1/*
2 * Copyright © 2009 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Author:
24 *    Zou Nan hai <nanhai.zou@intel.com>
25 *    Yan Li <li.l.yan@intel.com>
26 *    Liu Xi bin<xibin.liu@intel.com>
27 */
28/* GRF allocation:
29   g1~g30: constant buffer
30           g1~g2:intra IQ matrix
31           g3~g4:non intra IQ matrix
32           g5~g20:IDCT table
33   g31:    thread payload 
34   g32:    message descriptor for reading reference data
35   g58~g81:reference data
36   g82:    thread payload backup
37   g83~g106:IDCT data                           */
38mov (1) g32.8<1>UD 0x007000fUD  {align1};
39send (16) 0 g36.0<1>UW g32<8,8,1>UW read(input_surface1, 2, 0, 2) mlen 1 rlen 4 {align1};
40send (16) 0 g40.0<1>UW g32<8,8,1>UW read(input_surface2, 2, 0, 2) mlen 1 rlen 4 {align1};
41
42mov (16) g74.0<1>UW g36.0<16,8,1>UB {align1};
43mov (16) g75.0<1>UW g37.0<16,8,1>UB {align1};
44mov (16) g76.0<1>UW g38.0<16,8,1>UB {align1};
45mov (16) g77.0<1>UW g39.0<16,8,1>UB {align1};
46mov (16) g78.0<1>UW g40.0<16,8,1>UB {align1};
47mov (16) g79.0<1>UW g41.0<16,8,1>UB {align1};
48mov (16) g80.0<1>UW g42.0<16,8,1>UB {align1};
49mov (16) g81.0<1>UW g43.0<16,8,1>UB {align1};
50