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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
g115: 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};
/*field 0 of Y*/
asr (2) g31.14<1>W g82.16<2,2,1>W 1W {align1};
shl (1) g31.16<1>W g31.16<1,1,1>W 1W {align1};
add (2) g115.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
and (1) g115.4<1>UD g115.4<1,1,1>UD 0xFFFFFFFEUD {align1};
and.nz (1) null g82.2<1,1,1>UW 0x1000UW {align1}; //motion vertical field select
(f0) add (1) g115.4<1>UD g115.4<1,1,1>UD 1UD {align1};
define(`surface',`4')
define(`mv1',`g82.16')
define(`mv2',`g82.18')
include(`motion_field_y.g4i')
mov (8) g58.0<1>UD g32.0<8,8,1>UD {align1};
mov (8) g60.0<1>UD g33.0<8,8,1>UD {align1};
mov (8) g62.0<1>UD g34.0<8,8,1>UD {align1};
mov (8) g64.0<1>UD g35.0<8,8,1>UD {align1};
mov (8) g66.0<1>UD g36.0<8,8,1>UD {align1};
mov (8) g68.0<1>UD g37.0<8,8,1>UD {align1};
mov (8) g70.0<1>UD g38.0<8,8,1>UD {align1};
mov (8) g72.0<1>UD g39.0<8,8,1>UD {align1};
/*field 1 of Y*/
asr (2) g31.14<1>W g82.24<2,2,1>W 1W {align1};
shl (1) g31.16<1>W g31.16<1,1,1>W 1W {align1};
add (2) g115.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
and (1) g115.4<1>UD g115.4<1,1,1>UD 0xFFFFFFFEUD {align1};
and.nz (1) null g82.2<1,1,1>UW 0x4000UW {align1};
(f0) add (1) g115.4<1>UD g115.4<1,1,1>UD 1UD {align1};
define(`surface',`4')
define(`mv1',`g82.24')
define(`mv2',`g82.26')
include(`motion_field_y.g4i')
mov (8) g59.0<1>UD g32.0<8,8,1>UD {align1};
mov (8) g61.0<1>UD g33.0<8,8,1>UD {align1};
mov (8) g63.0<1>UD g34.0<8,8,1>UD {align1};
mov (8) g65.0<1>UD g35.0<8,8,1>UD {align1};
mov (8) g67.0<1>UD g36.0<8,8,1>UD {align1};
mov (8) g69.0<1>UD g37.0<8,8,1>UD {align1};
mov (8) g71.0<1>UD g38.0<8,8,1>UD {align1};
mov (8) g73.0<1>UD g39.0<8,8,1>UD {align1};
/*field 0 of UV*/
shr (2) g31.0<1>UD g31.0<2,2,1>UD 1UD {align1};
asr (2) g82.16<1>W g82.16<2,2,1>W 1W {align1};
asr (2) g31.14<1>W g82.16<2,2,1>W 1W {align1};
shl (1) g31.16<1>W g31.16<1,1,1>W 1W {align1};
add (2) g115.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
and (1) g115.4<1>UD g115.4<1,1,1>UD 0xFFFFFFFEUD {align1};
and.nz (1) null g82.2<1,1,1>UW 0x1000UW {align1};
(f0) add (1) g115.4<1>UD g115.4<1,1,1>UD 1UD {align1};
define(`surface_u', `5')
define(`surface_v', `6')
define(`mv1',`g82.16')
define(`mv2',`g82.18')
include(`motion_field_uv.g4i')
mov (8) g74.0<1>UW g32.0<8,8,1>UW {align1};
mov (8) g75.0<1>UW g33.0<8,8,1>UW {align1};
mov (8) g76.0<1>UW g34.0<8,8,1>UW {align1};
mov (8) g77.0<1>UW g35.0<8,8,1>UW {align1};
mov (8) g78.0<1>UW g36.0<8,8,1>UW {align1};
mov (8) g79.0<1>UW g37.0<8,8,1>UW {align1};
mov (8) g80.0<1>UW g38.0<8,8,1>UW {align1};
mov (8) g81.0<1>UW g39.0<8,8,1>UW {align1};
/*field 1 of UV*/
asr (2) g82.24<1>W g82.24<2,2,1>W 1W {align1};
asr (2) g31.14<1>W g82.24<2,2,1>W 1W {align1};
shl (1) g31.16<1>W g31.16<1,1,1>W 1W {align1};
add (2) g115.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
and (1) g115.4<1>UD g115.4<1,1,1>UD 0xFFFFFFFEUD {align1};
and.nz (1) null g82.2<1,1,1>UW 0x4000UW {align1};
(f0) add (1) g115.4<1>UD g115.4<1,1,1>UD 1UD {align1};
define(`surface_u', `5')
define(`surface_v', `6')
define(`mv1',`g82.24')
define(`mv2',`g82.26')
include(`motion_field_uv.g4i')
mov (8) g74.16<1>UW g32.0<8,8,1>UW {align1};
mov (8) g75.16<1>UW g33.0<8,8,1>UW {align1};
mov (8) g76.16<1>UW g34.0<8,8,1>UW {align1};
mov (8) g77.16<1>UW g35.0<8,8,1>UW {align1};
mov (8) g78.16<1>UW g36.0<8,8,1>UW {align1};
mov (8) g79.16<1>UW g37.0<8,8,1>UW {align1};
mov (8) g80.16<1>UW g38.0<8,8,1>UW {align1};
mov (8) g81.16<1>UW g39.0<8,8,1>UW {align1};
include(`addidct.g4i')
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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