0,0 → 1,53 |
/* |
* 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. |
* |
*/ |
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// Module name: AYUV_Load_16x8.asm |
//---------------------------------------------------------------- |
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#include "AYUV_Load_16x8.inc" |
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// In order to load 64x8 AYUV data (16x8 pixels), we need to divide the data |
// into two regions and load them separately. |
// |
// 32 byte 32 byte |
//|----------------|----------------| |
//| | | |
//| A | B |8 |
//| | | |
//| | | |
//|----------------|----------------| |
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// Load the first 32x8 data block |
// Packed data block should be loaded as 32x8 pixel block |
add (2) rMSGSRC.0<1>:d wORIX<2;2,1>:w wSRC_H_ORI_OFFSET<2;2,1>:w // Source Block origin |
shl (1) rMSGSRC.0<1>:d acc0:w 2:w { NoDDClr } // H. block origin need to be four times larger |
mov (1) rMSGSRC.2<1>:ud nDPR_BLOCK_SIZE_YUV:ud { NoDDChk } // Block width and height (32x8) |
mov (8) mMSGHDRY<1>:ud rMSGSRC<8;8,1>:ud |
send (8) udSRC_YUV(0)<1> mMSGHDRY udDUMMY_NULL nDATAPORT_READ nDPMR_MSGDSC+nDPR_MSG_SIZE_YUV+nBI_CURRENT_SRC_YUV:ud |
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//Load the second 32x8 data block |
// Offset the origin X - move to next 32 colomns |
add (1) rMSGSRC.0<1>:d rMSGSRC.0<0;1,0>:d 32:w // Increase X origin by 8 |
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// Size stays the same - 32x8 |
mov (8) mMSGHDRY<1>:ud rMSGSRC<8;8,1>:ud // Copy message description to message header |
send (8) udSRC_YUV(8)<1> mMSGHDRY udDUMMY_NULL nDATAPORT_READ nDPMR_MSGDSC+nDPR_MSG_SIZE_YUV+nBI_CURRENT_SRC_YUV:ud |
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// Give AYUV region addresses to address register |
mov (1) SRC_YUV_OFFSET<1>:ud 0x00400038*32:ud //Address registers contain starting addresses of two halves |
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//Directly move the data to destination |
$for(0; <nY_NUM_OF_ROWS; 1) { |
mov (16) uwDEST_Y(%1)<1> r[SRC_YUV_OFFSET,%1*32+2]<8,4>:ub |
mov (16) uwDEST_U(%1)<1> r[SRC_YUV_OFFSET,%1*32+1]<8,4>:ub |
mov (16) uwDEST_V(%1)<1> r[SRC_YUV_OFFSET,%1*32+0]<8,4>:ub |
} |
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