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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_Cur_UV_8x8T.asm |
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| 10 | // |
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| 11 | // Load and transpose UV 8x8 block (NV12: 8x8U and 8x8V mixed) |
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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_UD: SRC_UD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud (U+V for NV12) // 4 GRFs |
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| 18 | // |
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| 19 | // Binding table index: |
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| 20 | // BI_SRC_UV: Binding table index of UV surface (NV12) |
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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 | // Read U+V blk |
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| 29 | #if defined(_PROGRESSIVE) |
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| 30 | mov (1) MSGSRC.0:ud ORIX_CUR:w { NoDDClr } // Block origin |
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| 31 | asr (1) MSGSRC.1:ud ORIY_CUR:w 1:w { NoDDClr, NoDDChk } // NV12 U+V block origin y = half of Y comp |
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| 32 | mov (1) MSGSRC.2:ud 0x0007000F:ud { NoDDChk } // NV12 U+V block width and height (16x8 bytes) |
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| 33 | |||
| 34 | //send (8) SRC_UD(0)<1> MSGHDRU MSGSRC<8;8,1>:ud DWBRMSGDSC_SC+0x00040000+BI_SRC_UV |
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| 35 | mov (1) MSGDSC RESP_LEN(4)+DWBRMSGDSC_SC+BI_SRC_UV:ud |
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| 36 | #endif |
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| 37 | |||
| 38 | #if defined(_FIELD) |
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| 39 | // cmp.z.f0.0 (1) NULLREGW PicTypeC:w 0:w // Get pic type flag |
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| 40 | and.nz.f0.1 (1) NULLREGW BitFields:w BotFieldFlag:w // Get bottom field flag |
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| 41 | // they are used later in this file |
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| 42 | |||
| 43 | mov (1) MSGSRC.0:ud ORIX_CUR:w { NoDDClr } // Block origin |
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| 44 | asr (1) MSGSRC.1:ud ORIY_CUR:w 1:w { NoDDClr, NoDDChk } // NV12 U+V block origin y = half of Y comp |
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| 45 | mov (1) MSGSRC.2:ud 0x0007000F:ud { NoDDChk } // NV12 U+V block width and height (16x8 bytes) |
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| 46 | |||
| 47 | // Set message descriptor |
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| 48 | |||
| 49 | // Frame picture |
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| 50 | // (f0.0) mov (1) MSGDSC RESP_LEN(4)+DWBRMSGDSC_SC+BI_SRC_UV:ud // Read 4 GRFs from SRC_UV |
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| 51 | // (f0.0) jmpi load_UV_8x8T |
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| 52 | |||
| 53 | // Field picture |
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| 54 | (f0.1) mov (1) MSGDSC RESP_LEN(4)+DWBRMSGDSC_SC_BF+BI_SRC_UV:ud // Read 4 GRFs from SRC_UV bottom field |
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| 55 | (-f0.1) mov (1) MSGDSC RESP_LEN(4)+DWBRMSGDSC_SC_TF+BI_SRC_UV:ud // Read 4 GRFs from SRC_UV top field |
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| 56 | |||
| 57 | //load_UV_8x8T: |
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| 58 | |||
| 59 | #endif |
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| 60 | |||
| 61 | send (8) SRC_UD(0)<1> MSGHDRU MSGSRC<8;8,1>:ud DAPREAD MSGDSC |
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| 62 | |||
| 63 | // #include "Transpose_Cur_UV_8x8.asm" |
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| 64 | |||
| 65 | // End of load_UV_8x8T |