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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 GrPipelineBuilder_DEFINED | 8 #ifndef GrPipelineBuilder_DEFINED |
9 #define GrPipelineBuilder_DEFINED | 9 #define GrPipelineBuilder_DEFINED |
10 | 10 |
11 #include "GrBlend.h" | 11 #include "GrBlend.h" |
12 #include "GrCaps.h" | 12 #include "GrCaps.h" |
13 #include "GrClip.h" | 13 #include "GrClip.h" |
14 #include "GrGpuResourceRef.h" | 14 #include "GrGpuResourceRef.h" |
15 #include "GrProcOptInfo.h" | 15 #include "GrProcOptInfo.h" |
16 #include "GrRenderTarget.h" | 16 #include "GrRenderTarget.h" |
17 #include "GrStencil.h" | 17 #include "GrUserStencilSettings.h" |
18 #include "GrXferProcessor.h" | 18 #include "GrXferProcessor.h" |
19 #include "SkMatrix.h" | 19 #include "SkMatrix.h" |
20 #include "effects/GrCoverageSetOpXP.h" | 20 #include "effects/GrCoverageSetOpXP.h" |
21 #include "effects/GrDisableColorXP.h" | 21 #include "effects/GrDisableColorXP.h" |
22 #include "effects/GrPorterDuffXferProcessor.h" | 22 #include "effects/GrPorterDuffXferProcessor.h" |
23 #include "effects/GrSimpleTextureEffect.h" | 23 #include "effects/GrSimpleTextureEffect.h" |
24 | 24 |
25 class GrDrawBatch; | 25 class GrDrawBatch; |
26 class GrCaps; | 26 class GrCaps; |
27 class GrPaint; | 27 class GrPaint; |
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192 * @param target The render target to set. | 192 * @param target The render target to set. |
193 */ | 193 */ |
194 void setRenderTarget(GrRenderTarget* target) { fRenderTarget.reset(SkSafeRef
(target)); } | 194 void setRenderTarget(GrRenderTarget* target) { fRenderTarget.reset(SkSafeRef
(target)); } |
195 | 195 |
196 /// @} | 196 /// @} |
197 | 197 |
198 /////////////////////////////////////////////////////////////////////////// | 198 /////////////////////////////////////////////////////////////////////////// |
199 /// @name Stencil | 199 /// @name Stencil |
200 //// | 200 //// |
201 | 201 |
202 const GrStencilSettings& getStencil() const { return fStencilSettings; } | 202 bool hasUserStencilSettings() const { |
| 203 return &GrUserStencilSettings::kUnused != fUserStencilSettings; |
| 204 } |
| 205 const GrUserStencilSettings* getUserStencil() const { return fUserStencilSet
tings; } |
203 | 206 |
204 /** | 207 /** |
205 * Sets the stencil settings to use for the next draw. | 208 * Sets the user stencil settings for the next draw. |
206 * Changing the clip has the side-effect of possibly zeroing | 209 * This class only stores pointers to stencil settings objects. |
207 * out the client settable stencil bits. So multipass algorithms | 210 * The caller guarantees the pointer will remain valid until it |
208 * using stencil should not change the clip between passes. | 211 * changes or goes out of scope. |
209 * @param settings the stencil settings to use. | 212 * @param settings the stencil settings to use. |
210 */ | 213 */ |
211 void setStencil(const GrStencilSettings& settings) { fStencilSettings = sett
ings; } | 214 void setUserStencil(const GrUserStencilSettings* settings) { fUserStencilSet
tings = settings; } |
212 | 215 void disableUserStencil() { fUserStencilSettings = &GrUserStencilSettings::k
Unused; } |
213 GrStencilSettings* stencil() { return &fStencilSettings; } | |
214 | |
215 /** | |
216 * AutoRestoreStencil | |
217 * | |
218 * This simple struct saves and restores the stencil settings | |
219 * This class can transiently modify its "const" GrPipelineBuilder object bu
t will restore it | |
220 * when done - so it is notionally "const" correct. | |
221 */ | |
222 class AutoRestoreStencil : public ::SkNoncopyable { | |
223 public: | |
224 AutoRestoreStencil() : fPipelineBuilder(nullptr) {} | |
225 | |
226 AutoRestoreStencil(const GrPipelineBuilder& ds) : fPipelineBuilder(nullp
tr) { this->set(&ds); } | |
227 | |
228 ~AutoRestoreStencil() { this->set(nullptr); } | |
229 | |
230 void set(const GrPipelineBuilder* ds) { | |
231 if (fPipelineBuilder) { | |
232 fPipelineBuilder->setStencil(fStencilSettings); | |
233 } | |
234 fPipelineBuilder = const_cast<GrPipelineBuilder*>(ds); | |
235 if (ds) { | |
236 fStencilSettings = ds->getStencil(); | |
237 } | |
238 } | |
239 | |
240 bool isSet() const { return SkToBool(fPipelineBuilder); } | |
241 | |
242 void setStencil(const GrStencilSettings& settings) { | |
243 SkASSERT(this->isSet()); | |
244 fPipelineBuilder->setStencil(settings); | |
245 } | |
246 | |
247 private: | |
248 // notionally const (as marginalia) | |
249 GrPipelineBuilder* fPipelineBuilder; | |
250 GrStencilSettings fStencilSettings; | |
251 }; | |
252 | |
253 | 216 |
254 /// @} | 217 /// @} |
255 | 218 |
256 /////////////////////////////////////////////////////////////////////////// | 219 /////////////////////////////////////////////////////////////////////////// |
257 /// @name State Flags | 220 /// @name State Flags |
258 //// | 221 //// |
259 | 222 |
260 /** | 223 /** |
261 * Flags that affect rendering. Controlled using enable/disableState(). All | 224 * Flags that affect rendering. Controlled using enable/disableState(). All |
262 * default to disabled. | 225 * default to disabled. |
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364 | 327 |
365 private: | 328 private: |
366 // Some of the auto restore objects assume that no effects are removed durin
g their lifetime. | 329 // Some of the auto restore objects assume that no effects are removed durin
g their lifetime. |
367 // This is used to assert that this condition holds. | 330 // This is used to assert that this condition holds. |
368 SkDEBUGCODE(mutable int fBlockEffectRemovalCnt;) | 331 SkDEBUGCODE(mutable int fBlockEffectRemovalCnt;) |
369 | 332 |
370 typedef SkSTArray<4, const GrFragmentProcessor*, true> FragmentProcessorArra
y; | 333 typedef SkSTArray<4, const GrFragmentProcessor*, true> FragmentProcessorArra
y; |
371 | 334 |
372 SkAutoTUnref<GrRenderTarget> fRenderTarget; | 335 SkAutoTUnref<GrRenderTarget> fRenderTarget; |
373 uint32_t fFlags; | 336 uint32_t fFlags; |
374 GrStencilSettings fStencilSettings; | 337 const GrUserStencilSettings* fUserStencilSettings; |
375 DrawFace fDrawFace; | 338 DrawFace fDrawFace; |
376 mutable SkAutoTUnref<const GrXPFactory> fXPFactory; | 339 mutable SkAutoTUnref<const GrXPFactory> fXPFactory; |
377 FragmentProcessorArray fColorFragmentProcessors; | 340 FragmentProcessorArray fColorFragmentProcessors; |
378 FragmentProcessorArray fCoverageFragmentProcessors; | 341 FragmentProcessorArray fCoverageFragmentProcessors; |
379 GrClip fClip; | 342 GrClip fClip; |
380 | 343 |
381 friend class GrPipeline; | 344 friend class GrPipeline; |
382 friend class GrDrawTarget; | 345 friend class GrDrawTarget; |
383 }; | 346 }; |
384 | 347 |
385 #endif | 348 #endif |
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