I saw some documentation about an auxiliary buffer, but it turns out that most gfx cards do not implement this buffer (the idea being to load that buffer with your image data, and on each frame copy it to your back buffer).
Jerry Stahl wrote:
Hi,
I am new at using GtkGLExt/OpenGL and was wondering if anyone knows if you can render OpenGL on top of a static background image, such as a .png, jpg, etc. I have an application where I need to create a gui containing a image background (a drawing) that will, at times, have graphical objects moving over the top of it. I was hoping that I could use OpenGL to do the object rendering over the image background. Any help or suggestions would be greatly appreciated.
J. Stahl
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