Mobile Developer: opengl es problem (solved soon) seeking help

Wednesday, February 12, 2014

opengl es problem (solved soon) seeking help

posts by hbm717 on 2013-08-11 10:15:37 Edit

I use eclipse opengl es2.0 real machine running, but just open withdrew

Breaking open in the debugger automatically GLSurfaceView $ GLThread.run, can not show GLSurfaceView.class code

Seek expert help ............

The main problem :: 0: buffer_sunxi_init:.. Generic buffer formats must be registered first Re-order your gralloc constructors

Source:

Main activity

 public class MainActivity extends Activity 
{
GameView mGame; 
protected void onCreate (Bundle savedInstanceState) 
{
super.onCreate (savedInstanceState); 
mGame = new GameView (getApplication ()); 
setContentView (mGame); 
} 

protected void onPause () 
{
super.onPause (); 
mGame.onPause (); 
} 

protected void onResume () 
{
super.onResume (); 
mGame.onResume (); 
} 
}

GLSurfaceView inherited class

 public class GameView extends GLSurfaceView 
{
Renderer mRenderer; 
public GameView (Context context) 
{
super (context); 
setEGLConfigChooser (8,8,8,8,16,0); 
setEGLContextClientVersion (2); 
mRenderer = new Renderer (); 
setRenderer (mRenderer); 
} 

private static class Renderer implements GLSurfaceView.Renderer 
{
private float red = 0f; 
private float green = 0f; 
private float blue = 0f; 

private ShortBuffer indexBuffer; 
private FloatBuffer vertexBuffer; 
private short [] indicesArray = {0, 1, 2}; 
private int numberOfVertices = 3; 

private float angle; 

private void initTriangle () {
ByteBuffer vbb = ByteBuffer.allocateDirect (numberOfVertices * 3 * 4); 
vbb.order (ByteOrder.nativeOrder ()); 
vertexBuffer = vbb.asFloatBuffer (); 

ByteBuffer ibb = ByteBuffer.allocateDirect (numberOfVertices * 2); 
ibb.order (ByteOrder.nativeOrder ()); 
indexBuffer = ibb.asShortBuffer (); 

float [] coords = {-0.5f,-0.5f, 0f, 0.5f,-0.5f, 0f, 0f, 0.5f, 0f}; 

vertexBuffer.put (coords); 
indexBuffer.put (indicesArray); 

vertexBuffer.position (0); 
indexBuffer.position (0); 
} 

public void onSurfaceCreated (GL10 gl, EGLConfig config) {
gl.glEnableClientState (GL10.GL_VERTEX_ARRAY); 
initTriangle (); 
} 

public void onSurfaceChanged (GL10 gl, int width, int height) {
gl.glViewport (0, 0, width, height); 
} 

public void onDrawFrame (GL10 gl) {
gl.glClearColor (red, green, blue, 1.0f); 
gl.glClear (GL10.GL_COLOR_BUFFER_BIT); 
gl.glRotatef (angle, 0f, 1f, 0f); 
gl.glColor4f (0.5f, 0f, 0f, 0.5f); 
gl.glVertexPointer (3, GL10.GL_FLOAT, 0, vertexBuffer); 
gl.glDrawElements (GL10.GL_TRIANGLES, numberOfVertices, GL10.GL_UNSIGNED_SHORT, indexBuffer); 
} 
} 
}

The following error message
08-10 13:34:43.683: D / OpenGLRenderer (28904): Enabling debug mode 0
08-10 13:34:43.693: W / dalvikvm (28904): threadid = 11: thread exiting with uncaught exception (group = 0x41781300)
08-10 13:34:43.703: E / AndroidRuntime (28904): FATAL EXCEPTION: GLThread 1278
08-10 13:34:43.703: E / AndroidRuntime (28904): java.lang.RuntimeException: createContext failed: EGL_BAD_CONFIG
08-10 13:34:43.703: E / AndroidRuntime (28904): at android.opengl.GLSurfaceView $ EglHelper.throwEglException (GLSurfaceView.java: 1193)
08-10 13:34:43.703: E / AndroidRuntime (28904): at android.opengl.GLSurfaceView $ EglHelper.throwEglException (GLSurfaceView.java: 1184)
08-10 13:34:43.703: E / AndroidRuntime (28904): at android.opengl.GLSurfaceView $ EglHelper.start (GLSurfaceView.java: 1034)
08-10 13:34:43.703: E / AndroidRuntime (28904): at android.opengl.GLSurfaceView $ GLThread.guardedRun (GLSurfaceView.java: 1401)
08-10 13:34:43.703: E / AndroidRuntime (28904): at android.opengl.GLSurfaceView $ GLThread.run (GLSurfaceView.java: 1240)
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