Hello, I¹m rendering compositions into a pixel buffer context with floating point pixels on Leopard. glGetBooleanv (GL_COLOR_FLOAT_APPLE, ...) returns true, and the accuracy of the output images is OK, but on some hardware, blending modes Over and Add of Billboards and Sprites don¹t work. They just copy. Also, anti-aliasing doesn't work on some hardware with floating point pixels.
For example this problem occurs with a X1600 graphics card on an iMac with MacOS 10.5.1. Is there a way to estimate by software, when blending and anti aliasing are supported correctly with float pixels? Thanks, Eberhard Ammelt
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