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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_4x16T.asm |
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| 10 | // |
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| 11 | // Load luma left MB 4x16 and transpose 4x16 to 16x4. |
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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 | // PREV_MB_YD: PREV_MB_YD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud // 2 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 0xDDD0:w |
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| 26 | #endif |
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| 27 | |||
| 28 | |||
| 29 | #if defined(_PROGRESSIVE) |
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| 30 | // Read Y |
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| 31 | mov (2) MSGSRC.0<1>:ud ORIX_LEFT<2;2,1>:w { NoDDClr } // Block origin |
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| 32 | mov (1) MSGSRC.2<1>:ud 0x000F0003:ud { NoDDChk } // Block width and height (4x16) |
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| 33 | |||
| 34 | // mov (1) MSGDSC DWBRMSGDSC_RC+0x00020000+BI_DEST_Y:ud // Read 2 GRFs from DEST_Y |
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| 35 | send (8) LEFT_TEMP_D(0)<1> MSGHDRL MSGSRC<8;8,1>:ud DAPREAD RESP_LEN(2)+DWBRMSGDSC_RC+BI_DEST_Y |
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| 36 | #endif |
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| 37 | |||
| 38 | |||
| 39 | #if defined(_FIELD) || defined(_MBAFF) |
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| 40 | |||
| 41 | // FieldModeCurrentMbFlag determines how to access left MB |
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| 42 | and.z.f0.0 (1) null:w r[ECM_AddrReg, BitFlags]:ub FieldModeCurrentMbFlag:w |
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| 43 | |||
| 44 | and.nz.f0.1 (1) NULLREGW BitFields:w BotFieldFlag:w // Get bottom field flag |
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| 45 | |||
| 46 | // Read Y |
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| 47 | mov (2) MSGSRC.0<1>:ud ORIX_LEFT<2;2,1>:w { NoDDClr } // Block origin |
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| 48 | mov (1) MSGSRC.2<1>:ud 0x000F0003:ud { NoDDChk } // Block width and height (4x16) |
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| 49 | |||
| 50 | // Set message descriptor, etc. |
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| 51 | |||
| 52 | (f0.0) if (1) ILDB_LABEL(ELSE_Y_4x16T) |
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| 53 | |||
| 54 | // Frame picture |
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| 55 | mov (1) MSGDSC RESP_LEN(2)+DWBRMSGDSC_RC+BI_DEST_Y:ud // Read 2 GRFs from DEST_Y |
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| 56 | |||
| 57 | (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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| 58 | |||
| 59 | ILDB_LABEL(ELSE_Y_4x16T): |
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| 60 | else (1) ILDB_LABEL(ENDIF_Y_4x16T) |
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| 61 | |||
| 62 | // Field picture |
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| 63 | (f0.1) mov (1) MSGDSC RESP_LEN(2)+DWBRMSGDSC_RC_BF+BI_DEST_Y:ud // Read 2 GRFs from DEST_Y bottom field |
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| 64 | (-f0.1) mov (1) MSGDSC RESP_LEN(2)+DWBRMSGDSC_RC_TF+BI_DEST_Y:ud // Read 2 GRFs from DEST_Y top field |
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| 65 | |||
| 66 | endif |
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| 67 | ILDB_LABEL(ENDIF_Y_4x16T): |
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| 68 | |||
| 69 | // send (8) BUF_D(0)<1> MSGHDRY MSGSRC<8;8,1>:ud MSGDSC |
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| 70 | send (8) LEFT_TEMP_D(0)<1> MSGHDRL MSGSRC<8;8,1>:ud DAPREAD MSGDSC |
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| 71 | #endif |
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| 72 | |||
| 73 | // Transpose 4x16 to 16x4 |
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| 74 | |||
| 75 | // Input received from dport: |
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| 76 | // +-----------------------+-----------------------+-----------------------+-----------------------+ |
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| 77 | // |73 72 71 70 63 62 61 60 53 52 51 50 43 42 41 40 33 32 31 30 23 22 21 20 13 12 11 10 03 02 01 00| |
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| 78 | // +-----------------------+-----------------------+-----------------------+-----------------------+ |
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| 79 | // |f3 f2 f1 f0 e3 e2 e1 e0 d3 d2 d1 d0 c3 c2 c1 c0 b3 b2 b1 b0 a3 a2 a1 a0 93 92 91 90 83 82 81 80| |
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| 80 | // +-----------------------+-----------------------+-----------------------+-----------------------+ |
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| 81 | |||
| 82 | // Output of transpose: <1> <= <32;8,4> |
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| 83 | // +-----------------------+-----------------------+-----------------------+-----------------------+ |
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| 84 | // |f1 e1 d1 c1 b1 a1 91 81 71 61 51 41 31 21 11 01 f0 e0 d0 c0 b0 a0 90 80 70 60 50 40 30 20 10 00| |
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| 85 | // +-----------------------+-----------------------+-----------------------+-----------------------+ |
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| 86 | // |f3 e3 d3 c3 b3 a3 93 83 73 63 53 43 33 23 13 03 f2 e2 d2 c2 b2 a2 92 82 72 62 52 42 32 22 12 02| |
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| 87 | // +-----------------------+-----------------------+-----------------------+-----------------------+ |
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| 88 | /* |
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| 89 | // Transpose the data, also occupy 2 GRFs |
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| 90 | mov (16) PREV_MB_YB(0)<1> BUF_B(0, 0)<32;8,4> { NoDDClr } |
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| 91 | mov (16) PREV_MB_YB(0, 16)<1> BUF_B(0, 1)<32;8,4> { NoDDChk } |
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| 92 | mov (16) PREV_MB_YB(1)<1> BUF_B(0, 2)<32;8,4> { NoDDClr } |
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| 93 | mov (16) PREV_MB_YB(1, 16)<1> BUF_B(0, 3)<32;8,4> { NoDDChk } |
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| 94 | */ |
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| 95 | // End of load_Y_4x16T |
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| 96 |