Converted all demos to use gpu::demos::Example base class.

gpu/demos/simple_texture_2d/main.cc

 // Copyright (c) 2010 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 is a simple example that draws a quad with a 2D
 // texture image. The purpose of this example is to demonstrate
 // the basics of 2D texturing
 
-#include "gpu/demos/app_framework/application.h"
+#include "gpu/demos/gles2_book/example.h"
 #include "third_party/gles2_book/Chapter_9/Simple_Texture2D/Simple_Texture2D.h"
 
-namespace gpu_demos {
-class SimpleTexture2D : public Application {
- public:
-  SimpleTexture2D();
-  ~SimpleTexture2D();
-
-  bool Init();
-
- protected:
-  virtual void Draw(float elapsed_sec);
-
- private:
-  ESContext context_;
-  STUserData user_data_;
-
-  DISALLOW_COPY_AND_ASSIGN(SimpleTexture2D);
-};
-
-SimpleTexture2D::SimpleTexture2D() {
-  esInitContext(&context_);
-
-  memset(&user_data_, 0, sizeof(STUserData));
-  context_.userData = &user_data_;
-}
-
-SimpleTexture2D::~SimpleTexture2D() {
-  stShutDown(&context_);
-}
-
-bool SimpleTexture2D::Init() {
-  if (!Application::InitRenderContext()) return false;
-
-  context_.width = width();
-  context_.height = height();
-  if (!stInit(&context_)) return false;
-
-  return true;
-}
-
-void SimpleTexture2D::Draw(float /*elapsed_sec*/) {
-  stDraw(&context_);
-}
-}  // namespace gpu_demos
+namespace gpu {
+namespace demos {
+namespace gles2_book {
+typedef Example<STUserData,
+                stInit,
+                NoOpUpdateFunc,
+                stDraw,
+                stShutDown> SimpleTexture2D;
+}  // namespace gles2_book
+}  // namespace demos
+}  // namespace gpu
 
 int main(int argc, char *argv[]) {
-  gpu_demos::SimpleTexture2D app;
-  if (!app.Init()) {
-    printf("Could not init.\n");
-    return EXIT_FAILURE;
-  }
+  gpu::demos::gles2_book::SimpleTexture2D demo;
+  CHECK(demo.Init());
 
-  app.MainLoop();
+  demo.MainLoop();
   return EXIT_SUCCESS;
 }