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[4/4] ui/gtk-egl: guest fb texture needs to be regenerated when reinitializing egl

Message ID 20210917001320.6515-5-dongwon.kim@intel.com (mailing list archive)
State New, archived
Headers show
Series ui/gtk-egl: fix for untab/tab problem | expand

Commit Message

Dongwon Kim Sept. 17, 2021, 12:13 a.m. UTC
If guest fb is backed by dmabuf (blob-resource), the texture bound to the
old context needs to be recreated in case the egl is re-initialized (e.g.
new window for vc is created in case of detaching/reattaching of the tab)

v2: call egl_dmabuf_release_texutre instead of putting 0 to dmabuf->texture
    (Vivek Kasireddy)

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Dongwon Kim <dongwon.kim@intel.com>
 ui/gtk-egl.c | 4 ++++
 1 file changed, 4 insertions(+)
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diff --git a/ui/gtk-egl.c b/ui/gtk-egl.c
index 7c9629d6cc..8c55ed18fb 100644
--- a/ui/gtk-egl.c
+++ b/ui/gtk-egl.c
@@ -142,6 +142,10 @@  void gd_egl_refresh(DisplayChangeListener *dcl)
             surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds);
             surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds);
+        if (vc->gfx.guest_fb.dmabuf) {
+            egl_dmabuf_release_texture(vc->gfx.guest_fb.dmabuf);
+            gd_egl_scanout_dmabuf(dcl, vc->gfx.guest_fb.dmabuf);
+        }