Added preliminary support for tile rasterization with Ganesh

cc/resources/resource_provider.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_RESOURCES_RESOURCE_PROVIDER_H_
 #define CC_RESOURCES_RESOURCE_PROVIDER_H_
 
 #include <deque>
 #include <set>
 #include <string>
@@ skipping 228 matching lines @@
     DISALLOW_COPY_AND_ASSIGN(ScopedSamplerGL);
   };
 
   class CC_EXPORT ScopedWriteLockGL {
    public:
     ScopedWriteLockGL(ResourceProvider* resource_provider,
                       ResourceProvider::ResourceId resource_id);
     ~ScopedWriteLockGL();
 
     unsigned texture_id() const { return texture_id_; }
+    ResourceFormat format() const { return format_; }
 
    private:
     ResourceProvider* resource_provider_;
     ResourceProvider::ResourceId resource_id_;
     unsigned texture_id_;
+    ResourceFormat format_;
 
     DISALLOW_COPY_AND_ASSIGN(ScopedWriteLockGL);
   };
 
   class CC_EXPORT ScopedReadLockSoftware {
    public:
     ScopedReadLockSoftware(ResourceProvider* resource_provider,
                            ResourceProvider::ResourceId resource_id);
     ~ScopedReadLockSoftware();
 
@@ skipping 284 matching lines @@
   return format_gl_data_format[format];
 }
 
 inline GLenum GLInternalFormat(ResourceFormat format) {
   return GLDataFormat(format);
 }
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_RESOURCE_PROVIDER_H_