Module: Mesa Branch: 7.10 Commit: 1feecbdb00cc838be8c7de0396f8a82707b6f6e8 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=1feecbdb00cc838be8c7de0396f8a82707b6f6e8
Author: Zhenyu Wang <[email protected]> Date: Tue Jan 4 13:46:13 2011 +0800 i965: Fix provoking vertex select in clip state for sandybridge Triangle fan provoking vertex for first convention should be 'vertex 1' in sandybridge clip state. Partly fix glean/clipFlat case (cherry picked from commit 9977297ad9bc0e816810bd3a39d89e5c1cffff72) --- src/mesa/drivers/dri/i965/gen6_clip_state.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/src/mesa/drivers/dri/i965/gen6_clip_state.c b/src/mesa/drivers/dri/i965/gen6_clip_state.c index c7c4eb1..e25d1bf 100644 --- a/src/mesa/drivers/dri/i965/gen6_clip_state.c +++ b/src/mesa/drivers/dri/i965/gen6_clip_state.c @@ -43,7 +43,10 @@ upload_clip_state(struct brw_context *brw) depth_clamp = GEN6_CLIP_Z_TEST; if (ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION) { - provoking = 0; + provoking = + (0 << GEN6_CLIP_TRI_PROVOKE_SHIFT) | + (1 << GEN6_CLIP_TRIFAN_PROVOKE_SHIFT) | + (0 << GEN6_CLIP_LINE_PROVOKE_SHIFT); } else { provoking = (2 << GEN6_CLIP_TRI_PROVOKE_SHIFT) | _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
