blob: 8959021b7d85071ea51eaf89ae8c9373c4cf9c43 (
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
|
/*
* 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: save_Cur_UV_8x8.asm
//
// Save UV 8x8 block (8x8U + 8x8V in NV12)
//
//----------------------------------------------------------------
// Symbols need to be defined before including this module
//
// Source region in :ud
// SRC_UD: SRC_UD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud // 4 GRF
//
// Binding table index:
// BI_DEST_UV: Binding table index of UV surface (NV12)
//
//----------------------------------------------------------------
#if defined(_DEBUG)
mov (1) EntrySignatureC:w 0xDDD4:w
#endif
#if defined(_FIELD)
and.nz.f0.1 (1) NULLREGW BitFields:w BotFieldFlag:w // Get bottom field flag
#endif
mov (1) MSGSRC.0:ud ORIX_CUR: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 0x0007000F:ud { NoDDChk } // NV12 U+V block width and height (16x8)
mov (16) MSGPAYLOADD(0)<1> SRC_UD(0) // Compressed inst
mov (16) MSGPAYLOADD(2)<1> SRC_UD(2)
#if defined(_PROGRESSIVE)
mov (1) MSGDSC MSG_LEN(4)+DWBWMSGDSC+BI_DEST_UV:ud
// send (8) NULLREG MSGHDR MSGSRC<8;8,1>:ud DWBWMSGDSC+0x00400000+BI_DEST_UV
#endif
#if defined(_FIELD)
// Field picture
(f0.1) mov (1) MSGDSC MSG_LEN(4)+DWBWMSGDSC+ENMSGDSCBF+BI_DEST_UV:ud // Write 4 GRFs to DEST_UV bottom field
(-f0.1) mov (1) MSGDSC MSG_LEN(4)+DWBWMSGDSC+ENMSGDSCTF+BI_DEST_UV:ud // Write 4 GRFs to DEST_UV top field
#endif
send (8) null:ud MSGHDR MSGSRC<8;8,1>:ud DAPWRITE MSGDSC
// End of save_Cur_UV_8x8.asm
|