2 * Add macroblock correction Y data blocks to predicted picture
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3 * Copyright © <2010>, Intel Corporation.
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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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11 // Module name: add_Error_16x16_Y.asm
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13 // Add macroblock correction Y data blocks to predicted picture
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16 // Every line of predicted Y data is added to Y error data if CBP bit is set
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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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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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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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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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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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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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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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50 // End of add_Error_16x16_Y
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