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TutorialView.java
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1 /* Copyright (c) 2014-2017, ARM Limited and Contributors
2  *
3  * SPDX-License-Identifier: MIT
4  *
5  * Permission is hereby granted, free of charge,
6  * to any person obtaining a copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation the rights to
8  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
9  * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
12  *
13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
14  * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
16  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
17  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
19  */
20 
21 package com.arm.malideveloper.openglessdk.skybox;
22 
23 import android.content.Context;
24 import android.opengl.GLSurfaceView;
25 import javax.microedition.khronos.egl.EGL10;
26 import javax.microedition.khronos.egl.EGLConfig;
27 import javax.microedition.khronos.egl.EGLContext;
28 import javax.microedition.khronos.egl.EGLDisplay;
29 import javax.microedition.khronos.opengles.GL10;
30 
31 class TutorialView extends GLSurfaceView
32 {
33  protected int redSize = 5;
34  protected int greenSize = 6;
35  protected int blueSize = 5 ;
36  protected int alphaSize = 0;
37  protected int depthSize = 16;
38  protected int sampleSize = 4;
39  protected int stencilSize = 0;
40  protected int[] value = new int [1];
41 
42  public TutorialView(Context context)
43  {
44  super(context);
45  setEGLContextFactory(new ContextFactory());
46  setEGLConfigChooser(new ConfigChooser());
47  setRenderer(new Renderer());
48  }
49 
50  private static class ContextFactory implements GLSurfaceView.EGLContextFactory
51  {
52  public EGLContext createContext(EGL10 egl, EGLDisplay display, EGLConfig eglConfig)
53  {
54  final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;
55  int[] attrib_list = { EGL_CONTEXT_CLIENT_VERSION, 3, EGL10.EGL_NONE };
56 
57  EGLContext context = egl.eglCreateContext(display, eglConfig, EGL10.EGL_NO_CONTEXT, attrib_list);
58 
59  return context;
60  }
61 
62  public void destroyContext(EGL10 egl, EGLDisplay display, EGLContext context)
63  {
64  egl.eglDestroyContext(display, context);
65  }
66  }
67 
68  protected class ConfigChooser implements GLSurfaceView.EGLConfigChooser
69  {
70  public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display)
71  {
72  final int EGL_OPENGL_ES2_BIT = 4;
73  int[] configAttributes =
74  {
75  EGL10.EGL_RED_SIZE, redSize,
76  EGL10.EGL_GREEN_SIZE, greenSize,
77  EGL10.EGL_BLUE_SIZE, blueSize,
78  EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
79  EGL10.EGL_SAMPLES, sampleSize,
80  EGL10.EGL_DEPTH_SIZE, depthSize,
81  EGL10.EGL_STENCIL_SIZE, stencilSize,
82  EGL10.EGL_NONE
83  };
84 
85  int[] num_config = new int[1];
86  egl.eglChooseConfig(display, configAttributes, null, 0, num_config);
87 
88  int numConfigs = num_config[0];
89  EGLConfig[] configs = new EGLConfig[numConfigs];
90 
91  egl.eglChooseConfig(display, configAttributes, configs, numConfigs, num_config);
92 
93  return configs[0];
94  }
95  }
96  private static class Renderer implements GLSurfaceView.Renderer
97  {
98  public void onDrawFrame(GL10 gl)
99  {
100  NativeLibrary.step();
101  }
102 
103  public void onSurfaceChanged(GL10 gl, int width, int height)
104  {
105  NativeLibrary.init(width, height);
106  }
107 
108  public void onSurfaceCreated(GL10 gl, EGLConfig config)
109  {
110 
111  }
112  }
113 }
EGLContext createContext(EGL10 egl, EGLDisplay display, EGLConfig eglConfig)
GLint GLsizei GLsizei height
Definition: gl2ext.h:179
GLint value
Definition: gl2ext.h:558
EGLint configAttributes[]
Definition: ThreadSync.h:160
void destroyContext(EGL10 egl, EGLDisplay display, EGLContext context)
GLint GLsizei width
Definition: gl2ext.h:179