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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 GrEffect_DEFINED | 8 #ifndef GrEffect_DEFINED |
9 #define GrEffect_DEFINED | 9 #define GrEffect_DEFINED |
10 | 10 |
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160 | 160 |
161 int numVertexAttribs() const { return fVertexAttribTypes.count(); } | 161 int numVertexAttribs() const { return fVertexAttribTypes.count(); } |
162 | 162 |
163 GrSLType vertexAttribType(int index) const { return fVertexAttribTypes[index
]; } | 163 GrSLType vertexAttribType(int index) const { return fVertexAttribTypes[index
]; } |
164 | 164 |
165 static const int kMaxVertexAttribs = 2; | 165 static const int kMaxVertexAttribs = 2; |
166 | 166 |
167 /** Useful for effects that want to insert a texture matrix that is implied
by the texture | 167 /** Useful for effects that want to insert a texture matrix that is implied
by the texture |
168 dimensions */ | 168 dimensions */ |
169 static inline SkMatrix MakeDivByTextureWHMatrix(const GrTexture* texture) { | 169 static inline SkMatrix MakeDivByTextureWHMatrix(const GrTexture* texture) { |
170 GrAssert(NULL != texture); | 170 SkASSERT(NULL != texture); |
171 SkMatrix mat; | 171 SkMatrix mat; |
172 mat.setIDiv(texture->width(), texture->height()); | 172 mat.setIDiv(texture->width(), texture->height()); |
173 return mat; | 173 return mat; |
174 } | 174 } |
175 | 175 |
176 void* operator new(size_t size); | 176 void* operator new(size_t size); |
177 void operator delete(void* target); | 177 void operator delete(void* target); |
178 | 178 |
179 void* operator new(size_t size, void* placement) { | 179 void* operator new(size_t size, void* placement) { |
180 return ::operator new(size, placement); | 180 return ::operator new(size, placement); |
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228 } | 228 } |
229 return effect->fEffectRef; | 229 return effect->fEffectRef; |
230 } | 230 } |
231 | 231 |
232 static const GrEffectRef* CreateEffectRef(const GrEffect* effect) { | 232 static const GrEffectRef* CreateEffectRef(const GrEffect* effect) { |
233 return CreateEffectRef(const_cast<GrEffect*>(effect)); | 233 return CreateEffectRef(const_cast<GrEffect*>(effect)); |
234 } | 234 } |
235 | 235 |
236 /** Used by GR_CREATE_STATIC_EFFECT below */ | 236 /** Used by GR_CREATE_STATIC_EFFECT below */ |
237 static GrEffectRef* CreateStaticEffectRef(void* refStorage, GrEffect* effect
) { | 237 static GrEffectRef* CreateStaticEffectRef(void* refStorage, GrEffect* effect
) { |
238 GrAssert(NULL == effect->fEffectRef); | 238 SkASSERT(NULL == effect->fEffectRef); |
239 effect->fEffectRef = SkNEW_PLACEMENT_ARGS(refStorage, GrEffectRef, (effe
ct)); | 239 effect->fEffectRef = SkNEW_PLACEMENT_ARGS(refStorage, GrEffectRef, (effe
ct)); |
240 return effect->fEffectRef; | 240 return effect->fEffectRef; |
241 } | 241 } |
242 | 242 |
243 | 243 |
244 /** Helper used in subclass factory functions to unref the effect after it h
as been wrapped in a | 244 /** Helper used in subclass factory functions to unref the effect after it h
as been wrapped in a |
245 GrEffectRef. E.g.: | 245 GrEffectRef. E.g.: |
246 | 246 |
247 class EffectSubclass : public GrEffect { | 247 class EffectSubclass : public GrEffect { |
248 public: | 248 public: |
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282 void setWillReadFragmentPosition() { fWillReadFragmentPosition = true; } | 282 void setWillReadFragmentPosition() { fWillReadFragmentPosition = true; } |
283 | 283 |
284 private: | 284 private: |
285 bool isEqual(const GrEffect& other) const { | 285 bool isEqual(const GrEffect& other) const { |
286 if (&this->getFactory() != &other.getFactory()) { | 286 if (&this->getFactory() != &other.getFactory()) { |
287 return false; | 287 return false; |
288 } | 288 } |
289 bool result = this->onIsEqual(other); | 289 bool result = this->onIsEqual(other); |
290 #if GR_DEBUG | 290 #if GR_DEBUG |
291 if (result) { | 291 if (result) { |
292 GrAssert(this->numTextures() == other.numTextures()); | 292 SkASSERT(this->numTextures() == other.numTextures()); |
293 for (int i = 0; i < this->numTextures(); ++i) { | 293 for (int i = 0; i < this->numTextures(); ++i) { |
294 GrAssert(*fTextureAccesses[i] == *other.fTextureAccesses[i]); | 294 SkASSERT(*fTextureAccesses[i] == *other.fTextureAccesses[i]); |
295 } | 295 } |
296 } | 296 } |
297 #endif | 297 #endif |
298 return result; | 298 return result; |
299 } | 299 } |
300 | 300 |
301 /** Subclass implements this to support isEqual(). It will only be called if
it is known that | 301 /** Subclass implements this to support isEqual(). It will only be called if
it is known that |
302 the two effects are of the same subclass (i.e. they return the same obje
ct from | 302 the two effects are of the same subclass (i.e. they return the same obje
ct from |
303 getFactory()).*/ | 303 getFactory()).*/ |
304 virtual bool onIsEqual(const GrEffect& other) const = 0; | 304 virtual bool onIsEqual(const GrEffect& other) const = 0; |
305 | 305 |
306 void EffectRefDestroyed() { fEffectRef = NULL; } | 306 void EffectRefDestroyed() { fEffectRef = NULL; } |
307 | 307 |
308 friend class GrEffectRef; // to call EffectRefDestroyed() | 308 friend class GrEffectRef; // to call EffectRefDestroyed() |
309 friend class GrEffectStage; // to rewrap GrEffect in GrEffectRef when restor
ing an effect-stage | 309 friend class GrEffectStage; // to rewrap GrEffect in GrEffectRef when restor
ing an effect-stage |
310 // from deferred state, to call isEqual on naked
GrEffects, and | 310 // from deferred state, to call isEqual on naked
GrEffects, and |
311 // to inc/dec deferred ref counts. | 311 // to inc/dec deferred ref counts. |
312 | 312 |
313 SkSTArray<4, const GrTextureAccess*, true> fTextureAccesses; | 313 SkSTArray<4, const GrTextureAccess*, true> fTextureAccesses; |
314 SkSTArray<kMaxVertexAttribs, GrSLType, true> fVertexAttribTypes; | 314 SkSTArray<kMaxVertexAttribs, GrSLType, true> fVertexAttribTypes; |
315 bool fWillReadDstColor; | 315 bool fWillReadDstColor; |
316 bool fWillReadFragmentPosition; | 316 bool fWillReadFragmentPosition; |
317 GrEffectRef* fEffectRef; | 317 GrEffectRef* fEffectRef; |
318 | 318 |
319 typedef GrRefCnt INHERITED; | 319 typedef GrRefCnt INHERITED; |
320 }; | 320 }; |
321 | 321 |
322 inline GrEffectRef::GrEffectRef(GrEffect* effect) { | 322 inline GrEffectRef::GrEffectRef(GrEffect* effect) { |
323 GrAssert(NULL != effect); | 323 SkASSERT(NULL != effect); |
324 effect->ref(); | 324 effect->ref(); |
325 fEffect = effect; | 325 fEffect = effect; |
326 } | 326 } |
327 | 327 |
328 /** | 328 /** |
329 * This creates an effect outside of the effect memory pool. The effect's destru
ctor will be called | 329 * This creates an effect outside of the effect memory pool. The effect's destru
ctor will be called |
330 * at global destruction time. NAME will be the name of the created GrEffectRef. | 330 * at global destruction time. NAME will be the name of the created GrEffectRef. |
331 */ | 331 */ |
332 #define GR_CREATE_STATIC_EFFECT(NAME, EFFECT_CLASS, ARGS)
\ | 332 #define GR_CREATE_STATIC_EFFECT(NAME, EFFECT_CLASS, ARGS)
\ |
333 enum {
\ | 333 enum {
\ |
334 k_##NAME##_EffectRefOffset = GR_CT_ALIGN_UP(sizeof(EFFECT_CLASS), 8),
\ | 334 k_##NAME##_EffectRefOffset = GR_CT_ALIGN_UP(sizeof(EFFECT_CLASS), 8),
\ |
335 k_##NAME##_StorageSize = k_##NAME##_EffectRefOffset + sizeof(GrEffectRef)
\ | 335 k_##NAME##_StorageSize = k_##NAME##_EffectRefOffset + sizeof(GrEffectRef)
\ |
336 };
\ | 336 };
\ |
337 static SkAlignedSStorage<k_##NAME##_StorageSize> g_##NAME##_Storage;
\ | 337 static SkAlignedSStorage<k_##NAME##_StorageSize> g_##NAME##_Storage;
\ |
338 static void* NAME##_RefLocation = (char*)g_##NAME##_Storage.get() + k_##NAME##_E
ffectRefOffset; \ | 338 static void* NAME##_RefLocation = (char*)g_##NAME##_Storage.get() + k_##NAME##_E
ffectRefOffset; \ |
339 static GrEffect* NAME##_Effect SkNEW_PLACEMENT_ARGS(g_##NAME##_Storage.get(), EF
FECT_CLASS, ARGS);\ | 339 static GrEffect* NAME##_Effect SkNEW_PLACEMENT_ARGS(g_##NAME##_Storage.get(), EF
FECT_CLASS, ARGS);\ |
340 static SkAutoTDestroy<GrEffect> NAME##_ad(NAME##_Effect);
\ | 340 static SkAutoTDestroy<GrEffect> NAME##_ad(NAME##_Effect);
\ |
341 static GrEffectRef* NAME(GrEffect::CreateStaticEffectRef(NAME##_RefLocation, NAM
E##_Effect)); \ | 341 static GrEffectRef* NAME(GrEffect::CreateStaticEffectRef(NAME##_RefLocation, NAM
E##_Effect)); \ |
342 static SkAutoTDestroy<GrEffectRef> NAME##_Ref_ad(NAME) | 342 static SkAutoTDestroy<GrEffectRef> NAME##_Ref_ad(NAME) |
343 | 343 |
344 | 344 |
345 #endif | 345 #endif |
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