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comparison: gfx/2d/DrawTargetD2D1.h

gfx/2d/DrawTargetD2D1.h

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1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 * This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 #ifndef MOZILLA_GFX_DRAWTARGETD2D1_H_
7 #define MOZILLA_GFX_DRAWTARGETD2D1_H_
8
9 #include "2D.h"
10 #include <d3d11.h>
11 #include <d2d1_1.h>
12 #include "PathD2D.h"
13 #include "HelpersD2D.h"
14
15 #include <vector>
16 #include <sstream>
17
18 #ifdef _MSC_VER
19 #include <hash_set>
20 #else
21 #include <unordered_set>
22 #endif
23
24 struct IDWriteFactory;
25
26 namespace mozilla {
27 namespace gfx {
28
29 class SourceSurfaceD2D1;
30 class GradientStopsD2D;
31 class ScaledFontDWrite;
32
33 const int32_t kLayerCacheSize1 = 5;
34
35 class DrawTargetD2D1 : public DrawTarget
36 {
37 public:
38 MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawTargetD2D1)
39 DrawTargetD2D1();
40 virtual ~DrawTargetD2D1();
41
42 virtual BackendType GetType() const { return BackendType::DIRECT2D1_1; }
43 virtual TemporaryRef<SourceSurface> Snapshot();
44 virtual IntSize GetSize() { return mSize; }
45
46 virtual void Flush();
47 virtual void DrawSurface(SourceSurface *aSurface,
48 const Rect &aDest,
49 const Rect &aSource,
50 const DrawSurfaceOptions &aSurfOptions,
51 const DrawOptions &aOptions);
52 virtual void DrawFilter(FilterNode *aNode,
53 const Rect &aSourceRect,
54 const Point &aDestPoint,
55 const DrawOptions &aOptions = DrawOptions());
56 virtual void DrawSurfaceWithShadow(SourceSurface *aSurface,
57 const Point &aDest,
58 const Color &aColor,
59 const Point &aOffset,
60 Float aSigma,
61 CompositionOp aOperator);
62 virtual void ClearRect(const Rect &aRect);
63 virtual void MaskSurface(const Pattern &aSource,
64 SourceSurface *aMask,
65 Point aOffset,
66 const DrawOptions &aOptions = DrawOptions());
67
68 virtual void CopySurface(SourceSurface *aSurface,
69 const IntRect &aSourceRect,
70 const IntPoint &aDestination);
71
72 virtual void FillRect(const Rect &aRect,
73 const Pattern &aPattern,
74 const DrawOptions &aOptions = DrawOptions());
75 virtual void StrokeRect(const Rect &aRect,
76 const Pattern &aPattern,
77 const StrokeOptions &aStrokeOptions = StrokeOptions(),
78 const DrawOptions &aOptions = DrawOptions());
79 virtual void StrokeLine(const Point &aStart,
80 const Point &aEnd,
81 const Pattern &aPattern,
82 const StrokeOptions &aStrokeOptions = StrokeOptions(),
83 const DrawOptions &aOptions = DrawOptions());
84 virtual void Stroke(const Path *aPath,
85 const Pattern &aPattern,
86 const StrokeOptions &aStrokeOptions = StrokeOptions(),
87 const DrawOptions &aOptions = DrawOptions());
88 virtual void Fill(const Path *aPath,
89 const Pattern &aPattern,
90 const DrawOptions &aOptions = DrawOptions());
91 virtual void FillGlyphs(ScaledFont *aFont,
92 const GlyphBuffer &aBuffer,
93 const Pattern &aPattern,
94 const DrawOptions &aOptions = DrawOptions(),
95 const GlyphRenderingOptions *aRenderingOptions = nullptr);
96 virtual void Mask(const Pattern &aSource,
97 const Pattern &aMask,
98 const DrawOptions &aOptions = DrawOptions());
99 virtual void PushClip(const Path *aPath);
100 virtual void PushClipRect(const Rect &aRect);
101 virtual void PopClip();
102
103 virtual TemporaryRef<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
104 const IntSize &aSize,
105 int32_t aStride,
106 SurfaceFormat aFormat) const;
107 virtual TemporaryRef<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const;
108
109 virtual TemporaryRef<SourceSurface>
110 CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const { return nullptr; }
111
112 virtual TemporaryRef<DrawTarget>
113 CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const;
114
115 virtual TemporaryRef<PathBuilder> CreatePathBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const;
116
117 virtual TemporaryRef<GradientStops>
118 CreateGradientStops(GradientStop *aStops,
119 uint32_t aNumStops,
120 ExtendMode aExtendMode = ExtendMode::CLAMP) const;
121
122 virtual TemporaryRef<FilterNode> CreateFilter(FilterType aType);
123
124 virtual void *GetNativeSurface(NativeSurfaceType aType) { return nullptr; }
125
126 bool Init(const IntSize &aSize, SurfaceFormat aFormat);
127 uint32_t GetByteSize() const;
128
129 TemporaryRef<ID2D1Image> GetImageForSurface(SourceSurface *aSurface, Matrix &aSourceTransform,
130 ExtendMode aExtendMode);
131
132 TemporaryRef<ID2D1Image> GetImageForSurface(SourceSurface *aSurface, ExtendMode aExtendMode) {
133 Matrix mat;
134 return GetImageForSurface(aSurface, mat, aExtendMode);
135 }
136
137 static ID2D1Factory1 *factory();
138 static void CleanupD2D();
139 static IDWriteFactory *GetDWriteFactory();
140
141 operator std::string() const {
142 std::stringstream stream;
143 stream << "DrawTargetD2D 1.1 (" << this << ")";
144 return stream.str();
145 }
146
147 static uint64_t mVRAMUsageDT;
148 static uint64_t mVRAMUsageSS;
149
150 private:
151 friend class SourceSurfaceD2D1;
152
153 #ifdef _MSC_VER
154 typedef stdext::hash_set<DrawTargetD2D1*> TargetSet;
155 #else
156 typedef std::unordered_set<DrawTargetD2D1*> TargetSet;
157 #endif
158
159 // This function will mark the surface as changing, and make sure any
160 // copy-on-write snapshots are notified.
161 void MarkChanged();
162 void PrepareForDrawing(CompositionOp aOp, const Pattern &aPattern);
163 void FinalizeDrawing(CompositionOp aOp, const Pattern &aPattern);
164 void FlushTransformToDC() {
165 if (mTransformDirty) {
166 mDC->SetTransform(D2DMatrix(mTransform));
167 mTransformDirty = false;
168 }
169 }
170 void AddDependencyOnSource(SourceSurfaceD2D1* aSource);
171
172 void PopAllClips();
173 void PushClipsToDC(ID2D1DeviceContext *aDC);
174 void PopClipsFromDC(ID2D1DeviceContext *aDC);
175
176 TemporaryRef<ID2D1Brush> CreateBrushForPattern(const Pattern &aPattern, Float aAlpha = 1.0f);
177
178 void PushD2DLayer(ID2D1DeviceContext *aDC, ID2D1Geometry *aGeometry, const D2D1_MATRIX_3X2_F &aTransform);
179
180 IntSize mSize;
181
182 RefPtr<ID3D11Device> mDevice;
183 RefPtr<ID3D11Texture2D> mTexture;
184 // This is only valid if mCurrentClippedGeometry is non-null. And will
185 // only be the intersection of all pixel-aligned retangular clips. This is in
186 // device space.
187 IntRect mCurrentClipBounds;
188 mutable RefPtr<ID2D1DeviceContext> mDC;
189 RefPtr<ID2D1Bitmap1> mBitmap;
190 RefPtr<ID2D1Bitmap1> mTempBitmap;
191
192 // We store this to prevent excessive SetTextRenderingParams calls.
193 RefPtr<IDWriteRenderingParams> mTextRenderingParams;
194
195 // List of pushed clips.
196 struct PushedClip
197 {
198 D2D1_RECT_F mBounds;
199 union {
200 // If mPath is non-null, the mTransform member will be used, otherwise
201 // the mIsPixelAligned member is valid.
202 D2D1_MATRIX_3X2_F mTransform;
203 bool mIsPixelAligned;
204 };
205 RefPtr<PathD2D> mPath;
206 };
207 std::vector<PushedClip> mPushedClips;
208
209 // The latest snapshot of this surface. This needs to be told when this
210 // target is modified. We keep it alive as a cache.
211 RefPtr<SourceSurfaceD2D1> mSnapshot;
212 // A list of targets we need to flush when we're modified.
213 TargetSet mDependentTargets;
214 // A list of targets which have this object in their mDependentTargets set
215 TargetSet mDependingOnTargets;
216
217 // True of the current clip stack is pushed to the main RT.
218 bool mClipsArePushed;
219 static ID2D1Factory1 *mFactory;
220 static IDWriteFactory *mDWriteFactory;
221 };
222
223 }
224 }
225
226 #endif /* MOZILLA_GFX_DRAWTARGETD2D_H_ */

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