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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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