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  1. /*
  2.  * All Video Processing kernels
  3.  * Copyright © <2010>, Intel Corporation.
  4.  *
  5.  * Permission is hereby granted, free of charge, to any person obtaining a
  6.  * copy of this software and associated documentation files (the
  7.  * "Software"), to deal in the Software without restriction, including
  8.  * without limitation the rights to use, copy, modify, merge, publish,
  9.  * distribute, sub license, and/or sell copies of the Software, and to
  10.  * permit persons to whom the Software is furnished to do so, subject to
  11.  * the following conditions:
  12.  *
  13.  * The above copyright notice and this permission notice (including the
  14.  * next paragraph) shall be included in all copies or substantial portions
  15.  * of the Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  20.  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  21.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24.  *
  25.  * This file was originally licensed under the following license
  26.  *
  27.  *  Licensed under the Apache License, Version 2.0 (the "License");
  28.  *  you may not use this file except in compliance with the License.
  29.  *  You may obtain a copy of the License at
  30.  *
  31.  *      http://www.apache.org/licenses/LICENSE-2.0
  32.  *
  33.  *  Unless required by applicable law or agreed to in writing, software
  34.  *  distributed under the License is distributed on an "AS IS" BASIS,
  35.  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  36.  *  See the License for the specific language governing permissions and
  37.  *  limitations under the License.
  38.  *
  39.  */
  40.  
  41.  
  42. // Module name: PL8x8_Save_P208.asm
  43. //
  44. // Save entire current planar frame data block of size 16x8
  45. //---------------------------------------------------------------
  46. //  Symbols needed to be defined before including this module
  47. //
  48. //      DWORD_ALIGNED_DEST:     only if DEST_Y, DEST_U, DEST_V data are DWord aligned
  49. //      ORIX:
  50. //---------------------------------------------------------------
  51.  
  52. #include "PL8x8_Save_P208.inc"
  53.  
  54.     mov  (8) mMSGHDR<1>:ud      rMSGSRC<8;8,1>:ud
  55.  
  56. #if !defined(SAVE_UV_ONLY)
  57. // Save current planar frame Y block data (16x8) -------------------------------
  58.  
  59.     mov  (2) mMSGHDR.0<1>:d     wORIX<2;2,1>:w          // Block origin
  60.     mov  (1) mMSGHDR.2<1>:ud    nDPW_BLOCK_SIZE_Y:ud    // Block width and height (16x8)
  61.  
  62. WritePlanarToDataPort:
  63.     $for(0,0; <nY_NUM_OF_ROWS; 2,1) {
  64.             mov (16) mubMSGPAYLOAD(%2,0)<1>     ub2DEST_Y(%1)REGION(16,2)
  65.             mov (16) mubMSGPAYLOAD(%2,16)<1>    ub2DEST_Y(%1+1)REGION(16,2)
  66.     }
  67.     send (8)    dNULLREG    mMSGHDR   udDUMMY_NULL    nDATAPORT_WRITE    nDPMW_MSGDSC+nDPW_MSG_SIZE_Y+nBI_DESTINATION_Y:ud
  68. #endif
  69.    
  70. //** Save  8x8 packed U and V -----------------------------------------------------
  71. // we could write directly wORIX to mMSGHDR and then execute asr on it, that way we could
  72. // avoid using rMSGSRC as a buffer and have one command less in code, but it is unknown whether
  73. //it is possible to do asr on mMSGHDR so we use rMSGSRC.
  74.     mov (2)  rMSGSRC.0<1>:d    wORIX<2;2,1>:w             // Block origin
  75.                                                                                                        
  76.     mov (1)  rMSGSRC.2<1>:ud   nDPW_BLOCK_SIZE_UV:ud      // U/V block width and height (16x4)
  77.     mov (8)  mMSGHDR<1>:ud     rMSGSRC<8;8,1>:ud
  78.  
  79.     $for(0,0; <nY_NUM_OF_ROWS;2,1) {
  80.         mov (16) mubMSGPAYLOAD(%2,0)<2>     ub2DEST_U(%2)REGION(16,2)
  81.         mov (16) mubMSGPAYLOAD(%2,1)<2>     ub2DEST_V(%2)REGION(16,2)
  82.     }
  83.     send (8)    dNULLREG    mMSGHDR    udDUMMY_NULL    nDATAPORT_WRITE    nDPMW_MSGDSC+nDPW_MSG_SIZE_UV+nBI_DESTINATION_UV:ud
  84.  
  85. //End of PL8x8_Save_P208.asm  
  86.  
  87.