Adds support for EXT_framebuffer_multisample...

gpu/command_buffer/service/context_group.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_CONTEXT_GROUP_H_
 #define GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_
 
 #include <map>
 #include <string>
 #include "base/basictypes.h"
@@ skipping 12 matching lines @@
 class FramebufferManager;
 class RenderbufferManager;
 class ProgramManager;
 class ShaderManager;
 class TextureManager;
 
 // A Context Group helps manage multiple GLES2Decoders that share
 // resources.
 class ContextGroup {
  public:
+  struct ExtensionFlags {
+    ExtensionFlags()
+        : ext_framebuffer_multisample(false) {
+    }
+
+    bool ext_framebuffer_multisample;
+  };
+
   ContextGroup();
   ~ContextGroup();
 
   // This should only be called by GLES2Decoder.
   bool Initialize();
 
   // Destroys all the resources. MUST be called before destruction.
   void Destroy(bool have_context);
 
   uint32 max_vertex_attribs() const {
@@ skipping 51 matching lines @@
   IdAllocator* GetIdAllocator(unsigned namepsace_id);
 
   const Validators* validators() const {
     return &validators_;
   }
 
   const std::string& extensions() const {
     return extensions_;
   }
 
+  const ExtensionFlags& extension_flags() const {
+    return extension_flags_;
+  }
+
  private:
   void AddExtensionString(const std::string& str);
 
   // Whether or not this context is initialized.
   bool initialized_;
 
   uint32 max_vertex_attribs_;
   uint32 max_texture_units_;
   uint32 max_texture_image_units_;
   uint32 max_vertex_texture_image_units_;
@@ skipping 14 matching lines @@
   scoped_ptr<ShaderManager> shader_manager_;
 
   typedef std::map<uint32, linked_ptr<IdAllocator> > IdAllocatorMap;
   IdAllocatorMap id_namespaces_;
 
   Validators validators_;
 
   // The extensions string returned by glGetString(GL_EXTENSIONS);
   std::string extensions_;
 
+  // Flags for some extensions
+  ExtensionFlags extension_flags_;
+
   DISALLOW_COPY_AND_ASSIGN(ContextGroup);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_