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;
}