2 * Copyright © 2008 Intel Corporation
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:
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
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
24 * Zou Nan hai <nanhai.zou@intel.com>
25 * Zhang Hua jun <huajun.zhang@intel.com>
26 * Xing Dong sheng <dongsheng.xing@intel.com>
30 /* shader for backward predict mc
32 mov (8) g76.0<1>UD g1.0<8,8,1>UD {align1};
33 //mov (8) g77.0<1>UD g2.0<8,8,1>UD {align1};
35 include(`block_clear.g4i')
37 mov (2) g1.14<1>UW g1.18<2,2,1>UW {align1};
39 mov (8) g115.0<1>UD g1.0<8,8,1>UD {align1};
40 /* 8x8 media read/write payload */
41 mov (1) g1.8<1>UD 0x0070007UD {align1};
42 /* save payload, again */
43 define(`dest', `g118')
44 define(`input_surface', `7')
45 define(`mv1', `g115.14')
46 define(`mv2', `g115.16')
48 /* (x', y') = (x, y) + (motion_vector.x >> 1, motion_vector.y >> 1) */
49 asr (2) g1.14<1>W g115.14<2,2,1>W 1W {align1};
50 add (2) g2.0<1>UD g115.0<2,2,1>UD g1.14<2,2,1>W {align1};
51 include(`motion_frame_y.g4i')
52 /* motion_vector = motion_vector >> 1 */
53 /* (x', y') = (x, y) + (motion_vector.x >> 1, motion_vector.y >> 1) */
54 shr (2) g1.0<1>UD g115.0<2,2,1>UD 1UD {align1};
55 asr (2) g115.14<1>W g115.14<2,2,1>W 1W {align1};
56 asr (2) g1.14<1>W g115.14<2,2,1>W 1W {align1};
57 add (2) g2.0<1>UD g1.0<2,2,1>UD g1.14<2,2,1>W {align1};
59 define(`input_surface1', `8')
60 define(`input_surface2', `9')
61 mov (1) g2.8<1>UD 0x007000fUD {align1};
62 include(`motion_frame_uv.g4i')
65 /* (x', y') = (x, y) + (motion_vector.x >> 1, motion_vector.y >> 1) */
66 include(`addidct.g4i')
68 send (16) 0 acc0<1>UW g0<8,8,1>UW
69 thread_spawner(0, 0, 0) mlen 1 rlen 0 { align1 EOT};