From: Luca Barbieri <luca@luca-barbieri.com>
Date: Mon, 22 Feb 2010 13:13:17 +0000 (+0100)
Subject: nvfx: fix quads drawing
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e1580ce4c9ec1175296504c0ae9f26d9d8e0e635;p=mesa.git

nvfx: fix quads drawing

The primitive splitting code is totally broken and will be rewritten.

Fix the most important bug now though.
---

diff --git a/src/gallium/drivers/nouveau/nouveau_util.h b/src/gallium/drivers/nouveau/nouveau_util.h
index 7f16e31c3f0..ab7761a31da 100644
--- a/src/gallium/drivers/nouveau/nouveau_util.h
+++ b/src/gallium/drivers/nouveau/nouveau_util.h
@@ -33,7 +33,7 @@ nouveau_vbuf_split(unsigned remaining, unsigned overhead, unsigned vpp,
 		max = max - (max % 3);
 		break;
 	case PIPE_PRIM_QUADS:
-		max = max & 3;
+		max = max & ~3;
 		break;
 	case PIPE_PRIM_LINE_LOOP:
 	case PIPE_PRIM_LINE_STRIP: