On Mon, Mar 2, 2026 at 4:04 PM Dmitry Osipenko
<[email protected]> wrote:
>
> Get currently bound GL context when creating new GL context and restore
> it after the creation for consistency with behavior expected by virglrenderer
> that assumes context-creation doesn't switch context.
>
> Signed-off-by: Dmitry Osipenko <[email protected]>

Reviewed-by: Marc-André Lureau <[email protected]>

> ---
>  ui/gtk-gl-area.c | 12 +++++++++---
>  1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/ui/gtk-gl-area.c b/ui/gtk-gl-area.c
> index c709b2ce0f63..ce49000d3f17 100644
> --- a/ui/gtk-gl-area.c
> +++ b/ui/gtk-gl-area.c
> @@ -250,11 +250,13 @@ QEMUGLContext gd_gl_area_create_context(DisplayGLCtx 
> *dgc,
>                                          QEMUGLParams *params)
>  {
>      VirtualConsole *vc = container_of(dgc, VirtualConsole, gfx.dgc);
> +    GdkGLContext *ctx, *current_ctx;
>      GdkWindow *window;
> -    GdkGLContext *ctx;
>      GError *err = NULL;
>      int major, minor;
>
> +    current_ctx = gdk_gl_context_get_current();
> +
>      window = gtk_widget_get_window(vc->gfx.drawing_area);
>      ctx = gdk_window_create_gl_context(window, &err);
>      if (err) {
> @@ -275,8 +277,12 @@ QEMUGLContext gd_gl_area_create_context(DisplayGLCtx 
> *dgc,
>
>      gdk_gl_context_make_current(ctx);
>      gdk_gl_context_get_version(ctx, &major, &minor);
> -    gdk_gl_context_clear_current();
> -    gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
> +
> +    if (current_ctx) {
> +        gdk_gl_context_make_current(current_ctx);
> +    } else {
> +        gdk_gl_context_clear_current();
> +    }
>
>      if (gd_cmp_gl_context_version(major, minor, params) == -1) {
>          /* created ctx version < requested version */
> --
> 2.52.0
>
>


-- 
Marc-André Lureau

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