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/*
* 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.
*
*/
////////// AVC ILDB filter horizontal Mbaff UV ///////////////////////////////////////////////////////
//
// This filter code prepares the src data and control data for ILDB filtering on all horizontal edges of UV.
//
// It sssumes the data for horizontal de-blocking is already transposed.
//
// Chroma:
//
// +-------+-------+ H0 Edge
// | | |
// | | |
// | | |
// +-------+-------+ H1 Edge
// | | |
// | | |
// | | |
// +-------+-------+
//
/////////////////////////////////////////////////////////////////////////////
#if defined(_DEBUG)
mov (1) EntrySignatureC:w 0xBBBC:w
#endif
//=============== Chroma deblocking ================
//---------- Deblock UV external top edge ----------
and.z.f0.0 (1) null:w r[ECM_AddrReg, BitFlags]:ub FilterTopMbEdgeFlag:w // Check for FilterTopMbEdgeFlag
mov (1) f0.1:w DualFieldMode:w // Check for dual field mode
// Get Luma maskA and maskB
shr (16) TempRow0(0)<1> r[ECM_AddrReg, wEdgeCntlMapA_ExtTopHorz0]<0;1,0>:uw RRampW(0)
shr (16) TempRow1(0)<1> r[ECM_AddrReg, wEdgeCntlMapB_ExtTopHorz0]<0;1,0>:uw RRampW(0)
(f0.0) jmpi H0_UV_DONE // Skip H0 UV edge
(f0.1) jmpi DUAL_FIELD_UV
// Non dual field mode
// Extract UV MaskA and MaskB from every other bit of Y masks
and.nz.f0.0 (8) null:w TempRow0(0)<16;8,2> 1:w
and.nz.f0.1 (8) null:w TempRow1(0)<16;8,2> 1:w
// Ext U
// p1 = Prev MB U row 0
// p0 = Prev MB U row 1
// q0 = Cur MB U row 0
// q1 = Cur MB U row 1
mov (1) P_AddrReg:w PREV_MB_U_BASE:w { NoDDClr }
mov (1) Q_AddrReg:w SRC_MB_U_BASE:w { NoDDChk }
mov (8) Mbaff_ALPHA(0,0)<1> r[ECM_AddrReg, bAlphaTop0_Cb]<0;1,0>:ub
mov (8) Mbaff_BETA(0,0)<1> r[ECM_AddrReg, bBetaTop0_Cb]<0;1,0>:ub
mov (8) Mbaff_TC0(0,0)<1> r[ECM_AddrReg, bTc0_h00_0_Cb]<1;2,0>:ub
// Store UV MaskA and MaskB
mov (2) MaskA<1>:uw f0.0<2;2,1>:uw
CALL(FILTER_UV_MBAFF, 1)
// Ext V
mov (1) P_AddrReg:w PREV_MB_V_BASE:w { NoDDClr }
mov (1) Q_AddrReg:w SRC_MB_V_BASE:w { NoDDChk }
mov (8) Mbaff_ALPHA(0,0)<1> r[ECM_AddrReg, bAlphaTop0_Cr]<0;1,0>:ub
mov (8) Mbaff_BETA(0,0)<1> r[ECM_AddrReg, bBetaTop0_Cr]<0;1,0>:ub
mov (8) Mbaff_TC0(0,0)<1> r[ECM_AddrReg, bTc0_h00_0_Cr]<1;2,0>:ub
// Set UV MaskA and MaskB
mov (2) f0.0<1>:uw MaskA<2;2,1>:uw
CALL(FILTER_UV_MBAFF, 1)
jmpi H0_UV_DONE
DUAL_FIELD_UV:
// Dual field mode, FieldModeCurrentMbFlag=0 && FieldModeAboveMbFlag=1
//===== Ext U, Top field
// Extract UV MaskA and MaskB from every other bit of Y masks
and.nz.f0.0 (8) null:w TempRow0(0)<16;8,2> 1:w
and.nz.f0.1 (8) null:w TempRow1(0)<16;8,2> 1:w
mov (1) P_AddrReg:w ABOVE_CUR_MB_BASE:w { NoDDClr }
mov (1) Q_AddrReg:w ABOVE_CUR_MB_BASE+32:w { NoDDChk }
mov (16) ABOVE_CUR_MB_UW(0)<1> PREV_MB_UW(0, 0)<16;8,1> // Copy p1, p0
mov (16) ABOVE_CUR_MB_UW(1)<1> SRC_UW(0, 0)<16;8,1> // Copy q1, q0
//===== Ext U, top field
mov (8) Mbaff_ALPHA(0,0)<1> r[ECM_AddrReg, bAlphaTop0_Cb]<0;1,0>:ub
mov (8) Mbaff_BETA(0,0)<1> r[ECM_AddrReg, bBetaTop0_Cb]<0;1,0>:ub
mov (8) Mbaff_TC0(0,0)<1> r[ECM_AddrReg, bTc0_h00_0_Cb]<1;2,0>:ub
// Store UV MaskA and MaskB
mov (2) MaskA<1>:uw f0.0<2;2,1>:uw
CALL(FILTER_UV_MBAFF, 1) // Ext U, top field
//===== Ext V, top field
mov (1) P_AddrReg:w ABOVE_CUR_MB_BASE+1:w { NoDDClr }
mov (1) Q_AddrReg:w ABOVE_CUR_MB_BASE+33:w { NoDDChk }
mov (8) Mbaff_ALPHA(0,0)<1> r[ECM_AddrReg, bAlphaTop0_Cr]<0;1,0>:ub
mov (8) Mbaff_BETA(0,0)<1> r[ECM_AddrReg, bBetaTop0_Cr]<0;1,0>:ub
mov (8) Mbaff_TC0(0,0)<1> r[ECM_AddrReg, bTc0_h00_0_Cr]<1;2,0>:ub
// Set UV MaskA and MaskB
mov (2) f0.0<1>:uw MaskA<2;2,1>:uw
CALL(FILTER_UV_MBAFF, 1) // Ext U, top field
// Prefetch for bottom field
// Get bot field Luma maskA and maskB
shr (16) TempRow0(0)<1> r[ECM_AddrReg, wEdgeCntlMapA_ExtTopHorz1]<0;1,0>:uw RRampW(0)
shr (16) TempRow1(0)<1> r[ECM_AddrReg, wEdgeCntlMapB_ExtTopHorz1]<0;1,0>:uw RRampW(0)
// Save deblocked top field rows
mov (8) PREV_MB_UW(1, 0)<1> ABOVE_CUR_MB_UW(0, 8) // Copy p0
mov (8) SRC_UW(0, 0)<1> ABOVE_CUR_MB_UW(1, 0) // Copy q0
//==========================================================================
//===== Ext U, Bot field
// Extract UV MaskA and MaskB from every other bit of Y masks
and.nz.f0.0 (8) null:w TempRow0(0)<16;8,2> 1:w
and.nz.f0.1 (8) null:w TempRow1(0)<16;8,2> 1:w
mov (1) P_AddrReg:w ABOVE_CUR_MB_BASE:w { NoDDClr }
mov (1) Q_AddrReg:w ABOVE_CUR_MB_BASE+32:w { NoDDChk }
mov (16) ABOVE_CUR_MB_UW(0)<1> PREV_MB_UW(0, 8)<16;8,1> // Copy p1, p0
mov (16) ABOVE_CUR_MB_UW(1)<1> SRC_UW(0, 8)<16;8,1> // Copy q1, q0
//===== Ext U, bottom field
mov (8) Mbaff_ALPHA(0,0)<1> r[ECM_AddrReg, bAlphaTop1_Cb]<0;1,0>:ub
mov (8) Mbaff_BETA(0,0)<1> r[ECM_AddrReg, bBetaTop1_Cb]<0;1,0>:ub
mov (8) Mbaff_TC0(0,0)<1> r[ECM_AddrReg, bTc0_h00_1_Cb]<1;2,0>:ub
// Store UV MaskA and MaskB
mov (2) MaskA<1>:uw f0.0<2;2,1>:uw
CALL(FILTER_UV_MBAFF, 1) // Ext U, bottom field
//===== Ext V, bot field
mov (1) P_AddrReg:w ABOVE_CUR_MB_BASE+1:w { NoDDClr }
mov (1) Q_AddrReg:w ABOVE_CUR_MB_BASE+33:w { NoDDChk }
mov (8) Mbaff_ALPHA(0,0)<1> r[ECM_AddrReg, bAlphaTop1_Cr]<0;1,0>:ub
mov (8) Mbaff_BETA(0,0)<1> r[ECM_AddrReg, bBetaTop1_Cr]<0;1,0>:ub
mov (8) Mbaff_TC0(0,0)<1> r[ECM_AddrReg, bTc0_h00_1_Cr]<1;2,0>:ub
// Set UV MaskA and MaskB
mov (2) f0.0<1>:uw MaskA<2;2,1>:uw
CALL(FILTER_UV_MBAFF, 1) // Ext V, bottom field
// Save deblocked bot field rows
mov (8) PREV_MB_UW(1, 8)<1> ABOVE_CUR_MB_UW(0, 8) // Copy p0
mov (8) SRC_UW(0, 8)<1> ABOVE_CUR_MB_UW(1, 0) // Copy q0
//========================================
H0_UV_DONE:
//---------- Deblock U internal horz middle edge ----------
//***** Need to take every other bit to form U maskA in core
shr (16) TempRow0(0)<1> r[ECM_AddrReg, wEdgeCntlMap_IntMidHorz]<0;1,0>:uw RRampW(0)
// p1 = Cur MB U row 2
// p0 = Cur MB U row 3
// q0 = Cur MB U row 4
// q1 = Cur MB U row 5
mov (1) P_AddrReg:w 4*UV_ROW_WIDTH+SRC_MB_U_BASE:w { NoDDClr }
mov (1) Q_AddrReg:w 8*UV_ROW_WIDTH+SRC_MB_U_BASE:w { NoDDChk }
mov (8) Mbaff_ALPHA(0,0)<1> r[ECM_AddrReg, bAlphaInternal_Cb]<0;1,0>:ub
mov (8) Mbaff_BETA(0,0)<1> r[ECM_AddrReg, bBetaInternal_Cb]<0;1,0>:ub
mov (8) Mbaff_TC0(0,0)<1> r[ECM_AddrReg, bTc0_h20_Cb]<1;2,0>:ub
and.nz.f0.0 (8) null:w TempRow0(0)<16;8,2> 1:w
// Store UV MaskA and MaskB
mov (1) f0.1:uw 0:w
mov (1) MaskB:uw 0:w { NoDDClr }
mov (1) MaskA:uw f0.0:uw { NoDDChk }
CALL(FILTER_UV_MBAFF, 1)
//-----------------------------------------------
//---------- Deblock V internal horz middle edge ----------
// p1 = Cur MB V row 2
// p0 = Cur MB V row 3
// q0 = Cur MB V row 4
// q1 = Cur MB V row 5
mov (1) P_AddrReg:w 4*UV_ROW_WIDTH+SRC_MB_V_BASE:w { NoDDClr }
mov (1) Q_AddrReg:w 8*UV_ROW_WIDTH+SRC_MB_V_BASE:w { NoDDChk }
mov (8) Mbaff_ALPHA(0,0)<1> r[ECM_AddrReg, bAlphaInternal_Cr]<0;1,0>:ub
mov (8) Mbaff_BETA(0,0)<1> r[ECM_AddrReg, bBetaInternal_Cr]<0;1,0>:ub
mov (8) Mbaff_TC0(0,0)<1> r[ECM_AddrReg, bTc0_h20_Cr]<1;2,0>:ub
// Set UV MaskA and MaskB
mov (2) f0.0<1>:uw MaskA<2;2,1>:uw
CALL(FILTER_UV_MBAFF, 1)
//-----------------------------------------------
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