On Nov 8, 2004, at 7:00 PM, Gordon Erlebacher wrote:
Hi,
1-2 people have posted requests for floating point pbuffers (or
windows) using AGL (not CGL).
Yet, nobody ever answers. Is it possible? Has anybody done it? if so,
could a snippet of code
please be shared? There is a singular lack of documentation on this
subject. I have a powerbook
G4 with a Radeon 9600.
Yes, it is possible. Just pass the kCGLPFAColorSize, <64, 128> and/or
the kCGLPFAColorFloat pixel format attributes. Not passing the
kCGLPFAColorFloat attribute will give you the 64 BPP fixed point
format, passing the kCGLPFAColorFloat attribute will give you either
the 64 BPP half float format or the 128 BPP float format depending on
the kCGLPFAColorSize.
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