| /* |
| * 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 in UB format |
| g3~g4:non intra IQ matrix in UB format |
| g5~g20:IDCT table |
| g56~g79:DCT data after IQ before idct |
| g83~g106: IDCT data after idct |
| g82: thread payload backup |
| g125: ip before idct |
| */ |
| IDCT_START: |
| mov (1) g126.0<1>UD ip {align1}; |
| jmpi DO_IDCT; |
| add (16) g32<1>D g32<8,8,1>D ROW_ADD {compr}; |
| add (16) g34<1>D g34<8,8,1>D ROW_ADD {compr}; |
| add (16) g36<1>D g36<8,8,1>D ROW_ADD {compr}; |
| add (16) g38<1>D g38<8,8,1>D ROW_ADD {compr}; |
| |
| shr (16) g32<1>D g32<8,8,1>D ROW_SHIFT {compr}; |
| shr (16) g34<1>D g34<8,8,1>D ROW_SHIFT {compr}; |
| shr (16) g36<1>D g36<8,8,1>D ROW_SHIFT {compr}; |
| shr (16) g38<1>D g38<8,8,1>D ROW_SHIFT {compr}; |
| |
| mov (16) g110.0<1>W g32<16,8,2>W {align1}; |
| mov (16) g111.0<1>W g34<16,8,2>W {align1}; |
| mov (16) g112.0<1>W g36<16,8,2>W {align1}; |
| mov (16) g113.0<1>W g38<16,8,2>W {align1}; |
| |
| mov (1) g80.0<1>UD a0.0<1,1,1>UD {align1}; //save a0 |
| mov (1) a0.0<1>UD 0x0DB00DA0UD {align1}; //begin at g110.0, the output of idct_row.g4i |
| mov (1) g126.0<1>UD ip {align1}; |
| jmpi DO_IDCT; |
| |
| add (16) g32<1>D g32<8,8,1>D COL_ADD {compr}; |
| add (16) g34<1>D g34<8,8,1>D COL_ADD {compr}; |
| add (16) g36<1>D g36<8,8,1>D COL_ADD {compr}; |
| add (16) g38<1>D g38<8,8,1>D COL_ADD {compr}; |
| |
| shr (16) g32<1>D g32<8,8,1>D COL_SHIFT {compr}; |
| shr (16) g34<1>D g34<8,8,1>D COL_SHIFT {compr}; |
| shr (16) g36<1>D g36<8,8,1>D COL_SHIFT {compr}; |
| shr (16) g38<1>D g38<8,8,1>D COL_SHIFT {compr}; |
| |
| mov (1) a0.0<1>UD g80.0<1,1,1>UD {align1}; //restore a0 |
| add (1) ip g125.0<1,1,1>UD 0x20UD {align1}; //jump back |
| |
| DO_IDCT: |
| add (1) a0.0<1>UD a0.0<1,1,1>UD 0x00200020UD {align1}; //increase the address |
| dp4 (16) g40<1>D g[a0.0]<8,8,1>W g5<8,8,1>D {align1 compr}; |
| dp4 (16) g42<1>D g[a0.0]<8,8,1>W g7<8,8,1>D {align1 compr}; |
| dp4 (16) g44<1>D g[a0.0]<8,8,1>W g9<8,8,1>D {align1 compr}; |
| dp4 (16) g46<1>D g[a0.0]<8,8,1>W g11<8,8,1>D {align1 compr}; |
| dp4 (16) g48<1>D g[a0.0]<8,8,1>W g13<8,8,1>D {align1 compr}; |
| dp4 (16) g50<1>D g[a0.0]<8,8,1>W g15<8,8,1>D {align1 compr}; |
| dp4 (16) g52<1>D g[a0.0]<8,8,1>W g17<8,8,1>D {align1 compr}; |
| dp4 (16) g54<1>D g[a0.0]<8,8,1>W g19<8,8,1>D {align1 compr}; |
| add (2) g32.0<1>D g40.0<8,1,8>D g40.16<8,1,8>D {align1}; |
| add (2) g33.0<1>D g42.0<8,1,8>D g42.16<8,1,8>D {align1}; |
| add (2) g34.0<1>D g44.0<8,1,8>D g44.16<8,1,8>D {align1}; |
| add (2) g35.0<1>D g46.0<8,1,8>D g46.16<8,1,8>D {align1}; |
| add (2) g36.0<1>D g48.0<8,1,8>D g48.16<8,1,8>D {align1}; |
| add (2) g37.0<1>D g50.0<8,1,8>D g50.16<8,1,8>D {align1}; |
| add (2) g38.0<1>D g52.0<8,1,8>D g52.16<8,1,8>D {align1}; |
| add (2) g39.0<1>D g54.0<8,1,8>D g54.16<8,1,8>D {align1}; |
| |
| add (1) a0.0<1>UD a0.0<1,1,1>UD 0x00200020UD {align1}; |
| dp4 (16) g40<1>D g[a0.0]<8,8,1>W g5<8,8,1>D {align1 compr}; |
| dp4 (16) g42<1>D g[a0.0]<8,8,1>W g7<8,8,1>D {align1 compr}; |
| dp4 (16) g44<1>D g[a0.0]<8,8,1>W g9<8,8,1>D {align1 compr}; |
| dp4 (16) g46<1>D g[a0.0]<8,8,1>W g11<8,8,1>D {align1 compr}; |
| dp4 (16) g48<1>D g[a0.0]<8,8,1>W g13<8,8,1>D {align1 compr}; |
| dp4 (16) g50<1>D g[a0.0]<8,8,1>W g15<8,8,1>D {align1 compr}; |
| dp4 (16) g52<1>D g[a0.0]<8,8,1>W g17<8,8,1>D {align1 compr}; |
| dp4 (16) g54<1>D g[a0.0]<8,8,1>W g19<8,8,1>D {align1 compr}; |
| add (2) g32.8<1>D g40.0<8,1,8>D g40.16<8,1,8>D {align1}; |
| add (2) g33.8<1>D g42.0<8,1,8>D g42.16<8,1,8>D {align1}; |
| add (2) g34.8<1>D g44.0<8,1,8>D g44.16<8,1,8>D {align1}; |
| add (2) g35.8<1>D g46.0<8,1,8>D g46.16<8,1,8>D {align1}; |
| add (2) g36.8<1>D g48.0<8,1,8>D g48.16<8,1,8>D {align1}; |
| add (2) g37.8<1>D g50.0<8,1,8>D g50.16<8,1,8>D {align1}; |
| add (2) g38.8<1>D g52.0<8,1,8>D g52.16<8,1,8>D {align1}; |
| add (2) g39.8<1>D g54.0<8,1,8>D g54.16<8,1,8>D {align1}; |
| |
| add (1) a0.0<1>UD a0.0<1,1,1>UD 0x00200020UD {align1}; |
| dp4 (16) g40<1>D g[a0.0]<8,8,1>W g5<8,8,1>D {align1 compr}; |
| dp4 (16) g42<1>D g[a0.0]<8,8,1>W g7<8,8,1>D {align1 compr}; |
| dp4 (16) g44<1>D g[a0.0]<8,8,1>W g9<8,8,1>D {align1 compr}; |
| dp4 (16) g46<1>D g[a0.0]<8,8,1>W g11<8,8,1>D {align1 compr}; |
| dp4 (16) g48<1>D g[a0.0]<8,8,1>W g13<8,8,1>D {align1 compr}; |
| dp4 (16) g50<1>D g[a0.0]<8,8,1>W g15<8,8,1>D {align1 compr}; |
| dp4 (16) g52<1>D g[a0.0]<8,8,1>W g17<8,8,1>D {align1 compr}; |
| dp4 (16) g54<1>D g[a0.0]<8,8,1>W g19<8,8,1>D {align1 compr}; |
| add (2) g32.16<1>D g40.0<8,1,8>D g40.16<8,1,8>D {align1}; |
| add (2) g33.16<1>D g42.0<8,1,8>D g42.16<8,1,8>D {align1}; |
| add (2) g34.16<1>D g44.0<8,1,8>D g44.16<8,1,8>D {align1}; |
| add (2) g35.16<1>D g46.0<8,1,8>D g46.16<8,1,8>D {align1}; |
| add (2) g36.16<1>D g48.0<8,1,8>D g48.16<8,1,8>D {align1}; |
| add (2) g37.16<1>D g50.0<8,1,8>D g50.16<8,1,8>D {align1}; |
| add (2) g38.16<1>D g52.0<8,1,8>D g52.16<8,1,8>D {align1}; |
| add (2) g39.16<1>D g54.0<8,1,8>D g54.16<8,1,8>D {align1}; |
| |
| add (1) a0.0<1>UD a0.0<1,1,1>UD 0x00200020UD {align1}; |
| dp4 (16) g40<1>D g[a0.0]<8,8,1>W g5<8,8,1>D {align1 compr}; |
| dp4 (16) g42<1>D g[a0.0]<8,8,1>W g7<8,8,1>D {align1 compr}; |
| dp4 (16) g44<1>D g[a0.0]<8,8,1>W g9<8,8,1>D {align1 compr}; |
| dp4 (16) g46<1>D g[a0.0]<8,8,1>W g11<8,8,1>D {align1 compr}; |
| dp4 (16) g48<1>D g[a0.0]<8,8,1>W g13<8,8,1>D {align1 compr}; |
| dp4 (16) g50<1>D g[a0.0]<8,8,1>W g15<8,8,1>D {align1 compr}; |
| dp4 (16) g52<1>D g[a0.0]<8,8,1>W g17<8,8,1>D {align1 compr}; |
| dp4 (16) g54<1>D g[a0.0]<8,8,1>W g19<8,8,1>D {align1 compr}; |
| add (2) g32.24<1>D g40.0<8,1,8>D g40.16<8,1,8>D {align1}; |
| add (2) g33.24<1>D g42.0<8,1,8>D g42.16<8,1,8>D {align1}; |
| add (2) g34.24<1>D g44.0<8,1,8>D g44.16<8,1,8>D {align1}; |
| add (2) g35.24<1>D g46.0<8,1,8>D g46.16<8,1,8>D {align1}; |
| add (2) g36.24<1>D g48.0<8,1,8>D g48.16<8,1,8>D {align1}; |
| add (2) g37.24<1>D g50.0<8,1,8>D g50.16<8,1,8>D {align1}; |
| add (2) g38.24<1>D g52.0<8,1,8>D g52.16<8,1,8>D {align1}; |
| add (2) g39.24<1>D g54.0<8,1,8>D g54.16<8,1,8>D {align1}; |
| |
| add (1) ip g126.0<1,1,1>UD 0x20UD {align1}; //jump back |