blob: 426a5188cba2885d6f4f706204105809def9948e (
plain)
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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/*
* Copyright © <2010>, Intel Corporation.
*
* This program is licensed under the terms and conditions of the
* Eclipse Public License (EPL), version 1.0. The full text of the EPL is at
* http://www.opensource.org/licenses/eclipse-1.0.php.
*
*/
// Module Name: Load_Cur_UV_Right_Most_2X8.Asm
#if defined(_DEBUG)
mov (1) EntrySignatureC:w 0xDDD0:w
#endif
#if defined(_PROGRESSIVE)
// Read U+V, (UV MB size = 16x8)
add (1) MSGSRC.0:ud ORIX_CUR:w 12:w { NoDDClr } // Block origin
asr (1) MSGSRC.1:ud ORIY_CUR:w 1:w { NoDDClr, NoDDChk } // NV12 U+V block origin y = half of Y comp
mov (1) MSGSRC.2:ud 0x00070003:ud { NoDDChk } // NV12 U+V block width and height (4x8)
send (8) LEFT_TEMP_D(0)<1> MSGHDRU MSGSRC<8;8,1>:ud DAPREAD RESP_LEN(1)+DWBRMSGDSC_RC+BI_DEST_UV
#endif
#if defined(_FIELD) || defined(_MBAFF)
// FieldModeCurrentMbFlag determines how to access left MB
and.z.f0.0 (1) null:w r[ECM_AddrReg, BitFlags]:ub FieldModeCurrentMbFlag:w
and.nz.f0.1 (1) NULLREGW BitFields:w BotFieldFlag:w // Get bottom field flag
// Read U+V
add (1) MSGSRC.0:ud ORIX_CUR:w 12:w { NoDDClr } // Block origin
asr (1) MSGSRC.1:ud ORIY_CUR:w 1:w { NoDDClr, NoDDChk } // NV12 U+V block origin y = half of Y comp
mov (1) MSGSRC.2:ud 0x00070003:ud { NoDDChk } // NV12 U+V block width and height (4x8)
// Load NV12 U+V
// Set message descriptor
(f0.0) if (1) ILDB_LABEL(ELSE_Y_2x8T)
// Frame picture
mov (1) MSGDSC RESP_LEN(1)+DWBRMSGDSC_RC+BI_DEST_UV:ud // Read 1 GRF from SRC_UV
(f0.1) add (1) MSGSRC.1:d MSGSRC.1:d 8:w // Add vertical offset 8 for bot MB in MBAFF mode
ILDB_LABEL(ELSE_Y_2x8T):
else (1) ILDB_LABEL(ENDIF_Y_2x8T)
// Field picture
(f0.1) mov (1) MSGDSC RESP_LEN(1)+DWBRMSGDSC_RC_BF+BI_DEST_UV:ud // Read 1 GRF from SRC_Y bottom field
(-f0.1) mov (1) MSGDSC RESP_LEN(1)+DWBRMSGDSC_RC_TF+BI_DEST_UV:ud // Read 1 GRF from SRC_Y top field
endif
ILDB_LABEL(ENDIF_Y_2x8T):
// Read 1 GRF from DEST surface as the above MB has been deblocked.
// send (8) BUF_D(0)<1> MSGHDRU MSGSRC<8;8,1>:ud MSGDSC
send (8) LEFT_TEMP_D(0)<1> MSGHDRU MSGSRC<8;8,1>:ud DAPREAD MSGDSC
#endif
|