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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CC_RESOURCE_PROVIDER_H_ | 5 #ifndef CC_RESOURCE_PROVIDER_H_ |
6 #define CC_RESOURCE_PROVIDER_H_ | 6 #define CC_RESOURCE_PROVIDER_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
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28 class WebGraphicsContext3D; | 28 class WebGraphicsContext3D; |
29 } | 29 } |
30 | 30 |
31 namespace gfx { | 31 namespace gfx { |
32 class Rect; | 32 class Rect; |
33 class Vector2d; | 33 class Vector2d; |
34 } | 34 } |
35 | 35 |
36 namespace cc { | 36 namespace cc { |
37 | 37 |
| 38 class ContextProvider; |
38 class TextureUploader; | 39 class TextureUploader; |
39 | 40 |
40 // This class is not thread-safe and can only be called from the thread it was | 41 // This class is not thread-safe and can only be called from the thread it was |
41 // created on (in practice, the impl thread). | 42 // created on (in practice, the impl thread). |
42 class CC_EXPORT ResourceProvider { | 43 class CC_EXPORT ResourceProvider { |
43 public: | 44 public: |
44 typedef unsigned ResourceId; | 45 typedef unsigned ResourceId; |
45 typedef std::vector<ResourceId> ResourceIdArray; | 46 typedef std::vector<ResourceId> ResourceIdArray; |
46 typedef base::hash_map<ResourceId, ResourceId> ResourceIdMap; | 47 typedef base::hash_map<ResourceId, ResourceId> ResourceIdMap; |
47 enum TextureUsageHint { | 48 enum TextureUsageHint { |
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256 // until this fence has passed. | 257 // until this fence has passed. |
257 void setReadLockFence(scoped_refptr<Fence> fence) { m_currentReadLockFence =
fence; } | 258 void setReadLockFence(scoped_refptr<Fence> fence) { m_currentReadLockFence =
fence; } |
258 Fence* getReadLockFence() { return m_currentReadLockFence; } | 259 Fence* getReadLockFence() { return m_currentReadLockFence; } |
259 | 260 |
260 // Enable read lock fences for a specific resource. | 261 // Enable read lock fences for a specific resource. |
261 void enableReadLockFences(ResourceProvider::ResourceId, bool enable); | 262 void enableReadLockFences(ResourceProvider::ResourceId, bool enable); |
262 | 263 |
263 // Indicates if we can currently lock this resource for write. | 264 // Indicates if we can currently lock this resource for write. |
264 bool canLockForWrite(ResourceId); | 265 bool canLockForWrite(ResourceId); |
265 | 266 |
| 267 cc::ContextProvider* offscreenContextProvider() { return m_offscreenContextP
rovider.get(); } |
| 268 void setOffscreenContextProvider(scoped_refptr<cc::ContextProvider> offscree
nContextProvider); |
| 269 |
266 private: | 270 private: |
267 struct Resource { | 271 struct Resource { |
268 Resource(); | 272 Resource(); |
269 ~Resource(); | 273 ~Resource(); |
270 Resource(unsigned textureId, const gfx::Size& size, GLenum format, GLenu
m filter); | 274 Resource(unsigned textureId, const gfx::Size& size, GLenum format, GLenu
m filter); |
271 Resource(uint8_t* pixels, const gfx::Size& size, GLenum format, GLenum f
ilter); | 275 Resource(uint8_t* pixels, const gfx::Size& size, GLenum format, GLenum f
ilter); |
272 | 276 |
273 unsigned glId; | 277 unsigned glId; |
274 // Pixel buffer used for set pixels without unnecessary copying. | 278 // Pixel buffer used for set pixels without unnecessary copying. |
275 unsigned glPixelBufferId; | 279 unsigned glPixelBufferId; |
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327 | 331 |
328 ResourceType m_defaultResourceType; | 332 ResourceType m_defaultResourceType; |
329 bool m_useTextureStorageExt; | 333 bool m_useTextureStorageExt; |
330 bool m_useTextureUsageHint; | 334 bool m_useTextureUsageHint; |
331 bool m_useShallowFlush; | 335 bool m_useShallowFlush; |
332 scoped_ptr<TextureUploader> m_textureUploader; | 336 scoped_ptr<TextureUploader> m_textureUploader; |
333 scoped_ptr<AcceleratedTextureCopier> m_textureCopier; | 337 scoped_ptr<AcceleratedTextureCopier> m_textureCopier; |
334 int m_maxTextureSize; | 338 int m_maxTextureSize; |
335 GLenum m_bestTextureFormat; | 339 GLenum m_bestTextureFormat; |
336 | 340 |
| 341 scoped_refptr<cc::ContextProvider> m_offscreenContextProvider; |
| 342 |
337 base::ThreadChecker m_threadChecker; | 343 base::ThreadChecker m_threadChecker; |
338 | 344 |
339 scoped_refptr<Fence> m_currentReadLockFence; | 345 scoped_refptr<Fence> m_currentReadLockFence; |
340 | 346 |
341 DISALLOW_COPY_AND_ASSIGN(ResourceProvider); | 347 DISALLOW_COPY_AND_ASSIGN(ResourceProvider); |
342 }; | 348 }; |
343 | 349 |
344 } | 350 } |
345 | 351 |
346 #endif // CC_RESOURCE_PROVIDER_H_ | 352 #endif // CC_RESOURCE_PROVIDER_H_ |
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