| ;// |
| ;// 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: omxVCCOMM_ExpandFrame_I_s.s |
| ;// OpenMAX DL: v1.0.2 |
| ;// Revision: 12290 |
| ;// Date: Wednesday, April 9, 2008 |
| ;// |
| ;// |
| ;// |
| ;// |
| ;// Description: |
| ;// This function will Expand Frame boundary pixels into Plane |
| ;// |
| ;// |
| |
| ;// Include standard headers |
| |
| INCLUDE omxtypes_s.h |
| INCLUDE armCOMM_s.h |
| |
| M_VARIANTS CortexA8 |
| |
| ;// Import symbols required from other files |
| ;// (For example tables) |
| |
| |
| ;// Set debugging level |
| DEBUG_ON SETL {FALSE} |
| |
| |
| |
| IF CortexA8 |
| |
| M_START omxVCCOMM_ExpandFrame_I,r11 |
| |
| ;//Input registers |
| |
| pSrcDstPlane RN 0 |
| iFrameWidth RN 1 |
| iFrameHeight RN 2 |
| iExpandPels RN 3 |
| iPlaneStep RN 4 |
| pTop RN 5 |
| pBot RN 6 |
| pDstTop RN 7 |
| pDstBot RN 8 |
| pLeft RN 5 |
| pRight RN 6 |
| pDstLeft RN 9 |
| pDstRight RN 10 |
| Offset RN 11 |
| Temp RN 14 |
| Counter RN 12 |
| Tmp RN 7 |
| ;//Output registers |
| |
| result RN 0 |
| ;// Neon registers |
| qData0 QN 0.U8 |
| qData1 QN 1.U8 |
| dData0 DN 0.U8 |
| dData1 DN 1.U8 |
| dData2 DN 2.U8 |
| dData3 DN 3.U8 |
| |
| ;// Define stack arguments |
| M_ARG pPlaneStep, 4 |
| |
| ;// Load argument from the stack |
| M_LDR iPlaneStep, pPlaneStep |
| |
| SUB pTop, pSrcDstPlane, #0 ;// Top row pointer of the frame |
| MUL Offset, iExpandPels, iPlaneStep ;// E*Step |
| SUB Temp, iFrameHeight, #1 ;// H-1 |
| MUL Temp, iPlaneStep, Temp ;// (H-1)*Step |
| ADD pBot, Temp, pSrcDstPlane ;// BPtr = TPtr + (H-1)*Step |
| MOV Temp, iFrameWidth ;// Outer loop counter |
| |
| ;// Check if pSrcDstPlane and iPlaneStep are 16 byte aligned |
| TST pSrcDstPlane, #0xf |
| TSTEQ iPlaneStep, #0xf |
| BNE Hor8Loop00 |
| |
| ;// |
| ;// Copy top and bottom region of the plane as follows |
| ;// top region = top row elements from the frame |
| ;// bottom region = last row elements from the frame |
| ;// |
| |
| ;// Case for 16 byte alignment |
| Hor16Loop00 |
| SUB pDstTop, pTop, Offset |
| VLD1 qData0, [pTop @128]! |
| MOV Counter, iExpandPels ;// Inner loop counter |
| ADD pDstBot, pBot, iPlaneStep |
| VLD1 qData1, [pBot @128]! |
| Ver16Loop0 |
| VST1 qData0, [pDstTop @128], iPlaneStep |
| VST1 qData0, [pDstTop @128], iPlaneStep |
| VST1 qData0, [pDstTop @128], iPlaneStep |
| VST1 qData0, [pDstTop @128], iPlaneStep |
| VST1 qData0, [pDstTop @128], iPlaneStep |
| VST1 qData0, [pDstTop @128], iPlaneStep |
| VST1 qData0, [pDstTop @128], iPlaneStep |
| VST1 qData0, [pDstTop @128], iPlaneStep |
| SUBS Counter, Counter, #8 |
| VST1 qData1, [pDstBot @128], iPlaneStep |
| VST1 qData1, [pDstBot @128], iPlaneStep |
| VST1 qData1, [pDstBot @128], iPlaneStep |
| VST1 qData1, [pDstBot @128], iPlaneStep |
| VST1 qData1, [pDstBot @128], iPlaneStep |
| VST1 qData1, [pDstBot @128], iPlaneStep |
| VST1 qData1, [pDstBot @128], iPlaneStep |
| VST1 qData1, [pDstBot @128], iPlaneStep |
| BGT Ver16Loop0 |
| |
| SUBS Temp, Temp, #16 |
| BGT Hor16Loop00 |
| B EndAlignedLoop |
| |
| ;// Case for 8 byte alignment |
| Hor8Loop00 |
| SUB pDstTop, pTop, Offset |
| VLD1 qData0, [pTop @64]! |
| MOV Counter, iExpandPels ;// Inner loop counter |
| ADD pDstBot, pBot, iPlaneStep |
| VLD1 qData1, [pBot @64]! |
| Ver8Loop0 |
| VST1 qData0, [pDstTop @64], iPlaneStep |
| VST1 qData0, [pDstTop @64], iPlaneStep |
| VST1 qData0, [pDstTop @64], iPlaneStep |
| VST1 qData0, [pDstTop @64], iPlaneStep |
| VST1 qData0, [pDstTop @64], iPlaneStep |
| VST1 qData0, [pDstTop @64], iPlaneStep |
| VST1 qData0, [pDstTop @64], iPlaneStep |
| VST1 qData0, [pDstTop @64], iPlaneStep |
| SUBS Counter, Counter, #8 |
| VST1 qData1, [pDstBot @64], iPlaneStep |
| VST1 qData1, [pDstBot @64], iPlaneStep |
| VST1 qData1, [pDstBot @64], iPlaneStep |
| VST1 qData1, [pDstBot @64], iPlaneStep |
| VST1 qData1, [pDstBot @64], iPlaneStep |
| VST1 qData1, [pDstBot @64], iPlaneStep |
| VST1 qData1, [pDstBot @64], iPlaneStep |
| VST1 qData1, [pDstBot @64], iPlaneStep |
| BGT Ver8Loop0 |
| |
| SUBS Temp, Temp, #16 |
| BGT Hor8Loop00 |
| |
| EndAlignedLoop |
| ADD Temp, pSrcDstPlane, iFrameWidth |
| SUB pDstRight, Temp, Offset |
| SUB pRight, Temp, #1 |
| SUB pDstLeft, pSrcDstPlane, Offset |
| SUB pDstLeft, pDstLeft, iExpandPels |
| ADD pLeft, pSrcDstPlane, #0 |
| |
| VLD1 {dData0 []}, [pLeft], iPlaneStep ;// Top-Left corner pixel from frame duplicated in dData0 |
| SUB Offset, iPlaneStep, iExpandPels |
| VLD1 {dData1 []}, [pRight], iPlaneStep ;// Top-Right corner pixel from frame duplicated in dData1 |
| MOV Temp, iExpandPels |
| |
| ;// |
| ;// Copy top-left and top-right region of the plane as follows |
| ;// top-left region = top-left corner pixel from the frame |
| ;// top-right region = top-right corner pixel from the frame |
| ;// |
| HorLoop11 |
| MOV Counter, iExpandPels |
| VerLoop1 |
| VST1 dData0, [pDstLeft], #8 |
| SUBS Counter, Counter, #8 |
| VST1 dData1, [pDstRight], #8 |
| BGT VerLoop1 |
| |
| SUBS Temp, Temp, #1 |
| ADD pDstLeft, pDstLeft, Offset |
| ADD pDstRight, pDstRight, Offset |
| BPL HorLoop11 |
| |
| SUB iFrameHeight, iFrameHeight, #1 |
| ;// |
| ;// Copy left and right region of the plane as follows |
| ;// Left region = copy the row with left start pixel from the frame |
| ;// Right region = copy the row with right end pixel from the frame |
| ;// |
| HorLoop22 |
| VLD1 {dData0 []}, [pLeft], iPlaneStep |
| MOV Counter, iExpandPels |
| VLD1 {dData1 []}, [pRight], iPlaneStep |
| VerLoop2 |
| VST1 dData0, [pDstLeft], #8 |
| SUBS Counter, Counter, #8 |
| VST1 dData1, [pDstRight], #8 |
| BGT VerLoop2 |
| |
| SUBS iFrameHeight, iFrameHeight, #1 |
| ADD pDstLeft, pDstLeft, Offset |
| ADD pDstRight, pDstRight, Offset |
| BGT HorLoop22 |
| |
| MOV Temp, iExpandPels |
| ;// |
| ;// Copy bottom-left and bottom-right region of the plane as follows |
| ;// bottom-left region = bottom-left corner pixel from the frame |
| ;// bottom-right region = bottom-right corner pixel from the frame |
| ;// |
| HorLoop33 |
| MOV Counter, iExpandPels |
| VerLoop3 |
| VST1 dData0, [pDstLeft], #8 |
| SUBS Counter, Counter, #8 |
| VST1 dData1, [pDstRight], #8 |
| BGT VerLoop3 |
| |
| SUBS Temp, Temp, #1 |
| ADD pDstLeft, pDstLeft, Offset |
| ADD pDstRight, pDstRight, Offset |
| BGT HorLoop33 |
| End |
| MOV r0, #OMX_Sts_NoErr |
| |
| M_END |
| |
| ENDIF |
| |
| |
| |
| |
| ;// Guarding implementation by the processor name |
| |
| |
| |
| END |
