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Side by Side Diff: src/gpu/GrLayerCache.h

Issue 682223002: rename GrTextureDesc->GrSurfaceDesc, GrTextureFlags->GrSurfaceFlags (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: const Created 6 years, 1 month ago
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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 #ifndef GrLayerCache_DEFINED 8 #ifndef GrLayerCache_DEFINED
9 #define GrLayerCache_DEFINED 9 #define GrLayerCache_DEFINED
10 10
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204 const SkIRect& bounds, const SkMatrix& ctm); 204 const SkIRect& bounds, const SkMatrix& ctm);
205 GrCachedLayer* findLayerOrCreate(uint32_t pictureID, 205 GrCachedLayer* findLayerOrCreate(uint32_t pictureID,
206 int start, int stop, 206 int start, int stop,
207 const SkIRect& bounds, 207 const SkIRect& bounds,
208 const SkMatrix& ctm, 208 const SkMatrix& ctm,
209 const SkPaint* paint); 209 const SkPaint* paint);
210 210
211 // Attempt to place 'layer' in the atlas. Return true on success; false on f ailure. 211 // Attempt to place 'layer' in the atlas. Return true on success; false on f ailure.
212 // When true is returned, 'needsRendering' will indicate if the layer must b e (re)drawn. 212 // When true is returned, 'needsRendering' will indicate if the layer must b e (re)drawn.
213 // Additionally, the GPU resources will be locked. 213 // Additionally, the GPU resources will be locked.
214 bool tryToAtlas(GrCachedLayer* layer, const GrTextureDesc& desc, bool* needs Rendering); 214 bool tryToAtlas(GrCachedLayer* layer, const GrSurfaceDesc& desc, bool* needs Rendering);
215 215
216 // Attempt to lock the GPU resources required for a layer. Return true on su ccess; 216 // Attempt to lock the GPU resources required for a layer. Return true on su ccess;
217 // false on failure. When true is returned 'needsRendering' will indicate if the 217 // false on failure. When true is returned 'needsRendering' will indicate if the
218 // layer must be (re)drawn. 218 // layer must be (re)drawn.
219 // Note that atlased layers should already have been locked and rendered so only 219 // Note that atlased layers should already have been locked and rendered so only
220 // free floating layers will have 'needsRendering' set. 220 // free floating layers will have 'needsRendering' set.
221 // Currently, this path always uses a new scratch texture for non-Atlased la yers 221 // Currently, this path always uses a new scratch texture for non-Atlased la yers
222 // and (thus) doesn't cache anything. This can yield a lot of re-rendering. 222 // and (thus) doesn't cache anything. This can yield a lot of re-rendering.
223 // TODO: allow rediscovery of free-floating layers that are still in the res ource cache. 223 // TODO: allow rediscovery of free-floating layers that are still in the res ource cache.
224 bool lock(GrCachedLayer* layer, const GrTextureDesc& desc, bool* needsRender ing); 224 bool lock(GrCachedLayer* layer, const GrSurfaceDesc& desc, bool* needsRender ing);
225 225
226 // addUse is just here to keep the API symmetric 226 // addUse is just here to keep the API symmetric
227 void addUse(GrCachedLayer* layer) { layer->addUse(); } 227 void addUse(GrCachedLayer* layer) { layer->addUse(); }
228 void removeUse(GrCachedLayer* layer) { 228 void removeUse(GrCachedLayer* layer) {
229 layer->removeUse(); 229 layer->removeUse();
230 if (layer->uses() == 0) { 230 if (layer->uses() == 0) {
231 // If no one cares about the layer allow it to be recycled. 231 // If no one cares about the layer allow it to be recycled.
232 this->unlock(layer); 232 this->unlock(layer);
233 } 233 }
234 } 234 }
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307 SkASSERT(fPlotLocks[plotIdx] > 0); 307 SkASSERT(fPlotLocks[plotIdx] > 0);
308 --fPlotLocks[plotIdx]; 308 --fPlotLocks[plotIdx];
309 } 309 }
310 310
311 // for testing 311 // for testing
312 friend class TestingAccess; 312 friend class TestingAccess;
313 int numLayers() const { return fLayerHash.count(); } 313 int numLayers() const { return fLayerHash.count(); }
314 }; 314 };
315 315
316 #endif 316 #endif
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