[Mesa-dev] [PATCH] etnaviv: Add support for R8_UNORM textures

[Philipp Zabel]

On Fri, 2017-07-28 at 16:05 +0200, Wladimir J. van der Laan wrote:
> R8_UNORM textures can be emulated by means of L8 and a swizzle.
> 
> Signed-off-by: Wladimir J. van der Laan <laanwj at gmail.com>
> ---
>  src/gallium/drivers/etnaviv/etnaviv_format.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/gallium/drivers/etnaviv/etnaviv_format.c b/src/gallium/drivers/etnaviv/etnaviv_format.c
> index 69e07bc..a2e215b 100644
> --- a/src/gallium/drivers/etnaviv/etnaviv_format.c
> +++ b/src/gallium/drivers/etnaviv/etnaviv_format.c
> @@ -90,7 +90,7 @@ struct etna_format {
>  
>  static struct etna_format formats[PIPE_FORMAT_COUNT] = {
>     /* 8-bit */
> -   V_(R8_UNORM,   UNSIGNED_BYTE, NONE),
> +   VT(R8_UNORM,   UNSIGNED_BYTE, L8, SWIZ(X, 0, 0, 1), NONE),
>     V_(R8_SNORM,   BYTE,          NONE),
>     V_(R8_UINT,    UNSIGNED_BYTE, NONE),
>     V_(R8_SINT,    BYTE,          NONE),

Reviewed-by: Philipp Zabel <p.zabel at pengutronix.de>

regards
Philipp