| ;// |
| ;// 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: omxVCM4P10_FilterDeblockingChroma_HorEdge_I_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 |
| |
| IMPORT armVCM4P10_DeblockingChromabSGE4_unsafe |
| IMPORT armVCM4P10_DeblockingChromabSLT4_unsafe |
| |
| LOOP_COUNT EQU 0x40000000 |
| MASK_3 EQU 0x03030303 |
| MASK_4 EQU 0x04040404 |
| |
| ;// Function arguments |
| |
| pSrcDst RN 0 |
| srcdstStep RN 1 |
| pAlpha RN 2 |
| pBeta RN 3 |
| |
| pThresholds RN 5 |
| pBS RN 4 |
| bS3210 RN 6 |
| |
| ;// Loop |
| |
| XY RN 7 |
| |
| ;// Pixels |
| dP_0 DN D4.U8 |
| dP_1 DN D5.U8 |
| dP_2 DN D6.U8 |
| dQ_0 DN D8.U8 |
| dQ_1 DN D9.U8 |
| dQ_2 DN D10.U8 |
| |
| ;// Filtering Decision |
| dAlpha DN D0.U8 |
| dBeta DN D2.U8 |
| |
| dFilt DN D16.U8 |
| dAqflg DN D12.U8 |
| dApflg DN D17.U8 |
| |
| dAp0q0 DN D13.U8 |
| dAp1p0 DN D12.U8 |
| dAq1q0 DN D18.U8 |
| dAp2p0 DN D19.U8 |
| dAq2q0 DN D17.U8 |
| |
| qBS3210 QN Q13.U16 |
| dBS3210 DN D26 |
| dMask_bs DN D27 |
| dFilt_bs DN D26.U16 |
| |
| ;// bSLT4 |
| dMask_0 DN D14.U8 |
| dMask_1 DN D15.U8 |
| dMask_4 DN D1.U16 |
| |
| Mask_4 RN 8 |
| Mask_3 RN 9 |
| |
| dTemp DN D19.U8 |
| |
| ;// Result |
| dP_0t DN D13.U8 |
| dQ_0t DN D31.U8 |
| |
| dP_0n DN D29.U8 |
| dQ_0n DN D24.U8 |
| |
| |
| ;// Function header |
| M_START omxVCM4P10_FilterDeblockingChroma_HorEdge_I, r9, d15 |
| |
| ;//Arguments on the stack |
| M_ARG ppThresholds, 4 |
| M_ARG ppBS, 4 |
| |
| ;// d0-dAlpha_0 |
| ;// d2-dBeta_0 |
| |
| ;load alpha1,beta1 somewhere to avoid more loads |
| VLD1 {dAlpha[]}, [pAlpha]! |
| SUB pSrcDst, pSrcDst, srcdstStep, LSL #1 ;? |
| SUB pSrcDst, pSrcDst, srcdstStep |
| VLD1 {dBeta[]}, [pBeta]! |
| |
| M_LDR pBS, ppBS |
| M_LDR pThresholds, ppThresholds |
| |
| LDR Mask_3, =MASK_3 |
| LDR Mask_4, =MASK_4 |
| |
| VMOV dMask_0, #0 |
| VMOV dMask_1, #1 |
| VMOV dMask_4, #4 |
| |
| LDR XY, =LOOP_COUNT |
| |
| ;// p0-p3 - d4-d7 |
| ;// q0-q3 - d8-d11 |
| LoopY |
| LDR bS3210, [pBS], #8 |
| |
| VLD1 dP_2, [pSrcDst], srcdstStep |
| ;1 |
| VLD1 dP_1, [pSrcDst], srcdstStep |
| CMP bS3210, #0 |
| VLD1 dP_0, [pSrcDst], srcdstStep |
| ;1 |
| VLD1 dQ_0, [pSrcDst], srcdstStep |
| VABD dAp2p0, dP_2, dP_0 |
| VLD1 dQ_1, [pSrcDst], srcdstStep |
| VABD dAp0q0, dP_0, dQ_0 |
| VLD1 dQ_2, [pSrcDst], srcdstStep |
| BEQ NoFilterBS0 |
| |
| VABD dAp1p0, dP_1, dP_0 |
| VABD dAq1q0, dQ_1, dQ_0 |
| |
| VCGT dFilt, dAlpha, dAp0q0 |
| VMOV.U32 dBS3210[0], bS3210 |
| VMAX dAp1p0, dAq1q0, dAp1p0 |
| VMOVL qBS3210, dBS3210.U8 |
| VABD dAq2q0, dQ_2, dQ_0 |
| VCGT dMask_bs.S16, dBS3210.S16, #0 |
| |
| VCGT dAp1p0, dBeta, dAp1p0 |
| VCGT dAp2p0, dBeta, dAp2p0 |
| |
| VAND dFilt, dMask_bs.U8 |
| |
| TST bS3210, Mask_3 |
| |
| VCGT dAq2q0, dBeta, dAq2q0 |
| VAND dFilt, dFilt, dAp1p0 |
| |
| VAND dAqflg, dFilt, dAq2q0 |
| VAND dApflg, dFilt, dAp2p0 |
| |
| ;// bS < 4 Filtering |
| BLNE armVCM4P10_DeblockingChromabSLT4_unsafe |
| |
| TST bS3210, Mask_4 |
| |
| SUB pSrcDst, pSrcDst, srcdstStep, LSL #2 |
| VTST dFilt_bs, dFilt_bs, dMask_4 |
| |
| ;// bS == 4 Filtering |
| BLNE armVCM4P10_DeblockingChromabSGE4_unsafe |
| |
| VBIT dP_0n, dP_0t, dFilt_bs |
| VBIT dQ_0n, dQ_0t, dFilt_bs |
| |
| VBIF dP_0n, dP_0, dFilt |
| VBIF dQ_0n, dQ_0, dFilt |
| |
| ;// Result Storage |
| VST1 dP_0n, [pSrcDst], srcdstStep |
| ADDS XY, XY, XY |
| VST1 dQ_0n, [pSrcDst], srcdstStep |
| |
| BNE LoopY |
| |
| MOV r0, #OMX_Sts_NoErr |
| |
| M_EXIT |
| |
| NoFilterBS0 |
| |
| VLD1 {dAlpha[]}, [pAlpha] |
| SUB pSrcDst, pSrcDst, srcdstStep, LSL #1 |
| ADDS XY, XY, XY |
| VLD1 {dBeta[]}, [pBeta] |
| ADD pThresholds, pThresholds, #4 |
| BNE LoopY |
| |
| MOV r0, #OMX_Sts_NoErr |
| M_END |
| |
| ENDIF |
| |
| |
| END |
| |
| |
