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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5361 | serge | 1 | /* |
| 2 | * Add macroblock correction Y data blocks to predicted picture |
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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 | |||
| 11 | // Module name: add_Error_16x16_Y.asm |
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| 12 | // |
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| 13 | // Add macroblock correction Y data blocks to predicted picture |
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| 14 | // |
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| 15 | |||
| 16 | // Every line of predicted Y data is added to Y error data if CBP bit is set |
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| 17 | |||
| 18 | mov (1) PERROR_UD<1>:ud 0x10001*ERRBUF*GRFWIB+0x00100000:ud // Pointers to first and second row of error block |
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| 19 | |||
| 20 | and.z.f0.1 (1) NULLREG REG_CBPCY CBP_Y_MASK |
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| 21 | (f0.1) jmpi (1) End_add_Error_16x16_Y // Skip all blocks |
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| 22 | |||
| 23 | // Block Y0 |
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| 24 | // |
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| 25 | $for(0,0; <8; 2,1) { |
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| 26 | add.sat (16) DEC_Y(%1)<2> r[PERROR,%2*GRFWIB]REGION(8,1):w PRED_Y(%1)REGION(8,2) {Compr} |
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| 27 | } |
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| 28 | |||
| 29 | // Block Y1 |
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| 30 | // |
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| 31 | $for(0,0; <8; 2,1) { |
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| 32 | add.sat (16) DEC_Y(%1,16)<2> r[PERROR,%2*GRFWIB+0x80]REGION(8,1):w PRED_Y(%1,16)REGION(8,2) {Compr} |
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| 33 | } |
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| 34 | |||
| 35 | // Block Y2 |
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| 36 | // |
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| 37 | $for(8,0; <16; 2,1) { |
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| 38 | add.sat (16) DEC_Y(%1)<2> r[PERROR,%2*GRFWIB+0x100]REGION(8,1):w PRED_Y(%1)REGION(8,2) {Compr} |
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| 39 | } |
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| 40 | |||
| 41 | // Block Y3 |
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| 42 | // |
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| 43 | $for(8,0; <16; 2,1) { |
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| 44 | add.sat (16) DEC_Y(%1,16)<2> r[PERROR,%2*GRFWIB+0x180]REGION(8,1):w PRED_Y(%1,16)REGION(8,2) {Compr} |
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| 45 | } |
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| 46 | |||
| 47 | End_add_Error_16x16_Y: |
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| 48 | add (1) PERROR_UD<1>:ud PERROR_UD:ud 0x01800180:ud // Pointers to Y3 error block |
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| 49 | |||
| 50 | // End of add_Error_16x16_Y |
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| 51 |