1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* 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
g115: message descriptor for reading reference data
*/
mov (1) g115.8<1>UD 0x07000FUD {align1};
and.nz (1) null g115.16<1,1,1>UW 1UW {align1};
(f0) jmpi read_backward;
send (16) 0 g40.0<1>UW g115<8,8,1>UW read(5, 2, 0, 2) mlen 1 rlen 4 {align1};//U
send (16) 0 g45.0<1>UW g115<8,8,1>UW read(6, 2, 0, 2) mlen 1 rlen 4 {align1};//V
mov (1) g115.8<1>UD 0xFUD {align1};
add (1) g115.4<1>UD g115.4<1,1,1>UD 8UD {align1};
send (16) 0 g44.0<1>UW g115<8,8,1>UW read(5, 2, 0, 2) mlen 1 rlen 1 {align1};//U
send (16) 0 g49.0<1>UW g115<8,8,1>UW read(6, 2, 0, 2) mlen 1 rlen 1 {align1};//V
jmpi put_data;
read_backward:
send (16) 0 g40.0<1>UW g115<8,8,1>UW read(8, 2, 0, 2) mlen 1 rlen 4 {align1};//U
send (16) 0 g45.0<1>UW g115<8,8,1>UW read(9, 2, 0, 2) mlen 1 rlen 4 {align1};//V
mov (1) g115.8<1>UD 0xFUD {align1};
add (1) g115.4<1>UD g115.4<1,1,1>UD 8UD {align1};
send (16) 0 g44.0<1>UW g115<8,8,1>UW read(8, 2, 0, 2) mlen 1 rlen 1 {align1};//U
send (16) 0 g49.0<1>UW g115<8,8,1>UW read(9, 2, 0, 2) mlen 1 rlen 1 {align1};//V
put_data:
avg (8) g32.0<1>UW g40.0<8,8,1>UB g41.0<8,8,1>UB {align1};
avg (8) g33.0<1>UW g41.0<8,8,1>UB g42.0<8,8,1>UB {align1};
avg (8) g34.0<1>UW g42.0<8,8,1>UB g43.0<8,8,1>UB {align1};
avg (8) g35.0<1>UW g43.0<8,8,1>UB g44.0<8,8,1>UB {align1};
avg (8) g36.0<1>UW g45.0<8,8,1>UB g46.0<8,8,1>UB {align1};
avg (8) g37.0<1>UW g46.0<8,8,1>UB g47.0<8,8,1>UB {align1};
avg (8) g38.0<1>UW g47.0<8,8,1>UB g48.0<8,8,1>UB {align1};
avg (8) g39.0<1>UW g48.0<8,8,1>UB g49.0<8,8,1>UB {align1};
|
