[android-developers] problem with GL_CLAMP_TO_EDGE

[billconan]

hello guys,

I cannot guarantee my texture size be a power of two,   therefore, i'm
using GL_CLAMP_TO_EDGE,

but when i call glTexImage2D, or glutil.teximage2d, i always get the
Opengl Error Code 1281 Invalid Value.

this same setting seems to work on iphone.

does this mean that android only supports power of two texture maps?

if i hard code the bitmap size to be power of two, then my program
will work. otherwise the texture map is black.


see, this is how i set the texture map, it is exactly the same as the
official sample.

thanks




        Log.d("Ball Texture","textureID "+textureID+"; lengthx "+lengthx+";
lengthy "+lengthy);
                //lengthx=64;
                //lengthy=64;
                if(textureID==0)
                {
                        int[] textures = new int[1];
                        gl.glGenTextures(1,textures,0 );
                        textureID=textures[0];
                }

                gl.glBindTexture(GL10.GL_TEXTURE_2D, textureID);

                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_NEAREST);

        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);
        Log.d("opengl error 1", "error code "+gl.glGetError());

                Bitmap bitmap=Bitmap.createBitmap(lengthx, lengthy,
Bitmap.Config.RGB_565);
                Canvas mCanvas=new Canvas(bitmap);

                //mCanvas.drawColor(Color.BLUE);

                Path path=new Path();

                int pointnum=(int) (pointSet.length*0.5);

        //      Log.d("point cound:",pointnum+";");
                path.moveTo(pointSet[0], pointSet[1]);
                for(int i=1;i<pointnum;++i)
                {
                //      Log.d("point: ",pointSet[i*2]+";"+pointSet[i*2+1]);
                        path.lineTo(pointSet[i*2], pointSet[i*2+1]);

                }
                path.close();

        //      mC
                mCanvas.drawPath(path, ballPaint);
                //(lengthx*0.5f, lengthy*0.5f, 30.0f,ballPaint);

                ByteBuffer dst ;
                dst=ByteBuffer.allocate(bitmap.getHeight()*bitmap.getWidth()*4);

                bitmap.copyPixelsToBuffer(dst);

                gl.glTexImage2D(GL10.GL_TEXTURE_2D, 0, GL10.GL_RGB, lengthx,
lengthy, 0, GL10.GL_RGB, GL10.GL_UNSIGNED_BYTE,dst );

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