Re: [PATCH v1] ui/gtk-egl: Check for a valid context before making EGL calls

["Marc-André Lureau" <marcandre.lureau@redhat.com>]

Hi Vivek

On Mon, Mar 7, 2022 at 8:39 AM Vivek Kasireddy
<vivek.kasireddy@intel.com> wrote:
>
> Since not all listeners (i.e VirtualConsoles) of GL events have
> a valid EGL context, make sure that there is a valid context
> before making EGL calls.
>
> This fixes the following crash seen while launching the VM with
> "-device virtio-gpu-pci,max_outputs=1,blob=true -display gtk,gl=on"
>
> No provider of eglCreateImageKHR found.  Requires one of:
> EGL_KHR_image
> EGL_KHR_image_base
>
> Fixes: 7cc712e9862ff ("ui: dispatch GL events to all listeners")

I am not able to reproduce on current master.

Isn't it fixed with commit a9fbce5e9 ("ui/console: fix crash when
using gl context with non-gl listeners") ?

Could you also check after "[PATCH v3 00/12] GL & D-Bus display related fixes" ?

thanks

>
> Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> Cc: Dongwon Kim <dongwon.kim@intel.com>
> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
> ---
>  ui/gtk-egl.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/ui/gtk-egl.c b/ui/gtk-egl.c
> index e3bd4bc274..31175827d0 100644
> --- a/ui/gtk-egl.c
> +++ b/ui/gtk-egl.c
> @@ -244,6 +244,10 @@ void gd_egl_scanout_dmabuf(DisplayChangeListener *dcl,
>  #ifdef CONFIG_GBM
>      VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
>
> +    if (!vc->gfx.ectx || !vc->gfx.esurface) {
> +        return;
> +    }
> +
>      eglMakeCurrent(qemu_egl_display, vc->gfx.esurface,
>                     vc->gfx.esurface, vc->gfx.ectx);
>
> @@ -269,6 +273,10 @@ void gd_egl_cursor_dmabuf(DisplayChangeListener *dcl,
>  #ifdef CONFIG_GBM
>      VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
>
> +    if (!vc->gfx.ectx || !vc->gfx.esurface) {
> +        return;
> +    }
> +
>      if (dmabuf) {
>          egl_dmabuf_import_texture(dmabuf);
>          if (!dmabuf->texture) {
> --
> 2.35.1
>