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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5361 | serge | 1 | /* |
| 2 | * Copyright © <2010>, Intel Corporation. |
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| 3 | * |
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| 4 | * This program is licensed under the terms and conditions of the |
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| 5 | * Eclipse Public License (EPL), version 1.0. The full text of the EPL is at |
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| 6 | * http://www.opensource.org/licenses/eclipse-1.0.php. |
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| 7 | * |
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| 8 | */ |
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| 9 | // Module name: load_Y_16x16T.asm |
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| 10 | // |
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| 11 | // Load and transpose Y 16x16 block |
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| 12 | // |
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| 13 | //---------------------------------------------------------------- |
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| 14 | // Symbols need to be defined before including this module |
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| 15 | // |
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| 16 | // Source region in :ud |
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| 17 | // SRC_YD: SRC_YD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud // 8 GRFs |
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| 18 | // |
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| 19 | // Binding table index: |
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| 20 | // BI_SRC_Y: Binding table index of Y surface |
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| 21 | // |
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| 22 | //---------------------------------------------------------------- |
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| 23 | |||
| 24 | #if defined(_DEBUG) |
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| 25 | mov (1) EntrySignatureC:w 0xDDD1:w |
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| 26 | #endif |
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| 27 | |||
| 28 | // FieldModeCurrentMbFlag determines how to access left MB |
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| 29 | and.z.f0.0 (1) null:w r[ECM_AddrReg, BitFlags]:ub FieldModeCurrentMbFlag:w |
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| 30 | |||
| 31 | and.nz.f0.1 (1) NULLREGW BitFields:w BotFieldFlag:w // Get bottom field flag |
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| 32 | |||
| 33 | // Read Y |
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| 34 | mov (2) MSGSRC.0<1>:d ORIX_CUR<2;2,1>:w { NoDDClr } // Block origin |
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| 35 | mov (1) MSGSRC.2<1>:ud 0x000F000F:ud { NoDDChk } // Block width and height (16x16) |
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| 36 | |||
| 37 | // Set message descriptor, etc. |
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| 38 | |||
| 39 | (f0.0) if (1) ILDB_LABEL(ELSE_Y_16x16T) |
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| 40 | |||
| 41 | // Frame picture |
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| 42 | mov (1) MSGDSC RESP_LEN(8)+DWBRMSGDSC_SC+BI_SRC_Y:ud // Read 8 GRFs from SRC_Y |
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| 43 | |||
| 44 | (f0.1) add (1) MSGSRC.1:d MSGSRC.1:d 16:w // Add vertical offset 16 for bot MB in MBAFF mode |
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| 45 | |||
| 46 | ILDB_LABEL(ELSE_Y_16x16T): |
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| 47 | else (1) ILDB_LABEL(ENDIF_Y_16x16T) |
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| 48 | |||
| 49 | // Field picture |
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| 50 | (f0.1) mov (1) MSGDSC RESP_LEN(8)+DWBRMSGDSC_SC_BF+BI_SRC_Y:ud // Read 8 GRFs from SRC_Y bottom field |
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| 51 | (-f0.1) mov (1) MSGDSC RESP_LEN(8)+DWBRMSGDSC_SC_TF+BI_SRC_Y:ud // Read 8 GRFs from SRC_Y top field |
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| 52 | |||
| 53 | asr (1) MSGSRC.1:d MSGSRC.1:d 1:w // Reduce y by half in field access mode |
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| 54 | |||
| 55 | endif |
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| 56 | ILDB_LABEL(ENDIF_Y_16x16T): |
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| 57 | |||
| 58 | send (8) SRC_YD(0)<1> MSGHDRY MSGSRC<8;8,1>:ud DAPREAD MSGDSC |
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| 59 | |||
| 60 | // #include "Transpose_Cur_Y_16x16.asm" |
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| 61 | |||
| 62 | // End of load_Y_16x16T |