Andrej Kovalksy
Reputation: 225
OpenGL ES texture partially removing
Is there any way to remove a part of texture by using opengles for ios? for example i have a rectangle and want to destroy part of it
Upvotes: 0
Views: 142
Answers (1)
Viktor Latypov
Reputation: 14467
I believe you need this: How to manipulate texture content on the fly?
Either create an empty texture and render a small quad using this empty texture on top of the FBO for your texture or use the glTexSubImage2D, which is easier for this simple purpose.
Upvotes: 2
Related Questions
- Mixing Multiple Textures in OpenGL ES Shader on iOS Results in Inverse Behavior
- OpenGL ES Texture Not Rendering
- OpenGL ES textures are all black
- opengl on iOS: texture only showed correctly on right upper quarter of the view
- OpenGL 2D Game Texture Artifacts
- iOS OpenGL ES - Different texture behaviour on simulator and device
- Render to texture still rendering to screen in OpenGLES
- Rendering to texture on iOS OpenGL ES—works on simulator, but not on device
- OpenGL ES texture combines instead of replaces (works on device, not on Simulator)
- OpenGLES texture disappears