| 0,0 → 1,81 |
|---|
| /* |
| * 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_Y_16X4.asm |
| // |
| // Load Y 16X4 Block to PREV_MB_YD |
| // |
| //---------------------------------------------------------------- |
| // Symbols Need To Be Defined Before Including This Module |
| // |
| // Source Region In :Ud |
| // Src_YD: Src_Yd Base=Rxx Elementsize=4 Srcregion=Region(8,1) Type=Ud // 3 Grfs (2 For Y, 1 For U+V) |
| // |
| // Source Region Is :Ub. The Same Region As :Ud Region |
| // Src_YB: Src_Yb Base=Rxx Elementsize=1 Srcregion=Region(16,1) Type=Ub // 2 Grfs |
| // |
| // Binding Table Index: |
| // Bi_Src_Y: Binding Table Index Of Y Surface |
| // |
| // Temp Buffer: |
| // Buf_D: Buf_D Base=Rxx Elementsize=4 Srcregion=Region(8,1) Type=Ud |
| // Buf_B: Buf_B Base=Rxx Elementsize=1 Srcregion=Region(16,1) Type=Ub |
| // |
| //---------------------------------------------------------------- |
| |
| #if defined(_DEBUG) |
| mov (1) EntrySignatureC:w 0xDDD2:w |
| #endif |
| // FieldModeCurrentMbFlag determines how to access above 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 |
| |
| // Read Y |
| mov (2) MSGSRC.0<1>:ud ORIX_TOP<2;2,1>:w { NoDDClr } // Block origin |
| mov (1) MSGSRC.2<1>:ud 0x0003000F:ud { NoDDChk } // Block width and height (16x4) |
| |
| // Set message descriptor |
| |
| (f0.0) if (1) ELSE_Y_16x4 |
| |
| // Frame picture |
| mov (1) MSGDSC RESP_LEN(2)+DWBRMSGDSC_RC+BI_DEST_Y:ud // Read 2 GRFs from SRC_Y |
| |
| // Add vertical offset 16 for bot MB in MBAFF mode |
| (f0.1) add (1) MSGSRC.1:d MSGSRC.1:d 16:w |
| |
| // Dual field mode setup |
| and.z.f0.1 (1) NULLREGW DualFieldMode:w 1:w |
| (f0.1) jmpi NOT_DUAL_FIELD |
| |
| add (1) MSGSRC.1:d MSGSRC.1:d -4:w { NoDDClr } // Load 8 lines in above MB |
| mov (1) MSGSRC.2:ud 0x0007000F:ud { NoDDChk } // New block width and height (16x8) |
| |
| add (1) MSGDSC MSGDSC RESP_LEN(2):ud // 2 more GRF to receive |
| |
| NOT_DUAL_FIELD: |
| |
| ELSE_Y_16x4: |
| else (1) ENDIF_Y_16x4 |
| |
| asr (1) MSGSRC.1:d ORIY_CUR:w 1:w // Reduce y by half in field access mode |
| |
| // Field picture |
| (f0.1) mov (1) MSGDSC RESP_LEN(2)+DWBRMSGDSC_RC_BF+BI_DEST_Y:ud // Read 2 GRFs from SRC_Y bottom field |
| (-f0.1) mov (1) MSGDSC RESP_LEN(2)+DWBRMSGDSC_RC_TF+BI_DEST_Y:ud // Read 2 GRFs from SRC_Y top field |
| |
| add (1) MSGSRC.1:d MSGSRC.1:d -4:w // for last 4 rows of above MB |
| |
| endif |
| ENDIF_Y_16x4: |
| |
| // Read 2 GRFs from DEST surface, as the above MB has been deblocked |
| send (8) PREV_MB_YD(0)<1> MSGHDRY MSGSRC<8;8,1>:ud DAPREAD MSGDSC |
| |
| // End of load_Y_16x4.asm |