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  1. /*
  2.  * All Video Processing kernels
  3.  * Copyright © <2010>, Intel Corporation.
  4.  *
  5.  * This program is licensed under the terms and conditions of the
  6.  * Eclipse Public License (EPL), version 1.0.  The full text of the EPL is at
  7.  * http://www.opensource.org/licenses/eclipse-1.0.php.
  8.  *
  9.  */
  10.  
  11. // Module name: P208_Load_9x8.asm
  12. //----------------------------------------------------------------
  13.  
  14. #define  P208_LOAD_9x8
  15. #include "PL2_Load.inc"
  16.  
  17.     add  (2) rMSGSRC.0<1>:d     wORIX<2;2,1>:w    wSRC_H_ORI_OFFSET<2;2,1>:w       // Source Y Block origin
  18.  
  19. // Load 16x8 P208 Y ------------------------------------------------------------
  20. #if !defined(LOAD_UV_ONLY)
  21.     mov  (1) rMSGSRC.2<1>:ud    nDPR_BLOCK_SIZE_Y:ud                               // Y block width and height (16x8)
  22.     mov  (8) mMSGHDRY<1>:ud     rMSGSRC<8;8,1>:ud
  23.     send (8) udSRC_Y(0)<1>      mMSGHDRY    udDUMMY_NULL    nDATAPORT_READ    nDPMR_MSGDSC+nDPR_MSG_SIZE_Y+nBI_CURRENT_SRC_Y:ud
  24. #endif
  25.  
  26.         // Load 16x8 planar UV -----------------------------------------------------
  27.     mov  (1) rMSGSRC.2<1>:ud    nDPR_BLOCK_SIZE_UV:ud          // U/V block width and height (20x8)
  28.     mov  (8) mMSGHDRU<1>:ud     rMSGSRC<8;8,1>:ud
  29.     send (8) udSRC_U(0)<1>      mMSGHDRU    udDUMMY_NULL    nDATAPORT_READ    nDPMR_MSGDSC+nDPR_MSG_SIZE_UV+nBI_CURRENT_SRC_UV:ud
  30.  
  31. // Convert to word-aligned format ----------------------------------------------
  32. #if !defined(LOAD_UV_ONLY)
  33.     $for (0; <nY_NUM_OF_ROWS; 1) {
  34.         mov     (16)    uwDEST_Y(0,%1*16)       ubSRC_Y(0,%1*16)
  35.     }
  36. #endif
  37.     $for (0; <nUV_NUM_OF_ROWS; 1) {
  38.         mov     (16)    uwDEST_U(0,%1*16)       ubSRC_U(0,%1*32)<32;16,2>
  39.         mov     (16)    uwDEST_V(0,%1*16)       ubSRC_U(0,%1*32+1)<32;16,2>
  40.     }
  41.  
  42. // End of P208_Load_9x8.asm
  43.