/*
* 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: save_Cur_Y_16x16.asm
//
// Save a Y 16x16 block
//
//----------------------------------------------------------------
// Symbols need to be defined before including this module
//
// Source region in :ud
// SRC_YD: SRC_YD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud // 8 GRFs
//
// Binding table index:
// BI_DEST_Y: Binding table index of Y surface
//
//----------------------------------------------------------------
#if defined(_DEBUG)
mov (1) EntrySignatureC:w 0xDDD4:w
#endif
and.z.f0.0 (1) null:w r[ECM_AddrReg, BitFlags]:ub FieldModeCurrentMbFlag:w
and.nz.f0.1 (1) NULLREGW BitFields:w BotFieldFlag:w
mov (2) MSGSRC.0<1>:ud ORIX_CUR<2;2,1>:w { NoDDClr } // Block origin
mov (1) MSGSRC.2<1>:ud 0x000F000F:ud { NoDDChk } // Block width and height (16x16 or 12x16)
// Pack Y
mov (16) MSGPAYLOADD(0)<1> SRC_YD(0) // Compressed inst
mov (16) MSGPAYLOADD(2)<1> SRC_YD(2)
mov (16) MSGPAYLOADD(4)<1> SRC_YD(4)
mov (16) MSGPAYLOADD(6)<1> SRC_YD(6)
// Set message descriptor
(f0.0) if (1) ELSE_Y_16x16
// Frame picture
mov (1) MSGDSC MSG_LEN(8)+DWBWMSGDSC+BI_DEST_Y:ud // Write 8 GRFs to DEST_Y
(f0.1) add (1) MSGSRC.1:d MSGSRC.1:d 16:w // Add vertical offset 16 for bot MB in MBAFF mode
ELSE_Y_16x16:
else (1) ENDIF_Y_16x16
// Field picture
(f0.1) mov (1) MSGDSC MSG_LEN(8)+DWBWMSGDSC+ENMSGDSCBF+BI_DEST_Y:ud // Write 8 GRFs to DEST_Y bottom field
(-f0.1) mov (1) MSGDSC MSG_LEN(8)+DWBWMSGDSC+ENMSGDSCTF+BI_DEST_Y:ud // Write 8 GRFs to DEST_Y top field
asr (1) MSGSRC.1:d MSGSRC.1:d 1:w // Reduce y by half in field access mode
endif
ENDIF_Y_16x16:
send (8) null:ud MSGHDR MSGSRC<8;8,1>:ud DAPWRITE MSGDSC
// End of save_Cur_Y_16x16.asm