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/*
* Add macroblock correction Y data blocks to predicted picture
* Copyright © <2010>, Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* This file was originally licensed under the following license
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
// Module name: add_Error_16x16_Y.asm
//
// Add macroblock correction Y data blocks to predicted picture
//
// Every line of predicted Y data is added to Y error data if CBP bit is set
mov (1) PERROR_UD<1>:ud 0x10001*ERRBUF*GRFWIB+0x00100000:ud // Pointers to first and second row of error block
and.z.f0.1 (1) NULLREG REG_CBPCY CBP_Y_MASK
(f0.1) jmpi (1) End_add_Error_16x16_Y // Skip all blocks
// Block Y0
//
$for(0,0; <8; 2,1) {
add.sat (16) DEC_Y(%1)<2> r[PERROR,%2*GRFWIB]REGION(8,1):w PRED_Y(%1)REGION(8,2) {Compr}
}
// Block Y1
//
$for(0,0; <8; 2,1) {
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}
}
// Block Y2
//
$for(8,0; <16; 2,1) {
add.sat (16) DEC_Y(%1)<2> r[PERROR,%2*GRFWIB+0x100]REGION(8,1):w PRED_Y(%1)REGION(8,2) {Compr}
}
// Block Y3
//
$for(8,0; <16; 2,1) {
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}
}
End_add_Error_16x16_Y:
add (1) PERROR_UD<1>:ud PERROR_UD:ud 0x01800180:ud // Pointers to Y3 error block
// End of add_Error_16x16_Y
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