/*
* All Video Processing kernels
* Copyright © <2010>, Intel Corporation.
*
* This program is licensed under the terms and conditions of the
* Eclipse Public License (EPL), version 1.0. The full text of the EPL is at
* http://www.opensource.org/licenses/eclipse-1.0.php.
*
*/
// Module name: NV12_Load_8x5.asm
//----------------------------------------------------------------
#define NV12_LOAD_8x5
#include "PL2_Load.inc"
// Load 16x8 planar Y ----------------------------------------------------------
add (2) rMSGSRC.0<1>:d wORIX<2;2,1>:w wSRC_H_ORI_OFFSET<2;2,1>:w // Source Y Block origin
#if !defined(LOAD_UV_ONLY)
mov (1) rMSGSRC.2<1>:ud nDPR_BLOCK_SIZE_Y:ud // Y block width and height (16x8)
mov (8) mMSGHDRY<1>:ud rMSGSRC<8;8,1>:ud
send (8) udSRC_Y(0)<1> mMSGHDRY udDUMMY_NULL nDATAPORT_READ nDPMR_MSGDSC+nDPR_MSG_SIZE_Y+nBI_CURRENT_SRC_Y:ud
#endif
// Load 8x5 planar U and V -----------------------------------------------------
asr (1) rMSGSRC.1<1>:d rMSGSRC.1<0;1,0>:d 1:w // U/V block origin should be half of Y's
mov (1) rMSGSRC.2<1>:ud nDPR_BLOCK_SIZE_UV:ud // U/V block width and height (16x5)
mov (8) mMSGHDRU<1>:ud rMSGSRC<8;8,1>:ud
send (8) udSRC_U(0)<1> mMSGHDRU udDUMMY_NULL nDATAPORT_READ nDPMR_MSGDSC+nDPR_MSG_SIZE_UV+nBI_CURRENT_SRC_UV:ud
// Convert to word-aligned format ----------------------------------------------
#if !defined(LOAD_UV_ONLY)
$for (nY_NUM_OF_ROWS-1; >-1; -1) {
mov (16) uwDEST_Y(0,%1*16)<1> ubSRC_Y(0,%1*16)
}
#endif
$for (nUV_NUM_OF_ROWS/2-1; >-1; -1) {
mov (16) uwDEST_U(0,%1*16)<1> ubSRC_U(0,%1*32)<16;8,2>
mov (16) uwDEST_V(0,%1*16)<1> ubSRC_U(0,%1*32+1)<16;8,2>
}
// End of NV12_Load_8x5