| /* |
| * 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 |
| g32: message descriptor for reading reference data |
| g58~g81:reference data |
| g82: thread payload backup |
| g83~g106:IDCT 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}; |
| |
| //Y, (x', y') = (x, y) + (motion_vector.x >> 1, motion_vector.y >> 1) |
| asr (2) g31.14<1>W g82.20<2,2,1>W 1W {align1}; |
| add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1}; |
| define(`input_surface', `7') |
| define(`mv1', `g82.20') |
| define(`mv2', `g82.22') |
| include(`motion_frame_y.g4i') |
| |
| //UV, (x', y') = (x >> 1, y >> 1) + (motion_vector.x >> 2, motion_vector.y >> 2) |
| shr (2) g31.0<1>UD g31.0<2,2,1>UD 1UD {align1}; |
| asr (2) g31.14<1>W g82.20<2,2,1>W 2W {align1}; |
| add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1}; |
| define(`input_surface1', `8') |
| define(`input_surface2', `9') |
| include(`motion_frame_uv.g4i') |
| |
| 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}; |