[Mesa-dev] [PATCH v2 20/23] i965: Enable vertex streams up to MAX_VERTEX_STREAMS.

Ian Romanick idr at freedesktop.org
Wed Jun 18 13:45:52 PDT 2014


On 06/18/2014 02:51 AM, Iago Toral Quiroga wrote:
> ---
>  src/mesa/drivers/dri/i965/brw_context.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
> index cfb0be0..6ba58d3 100644
> --- a/src/mesa/drivers/dri/i965/brw_context.c
> +++ b/src/mesa/drivers/dri/i965/brw_context.c
> @@ -507,6 +507,10 @@ brw_initialize_context_constants(struct brw_context *brw)
>        ctx->Const.ViewportBounds.Min = -(float)ctx->Const.MaxViewportWidth;
>        ctx->Const.ViewportBounds.Max = ctx->Const.MaxViewportWidth;
>     }
> +
> +   /* ARB_gpu_shader5 */
> +   if (brw->gen >= 7)
> +      ctx->Const.MaxVertexStreams = MAX_VERTEX_STREAMS;

I'd rather have this be MIN2(4, MAX_VERTEX_STREAMS).  That way
increasing MAX_VERTEX_STREAMS to support some new hardware won't break GEN7.

>  }
>  
>  /**
> 



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