draw list

OpenGL OpenGL: Basic Coding
1

hello
i need a draw list in mt program to keep the rendering after each action on the screen, but i am not sure how to use it,plz any help will be good

2

You mean display list?
some links:
http://www.lighthouse3d.com/opengl/displaylists/
http://www.songho.ca/opengl/gl_displaylist.html
http://www.swiftless.com/tutorials/opengl/displaylists.html

3

thank u :slight_smile:

4

i want t create a menu with each entry display a shape
but i need the previously displayed ones to be still on the screen will the display list be helpful?
and how where i call it

5

Each frame, re-render everything that must appear.

If really (ie for performance reasons) you have to do incremental rendering, you will have to copy the mpixels to a texture and draw that as impostor for example.