Module: Mesa Branch: 7.10 Commit: 96685a662f5f3e980895fa8589fd486903852537 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=96685a662f5f3e980895fa8589fd486903852537
Author: Zhenyu Wang <zhen...@linux.intel.com> Date: Tue Dec 28 11:03:45 2010 +0800 i965: Fix occlusion query on sandybridge Clear target query buffer fixed occlusion query on sandybridge. https://bugs.freedesktop.org/show_bug.cgi?id=32167 (cherry picked from commit 689aca782216d2666486dea02206cbc9c4162e0d) --- src/mesa/drivers/dri/i965/brw_queryobj.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/src/mesa/drivers/dri/i965/brw_queryobj.c b/src/mesa/drivers/dri/i965/brw_queryobj.c index f28f286..656aad6 100644 --- a/src/mesa/drivers/dri/i965/brw_queryobj.c +++ b/src/mesa/drivers/dri/i965/brw_queryobj.c @@ -232,6 +232,12 @@ brw_prepare_query_begin(struct brw_context *brw) brw->query.bo = NULL; brw->query.bo = drm_intel_bo_alloc(intel->bufmgr, "query", 4096, 1); + + /* clear target buffer */ + drm_intel_bo_map(brw->query.bo, GL_TRUE); + memset((char *)brw->query.bo->virtual, 0, 4096); + drm_intel_bo_unmap(brw->query.bo); + brw->query.index = 0; } _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-commit
