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1 /* | 1 /* |
2 * Copyright 2010 Google Inc. | 2 * Copyright 2010 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrDrawTarget_DEFINED | 8 #ifndef GrDrawTarget_DEFINED |
9 #define GrDrawTarget_DEFINED | 9 #define GrDrawTarget_DEFINED |
10 | 10 |
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322 bool fFlushing; | 322 bool fFlushing; |
323 | 323 |
324 typedef SkRefCnt INHERITED; | 324 typedef SkRefCnt INHERITED; |
325 }; | 325 }; |
326 | 326 |
327 /* | 327 /* |
328 * This class is JUST for clip mask manager. Everyone else should just use draw
target above. | 328 * This class is JUST for clip mask manager. Everyone else should just use draw
target above. |
329 */ | 329 */ |
330 class GrClipTarget : public GrDrawTarget { | 330 class GrClipTarget : public GrDrawTarget { |
331 public: | 331 public: |
332 GrClipTarget(GrContext* context) | 332 GrClipTarget(GrContext*); |
333 : INHERITED(context) { | |
334 fClipMaskManager.setClipTarget(this); | |
335 } | |
336 | 333 |
337 /* Clip mask manager needs access to the context. | 334 /* Clip mask manager needs access to the context. |
338 * TODO we only need a very small subset of context in the CMM. | 335 * TODO we only need a very small subset of context in the CMM. |
339 */ | 336 */ |
340 GrContext* getContext() { return INHERITED::getContext(); } | 337 GrContext* getContext() { return INHERITED::getContext(); } |
341 const GrContext* getContext() const { return INHERITED::getContext(); } | 338 const GrContext* getContext() const { return INHERITED::getContext(); } |
342 | 339 |
343 /** | 340 /** |
344 * Clip Mask Manager(and no one else) needs to clear private stencil bits. | 341 * Clip Mask Manager(and no one else) needs to clear private stencil bits. |
345 * ClipTarget subclass sets clip bit in the stencil buffer. The subclass | 342 * ClipTarget subclass sets clip bit in the stencil buffer. The subclass |
346 * is free to clear the remaining bits to zero if masked clears are more | 343 * is free to clear the remaining bits to zero if masked clears are more |
347 * expensive than clearing all bits. | 344 * expensive than clearing all bits. |
348 */ | 345 */ |
349 virtual void clearStencilClip(const SkIRect& rect, bool insideClip, GrRender
Target* = NULL) = 0; | 346 virtual void clearStencilClip(const SkIRect& rect, bool insideClip, GrRender
Target* = NULL) = 0; |
350 | 347 |
351 /** | 348 /** |
352 * Release any resources that are cached but not currently in use. This | 349 * Release any resources that are cached but not currently in use. This |
353 * is intended to give an application some recourse when resources are low. | 350 * is intended to give an application some recourse when resources are low. |
354 */ | 351 */ |
355 void purgeResources() override { | 352 void purgeResources() override; |
356 // The clip mask manager can rebuild all its clip masks so just | |
357 // get rid of them all. | |
358 fClipMaskManager.purgeResources(); | |
359 }; | |
360 | 353 |
361 protected: | 354 protected: |
362 GrClipMaskManager fClipMaskManager; | 355 SkAutoTDelete<GrClipMaskManager> fClipMaskManager; |
363 | 356 |
364 private: | 357 private: |
365 GrClipMaskManager* clipMaskManager() override { return &fClipMaskManager; } | 358 GrClipMaskManager* clipMaskManager() override { return fClipMaskManager; } |
366 | 359 |
367 virtual bool setupClip(GrPipelineBuilder*, | 360 virtual bool setupClip(GrPipelineBuilder*, |
368 GrPipelineBuilder::AutoRestoreFragmentProcessors*, | 361 GrPipelineBuilder::AutoRestoreFragmentProcessors*, |
369 GrPipelineBuilder::AutoRestoreStencil*, | 362 GrPipelineBuilder::AutoRestoreStencil*, |
370 GrScissorState* scissorState, | 363 GrScissorState* scissorState, |
371 const SkRect* devBounds) override; | 364 const SkRect* devBounds) override; |
372 | 365 |
373 typedef GrDrawTarget INHERITED; | 366 typedef GrDrawTarget INHERITED; |
374 }; | 367 }; |
375 | 368 |
376 #endif | 369 #endif |
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