gecko/gfx/2d/DrawTargetD2D1.h

238 lines
9.0 KiB
C++

/* -*- 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_DRAWTARGETD2D1_H_
#define MOZILLA_GFX_DRAWTARGETD2D1_H_
#include "2D.h"
#include <d3d11.h>
#include <d2d1_1.h>
#include "PathD2D.h"
#include "HelpersD2D.h"
#include <vector>
#include <sstream>
#include <unordered_set>
struct IDWriteFactory;
namespace mozilla {
namespace gfx {
class SourceSurfaceD2D1;
class GradientStopsD2D;
class ScaledFontDWrite;
const int32_t kLayerCacheSize1 = 5;
class DrawTargetD2D1 : public DrawTarget
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawTargetD2D1)
DrawTargetD2D1();
virtual ~DrawTargetD2D1();
virtual DrawTargetType GetType() const MOZ_OVERRIDE { return DrawTargetType::HARDWARE_RASTER; }
virtual BackendType GetBackendType() const { return BackendType::DIRECT2D1_1; }
virtual TemporaryRef<SourceSurface> Snapshot();
virtual IntSize GetSize() { return mSize; }
virtual void Flush();
virtual void DrawSurface(SourceSurface *aSurface,
const Rect &aDest,
const Rect &aSource,
const DrawSurfaceOptions &aSurfOptions,
const DrawOptions &aOptions);
virtual void DrawFilter(FilterNode *aNode,
const Rect &aSourceRect,
const Point &aDestPoint,
const DrawOptions &aOptions = DrawOptions());
virtual void DrawSurfaceWithShadow(SourceSurface *aSurface,
const Point &aDest,
const Color &aColor,
const Point &aOffset,
Float aSigma,
CompositionOp aOperator);
virtual void ClearRect(const Rect &aRect);
virtual void MaskSurface(const Pattern &aSource,
SourceSurface *aMask,
Point aOffset,
const DrawOptions &aOptions = DrawOptions());
virtual void CopySurface(SourceSurface *aSurface,
const IntRect &aSourceRect,
const IntPoint &aDestination);
virtual void FillRect(const Rect &aRect,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions());
virtual void StrokeRect(const Rect &aRect,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions());
virtual void StrokeLine(const Point &aStart,
const Point &aEnd,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions());
virtual void Stroke(const Path *aPath,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions = StrokeOptions(),
const DrawOptions &aOptions = DrawOptions());
virtual void Fill(const Path *aPath,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions());
virtual void FillGlyphs(ScaledFont *aFont,
const GlyphBuffer &aBuffer,
const Pattern &aPattern,
const DrawOptions &aOptions = DrawOptions(),
const GlyphRenderingOptions *aRenderingOptions = nullptr);
virtual void Mask(const Pattern &aSource,
const Pattern &aMask,
const DrawOptions &aOptions = DrawOptions());
virtual void PushClip(const Path *aPath);
virtual void PushClipRect(const Rect &aRect);
virtual void PopClip();
virtual TemporaryRef<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
const IntSize &aSize,
int32_t aStride,
SurfaceFormat aFormat) const;
virtual TemporaryRef<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const;
virtual TemporaryRef<SourceSurface>
CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const { return nullptr; }
virtual TemporaryRef<DrawTarget>
CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const;
virtual TemporaryRef<PathBuilder> CreatePathBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const;
virtual TemporaryRef<GradientStops>
CreateGradientStops(GradientStop *aStops,
uint32_t aNumStops,
ExtendMode aExtendMode = ExtendMode::CLAMP) const;
virtual TemporaryRef<FilterNode> CreateFilter(FilterType aType);
virtual bool SupportsRegionClipping() const { return false; }
virtual void *GetNativeSurface(NativeSurfaceType aType) { return nullptr; }
bool Init(const IntSize &aSize, SurfaceFormat aFormat);
bool Init(ID3D11Texture2D* aTexture, SurfaceFormat aFormat);
uint32_t GetByteSize() const;
TemporaryRef<ID2D1Image> GetImageForSurface(SourceSurface *aSurface, Matrix &aSourceTransform,
ExtendMode aExtendMode, const IntRect* aSourceRect = nullptr);
TemporaryRef<ID2D1Image> GetImageForSurface(SourceSurface *aSurface, ExtendMode aExtendMode) {
Matrix mat;
return GetImageForSurface(aSurface, mat, aExtendMode, nullptr);
}
static ID2D1Factory1 *factory();
static void CleanupD2D();
static IDWriteFactory *GetDWriteFactory();
operator std::string() const {
std::stringstream stream;
stream << "DrawTargetD2D 1.1 (" << this << ")";
return stream.str();
}
static uint32_t GetMaxSurfaceSize() {
return D3D11_REQ_TEXTURE2D_U_OR_V_DIMENSION;
}
static uint64_t mVRAMUsageDT;
static uint64_t mVRAMUsageSS;
private:
friend class SourceSurfaceD2D1;
typedef std::unordered_set<DrawTargetD2D1*> TargetSet;
// This function will mark the surface as changing, and make sure any
// copy-on-write snapshots are notified.
void MarkChanged();
void PrepareForDrawing(CompositionOp aOp, const Pattern &aPattern);
void FinalizeDrawing(CompositionOp aOp, const Pattern &aPattern);
void FlushTransformToDC() {
if (mTransformDirty) {
mDC->SetTransform(D2DMatrix(mTransform));
mTransformDirty = false;
}
}
void AddDependencyOnSource(SourceSurfaceD2D1* aSource);
// This returns the clipped geometry, in addition it returns aClipBounds which
// represents the intersection of all pixel-aligned rectangular clips that
// are currently set. The returned clipped geometry must be clipped by these
// bounds to correctly reflect the total clip. This is in device space.
TemporaryRef<ID2D1Geometry> GetClippedGeometry(IntRect *aClipBounds);
bool GetDeviceSpaceClipRect(D2D1_RECT_F& aClipRect, bool& aIsPixelAligned);
void PopAllClips();
void PushClipsToDC(ID2D1DeviceContext *aDC);
void PopClipsFromDC(ID2D1DeviceContext *aDC);
TemporaryRef<ID2D1Brush> CreateTransparentBlackBrush();
TemporaryRef<ID2D1Brush> CreateBrushForPattern(const Pattern &aPattern, Float aAlpha = 1.0f);
void PushD2DLayer(ID2D1DeviceContext *aDC, ID2D1Geometry *aGeometry, const D2D1_MATRIX_3X2_F &aTransform);
IntSize mSize;
RefPtr<ID3D11Device> mDevice;
RefPtr<ID3D11Texture2D> mTexture;
RefPtr<ID2D1Geometry> mCurrentClippedGeometry;
// This is only valid if mCurrentClippedGeometry is non-null. And will
// only be the intersection of all pixel-aligned retangular clips. This is in
// device space.
IntRect mCurrentClipBounds;
mutable RefPtr<ID2D1DeviceContext> mDC;
RefPtr<ID2D1Bitmap1> mBitmap;
RefPtr<ID2D1Bitmap1> mTempBitmap;
RefPtr<ID2D1Effect> mBlendEffect;
// We store this to prevent excessive SetTextRenderingParams calls.
RefPtr<IDWriteRenderingParams> mTextRenderingParams;
// List of pushed clips.
struct PushedClip
{
D2D1_RECT_F mBounds;
union {
// If mPath is non-null, the mTransform member will be used, otherwise
// the mIsPixelAligned member is valid.
D2D1_MATRIX_3X2_F mTransform;
bool mIsPixelAligned;
};
RefPtr<PathD2D> mPath;
};
std::vector<PushedClip> mPushedClips;
// The latest snapshot of this surface. This needs to be told when this
// target is modified. We keep it alive as a cache.
RefPtr<SourceSurfaceD2D1> mSnapshot;
// A list of targets we need to flush when we're modified.
TargetSet mDependentTargets;
// A list of targets which have this object in their mDependentTargets set
TargetSet mDependingOnTargets;
// True of the current clip stack is pushed to the main RT.
bool mClipsArePushed;
static ID2D1Factory1 *mFactory;
static IDWriteFactory *mDWriteFactory;
};
}
}
#endif /* MOZILLA_GFX_DRAWTARGETD2D_H_ */