From ba33fed6106609ed04612b46011e28fab69d2310 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jos=C3=A9=20Fonseca?= Date: Wed, 10 Feb 2010 11:25:26 +0000 Subject: [PATCH] llvmpipe: Fix null pointer dereference when no depth buffer is bound. --- src/gallium/drivers/llvmpipe/lp_rast_priv.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/gallium/drivers/llvmpipe/lp_rast_priv.h b/src/gallium/drivers/llvmpipe/lp_rast_priv.h index 4760d33..5c5497e 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast_priv.h +++ b/src/gallium/drivers/llvmpipe/lp_rast_priv.h @@ -139,6 +139,9 @@ lp_rast_depth_pointer( struct lp_rasterizer *rast, void * depth; assert((x % TILE_VECTOR_WIDTH) == 0); assert((y % TILE_VECTOR_HEIGHT) == 0); + if(!rast->zsbuf_map) + return NULL; + assert(rast->zsbuf_transfer); depth = rast->zsbuf_map + y*rast->zsbuf_transfer->stride + TILE_VECTOR_HEIGHT*x*util_format_get_blocksize(rast->zsbuf_transfer->texture->format); -- 2.7.4