Clear render buffers

gpu/command_buffer/service/framebuffer_manager.h

 // Copyright (c) 2010 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 GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_MANAGER_H_
 
 #include <map>
 #include "base/basictypes.h"
 #include "base/logging.h"
@@ skipping 15 matching lines @@
     typedef scoped_refptr<FramebufferInfo> Ref;
 
     explicit FramebufferInfo(GLuint service_id)
         : service_id_(service_id) {
     }
 
     GLuint service_id() const {
       return service_id_;
     }
 
+    bool HasUnclearedAttachment(GLenum attachment) const;
+
     // Attaches a renderbuffer to a particlar attachment.
     // Pass null to detach.
     void AttachRenderbuffer(
         GLenum attachment, RenderbufferManager::RenderbufferInfo* renderbuffer);
 
+    void MarkAttachedRenderbuffersAsCleared();
+
     bool IsDeleted() {
       return service_id_ == 0;
     }
 
    private:
     friend class FramebufferManager;
     friend class base::RefCounted<FramebufferInfo>;
 
     ~FramebufferInfo() { }
 
@@ skipping 37 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(FramebufferManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_MANAGER_H_