[Mesa-stable] [Mesa-dev] [PATCH] auxiliary/vl: use the correct screen index

[Marek Olšák]

I'm sure this doesn't build. "dri2_dpy" is not declared and "screen" is int.

Marek

On Fri, Jul 10, 2015 at 7:46 PM, Emil Velikov <emil.l.velikov at gmail.com> wrote:
> Inspired (copied) from Marek's commit for egl/x11
> commit 0b56e23e7f3(egl/dri2: use the correct screen index)
>
> Cc: 10.6 <mesa-stable at lists.freedesktop.org>
> Cc: Marek Olšák <marek.olsak at amd.com>
> Signed-off-by: Emil Velikov <emil.l.velikov at gmail.com>
> ---
>  src/gallium/auxiliary/vl/vl_winsys_dri.c | 18 +++++++++++++++---
>  1 file changed, 15 insertions(+), 3 deletions(-)
>
> diff --git a/src/gallium/auxiliary/vl/vl_winsys_dri.c b/src/gallium/auxiliary/vl/vl_winsys_dri.c
> index 7e61b88..ac2feec 100644
> --- a/src/gallium/auxiliary/vl/vl_winsys_dri.c
> +++ b/src/gallium/auxiliary/vl/vl_winsys_dri.c
> @@ -293,6 +293,16 @@ vl_screen_get_private(struct vl_screen *vscreen)
>     return vscreen;
>  }
>
> +static xcb_screen_t *
> +get_xcb_screen(xcb_screen_iterator_t iter, int screen)
> +{
> +    for (; iter.rem; --screen, xcb_screen_next(&iter))
> +        if (screen == 0)
> +            return iter.data;
> +
> +    return NULL;
> +}
> +
>  struct vl_screen*
>  vl_screen_create(Display *display, int screen)
>  {
> @@ -333,9 +343,11 @@ vl_screen_create(Display *display, int screen)
>     if (dri2_query == NULL || error != NULL || dri2_query->minor_version < 2)
>        goto free_query;
>
> -   s = xcb_setup_roots_iterator(xcb_get_setup(scrn->conn));
> -   while (screen--)
> -       xcb_screen_next(&s);
> +   s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
> +   screen = get_xcb_screen(s, dri2_dpy->screen);
> +   if (!screen)
> +      goto free_query;
> +
>     driverType = XCB_DRI2_DRIVER_TYPE_DRI;
>  #ifdef DRI2DriverPrimeShift
>     {
> --
> 2.4.5
>
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