Allow deleted resources to be used

gpu/command_buffer/service/framebuffer_manager.h

 // Copyright (c) 2011 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 "base/basictypes.h"
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
@@ skipping 21 matching lines @@
       virtual ~Attachment() { }
       virtual GLsizei width() const = 0;
       virtual GLsizei height() const = 0;
       virtual GLenum internal_format() const = 0;
       virtual GLsizei samples() const = 0;
       virtual bool cleared() const = 0;
       virtual void SetCleared(
           RenderbufferManager* renderbuffer_manager,
           TextureManager* texture_manager) = 0;
       virtual bool IsTexture(TextureManager::TextureInfo* texture) const = 0;
+      virtual bool IsRenderbuffer(
+          RenderbufferManager::RenderbufferInfo* renderbuffer) const = 0;
       virtual bool CanRenderTo() const = 0;
       virtual void DetachFromFramebuffer() = 0;
       virtual bool ValidForAttachmentType(GLenum attachment_type) = 0;
     };
 
     explicit FramebufferInfo(GLuint 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);
 
     // Attaches a texture to a particlar attachment. Pass null to detach.
     void AttachTexture(
         GLenum attachment, TextureManager::TextureInfo* texture, GLenum target,
         GLint level);
 
+    // Unbinds the given renderbuffer if it is bound.
+    void UnbindRenderbuffer(
+        GLenum target, RenderbufferManager::RenderbufferInfo* renderbuffer);
+
+    // Unbinds the given texture if it is bound.
+    void UnbindTexture(
+        GLenum target, TextureManager::TextureInfo* texture);
+
     void MarkAttachmentsAsCleared(
       RenderbufferManager* renderbuffer_manager,
       TextureManager* texture_manager);
 
     const Attachment* GetAttachment(GLenum attachment) const;
 
     bool IsDeleted() const {
       return service_id_ == 0;
     }
 
@@ skipping 65 matching lines @@
   typedef base::hash_map<GLuint, FramebufferInfo::Ref> FramebufferInfoMap;
   FramebufferInfoMap framebuffer_infos_;
 
   DISALLOW_COPY_AND_ASSIGN(FramebufferManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_FRAMEBUFFER_MANAGER_H_