From 1b445f96737cf5a1a28e81ff94a2e07b2cac3a96 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Mon, 20 Jul 2009 17:58:12 -0700 Subject: [PATCH] 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. (cherry picked from commit 81d555068408d4343d7627c8bedda5675f09bd21) --- src/mesa/drivers/dri/i965/brw_clip.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/i965/brw_clip.c b/src/mesa/drivers/dri/i965/brw_clip.c index 5cffceb..8fc9f89 100644 --- a/src/mesa/drivers/dri/i965/brw_clip.c +++ b/src/mesa/drivers/dri/i965/brw_clip.c @@ -152,7 +152,8 @@ 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; -- 2.7.4