diff options
| author | Zhenyu Wang <[email protected]> | 2010-12-28 11:03:45 +0800 |
|---|---|---|
| committer | Zhenyu Wang <[email protected]> | 2010-12-28 11:11:40 +0800 |
| commit | 689aca782216d2666486dea02206cbc9c4162e0d (patch) | |
| tree | a9bbe4c3e52570aeb1bf6b578927cc9723005061 /src/mesa | |
| parent | 59fa8600d8efa803a4f86a41beaca78f7be41d7c (diff) | |
i965: Fix occlusion query on sandybridge
Clear target query buffer fixed occlusion query on sandybridge.
https://bugs.freedesktop.org/show_bug.cgi?id=32167
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | 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 f28f28663ea..656aad630a1 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; } |