Proactive SkPixelRef invalidation

src/gpu/GrContext.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrContext.h"
@@ skipping 375 matching lines @@
         SkASSERT(NULL != texture);
     }
 
     return texture;
 }
 
 GrTexture* GrContext::createTexture(const GrTextureParams* params,
                                     const GrTextureDesc& desc,
                                     const GrCacheID& cacheID,
                                     void* srcData,
-                                    size_t rowBytes) {
+                                    size_t rowBytes,
+                                    GrResourceKey* cacheKey) {
     SK_TRACE_EVENT0("GrContext::createTexture");
 
     GrResourceKey resourceKey = GrTexture::ComputeKey(fGpu, params, desc, cacheID);
 
     GrTexture* texture;
     if (GrTexture::NeedsResizing(resourceKey)) {
         texture = this->createResizedTexture(desc, cacheID,
                                              srcData, rowBytes,
                                              GrTexture::NeedsBilerp(resourceKey));
     } else {
         texture= fGpu->createTexture(desc, srcData, rowBytes);
     }
 
     if (NULL != texture) {
         // Adding a resource could put us overbudget. Try to free up the
         // necessary space before adding it.
         fTextureCache->purgeAsNeeded(1, texture->sizeInBytes());
         fTextureCache->addResource(resourceKey, texture);
+
+        if (NULL != cacheKey) {
+            *cacheKey = resourceKey;
+        }
     }
 
     return texture;
 }
 
 static GrTexture* create_scratch_texture(GrGpu* gpu,
                                          GrResourceCache* textureCache,
                                          const GrTextureDesc& desc) {
     GrTexture* texture = gpu->createTexture(desc, NULL, 0);
     if (NULL != texture) {
@@ skipping 1356 matching lines @@
         return NULL;
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 #if GR_CACHE_STATS
 void GrContext::printCacheStats() const {
     fTextureCache->printStats();
 }
 #endif