[Bug 5247] Star Wars Battlefront sky box drawn upside down

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=5247





------- Additional Comments From hverbeet at gmail.com  2006-19-09 04:43 -------
The code in EndScene() should work regardless of whether PBuffers are used or
not. It needs to read the data from the backbuffer into a surface, regardless of
whether that backbuffer is part of an onscreen or an offscreen context. Also see
my mail on wine-devel. I think it should even work when FBOs are used, although
in that case it would really be unecessary.

Afaik stefan is looking into the projection matrix stuff. The "trick" with
changing the projection matric when a shader is used, is that while the vertex
shader does replace that stuff, it can still access the GL state. The shader
then reads only the cells responsible for the y-flip and x/y-offset
translations. As I said, Stefan is looking into using proper uniforms / PARAMs
instead.


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