hannesh's picture

What is the difference betwen using GL.FrameBuffer and GL.Ext.FrameBuffer?

This question also goes for similar Ext functions.

Are they interchangable?


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the Fiddler's picture

This is how OpenGL is designed: new functionality first appears in vendor-specific extensions (NV, Ati, etc), then gets promoted to cross-vendor extensions (Ext), comes into consideration for inclusion (Arb) and is finally included into the OpenGL core.

GL.Ext.*Framebuffer was what we used for FBOs before OpenGL 3.

logixoul's picture

So if I use GL.FrameBuffer, it won't work on machines that don't support OpenGL 3, even if they support the FBO extension. Is that correct?

the Fiddler's picture