From mboxrd@z Thu Jan  1 00:00:00 1970
From: ykzhao <yakui.zhao@intel.com>
Subject: Re: [Intel gfx][i-g-t PATCH 4/4] tests/gem_media_fill:
 the assembly code for the shader used in the case
Date: Fri, 29 Nov 2013 15:36:47 +0800
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On Thu, 2013-11-28 at 23:57 -0700, Xiang, Haihao wrote:
> From: "Xiang, Haihao" <haihao.xiang@intel.com>
> 
> The code is for reference only
> 
> Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
> ---
>  shaders/media/README         |    6 ++++++
>  shaders/media/media_fill.gxa |   30 ++++++++++++++++++++++++++++++
>  2 files changed, 36 insertions(+)
>  create mode 100644 shaders/media/README
>  create mode 100644 shaders/media/media_fill.gxa
> 
> diff --git a/shaders/media/README b/shaders/media/README
> new file mode 100644
> index 0000000..334106c
> --- /dev/null
> +++ b/shaders/media/README
> @@ -0,0 +1,6 @@
> +These files are here for reference only.
> +
> +Commands used to generate the shader on gen8
> +$> m4 media_fill.gxa > media_fill.gxm
> +$> intel-gen4asm -g 8 -o <output> media_fill.gxm
> +
> diff --git a/shaders/media/media_fill.gxa b/shaders/media/media_fill.gxa
> new file mode 100644
> index 0000000..d2931d4
> --- /dev/null
> +++ b/shaders/media/media_fill.gxa
> @@ -0,0 +1,30 @@
> +/*
> + * Registers
> + * g0 -- header
> + * g1 -- constant
> + * g2 -- inline data
> + * g3 -- reserved
> + * g4-g12 message payload
> + */
> +define(`ORIG',          `g2.0<2,2,1>UD')
> +define(`COLOR',         `g1.0')
> +define(`COLORUB',       `COLOR<0,1,0>UB')
> +define(`COLORUD',       `COLOR<0,1,0>UD')
> +
> +mov(4)  COLOR<1>UB      COLORUB         {align1};
> +
> +/* WRITE */
> +mov(8)  g4.0<1>UD       g0.0<8,8,1>UD   {align1};
> +mov(2)  g4.0<1>UD       ORIG            {align1};
> +mov(1)  g4.8<1>UD       0x000f000fUD    {align1};
> +
> +mov(16) g5.0<1>UD       COLORUD         {align1 compr};
> +mov(16) g7.0<1>UD       COLORUD         {align1 compr};
> +mov(16) g9.0<1>UD       COLORUD         {align1 compr};
> +mov(16) g11.0<1>UD      COLORUD         {align1 compr};
> +
> +send(16) 4 acc0<1>UW null write(0, 0, 10, 0) mlen 9 rlen 0 {align1};
> +
> +/* EOT */
> +mov(8)  g4.0<1>UD       g0.0<8,8,1>UD   {align1};
> +send(16) 4 acc0<1>UW null thread_spawner(0, 0, 1) mlen 1 rlen 0 {align1 EOT};

Based on the spec the send with EOT flag should use the register space
r112-r127 for <src>. So 4 had better be changed as 127.

Thanks.
    Yakui