| ;// |
| ;// Copyright (C) 2007-2008 ARM Limited |
| ;// |
| ;// 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. |
| ;// |
| ;// |
| ;// |
| ;// File Name: armVCM4P10_DeblockingLuma_unsafe_s.s |
| ;// OpenMAX DL: v1.0.2 |
| ;// Revision: 12290 |
| ;// Date: Wednesday, April 9, 2008 |
| ;// |
| ;// |
| ;// |
| ;// |
| |
| INCLUDE omxtypes_s.h |
| INCLUDE armCOMM_s.h |
| |
| M_VARIANTS CortexA8 |
| |
| |
| IF CortexA8 |
| |
| pThresholds RN 5 |
| |
| ;// Pixels |
| dP_0 DN D4.U8 |
| dP_1 DN D5.U8 |
| dP_2 DN D6.U8 |
| dP_3 DN D7.U8 |
| dQ_0 DN D8.U8 |
| dQ_1 DN D9.U8 |
| dQ_2 DN D10.U8 |
| dQ_3 DN D11.U8 |
| |
| |
| ;// Filtering Decision |
| dAlpha DN D0.U8 |
| |
| dFilt DN D16.U8 |
| dAqflg DN D12.U8 |
| dApflg DN D17.U8 |
| |
| dAp0q0 DN D13.U8 |
| |
| ;// bSLT4 |
| dTC0 DN D18.U8 |
| dTC1 DN D19.U8 |
| dTC01 DN D18.U8 |
| |
| dTCs DN D31.S8 |
| dTC DN D31.U8 |
| |
| dMask_0 DN D14.U8 |
| dMask_1 DN D15.U8 |
| |
| dTemp DN D19.U8 |
| |
| ;// Computing P0,Q0 |
| qDq0p0 QN Q10.S16 |
| qDp1q1 QN Q11.S16 |
| qDelta QN Q10.S16 ; reuse qDq0p0 |
| dDelta DN D20.S8 |
| |
| |
| ;// Computing P1,Q1 |
| dRp0q0 DN D24.U8 |
| |
| dMaxP DN D23.U8 |
| dMinP DN D22.U8 |
| |
| dMaxQ DN D19.U8 |
| dMinQ DN D21.U8 |
| |
| dDeltaP DN D26.U8 |
| dDeltaQ DN D27.U8 |
| |
| qP_0n QN Q14.S16 |
| qQ_0n QN Q12.S16 |
| |
| dQ_0n DN D24.U8 |
| dQ_1n DN D25.U8 |
| dP_0n DN D29.U8 |
| dP_1n DN D30.U8 |
| |
| ;// bSGE4 |
| |
| qSp0q0 QN Q10.U16 |
| |
| qSp2q1 QN Q11.U16 |
| qSp0q0p1 QN Q12.U16 |
| qSp3p2 QN Q13.U16 |
| dHSp0q1 DN D28.U8 |
| |
| qSq2p1 QN Q11.U16 |
| qSp0q0q1 QN Q12.U16 |
| qSq3q2 QN Q13.U16 ;!! |
| dHSq0p1 DN D28.U8 ;!! |
| |
| qTemp1 QN Q11.U16 ;!!;qSp2q1 |
| qTemp2 QN Q12.U16 ;!!;qSp0q0p1 |
| |
| dP_0t DN D28.U8 ;!!;dHSp0q1 |
| dQ_0t DN D22.U8 ;!!;Temp1 |
| |
| dP_0n DN D29.U8 |
| dP_1n DN D30.U8 |
| dP_2n DN D31.U8 |
| |
| dQ_0n DN D24.U8 ;!!;Temp2 |
| dQ_1n DN D25.U8 ;!!;Temp2 |
| dQ_2n DN D28.U8 ;!!;dQ_0t |
| |
| ;// Register usage for - armVCM4P10_DeblockingLumabSLT4_unsafe |
| ;// |
| ;// Inputs - Pixels - p0-p3: D4-D7, q0-q3: D8-D11 |
| ;// - Filter masks - filt: D16, aqflg: D12, apflg: D17 |
| ;// - Additional Params - pThresholds: r5 |
| ;// |
| ;// Outputs - Pixels - P0-P1: D29-D30, Q0-Q1: D24-D25 |
| ;// - Additional Params - pThresholds: r5 |
| |
| ;// Registers Corrupted - D18-D31 |
| |
| |
| M_START armVCM4P10_DeblockingLumabSLT4_unsafe |
| |
| |
| ;// qDq0p0-10 |
| VSUBL qDp1q1, dP_1, dQ_1 |
| VLD1 {dTC0[]}, [pThresholds]! |
| ;// qDp1q1-11 |
| VSUBL qDq0p0, dQ_0, dP_0 |
| VLD1 {dTC1[]}, [pThresholds]! |
| |
| ;// dRp0q0-24 |
| VSHR qDp1q1, qDp1q1, #2 |
| |
| ;// dTC01 = (dTC1 << 4) | dTC0 |
| ;// dTC01-18 |
| VEXT dTC01, dTC0, dTC1, #4 |
| ;// dTemp-19 |
| VAND dTemp, dApflg, dMask_1 |
| |
| VBIF dTC01, dMask_0, dFilt |
| |
| |
| ;// delta = (((q0-p0)<<2) + (p1-q1) + 4) >> 3; |
| ;// dDelta = (qDp1q1 >> 2 + qDq0p0 + 1)>> 1 |
| |
| ;// qDelta-qDq0p0-10 |
| VRHADD qDelta, qDp1q1, qDq0p0 |
| VRHADD dRp0q0, dP_0, dQ_0 |
| VADD dTC, dTC01, dTemp |
| |
| ;// dTC = dTC01 + (dAplg & 1) + (dAqflg & 1) |
| |
| VAND dTemp, dAqflg, dMask_1 |
| VQADD dMaxP, dP_1, dTC01 |
| VQMOVN dDelta, qDelta |
| VADD dTC, dTC, dTemp |
| |
| ;// dMaxP = QADD(dP_1, dTC01) |
| ;// dMinP = QSUB(dP_1, dTC01) |
| |
| ;// dMaxP-d23 |
| ;// dMinP-d22 |
| VQSUB dMinP, dP_1, dTC01 |
| |
| ;// dDelta-d20 |
| |
| ;// dMaxQ = QADD(dQ_1, dTC01) |
| ;// dMinQ = QSUB(dQ_1, dTC01) |
| |
| ;// dMaxQ-19 |
| ;// dMinQ-21 |
| VQADD dMaxQ, dQ_1, dTC01 |
| VHADD dDeltaP, dRp0q0, dP_2 |
| VMIN dDelta, dDelta, dTCs |
| |
| ;// dDelta = (OMX_U8)armClip(0, 255, q0 - delta); |
| VNEG dTCs, dTCs |
| |
| VQSUB dMinQ, dQ_1, dTC01 |
| |
| ;// delta = (p2 + ((p0+q0+1)>>1) - (p1<<1))>>1; |
| ;// delta = armClip(-tC0, tC0, delta); |
| ;// pQ0[-2*Step] = (OMX_U8)(p1 + delta); |
| |
| ;// dDeltaP = (dP_2 + dRp0q0)>>1; |
| ;// dP_1n = armClip(dP_1 - dTC01, dP_1 + dTC01, dDeltaP); |
| ;// dP_1n = armClip(MinP, MaxP, dDeltaP); |
| |
| ;// delta = (q2 + ((p0+q0+1)>>1) - (q1<<1))>>1; |
| ;// delta = armClip(-tC0, tC0, delta); |
| ;// pQ0[1*Step] = (OMX_U8)(q1 + delta); |
| |
| ;// dDeltaQ = (dQ_2 + dRp0q0)>>1; |
| ;// dQ_1n = armClip(dQ_1 - dTC01, dQ_1 + dTC01, dDeltaQ); |
| ;// dQ_1n = armClip(MinQ, MaxQ, dDeltaQ); |
| |
| ;// dDeltaP-26 |
| VHADD dDeltaQ, dRp0q0, dQ_2 |
| |
| ;// dDeltaQ-27 |
| |
| ;// dP_0n - 29 |
| ;// dP_1n - 30 |
| ;// dQ_0n - 24 |
| ;// dQ_1n - 25 |
| |
| ;// delta = (q2 + ((p0+q0+1)>>1) - (q1<<1))>>1; |
| ;// dDeltaQ = (dQ_2 + dRp0q0)>>1; |
| |
| VMAX dP_1n, dDeltaP, dMinP |
| VMAX dDelta, dDelta, dTCs |
| |
| ;// pQ0[-1*Step] = (OMX_U8)armClip(0, 255, dP_0 - delta); |
| ;// pQ0[0*Step] = (OMX_U8)armClip(0, 255, dQ_0 - delta); |
| |
| ;// dP_0n = (OMX_U8)armClip(0, 255, dP_0 - dDelta); |
| ;// dQ_0n = (OMX_U8)armClip(0, 255, dP_0 - dDelta); |
| |
| ;// qP_0n - 14 |
| ;// qQ_0n - 12 |
| |
| VMOVL qP_0n, dP_0 |
| VMOVL qQ_0n, dQ_0 |
| |
| VADDW qP_0n, qP_0n, dDelta |
| VSUBW qQ_0n, qQ_0n, dDelta |
| |
| VQMOVUN dP_0n, qP_0n |
| VQMOVUN dQ_0n, qQ_0n |
| |
| VMAX dQ_1n, dDeltaQ, dMinQ |
| |
| VMIN dP_1n, dP_1n, dMaxP |
| VMIN dQ_1n, dQ_1n, dMaxQ |
| VBIF dP_0n, dP_0, dFilt |
| |
| VBIF dP_1n, dP_1, dApflg |
| VBIF dQ_0n, dQ_0, dFilt |
| VBIF dQ_1n, dQ_1, dAqflg |
| |
| M_END |
| |
| ;// Register usage for - armVCM4P10_DeblockingLumabSGE4_unsafe() |
| ;// |
| ;// Inputs - Pixels - p0-p3: D4-D7, q0-q3: D8-D11 |
| ;// - Filter masks - filt: D16, aqflg: D12, apflg: D17 |
| ;// - Additional Params - alpha: D0, dMask_1: D15 |
| ;// |
| ;// Outputs - Pixels - P0-P2: D29-D31, Q0-Q2: D24,D25,D28 |
| |
| ;// Registers Corrupted - D18-D31 |
| |
| M_START armVCM4P10_DeblockingLumabSGE4_unsafe |
| |
| |
| ;// ap<beta && armAbs(p0-q0)<((alpha>>2)+2) |
| ;// aq<beta && armAbs(p0-q0)<((alpha>>2)+2) |
| |
| ;// ( dApflg & dAp0q0 < (dAlpha >> 2 + 2) ) |
| ;// ( dAqflg & dAp0q0 < (dAlpha >> 2 + 2) ) |
| |
| ;// ( dApflg = dApflg & dAp0q0 < (dTemp + dMask_1 + dMask_1) ) |
| ;// ( dAqflg = dAqflg & dAp0q0 < (dTemp + dMask_1 + dMask_1) ) |
| |
| ;// P Filter |
| |
| VSHR dTemp, dAlpha, #2 |
| VADD dTemp, dTemp, dMask_1 |
| |
| ;// qSp0q0-10 |
| VADDL qSp0q0, dQ_0, dP_0 |
| VADD dTemp, dTemp, dMask_1 |
| |
| ;// qSp2q1-11 |
| ;// qSp0q0p1-12 |
| VADDL qSp2q1, dP_2, dQ_1 |
| VADDW qSp0q0p1, qSp0q0, dP_1 |
| |
| VCGT dTemp, dTemp, dAp0q0 |
| VSHR qSp2q1, #1 |
| |
| ;// pQ0[-1*Step] = (OMX_U8)((p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4)>>3); |
| ;// pQ0[-1*Step] = ( ( (p0 + q0 + p1) + (p2 + q1)>>1 ) >> 1 + 1 ) >> 1 |
| |
| ;// dP_0n = ( ( (qSp0q0 + dP_1) + qSp2q1>>1 ) >> 1 + 1 ) >> 1 |
| ;// dP_0n = ( ( qSp0q0p1 + qSp2q1>>1 ) >> 1 + 1 ) >> 1 |
| ;// dP_0n = ( qTemp1 + 1 ) >> 1 |
| |
| ;// pQ0[-2*Step] = (OMX_U8)((p2 + p1 + p0 + q0 + 2)>>2); |
| |
| ;// dP_1n = (OMX_U8)((dP_2 + qSp0q0p1 + 2)>>2); |
| ;// dP_1n = (OMX_U8)((qTemp2 + 2)>>2); |
| |
| ;// pQ0[-3*Step] = (OMX_U8)((2*p3 + 3*p2 + p1 + p0 + q0 + 4)>>3); |
| ;// pQ0[-3*Step] = (OMX_U8)(( (p3 + p2) + (p1 + p0 + q0 + p2) >> 1 + 2)>>2); |
| |
| ;// dP_2n = (OMX_U8)(( qSp3p2 + (dP_2 + qSp0q0p1) >> 1 + 2) >> 2); |
| ;// dP_2n = (OMX_U8)(( qSp3p2 + qTemp2 >> 1 + 2) >> 2); |
| |
| ;// qTemp1-qSp2q1-11 |
| ;// qTemp2-qSp0q0p1-12 |
| VHADD qTemp1, qSp0q0p1, qSp2q1 |
| VADDW qTemp2, qSp0q0p1, dP_2 |
| |
| ;// qSp3p2-13 |
| VADDL qSp3p2, dP_3, dP_2 |
| |
| VAND dApflg, dApflg, dTemp |
| VHADD dHSp0q1, dP_0, dQ_1 |
| VSRA qSp3p2, qTemp2, #1 |
| ;// dHSp0q1-28 |
| VAND dAqflg, dAqflg, dTemp |
| |
| ;// dP_0n-29 |
| ;// dP_0t-dHSp0q1-28 |
| VQRSHRN dP_0n, qTemp1, #1 |
| VRHADD dP_0t, dHSp0q1, dP_1 |
| |
| ;// dP_1n-30 |
| VQRSHRN dP_1n, qTemp2, #2 |
| |
| VADDL qSq2p1, dQ_2, dP_1 |
| VADDW qSp0q0q1, qSp0q0, dQ_1 |
| |
| VBIF dP_0n, dP_0t, dApflg |
| |
| ;// Q Filter |
| |
| ;// pQ0[0*Step] = (OMX_U8)((q2 + 2*q1 + 2*q0 + 2*p0 + p1 + 4)>>3); |
| ;// pQ0[0*Step] = ( ( (p0 + q0 + q1) + (q2 + p1)>>1 ) >> 1 + 1 ) >> 1 |
| |
| ;// dQ_0n = ( ( (qSp0q0 + dQ_1) + qSq2p1>>1 ) >> 1 + 1 ) >> 1 |
| ;// dQ_0n = ( ( qSp0q0q1 + qSq2p1>>1 ) >> 1 + 1 ) >> 1 |
| ;// dQ_0n = ( qTemp1 + 1 ) >> 1 |
| |
| ;// pQ0[1*Step] = (OMX_U8)((q2 + q1 + q0 + q0 + 2)>>2); |
| |
| ;// dQ_1n = (OMX_U8)((dQ_2 + qSp0q0q1 + 2)>>2); |
| ;// dQ_1n = (OMX_U8)((qTemp2 + 2)>>2); |
| |
| ;// pQ0[2*Step] = (OMX_U8)((2*q3 + 3*q2 + q1 + q0 + p0 + 4)>>3); |
| ;// pQ0[2*Step] = (OMX_U8)(( (q3 + q2) + (q1 + p0 + q0 + q2) >> 1 + 2)>>2); |
| |
| ;// dQ_2n = (OMX_U8)(( qSq3q2 + (dQ_2 + qSp0q0q1) >> 1 + 2) >> 2); |
| ;// dQ_2n = (OMX_U8)(( qSq3q2 + qTemp2 >> 1 + 2) >> 2); |
| |
| ;// qTemp1-qSp2q1-11 |
| ;// qTemp2-qSp0q0p1-12 |
| ;// qSq2p1-11 |
| ;// qSp0q0q1-12 |
| |
| |
| ;// qTemp2-qSp0q0p1-12 |
| ;// qTemp1-qSq2p1-11 |
| ;// qSq3q2-13 |
| ;// dP_2n-31 |
| |
| VQRSHRN dP_2n, qSp3p2, #2 |
| VADDL qSq3q2, dQ_3, dQ_2 |
| |
| VSHR qSq2p1, #1 |
| |
| VHADD qTemp1, qSp0q0q1, qSq2p1 |
| VADDW qTemp2, qSp0q0q1, dQ_2 |
| |
| ;// dHSq0p1-28 |
| VHADD dHSq0p1, dQ_0, dP_1 |
| |
| VBIF dP_0n, dP_0, dFilt |
| VBIF dP_1n, dP_1, dApflg |
| |
| VSRA qSq3q2, qTemp2, #1 |
| |
| ;// dQ_1-Temp2-25 |
| ;// dQ_0-Temp2-24 |
| VQRSHRN dQ_1n, qTemp2, #2 |
| VQRSHRN dQ_0n, qTemp1, #1 |
| |
| ;// dQ_0t-Temp1-22 |
| VRHADD dQ_0t, dHSq0p1, dQ_1 |
| VBIF dQ_1n, dQ_1, dAqflg |
| |
| VBIF dP_2n, dP_2, dApflg |
| VBIF dQ_0n, dQ_0t, dAqflg |
| VQRSHRN dQ_2n, qSq3q2, #2 |
| VBIF dQ_0n, dQ_0, dFilt |
| VBIF dQ_2n, dQ_2, dAqflg |
| |
| M_END |
| |
| ENDIF |
| |
| |
| END |
