/*
* All Video Processing kernels
* Copyright © <2010>, Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* This file was originally licensed under the following license
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
// Module name: PA_Load_8x8.asm
//----------------------------------------------------------------
#define PA_LOAD_8x8
#include "PA_Load.inc"
// Load 16x8 packed 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 rMSGSRC.0<0;1,0>:w 1:w // H. block origin need to be doubled
mov (1) rMSGSRC.2<1>:ud nDPR_BLOCK_SIZE_YUV:ud // 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
// Unpack to "planar" YUV422 format in word-aligned bytes
add (4) pCF_Y_OFFSET<1>:uw ubSRC_CF_OFFSET<4;4,1>:ub nSRC_YUV_REG*nGRFWIB:w // Initial Y,U,V offset in YUV422 block
$for(0; <nY_NUM_OF_ROWS; 1) {
mov (16) uwDEST_Y(0, %1*16)<1> r[pCF_Y_OFFSET, %1*nGRFWIB]REGION(16,2)
mov (8) uwDEST_U(0, %1*8)<1> r[pCF_U_OFFSET, %1*nGRFWIB]REGION(8,4)
mov (8) uwDEST_V(0, %1*8)<1> r[pCF_V_OFFSET, %1*nGRFWIB]REGION(8,4)
}
// End of PA_Load_8x8