cc: Defer texture allocation (to allow async allocations).

cc/resource_provider.h

Index: cc/resource_provider.h
diff --git a/cc/resource_provider.h b/cc/resource_provider.h
index d90d2244340edfdc731913b8505f1dde6c5e4005..76e889bfaa57b56a6c056f77db9a0ee0aa630b55 100644
--- a/cc/resource_provider.h
+++ b/cc/resource_provider.h
@@ -75,6 +75,10 @@ public:
     // Creates a resource which is tagged as being managed for GPU memory accounting purposes.
     ResourceId createManagedResource(const gfx::Size&, GLenum format, TextureUsageHint);
 
+    // For tests only! Otherwise, implicitly allocate via lockForWrite or setPixels variant.
+    ResourceId createAllocatedResource(const gfx::Size&, GLenum format, TextureUsageHint);
+    ResourceId createAllocatedManagedResource(const gfx::Size&, GLenum format, TextureUsageHint);

[piman, 2012/12/18 22:41:38]

How about one explicit allocateResourceForTest(ResourceId) instead of 2 extra
entrypoints?

+
     // You can also explicitly create a specific resource type.
     ResourceId createGLTexture(const gfx::Size&, GLenum format, GLenum texturePool, TextureUsageHint);
 
@@ -250,6 +254,7 @@ private:
         bool exported;
         bool markedForDeletion;
         bool pendingSetPixels;
+        bool allocated;
         gfx::Size size;
         GLenum format;
         // TODO(skyostil): Use a separate sampler object for filter state.
@@ -277,6 +282,8 @@ private:
 
     bool transferResource(WebKit::WebGraphicsContext3D*, ResourceId, TransferableResource*);
     void deleteResourceInternal(ResourceMap::iterator it);
+    void lazyAllocate(ResourceId);
+    void lazyAllocate(Resource*);
 
     OutputSurface* m_outputSurface;
     ResourceId m_nextId;