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svga: Don't do culling while the software pipeline is active.

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It does it for us, and additionally introduces potentially
back-facing triangles.
This commit is contained in:
Keith Whitwell 2010-03-09 19:14:34 +01:00 • committed by Michal Krol
parent 842351dd76
commit 7941d31ee6
1 changed files with 11 additions and 2 deletions
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13
src/gallium/drivers/svga/svga_state_rss.c
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@ -192,15 +192,24 @@ static int emit_rss( struct svga_context *svga,
}
if (dirty & SVGA_NEW_RAST)
if (dirty & (SVGA_NEW_RAST | SVGA_NEW_NEED_PIPELINE))
{
const struct svga_rasterizer_state *curr = svga->curr.rast;
unsigned cullmode = curr->cullmode;
/* Shademode: still need to rearrange index list to move
* flat-shading PV first vertex.
*/
EMIT_RS( svga, curr->shademode, SHADEMODE, fail );
EMIT_RS( svga, curr->cullmode, CULLMODE, fail );
/* Don't do culling while the software pipeline is active. It
* does it for us, and additionally introduces potentially
* back-facing triangles.
*/
if (svga->state.sw.need_pipeline)
cullmode = SVGA3D_FACE_NONE;
EMIT_RS( svga, cullmode, CULLMODE, fail );
EMIT_RS( svga, curr->scissortestenable, SCISSORTESTENABLE, fail );
EMIT_RS( svga, curr->multisampleantialias, MULTISAMPLEANTIALIAS, fail );
EMIT_RS( svga, curr->lastpixel, LASTPIXEL, fail );