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/*
* 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: PL8x8_Save_P208.asm
//
// Save entire current planar frame data block of size 16x8
//---------------------------------------------------------------
// Symbols needed to be defined before including this module
//
// DWORD_ALIGNED_DEST: only if DEST_Y, DEST_U, DEST_V data are DWord aligned
// ORIX:
//---------------------------------------------------------------
#include "PL8x8_Save_P208.inc"
mov (8) mMSGHDR<1>:ud rMSGSRC<8;8,1>:ud
#if !defined(SAVE_UV_ONLY)
// Save current planar frame Y block data (16x8) -------------------------------
mov (2) mMSGHDR.0<1>:d wORIX<2;2,1>:w // Block origin
mov (1) mMSGHDR.2<1>:ud nDPW_BLOCK_SIZE_Y:ud // Block width and height (16x8)
WritePlanarToDataPort:
$for(0,0; <nY_NUM_OF_ROWS; 2,1) {
mov (16) mubMSGPAYLOAD(%2,0)<1> ub2DEST_Y(%1)REGION(16,2)
mov (16) mubMSGPAYLOAD(%2,16)<1> ub2DEST_Y(%1+1)REGION(16,2)
}
send (8) dNULLREG mMSGHDR udDUMMY_NULL nDATAPORT_WRITE nDPMW_MSGDSC+nDPW_MSG_SIZE_Y+nBI_DESTINATION_Y:ud
#endif
//** Save 8x8 packed U and V -----------------------------------------------------
// we could write directly wORIX to mMSGHDR and then execute asr on it, that way we could
// avoid using rMSGSRC as a buffer and have one command less in code, but it is unknown whether
//it is possible to do asr on mMSGHDR so we use rMSGSRC.
mov (2) rMSGSRC.0<1>:d wORIX<2;2,1>:w // Block origin
mov (1) rMSGSRC.2<1>:ud nDPW_BLOCK_SIZE_UV:ud // U/V block width and height (16x4)
mov (8) mMSGHDR<1>:ud rMSGSRC<8;8,1>:ud
$for(0,0; <nY_NUM_OF_ROWS;2,1) {
mov (16) mubMSGPAYLOAD(%2,0)<2> ub2DEST_U(%2)REGION(16,2)
mov (16) mubMSGPAYLOAD(%2,1)<2> ub2DEST_V(%2)REGION(16,2)
}
send (8) dNULLREG mMSGHDR udDUMMY_NULL nDATAPORT_WRITE nDPMW_MSGDSC+nDPW_MSG_SIZE_UV+nBI_DESTINATION_UV:ud
//End of PL8x8_Save_P208.asm
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