Initial checkin of the compositor_model_bench tool

gpu/tools/compositor_model_bench/forward_render_model.h

+// Copyright (c) 2011 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.
+
+// A render model simulator for the original model used in Chromium.
+
+#ifndef GPU_TOOLS_COMPOSITOR_MODEL_BENCH_FORWARD_RENDER_MODEL_H_
+#define GPU_TOOLS_COMPOSITOR_MODEL_BENCH_FORWARD_RENDER_MODEL_H_
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "gpu/tools/compositor_model_bench/render_model_utils.h"
+#include "gpu/tools/compositor_model_bench/render_models.h"
+
+class ForwardRenderNodeVisitor;
+
+class ForwardRenderSimulator : public RenderModelSimulator {
+ public:
+  explicit ForwardRenderSimulator(RenderNode* root,
+                                  int window_width,
+                                  int window_height);
+  virtual ~ForwardRenderSimulator() OVERRIDE;
+  virtual void Update() OVERRIDE;
+  virtual void Resize(int width, int height) OVERRIDE;
+
+ private:
+  scoped_ptr<ForwardRenderNodeVisitor> visitor_;
+  scoped_ptr<TextureGenerator> textures_;
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(ForwardRenderSimulator);
+};
+
+#endif  // GPU_TOOLS_COMPOSITOR_MODEL_BENCH_FORWARD_RENDER_MODEL_H_
+