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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 // Base class for gles2 demos. | 5 // Base class for gles2 demos. |
6 | 6 |
7 #ifndef GPU_DEMOS_FRAMEWORK_DEMO_H_ | 7 #ifndef GPU_DEMOS_FRAMEWORK_DEMO_H_ |
8 #define GPU_DEMOS_FRAMEWORK_DEMO_H_ | 8 #define GPU_DEMOS_FRAMEWORK_DEMO_H_ |
9 | 9 |
10 #include <ctime> | 10 #include <ctime> |
11 | 11 |
12 namespace gpu { | 12 namespace gpu { |
13 namespace demos { | 13 namespace demos { |
14 | 14 |
15 // Base class for GLES2 demos. The same demo class is supposed to be run as | 15 // Base class for GLES2 demos. The same demo class is supposed to be run as |
16 // standalone apps (exe), pepper plugin (dll), and nacl module (nexe). This is | 16 // standalone apps (exe), pepper plugin (dll), and nacl module (nexe). This is |
17 // accomplished by creating framework for each platfom and hosting the demo | 17 // accomplished by creating framework for each platfom and hosting the demo |
18 // class object. | 18 // class object. |
19 class Demo { | 19 class Demo { |
20 public: | 20 public: |
21 Demo(); | 21 Demo(); |
22 virtual ~Demo(); | 22 virtual ~Demo(); |
23 | 23 |
24 // Returns the title of demo. This title is used to name the window or | 24 // Returns the title of demo. This title is used to name the window or |
25 // html page where demo is running. | 25 // html page where demo is running. |
26 virtual const wchar_t* Title() const = 0; | 26 virtual const wchar_t* Title() const = 0; |
27 | 27 |
28 // Initializes the size of the window on which this demo object will render. | |
29 void InitWindowSize(int width, int height); | |
30 | |
31 // This function is called by the framework to initialize the OpenGL state | 28 // This function is called by the framework to initialize the OpenGL state |
32 // required by this demo. When this function is called, it is assumed that | 29 // required by this demo. When this function is called, it is assumed that |
33 // a rendering context has already been created and made current. | 30 // a rendering context has already been created and made current. |
34 virtual bool InitGL() = 0; | 31 virtual bool InitGL() = 0; |
35 | 32 |
36 // Returns whether the demo is animated. Animated demos are drawn | 33 // Returns whether the demo is animated. Animated demos are drawn |
37 // continuously. Unanimated demos are only drawn when the window is invalid. | 34 // continuously. Unanimated demos are only drawn when the window is invalid. |
38 virtual bool IsAnimated(); | 35 virtual bool IsAnimated(); |
39 | 36 |
| 37 // This function is called by the network to notify demo that window |
| 38 // surface has been resized. |
| 39 void Resize(int width, int height); |
| 40 |
40 // This function is called by the framework to perform OpenGL rendering. | 41 // This function is called by the framework to perform OpenGL rendering. |
41 // When this function is called, it is assumed that the rendering context | 42 // When this function is called, it is assumed that the rendering context |
42 // has been made current. | 43 // has been made current. |
43 void Draw(); | 44 void Draw(); |
44 | 45 |
45 protected: | 46 protected: |
46 // Returns the width of window. | 47 // Returns the width of window. |
47 int width() const { return width_; } | 48 int width() const { return width_; } |
48 // Returns the height of window. | 49 // Returns the height of window. |
49 int height() const { return height_; } | 50 int height() const { return height_; } |
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60 int width_; // Window width. | 61 int width_; // Window width. |
61 int height_; // Window height. | 62 int height_; // Window height. |
62 | 63 |
63 // Time at which draw was called last. | 64 // Time at which draw was called last. |
64 clock_t last_draw_time_; | 65 clock_t last_draw_time_; |
65 }; | 66 }; |
66 | 67 |
67 } // namespace demos | 68 } // namespace demos |
68 } // namespace gpu | 69 } // namespace gpu |
69 #endif // GPU_DEMOS_FRAMEWORK_DEMO_H_ | 70 #endif // GPU_DEMOS_FRAMEWORK_DEMO_H_ |
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