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https://github.com/mozilla/gecko-dev.git
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283 lines
11 KiB
C++
283 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_DRAWTARGETD2D1_H_
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#define MOZILLA_GFX_DRAWTARGETD2D1_H_
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#include "2D.h"
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#include <d3d11.h>
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#include <d2d1_1.h>
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#include "PathD2D.h"
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#include "HelpersD2D.h"
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#include <vector>
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#include <sstream>
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#include <unordered_set>
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struct IDWriteFactory;
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namespace mozilla {
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namespace gfx {
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class SourceSurfaceD2D1;
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const int32_t kLayerCacheSize1 = 5;
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class DrawTargetD2D1 : public DrawTarget
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{
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawTargetD2D1, override)
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DrawTargetD2D1();
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virtual ~DrawTargetD2D1();
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virtual DrawTargetType GetType() const override { return DrawTargetType::HARDWARE_RASTER; }
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virtual BackendType GetBackendType() const override { return BackendType::DIRECT2D1_1; }
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virtual already_AddRefed<SourceSurface> Snapshot() override;
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virtual IntSize GetSize() override { return mSize; }
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virtual void Flush() override;
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virtual void DrawSurface(SourceSurface *aSurface,
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const Rect &aDest,
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const Rect &aSource,
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const DrawSurfaceOptions &aSurfOptions,
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const DrawOptions &aOptions) override;
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virtual void DrawFilter(FilterNode *aNode,
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const Rect &aSourceRect,
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const Point &aDestPoint,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void DrawSurfaceWithShadow(SourceSurface *aSurface,
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const Point &aDest,
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const Color &aColor,
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const Point &aOffset,
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Float aSigma,
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CompositionOp aOperator) override;
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virtual void ClearRect(const Rect &aRect) override;
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virtual void MaskSurface(const Pattern &aSource,
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SourceSurface *aMask,
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Point aOffset,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void CopySurface(SourceSurface *aSurface,
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const IntRect &aSourceRect,
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const IntPoint &aDestination) override;
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virtual void FillRect(const Rect &aRect,
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const Pattern &aPattern,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void StrokeRect(const Rect &aRect,
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const Pattern &aPattern,
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const StrokeOptions &aStrokeOptions = StrokeOptions(),
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void StrokeLine(const Point &aStart,
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const Point &aEnd,
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const Pattern &aPattern,
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const StrokeOptions &aStrokeOptions = StrokeOptions(),
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void Stroke(const Path *aPath,
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const Pattern &aPattern,
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const StrokeOptions &aStrokeOptions = StrokeOptions(),
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void Fill(const Path *aPath,
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const Pattern &aPattern,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void FillGlyphs(ScaledFont *aFont,
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const GlyphBuffer &aBuffer,
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const Pattern &aPattern,
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const DrawOptions &aOptions = DrawOptions(),
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const GlyphRenderingOptions *aRenderingOptions = nullptr) override;
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virtual void Mask(const Pattern &aSource,
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const Pattern &aMask,
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const DrawOptions &aOptions = DrawOptions()) override;
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virtual void PushClip(const Path *aPath) override;
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virtual void PushClipRect(const Rect &aRect) override;
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virtual void PopClip() override;
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virtual void PushLayer(bool aOpaque, Float aOpacity,
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SourceSurface* aMask,
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const Matrix& aMaskTransform,
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const IntRect& aBounds = IntRect(),
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bool aCopyBackground = false) override;
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virtual void PopLayer() override;
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virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
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const IntSize &aSize,
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int32_t aStride,
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SurfaceFormat aFormat) const override;
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virtual already_AddRefed<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const override;
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virtual already_AddRefed<SourceSurface>
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CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const override { return nullptr; }
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virtual already_AddRefed<DrawTarget>
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CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const override;
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virtual already_AddRefed<PathBuilder> CreatePathBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const override;
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virtual already_AddRefed<GradientStops>
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CreateGradientStops(GradientStop *aStops,
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uint32_t aNumStops,
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ExtendMode aExtendMode = ExtendMode::CLAMP) const override;
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virtual already_AddRefed<FilterNode> CreateFilter(FilterType aType) override;
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virtual bool SupportsRegionClipping() const override { return false; }
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virtual bool IsCurrentGroupOpaque() override { return CurrentLayer().mIsOpaque; }
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virtual void *GetNativeSurface(NativeSurfaceType aType) override { return nullptr; }
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bool Init(const IntSize &aSize, SurfaceFormat aFormat);
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bool Init(ID3D11Texture2D* aTexture, SurfaceFormat aFormat);
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uint32_t GetByteSize() const;
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// This function will get an image for a surface, it may adjust the source
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// transform for any transformation of the resulting image relative to the
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// oritingal SourceSurface.
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already_AddRefed<ID2D1Image> GetImageForSurface(SourceSurface *aSurface, Matrix &aSourceTransform,
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ExtendMode aExtendMode, const IntRect* aSourceRect = nullptr);
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already_AddRefed<ID2D1Image> GetImageForSurface(SourceSurface *aSurface, ExtendMode aExtendMode) {
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Matrix mat;
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return GetImageForSurface(aSurface, mat, aExtendMode, nullptr);
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}
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static ID2D1Factory1 *factory();
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static void CleanupD2D();
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static IDWriteFactory *GetDWriteFactory();
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operator std::string() const {
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std::stringstream stream;
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stream << "DrawTargetD2D 1.1 (" << this << ")";
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return stream.str();
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}
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static uint32_t GetMaxSurfaceSize() {
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return D3D11_REQ_TEXTURE2D_U_OR_V_DIMENSION;
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}
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static uint64_t mVRAMUsageDT;
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static uint64_t mVRAMUsageSS;
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private:
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friend class SourceSurfaceD2D1;
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typedef std::unordered_set<DrawTargetD2D1*> TargetSet;
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// This function will mark the surface as changing, and make sure any
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// copy-on-write snapshots are notified.
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void MarkChanged();
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bool ShouldClipTemporarySurfaceDrawing(CompositionOp aOp, const Pattern& aPattern, bool aClipIsComplex);
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void PrepareForDrawing(CompositionOp aOp, const Pattern &aPattern);
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void FinalizeDrawing(CompositionOp aOp, const Pattern &aPattern);
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void FlushTransformToDC() {
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if (mTransformDirty) {
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mDC->SetTransform(D2DMatrix(mTransform));
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mTransformDirty = false;
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}
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}
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void AddDependencyOnSource(SourceSurfaceD2D1* aSource);
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// Must be called with all clips popped and an identity matrix set.
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already_AddRefed<ID2D1Image> GetImageForLayerContent();
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ID2D1Image* CurrentTarget()
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{
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if (CurrentLayer().mCurrentList) {
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return CurrentLayer().mCurrentList;
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}
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return mBitmap;
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}
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// This returns the clipped geometry, in addition it returns aClipBounds which
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// represents the intersection of all pixel-aligned rectangular clips that
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// are currently set. The returned clipped geometry must be clipped by these
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// bounds to correctly reflect the total clip. This is in device space and
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// only for clips applied to the -current layer-.
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already_AddRefed<ID2D1Geometry> GetClippedGeometry(IntRect *aClipBounds);
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already_AddRefed<ID2D1Geometry> GetInverseClippedGeometry();
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// This gives the device space clip rect applied to the -current layer-.
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bool GetDeviceSpaceClipRect(D2D1_RECT_F& aClipRect, bool& aIsPixelAligned);
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void PopAllClips();
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void PushAllClips();
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void PushClipsToDC(ID2D1DeviceContext *aDC, bool aForceIgnoreAlpha = false, const D2D1_RECT_F& aMaxRect = D2D1::InfiniteRect());
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void PopClipsFromDC(ID2D1DeviceContext *aDC);
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already_AddRefed<ID2D1Brush> CreateTransparentBlackBrush();
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already_AddRefed<ID2D1SolidColorBrush> GetSolidColorBrush(const D2D_COLOR_F& aColor);
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already_AddRefed<ID2D1Brush> CreateBrushForPattern(const Pattern &aPattern, Float aAlpha = 1.0f);
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void PushD2DLayer(ID2D1DeviceContext *aDC, ID2D1Geometry *aGeometry, const D2D1_MATRIX_3X2_F &aTransform,
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bool aForceIgnoreAlpha = false, const D2D1_RECT_F& aLayerRect = D2D1::InfiniteRect());
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IntSize mSize;
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RefPtr<ID3D11Device> mDevice;
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RefPtr<ID3D11Texture2D> mTexture;
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RefPtr<ID2D1Geometry> mCurrentClippedGeometry;
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// This is only valid if mCurrentClippedGeometry is non-null. And will
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// only be the intersection of all pixel-aligned retangular clips. This is in
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// device space.
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IntRect mCurrentClipBounds;
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mutable RefPtr<ID2D1DeviceContext> mDC;
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RefPtr<ID2D1Bitmap1> mBitmap;
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RefPtr<ID2D1CommandList> mCommandList;
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RefPtr<ID2D1SolidColorBrush> mSolidColorBrush;
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// We store this to prevent excessive SetTextRenderingParams calls.
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RefPtr<IDWriteRenderingParams> mTextRenderingParams;
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// List of pushed clips.
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struct PushedClip
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{
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D2D1_RECT_F mBounds;
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union {
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// If mPath is non-null, the mTransform member will be used, otherwise
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// the mIsPixelAligned member is valid.
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D2D1_MATRIX_3X2_F mTransform;
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bool mIsPixelAligned;
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};
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RefPtr<PathD2D> mPath;
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};
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// List of pushed layers.
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struct PushedLayer
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{
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PushedLayer() : mClipsArePushed(false), mIsOpaque(false), mOldPermitSubpixelAA(false) {}
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std::vector<PushedClip> mPushedClips;
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RefPtr<ID2D1CommandList> mCurrentList;
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// True if the current clip stack is pushed to the CurrentTarget().
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bool mClipsArePushed;
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bool mIsOpaque;
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bool mOldPermitSubpixelAA;
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};
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std::vector<PushedLayer> mPushedLayers;
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PushedLayer& CurrentLayer()
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{
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return mPushedLayers.back();
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}
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// The latest snapshot of this surface. This needs to be told when this
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// target is modified. We keep it alive as a cache.
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RefPtr<SourceSurfaceD2D1> mSnapshot;
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// A list of targets we need to flush when we're modified.
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TargetSet mDependentTargets;
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// A list of targets which have this object in their mDependentTargets set
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TargetSet mDependingOnTargets;
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uint32_t mUsedCommandListsSincePurge;
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static ID2D1Factory1 *mFactory;
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static IDWriteFactory *mDWriteFactory;
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};
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}
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}
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#endif /* MOZILLA_GFX_DRAWTARGETD2D_H_ */
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