[Mesa-dev] [PATCH] i965: update MaxTextureRectSize to match PRMs and comply with OpenGL 4.1+

[Kenneth Graunke]

On Friday, June 16, 2017 2:04:03 AM PDT Iago Toral Quiroga wrote:
> We were exposing 4096, but we can do up to 8192 in Gen4-6 and up to
> 16384 in gen7+. OpenGL 4.1+ requires at least 16384.
> ---
>  src/mesa/drivers/dri/i965/brw_context.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
> index 2d91b37..157d855 100644
> --- a/src/mesa/drivers/dri/i965/brw_context.c
> +++ b/src/mesa/drivers/dri/i965/brw_context.c
> @@ -503,7 +503,7 @@ brw_initialize_context_constants(struct brw_context *brw)
>     ctx->Const.Max3DTextureLevels = 12; /* 2048 */
>     ctx->Const.MaxArrayTextureLayers = brw->gen >= 7 ? 2048 : 512;
>     ctx->Const.MaxTextureMbytes = 1536;
> -   ctx->Const.MaxTextureRectSize = 1 << 12;
> +   ctx->Const.MaxTextureRectSize = brw->gen >= 7 ? 16384 : 8192;
>     ctx->Const.MaxTextureMaxAnisotropy = 16.0;
>     ctx->Const.MaxTextureLodBias = 15.0;
>     ctx->Const.StripTextureBorder = true;
> 

Good catch - thanks for fixing this!

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
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