зеркало из https://github.com/mozilla/gecko-dev.git
329 строки
13 KiB
C++
329 строки
13 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "mozilla/StaticPtr.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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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 bool IsValid() const override;
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virtual DrawTargetType GetType() const override {
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return DrawTargetType::HARDWARE_RASTER;
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}
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virtual BackendType GetBackendType() const override {
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return BackendType::DIRECT2D1_1;
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}
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virtual already_AddRefed<SourceSurface> Snapshot() override;
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virtual already_AddRefed<SourceSurface> IntoLuminanceSource(
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LuminanceType aLuminanceType, float aOpacity) override;
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virtual IntSize GetSize() const override { return mSize; }
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virtual void Flush() override;
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virtual void DrawSurface(SourceSurface* aSurface, 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, 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 DeviceColor& aColor,
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const Point& aOffset, 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(
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const Pattern& aSource, SourceSurface* aMask, Point aOffset,
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const DrawOptions& aOptions = DrawOptions()) override;
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virtual void CopySurface(SourceSurface* aSurface, const IntRect& aSourceRect,
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const IntPoint& aDestination) override;
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virtual void FillRect(const Rect& aRect, const Pattern& aPattern,
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const DrawOptions& aOptions = DrawOptions()) override;
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virtual void FillRoundedRect(
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const RoundedRect& aRect, const Pattern& aPattern,
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const DrawOptions& aOptions = DrawOptions()) override;
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virtual void StrokeRect(const Rect& aRect, 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, 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, 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, const Pattern& aPattern,
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const DrawOptions& aOptions = DrawOptions()) override;
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virtual void FillGlyphs(ScaledFont* aFont, const GlyphBuffer& aBuffer,
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const Pattern& aPattern,
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const DrawOptions& aOptions = DrawOptions()) override;
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virtual void Mask(const Pattern& aSource, 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 PushDeviceSpaceClipRects(const IntRect* aRects,
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uint32_t aCount) override;
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virtual void PopClip() override;
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virtual void PushLayer(bool aOpaque, Float aOpacity, 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(
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unsigned char* aData, const IntSize& aSize, int32_t aStride,
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SurfaceFormat aFormat) const override;
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virtual already_AddRefed<SourceSurface> OptimizeSourceSurface(
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SourceSurface* aSurface) const override;
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virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromNativeSurface(
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const NativeSurface& aSurface) const override {
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return nullptr;
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}
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virtual already_AddRefed<DrawTarget> CreateSimilarDrawTarget(
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const IntSize& aSize, SurfaceFormat aFormat) const override;
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virtual bool CanCreateSimilarDrawTarget(const IntSize& aSize,
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SurfaceFormat aFormat) const override;
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virtual RefPtr<DrawTarget> CreateClippedDrawTarget(
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const Rect& aBounds, SurfaceFormat aFormat) override;
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virtual already_AddRefed<PathBuilder> CreatePathBuilder(
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FillRule aFillRule = FillRule::FILL_WINDING) const override;
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virtual already_AddRefed<GradientStops> CreateGradientStops(
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GradientStop* aStops, 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 {
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return CurrentLayer().mIsOpaque;
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}
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virtual void* GetNativeSurface(NativeSurfaceType aType) override {
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return nullptr;
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}
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virtual void DetachAllSnapshots() override { MarkChanged(); }
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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. By default, the surface and its transform are
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// interpreted in user-space, but may be specified in device-space instead.
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already_AddRefed<ID2D1Image> GetImageForSurface(
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SourceSurface* aSurface, Matrix& aSourceTransform, ExtendMode aExtendMode,
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const IntRect* aSourceRect = nullptr, bool aUserSpace = true);
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already_AddRefed<ID2D1Image> GetImageForSurface(SourceSurface* aSurface,
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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 RefPtr<ID2D1Factory1> factory();
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static void CleanupD2D();
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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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void FlushInternal(bool aHasDependencyMutex = false);
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bool EnsureInitialized();
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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,
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const Pattern& aPattern,
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bool aClipIsComplex);
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bool 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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bool aShouldPreserveContent = true);
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ID2D1Image* CurrentTarget() {
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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,
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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(
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const D2D_COLOR_F& aColor);
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already_AddRefed<ID2D1Brush> CreateBrushForPattern(const Pattern& aPattern,
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Float aAlpha = 1.0f);
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void PushClipGeometry(ID2D1Geometry* aGeometry,
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const D2D1_MATRIX_3X2_F& aTransform,
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bool aPixelAligned = false);
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void PushD2DLayer(ID2D1DeviceContext* aDC, ID2D1Geometry* aGeometry,
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const D2D1_MATRIX_3X2_F& aTransform,
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bool aPixelAligned = false, bool aForceIgnoreAlpha = false,
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const D2D1_RECT_F& aLayerRect = D2D1::InfiniteRect());
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// This function is used to determine if the mDC is still valid; if it is
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// stale, we should avoid using it to execute any draw commands.
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bool IsDeviceContextValid() const;
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IntSize mSize;
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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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D2D1_RECT_F mBounds;
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// If mGeometry is non-null, the mTransform member will be used.
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D2D1_MATRIX_3X2_F mTransform;
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RefPtr<ID2D1Geometry> mGeometry;
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// Indicates if mBounds, and when non-null, mGeometry with mTransform
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// applied, are pixel-aligned.
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bool mIsPixelAligned;
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};
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// List of pushed layers.
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struct PushedLayer {
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PushedLayer()
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: mClipsArePushed(false),
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mIsOpaque(false),
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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() { return mPushedLayers.back(); }
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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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std::shared_ptr<Mutex> mSnapshotLock;
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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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uint32_t mTransformedGlyphsSinceLastPurge;
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// When a BlendEffect has been drawn to a command list, and that command list
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// is subsequently used -again- as an input to a blend effect for a command
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// list, this causes an infinite recursion inside D2D as it tries to resolve
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// the bounds. If we resolve the current command list before this happens we
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// can avoid the subsequent hang. (See bug 1293586)
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uint32_t mComplexBlendsWithListInList;
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static StaticRefPtr<ID2D1Factory1> mFactory;
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// This value is uesed to verify if the DrawTarget is created by a stale
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// device.
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uint32_t mDeviceSeq;
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// List of effects we use
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bool EnsureLuminanceEffect();
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RefPtr<ID2D1Effect> mLuminanceEffect;
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enum class InitState { Uninitialized, Success, Failure };
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InitState mInitState;
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RefPtr<IDXGISurface> mSurface;
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};
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} // namespace gfx
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} // namespace mozilla
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#endif /* MOZILLA_GFX_DRAWTARGETD2D_H_ */
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