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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: save_Top_UV_8x2.asm
  40. //
  41. // Save UV 8x2 block (8x2U + 8x2V in NV12)
  42. //
  43. //----------------------------------------------------------------
  44. //  Symbols need to be defined before including this module
  45. //
  46. //      Source region in :ud
  47. //      SRC_UD:                 SRC_UD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud                     // 1 GRF
  48. //
  49. //      Binding table index:
  50. //      BI_DEST_UV:             Binding table index of UV surface (NV12)
  51. //
  52. //----------------------------------------------------------------
  53.  
  54. #if defined(_DEBUG)
  55.         mov             (1)             EntrySignatureC:w                       0xDDD5:w
  56. #endif
  57.        
  58. #if defined(_FIELD)
  59.     and.nz.f0.1 (1) NULLREGW    BitFields:w     BotFieldFlag:w                  // Get bottom field flag
  60. #endif
  61.  
  62.     mov (1)     MSGSRC.0:ud             ORIX_TOP:w                                      { NoDDClr }                             // Block origin
  63.     asr (1)     MSGSRC.1:ud             ORIY_TOP:w                      1:w             { NoDDClr, NoDDChk }    // NV12 U+V block origin y = half of Y comp
  64.     mov (1)     MSGSRC.2:ud             0x0001000F:ud                           { NoDDChk }                             // NV12 U+V block width and height (16x2)
  65.  
  66.         mov (8) MSGPAYLOADD(0,0)<1>             TOP_MB_UD(0)   
  67.        
  68.  
  69. #if defined(_PROGRESSIVE)
  70.         mov (1) MSGDSC  MSG_LEN(1)+DWBWMSGDSC_WC+BI_DEST_UV:ud
  71. //    send (8)  NULLREG         MSGHDR          MSGSRC<8;8,1>:ud        DWBWMSGDSC+0x00100000+BI_DEST_UV
  72. #endif
  73.  
  74. #if defined(_FIELD)
  75.         // Field picture
  76.     (f0.1) mov (1)      MSGDSC  MSG_LEN(1)+DWBWMSGDSC_WC+ENMSGDSCBF+BI_DEST_UV:ud  // Write 1 GRF to DEST_Y bottom field
  77.     (-f0.1) mov (1)     MSGDSC  MSG_LEN(1)+DWBWMSGDSC_WC+ENMSGDSCTF+BI_DEST_UV:ud  // Write 1 GRF to DEST_Y top field
  78.  
  79. #endif
  80.  
  81.     send (8)    WritebackResponse(0)<1>         MSGHDR  MSGSRC<8;8,1>:ud        DAPWRITE        MSGDSC
  82. // End of save_Top_UV_8x2.asm
  83.