diff options
| -rw-r--r-- | src/gallium/drivers/svga/svga_state_rss.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/gallium/drivers/svga/svga_state_rss.c b/src/gallium/drivers/svga/svga_state_rss.c index 107cc403b4..b7195d246b 100644 --- a/src/gallium/drivers/svga/svga_state_rss.c +++ b/src/gallium/drivers/svga/svga_state_rss.c @@ -191,15 +191,24 @@ static int emit_rss( struct svga_context *svga, EMIT_RS( svga, svga->curr.stencil_ref.ref_value[0], STENCILREF, fail ); } - 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 ); |