| 0,0 → 1,62 |
|---|
| /* |
| * 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 |
| |
| and.z.f0.0 (1) null:w r[ECM_AddrReg, BitFlags]:ub FieldModeCurrentMbFlag:w |
| |
| and.nz.f0.1 (1) NULLREGW BitFields:w BotFieldFlag:w |
| |
| 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) |
| |
| // Set message descriptor |
| |
| (f0.0) if (1) ELSE_UV_8X8 |
| |
| // Frame picture |
| mov (1) MSGDSC MSG_LEN(4)+DWBWMSGDSC+BI_DEST_UV:ud // Write 4 GRFs to DEST_UV |
| |
| (f0.1) add (1) MSGSRC.1:d MSGSRC.1:d 8:w // Add vertical offset 8 for bot MB in MBAFF mode |
| |
| ELSE_UV_8X8: |
| else (1) ENDIF_UV_8X8 |
| |
| // 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 |
| |
| asr (1) MSGSRC.1:d MSGSRC.1:d 1:w // Reduce y by half in field access mode |
| |
| endif |
| ENDIF_UV_8X8: |
| |
| send (8) null:ud MSGHDR MSGSRC<8;8,1>:ud DAPWRITE MSGDSC |
| |
| // End of save_Cur_UV_8x8.asm |