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/*
* Copyright © 2009 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Author:
* Zou Nan hai <nanhai.zou@intel.com>
* Yan Li <li.l.yan@intel.com>
* Liu Xi bin<xibin.liu@intel.com>
*/
/* GRF allocation:
g1~g30: constant buffer
g1~g2:intra IQ matrix
g3~g4:non intra IQ matrix
g5~g20:IDCT table
g31: thread payload
g58~g81:reference data
g82: thread payload backup
g83~g106:IDCT data
g32: message descriptor for reading reference data */
mov (8) g82.0<1>UD g31.0<8,8,1>UD {align1};
mov (2) g31.0<1>UD g82.12<2,2,1>UW {align1};
mov (1) g126.8<1>UD ip {align1};
mov (1) ip g21.0<1,1,1>UD {align1};
//Y of top field
first_field_picture:
asr (2) g31.14<1>W g82.20<2,2,1>W 1W {align1};
add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
mov (1) g32.28<1>UD 0UD {align1};
and.nz (1) null g82.2<1,1,1>UW 0x2000UW {align1}; //motion vertical field select forward
(f0) mov (1) g32.28<1>UD 1UD {align1};
shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
define(`surface',`7')
define(`mv1',`g82.20')
define(`mv2',`g82.22')
include(`field_motion_y.g4i')
//UV of top field
shr (2) g31.0<1>UD g31.0<2,2,1>UD 1UD {align1};
asr (2) g31.14<1>W g82.20<2,2,1>W 2W {align1};
add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
mov (1) g32.28<1>UD 0UD {align1};
and.nz (1) null g82.2<1,1,1>UW 0x2000UW {align1}; //motion vertical field select forward
(f0) mov (1) g32.28<1>UD 1UD {align1};
shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
define(`surface_u', `8')
define(`surface_v', `9')
define(`mv1',`g82.20')
define(`mv2',`g82.22')
include(`field_motion_uv.g4i')
jmpi field_addidct;
second_field_picture:
//Y of bottom field
asr (2) g31.14<1>W g82.20<2,2,1>W 1W {align1};
add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
define(`surface',`3')
define(`mv1',`g82.20')
define(`mv2',`g82.22')
include(`field_motion_y.g4i')
//UV of bottom field
shr (2) g31.0<1>UD g31.0<2,2,1>UD 1UD {align1};
asr (2) g31.14<1>W g82.20<2,2,1>W 2W {align1};
add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
define(`surface_u', `10')
define(`surface_v', `11')
define(`mv1',`g82.20')
define(`mv2',`g82.22')
include(`field_motion_uv.g4i')
field_addidct:
include(`field_addidct.g4i')
out:
send (16) 0 acc0<1>UW g0<8,8,1>UW
thread_spawner(0, 0, 0) mlen 1 rlen 0 { align1 EOT};
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