[waffle] [PATCH] egl: Improve support for robust GLES contexts on EGL 1.5

[Bas Nieuwenhuizen]

Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

On Mon, May 2, 2016 at 10:16 PM, Chad Versace <chad.versace at intel.com> wrote:
> Allow the creation of robust GLES contexts when EGL 1.5 is available,
> even when EGL_EXT_create_context_robustness is not.
>
> Cc: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
> Cc: Emil Velikov <emil.l.velikov at gmail.com>
> Signed-off-by: Chad Versace <chad.versace at intel.com>
> ---
>  src/waffle/egl/wegl_context.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/src/waffle/egl/wegl_context.c b/src/waffle/egl/wegl_context.c
> index d88ce9e..0e59231 100644
> --- a/src/waffle/egl/wegl_context.c
> +++ b/src/waffle/egl/wegl_context.c
> @@ -142,8 +142,14 @@ create_real_context(struct wegl_config *config,
>              }
>
>              if (attrs->context_robust) {
> -                attrib_list[i++] = EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT;
> -                attrib_list[i++] = EGL_TRUE;
> +                // The EGL 1.5 token and the EXT token have different values.
> +                if (dpy->major_version > 1 || dpy->minor_version >= 5) {
> +                    attrib_list[i++] = EGL_CONTEXT_OPENGL_ROBUST_ACCESS;
> +                    attrib_list[i++] = EGL_TRUE;
> +                } else {
> +                    attrib_list[i++] = EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT;
> +                    attrib_list[i++] = EGL_TRUE;
> +                }
>              }
>              break;
>
> --
> 2.8.1
>