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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 (1) g115.8<1>UD 0x01FUD {align1};
send (16) 0 g40.0<1>UW g115<8,8,1>UW read(surface,2,0,2) mlen 1 rlen 1 {align1};
add (1) g115.4<1>UD g115.4<1,1,1>UD 2UD {align1};
send (16) 0 g42.0<1>UW g115<8,8,1>UW read(surface,2,0,2) mlen 1 rlen 1 {align1};
add (1) g115.4<1>UD g115.4<1,1,1>UD 2UD {align1};
send (16) 0 g44.0<1>UW g115<8,8,1>UW read(surface,2,0,2) mlen 1 rlen 1 {align1};
add (1) g115.4<1>UD g115.4<1,1,1>UD 2UD {align1};
send (16) 0 g46.0<1>UW g115<8,8,1>UW read(surface,2,0,2) mlen 1 rlen 1 {align1};
add (1) g115.4<1>UD g115.4<1,1,1>UD 2UD {align1};
mov (1) g115.8<1>UD 0x07001FUD {align1};
send (16) 0 g48.0<1>UW g115<8,8,1>UW read(surface,2,0,2) mlen 1 rlen 8 {align1};
add (1) g115.4<1>UD g115.4<1,1,1>UD 8UD {align1};
mov (1) g115.8<1>UD 0x1FUD {align1};
send (16) 0 g56.0<1>UW g115<8,8,1>UW read(surface,2,0,2) mlen 1 rlen 1 {align1};
avg.sat (16) g32.0<1>UW g40.0<16,16,1>UB g42.0<16,16,1>UB {align1};
avg.sat (16) g33.0<1>UW g42.0<16,16,1>UB g44.0<16,16,1>UB {align1};
avg.sat (16) g34.0<1>UW g44.0<16,16,1>UB g46.0<16,16,1>UB {align1};
avg.sat (16) g35.0<1>UW g46.0<16,16,1>UB g48.0<16,16,1>UB {align1};
avg.sat (16) g36.0<1>UW g48.0<16,16,1>UB g50.0<16,16,1>UB {align1};
avg.sat (16) g37.0<1>UW g50.0<16,16,1>UB g52.0<16,16,1>UB {align1};
avg.sat (16) g38.0<1>UW g52.0<16,16,1>UB g54.0<16,16,1>UB {align1};
avg.sat (16) g39.0<1>UW g54.0<16,16,1>UB g56.0<16,16,1>UB {align1};
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