Cache more GL state both service and client side.

gpu/command_buffer/client/client_context_state.h

Index: gpu/command_buffer/client/client_context_state.h
diff --git a/gpu/command_buffer/client/client_context_state.h b/gpu/command_buffer/client/client_context_state.h
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+++ b/gpu/command_buffer/client/client_context_state.h
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+// 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.
+
+// This file contains the ContextState class.
+
+#ifndef GPU_COMMAND_BUFFER_CLIENT_CLIENT_CONTEXT_STATE_H_
+#define GPU_COMMAND_BUFFER_CLIENT_CLIENT_CONTEXT_STATE_H_
+
+#include <GLES2/gl2.h>
+#include <vector>
+#include "gles2_impl_export.h"
+
+namespace gpu {
+namespace gles2 {
+
+struct GLES2_IMPL_EXPORT ClientContextState {
+  ClientContextState();
+  ~ClientContextState();
+
+  // Returns true if state was cached in which case 'enabled' will be set to the
+  // current state.
+  bool GetEnabled(GLenum cap, bool* enabled) const;
+
+  // Sets the state of a capability.
+  // Returns true if the capability is one that is cached.
+  // 'changed' will be true if the state was different from 'enabled.
+  bool SetCapabilityState(GLenum cap, bool enabled, bool* changed);
+
+  #include "gpu/command_buffer/client/client_context_state_autogen.h"
+
+  EnableFlags enable_flags;
+};
+
+}  // namespace gles2
+}  // namespace gpu
+
+#endif  // GPU_COMMAND_BUFFER_CLIENT_CLIENT_CONTEXT_STATE_H_
+