Replace context parenting by sharing through mailboxes

gpu/command_buffer/service/texture_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_TEXTURE_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_TEXTURE_MANAGER_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 63 matching lines @@
   bool CanRenderTo() const {
     return !stream_texture_ && target_ != GL_TEXTURE_EXTERNAL_OES;
   }
 
   // The service side OpenGL id of the texture.
   GLuint service_id() const {
     return service_id_;
   }
 
   void SetServiceId(GLuint service_id) {
+    DCHECK(service_id);
     service_id_ = service_id;
   }
 
   // Returns the target this texure was first bound to or 0 if it has not
   // been bound. Once a texture is bound to a specific target it can never be
   // bound to a different target.
   GLenum target() const {
     return target_;
   }
 
@@ skipping 23 matching lines @@
       GLint yoffset,
       GLsizei width,
       GLsizei height,
       GLenum format,
       GLenum type) const;
 
   bool IsValid() const {
     return !!target();
   }
 
-  void SetNotOwned() {
-    owned_ = false;
-  }
-
   bool IsAttachedToFramebuffer() const {
     return framebuffer_attachment_count_ != 0;
   }
 
   void AttachToFramebuffer() {
     ++framebuffer_attachment_count_;
   }
 
   void DetachFromFramebuffer() {
     DCHECK_GT(framebuffer_attachment_count_, 0);
@@ skipping 220 matching lines @@
 
   // Whether or not this texture is non-power-of-two
   bool npot_;
 
   // Whether this texture has ever been bound.
   bool has_been_bound_;
 
   // The number of framebuffers this texture is attached to.
   int framebuffer_attachment_count_;
 
-  // Whether the associated context group owns this texture and should delete
-  // it.
-  bool owned_;
-
   // Whether this is a special streaming texture.
   bool stream_texture_;
 
   // Whether the texture is immutable and no further changes to the format
   // or dimensions of the texture object can be made.
   bool immutable_;
 
   // Size in bytes this texture is assumed to take in memory.
   uint32 estimated_size_;
 
@@ skipping 324 matching lines @@
 
   ObserverList<DestructionObserver> destruction_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(TextureManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_TEXTURE_MANAGER_H_