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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 |
11 | 11 |
12 #include "SkGr.h" | 12 #include "SkGr.h" |
13 #include "SkBitmap.h" | 13 #include "SkBitmap.h" |
14 #include "SkDevice.h" | 14 #include "SkDevice.h" |
15 #include "SkPicture.h" | 15 #include "SkPicture.h" |
16 #include "SkRegion.h" | 16 #include "SkRegion.h" |
17 #include "SkSurface.h" | 17 #include "SkSurface.h" |
18 #include "GrDrawContext.h" | 18 #include "GrDrawContext.h" |
19 #include "GrContext.h" | 19 #include "GrContext.h" |
20 #include "GrSurfacePriv.h" | 20 #include "GrSurfacePriv.h" |
21 #include "GrTypes.h" | 21 #include "GrTypes.h" |
22 | 22 |
23 class GrAccelData; | 23 class GrAccelData; |
24 class GrTextureProducer; | 24 class GrTextureProducer; |
25 struct GrCachedLayer; | 25 struct GrCachedLayer; |
| 26 class SkRasterCanvasLayerAllocator; |
26 | 27 |
27 /** | 28 /** |
28 * Subclass of SkBaseDevice, which directs all drawing to the GrGpu owned by th
e | 29 * Subclass of SkBaseDevice, which directs all drawing to the GrGpu owned by th
e |
29 * canvas. | 30 * canvas. |
30 */ | 31 */ |
31 class SK_API SkGpuDevice : public SkBaseDevice { | 32 class SK_API SkGpuDevice : public SkBaseDevice { |
32 public: | 33 public: |
33 enum InitContents { | 34 enum InitContents { |
34 kClear_InitContents, | 35 kClear_InitContents, |
35 kUninit_InitContents | 36 kUninit_InitContents |
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54 */ | 55 */ |
55 static SkGpuDevice* Create(GrContext*, SkBudgeted, const SkImageInfo&, | 56 static SkGpuDevice* Create(GrContext*, SkBudgeted, const SkImageInfo&, |
56 int sampleCount, const SkSurfaceProps*, | 57 int sampleCount, const SkSurfaceProps*, |
57 InitContents, GrTextureStorageAllocator = GrTextu
reStorageAllocator()); | 58 InitContents, GrTextureStorageAllocator = GrTextu
reStorageAllocator()); |
58 | 59 |
59 ~SkGpuDevice() override {} | 60 ~SkGpuDevice() override {} |
60 | 61 |
61 SkGpuDevice* cloneDevice(const SkSurfaceProps& props) { | 62 SkGpuDevice* cloneDevice(const SkSurfaceProps& props) { |
62 SkBaseDevice* dev = this->onCreateDevice(CreateInfo(this->imageInfo(), k
Possible_TileUsage, | 63 SkBaseDevice* dev = this->onCreateDevice(CreateInfo(this->imageInfo(), k
Possible_TileUsage, |
63 props.pixelGeometry(
)), | 64 props.pixelGeometry(
)), |
64 nullptr); | 65 nullptr, nullptr); |
65 return static_cast<SkGpuDevice*>(dev); | 66 return static_cast<SkGpuDevice*>(dev); |
66 } | 67 } |
67 | 68 |
68 GrContext* context() const { return fContext; } | 69 GrContext* context() const { return fContext; } |
69 | 70 |
70 // set all pixels to 0 | 71 // set all pixels to 0 |
71 void clearAll(); | 72 void clearAll(); |
72 | 73 |
73 void replaceRenderTarget(bool shouldRetainContent); | 74 void replaceRenderTarget(bool shouldRetainContent); |
74 | 75 |
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171 enum Flags { | 172 enum Flags { |
172 kNeedClear_Flag = 1 << 0, //!< Surface requires an initial clear | 173 kNeedClear_Flag = 1 << 0, //!< Surface requires an initial clear |
173 kIsOpaque_Flag = 1 << 1, //!< Hint from client that rendering to this
device will be | 174 kIsOpaque_Flag = 1 << 1, //!< Hint from client that rendering to this
device will be |
174 // opaque even if the config supports alpha
. | 175 // opaque even if the config supports alpha
. |
175 }; | 176 }; |
176 static bool CheckAlphaTypeAndGetFlags(const SkImageInfo* info, InitContents
init, | 177 static bool CheckAlphaTypeAndGetFlags(const SkImageInfo* info, InitContents
init, |
177 unsigned* flags); | 178 unsigned* flags); |
178 | 179 |
179 SkGpuDevice(GrRenderTarget*, int width, int height, const SkSurfaceProps*, u
nsigned flags); | 180 SkGpuDevice(GrRenderTarget*, int width, int height, const SkSurfaceProps*, u
nsigned flags); |
180 | 181 |
181 SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) override; | 182 SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*, |
| 183 SkRasterCanvasLayerAllocator*) override; |
182 | 184 |
183 SkSurface* newSurface(const SkImageInfo&, const SkSurfaceProps&) override; | 185 SkSurface* newSurface(const SkImageInfo&, const SkSurfaceProps&) override; |
184 | 186 |
185 SkImageFilter::Cache* getImageFilterCache() override; | 187 SkImageFilter::Cache* getImageFilterCache() override; |
186 | 188 |
187 bool forceConservativeRasterClip() const override { return true; } | 189 bool forceConservativeRasterClip() const override { return true; } |
188 | 190 |
189 // sets the render target and clip on context | 191 // sets the render target and clip on context |
190 void prepareDraw(const SkDraw&); | 192 void prepareDraw(const SkDraw&); |
191 | 193 |
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261 | 263 |
262 static GrRenderTarget* CreateRenderTarget(GrContext*, SkBudgeted, const SkIm
ageInfo&, | 264 static GrRenderTarget* CreateRenderTarget(GrContext*, SkBudgeted, const SkIm
ageInfo&, |
263 int sampleCount, GrTextureStorageA
llocator); | 265 int sampleCount, GrTextureStorageA
llocator); |
264 | 266 |
265 friend class GrAtlasTextContext; | 267 friend class GrAtlasTextContext; |
266 friend class SkSurface_Gpu; // for access to surfaceProps | 268 friend class SkSurface_Gpu; // for access to surfaceProps |
267 typedef SkBaseDevice INHERITED; | 269 typedef SkBaseDevice INHERITED; |
268 }; | 270 }; |
269 | 271 |
270 #endif | 272 #endif |
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