Add basic GL functionality to the passthrough command buffer.

gpu/command_buffer/service/context_group.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_CONTEXT_GROUP_H_
 #define GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 26 matching lines @@
 class FramebufferManager;
 class MailboxManager;
 class RenderbufferManager;
 class PathManager;
 class ProgramManager;
 class SamplerManager;
 class ShaderManager;
 class TextureManager;
 class MemoryTracker;
 struct DisallowedFeatures;
+struct PassthroughResources;
 
 // A Context Group helps manage multiple GLES2Decoders that share
 // resources.
 class GPU_EXPORT ContextGroup : public base::RefCounted<ContextGroup> {
  public:
   ContextGroup(
       const GpuPreferences& gpu_preferences,
       const scoped_refptr<MailboxManager>& mailbox_manager,
       const scoped_refptr<MemoryTracker>& memory_tracker,
       const scoped_refptr<ShaderTranslatorCache>& shader_translator_cache,
@@ skipping 156 matching lines @@
       return false;
     if (service_id)
       *service_id = iter->second;
     return true;
   }
 
   void RemoveSyncId(GLuint client_id) {
     syncs_id_map_.erase(client_id);
   }
 
+  PassthroughResources* passthrough_resources() const {
+    return passthrough_resources_.get();
+  }
+
  private:
   friend class base::RefCounted<ContextGroup>;
   ~ContextGroup();
 
   bool CheckGLFeature(GLint min_required, GLint* v);
   bool CheckGLFeatureU(GLint min_required, uint32_t* v);
   bool QueryGLFeature(GLenum pname, GLint min_required, GLint* v);
   bool QueryGLFeatureU(GLenum pname, GLint min_required, uint32_t* v);
   bool HaveContexts();
 
@@ skipping 47 matching lines @@
 
   scoped_refptr<FeatureInfo> feature_info_;
 
   gpu::ImageFactory* image_factory_;
 
   std::vector<base::WeakPtr<gles2::GLES2Decoder> > decoders_;
 
   // Mappings from client side IDs to service side IDs.
   base::hash_map<GLuint, GLsync> syncs_id_map_;
 
+  std::unique_ptr<PassthroughResources> passthrough_resources_;
+
   DISALLOW_COPY_AND_ASSIGN(ContextGroup);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_