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| 1 /* | 1 /* |
| 2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 #include "SkBitmapCache.h" | 8 #include "SkBitmapCache.h" |
| 9 #include "SkMutex.h" | 9 #include "SkMutex.h" |
| 10 #include "SkPixelRef.h" | 10 #include "SkPixelRef.h" |
| (...skipping 77 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 88 SkASSERT(!that. genIDIsUnique()); | 88 SkASSERT(!that. genIDIsUnique()); |
| 89 } | 89 } |
| 90 | 90 |
| 91 static void validate_pixels_ctable(const SkImageInfo& info, const SkColorTable*
ctable) { | 91 static void validate_pixels_ctable(const SkImageInfo& info, const SkColorTable*
ctable) { |
| 92 if (info.isEmpty()) { | 92 if (info.isEmpty()) { |
| 93 return; // can't require ctable if the dimensions are empty | 93 return; // can't require ctable if the dimensions are empty |
| 94 } | 94 } |
| 95 if (kIndex_8_SkColorType == info.colorType()) { | 95 if (kIndex_8_SkColorType == info.colorType()) { |
| 96 SkASSERT(ctable); | 96 SkASSERT(ctable); |
| 97 } else { | 97 } else { |
| 98 SkASSERT(NULL == ctable); | 98 SkASSERT(nullptr == ctable); |
| 99 } | 99 } |
| 100 } | 100 } |
| 101 | 101 |
| 102 void SkPixelRef::setPreLocked(void* pixels, size_t rowBytes, SkColorTable* ctabl
e) { | 102 void SkPixelRef::setPreLocked(void* pixels, size_t rowBytes, SkColorTable* ctabl
e) { |
| 103 SkASSERT(pixels); | 103 SkASSERT(pixels); |
| 104 validate_pixels_ctable(fInfo, ctable); | 104 validate_pixels_ctable(fInfo, ctable); |
| 105 // only call me in your constructor, otherwise fLockCount tracking can get | 105 // only call me in your constructor, otherwise fLockCount tracking can get |
| 106 // out of sync. | 106 // out of sync. |
| 107 fRec.fPixels = pixels; | 107 fRec.fPixels = pixels; |
| 108 fRec.fColorTable = ctable; | 108 fRec.fColorTable = ctable; |
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| 191 SkASSERT(result); | 191 SkASSERT(result); |
| 192 if (request.fSize.isEmpty()) { | 192 if (request.fSize.isEmpty()) { |
| 193 return false; | 193 return false; |
| 194 } | 194 } |
| 195 // until we support subsets, we have to check this... | 195 // until we support subsets, we have to check this... |
| 196 if (request.fSize.width() != fInfo.width() || request.fSize.height() != fInf
o.height()) { | 196 if (request.fSize.width() != fInfo.width() || request.fSize.height() != fInf
o.height()) { |
| 197 return false; | 197 return false; |
| 198 } | 198 } |
| 199 | 199 |
| 200 if (fPreLocked) { | 200 if (fPreLocked) { |
| 201 result->fUnlockProc = NULL; | 201 result->fUnlockProc = nullptr; |
| 202 result->fUnlockContext = NULL; | 202 result->fUnlockContext = nullptr; |
| 203 result->fCTable = fRec.fColorTable; | 203 result->fCTable = fRec.fColorTable; |
| 204 result->fPixels = fRec.fPixels; | 204 result->fPixels = fRec.fPixels; |
| 205 result->fRowBytes = fRec.fRowBytes; | 205 result->fRowBytes = fRec.fRowBytes; |
| 206 result->fSize.set(fInfo.width(), fInfo.height()); | 206 result->fSize.set(fInfo.width(), fInfo.height()); |
| 207 } else { | 207 } else { |
| 208 SkAutoMutexAcquire ac(fMutex); | 208 SkAutoMutexAcquire ac(fMutex); |
| 209 if (!this->onRequestLock(request, result)) { | 209 if (!this->onRequestLock(request, result)) { |
| 210 return false; | 210 return false; |
| 211 } | 211 } |
| 212 } | 212 } |
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| 234 } else { | 234 } else { |
| 235 // We lost a race to set fTaggedGenID. compare_exchange() filled id
with the winner. | 235 // We lost a race to set fTaggedGenID. compare_exchange() filled id
with the winner. |
| 236 } | 236 } |
| 237 // We can't quite SkASSERT(this->genIDIsUnique()). It could be non-uniqu
e | 237 // We can't quite SkASSERT(this->genIDIsUnique()). It could be non-uniqu
e |
| 238 // if we got here via the else path (pretty unlikely, but possible). | 238 // if we got here via the else path (pretty unlikely, but possible). |
| 239 } | 239 } |
| 240 return id & ~1u; // Mask off bottom unique bit. | 240 return id & ~1u; // Mask off bottom unique bit. |
| 241 } | 241 } |
| 242 | 242 |
| 243 void SkPixelRef::addGenIDChangeListener(GenIDChangeListener* listener) { | 243 void SkPixelRef::addGenIDChangeListener(GenIDChangeListener* listener) { |
| 244 if (NULL == listener || !this->genIDIsUnique()) { | 244 if (nullptr == listener || !this->genIDIsUnique()) { |
| 245 // No point in tracking this if we're not going to call it. | 245 // No point in tracking this if we're not going to call it. |
| 246 delete listener; | 246 delete listener; |
| 247 return; | 247 return; |
| 248 } | 248 } |
| 249 *fGenIDChangeListeners.append() = listener; | 249 *fGenIDChangeListeners.append() = listener; |
| 250 } | 250 } |
| 251 | 251 |
| 252 // we need to be called *before* the genID gets changed or zerod | 252 // we need to be called *before* the genID gets changed or zerod |
| 253 void SkPixelRef::callGenIDChangeListeners() { | 253 void SkPixelRef::callGenIDChangeListeners() { |
| 254 // We don't invalidate ourselves if we think another SkPixelRef is sharing o
ur genID. | 254 // We don't invalidate ourselves if we think another SkPixelRef is sharing o
ur genID. |
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| 313 | 313 |
| 314 ////////////////////////////////////////////////////////////////////////////////
/////////////////// | 314 ////////////////////////////////////////////////////////////////////////////////
/////////////////// |
| 315 | 315 |
| 316 bool SkPixelRef::onReadPixels(SkBitmap* dst, const SkIRect* subset) { | 316 bool SkPixelRef::onReadPixels(SkBitmap* dst, const SkIRect* subset) { |
| 317 return false; | 317 return false; |
| 318 } | 318 } |
| 319 | 319 |
| 320 void SkPixelRef::onNotifyPixelsChanged() { } | 320 void SkPixelRef::onNotifyPixelsChanged() { } |
| 321 | 321 |
| 322 SkData* SkPixelRef::onRefEncodedData() { | 322 SkData* SkPixelRef::onRefEncodedData() { |
| 323 return NULL; | 323 return nullptr; |
| 324 } | 324 } |
| 325 | 325 |
| 326 bool SkPixelRef::onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3], | 326 bool SkPixelRef::onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3], |
| 327 SkYUVColorSpace* colorSpace) { | 327 SkYUVColorSpace* colorSpace) { |
| 328 return false; | 328 return false; |
| 329 } | 329 } |
| 330 | 330 |
| 331 size_t SkPixelRef::getAllocatedSizeInBytes() const { | 331 size_t SkPixelRef::getAllocatedSizeInBytes() const { |
| 332 return 0; | 332 return 0; |
| 333 } | 333 } |
| (...skipping 10 matching lines...) Expand all Loading... |
| 344 } | 344 } |
| 345 | 345 |
| 346 result->fUnlockProc = unlock_legacy_result; | 346 result->fUnlockProc = unlock_legacy_result; |
| 347 result->fUnlockContext = SkRef(this); // this is balanced in our fUnlockPr
oc | 347 result->fUnlockContext = SkRef(this); // this is balanced in our fUnlockPr
oc |
| 348 result->fCTable = fRec.fColorTable; | 348 result->fCTable = fRec.fColorTable; |
| 349 result->fPixels = fRec.fPixels; | 349 result->fPixels = fRec.fPixels; |
| 350 result->fRowBytes = fRec.fRowBytes; | 350 result->fRowBytes = fRec.fRowBytes; |
| 351 result->fSize.set(fInfo.width(), fInfo.height()); | 351 result->fSize.set(fInfo.width(), fInfo.height()); |
| 352 return true; | 352 return true; |
| 353 } | 353 } |
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