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[PATCH v2 1/4] ui/gtk-egl: un-tab and re-tab should destroy egl surface


From: Dongwon Kim
Subject: [PATCH v2 1/4] ui/gtk-egl: un-tab and re-tab should destroy egl surface and context
Date: Tue, 2 Nov 2021 15:36:29 -0700

An old esurface should be destroyed and set to be NULL when doing
un-tab and re-tab so that a new esurface an context can be created
for the window widget that those will be bound to.

v2: enabling opengl specific routines only when CONFIG_OPENGL is set

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Dongwon Kim <dongwon.kim@intel.com>
Signed-off-by: Khairul Anuar Romli <khairul.anuar.romli@intel.com>
---
 ui/gtk.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/ui/gtk.c b/ui/gtk.c
index b0564d80c1..8da673c18c 100644
--- a/ui/gtk.c
+++ b/ui/gtk.c
@@ -1242,6 +1242,16 @@ static gboolean gd_tab_window_close(GtkWidget *widget, 
GdkEvent *event,
                                     vc->tab_item, vc->label);
     gtk_widget_destroy(vc->window);
     vc->window = NULL;
+#if defined(CONFIG_OPENGL)
+    if (vc->gfx.esurface) {
+        eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
+        vc->gfx.esurface = NULL;
+    }
+    if (vc->gfx.ectx) {
+        eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
+        vc->gfx.ectx = NULL;
+    }
+#endif
     return TRUE;
 }
 
@@ -1271,6 +1281,16 @@ static void gd_menu_untabify(GtkMenuItem *item, void 
*opaque)
     if (!vc->window) {
         gtk_widget_set_sensitive(vc->menu_item, false);
         vc->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+#if defined(CONFIG_OPENGL)
+        if (vc->gfx.esurface) {
+            eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
+            vc->gfx.esurface = NULL;
+        }
+        if (vc->gfx.esurface) {
+            eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
+            vc->gfx.ectx = NULL;
+        }
+#endif
         gd_widget_reparent(s->notebook, vc->window, vc->tab_item);
 
         g_signal_connect(vc->window, "delete-event",
-- 
2.30.2




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