+static void r700SendQueryBegin(GLcontext *ctx, struct radeon_state_atom *atom)
+{
+ radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+ struct radeon_query_object *query = radeon->query.current;
+ BATCH_LOCALS(radeon);
+ radeon_print(RADEON_STATE, RADEON_VERBOSE, "%s\n", __func__);
+
+ /* clear the buffer */
+ radeon_bo_map(query->bo, GL_FALSE);
+ memset(query->bo->ptr, 0, 4 * 2 * sizeof(uint64_t)); /* 4 DBs, 2 qwords each */
+ radeon_bo_unmap(query->bo);
+
+ radeon_cs_space_check_with_bo(radeon->cmdbuf.cs,
+ query->bo,
+ 0, RADEON_GEM_DOMAIN_GTT);
+
+ BEGIN_BATCH_NO_AUTOSTATE(4 + 2);
+ R600_OUT_BATCH(CP_PACKET3(R600_IT_EVENT_WRITE, 2));
+ R600_OUT_BATCH(ZPASS_DONE);
+ R600_OUT_BATCH(query->curr_offset); /* hw writes qwords */
+ R600_OUT_BATCH(0x00000000);
+ R600_OUT_BATCH_RELOC(VGT_EVENT_INITIATOR, query->bo, 0, 0, RADEON_GEM_DOMAIN_GTT, 0);
+ END_BATCH();
+ query->emitted_begin = GL_TRUE;
+}
+