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| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 "GrAtlas.h" | 8 #include "GrAtlas.h" |
| 9 #include "GrContext.h" | 9 #include "GrContext.h" |
| 10 #include "GrDrawContext.h" | 10 #include "GrDrawContext.h" |
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| 83 memset(fPlotLocks, 0, sizeof(fPlotLocks)); | 83 memset(fPlotLocks, 0, sizeof(fPlotLocks)); |
| 84 } | 84 } |
| 85 | 85 |
| 86 GrLayerCache::~GrLayerCache() { | 86 GrLayerCache::~GrLayerCache() { |
| 87 | 87 |
| 88 SkTDynamicHash<GrCachedLayer, GrCachedLayer::Key>::Iter iter(&fLayerHash); | 88 SkTDynamicHash<GrCachedLayer, GrCachedLayer::Key>::Iter iter(&fLayerHash); |
| 89 for (; !iter.done(); ++iter) { | 89 for (; !iter.done(); ++iter) { |
| 90 GrCachedLayer* layer = &(*iter); | 90 GrCachedLayer* layer = &(*iter); |
| 91 SkASSERT(0 == layer->uses()); | 91 SkASSERT(0 == layer->uses()); |
| 92 this->unlock(layer); | 92 this->unlock(layer); |
| 93 SkDELETE(layer); | 93 delete layer; |
| 94 } | 94 } |
| 95 | 95 |
| 96 SkASSERT(0 == fPictureHash.count()); | 96 SkASSERT(0 == fPictureHash.count()); |
| 97 | 97 |
| 98 // The atlas only lets go of its texture when the atlas is deleted. | 98 // The atlas only lets go of its texture when the atlas is deleted. |
| 99 fAtlas.free(); | 99 fAtlas.free(); |
| 100 } | 100 } |
| 101 | 101 |
| 102 void GrLayerCache::initAtlas() { | 102 void GrLayerCache::initAtlas() { |
| 103 SkASSERT(NULL == fAtlas.get()); | 103 SkASSERT(NULL == fAtlas.get()); |
| 104 GR_STATIC_ASSERT(kNumPlotsX*kNumPlotsX == GrPictureInfo::kNumPlots); | 104 GR_STATIC_ASSERT(kNumPlotsX*kNumPlotsX == GrPictureInfo::kNumPlots); |
| 105 | 105 |
| 106 SkISize textureSize = SkISize::Make(kAtlasTextureWidth, kAtlasTextureHeight)
; | 106 SkISize textureSize = SkISize::Make(kAtlasTextureWidth, kAtlasTextureHeight)
; |
| 107 fAtlas.reset(SkNEW_ARGS(GrAtlas, (fContext->getGpu(), kSkia8888_GrPixelConfi
g, | 107 fAtlas.reset(new GrAtlas(fContext->getGpu(), kSkia8888_GrPixelConfig, |
| 108 kRenderTarget_GrSurfaceFlag, | 108 kRenderTarget_GrSurfaceFlag, textureSize, kNumPlots
X, kNumPlotsY, |
| 109 textureSize, kNumPlotsX, kNumPlotsY, false
))); | 109 false)); |
| 110 } | 110 } |
| 111 | 111 |
| 112 void GrLayerCache::freeAll() { | 112 void GrLayerCache::freeAll() { |
| 113 | 113 |
| 114 SkTDynamicHash<GrCachedLayer, GrCachedLayer::Key>::Iter iter(&fLayerHash); | 114 SkTDynamicHash<GrCachedLayer, GrCachedLayer::Key>::Iter iter(&fLayerHash); |
| 115 for (; !iter.done(); ++iter) { | 115 for (; !iter.done(); ++iter) { |
| 116 GrCachedLayer* layer = &(*iter); | 116 GrCachedLayer* layer = &(*iter); |
| 117 this->unlock(layer); | 117 this->unlock(layer); |
| 118 SkDELETE(layer); | 118 delete layer; |
| 119 } | 119 } |
| 120 fLayerHash.rewind(); | 120 fLayerHash.rewind(); |
| 121 | 121 |
| 122 // The atlas only lets go of its texture when the atlas is deleted. | 122 // The atlas only lets go of its texture when the atlas is deleted. |
| 123 fAtlas.free(); | 123 fAtlas.free(); |
| 124 } | 124 } |
| 125 | 125 |
| 126 GrCachedLayer* GrLayerCache::createLayer(uint32_t pictureID, | 126 GrCachedLayer* GrLayerCache::createLayer(uint32_t pictureID, |
| 127 int start, int stop, | 127 int start, int stop, |
| 128 const SkIRect& srcIR, | 128 const SkIRect& srcIR, |
| 129 const SkIRect& dstIR, | 129 const SkIRect& dstIR, |
| 130 const SkMatrix& initialMat, | 130 const SkMatrix& initialMat, |
| 131 const int* key, | 131 const int* key, |
| 132 int keySize, | 132 int keySize, |
| 133 const SkPaint* paint) { | 133 const SkPaint* paint) { |
| 134 SkASSERT(pictureID != SK_InvalidGenID && start >= 0 && stop > 0); | 134 SkASSERT(pictureID != SK_InvalidGenID && start >= 0 && stop > 0); |
| 135 | 135 |
| 136 GrCachedLayer* layer = SkNEW_ARGS(GrCachedLayer, (pictureID, start, stop, | 136 GrCachedLayer* layer = new GrCachedLayer(pictureID, start, stop, srcIR, dstI
R, initialMat, key, |
| 137 srcIR, dstIR, initialMat, | 137 keySize, paint); |
| 138 key, keySize, paint)); | |
| 139 fLayerHash.add(layer); | 138 fLayerHash.add(layer); |
| 140 return layer; | 139 return layer; |
| 141 } | 140 } |
| 142 | 141 |
| 143 GrCachedLayer* GrLayerCache::findLayer(uint32_t pictureID, const SkMatrix& initi
alMat, | 142 GrCachedLayer* GrLayerCache::findLayer(uint32_t pictureID, const SkMatrix& initi
alMat, |
| 144 const int* key, int keySize) { | 143 const int* key, int keySize) { |
| 145 SkASSERT(pictureID != SK_InvalidGenID); | 144 SkASSERT(pictureID != SK_InvalidGenID); |
| 146 return fLayerHash.find(GrCachedLayer::Key(pictureID, initialMat, key, keySiz
e)); | 145 return fLayerHash.find(GrCachedLayer::Key(pictureID, initialMat, key, keySiz
e)); |
| 147 } | 146 } |
| 148 | 147 |
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| 193 } else { | 192 } else { |
| 194 if (!fAtlas) { | 193 if (!fAtlas) { |
| 195 this->initAtlas(); | 194 this->initAtlas(); |
| 196 if (!fAtlas) { | 195 if (!fAtlas) { |
| 197 return false; | 196 return false; |
| 198 } | 197 } |
| 199 } | 198 } |
| 200 // Not in the atlas - will it fit? | 199 // Not in the atlas - will it fit? |
| 201 GrPictureInfo* pictInfo = fPictureHash.find(layer->pictureID()); | 200 GrPictureInfo* pictInfo = fPictureHash.find(layer->pictureID()); |
| 202 if (NULL == pictInfo) { | 201 if (NULL == pictInfo) { |
| 203 pictInfo = SkNEW_ARGS(GrPictureInfo, (layer->pictureID())); | 202 pictInfo = new GrPictureInfo(layer->pictureID()); |
| 204 fPictureHash.add(pictInfo); | 203 fPictureHash.add(pictInfo); |
| 205 } | 204 } |
| 206 | 205 |
| 207 SkIPoint16 loc; | 206 SkIPoint16 loc; |
| 208 for (int i = 0; i < 2; ++i) { // extra pass in case we fail to add but a
re able to purge | 207 for (int i = 0; i < 2; ++i) { // extra pass in case we fail to add but a
re able to purge |
| 209 GrPlot* plot = fAtlas->addToAtlas(&pictInfo->fPlotUsage, | 208 GrPlot* plot = fAtlas->addToAtlas(&pictInfo->fPlotUsage, |
| 210 desc.fWidth, desc.fHeight, | 209 desc.fWidth, desc.fHeight, |
| 211 NULL, &loc); | 210 NULL, &loc); |
| 212 // addToAtlas can allocate the backing texture | 211 // addToAtlas can allocate the backing texture |
| 213 SkDEBUGCODE(avl.setBackingTexture(fAtlas->getTexture())); | 212 SkDEBUGCODE(avl.setBackingTexture(fAtlas->getTexture())); |
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| 228 | 227 |
| 229 // The layer was rejected by the atlas (even though we know it is | 228 // The layer was rejected by the atlas (even though we know it is |
| 230 // plausibly atlas-able). See if a plot can be purged and try again. | 229 // plausibly atlas-able). See if a plot can be purged and try again. |
| 231 if (!this->purgePlot()) { | 230 if (!this->purgePlot()) { |
| 232 break; // We weren't able to purge any plots | 231 break; // We weren't able to purge any plots |
| 233 } | 232 } |
| 234 } | 233 } |
| 235 | 234 |
| 236 if (pictInfo->fPlotUsage.isEmpty()) { | 235 if (pictInfo->fPlotUsage.isEmpty()) { |
| 237 fPictureHash.remove(pictInfo->fPictureID); | 236 fPictureHash.remove(pictInfo->fPictureID); |
| 238 SkDELETE(pictInfo); | 237 delete pictInfo; |
| 239 } | 238 } |
| 240 } | 239 } |
| 241 | 240 |
| 242 return false; | 241 return false; |
| 243 } | 242 } |
| 244 | 243 |
| 245 bool GrLayerCache::lock(GrCachedLayer* layer, const GrSurfaceDesc& desc, bool* n
eedsRendering) { | 244 bool GrLayerCache::lock(GrCachedLayer* layer, const GrSurfaceDesc& desc, bool* n
eedsRendering) { |
| 246 if (layer->locked()) { | 245 if (layer->locked()) { |
| 247 // This layer is already locked | 246 // This layer is already locked |
| 248 *needsRendering = false; | 247 *needsRendering = false; |
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| 288 GrPictureInfo* pictInfo = fPictureHash.find(layer->pictureID()); | 287 GrPictureInfo* pictInfo = fPictureHash.find(layer->pictureID()); |
| 289 SkASSERT(pictInfo); | 288 SkASSERT(pictInfo); |
| 290 | 289 |
| 291 pictInfo->decPlotUsage(plotID); | 290 pictInfo->decPlotUsage(plotID); |
| 292 | 291 |
| 293 if (0 == pictInfo->plotUsage(plotID)) { | 292 if (0 == pictInfo->plotUsage(plotID)) { |
| 294 GrAtlas::RemovePlot(&pictInfo->fPlotUsage, layer->plot()); | 293 GrAtlas::RemovePlot(&pictInfo->fPlotUsage, layer->plot()); |
| 295 | 294 |
| 296 if (pictInfo->fPlotUsage.isEmpty()) { | 295 if (pictInfo->fPlotUsage.isEmpty()) { |
| 297 fPictureHash.remove(pictInfo->fPictureID); | 296 fPictureHash.remove(pictInfo->fPictureID); |
| 298 SkDELETE(pictInfo); | 297 delete pictInfo; |
| 299 } | 298 } |
| 300 } | 299 } |
| 301 | 300 |
| 302 layer->setPlot(NULL); | 301 layer->setPlot(NULL); |
| 303 layer->setTexture(NULL, SkIRect::MakeEmpty()); | 302 layer->setTexture(NULL, SkIRect::MakeEmpty()); |
| 304 #endif | 303 #endif |
| 305 | 304 |
| 306 } else { | 305 } else { |
| 307 layer->setTexture(NULL, SkIRect::MakeEmpty()); | 306 layer->setTexture(NULL, SkIRect::MakeEmpty()); |
| 308 } | 307 } |
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| 373 for (; !iter.done(); ++iter) { | 372 for (; !iter.done(); ++iter) { |
| 374 if (pictureID == (*iter).pictureID()) { | 373 if (pictureID == (*iter).pictureID()) { |
| 375 *toBeRemoved.append() = &(*iter); | 374 *toBeRemoved.append() = &(*iter); |
| 376 } | 375 } |
| 377 } | 376 } |
| 378 | 377 |
| 379 for (int i = 0; i < toBeRemoved.count(); ++i) { | 378 for (int i = 0; i < toBeRemoved.count(); ++i) { |
| 380 SkASSERT(0 == toBeRemoved[i]->uses()); | 379 SkASSERT(0 == toBeRemoved[i]->uses()); |
| 381 this->unlock(toBeRemoved[i]); | 380 this->unlock(toBeRemoved[i]); |
| 382 fLayerHash.remove(GrCachedLayer::GetKey(*toBeRemoved[i])); | 381 fLayerHash.remove(GrCachedLayer::GetKey(*toBeRemoved[i])); |
| 383 SkDELETE(toBeRemoved[i]); | 382 delete toBeRemoved[i]; |
| 384 } | 383 } |
| 385 | 384 |
| 386 GrPictureInfo* pictInfo = fPictureHash.find(pictureID); | 385 GrPictureInfo* pictInfo = fPictureHash.find(pictureID); |
| 387 if (pictInfo) { | 386 if (pictInfo) { |
| 388 fPictureHash.remove(pictureID); | 387 fPictureHash.remove(pictureID); |
| 389 SkDELETE(pictInfo); | 388 delete pictInfo; |
| 390 } | 389 } |
| 391 } | 390 } |
| 392 | 391 |
| 393 bool GrLayerCache::purgePlot() { | 392 bool GrLayerCache::purgePlot() { |
| 394 SkDEBUGCODE(GrAutoValidateCache avc(this);) | 393 SkDEBUGCODE(GrAutoValidateCache avc(this);) |
| 395 SkASSERT(fAtlas); | 394 SkASSERT(fAtlas); |
| 396 | 395 |
| 397 GrAtlas::PlotIter iter; | 396 GrAtlas::PlotIter iter; |
| 398 GrPlot* plot; | 397 GrPlot* plot; |
| 399 for (plot = fAtlas->iterInit(&iter, GrAtlas::kLRUFirst_IterOrder); | 398 for (plot = fAtlas->iterInit(&iter, GrAtlas::kLRUFirst_IterOrder); |
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| 424 } | 423 } |
| 425 | 424 |
| 426 for (int i = 0; i < toBeRemoved.count(); ++i) { | 425 for (int i = 0; i < toBeRemoved.count(); ++i) { |
| 427 SkASSERT(0 == toBeRemoved[i]->uses()); | 426 SkASSERT(0 == toBeRemoved[i]->uses()); |
| 428 SkASSERT(!toBeRemoved[i]->locked()); | 427 SkASSERT(!toBeRemoved[i]->locked()); |
| 429 | 428 |
| 430 uint32_t pictureIDToRemove = toBeRemoved[i]->pictureID(); | 429 uint32_t pictureIDToRemove = toBeRemoved[i]->pictureID(); |
| 431 | 430 |
| 432 // Aggressively remove layers and, if it becomes totally uncached, delet
e the picture info | 431 // Aggressively remove layers and, if it becomes totally uncached, delet
e the picture info |
| 433 fLayerHash.remove(GrCachedLayer::GetKey(*toBeRemoved[i])); | 432 fLayerHash.remove(GrCachedLayer::GetKey(*toBeRemoved[i])); |
| 434 SkDELETE(toBeRemoved[i]); | 433 delete toBeRemoved[i]; |
| 435 | 434 |
| 436 GrPictureInfo* pictInfo = fPictureHash.find(pictureIDToRemove); | 435 GrPictureInfo* pictInfo = fPictureHash.find(pictureIDToRemove); |
| 437 if (pictInfo) { | 436 if (pictInfo) { |
| 438 #if !GR_CACHE_HOISTED_LAYERS | 437 #if !GR_CACHE_HOISTED_LAYERS |
| 439 SkASSERT(0 == pictInfo->plotUsage(plot->id())); | 438 SkASSERT(0 == pictInfo->plotUsage(plot->id())); |
| 440 #endif | 439 #endif |
| 441 GrAtlas::RemovePlot(&pictInfo->fPlotUsage, plot); | 440 GrAtlas::RemovePlot(&pictInfo->fPlotUsage, plot); |
| 442 | 441 |
| 443 if (pictInfo->fPlotUsage.isEmpty()) { | 442 if (pictInfo->fPlotUsage.isEmpty()) { |
| 444 fPictureHash.remove(pictInfo->fPictureID); | 443 fPictureHash.remove(pictInfo->fPictureID); |
| 445 SkDELETE(pictInfo); | 444 delete pictInfo; |
| 446 } | 445 } |
| 447 } | 446 } |
| 448 } | 447 } |
| 449 | 448 |
| 450 plot->resetRects(); | 449 plot->resetRects(); |
| 451 } | 450 } |
| 452 | 451 |
| 453 #if !GR_CACHE_HOISTED_LAYERS | 452 #if !GR_CACHE_HOISTED_LAYERS |
| 454 void GrLayerCache::purgeAll() { | 453 void GrLayerCache::purgeAll() { |
| 455 if (!fAtlas) { | 454 if (!fAtlas) { |
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| 510 fileName.appendf("\\%d", layer->fKey.pictureID()); | 509 fileName.appendf("\\%d", layer->fKey.pictureID()); |
| 511 for (int i = 0; i < layer->fKey.keySize(); ++i) { | 510 for (int i = 0; i < layer->fKey.keySize(); ++i) { |
| 512 fileName.appendf("-%d", layer->fKey.key()[i]); | 511 fileName.appendf("-%d", layer->fKey.key()[i]); |
| 513 } | 512 } |
| 514 fileName.appendf(".png"); | 513 fileName.appendf(".png"); |
| 515 | 514 |
| 516 layer->texture()->surfacePriv().savePixels(fileName.c_str()); | 515 layer->texture()->surfacePriv().savePixels(fileName.c_str()); |
| 517 } | 516 } |
| 518 } | 517 } |
| 519 #endif | 518 #endif |
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