gpu: Change Produce/ConsumeTexture to allow texture sharing

gpu/command_buffer/service/renderbuffer_manager.h

 // Copyright (c) 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 GPU_COMMAND_BUFFER_SERVICE_RENDERBUFFER_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_RENDERBUFFER_MANAGER_H_
 
 #include <string>
 #include "base/basictypes.h"
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "gpu/command_buffer/service/gl_utils.h"
 #include "gpu/command_buffer/service/memory_tracking.h"
 #include "gpu/gpu_export.h"
 
 namespace gpu {
 namespace gles2 {
 
 class RenderbufferManager;
 
 // Info about a Renderbuffer.
 class GPU_EXPORT Renderbuffer
     : public base::RefCounted<Renderbuffer> {
  public:
-  Renderbuffer(RenderbufferManager* manager, GLuint service_id);
+  Renderbuffer(RenderbufferManager* manager,
+               GLuint client_id,
+               GLuint service_id);
 
   GLuint service_id() const {
     return service_id_;
   }
 
+  GLuint client_id() const {
+    return client_id_;
+  }
+
   bool cleared() const {
     return cleared_;
   }
 
   GLenum internal_format() const {
     return internal_format_;
   }
 
   GLsizei samples() const {
     return samples_;
   }
 
   GLsizei width() const {
     return width_;
   }
 
   GLsizei height() const {
     return height_;
   }
 
   bool IsDeleted() const {
-    return deleted_;
+    return client_id_ == 0;
   }
 
   void MarkAsValid() {
     has_been_bound_ = true;
   }
 
   bool IsValid() const {
     return has_been_bound_ && !IsDeleted();
   }
 
@@ skipping 14 matching lines @@
   void SetInfo(
       GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height) {
     samples_ = samples;
     internal_format_ = internalformat;
     width_ = width;
     height_ = height;
     cleared_ = false;
   }
 
   void MarkAsDeleted() {
-    deleted_ = true;
+    client_id_ = 0;
   }
 
   // RenderbufferManager that owns this Renderbuffer.
   RenderbufferManager* manager_;
 
-  bool deleted_;
+  // Client side renderbuffer id.
+  GLuint client_id_;
 
   // Service side renderbuffer id.
   GLuint service_id_;
 
   // Whether this renderbuffer has been cleared
   bool cleared_;
 
   // Whether this renderbuffer has ever been bound.
   bool has_been_bound_;
 
@@ skipping 40 matching lines @@
 
   // Creates a Renderbuffer for the given renderbuffer ids.
   void CreateRenderbuffer(GLuint client_id, GLuint service_id);
 
   // Gets the renderbuffer for the given renderbuffer id.
   Renderbuffer* GetRenderbuffer(GLuint client_id);
 
   // Removes a renderbuffer for the given renderbuffer id.
   void RemoveRenderbuffer(GLuint client_id);
 
-  // Gets a client id for a given service id.
-  bool GetClientId(GLuint service_id, GLuint* client_id) const;
-
   size_t mem_represented() const {
     return memory_tracker_->GetMemRepresented();
   }
 
   static bool ComputeEstimatedRenderbufferSize(
       int width, int height, int samples, int internal_format, uint32* size);
   static GLenum InternalRenderbufferFormatToImplFormat(GLenum impl_format);
 
  private:
   friend class Renderbuffer;
@@ skipping 18 matching lines @@
   typedef base::hash_map<GLuint, scoped_refptr<Renderbuffer> > RenderbufferMap;
   RenderbufferMap renderbuffers_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderbufferManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_RENDERBUFFER_MANAGER_H_