corentin-soriano commented on code in PR #594:
URL: https://github.com/apache/guacamole-server/pull/594#discussion_r2115438951
##########
src/protocols/rdp/gdi.c:
##########
@@ -159,7 +159,17 @@ BOOL guac_rdp_gdi_desktop_resize(rdpContext* context) {
int width = guac_rdp_get_width(context->instance);
int height = guac_rdp_get_height(context->instance);
- GUAC_ASSERT(rdp_client->current_context == NULL);
+ int major;
+ int minor;
+ int revision;
+ freerdp_get_version(&major, &minor, &revision);
+
+ /* For FreeRDP versions prior to 3.8.0, EndPaint will not be called in
+ * `gdi_resize()`, so the current context should be NULL. If it is not
+ * NULL, it means that the current context is still open, and therefore the
+ * GDI buffer has not been flushed yet. */
+ if (major < 3 || (major == 3 && minor < 8))
+ GUAC_ASSERT(rdp_client->current_context == NULL);
Review Comment:
Done!
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