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  1. /*
  2.  * Copyright © <2010>, Intel Corporation.
  3.  *
  4.  * Permission is hereby granted, free of charge, to any person obtaining a
  5.  * copy of this software and associated documentation files (the
  6.  * "Software"), to deal in the Software without restriction, including
  7.  * without limitation the rights to use, copy, modify, merge, publish,
  8.  * distribute, sub license, and/or sell copies of the Software, and to
  9.  * permit persons to whom the Software is furnished to do so, subject to
  10.  * the following conditions:
  11.  *
  12.  * The above copyright notice and this permission notice (including the
  13.  * next paragraph) shall be included in all copies or substantial portions
  14.  * of the Software.
  15.  *
  16.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  19.  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  20.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  21.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  22.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23.  *
  24.  * This file was originally licensed under the following license
  25.  *
  26.  *  Licensed under the Apache License, Version 2.0 (the "License");
  27.  *  you may not use this file except in compliance with the License.
  28.  *  You may obtain a copy of the License at
  29.  *
  30.  *      http://www.apache.org/licenses/LICENSE-2.0
  31.  *
  32.  *  Unless required by applicable law or agreed to in writing, software
  33.  *  distributed under the License is distributed on an "AS IS" BASIS,
  34.  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  35.  *  See the License for the specific language governing permissions and
  36.  *  limitations under the License.
  37.  *
  38.  */
  39. // Module name: load_ILDB_Cntrl_Data_64DW.asm
  40. //
  41. // This module loads AVC ILDB 64DW control data for one MB for CLN.  
  42. //
  43. //----------------------------------------------------------------
  44. //  Symbols need to be defined before including this module
  45. //
  46. //      Source region in :ud
  47. //      CNTRL_DATA_D:   CNTRL_DATA_D Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud                       // 8 GRFs
  48. //
  49. //      Binding table index:
  50. //      BI_CNTRL_DATA:  Binding table index of control data surface
  51. //
  52. //----------------------------------------------------------------
  53.  
  54. // On CLN, MB control data in memory occupy 64 DWs.
  55.  
  56. #if defined(_MBAFF)
  57.         // We need to get control data offset for the bottom MB in mbaff mode.
  58.         // That is, set f0.1=1 if MbaffFlag==1 && BotFieldFlag==1
  59.         and (1) acc0.0:uw               BitFields:uw    MbaffFlag+BotFieldFlag:uw       // Mute all other bits
  60.         cmp.e.f0.1 (1) NULLREGW         acc0.0:uw       MbaffFlag+BotFieldFlag:uw       // Check mbaff and bot flags
  61. #endif          // CTemp1_W
  62.  
  63.     mov (2)     MSGSRC.0<1>:ud  ORIX_CUR<2;2,1>:uw                      { NoDDClr }                             // Block origin X,Y
  64.     mov (1)     MSGSRC.2<1>:ud  0x000F000F:ud                           { NoDDChk }                             // Block width and height (16x16=256 bytes)
  65.  
  66. #if defined(_MBAFF)
  67.         (f0.1) add (1) MSGSRC.1:ud      MSGSRC.1:ud             16:w    // +16 to the bottom MB control data (bot MB)
  68. #endif
  69.  
  70.     send (8) CNTRL_DATA_D(0)<1> MSGHDRY MSGSRC<8;8,1>:ud        DAPREAD RESP_LEN(8)+DWBRMSGDSC_SC+BI_CNTRL_DATA // Receive 8 GRFs
  71.        
  72. // End of load_ILDB_Cntrl_Data_64DW.asm
  73.