GetName() override { return "DirectionalBlur"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, Float aStdDeviation) override;
+  virtual void SetAttribute(uint32_t aIndex, uint32_t aBlurDirection) override;
+
+protected:
+  virtual Size StdDeviationXY() override;
+
+private:
+  Float mStdDeviation;
+  BlurDirection mBlurDirection;
+};
+
+class FilterNodeCropSoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeCropSoftware, override)
+  virtual const char* GetName() override { return "Crop"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, const Rect &aSourceRect) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+
+private:
+  IntRect mCropRect;
+};
+
+class FilterNodePremultiplySoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodePremultiplySoftware, override)
+  virtual const char* GetName() override { return "Premultiply"; }
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+};
+
+class FilterNodeUnpremultiplySoftware : public FilterNodeSoftware
+{
+public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeUnpremultiplySoftware, override)
+  virtual const char* GetName() override { return "Unpremultiply"; }
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+};
+
+template<typename LightType, typename LightingType>
+class FilterNodeLightingSoftware : public FilterNodeSoftware
+{
+public:
+#if defined(MOZILLA_INTERNAL_API) && (defined(DEBUG) || defined(FORCE_BUILD_REFCNT_LOGGING))
+  // Helpers for refcounted
+  virtual const char* typeName() const override { return mTypeName; }
+  virtual size_t typeSize() const override { return sizeof(*this); }
+#endif
+  explicit FilterNodeLightingSoftware(const char* aTypeName);
+  virtual const char* GetName() override { return "Lighting"; }
+  using FilterNodeSoftware::SetAttribute;
+  virtual void SetAttribute(uint32_t aIndex, Float) override;
+  virtual void SetAttribute(uint32_t aIndex, const Size &) override;
+  virtual void SetAttribute(uint32_t aIndex, const Point3D &) override;
+  virtual void SetAttribute(uint32_t aIndex, const Color &) override;
+
+protected:
+  virtual already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
+  virtual IntRect GetOutputRectInRect(const IntRect& aRect) override;
+  virtual int32_t InputIndex(uint32_t aInputEnumIndex) override;
+  virtual void RequestFromInputsForRect(const IntRect &aRect) override;
+
+private:
+  template<typename CoordType>
+  already_AddRefed<DataSourceSurface> DoRender(const IntRect& aRect,
+                                           CoordType aKernelUnitLengthX,
+                                           CoordType aKernelUnitLengthY);
+
+  LightType mLight;
+  LightingType mLighting;
+  Float mSurfaceScale;
+  Size mKernelUnitLength;
+  Color mColor;
+#if defined(MOZILLA_INTERNAL_API) && (defined(DEBUG) || defined(FORCE_BUILD_REFCNT_LOGGING))
+  const char* mTypeName;
+#endif
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif // _MOZILLA_GFX_FILTERNODESOFTWARE_H_