There's a similar test below, but it's not the same: that one checks whether
this query object is already active (potentially on another target).
---
src/mesa/main/queryobj.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/src/mesa/main/queryobj.c b/src/mesa/main/queryobj.c
index 18792cf..ac03649 100644
--- a/src/mesa/main/queryobj.c
+++ b/src/mesa/main/queryobj.c
@@ -301,6 +301,19 @@ _mesa_BeginQueryIndexed(GLenum target, GLuint index,
GLuint id)
return;
}
+ /* From the GL_ARB_occlusion_query spec:
+ *
+ * "If BeginQueryARB is called while another query is already in
+ * progress with the same target, an INVALID_OPERATION error is
+ * generated."
+ */
+ if (*bindpt) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBeginQuery{Indexed}(target=%s is active)",
+ _mesa_lookup_enum_by_nr(target));
+ return;
+ }
+
if (id == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glBeginQuery{Indexed}(id==0)");
return;
--
1.7.10.4
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