[PATCH] vdpau: add prime support at connection setup

[Aaron Plattner]

Cc: vdpau at lists.freedesktop.org

On 13-07-24 08:29 PM, Dave Airlie wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> This just ports the code from the mesa glx setup into vdpau,
> this just picks the correct driver to load on the client side,
>
> at least for gallium/vl code we need another similiar change
> inside the driver code to pick the correct drm device.
>
> Signed-off-by: Dave Airlie <airlied at redhat.com>
> ---
>   src/mesa_dri2.c | 14 ++++++++++++++
>   1 file changed, 14 insertions(+)
>
> diff --git a/src/mesa_dri2.c b/src/mesa_dri2.c
> index 3bc75ef..5f7146a 100644
> --- a/src/mesa_dri2.c
> +++ b/src/mesa_dri2.c
> @@ -128,6 +128,20 @@ _vdp_DRI2Connect(Display * dpy, XID window, char **driverName, char **deviceName
>      req->dri2ReqType = X_DRI2Connect;
>      req->window = window;
>      req->driverType = DRI2DriverVDPAU;
> +#ifdef DRI2DriverPrimeShift
> +   {
> +      char *prime = getenv("DRI_PRIME");
> +      if (prime) {
> +         unsigned int primeid;
> +         errno = 0;
> +         primeid = strtoul(prime, NULL, 0);
> +         if (errno == 0)
> +            req->driverType |=
> +               ((primeid & DRI2DriverPrimeMask) << DRI2DriverPrimeShift);
> +      }
> +   }
> +#endif
> +
>      if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
>         UnlockDisplay(dpy);
>         SyncHandle();
>