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authorEric Anholt <[email protected]>2009-07-20 17:58:12 -0700
committerEric Anholt <[email protected]>2009-07-20 18:31:13 -0700
commit81d555068408d4343d7627c8bedda5675f09bd21 (patch)
tree0873186fe4e5863c8d7b3cba31250b23021acaaa
parent6617fa6fab2df5d3d8085affac019f90101bb7a8 (diff)
i965: Don't clip everything if FRONT_AND_BACK culling while culling disabled.
Fixes everything-black with meta_clear_tris on quake4-mpdemo and doom3-demo. Bug #18844, 22077.
-rw-r--r--src/mesa/drivers/dri/i965/brw_clip.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_clip.c b/src/mesa/drivers/dri/i965/brw_clip.c
index 54d30a3f422..20a927cf386 100644
--- a/src/mesa/drivers/dri/i965/brw_clip.c
+++ b/src/mesa/drivers/dri/i965/brw_clip.c
@@ -166,7 +166,8 @@ static void upload_clip_prog(struct brw_context *brw)
/* _NEW_POLYGON */
if (key.primitive == GL_TRIANGLES) {
- if (ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
+ if (ctx->Polygon.CullFlag &&
+ ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
key.clip_mode = BRW_CLIPMODE_REJECT_ALL;
else {
GLuint fill_front = CLIP_CULL;