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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5361 | serge | 1 | /* |
| 2 | * Load reference 16x9 area for luma 4x4 MC |
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| 3 | * Copyright © <2010>, Intel Corporation. |
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| 4 | * |
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| 5 | * This program is licensed under the terms and conditions of the |
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| 6 | * Eclipse Public License (EPL), version 1.0. The full text of the EPL is at |
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| 7 | * http://www.opensource.org/licenses/eclipse-1.0.php. |
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| 8 | * |
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| 9 | */ |
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| 10 | // Kernel name: LoadRef_Y_16x9.asm |
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| 11 | // |
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| 12 | // Load reference 16x9 area for luma 4x4 MC |
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| 13 | |||
| 14 | |||
| 15 | //#if !defined(__LOADREF_Y_16x9__) // Make sure this is only included once |
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| 16 | //#define __LOADREF_Y_16x9__ |
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| 17 | |||
| 18 | #if 1 |
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| 19 | |||
| 20 | // Compute integer and fractional components of MV |
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| 21 | and (2) gMVX_FRAC<1>:w r[pMV,0]<2;2,1>:w 0x03:w //{NoDDClr} |
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| 22 | asr (2) gMVX_INT<1>:w r[pMV,0]<2;2,1>:w 0x02:w //{NoDDChk} |
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| 23 | |||
| 24 | // Check whether MVY is integer |
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| 25 | or.z.f0.1 (8) null:w gMVY_FRAC<0;1,0>:w 0:w |
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| 26 | |||
| 27 | // Set message descriptor |
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| 28 | (f0.1) add (1) pMSGDSC:ud gMSGDSC_R:ud RESP_LEN(2):ud |
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| 29 | (-f0.1) add (1) pMSGDSC:ud gMSGDSC_R:ud RESP_LEN(5):ud |
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| 30 | |||
| 31 | // Compute top-left corner position to be loaded |
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| 32 | // TODO: sel |
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| 33 | (-f0.1) add (2) gMSGSRC.0<1>:d gMVX_INT<2;2,1>:w -0x02:d //{NoDDClr} |
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| 34 | (-f0.1) mov (1) gMSGSRC.2:ud 0x00080008:ud //{NoDDChk} |
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| 35 | (f0.1) add (1) gMSGSRC.0<1>:d gMVX_INT<0;1,0>:w -0x02:d //{NoDDClr} |
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| 36 | (f0.1) mov (1) gMSGSRC.1<1>:d gMVY_INT<0;1,0>:w //{NoDDChk,NoDDClr} |
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| 37 | (f0.1) mov (1) gMSGSRC.2:ud 0x00030008:ud //{NoDDChk} |
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| 38 | |||
| 39 | // Read 16x9 pixels |
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| 40 | send (8) gudREF(0)<1> mMSGHDRY gMSGSRC<8;8,1>:ud DAPREAD pMSGDSC:ud |
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| 41 | |||
| 42 | #else |
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| 43 | |||
| 44 | // Compute integer and fractional components of MV |
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| 45 | and (2) gMVX_FRAC<1>:w r[pMV,0]<2;2,1>:w 0x03:w {NoDDClr} // |
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| 46 | asr (2) gMVX_INT<1>:w r[pMV,0]<2;2,1>:w 0x02:w {NoDDChk} // |
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| 47 | |||
| 48 | // Set message descriptor |
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| 49 | add (1) pMSGDSC:ud gMSGDSC_R:ud RESP_LEN(5):ud |
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| 50 | |||
| 51 | // Compute top-left corner position to be loaded |
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| 52 | add (2) gMSGSRC.0<1>:d gMVX_INT<2;2,1>:w -0x02:d {NoDDClr} // |
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| 53 | mov (1) gMSGSRC.2:ud 0x00080008:ud {NoDDChk} // |
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| 54 | |||
| 55 | // Read 16x9 pixels |
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| 56 | send (8) gudREF(0)<1> mMSGHDRY gMSGSRC<8;8,1>:ud DAPREAD pMSGDSC:ud |
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| 57 | |||
| 58 | #endif |
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| 59 | |||
| 60 | |||
| 61 | //#endif // !defined(__LOADREF_Y_16x9__) |