| /* GRF allocation: |
| g1~g30: constant buffer |
| g1~g2:intra IQ matrix |
| g3~g4:non intra IQ matrix |
| g5~g20:IDCT table |
| g31: thread payload |
| g58~g81:reference data |
| g82: thread payload backup |
| g83~g106:IDCT data |
| g32: message descriptor for reading reference 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}; |
| define(`UV_red',`0xffffffffUD') |
| define(`UV_white',`0x7f7f7f7fUD') |
| define(`UV_green',`0x00000000UD') |
| mov(2) g6.0<1>UD g82.12<2,2,1>UW {align1}; |
| mov(1) g6.8<1>UD 0x000f000fUD { align1 }; |
| mov(16) m1<1>UD 0xFFFFFFFFUD {align1 compr}; |
| mov(16) m3<1>UD 0xFFFFFFFFUD {align1 compr}; |
| mov(16) m5<1>UD 0xFFFFFFFFUD {align1 compr}; |
| mov(16) m7<1>UD 0xFFFFFFFFUD {align1 compr}; |
| send (16) 0 acc0<1>UW g6<8,8,1>UW write(0, 0, 2, 0) mlen 9 rlen 0 { align1 }; |
| /*Fill U buffer & V buffer with 0x7F*/ |
| shr (2) g6.0<1>UD g82.12<2,2,1>UW 1UW {align1}; |
| mov(1) g6.8<1>UD 0x00070007UD { align1 }; |
| mov (16) m1<1>UD UV_white {align1 compr}; |
| send (16) 0 acc0<1>UW g6<8,8,1>UW write(2, 0, 2, 0) mlen 3 rlen 0 { align1 }; |
| send (16) 0 acc0<1>UW g6<8,8,1>UW write(1, 0, 2, 0) mlen 3 rlen 0 { align1 }; |
| |
| send (16) 0 acc0<1>UW g0<8,8,1>UW |
| thread_spawner(0, 0, 0) mlen 1 rlen 0 { align1 EOT}; |