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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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| 229 | 229 |
| 230 // Makes a copy of the dst if it is necessary for the draw. Returns false if
a copy is required | 230 // Makes a copy of the dst if it is necessary for the draw. Returns false if
a copy is required |
| 231 // but couldn't be made. Otherwise, returns true. This method needs to be p
rotected because it | 231 // but couldn't be made. Otherwise, returns true. This method needs to be p
rotected because it |
| 232 // needs to be accessed by GLPrograms to setup a correct drawstate | 232 // needs to be accessed by GLPrograms to setup a correct drawstate |
| 233 bool setupDstReadIfNecessary(const GrPipelineBuilder&, | 233 bool setupDstReadIfNecessary(const GrPipelineBuilder&, |
| 234 const GrProcOptInfo& colorPOI, | 234 const GrProcOptInfo& colorPOI, |
| 235 const GrProcOptInfo& coveragePOI, | 235 const GrProcOptInfo& coveragePOI, |
| 236 GrXferProcessor::DstTexture*, | 236 GrXferProcessor::DstTexture*, |
| 237 const SkRect* drawBounds); | 237 const SkRect* drawBounds); |
| 238 | 238 |
| 239 virtual void onDrawBatch(GrBatch*) = 0; |
| 240 |
| 239 private: | 241 private: |
| 240 virtual void onReset() = 0; | 242 virtual void onReset() = 0; |
| 241 | 243 |
| 242 virtual void onFlush() = 0; | 244 virtual void onFlush() = 0; |
| 243 | 245 |
| 244 virtual void onDrawBatch(GrBatch*) = 0; | |
| 245 virtual void onStencilPath(const GrPipelineBuilder&, | 246 virtual void onStencilPath(const GrPipelineBuilder&, |
| 246 const GrPathProcessor*, | 247 const GrPathProcessor*, |
| 247 const GrPath*, | 248 const GrPath*, |
| 248 const GrScissorState&, | 249 const GrScissorState&, |
| 249 const GrStencilSettings&) = 0; | 250 const GrStencilSettings&) = 0; |
| 250 virtual void onDrawPath(const GrPathProcessor*, | 251 virtual void onDrawPath(const GrPathProcessor*, |
| 251 const GrPath*, | 252 const GrPath*, |
| 252 const GrStencilSettings&, | 253 const GrStencilSettings&, |
| 253 const PipelineInfo&) = 0; | 254 const PipelineInfo&) = 0; |
| 254 virtual void onDrawPaths(const GrPathProcessor*, | 255 virtual void onDrawPaths(const GrPathProcessor*, |
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| 304 */ | 305 */ |
| 305 GrContext* getContext() { return fContext; } | 306 GrContext* getContext() { return fContext; } |
| 306 const GrContext* getContext() const { return fContext; } | 307 const GrContext* getContext() const { return fContext; } |
| 307 | 308 |
| 308 /** | 309 /** |
| 309 * Clip Mask Manager(and no one else) needs to clear private stencil bits. | 310 * Clip Mask Manager(and no one else) needs to clear private stencil bits. |
| 310 * ClipTarget subclass sets clip bit in the stencil buffer. The subclass | 311 * ClipTarget subclass sets clip bit in the stencil buffer. The subclass |
| 311 * is free to clear the remaining bits to zero if masked clears are more | 312 * is free to clear the remaining bits to zero if masked clears are more |
| 312 * expensive than clearing all bits. | 313 * expensive than clearing all bits. |
| 313 */ | 314 */ |
| 314 virtual void clearStencilClip(const SkIRect& rect, bool insideClip, GrRender
Target* = NULL) = 0; | 315 void clearStencilClip(const SkIRect&, bool insideClip, GrRenderTarget*); |
| 315 | 316 |
| 316 /** | 317 /** |
| 317 * Release any resources that are cached but not currently in use. This | 318 * Release any resources that are cached but not currently in use. This |
| 318 * is intended to give an application some recourse when resources are low. | 319 * is intended to give an application some recourse when resources are low. |
| 319 */ | 320 */ |
| 320 void purgeResources() override; | 321 void purgeResources() override; |
| 321 | 322 |
| 322 protected: | 323 protected: |
| 323 SkAutoTDelete<GrClipMaskManager> fClipMaskManager; | 324 SkAutoTDelete<GrClipMaskManager> fClipMaskManager; |
| 324 GrContext* fContext; | 325 GrContext* fContext; |
| 325 | 326 |
| 326 private: | 327 private: |
| 327 GrClipMaskManager* clipMaskManager() override { return fClipMaskManager; } | 328 GrClipMaskManager* clipMaskManager() override { return fClipMaskManager; } |
| 328 | 329 |
| 329 bool setupClip(const GrPipelineBuilder&, | 330 bool setupClip(const GrPipelineBuilder&, |
| 330 GrPipelineBuilder::AutoRestoreFragmentProcessorState*, | 331 GrPipelineBuilder::AutoRestoreFragmentProcessorState*, |
| 331 GrPipelineBuilder::AutoRestoreStencil*, | 332 GrPipelineBuilder::AutoRestoreStencil*, |
| 332 GrScissorState* scissorState, | 333 GrScissorState* scissorState, |
| 333 const SkRect* devBounds) override; | 334 const SkRect* devBounds) override; |
| 334 | 335 |
| 335 typedef GrDrawTarget INHERITED; | 336 typedef GrDrawTarget INHERITED; |
| 336 }; | 337 }; |
| 337 | 338 |
| 338 #endif | 339 #endif |
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