[Stable-7.2.7 54/62] ui/gtk-egl: apply scale factor when calculating window's dimension

[Michael Tokarev]

From: Dongwon Kim <dongwon.kim@intel.com>

Scale factor needs to be applied when calculating width/height of the
GTK windows.

Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Dongwon Kim <dongwon.kim@intel.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20231012222643.13996-1-dongwon.kim@intel.com>
(cherry picked from commit 47fd6ab1e334962890bc3e8d2e32857f6594e1c1)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

diff --git a/ui/gtk-egl.c b/ui/gtk-egl.c
index e99e3b0d8c..52c6246a33 100644
--- a/ui/gtk-egl.c
+++ b/ui/gtk-egl.c
@@ -66,15 +66,16 @@ void gd_egl_draw(VirtualConsole *vc)
 #ifdef CONFIG_GBM
     QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
 #endif
-    int ww, wh;
+    int ww, wh, ws;
 
     if (!vc->gfx.gls) {
         return;
     }
 
     window = gtk_widget_get_window(vc->gfx.drawing_area);
-    ww = gdk_window_get_width(window);
-    wh = gdk_window_get_height(window);
+    ws = gdk_window_get_scale_factor(window);
+    ww = gdk_window_get_width(window) * ws;
+    wh = gdk_window_get_height(window) * ws;
 
     if (vc->gfx.scanout_mode) {
 #ifdef CONFIG_GBM
@@ -300,7 +301,7 @@ void gd_egl_scanout_flush(DisplayChangeListener *dcl,
 {
     VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
     GdkWindow *window;
-    int ww, wh;
+    int ww, wh, ws;
 
     if (!vc->gfx.scanout_mode) {
         return;
@@ -313,8 +314,9 @@ void gd_egl_scanout_flush(DisplayChangeListener *dcl,
                    vc->gfx.esurface, vc->gfx.ectx);
 
     window = gtk_widget_get_window(vc->gfx.drawing_area);
-    ww = gdk_window_get_width(window);
-    wh = gdk_window_get_height(window);
+    ws = gdk_window_get_scale_factor(window);
+    ww = gdk_window_get_width(window) * ws;
+    wh = gdk_window_get_height(window) * ws;
     egl_fb_setup_default(&vc->gfx.win_fb, ww, wh);
     if (vc->gfx.cursor_fb.texture) {
         egl_texture_blit(vc->gfx.gls, &vc->gfx.win_fb, &vc->gfx.guest_fb,
-- 
2.39.2