From: Alexander Orzechowski <orzechowski.alexander@gmail.com>
Date: Sun, 21 Nov 2021 06:55:03 +0000 (-0500)
Subject: ui: fix incorrect scaling on highdpi with gtk/opengl
X-Git-Tag: v6.2.0-rc2~9^2~7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4323118cadc5a316f73b5b0a60b5789ed9201369;p=thirdparty%2Fqemu.git

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>
---

diff --git a/ui/gtk-gl-area.c b/ui/gtk-gl-area.c
index 461da7712f4..01e4e74ee36 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) {