[Mesa-dev] [PATCH] spirv: mark variables decorated with XfbBuffer as always active

[Jason Ekstrand]

Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

On Fri, Oct 5, 2018 at 7:39 AM Samuel Pitoiset <samuel.pitoiset at gmail.com>
wrote:

> Otherwise, they are removed during NIR linking or in some
> lowering passes.
>
> Cc: Jason Ekstrand <jason.ekstrand at intel.com>
> Cc: Timothy Arceri <tarceri at itsqueeze.com>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/compiler/spirv/vtn_variables.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/src/compiler/spirv/vtn_variables.c
> b/src/compiler/spirv/vtn_variables.c
> index 358ff4bef7a..636fdb8689a 100644
> --- a/src/compiler/spirv/vtn_variables.c
> +++ b/src/compiler/spirv/vtn_variables.c
> @@ -1326,6 +1326,7 @@ apply_var_decoration(struct vtn_builder *b,
>     case SpvDecorationXfbBuffer:
>        var_data->explicit_xfb_buffer = true;
>        var_data->xfb_buffer = dec->literals[0];
> +      var_data->always_active_io = true;
>        break;
>     case SpvDecorationXfbStride:
>        var_data->explicit_xfb_stride = true;
> --
> 2.19.0
>
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