From dfbcb1849c2fd7b88425645839cb530ca6f3f8cc Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Mon, 18 Feb 2013 10:11:54 -0700 Subject: [PATCH] llvmpipe: fix handling of 0 x 0 framebuffer size Bump up the size to 1 x 1. This fixes a number of potential failure points in the code. See also http://bugs.freedesktop.org/show_bug.cgi?id=61012 --- src/gallium/drivers/llvmpipe/lp_texture.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c index 2e9c6bfe1ca..ce756c52897 100644 --- a/src/gallium/drivers/llvmpipe/lp_texture.c +++ b/src/gallium/drivers/llvmpipe/lp_texture.c @@ -240,8 +240,8 @@ llvmpipe_displaytarget_layout(struct llvmpipe_screen *screen, /* Round up the surface size to a multiple of the tile size to * avoid tile clipping. */ - const unsigned width = align(lpr->base.width0, TILE_SIZE); - const unsigned height = align(lpr->base.height0, TILE_SIZE); + const unsigned width = MAX2(1, align(lpr->base.width0, TILE_SIZE)); + const unsigned height = MAX2(1, align(lpr->base.height0, TILE_SIZE)); const unsigned width_t = width / TILE_SIZE; const unsigned height_t = height / TILE_SIZE; -- 2.30.2