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  1. /*
  2.  * Save decoded Y picture data to frame buffer
  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. #if !defined(__SAVE_16X16_Y__)          // Make sure this is only included once
  41. #define __SAVE_16X16_Y__
  42.  
  43. // Module name: save_16x16_Y.asm
  44. //
  45. // Save decoded Y picture data to frame buffer
  46. //
  47.  
  48. save_16x16_Y:
  49.  
  50.     mov (1) MSGSRC.2:ud         0x000F000F:ud {NoDDClr}         // Block width and height (16x16)
  51.     mov (2) MSGSRC.0:ud         I_ORIX<2;2,1>:w {NoDDChk}       // X, Y offset
  52. #ifdef DEV_ILK
  53.     add (1)             MSGDSC  MSGDSC MSG_LEN(8)+DWBWMSGDSC_WC-DWBRMSGDSC_RC-0x00200000:ud  // Set message descriptor
  54. #else
  55.     add (1)             MSGDSC  MSGDSC MSG_LEN(8)+DWBWMSGDSC_WC-DWBRMSGDSC_RC-0x00020000:ud  // Set message descriptor
  56. #endif  // DEV_ILK
  57.  
  58.     mov (1) PDECBUF_UD<1>:ud    0x10001*DECBUF*GRFWIB+0x00400000:ud     // Pointers to row 0 and 2 of decoded data
  59.  
  60.     $for(0,0; <8; 2,4) {
  61.         mov (32)        MSGPAYLOAD(%1)<1>       r[PDECBUF, %2*GRFWIB]REGION(16,2) {Compr}               // Block Y0/Y2
  62.         mov (32)        MSGPAYLOAD(%1,16)<1>    r[PDECBUF, (1+%2)*GRFWIB]REGION(16,2) {Compr}   // Block Y1/Y3
  63.     }
  64.  
  65. //  Update message descriptor based on previous read setup
  66. //
  67.     send (8)    REG_WRITE_COMMIT_Y<1>:ud        MSGHDR  MSGSRC<8;8,1>:ud        DAPWRITE        MSGDSC
  68.  
  69.     RETURN
  70. // End of save_16x16_Y
  71.  
  72. #endif  // !defined(__SAVE_16X16_Y__)
  73.