Initial checkin of the compositor_model_bench tool, which simulates the GPU demands of Chromium's...

gpu/tools/compositor_model_bench/render_models.cc

+// 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.
+
+#include "gpu/tools/compositor_model_bench/render_models.h"
+
+#include <string>
+
+#include "gpu/tools/compositor_model_bench/forward_render_model.h"
+
+const char* ModelToString(RenderModel m) {
+  switch (m) {
+    case ForwardRenderModel:
+      return "Forward Rendering";
+    default:
+      return "(unknown render model name)";
+  }
+}
+
+RenderModelSimulator::RenderModelSimulator(RenderNode* root) : root_(root) {
+}
+
+RenderModelSimulator::~RenderModelSimulator() {
+}
+
+RenderModelSimulator* ConstructSimulationModel(RenderModel model,
+                                               RenderNode* render_tree_root,
+                                               int window_width,
+                                               int window_height) {
+  switch (model) {
+    case ForwardRenderModel:
+      return new ForwardRenderSimulator(render_tree_root,
+                                        window_width,
+                                        window_height);
+    default:
+      LOG(ERROR) << "Unrecognized render model. "
+        "If we know its name, then it's..." << ModelToString(model);
+      return 0;
+  }
+}
+