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   g58~g81:reference data
35   g82:    thread payload backup
36   g83~g106:IDCT data
37   g115:   message descriptor for reading reference data   */
38mov (1) g115.8<1>UD 0x01FUD {align1};
39send (16) 0 g40.0<1>UW g115<8,8,1>UW read(surface,2,0,2) mlen 1 rlen 1 {align1};
40add (1) g115.4<1>UD g115.4<1,1,1>UD 2UD {align1};
41send (16) 0 g42.0<1>UW g115<8,8,1>UW read(surface,2,0,2) mlen 1 rlen 1 {align1};
42add (1) g115.4<1>UD g115.4<1,1,1>UD 2UD {align1};
43send (16) 0 g44.0<1>UW g115<8,8,1>UW read(surface,2,0,2) mlen 1 rlen 1 {align1};
44add (1) g115.4<1>UD g115.4<1,1,1>UD 2UD {align1};
45send (16) 0 g46.0<1>UW g115<8,8,1>UW read(surface,2,0,2) mlen 1 rlen 1 {align1};
46add (1) g115.4<1>UD g115.4<1,1,1>UD 2UD {align1};
47mov (1) g115.8<1>UD 0x07001FUD {align1};
48send (16) 0 g48.0<1>UW g115<8,8,1>UW read(surface,2,0,2) mlen 1 rlen 8 {align1};
49add (1) g115.4<1>UD g115.4<1,1,1>UD 8UD {align1};
50mov (1) g115.8<1>UD 0x1FUD {align1};
51send (16) 0 g56.0<1>UW g115<8,8,1>UW read(surface,2,0,2) mlen 1 rlen 1 {align1};
52
53add (16) g32.0<1>UW g40.0<16,16,1>UB g42.0<16,16,1>UB {align1};
54add (16) g33.0<1>UW g42.0<16,16,1>UB g44.0<16,16,1>UB {align1};
55add (16) g34.0<1>UW g44.0<16,16,1>UB g46.0<16,16,1>UB {align1};
56add (16) g35.0<1>UW g46.0<16,16,1>UB g48.0<16,16,1>UB {align1};
57add (16) g36.0<1>UW g48.0<16,16,1>UB g50.0<16,16,1>UB {align1};
58add (16) g37.0<1>UW g50.0<16,16,1>UB g52.0<16,16,1>UB {align1};
59add (16) g38.0<1>UW g52.0<16,16,1>UB g54.0<16,16,1>UB {align1};
60add (16) g39.0<1>UW g54.0<16,16,1>UB g56.0<16,16,1>UB {align1};
61
62add (16) g32.0<1>UW g32.0<16,16,1>UW g40.1<16,16,1>UB {align1};
63add (16) g33.0<1>UW g33.0<16,16,1>UW g42.1<16,16,1>UB {align1};
64add (16) g34.0<1>UW g34.0<16,16,1>UW g44.1<16,16,1>UB {align1};
65add (16) g35.0<1>UW g35.0<16,16,1>UW g46.1<16,16,1>UB {align1};
66add (16) g36.0<1>UW g36.0<16,16,1>UW g48.1<16,16,1>UB {align1};
67add (16) g37.0<1>UW g37.0<16,16,1>UW g50.1<16,16,1>UB {align1};
68add (16) g38.0<1>UW g38.0<16,16,1>UW g52.1<16,16,1>UB {align1};
69add (16) g39.0<1>UW g39.0<16,16,1>UW g54.1<16,16,1>UB {align1};
70
71add (16) g32.0<1>UW g32.0<16,16,1>UW g42.1<16,16,1>UB {align1};
72add (16) g33.0<1>UW g33.0<16,16,1>UW g44.1<16,16,1>UB {align1};
73add (16) g34.0<1>UW g34.0<16,16,1>UW g46.1<16,16,1>UB {align1};
74add (16) g35.0<1>UW g35.0<16,16,1>UW g48.1<16,16,1>UB {align1};
75add (16) g36.0<1>UW g36.0<16,16,1>UW g50.1<16,16,1>UB {align1};
76add (16) g37.0<1>UW g37.0<16,16,1>UW g52.1<16,16,1>UB {align1};
77add (16) g38.0<1>UW g38.0<16,16,1>UW g54.1<16,16,1>UB {align1};
78add (16) g39.0<1>UW g39.0<16,16,1>UW g56.1<16,16,1>UB {align1};
79
80shr (16) g32.0<1>UW g32.0<16,16,1>UW 2UW {align1};
81shr (16) g33.0<1>UW g33.0<16,16,1>UW 2UW {align1};
82shr (16) g34.0<1>UW g34.0<16,16,1>UW 2UW {align1};
83shr (16) g35.0<1>UW g35.0<16,16,1>UW 2UW {align1};
84shr (16) g36.0<1>UW g36.0<16,16,1>UW 2UW {align1};
85shr (16) g37.0<1>UW g37.0<16,16,1>UW 2UW {align1};
86shr (16) g38.0<1>UW g38.0<16,16,1>UW 2UW {align1};
87shr (16) g39.0<1>UW g39.0<16,16,1>UW 2UW {align1};
88