Initial work to get ETC1 data up to the GPU

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 389 matching lines @@
         fResourceCache->addResource(resourceKey, texture);
 
         if (NULL != cacheKey) {
             *cacheKey = resourceKey;
         }
     }
 
     return texture;
 }
 
+GrTexture* GrContext::createCompressedTexture(const GrTextureParams* params,
+                                              const GrTextureDesc& desc,
+                                              const GrCacheID& cacheID,
+                                              const void* srcData,
+                                              GrCompressedFormat format,
+                                              GrResourceKey* cacheKey) {
+    GrResourceKey resourceKey = GrTextureImpl::ComputeKey(fGpu, params, desc, cacheID);
+
+    GrTexture* texture = NULL;
+    if (!GrTextureImpl::NeedsResizing(resourceKey)) {
+        texture = fGpu->createCompressedTexture(desc, srcData, format);
+    }
+
+    if (NULL != texture) {
+        // Adding a resource could put us overbudget. Try to free up the
+        // necessary space before adding it.
+        fResourceCache->purgeAsNeeded(1, texture->gpuMemorySize());
+        fResourceCache->addResource(resourceKey, texture);
+
+        if (NULL != cacheKey) {
+            *cacheKey = resourceKey;
+        }
+    }
+
+    return texture;
+}
+
 static GrTexture* create_scratch_texture(GrGpu* gpu,
                                          GrResourceCache* resourceCache,
                                          const GrTextureDesc& desc) {
     GrTexture* texture = gpu->createTexture(desc, NULL, 0);
     if (NULL != texture) {
         GrResourceKey key = GrTextureImpl::ComputeScratchKey(texture->desc());
         // Adding a resource could put us overbudget. Try to free up the
         // necessary space before adding it.
         resourceCache->purgeAsNeeded(1, texture->gpuMemorySize());
         // Make the resource exclusive so future 'find' calls don't return it
@@ skipping 1413 matching lines @@
     SkSafeRef(resource);
     return resource;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 #if GR_CACHE_STATS
 void GrContext::printCacheStats() const {
     fResourceCache->printStats();
 }
 #endif