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tests/gem_media_fill: the assembly code for the shader used in the case

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The code is for reference only

v2: Fixed the source register used for the send with EOT
    Fixed the posted destination operand for the send with EOT

v3: Fixed the cache agent used in media_block_write message on GEN8

Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
This commit is contained in:
Xiang, Haihao 2013-12-02 12:52:08 +08:00
parent c683569725
commit 5f40b23cfa
2 changed files with 49 additions and 0 deletions
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5
shaders/media/README Normal file
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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

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shaders/media/media_fill.gxa Normal file
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/*
* Registers
* g0 -- header
* g1 -- constant
* g2 -- inline data
* g3 -- reserved
* g4-g12 payload for write message
*/
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};
/*
* comment out the following instruction on Gen7
* write(0, 0, 10, 12)
* 10: media_block_write
* 12: data cache data port 1
*/
send(16) 4 acc0<1>UW null write(0, 0, 10, 12) mlen 9 rlen 0 {align1};
/*
* uncomment the following instruction on Gen7
* write(0, 0, 10, 0)
* 10: media_block_write
* 0: reander cache data port
*/
/* send(16) 4 acc0<1>UW null write(0, 0, 10, 0) mlen 9 rlen 0 {align1}; */
/* EOT */
mov(8) g112.0<1>UD g0.0<8,8,1>UD {align1};
send(16) 112 null<1>UW null thread_spawner(0, 0, 1) mlen 1 rlen 0 {align1 EOT};