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gtk: fix wrong id between texture and framebuffer 

The gd_gl_area_scanout_texture must destroy framebuffer if there is
no texture id instead of no framebuffer id.
The effect was a black screen with "-vga virtio -display gtk,gl=on"
options.
The bug was introduce by a4f113fd "gtk: use framebuffer helper functions."

Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@blade-group.com>
Message-id: 20171002124052.13829-1-anthoine.bourgeois@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Anthoine Bourgeois 2017-10-02 14:40:52 +02:00 committed by Gerd Hoffmann
parent 82a4f1a96e
commit 2ff408de9c
1 changed files with 1 additions and 2 deletions
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3
ui/gtk-gl-area.c
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@ -178,8 +178,7 @@ void gd_gl_area_scanout_texture(DisplayChangeListener *dcl,
gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
if (vc->gfx.guest_fb.framebuffer == 0 ||
vc->gfx.w == 0 || vc->gfx.h == 0) {
if (backing_id == 0 || vc->gfx.w == 0 || vc->gfx.h == 0) {
gtk_gl_area_set_scanout_mode(vc, false);
return;
}