From b4d9c0048f036c3c6b7449ab2cd5b22e37a46a2d Mon Sep 17 00:00:00 2001 From: Wang Zhenyu Date: Mon, 11 Dec 2006 00:00:51 -0800 Subject: [PATCH] if (tex width < 4), mipmap calculation will be out of range --- src/mesa/drivers/dri/i965/brw_tex_layout.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/i965/brw_tex_layout.c b/src/mesa/drivers/dri/i965/brw_tex_layout.c index 1353325afff..bf7047f644e 100644 --- a/src/mesa/drivers/dri/i965/brw_tex_layout.c +++ b/src/mesa/drivers/dri/i965/brw_tex_layout.c @@ -138,7 +138,7 @@ GLboolean brw_miptree_layout( struct intel_mipmap_tree *mt ) /* Layout_below: step right after second mipmap. */ - if (level == mt->first_level + 1) { + if (level == mt->first_level + 1 && mt->pitch > 4) { x += mt->pitch / 2; x = (x + 3) & ~ 3; } -- 2.30.2