Revert 98706 - Initial checkin of the compositor_model_bench tool

gpu/tools/compositor_model_bench/render_model_utils.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.
-
-// Whole-tree processing that's likely to be helpful in multiple render models.
-
-#ifndef GPU_TOOLS_COMPOSITOR_MODEL_BENCH_RENDER_MODEL_UTILS_H_
-#define GPU_TOOLS_COMPOSITOR_MODEL_BENCH_RENDER_MODEL_UTILS_H_
-
-#include <map>
-#include <set>
-#include <vector>
-
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "gpu/tools/compositor_model_bench/render_tree.h"
-
-// This is a visitor that runs over the tree structure that was built from the
-// configuration file. It creates OpenGL textures (random checkerboards) that
-// match the specifications of the original textures and overwrites the old
-// texture ID's in the tree, replacing them with the matching new textures.
-class TextureGenerator : public RenderNodeVisitor {
- public:
-  typedef scoped_array<uint8> ImagePtr;
-  typedef std::vector<Tile>::iterator tile_iter;
-
-  explicit TextureGenerator(RenderNode* root);
-  virtual ~TextureGenerator() OVERRIDE;
-
-  // RenderNodeVisitor functions look for textures and pass them
-  // off to HandleTexture (which behaves appropriately depending
-  // on which pass we are in.)
-  virtual void BeginVisitRenderNode(RenderNode* node) OVERRIDE;
-  virtual void BeginVisitCCNode(CCNode* node) OVERRIDE;
-
- private:
-  enum TextureGenStage {
-    DiscoveryStage,
-    RemappingStage,
-    ImageGenerationStage
-  };
-
-  void DiscoverInputIDs(RenderNode* root);
-  void GenerateGLTexIDs();
-  void AssignIDMapping();
-  void WriteOutNewIDs(RenderNode* root);
-  void AllocateImageArray();
-  void BuildTextureImages(RenderNode* root);
-  void HandleTexture(int* texID, int width, int height, GLenum format);
-  void GenerateImageForTexture(int texID, int width, int height, GLenum format);
-
-  TextureGenStage stage_;
-  std::set<int> discovered_ids_;
-  scoped_array<GLuint> tex_ids_;
-  std::map<int, int> remapped_ids_;
-  scoped_array<ImagePtr> image_data_;
-  int images_generated_;
-  std::set<int> ids_for_completed_textures_;
-};
-
-#endif  // GPU_TOOLS_COMPOSITOR_MODEL_BENCH_RENDER_MODEL_UTILS_H_
-