[SDL] [PATCH] SDL 1.3 render target -- add'l fixes

Eric Vidal evidal at ateneo.edu
Tue May 17 04:36:44 PDT 2005

Please ignore the previous patch I posted and use this one instead. 
This version checks if float buffer render targets are actually 
supported on the machine before even trying.

This should prevent crashes on some systems, especially with drivers 
that actually know about float buffers (but the actual video card 
doesn't have it).

Also fixed a queer bug where requesting an alpha channel may not work 
sometimes -- the function was looking at the wrong element in 

Eric Vidal
Lecturer / Graduate Research Assistant, DISCS
Ateneo de Manila University
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