Early wait on texture resource sync points in gl_renderer.

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 348 matching lines @@
 
   // Enable read lock fences for a specific resource.
   void EnableReadLockFences(ResourceProvider::ResourceId id);
 
   // Indicates if we can currently lock this resource for write.
   bool CanLockForWrite(ResourceId id);
 
   // Copy pixels from source to destination.
   void CopyResource(ResourceId source_id, ResourceId dest_id);
 
+  void WaitSyncPointIfNeeded(ResourceId id);
+
   static GLint GetActiveTextureUnit(gpu::gles2::GLES2Interface* gl);
 
  private:
   class GpuRasterBuffer;
   class ImageRasterBuffer;
   class PixelRasterBuffer;
 
   struct Resource {
     enum Origin { Internal, External, Delegated };
 
@@ skipping 317 matching lines @@
   return format_gl_data_format[format];
 }
 
 inline GLenum GLInternalFormat(ResourceFormat format) {
   return GLDataFormat(format);
 }
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_RESOURCE_PROVIDER_H_