/*
* Initialize parameters
* 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.
*
*/
// Kernel name: Initialize_MBPara.asm
//
//#if !defined(__INITIALIZE_MBPARA__) // Make sure this is only included once
//#define __INITIALIZE_MBPARA__
// WA for weighted prediction - 2007/09/06 // shlee
// mov (1) guwW128(0)<1> guwR1(0)<0;1,0> // Copy the unique number indicating weight/offset=(128,0)
// MB Type Category
// 1 B_L0_16x16
// 2 B_L1_16x16
// 3 B_Bi_16x16
// 4 B_L0_L0_16x8
// 5 B_L0_L0_8x16
// 6 B_L1_L1_16x8
// 7 B_L1_L1_8x16
// 8 B_L0_L1_16x8
// 9 B_L0_L1_8x16
// 10 B_L1_L0_16x8
// 11 B_L1_L0_8x16
// 12 B_L0_Bi_16x8
// 13 B_L0_Bi_8x16
// 14 B_L1_Bi_16x8
// 15 B_L1_Bi_8x16
// 16 B_Bi_L0_16x8
// 17 B_Bi_L0_8x16
// 18 B_Bi_L1_16x8
// 19 B_Bi_L1_8x16
// 20 B_Bi_Bi_16x8
// 21 B_Bi_Bi_8x16
// 22 B_8x8
// TODO:
// Initialize interpolation area to eliminate uninitialized registers making the results of mac instructions XX.
// This issue was reported by Sharath on 5/25/2006, and why multiplication by zero still yields XX has not been understood yet.
#if 0
mov (16) gudINTPY0(0)<1> 0:ud {Compr}
mov (16) gudINTPY0(2)<1> 0:ud {Compr}
mov (16) gudINTPY1(0)<1> 0:ud {Compr}
mov (16) gudINTPY1(2)<1> 0:ud {Compr}
mov (16) gudINTPC0(0)<1> 0:ud {Compr}
mov (16) gudINTPC1(0)<1> 0:ud {Compr}
#endif
mov (1) gMVSTEP:w 0:w // Address increament for MV read
cmp.e.f0.0 (1) null:w gwMBTYPE<0;1,0> 22:w
(-f0.0) jmpi INTERLABEL(NOT_8x8_MODE)
//--- 8x8 mode
// Starting address of error data blocks
cmp.e.f0.1 (2) null<1>:w gSUBMB_SHAPE<0;1,0>:ub 0:w
(f0.1) jmpi INTERLABEL(CONVERT_MVS)
// Note: MVs and Weights/Offsets are already expanded by HW or driver
// MV conversion - Convert each MV to absolute coord. (= MV + MB org. + block offset)
shl (16) gwTEMP(0)<1> gX<0;2,1>:w 2:w // Convert MB origin to 1/4-pel unit
mov (1) gMVSTEP:w 24:w // Address increament for MV read
add (2) gwTEMP(0,4)<2> gwTEMP(0,4)<4;2,2> 16:w
add (2) gwTEMP(0,9)<2> gwTEMP(0,9)<4;2,2> 16:w
add (4) gwTEMP(0,12)<1> gwTEMP(0,12)<4;4,1> 16:w
add (16) gMV<1>:w gMV<16;16,1>:w gwTEMP(0)<16;16,1>
add (8) gwTEMP(0)<2> gwTEMP(0)<16;8,2> 32:w
add (16) gwMV(1,0)<1> gwMV(1,0)<16;16,1> gwTEMP(0)<16;16,1>
add (8) gwTEMP(0,1)<2> gwTEMP(0,1)<16;8,2> 32:w
add (16) gwMV(3,0)<1> gwMV(3,0)<16;16,1> gwTEMP(0)<16;16,1>
add (8) gwTEMP(0)<2> gwTEMP(0)<16;8,2> -32:w
add (16) gwMV(2,0)<1> gwMV(2,0)<16;16,1> gwTEMP(0)<16;16,1>
jmpi INTERLABEL(INIT_ADDRESS_REGS)
INTERLABEL(NOT_8x8_MODE):
//--- !8x8 mode (16x16, 16x8, 8x16)
// MVs and Weights/Offsets are expanded
cmp.le.f0.1 (8) null<1>:w gwMBTYPE<0;1,0> 3:w // Check 16x16
mov (1) gSUBMB_SHAPE:ub 0:uw // subMB shape
(f0.1) mov (8) gMV<1>:d gMV<0;2,1>:d
(f0.1) mov (8) gdWGT(1,0)<1> gWGT<0;4,1>:d
(f0.1) mov (4) gdWGT(0,4)<1> gWGT<4;4,1>:d
INTERLABEL(CONVERT_MVS):
// MV conversion - Convert each MV to absolute coord. (= MV + MB org. + block offset)
shl (2) gwTEMP(0)<1> gX<2;2,1>:w 2:w // Convert MB origin to 1/4-pel unit
add (16) gMV<1>:w gMV<16;16,1>:w gwTEMP(0)<0;2,1>
add (2) gwMV(0,4)<2> gwMV(0,4)<4;2,2> 32:w //{NoDDClr}
add (2) gwMV(0,9)<2> gwMV(0,9)<4;2,2> 32:w //{NoDDChk,NoDDClr}
add (4) gwMV(0,12)<1> gwMV(0,12)<4;4,1> 32:w //{NoDDChk}
INTERLABEL(INIT_ADDRESS_REGS):
// Initialize the address registers
mov (2) pERRORYC:ud nOFFSET_ERROR:ud {NoDDClr} // Address of Y and C error blocks
mov (1) pRECON_MV:ud nOFFSET_RECON_MV:ud {NoDDChk,NoDDClr} // Address of recon area and motion vectors
mov (1) pWGT_BIDX:ud nOFFSET_WGT_BIDX:ud {NoDDChk} // Address of weights/offsets and binding tbl idx
// Read the parity of the current field (gPARITY - 0:top, 1:bottom, 3:frame)
// and set message descriptor for frame/field write
#if defined(MBAFF)
and.nz.f0.0 (1) null:uw gFIELDMBFLAG:ub nFIELDMB_MASK:uw
(f0.0) and (1) gPARITY:uw gMBPARITY:ub nMBPARITY_MASK:uw
(-f0.0) mov (1) gPARITY:uw 3:uw
#elif defined(FIELD)
and (1) gPARITY:uw gMBPARITY:ub nMBPARITY_MASK:uw
#endif
//#endif // !defined(__INITIALIZE_MBPARA__)