blit_arm_fix.c
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:18k
源码类别:
Windows CE
开发平台:
C/C++
- /*****************************************************************************
- *
- * This program is free software ; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * $Id: blit_arm_fix.c 543 2006-01-07 22:06:24Z picard $
- *
- * The Core Pocket Media Player
- * Copyright (c) 2004-2005 Gabor Kovacs
- *
- ****************************************************************************/
- #include "../common.h"
- #include "../dyncode/dyncode.h"
- #include "blit_soft.h"
- #if defined(ARM)
- typedef struct stack
- {
- int EndOfLine;
- int EndOfRect;
- int DstPitch;
- int DstNext;
- int YNext;
- int UVNext;
- int StackFrame[STACKFRAME];
- //void* this R0
- //char* Dst R1
- //char* Src R2
- //int DstPitch R3 can be signed
- int SrcPitch; //can be signed
- int Width;
- int Height;
- int Src2SrcLast;
- } stack;
- static NOINLINE void Fix_RGB_UV_LoadUV(blit_soft* p)
- {
- //set R4 = RVMul*v + RAdd
- //set R5 = GUMul*u + GVMul*v + GAdd
- //set R6 = BUMul*u + BAdd
- if (p->Dither)
- {
- //R0,R4,R8 for temporary
- //R5(DiffMask),R6(Src2SrcLast),R7(EndOfLine)
- if (p->OnlyDiff)
- {
- Half(); I3(LDR,R8,R12,R6);
- Half(); I2C(LDR_POST,R0,R12,2);
- Half(); I3(LDR,R4,R14,R6);
- //xscale stall
- I3(EOR,R8,R8,R0);
- Half(); I2C(LDR_POST,R0,R14,2);
- S(); I3(TST,NONE,R8,R5);
- C(EQ); Byte(); I3(LDR,R8,R10,R6);
- C(EQ); I3(EOR,R4,R4,R0);
- Byte(); I2C(LDR_POST,R0,R10,1); //u
- C(EQ); S(); I3(TST,NONE,R4,R5);
- C(EQ); Byte(); I3(LDR,R4,R11,R6);
- C(EQ); I3(EOR,R8,R8,R0);
- Byte(); I2C(LDR_POST,R0,R11,1); //v
- C(EQ); S(); I3(TST,NONE,R8,R5);
- //xscale stall
- C(EQ); I3(EOR,R4,R4,R0);
- C(EQ); S(); I3(TST,NONE,R4,R5);
- if (p->SwapXY)
- {
- MB(); I2C(LDR,R8,SP,OFS(stack,DstPitch));
- C(EQ); I3S(ADD,R9,R9,R8,LSL,1+p->DstDoubleY);
- }
- else
- {
- C(EQ); I2C(ADD,R9,R9,p->DstStepX);
- }
- I0P(B,EQ,p->Skip);
- // R0=v
- if (p->ColorLookup)
- {
- Byte(); I2C(LDR,R5,R10,-1); //u
- I1P(MOV,R8,p->LookUp,0);
- }
- }
- else
- {
- Byte(); I2C(LDR_POST,R0,R11,1); //v
- if (p->ColorLookup)
- {
- Byte(); I2C(LDR_POST,R5,R10,1); //u
- }
- }
- if (!p->ColorLookup)
- {
- I1P(LDR,R5,p->GAdd,0);
- I1P(LDR,R8,p->GVMul,0);
- I1P(LDR,R4,p->RAdd,0);
- I1P(LDR,R6,p->RVMul,0);
- I4(MLA,R5,R8,R0,R5);
- Byte();
- if (p->OnlyDiff) //already incremented
- I2C(LDR,R8,R10,-1); //u
- else
- I2C(LDR_POST,R8,R10,1); //u
- I4(MLA,R4,R6,R0,R4);
- I1P(LDR,R7,p->GUMul,0);
- I1P(LDR,R6,p->BAdd,0);
- I1P(LDR,R0,p->BUMul,0);
- I4(MLA,R5,R7,R8,R5);
- //R7 Y read will moveback here (this will prevent stall by R0)
- I4(MLA,R6,R0,R8,R6);
- I1P(LDR,R8,p->YMul,0); //restore R8
- }
- else
- {
- I2C(ADD,R0,R0,p->LookUp_V);
- I3S(LDR,R4,R8,R0,LSL,2); // RVMul+RAdd | GVMul+GAdd
- I2C(ADD,R5,R5,p->LookUp_U);
- I3S(LDR,R6,R8,R5,LSL,2); // BUMul | GUMul
- I3S(MOV,R5,NONE,R4,LSL,16);
- I3S(ADD,R5,R5,R6,LSL,16); // GUMul+GVMul+GAdd | 0000
- }
- }
- else
- {
- //R0,R1,R2,R3,R4 for temporary
- //R5(DiffMask),R6(Src2SrcLast),R7(EndOfLine)
- if (p->OnlyDiff)
- {
- Half(); I3(LDR,R0,R12,R6);
- Half(); I2C(LDR_POST,R1,R12,2);
- Half(); I3(LDR,R4,R14,R6);
- Half(); I2C(LDR_POST,R2,R14,2);
- I3(EOR,R0,R0,R1);
- S(); I3(TST,NONE,R0,R5);
- I3(EOR,R4,R4,R2);
- C(EQ); S(); I3(TST,NONE,R4,R5);
- C(EQ); Byte(); I3(LDR,R0,R10,R6);
- Byte(); I2C(LDR_POST,R1,R10,1); //u
- C(EQ); Byte(); I3(LDR,R4,R11,R6);
- Byte(); I2C(LDR_POST,R2,R11,1); //v
- C(EQ); I3(EOR,R0,R0,R1);
- C(EQ); S(); I3(TST,NONE,R0,R5);
- C(EQ); I3(EOR,R4,R4,R2);
- C(EQ); S(); I3(TST,NONE,R4,R5);
- if (p->SwapXY)
- {
- MB(); I2C(LDR,R3,SP,OFS(stack,DstPitch));
- C(EQ); I3S(ADD,R9,R9,R3,LSL,1+p->DstDoubleY);
- }
- else
- {
- C(EQ); I2C(ADD,R9,R9,p->DstStepX);
- }
- I0P(B,EQ,p->Skip);
- }
- else
- {
- Byte(); I2C(LDR_POST,R1,R10,1); //u
- Byte(); I2C(LDR_POST,R2,R11,1); //v
- }
- if (!p->ColorLookup)
- {
- I1P(LDR,R5,p->GAdd,0);
- I1P(LDR,R0,p->GVMul,0);
- I1P(LDR,R4,p->RAdd,0);
- I1P(LDR,R7,p->RVMul,0);
- I1P(LDR,R6,p->BAdd,0);
- I4(MLA,R5,R0,R2,R5);
- I1P(LDR,R0,p->BUMul,0);
- I1P(LDR,R3,p->GUMul,0);
- I4(MLA,R4,R7,R2,R4);
- I4(MLA,R6,R0,R1,R6);
- I4(MLA,R5,R3,R1,R5);
- }
- else
- {
- I2C(ADD,R1,R1,p->LookUp_U);
- I2C(ADD,R2,R2,p->LookUp_V);
- I3S(LDR,R6,R8,R1,LSL,2); // BUMul+BAdd | GUMul
- I3S(LDR,R4,R8,R2,LSL,2); // RVMul+RAdd | GVMul+GAdd
- //double xscale stall
- I3S(MOV,R5,NONE,R6,LSL,16);
- I3S(ADD,R5,R5,R4,LSL,16); // GUMul+GVMul+GAdd | 0000
- }
- }
- }
- void Fix_RGB_UV_Pixel(blit_soft* p, int Col, int Row)
- {
- int SatBitR = p->QAdd ? 32 : 24;
- int SatBitG = SatBitR;
- int SatBitB = SatBitR;
- int RPos = p->DstPos[0];
- int GPos = p->DstPos[1];
- int BPos = p->DstPos[2];
- p->Upper = (p->DirX<0) ^ (Col>0);
- if (p->Upper && p->DstBPP==8 && p->DstDoubleX)
- {
- RPos += 16;
- GPos += 16;
- BPos += 16;
- }
- else
- if (p->Upper && p->DstBPP<=16)
- {
- RPos += p->DstBPP;
- GPos += p->DstBPP;
- BPos += p->DstBPP;
- }
- //load Y
- MB();
- Byte();
- if (p->OnlyDiff) //is R12,R14 already incremented?
- {
- if (p->SwapXY)
- I2C(LDR,R7,(reg)(Col==0?R12:R14),-2+Row);
- else
- I2C(LDR,R7,(reg)(Row==0?R14:R12),-2+Col);
- }
- else
- if (p->SwapXY)
- I2C(LDR_POST,R7,(reg)(Col==0?R12:R14),1);
- else
- I2C(LDR_POST,R7,(reg)(Row==0?R14:R12),1);
- if (p->Dither)
- {
- if (!p->ColorLookup)
- {
- I3S(ADD,R1,R4,R1,LSR,32-SatBitR+p->DstSize[0]);
- I3S(ADD,R2,R5,R2,LSR,32-SatBitG+p->DstSize[1]);
- I3S(ADD,R3,R6,R3,LSR,32-SatBitB+p->DstSize[2]);
- I4(MLA,R1,R8,R7,R1);
- I4(MLA,R2,R8,R7,R2);
- I4(MLA,R3,R8,R7,R3);
- }
- else
- {
- I3S(ADD,R1,R4,R1,LSL,16+LOOKUP_FIX-p->DstSize[0]);
- I3S(LDR,R7,R8,R7,LSL,2); // YMul * y
- I3S(ADD,R2,R5,R2,LSL,16+LOOKUP_FIX-p->DstSize[1]);
- I3S(ADD,R3,R6,R3,LSL,16+LOOKUP_FIX-p->DstSize[2]);
- I3(ADD,R1,R7,R1);
- I3(ADD,R2,R7,R2);
- I3(ADD,R3,R7,R3);
- Byte(); I3S(LDR,R1,R8,R1,LSR,16+LOOKUP_FIX); //sat and 8bit ror (8-RSize)
- Byte(); I3S(LDR,R2,R8,R2,LSR,16+LOOKUP_FIX); //sat and 8bit ror (8-GSize)
- Byte(); I3S(LDR,R3,R8,R3,LSR,16+LOOKUP_FIX); //sat and 8bit ror (8-BSize)
- // R1 = Dither[8-RSize] | Value[RSize]
- // R2 = Dither[8-GSize] | Value[GSize]
- // R3 = Dither[8-BSize] | Value[BSize]
- RPos += p->DstSize[0]; // LSB part -> MSB part
- GPos += p->DstSize[1]; // LSB part -> MSB part
- BPos += p->DstSize[2]; // LSB part -> MSB part
- SatBitR = 2*p->DstSize[0] - 32;
- SatBitG = 2*p->DstSize[1] - 32;
- SatBitB = 2*p->DstSize[2] - 32;
- }
- }
- else
- {
- if (!p->ColorLookup)
- {
- I4(MLA,R1,R8,R7,R4);
- I4(MLA,R2,R8,R7,R5);
- I4(MLA,R3,R8,R7,R6);
- }
- else
- {
- I3S(LDR,R7,R8,R7,LSL,2); // YMul * y
- I3(ADD,R1,R7,R4);
- I3(ADD,R2,R7,R5);
- I3(ADD,R3,R7,R6);
- Byte(); I3S(LDR,R1,R8,R1,LSR,16+LOOKUP_FIX); // sat to 8bit
- Byte(); I3S(LDR,R2,R8,R2,LSR,16+LOOKUP_FIX); // sat to 8bit
- Byte(); I3S(LDR,R3,R8,R3,LSR,16+LOOKUP_FIX); // sat to 8bit
- SatBitR = SatBitB = SatBitG = 8;
- }
- }
- if (!p->ColorLookup)
- {
- if (p->QAdd)
- {
- I3(QDADD,R1,R1,R1);
- I3(QDADD,R2,R2,R2);
- I3(QDADD,R3,R3,R3);
- }
- else
- {
- I2C(TST,NONE,R1,0xFF000000);
- C(NE);I2C(MVN,R1,NONE,0xFF000000);
- C(MI);I2C(MOV,R1,NONE,0x00000000);
- I2C(TST,NONE,R2,0xFF000000);
- C(NE);I2C(MVN,R2,NONE,0xFF000000);
- C(MI);I2C(MOV,R2,NONE,0x00000000);
- I2C(TST,NONE,R3,0xFF000000);
- C(NE);I2C(MVN,R3,NONE,0xFF000000);
- C(MI);I2C(MOV,R3,NONE,0x00000000);
- }
- }
- if (p->InvertMask && p->Pos<0)
- {
- p->Pos = RPos;
- MB(); I1P(LDR,R0,p->InvertMask,0);
- }
- if (p->Pos!=RPos && p->Pos>=0) I3S(MOV,R0,NONE,R0,ROR,RPos-p->Pos);
- I3S(p->Pos<0?MOV:EOR,R0,(reg)(p->Pos<0?NONE:R0),R1,LSR,SatBitR-p->DstSize[0]);
- I3S(MOV,R7,NONE,R2,LSR,SatBitG-p->DstSize[1]);
- I3S(MOV,R0,NONE,R0,ROR,BPos-RPos);
- I3S(EOR,R0,R0,R7,ROR,BPos-GPos);
- I3S(EOR,R0,R0,R3,LSR,SatBitB-p->DstSize[2]);
- p->Pos = BPos;
- if (p->Dither && !p->ColorLookup)
- {
- MB(); I3S(MOV,R1,NONE,R1,LSL,32-SatBitR+p->DstSize[0]);
- MB(); I3S(MOV,R2,NONE,R2,LSL,32-SatBitG+p->DstSize[1]);
- MB(); I3S(MOV,R3,NONE,R3,LSL,32-SatBitB+p->DstSize[2]);
- }
- }
- void Fix_RGB_UV(blit_soft* p)
- {
- dyninst* LoopY;
- dyninst* LoopX;
- int Invert = 0;
- int Mask = 0;
- p->DstAlignSize = 4;
- p->Dither = (boolmem_t)((p->FX.Flags & BLITFX_DITHER)!=0);
- if (p->DstDoubleX || p->DstDoubleY || p->DstBPP>16)
- p->Dither = 0;
- p->DstStepX = p->DirX * ((p->DstBPP*2) >> 3) << p->DstDoubleX;
- p->LookUp = NULL;
- p->PalPtr = NULL;
- p->DiffMask = NULL;
- p->InvertMask = NULL;
- if (p->Dst.Flags & PF_INVERTED)
- Invert = -1;
- if (p->ColorLookup)
- {
- CalcLookUp(p,p->Dither);
- p->LookUp = InstCreate(p->LookUp_Data,p->LookUp_Size,NONE,NONE,NONE,0,0);
- free(p->LookUp_Data);
- p->LookUp_Data = NULL;
- }
- if (p->QAdd)
- {
- int Mask2;
- int i,Shift;
- for (i=0;i<3;++i)
- Mask |= 1 << (p->DstPos[i] + p->DstSize[i] -1);
- Mask2 = Mask;
- Shift = 0;
- if (p->DstBPP==8 && p->DstDoubleX)
- Mask2 |= Mask << 16;
- else
- if (p->DstBPP <= 16)
- {
- if (p->DirX<0) Shift = p->DstBPP;
- Mask2 |= Mask << p->DstBPP;
- }
- Invert ^= RotateRight(Mask2,Shift+p->DstPos[0]);
- }
- p->YMul = InstCreate32(p->_YMul,NONE,NONE,NONE,0,0);
- p->RVMul = InstCreate32(p->_RVMul,NONE,NONE,NONE,0,0);
- p->RAdd = InstCreate32(p->_RAdd,NONE,NONE,NONE,0,0);
- p->GUMul = InstCreate32(p->_GUMul,NONE,NONE,NONE,0,0);
- p->GVMul = InstCreate32(p->_GVMul,NONE,NONE,NONE,0,0);
- p->GAdd = InstCreate32(p->_GAdd,NONE,NONE,NONE,0,0);
- p->BUMul = InstCreate32(p->_BUMul,NONE,NONE,NONE,0,0);
- p->BAdd = InstCreate32(p->_BAdd,NONE,NONE,NONE,0,0);
- if (Invert)
- p->InvertMask = InstCreate32(Invert,NONE,NONE,NONE,0,0);
- if (p->OnlyDiff)
- p->DiffMask = InstCreate32(0xFCFCFCFC,NONE,NONE,NONE,0,0);
- CodeBegin();
- I2C(SUB,SP,SP,OFS(stack,StackFrame));
- I2C(LDR,R9,R1,0); //Dst[0] RGB
- I2C(LDR,R10,R2,4); //Src[1] U
- I2C(LDR,R11,R2,8); //Src[2] V
- I2C(LDR,R12,R2,0); //Src[0] Y
- I2C(STR,R3,SP,OFS(stack,DstPitch));
- I3(MOV,R6,NONE,R3); //DstPitch
- I2C(LDR,R7,SP,OFS(stack,SrcPitch));
- I2C(LDR,R0,SP,OFS(stack,Height));
- I2C(LDR,R4,SP,OFS(stack,Width));
- if (!p->ColorLookup)
- I1P(LDR,R8,p->YMul,0);
- else
- I1P(MOV,R8,p->LookUp,0);
- //YNext = 2*Src->Pitch - (Width >> SrcDoubleX)
- I3S(MOV,R1,NONE,R7,LSL,1);
- I3S(SUB,R1,R1,R4,LSR,p->SrcDoubleX);
- I2C(STR,R1,SP,OFS(stack,YNext));
- //UVNext = (Src->Pitch >> 1) - (Width >> SrcDoubleX >> 1);
- I3S(MOV,R2,NONE,R7,ASR,1);
- I3S(SUB,R2,R2,R4,LSR,p->SrcDoubleX+1);
- I2C(STR,R2,SP,OFS(stack,UVNext));
- if (p->DirX<0 && p->DstBPP==16) //adjust reversed destination for block size
- I2C(SUB,R9,R9,-p->DstStepX-(p->DstBPP >> 3));
- if (p->DstBPP==32)
- I2C(ADD,R9,R9,p->DstStepX/2);
- if (p->SwapXY)
- {
- // EndOfRect = Dst + ((Height * DstBPP * DirX) >> 3) - (DstPitch << DstDoubleY)
- I3S(SUB,R9,R9,R6,LSL,p->DstDoubleY);
- I2C(MOV,R1,NONE,p->DstBPP * p->DirX);
- I3(MUL,R0,R1,R0);
- I3S(ADD,R0,R9,R0,ASR,3);
- I2C(STR,R0,SP,OFS(stack,EndOfRect));
- //DstNext = DstStepX - Width*DstPitch;
- MB(); I3(MUL,R2,R6,R4);
- I2C(MOV,R0,NONE,p->DstStepX);
- I3(SUB,R0,R0,R2);
- I2C(STR,R0,SP,OFS(stack,DstNext));
- }
- else
- {
- // EndOfRect = Dst + DstPitch * Height
- I3(MUL,R0,R6,R0);
- I3(ADD,R0,R9,R0);
- I2C(STR,R0,SP,OFS(stack,EndOfRect));
- //DstNext = ((DstPitch*2 << DstDoubleY) - DirX * Width << DstBPP2;
- I3S(MOV,R2,NONE,R6,LSL,p->DstDoubleY+1);
- I3S(p->DirX>0?SUB:ADD,R2,R2,R4,LSL,p->DstBPP2);
- I2C(STR,R2,SP,OFS(stack,DstNext));
- }
- I3(ADD,R14,R12,R7);
- if (p->Dither)
- {
- if (!p->ColorLookup)
- {
- I2C(MVN,R1,NONE,0x80000000);
- I2C(MVN,R2,NONE,0x80000000);
- I2C(MVN,R3,NONE,0x80000000);
- }
- else
- {
- I2C(MOV,R1,NONE,0x80);
- I2C(MOV,R2,NONE,0x80);
- I2C(MOV,R3,NONE,0x80);
- }
- }
- LoopY = Label(1);
- if (p->SwapXY)
- {
- I3(MUL,R0,R6,R4); //R6=dstpitch
- I3(ADD,R7,R9,R0);
- }
- else
- {
- if (p->DirX > 0)
- I3S(ADD,R7,R9,R4,LSL,p->DstBPP2);
- else
- I3S(SUB,R7,R9,R4,LSL,p->DstBPP2);
- }
- I2C(STR,R7,SP,OFS(stack,EndOfLine));
- // preload
- if (p->ARM5) // not needed for non slices mode, but testing show it didn't help on ARM4
- {
- if (!p->Slices)
- {
- //R4 width
- //R0,R7,R5,R6 tmp
- dyninst* PreLoadEnd = Label(0);
- dyninst* PreLoad1;
- dyninst* PreLoad2;
- dyninst* PreLoad3;
- dyninst* PreLoad4;
- I3S(ADD,R0,R12,R4,ASR,(p->SrcDoubleX?1:0)-(p->SrcHalfX?1:0));
- I2C(ADD,R5,R12,32);
- I3(CMP,NONE,R5,R0);
- I0P(B,CS,PreLoadEnd);
- //y0
- PreLoad1 = Label(1);
- Byte(); I2C(LDR,R6,R5,-32);
- I2C(ADD,R5,R5,64);
- I3(CMP,NONE,R5,R0);
- Byte(); I2C(LDR,R7,R5,-64);
- I0P(B,CC,PreLoad1);
- I3S(ADD,R0,R14,R4,ASR,(p->SrcDoubleX?1:0)-(p->SrcHalfX?1:0));
- I2C(ADD,R5,R14,32);
- //y1
- PreLoad2 = Label(1);
- Byte(); I2C(LDR,R6,R5,-32);
- I2C(ADD,R5,R5,64);
- I3(CMP,NONE,R5,R0);
- Byte(); I2C(LDR,R7,R5,-64);
- I0P(B,CC,PreLoad2);
- I3S(ADD,R0,R10,R4,ASR,(p->SrcDoubleX?1:0)-(p->SrcHalfX?1:0)+p->SrcUVX2);
- I2C(ADD,R5,R10,32);
- I3(CMP,NONE,R5,R0);
- I0P(B,CS,PreLoadEnd);
- //u
- PreLoad3 = Label(1);
- Byte(); I2C(LDR,R6,R5,-32);
- I2C(ADD,R5,R5,64);
- I3(CMP,NONE,R5,R0);
- Byte(); I2C(LDR,R7,R5,-64);
- I0P(B,CC,PreLoad3);
- I3S(ADD,R0,R11,R4,ASR,(p->SrcDoubleX?1:0)-(p->SrcHalfX?1:0)+p->SrcUVX2);
- I2C(ADD,R5,R11,32);
- //v
- PreLoad4 = Label(1);
- Byte(); I2C(LDR,R6,R5,-32);
- I2C(ADD,R5,R5,64);
- I3(CMP,NONE,R5,R0);
- Byte(); I2C(LDR,R7,R5,-64);
- I0P(B,CC,PreLoad4);
- if (p->OnlyDiff) //restore R7
- I2C(LDR,R7,SP,OFS(stack,EndOfLine));
- InstPost(PreLoadEnd);
- }
- else
- {
- //preload next
- MB(); I2C(LDR,R6,SP,OFS(stack,SrcPitch));
- I3S(PLD,NONE,R12,R6,LSL,1);
- I3S(PLD,NONE,R14,R6,LSL,1);
- I3S(PLD,NONE,R10,R6,ASR,p->SrcUVPitch2);
- I3S(PLD,NONE,R11,R6,ASR,p->SrcUVPitch2);
- }
- }
- if (p->OnlyDiff)
- {
- MB(); I1P(LDR,R5,p->DiffMask,0);
- MB(); I2C(LDR,R6,SP,OFS(stack,Src2SrcLast));
- p->Skip = Label(0);
- }
- LoopX = Label(1);
- {
- int PitchDouble;
- reg Pitch;
- Fix_RGB_UV_LoadUV(p);
- p->Pos = -1;
- Fix_RGB_UV_Pixel(p,0,0);
- if (p->DstBPP==32)
- {
- if (p->Pos)
- I3S(MOV,R0,NONE,R0,ROR,-p->Pos);
- assert(!p->DstDoubleX && !p->DstDoubleY);
- MB(); I2C(LDR,R1,SP,OFS(stack,DstPitch));
- I2C(ADD,R1,R1,-p->DstStepX/2);
- I3(STR,R0,R9,R1);
- p->Pos = -1;
- }
- Fix_RGB_UV_Pixel(p,1,0);
- if (p->Pos)
- I3S(MOV,R0,NONE,R0,ROR,-p->Pos);
- Pitch = (reg)(p->Dither ? R7:R1);
- MB(); I2C(LDR,Pitch,SP,OFS(stack,DstPitch));
- if (p->DstBPP==8 && p->DstDoubleX)
- I3S(ORR,R0,R0,R0,LSL,8);
- if (p->DstBPP==16 && p->DstDoubleX)
- {
- I2C(ADD,R9,R9,4);
- I3S(MOV,R3,NONE,R0,LSR,16);
- I3S(MOV,R0,NONE,R0,LSL,16);
- I3S(ORR,R3,R3,R3,LSL,16);
- I3S(ORR,R0,R0,R0,LSR,16);
- if (p->DstDoubleY)
- {
- I3S(ADD,R2,Pitch,Pitch,LSL,1); //R2=3*DstPitch
- I3(STR,R3,R9,R2);
- }
- I3S(STR,R3,R9,Pitch,LSL,p->DstDoubleY);
- I2C(SUB,R9,R9,4);
- }
- if (p->DstDoubleY)
- {
- I3S(ADD,R2,Pitch,Pitch,LSL,1); //R2=3*DstPitch
- if (p->DstBPP==8 && !p->DstDoubleX) Half();
- I3(STR,R0,R9,R2);
- }
- PitchDouble = p->DstDoubleY;
- if (p->DstBPP==8 && !p->DstDoubleX)
- {
- if (PitchDouble) // can't use STR with Half() and LSL,#1 at the same time
- {
- PitchDouble = 0;
- I3(ADD,Pitch,Pitch,Pitch);
- }
- Half();
- }
- I3S(STR,R0,R9,Pitch,LSL,PitchDouble);
- if (p->SwapXY)
- I3S(ADD,R9,R9,Pitch,LSL,1+PitchDouble);
- p->Pos = -1;
- Fix_RGB_UV_Pixel(p,0,1);
- if (p->DstBPP==32)
- {
- if (p->Pos)
- I3S(MOV,R0,NONE,R0,ROR,-p->Pos);
- assert(!p->DstDoubleX && !p->DstDoubleY);
- I2C(STR,R0,R9,-p->DstStepX/2);
- p->Pos = -1;
- }
- Fix_RGB_UV_Pixel(p,1,1);
- if (p->Pos)
- I3S(MOV,R0,NONE,R0,ROR,-p->Pos);
- if (p->DstBPP==8 && p->DstDoubleX)
- I3S(ORR,R0,R0,R0,LSL,8);
- if (p->DstDoubleY)
- {
- MB(); I2C(LDR,R1,SP,OFS(stack,DstPitch));
- }
- if (p->DstBPP==16 && p->DstDoubleX)
- {
- I3S(MOV,R3,NONE,R0,LSR,16);
- I3S(MOV,R0,NONE,R0,LSL,16);
- I3S(ORR,R3,R3,R3,LSL,16);
- I3S(ORR,R0,R0,R0,LSR,16);
- if (p->DstDoubleY)
- {
- I2C(ADD,R2,R1,4); //DstPitch+4
- I3(STR,R3,R9,R2);
- }
- I2C(STR,R3,R9,4);
- }
- if (p->DstDoubleY)
- {
- if (p->DstBPP==8 && !p->DstDoubleX) Half();
- I3(STR,R0,R9,R1);
- }
- if (p->DstBPP==8 && !p->DstDoubleX) Half();
- if (p->SwapXY)
- I2(STR,R0,R9);
- else
- I2C(STR_POST,R0,R9,p->DstStepX);
- MB(); I2C(LDR,R7,SP,OFS(stack,EndOfLine));
- if (p->OnlyDiff)
- {
- MB(); I1P(LDR,R5,p->DiffMask,0);
- MB(); I2C(LDR,R6,SP,OFS(stack,Src2SrcLast));
- InstPost(p->Skip);
- }
- I3(CMP,NONE,R9,R7);
- I0P(B,NE,LoopX);
- }
- I2C(LDR,R0,SP,OFS(stack,YNext));
- I2C(LDR,R4,SP,OFS(stack,DstNext));
- I2C(LDR,R6,SP,OFS(stack,UVNext));
- I2C(LDR,R5,SP,OFS(stack,EndOfRect));
- //increment pointers
- I3(ADD,R12,R12,R0);
- I3(ADD,R14,R14,R0);
- I3(ADD,R9,R9,R4);
- I3(ADD,R10,R10,R6);
- I3(ADD,R11,R11,R6);
- //prepare registers for next row
- if (p->SwapXY) I2C(LDR,R6,SP,OFS(stack,DstPitch));
- I2C(LDR,R4,SP,OFS(stack,Width));
- I3(CMP,NONE,R9,R5);
- I0P(B,NE,LoopY);
- I2C(ADD,SP,SP,OFS(stack,StackFrame));
- CodeEnd();
- InstPost(p->YMul);
- InstPost(p->RVMul);
- InstPost(p->RAdd);
- InstPost(p->GUMul);
- InstPost(p->GVMul);
- InstPost(p->GAdd);
- InstPost(p->BUMul);
- InstPost(p->BAdd);
- if (p->InvertMask) InstPost(p->InvertMask);
- if (p->DiffMask) InstPost(p->DiffMask);
- if (p->PalPtr) InstPost(p->PalPtr);
- if (p->LookUp)
- {
- Align(16);
- InstPost(p->LookUp);
- }
- }
- #endif