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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 "GrUserStencilSettings.h" | 17 #include "GrStencil.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 bool hasUserStencilSettings() const { | 202 const GrStencilSettings& getStencil() const { return fStencilSettings; } |
203 return &GrUserStencilSettings::kUnused != fUserStencilSettings; | |
204 } | |
205 const GrUserStencilSettings* getUserStencil() const { return fUserStencilSet
tings; } | |
206 | 203 |
207 /** | 204 /** |
208 * Sets the user stencil settings for the next draw. | 205 * Sets the stencil settings to use for the next draw. |
209 * This class only stores pointers to stencil settings objects. | 206 * Changing the clip has the side-effect of possibly zeroing |
210 * The caller guarantees the pointer will remain valid until it | 207 * out the client settable stencil bits. So multipass algorithms |
211 * changes or goes out of scope. | 208 * using stencil should not change the clip between passes. |
212 * @param settings the stencil settings to use. | 209 * @param settings the stencil settings to use. |
213 */ | 210 */ |
214 void setUserStencil(const GrUserStencilSettings* settings) { fUserStencilSet
tings = settings; } | 211 void setStencil(const GrStencilSettings& settings) { fStencilSettings = sett
ings; } |
215 void disableUserStencil() { fUserStencilSettings = &GrUserStencilSettings::k
Unused; } | 212 |
| 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 |
216 | 253 |
217 /// @} | 254 /// @} |
218 | 255 |
219 /////////////////////////////////////////////////////////////////////////// | 256 /////////////////////////////////////////////////////////////////////////// |
220 /// @name State Flags | 257 /// @name State Flags |
221 //// | 258 //// |
222 | 259 |
223 /** | 260 /** |
224 * Flags that affect rendering. Controlled using enable/disableState(). All | 261 * Flags that affect rendering. Controlled using enable/disableState(). All |
225 * default to disabled. | 262 * default to disabled. |
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327 | 364 |
328 private: | 365 private: |
329 // Some of the auto restore objects assume that no effects are removed durin
g their lifetime. | 366 // Some of the auto restore objects assume that no effects are removed durin
g their lifetime. |
330 // This is used to assert that this condition holds. | 367 // This is used to assert that this condition holds. |
331 SkDEBUGCODE(mutable int fBlockEffectRemovalCnt;) | 368 SkDEBUGCODE(mutable int fBlockEffectRemovalCnt;) |
332 | 369 |
333 typedef SkSTArray<4, const GrFragmentProcessor*, true> FragmentProcessorArra
y; | 370 typedef SkSTArray<4, const GrFragmentProcessor*, true> FragmentProcessorArra
y; |
334 | 371 |
335 SkAutoTUnref<GrRenderTarget> fRenderTarget; | 372 SkAutoTUnref<GrRenderTarget> fRenderTarget; |
336 uint32_t fFlags; | 373 uint32_t fFlags; |
337 const GrUserStencilSettings* fUserStencilSettings; | 374 GrStencilSettings fStencilSettings; |
338 DrawFace fDrawFace; | 375 DrawFace fDrawFace; |
339 mutable SkAutoTUnref<const GrXPFactory> fXPFactory; | 376 mutable SkAutoTUnref<const GrXPFactory> fXPFactory; |
340 FragmentProcessorArray fColorFragmentProcessors; | 377 FragmentProcessorArray fColorFragmentProcessors; |
341 FragmentProcessorArray fCoverageFragmentProcessors; | 378 FragmentProcessorArray fCoverageFragmentProcessors; |
342 GrClip fClip; | 379 GrClip fClip; |
343 | 380 |
344 friend class GrPipeline; | 381 friend class GrPipeline; |
345 friend class GrDrawTarget; | 382 friend class GrDrawTarget; |
346 }; | 383 }; |
347 | 384 |
348 #endif | 385 #endif |
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