Reviewed-by: Tomeu Vizoso
On Sun, 10 Mar 2019 at 07:50, Alyssa Rosenzweig wrote:
>
> This combination has not yet been seen "in the wild" in traces, but to
> support linear depth FBOs, ~bruteforce reveals this bit pattern is
> necessary. It's not yet clear why the meanings of 0x1 and 0x2 are
> essentially flipped (tiled vs linear for colour, linear vs some sort of
> tiled for depth).
>
> Signed-off-by: Alyssa Rosenzweig
> ---
> src/gallium/drivers/panfrost/pan_context.c | 6 --
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/src/gallium/drivers/panfrost/pan_context.c
> b/src/gallium/drivers/panfrost/pan_context.c
> index 9db667d8287..099d6d0389b 100644
> --- a/src/gallium/drivers/panfrost/pan_context.c
> +++ b/src/gallium/drivers/panfrost/pan_context.c
> @@ -2289,17 +2289,19 @@ panfrost_create_sampler_view(
>
> enum mali_format format = panfrost_find_format(desc);
>
> +bool is_depth = desc->format == PIPE_FORMAT_Z32_UNORM;
> +
> unsigned usage2_layout = 0x10;
>
> switch (prsrc->bo->layout) {
> case PAN_AFBC:
> -usage2_layout |= 0xc;
> +usage2_layout |= 0x8 | 0x4;
> break;
> case PAN_TILED:
> usage2_layout |= 0x1;
> break;
> case PAN_LINEAR:
> -usage2_layout |= 0x2;
> +usage2_layout |= is_depth ? 0x1 : 0x2;
> break;
> default:
> assert(0);
> --
> 2.20.1
>
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