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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2010 Google Inc. | 3 * Copyright 2010 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #ifndef SkGpuDevice_DEFINED | 9 #ifndef SkGpuDevice_DEFINED |
10 #define SkGpuDevice_DEFINED | 10 #define SkGpuDevice_DEFINED |
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34 enum Flags { | 34 enum Flags { |
35 kNeedClear_Flag = 1 << 0, //!< Surface requires an initial clear | 35 kNeedClear_Flag = 1 << 0, //!< Surface requires an initial clear |
36 }; | 36 }; |
37 | 37 |
38 /** | 38 /** |
39 * Creates an SkGpuDevice from a GrRenderTarget. | 39 * Creates an SkGpuDevice from a GrRenderTarget. |
40 */ | 40 */ |
41 static SkGpuDevice* Create(GrRenderTarget* target, const SkSurfaceProps*, un
signed flags = 0); | 41 static SkGpuDevice* Create(GrRenderTarget* target, const SkSurfaceProps*, un
signed flags = 0); |
42 | 42 |
43 /** | 43 /** |
44 * Creates an SkGpuDevice from a GrRenderTarget whose texture width/height i
s | |
45 * different than its actual width/height (e.g., approx-match scratch textur
e). | |
46 */ | |
47 static SkGpuDevice* Create(GrRenderTarget* target, int width, int height, | |
48 const SkSurfaceProps*, unsigned flags = 0); | |
49 | |
50 /** | |
51 * New device that will create an offscreen renderTarget based on the ImageI
nfo and | 44 * New device that will create an offscreen renderTarget based on the ImageI
nfo and |
52 * sampleCount. The Budgeted param controls whether the device's backing sto
re counts against | 45 * sampleCount. The Budgeted param controls whether the device's backing sto
re counts against |
53 * the resource cache budget. On failure, returns NULL. | 46 * the resource cache budget. On failure, returns NULL. |
54 */ | 47 */ |
55 static SkGpuDevice* Create(GrContext*, SkSurface::Budgeted, const SkImageInf
o&, | 48 static SkGpuDevice* Create(GrContext*, SkSurface::Budgeted, const SkImageInf
o&, |
56 int sampleCount, const SkSurfaceProps*, unsigned
flags = 0); | 49 int sampleCount, const SkSurfaceProps*, unsigned
flags = 0); |
57 | 50 |
58 virtual ~SkGpuDevice(); | 51 virtual ~SkGpuDevice(); |
59 | 52 |
60 SkGpuDevice* cloneDevice(const SkSurfaceProps& props) { | 53 SkGpuDevice* cloneDevice(const SkSurfaceProps& props) { |
61 SkBaseDevice* dev = this->onCreateDevice(CreateInfo(this->imageInfo(), k
Possible_TileUsage, | 54 SkBaseDevice* dev = this->onCreateDevice(CreateInfo(this->imageInfo(), k
Possible_TileUsage, |
62 props.pixelGeometry(
)), | 55 props.pixelGeometry(
)), |
63 NULL); | 56 NULL); |
64 return static_cast<SkGpuDevice*>(dev); | 57 return static_cast<SkGpuDevice*>(dev); |
65 } | 58 } |
66 | 59 |
67 GrContext* context() const { return fContext; } | 60 GrContext* context() const { return fContext; } |
68 | 61 |
69 // set all pixels to 0 | 62 // set all pixels to 0 |
70 void clearAll(); | 63 void clearAll(); |
71 | 64 |
72 void replaceRenderTarget(bool shouldRetainContent); | 65 void replaceRenderTarget(bool shouldRetainContent); |
73 | 66 |
74 GrRenderTarget* accessRenderTarget() override; | 67 GrRenderTarget* accessRenderTarget() override; |
75 | 68 |
76 SkImageInfo imageInfo() const override { | 69 SkImageInfo imageInfo() const override { |
77 return fLegacyBitmap.info(); | 70 return fRenderTarget ? fRenderTarget->surfacePriv().info() : SkImageInfo
::MakeUnknown(); |
78 } | 71 } |
79 | 72 |
80 const SkSurfaceProps& surfaceProps() const { return fSurfaceProps; } | 73 const SkSurfaceProps& surfaceProps() const { return fSurfaceProps; } |
81 | 74 |
82 void drawPaint(const SkDraw&, const SkPaint& paint) override; | 75 void drawPaint(const SkDraw&, const SkPaint& paint) override; |
83 virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t coun
t, | 76 virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t coun
t, |
84 const SkPoint[], const SkPaint& paint) override; | 77 const SkPoint[], const SkPaint& paint) override; |
85 virtual void drawRect(const SkDraw&, const SkRect& r, | 78 virtual void drawRect(const SkDraw&, const SkRect& r, |
86 const SkPaint& paint) override; | 79 const SkPaint& paint) override; |
87 virtual void drawRRect(const SkDraw&, const SkRRect& r, | 80 virtual void drawRRect(const SkDraw&, const SkRRect& r, |
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121 void onAttachToCanvas(SkCanvas* canvas) override; | 114 void onAttachToCanvas(SkCanvas* canvas) override; |
122 void onDetachFromCanvas() override; | 115 void onDetachFromCanvas() override; |
123 | 116 |
124 const SkBitmap& onAccessBitmap() override; | 117 const SkBitmap& onAccessBitmap() override; |
125 | 118 |
126 bool canHandleImageFilter(const SkImageFilter*) override; | 119 bool canHandleImageFilter(const SkImageFilter*) override; |
127 virtual bool filterImage(const SkImageFilter*, const SkBitmap&, | 120 virtual bool filterImage(const SkImageFilter*, const SkBitmap&, |
128 const SkImageFilter::Context&, | 121 const SkImageFilter::Context&, |
129 SkBitmap*, SkIPoint*) override; | 122 SkBitmap*, SkIPoint*) override; |
130 | 123 |
131 bool filterTexture(GrContext*, GrTexture*, int width, int height, const SkIm
ageFilter*, | 124 bool filterTexture(GrContext*, GrTexture*, const SkImageFilter*, |
132 const SkImageFilter::Context&, | 125 const SkImageFilter::Context&, |
133 SkBitmap* result, SkIPoint* offset); | 126 SkBitmap* result, SkIPoint* offset); |
134 | 127 |
135 protected: | 128 protected: |
136 bool onReadPixels(const SkImageInfo&, void*, size_t, int, int) override; | 129 bool onReadPixels(const SkImageInfo&, void*, size_t, int, int) override; |
137 bool onWritePixels(const SkImageInfo&, const void*, size_t, int, int) overri
de; | 130 bool onWritePixels(const SkImageInfo&, const void*, size_t, int, int) overri
de; |
138 bool onShouldDisableLCD(const SkPaint&) const override; | 131 bool onShouldDisableLCD(const SkPaint&) const override; |
139 | 132 |
140 /** PRIVATE / EXPERIMENTAL -- do not call */ | 133 /** PRIVATE / EXPERIMENTAL -- do not call */ |
141 virtual bool EXPERIMENTAL_drawPicture(SkCanvas* canvas, const SkPicture* pic
ture, | 134 virtual bool EXPERIMENTAL_drawPicture(SkCanvas* canvas, const SkPicture* pic
ture, |
142 const SkMatrix*, const SkPaint*) overr
ide; | 135 const SkMatrix*, const SkPaint*) overr
ide; |
143 | 136 |
144 private: | 137 private: |
145 GrContext* fContext; | 138 GrContext* fContext; |
146 GrSkDrawProcs* fDrawProcs; | 139 GrSkDrawProcs* fDrawProcs; |
147 SkAutoTUnref<const SkClipStack> fClipStack; | 140 SkAutoTUnref<const SkClipStack> fClipStack; |
148 SkIPoint fClipOrigin; | 141 SkIPoint fClipOrigin; |
149 GrClip fClip; | 142 GrClip fClip; |
150 GrTextContext* fTextContext; | 143 GrTextContext* fTextContext; |
151 SkSurfaceProps fSurfaceProps; | 144 SkSurfaceProps fSurfaceProps; |
152 GrRenderTarget* fRenderTarget; | 145 GrRenderTarget* fRenderTarget; |
153 // remove when our clients don't rely on accessBitmap() | 146 // remove when our clients don't rely on accessBitmap() |
154 SkBitmap fLegacyBitmap; | 147 SkBitmap fLegacyBitmap; |
155 bool fNeedClear; | 148 bool fNeedClear; |
156 | 149 |
157 SkGpuDevice(GrRenderTarget*, int width, int height, const SkSurfaceProps*, u
nsigned flags); | 150 SkGpuDevice(GrRenderTarget*, const SkSurfaceProps*, unsigned flags); |
158 | 151 |
159 SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) override; | 152 SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) override; |
160 | 153 |
161 SkSurface* newSurface(const SkImageInfo&, const SkSurfaceProps&) override; | 154 SkSurface* newSurface(const SkImageInfo&, const SkSurfaceProps&) override; |
162 | 155 |
163 SkImageFilter::Cache* getImageFilterCache() override; | 156 SkImageFilter::Cache* getImageFilterCache() override; |
164 | 157 |
165 bool forceConservativeRasterClip() const override { return true; } | 158 bool forceConservativeRasterClip() const override { return true; } |
166 | 159 |
167 // sets the render target and clip on context | 160 // sets the render target and clip on context |
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217 static SkPicture::AccelData::Key ComputeAccelDataKey(); | 210 static SkPicture::AccelData::Key ComputeAccelDataKey(); |
218 | 211 |
219 static GrRenderTarget* CreateRenderTarget(GrContext*, SkSurface::Budgeted, c
onst SkImageInfo&, | 212 static GrRenderTarget* CreateRenderTarget(GrContext*, SkSurface::Budgeted, c
onst SkImageInfo&, |
220 int sampleCount); | 213 int sampleCount); |
221 | 214 |
222 friend class GrTextContext; | 215 friend class GrTextContext; |
223 typedef SkBaseDevice INHERITED; | 216 typedef SkBaseDevice INHERITED; |
224 }; | 217 }; |
225 | 218 |
226 #endif | 219 #endif |
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