diff options
| author | Xiang, Haihao <haihao.xiang@intel.com> | 2010-12-10 13:01:44 +0800 |
|---|---|---|
| committer | Xiang, Haihao <haihao.xiang@intel.com> | 2010-12-10 13:25:22 +0800 |
| commit | e47eacdc53aec6743c42c8d9ab8298f802161733 (patch) | |
| tree | 4262b8f4ad0f7b8a8ee56ef1abb7c3113b49edc3 /src/mesa/drivers/dri/i965/brw_vs.c | |
| parent | d1196bbc191c4f1b355d432dcb2eeff9790fda34 (diff) | |
i965: support for two-sided lighting on Sandybridge
VS places color attributes together so that SF unit can fetch the right
attribute according to object orientation. This fixes light issue in
mesa demo geartrain, projtex.
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vs.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs.c b/src/mesa/drivers/dri/i965/brw_vs.c index 59f270d675..6ae75d22c1 100644 --- a/src/mesa/drivers/dri/i965/brw_vs.c +++ b/src/mesa/drivers/dri/i965/brw_vs.c @@ -130,6 +130,7 @@ static void brw_upload_vs_prog(struct brw_context *brw) key.nr_userclip = brw_count_bits(ctx->Transform.ClipPlanesEnabled); key.copy_edgeflag = (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL); + key.two_side_color = (ctx->Light.Enabled && ctx->Light.Model.TwoSide); /* _NEW_POINT */ if (ctx->Point.PointSprite) { @@ -157,7 +158,7 @@ static void brw_upload_vs_prog(struct brw_context *brw) */ const struct brw_tracked_state brw_vs_prog = { .dirty = { - .mesa = _NEW_TRANSFORM | _NEW_POLYGON | _NEW_POINT, + .mesa = _NEW_TRANSFORM | _NEW_POLYGON | _NEW_POINT | _NEW_LIGHT, .brw = BRW_NEW_VERTEX_PROGRAM, .cache = 0 }, |