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Fixed polygon offset with reversed viewport depth range.

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This commit is contained in:
Felix Kuehling 2005-01-22 00:52:31 +00:00
parent 4ac53aed6c
commit f4cafc8d13
1 changed files with 3 additions and 0 deletions
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src/mesa/drivers/dri/savage/savage_xmesa.c
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@ -394,6 +394,9 @@ savageCreateContext( const __GLcontextModes *mesaVis,
ctx->Const.MaxLineWidthAA = 3.0;
ctx->Const.LineWidthGranularity = 1.0;
#endif
/* This is needed to get polygon offset right with reversed depth range
* (see savageCalcViewport). Not sure if it has any other side effects. */
ctx->MRD *= -1.0;
/* Dri stuff
*/