mesa: Refuse to EndQuery with a mismatched query target.

v2: Add a comment about what we're checking for.

Reviewed-by: Brian Paul <brianp@vmware.com> (v1)
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

src/mesa/main/queryobj.c

@@ -374,6 +374,16 @@ _mesa_EndQueryIndexed(GLenum target, GLuint index)
 
    /* XXX should probably refcount query objects */
    q = *bindpt;
+
+   /* Check for GL_ANY_SAMPLES_PASSED vs GL_SAMPLES_PASSED. */
+   if (q && q->Target != target) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+                  "glEndQuery(target=%s with active query of target %s)",
+                  _mesa_lookup_enum_by_nr(target),
+                  _mesa_lookup_enum_by_nr(q->Target));
+      return;
+   }
+
    *bindpt = NULL;
 
    if (!q || !q->Active) {