I think Android wants texture to use upper-left as the origin. Have you checked
API demo?
--- On Sun, 12/28/08, Tom H <tomhi...@gmail.com> wrote:
From: Tom H <tomhi...@gmail.com>
Subject: [android-developers] OpenGL texture is upside down
To: "Android Developers" <android-developers@googlegroups.com>
Date: Sunday, December 28, 2008, 4:33 PM
Hello. I'm trying to map a texture on a surface, but it's showing up
inverted (upside down). It works correctly in Windows OpenGL. Here
are the relevant code pieces:
Bitmap b = BitmapFactory.decodeResource(getResources(),
R.drawable.myBitmap);
...
android.opengl.GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, b, 0);
I'm using texture coordinates with the origin in the lower left
corner, like I should.
The image resource is a PNG file which shows correctly in all image
viewers. Any ideas?
Thanks.
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