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gecko-dev/gfx/2d/FilterNodeSoftware.h

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/* -*- 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_FILTERNODESOFTWARE_H_
#define _MOZILLA_GFX_FILTERNODESOFTWARE_H_
#include "Filters.h"
#include "mozilla/Mutex.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)
FilterNodeSoftware();
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);
FilterBackend GetBackendType() override { return FILTER_BACKEND_SOFTWARE; }
void SetInput(uint32_t aIndex, SourceSurface* aSurface) override;
void SetInput(uint32_t aIndex, FilterNode* aFilter) override;
virtual const char* GetName() { return "Unknown"; }
void AddInvalidationListener(FilterInvalidationListener* aListener);
void RemoveInvalidationListener(FilterInvalidationListener* aListener);
// FilterInvalidationListener implementation
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);
/**
* Calls MapRectToSource on the specified input, if it's a filter.
*/
IntRect MapInputRectToSource(uint32_t aInputEnumIndex, const IntRect& aRect,
const IntRect& aMax, FilterNode* aSourceNode);
/**
* 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;
/**
* Lock guarding mRequestedRect, mCachedRect, and mCachedOutput. All uses
* of those members must aquire this lock.
*/
Mutex mCacheMutex;
/**
* 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();
const char* GetName() override { return "Transform"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, uint32_t aGraphicsFilter) override;
void SetAttribute(uint32_t aIndex, const Matrix& aMatrix) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
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();
const char* GetName() override { return "Blend"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, uint32_t aBlendMode) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
void RequestFromInputsForRect(const IntRect& aRect) override;
private:
BlendMode mBlendMode;
};
class FilterNodeMorphologySoftware : public FilterNodeSoftware {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeMorphologySoftware,
override)
FilterNodeMorphologySoftware();
const char* GetName() override { return "Morphology"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, const IntSize& aRadii) override;
void SetAttribute(uint32_t aIndex, uint32_t aOperator) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
void RequestFromInputsForRect(const IntRect& aRect) override;
private:
IntSize mRadii;
MorphologyOperator mOperator;
};
class FilterNodeColorMatrixSoftware : public FilterNodeSoftware {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeColorMatrixSoftware,
override)
const char* GetName() override { return "ColorMatrix"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, const Matrix5x4& aMatrix) override;
void SetAttribute(uint32_t aIndex, uint32_t aAlphaMode) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
void RequestFromInputsForRect(const IntRect& aRect) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
private:
Matrix5x4 mMatrix;
AlphaMode mAlphaMode;
};
class FilterNodeFloodSoftware : public FilterNodeSoftware {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeFloodSoftware, override)
const char* GetName() override { return "Flood"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, const DeviceColor& aColor) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
protected:
already_AddRefed<DataSourceSurface> GetOutput(const IntRect& aRect) override;
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
private:
DeviceColor mColor;
};
class FilterNodeTileSoftware : public FilterNodeSoftware {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeTileSoftware, override)
const char* GetName() override { return "Tile"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, const IntRect& aSourceRect) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
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;
void SetAttribute(uint32_t aIndex, bool aDisable) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
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)
const char* GetName() override { return "TableTransfer"; }
using FilterNodeComponentTransferSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, const Float* aFloat,
uint32_t aSize) override;
protected:
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)
const char* GetName() override { return "DiscreteTransfer"; }
using FilterNodeComponentTransferSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, const Float* aFloat,
uint32_t aSize) override;
protected:
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();
const char* GetName() override { return "LinearTransfer"; }
using FilterNodeComponentTransferSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, Float aValue) override;
protected:
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();
const char* GetName() override { return "GammaTransfer"; }
using FilterNodeComponentTransferSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, Float aValue) override;
protected:
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();
const char* GetName() override { return "ConvolveMatrix"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, const IntSize& aKernelSize) override;
void SetAttribute(uint32_t aIndex, const Float* aMatrix,
uint32_t aSize) override;
void SetAttribute(uint32_t aIndex, Float aValue) override;
void SetAttribute(uint32_t aIndex, const Size& aKernelUnitLength) override;
void SetAttribute(uint32_t aIndex, const IntRect& aSourceRect) override;
void SetAttribute(uint32_t aIndex, const IntPoint& aTarget) override;
void SetAttribute(uint32_t aIndex, uint32_t aEdgeMode) override;
void SetAttribute(uint32_t aIndex, bool aPreserveAlpha) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
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();
const char* GetName() override { return "DisplacementMap"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, Float aScale) override;
void SetAttribute(uint32_t aIndex, uint32_t aValue) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
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();
const char* GetName() override { return "Turbulence"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, const Size& aSize) override;
void SetAttribute(uint32_t aIndex, const IntRect& aRenderRect) override;
void SetAttribute(uint32_t aIndex, bool aStitchable) override;
void SetAttribute(uint32_t aIndex, uint32_t aValue) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
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();
const char* GetName() override { return "ArithmeticCombine"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, const Float* aFloat,
uint32_t aSize) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
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();
const char* GetName() override { return "Composite"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, uint32_t aOperator) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
void RequestFromInputsForRect(const IntRect& aRect) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
private:
CompositeOperator mOperator;
};
// Base class for FilterNodeGaussianBlurSoftware and
// FilterNodeDirectionalBlurSoftware.
class FilterNodeBlurXYSoftware : public FilterNodeSoftware {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeBlurXYSoftware, override)
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
IntRect InflatedSourceOrDestRect(const IntRect& aDestRect);
void RequestFromInputsForRect(const IntRect& aRect) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
// Implemented by subclasses.
virtual Size StdDeviationXY() = 0;
};
class FilterNodeGaussianBlurSoftware : public FilterNodeBlurXYSoftware {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeGaussianBlurSoftware,
override)
FilterNodeGaussianBlurSoftware();
const char* GetName() override { return "GaussianBlur"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, Float aStdDeviation) override;
protected:
Size StdDeviationXY() override;
private:
Float mStdDeviation;
};
class FilterNodeDirectionalBlurSoftware : public FilterNodeBlurXYSoftware {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeDirectionalBlurSoftware,
override)
FilterNodeDirectionalBlurSoftware();
const char* GetName() override { return "DirectionalBlur"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, Float aStdDeviation) override;
void SetAttribute(uint32_t aIndex, uint32_t aBlurDirection) override;
protected:
Size StdDeviationXY() override;
private:
Float mStdDeviation;
BlurDirection mBlurDirection;
};
class FilterNodeCropSoftware : public FilterNodeSoftware {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeCropSoftware, override)
const char* GetName() override { return "Crop"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, const Rect& aSourceRect) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
void RequestFromInputsForRect(const IntRect& aRect) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
private:
IntRect mCropRect;
};
class FilterNodePremultiplySoftware : public FilterNodeSoftware {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodePremultiplySoftware,
override)
const char* GetName() override { return "Premultiply"; }
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
void RequestFromInputsForRect(const IntRect& aRect) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
};
class FilterNodeUnpremultiplySoftware : public FilterNodeSoftware {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeUnpremultiplySoftware,
override)
const char* GetName() override { return "Unpremultiply"; }
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
void RequestFromInputsForRect(const IntRect& aRect) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
};
class FilterNodeOpacitySoftware : public FilterNodeSoftware {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeOpacitySoftware, override)
const char* GetName() override { return "Opacity"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, Float aValue) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
void RequestFromInputsForRect(const IntRect& aRect) override;
Float mValue = 1.0f;
};
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
const char* typeName() const override { return mTypeName; }
size_t typeSize() const override { return sizeof(*this); }
#endif
explicit FilterNodeLightingSoftware(const char* aTypeName);
const char* GetName() override { return "Lighting"; }
using FilterNodeSoftware::SetAttribute;
void SetAttribute(uint32_t aIndex, Float) override;
void SetAttribute(uint32_t aIndex, const Size&) override;
void SetAttribute(uint32_t aIndex, const Point3D&) override;
void SetAttribute(uint32_t aIndex, const DeviceColor&) override;
IntRect MapRectToSource(const IntRect& aRect, const IntRect& aMax,
FilterNode* aSourceNode) override;
protected:
already_AddRefed<DataSourceSurface> Render(const IntRect& aRect) override;
IntRect GetOutputRectInRect(const IntRect& aRect) override;
int32_t InputIndex(uint32_t aInputEnumIndex) override;
void RequestFromInputsForRect(const IntRect& aRect) override;
private:
template <typename CoordType>
already_AddRefed<DataSourceSurface> DoRender(const IntRect& aRect,
CoordType aKernelUnitLengthX,
CoordType aKernelUnitLengthY);
Mutex mLock;
LightType mLight;
LightingType mLighting;
Float mSurfaceScale;
Size mKernelUnitLength;
DeviceColor 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_
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