From: Ian Romanick <idr@us.ibm.com>
Date: Mon, 13 Nov 2006 20:54:51 +0000 (+0000)
Subject: Fix "3D driver claims to not support visual ..." warnings.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e7ad10587ada74570a13c503aae274bc187910d3;p=mesa.git

Fix "3D driver claims to not support visual ..." warnings.

In 16-bit color modes the 3D driver was erroneously creating fbconfigs
with 16-bits of accumulation alpha.  Since the 2D driver always
generates modes with zero bits of alpha, the lists of fbconfigs did
not match and warnings were generated by libGL.
---

diff --git a/src/mesa/drivers/dri/tdfx/tdfx_screen.c b/src/mesa/drivers/dri/tdfx/tdfx_screen.c
index 0a4499cfae7..5e3d07f65bb 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_screen.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_screen.c
@@ -393,7 +393,7 @@ static __GLcontextModes *tdfxFillInModes(unsigned pixel_bits,
 			    m->accumRedBits	= accum ? 16 : 0;
 			    m->accumGreenBits	= accum ? 16 : 0;
 			    m->accumBlueBits	= accum ? 16 : 0;
-			    m->accumAlphaBits	= accum ? 16 : 0;
+			    m->accumAlphaBits	= (accum && deep) ? 16 : 0;
 			    m->stencilBits	= stencil ? 8 : 0;
 			    m->depthBits	= deep
 			    			  ? (depth ? 24 : 0)