I don't see gl.glEnableClientState(GL10.{GL_VERTEX_ARRAY,
GL_TEXTURE_COORD_ARRAY}) in your code.Also don't forget to call GLSurfaceView's onPause() and onResume() methods (in corresponding Activity methods). Dmitry On Aug 11, 11:42 am, alucard20004 <[email protected]> wrote: > I took the source from API demos (TriangleRenderer.java) > > Here's the code on how textures are loaded in onSurfaceCreated(): > > //////////////////////////////////////////////////////////////// > /* > * Create our texture. This has to be done each time the > * surface is created. > */ > > int[] textures = new int[1]; > gl.glGenTextures(1, textures, 0); > > mTextureID = textures[0]; > gl.glBindTexture(GL10.GL_TEXTURE_2D, mTextureID); > > gl.glTexParameterf(GL10.GL_TEXTURE_2D, > GL10.GL_TEXTURE_MIN_FILTER, > GL10.GL_NEAREST); > gl.glTexParameterf(GL10.GL_TEXTURE_2D, > GL10.GL_TEXTURE_MAG_FILTER, > GL10.GL_LINEAR); > > gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S, > GL10.GL_CLAMP_TO_EDGE); > gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T, > GL10.GL_CLAMP_TO_EDGE); > > gl.glTexEnvf(GL10.GL_TEXTURE_ENV, GL10.GL_TEXTURE_ENV_MODE, > GL10.GL_REPLACE); > > InputStream is = mContext.getResources() > .openRawResource(R.drawable.robot); > Bitmap bitmap; > try { > bitmap = BitmapFactory.decodeStream(is); > } finally { > try { > is.close(); > } catch(IOException e) { > // Ignore. > } > } > > GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, bitmap, 0); > bitmap.recycle(); > > //////////////////////////////////////////////////////////////// > > And here's how I mapped my texture: > > ///////////////////////////////////////////////////////////////// > public void onDrawFrame(GL10 gl) { > > //Init > gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT); > gl.glMatrixMode(GL10.GL_MODELVIEW); > gl.glLoadIdentity(); > > //Draw Cube > gl.glPushMatrix(); > gl.glTranslatef(0, 0, -2); > gl.glRotatef(azimuthZ, 0, 0, 1); //azimuthZ is > from the sensors > //texBuff and boxBuff are texture and box coordinates > gl.glTexCoordPointer(2, GL10.GL_FLOAT, 0, texBuff); > gl.glVertexPointer(3, GL10.GL_FLOAT, 0, boxBuff); > > //top > gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, 4); > //bottom > gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 4, 4); > // followed by left, right, front and back > sides... > gl.glPopMatrix(); > > ///////////////////////////////////////////////////////////////// > Problem: > 1. The box is rendering normally. > 2. I press 'Call' button, the Dialer app comes up. > 3. I press 'Back' button. My box app comes up. > 4. The texture became corrupted... > > - This does not happen if I press back while in the box app, and re- > launch the box app. > > - This also does not happen in the Textured Triangle in API demos. > > I've no idea what did I do wrong. -_- > > Thank you in advance. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
