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authorAlexander Orzechowski <orzechowski.alexander@gmail.com>2021-11-21 01:55:03 -0500
committerGerd Hoffmann <kraxel@redhat.com>2021-11-22 11:13:12 +0100
commit4323118cadc5a316f73b5b0a60b5789ed9201369 (patch)
tree10ffefafd3098007265a29cd1cf158a8a7f67a22
parentc5fbdd60cf1fb52f01bdfe342b6fa65d5343e1b1 (diff)
downloadfocaccia-qemu-4323118cadc5a316f73b5b0a60b5789ed9201369.tar.gz
focaccia-qemu-4323118cadc5a316f73b5b0a60b5789ed9201369.zip
ui: fix incorrect scaling on highdpi with gtk/opengl
Signed-off-by: Alexander Orzechowski <orzechowski.alexander@gmail.com>
Message-Id: <20211121065504.29101-2-orzechowski.alexander@gmail.com>

[ kraxel: codestyle fix ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
-rw-r--r--ui/gtk-gl-area.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/ui/gtk-gl-area.c b/ui/gtk-gl-area.c
index 461da7712f..01e4e74ee3 100644
--- a/ui/gtk-gl-area.c
+++ b/ui/gtk-gl-area.c
@@ -41,15 +41,16 @@ void gd_gl_area_draw(VirtualConsole *vc)
 #ifdef CONFIG_GBM
     QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
 #endif
-    int ww, wh, y1, y2;
+    int ww, wh, ws, y1, y2;
 
     if (!vc->gfx.gls) {
         return;
     }
 
     gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
-    ww = gtk_widget_get_allocated_width(vc->gfx.drawing_area);
-    wh = gtk_widget_get_allocated_height(vc->gfx.drawing_area);
+    ws = gdk_window_get_scale_factor(gtk_widget_get_window(vc->gfx.drawing_area));
+    ww = gtk_widget_get_allocated_width(vc->gfx.drawing_area) * ws;
+    wh = gtk_widget_get_allocated_height(vc->gfx.drawing_area) * ws;
 
     if (vc->gfx.scanout_mode) {
         if (!vc->gfx.guest_fb.framebuffer) {