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Side by Side Diff: gpu/demos/simple_texture_2d/main.cc

Issue 542120: Converted all demos to use gpu::demos::Example base class. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 10 years, 11 months ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // This is a simple example that draws a quad with a 2D 5 // This is a simple example that draws a quad with a 2D
6 // texture image. The purpose of this example is to demonstrate 6 // texture image. The purpose of this example is to demonstrate
7 // the basics of 2D texturing 7 // the basics of 2D texturing
8 8
9 #include "gpu/demos/app_framework/application.h" 9 #include "gpu/demos/gles2_book/example.h"
10 #include "third_party/gles2_book/Chapter_9/Simple_Texture2D/Simple_Texture2D.h" 10 #include "third_party/gles2_book/Chapter_9/Simple_Texture2D/Simple_Texture2D.h"
11 11
12 namespace gpu_demos { 12 namespace gpu {
13 class SimpleTexture2D : public Application { 13 namespace demos {
14 public: 14 namespace gles2_book {
15 SimpleTexture2D(); 15 typedef Example<STUserData,
16 ~SimpleTexture2D(); 16 stInit,
17 17 NoOpUpdateFunc,
18 bool Init(); 18 stDraw,
19 19 stShutDown> SimpleTexture2D;
20 protected: 20 } // namespace gles2_book
21 virtual void Draw(float elapsed_sec); 21 } // namespace demos
22 22 } // namespace gpu
23 private:
24 ESContext context_;
25 STUserData user_data_;
26
27 DISALLOW_COPY_AND_ASSIGN(SimpleTexture2D);
28 };
29
30 SimpleTexture2D::SimpleTexture2D() {
31 esInitContext(&context_);
32
33 memset(&user_data_, 0, sizeof(STUserData));
34 context_.userData = &user_data_;
35 }
36
37 SimpleTexture2D::~SimpleTexture2D() {
38 stShutDown(&context_);
39 }
40
41 bool SimpleTexture2D::Init() {
42 if (!Application::InitRenderContext()) return false;
43
44 context_.width = width();
45 context_.height = height();
46 if (!stInit(&context_)) return false;
47
48 return true;
49 }
50
51 void SimpleTexture2D::Draw(float /*elapsed_sec*/) {
52 stDraw(&context_);
53 }
54 } // namespace gpu_demos
55 23
56 int main(int argc, char *argv[]) { 24 int main(int argc, char *argv[]) {
57 gpu_demos::SimpleTexture2D app; 25 gpu::demos::gles2_book::SimpleTexture2D demo;
58 if (!app.Init()) { 26 CHECK(demo.Init());
59 printf("Could not init.\n");
60 return EXIT_FAILURE;
61 }
62 27
63 app.MainLoop(); 28 demo.MainLoop();
64 return EXIT_SUCCESS; 29 return EXIT_SUCCESS;
65 } 30 }
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