/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_storm.c,v 1.99tsi Exp $ */ #define PSZ 8 #ifdef HAVE_CONFIG_H #include "config.h" #endif /* All drivers should typically include these */ #include "xf86.h" #include "xf86_OSproc.h" /* For correct __inline__ usage */ #include "compiler.h" /* Drivers that need to access the PCI config space directly need this */ #include "xf86Pci.h" /* Drivers for PCI hardware need this */ #include "xf86PciInfo.h" /* Drivers that use XAA need this */ #include "xaa.h" #include "xaalocal.h" #include "xf86fbman.h" #include "miline.h" #include "servermd.h" #ifdef XF86DRI #include "cfb.h" #include "GL/glxtokens.h" #endif #include "mga.h" #include "mga_reg.h" #include "mga_macros.h" #ifdef XF86DRI #include "mga_dri.h" #endif #define REPLICATE_8(r) (((r) & 0x0ff) | (((r) & 0x0ff) << 8) \ | (((r) & 0x0ff) << 16) | (((r) & 0x0ff) << 24)) #define REPLICATE_16(r) (((r) & 0x0000ffff) | (((r) & 0x0000ffff) << 16)) #define REPLICATE_24(r) (((r) & 0x00ffffff) | (((r) & 0x00ffffff) << 24)) #define REPLICATE_32(r) (r) #define SET_FOREGROUND_REPLICATED(c, rep_c) \ if((c) != pMga->FgColor) { \ pMga->FgColor = (c); \ OUTREG(MGAREG_FCOL,(rep_c)); \ } #define SET_BACKGROUND_REPLICATED(c, rep_c) \ if((c) != pMga->BgColor) { \ pMga->BgColor = (c); \ OUTREG(MGAREG_BCOL,(rep_c)); \ } #define MGAMoveDWORDS(d,s,c) \ do { \ write_mem_barrier(); \ XAAMoveDWORDS((d),(s),(c)); \ } while (0) static void mgaSetupForSolidFill( ScrnInfoPtr pScrn, int color, int rop, unsigned int planemask ); static void mgaSetupForScreenToScreenCopy( ScrnInfoPtr pScrn, int xdir, int ydir, int rop, unsigned int planemask, int trans ); static void mgaSubsequentScreenToScreenCopy( ScrnInfoPtr pScrn, int srcX, int srcY, int dstX, int dstY, int w, int h ); static void mgaSubsequentScreenToScreenCopy_FastBlit( ScrnInfoPtr pScrn, int srcX, int srcY, int dstX, int dstY, int w, int h ); static void mgaSetupForScanlineCPUToScreenColorExpandFill( ScrnInfoPtr pScrn, int fg, int bg, int rop, unsigned int planemask ); static void mgaSubsequentScanlineCPUToScreenColorExpandFill( ScrnInfoPtr pScrn, int x, int y, int w, int h, int skipleft ); static void mgaSubsequentColorExpandScanline( ScrnInfoPtr pScrn, int bufno ); static void mgaSubsequentColorExpandScanlineIndirect( ScrnInfoPtr pScrn, int bufno ); static void mgaSubsequentSolidFillRect( ScrnInfoPtr pScrn, int x, int y, int w, int h ); static void mgaSubsequentSolidFillTrap( ScrnInfoPtr pScrn, int y, int h, int left, int dxL, int dyL, int eL, int right, int dxR, int dyR, int eR ); static void mgaSubsequentSolidHorVertLine( ScrnInfoPtr pScrn, int x, int y, int len, int dir ); static void mgaSubsequentSolidTwoPointLine( ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2, int flags ); static void mgaSetupForMono8x8PatternFill( ScrnInfoPtr pScrn, int patx, int paty, int fg, int bg, int rop, unsigned int planemask ); static void mgaSubsequentMono8x8PatternFillRect( ScrnInfoPtr pScrn, int patx, int paty, int x, int y, int w, int h ); static void mgaSubsequentMono8x8PatternFillRect_Additional( ScrnInfoPtr pScrn, int patx, int paty, int x, int y, int w, int h ); static void mgaSubsequentMono8x8PatternFillTrap( ScrnInfoPtr pScrn, int patx, int paty, int y, int h, int left, int dxL, int dyL, int eL, int right, int dxR, int dyR, int eR ); static void mgaSetupForScanlineImageWrite( ScrnInfoPtr pScrn, int rop, unsigned int planemask, int transparency_color, int bpp, int depth ); static void mgaSubsequentScanlineImageWriteRect( ScrnInfoPtr pScrn, int x, int y, int w, int h, int skipleft ); static void mgaSubsequentImageWriteScanline( ScrnInfoPtr pScrn, int num ); static void mgaSetupForPlanarScreenToScreenColorExpandFill( ScrnInfoPtr pScrn, int fg, int bg, int rop, unsigned int planemask ); static void mgaSubsequentPlanarScreenToScreenColorExpandFill( ScrnInfoPtr pScrn, int x, int y, int w, int h, int srcx, int srcy, int skipleft ); static void mgaSetupForScreenToScreenColorExpandFill( ScrnInfoPtr pScrn, int fg, int bg, int rop, unsigned int planemask ); static void mgaSubsequentScreenToScreenColorExpandFill( ScrnInfoPtr pScrn, int x, int y, int w, int h, int srcx, int srcy, int skipleft ); #if X_BYTE_ORDER == X_LITTLE_ENDIAN static void mgaSetupForDashedLine( ScrnInfoPtr pScrn, int fg, int bg, int rop, unsigned int planemask, int length, unsigned char *pattern ); static void mgaSubsequentDashedTwoPointLine( ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2, int flags, int phase ); #endif void mgaRestoreAccelState( ScrnInfoPtr pScrn ); #ifdef XF86DRI void mgaDRIInitBuffers(WindowPtr pWin, RegionPtr prgn, CARD32 index); void mgaDRIMoveBuffers(WindowPtr pParent, DDXPointRec ptOldOrg, RegionPtr prgnSrc, CARD32 index); #endif extern void MGASetClippingRectangle(ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2); extern void MGADisableClipping(ScrnInfoPtr pScrn); extern void MGAFillSolidRectsDMA(ScrnInfoPtr pScrn, int fg, int rop, unsigned int planemask, int nBox, BoxPtr pBox); extern void MGAFillSolidSpansDMA(ScrnInfoPtr pScrn, int fg, int rop, unsigned int planemask, int n, DDXPointPtr ppt, int *pwidth, int fSorted); extern void MGAFillMono8x8PatternRectsTwoPass(ScrnInfoPtr pScrn, int fg, int bg, int rop, unsigned int planemask, int nBox, BoxPtr pBox, int pattern0, int pattern1, int xorigin, int yorigin); extern void MGAValidatePolyArc(GCPtr, unsigned long, DrawablePtr); extern void MGAValidatePolyPoint(GCPtr, unsigned long, DrawablePtr); extern void MGAFillCacheBltRects(ScrnInfoPtr, int, unsigned int, int, BoxPtr, int, int, XAACacheInfoPtr); static __inline__ void common_replicate_colors_and_mask( unsigned int fg, unsigned int bg, unsigned int pm, unsigned int bpp, unsigned int * rep_fg, unsigned int * rep_bg, unsigned int * rep_pm ) { switch( bpp ) { case 8: *rep_fg = REPLICATE_8( fg ); *rep_bg = REPLICATE_8( bg ); *rep_pm = REPLICATE_8( pm ); break; case 16: *rep_fg = REPLICATE_16( fg ); *rep_bg = REPLICATE_16( bg ); *rep_pm = REPLICATE_16( pm ); break; case 24: *rep_fg = REPLICATE_24( fg ); *rep_bg = REPLICATE_24( bg ); *rep_pm = REPLICATE_24( pm ); break; case 32: *rep_fg = REPLICATE_32( fg ); *rep_bg = REPLICATE_32( bg ); *rep_pm = REPLICATE_32( pm ); break; } } #ifdef RENDER static Bool MGASetupForCPUToScreenAlphaTexture(ScrnInfoPtr pScrn, int op, CARD16 red, CARD16 green, CARD16 blue, CARD16 alpha, int alphaType, CARD8 *alphaPtr, int alphaPitch, int width, int height, int flags); static Bool MGASetupForCPUToScreenAlphaTextureFaked(ScrnInfoPtr Scrn, int op, CARD16 red, CARD16 green, CARD16 blue, CARD16 alpha, int alphaType, CARD8 *alphaPtr, int alphaPitch, int width, int height, int flags); static Bool MGASetupForCPUToScreenTexture(ScrnInfoPtr pScrn, int op, int texType, CARD8 *texPtr, int texPitch, int width, int height, int flags); static void MGASubsequentCPUToScreenTexture(ScrnInfoPtr pScrn, int dstx, int dsty, int srcx, int srcy, int width, int height); #include "mipict.h" #include "dixstruct.h" CARD32 MGAAlphaTextureFormats[2] = {PICT_a8, 0}; CARD32 MGATextureFormats[2] = {PICT_a8r8g8b8, 0}; static void RemoveLinear (FBLinearPtr linear) { MGAPtr pMga = (MGAPtr)(linear->devPrivate.ptr); pMga->LinearScratch = NULL; /* just lost our scratch */ } static void RenderCallback (ScrnInfoPtr pScrn) { MGAPtr pMga = MGAPTR(pScrn); if((currentTime.milliseconds > pMga->RenderTime) && pMga->LinearScratch) { xf86FreeOffscreenLinear(pMga->LinearScratch); pMga->LinearScratch = NULL; } if(!pMga->LinearScratch) pMga->RenderCallback = NULL; } #define RENDER_DELAY 15000 static Bool AllocateLinear ( ScrnInfoPtr pScrn, int sizeNeeded ){ MGAPtr pMga = MGAPTR(pScrn); pMga->RenderTime = currentTime.milliseconds + RENDER_DELAY; pMga->RenderCallback = RenderCallback; if(pMga->LinearScratch) { if(pMga->LinearScratch->size >= sizeNeeded) return TRUE; else { if(xf86ResizeOffscreenLinear(pMga->LinearScratch, sizeNeeded)) return TRUE; xf86FreeOffscreenLinear(pMga->LinearScratch); pMga->LinearScratch = NULL; } } pMga->LinearScratch = xf86AllocateOffscreenLinear( pScrn->pScreen, sizeNeeded, 32, NULL, RemoveLinear, pMga); return (pMga->LinearScratch != NULL); } static int GetPowerOfTwo(int w) { int Pof2 = 0; int i = 12; while(--i) { if(w & (1 << i)) { Pof2 = i; if(w & ((1 << i) - 1)) Pof2++; break; } } return Pof2; } static int tex_padw, tex_padh; Bool MGASetupForCPUToScreenAlphaTextureFaked( ScrnInfoPtr pScrn, int op, CARD16 red, CARD16 green, CARD16 blue, CARD16 alpha, int alphaType, CARD8 *alphaPtr, int alphaPitch, int width, int height, int flags ) { int log2w, log2h, pitch, sizeNeeded, offset; MGAPtr pMga = MGAPTR(pScrn); if(op != PictOpOver) /* only one tested */ return FALSE; if((width > 2048) || (height > 2048)) return FALSE; log2w = GetPowerOfTwo(width); log2h = GetPowerOfTwo(height); CHECK_DMA_QUIESCENT(pMga, pScrn); if(pMga->Overlay8Plus24) { WAITFIFO(1); SET_PLANEMASK_REPLICATED( 0x00ffffff, 0xffffffff, 32 ); } pitch = (width + 15) & ~15; sizeNeeded = pitch * height; if(pScrn->bitsPerPixel == 16) sizeNeeded <<= 1; if(!AllocateLinear(pScrn, sizeNeeded)) return FALSE; offset = pMga->LinearScratch->offset << 1; if(pScrn->bitsPerPixel == 32) offset <<= 1; if(pMga->AccelInfoRec->NeedToSync) MGAStormSync(pScrn); XAA_888_plus_PICT_a8_to_8888( (blue >> 8) | (green & 0xff00) | ((red & 0xff00) << 8), alphaPtr, alphaPitch, (CARD32*)(pMga->FbStart + offset), pitch, width, height); tex_padw = 1 << log2w; tex_padh = 1 << log2h; WAITFIFO(15); OUTREG(MGAREG_TMR0, (1 << 20) / tex_padw); /* sx inc */ OUTREG(MGAREG_TMR1, 0); /* sy inc */ OUTREG(MGAREG_TMR2, 0); /* tx inc */ OUTREG(MGAREG_TMR3, (1 << 20) / tex_padh); /* ty inc */ OUTREG(MGAREG_TMR4, 0x00000000); OUTREG(MGAREG_TMR5, 0x00000000); OUTREG(MGAREG_TMR8, 0x00010000); OUTREG(MGAREG_TEXORG, offset); OUTREG(MGAREG_TEXWIDTH, log2w | (((8 - log2w) & 63) << 9) | ((width - 1) << 18)); OUTREG(MGAREG_TEXHEIGHT, log2h | (((8 - log2h) & 63) << 9) | ((height - 1) << 18)); OUTREG(MGAREG_TEXCTL, 0x1A000106 | ((pitch & 0x07FF) << 9)); OUTREG(MGAREG_TEXCTL2, 0x00000014); OUTREG(MGAREG_DWGCTL, 0x000c7076); OUTREG(MGAREG_TEXFILTER, 0x01e00020); OUTREG(MGAREG_ALPHACTRL, 0x00000154); return TRUE; } Bool MGASetupForCPUToScreenAlphaTexture ( ScrnInfoPtr pScrn, int op, CARD16 red, CARD16 green, CARD16 blue, CARD16 alpha, int alphaType, CARD8 *alphaPtr, int alphaPitch, int width, int height, int flags ){ int log2w, log2h, i, pitch, sizeNeeded, offset; CARD8 *dst; MGAPtr pMga = MGAPTR(pScrn); if(op != PictOpOver) /* only one tested */ return FALSE; if((width > 2048) || (height > 2048)) return FALSE; log2w = GetPowerOfTwo(width); log2h = GetPowerOfTwo(height); CHECK_DMA_QUIESCENT(pMga, pScrn); if(pMga->Overlay8Plus24) { WAITFIFO(1); SET_PLANEMASK_REPLICATED( 0x00ffffff, 0xffffffff, 32 ); } pitch = (width + 15) & ~15; sizeNeeded = (pitch * height) >> 1; if(pScrn->bitsPerPixel == 32) sizeNeeded >>= 1; if(!AllocateLinear(pScrn, sizeNeeded)) return FALSE; offset = pMga->LinearScratch->offset << 1; if(pScrn->bitsPerPixel == 32) offset <<= 1; if(pMga->AccelInfoRec->NeedToSync) MGAStormSync(pScrn); i = height; dst = pMga->FbStart + offset; while(i--) { memcpy(dst, alphaPtr, width); dst += pitch; alphaPtr += alphaPitch; } tex_padw = 1 << log2w; tex_padh = 1 << log2h; WAITFIFO(12); OUTREG(MGAREG_DR4, red << 7); /* red start */ OUTREG(MGAREG_DR6, 0); OUTREG(MGAREG_DR7, 0); OUTREG(MGAREG_DR8, green << 7); /* green start */ OUTREG(MGAREG_DR10, 0); OUTREG(MGAREG_DR11, 0); OUTREG(MGAREG_DR12, blue << 7); /* blue start */ OUTREG(MGAREG_DR14, 0); OUTREG(MGAREG_DR15, 0); OUTREG(MGAREG_ALPHASTART, alpha << 7); /* alpha start */ OUTREG(MGAREG_ALPHAXINC, 0); OUTREG(MGAREG_ALPHAYINC, 0); WAITFIFO(15); OUTREG(MGAREG_TMR0, (1 << 20) / tex_padw); /* sx inc */ OUTREG(MGAREG_TMR1, 0); /* sy inc */ OUTREG(MGAREG_TMR2, 0); /* tx inc */ OUTREG(MGAREG_TMR3, (1 << 20) / tex_padh); /* ty inc */ OUTREG(MGAREG_TMR4, 0x00000000); OUTREG(MGAREG_TMR5, 0x00000000); OUTREG(MGAREG_TMR8, 0x00010000); OUTREG(MGAREG_TEXORG, offset); OUTREG(MGAREG_TEXWIDTH, log2w | (((8 - log2w) & 63) << 9) | ((width - 1) << 18)); OUTREG(MGAREG_TEXHEIGHT, log2h | (((8 - log2h) & 63) << 9) | ((height - 1) << 18)); OUTREG(MGAREG_TEXCTL, 0x3A000107 | ((pitch & 0x07FF) << 9)); OUTREG(MGAREG_TEXCTL2, 0x00000014); OUTREG(MGAREG_DWGCTL, 0x000c7076); OUTREG(MGAREG_TEXFILTER, 0x01e00020); OUTREG(MGAREG_ALPHACTRL, 0x02000151); return TRUE; } Bool MGASetupForCPUToScreenTexture ( ScrnInfoPtr pScrn, int op, int texType, CARD8 *texPtr, int texPitch, int width, int height, int flags ){ int log2w, log2h, i, pitch, sizeNeeded, offset; MGAPtr pMga = MGAPTR(pScrn); if(op != PictOpOver) /* only one tested */ return FALSE; if((width > 2048) || (height > 2048)) return FALSE; log2w = GetPowerOfTwo(width); log2h = GetPowerOfTwo(height); CHECK_DMA_QUIESCENT(pMga, pScrn); if(pMga->Overlay8Plus24) { WAITFIFO(1); SET_PLANEMASK_REPLICATED( 0x00ffffff, 0xffffffff, 32 ); } pitch = (width + 15) & ~15; sizeNeeded = pitch * height; if(pScrn->bitsPerPixel == 16) sizeNeeded <<= 1; if(!AllocateLinear(pScrn, sizeNeeded)) return FALSE; offset = pMga->LinearScratch->offset << 1; if(pScrn->bitsPerPixel == 32) offset <<= 1; if(pMga->AccelInfoRec->NeedToSync) MGAStormSync(pScrn); { CARD8 *dst = (CARD8*)(pMga->FbStart + offset); i = height; while(i--) { memcpy(dst, texPtr, width << 2); texPtr += texPitch; dst += pitch << 2; } } tex_padw = 1 << log2w; tex_padh = 1 << log2h; WAITFIFO(15); OUTREG(MGAREG_TMR0, (1 << 20) / tex_padw); /* sx inc */ OUTREG(MGAREG_TMR1, 0); /* sy inc */ OUTREG(MGAREG_TMR2, 0); /* tx inc */ OUTREG(MGAREG_TMR3, (1 << 20) / tex_padh); /* ty inc */ OUTREG(MGAREG_TMR4, 0x00000000); OUTREG(MGAREG_TMR5, 0x00000000); OUTREG(MGAREG_TMR8, 0x00010000); OUTREG(MGAREG_TEXORG, offset); OUTREG(MGAREG_TEXWIDTH, log2w | (((8 - log2w) & 63) << 9) | ((width - 1) << 18)); OUTREG(MGAREG_TEXHEIGHT, log2h | (((8 - log2h) & 63) << 9) | ((height - 1) << 18)); OUTREG(MGAREG_TEXCTL, 0x1A000106 | ((pitch & 0x07FF) << 9)); OUTREG(MGAREG_TEXCTL2, 0x00000014); OUTREG(MGAREG_DWGCTL, 0x000c7076); OUTREG(MGAREG_TEXFILTER, 0x01e00020); OUTREG(MGAREG_ALPHACTRL, 0x00000151); return TRUE; } void MGASubsequentCPUToScreenTexture ( ScrnInfoPtr pScrn, int dstx, int dsty, int srcx, int srcy, int width, int height ){ MGAPtr pMga = MGAPTR(pScrn); WAITFIFO(4); OUTREG(MGAREG_TMR6, (srcx << 20) / tex_padw); OUTREG(MGAREG_TMR7, (srcy << 20) / tex_padh); OUTREG(MGAREG_FXBNDRY, ((dstx + width) << 16) | (dstx & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (dsty << 16) | height); pMga->AccelInfoRec->NeedToSync = TRUE; } #endif /* defined(RENDER) */ Bool mgaAccelInit( ScreenPtr pScreen ) { XAAInfoRecPtr infoPtr; ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; MGAPtr pMga = MGAPTR(pScrn); int maxFastBlitMem, maxlines; Bool doRender = FALSE; BoxRec AvailFBArea; int i; pMga->ScratchBuffer = xalloc(((pScrn->displayWidth * pMga->CurrentLayout.bitsPerPixel) + 127) >> 3); if(!pMga->ScratchBuffer) return FALSE; pMga->AccelInfoRec = infoPtr = XAACreateInfoRec(); if(!infoPtr) return FALSE; pMga->RenderTime = 0; pMga->LinearScratch = 0; pMga->MaxFastBlitY = 0; pMga->MaxBlitDWORDS = 0x40000 >> 5; /* Set initial acceleration flags. */ pMga->AccelFlags = pMga->chip_attribs->accel_flags; if ((pMga->FbMapSize > 8*1024*1024) && (pScrn->depth == 8)) { pMga->AccelFlags |= LARGE_ADDRESSES; } if (pMga->CurrentLayout.bitsPerPixel == 24) { pMga->AccelFlags |= MGA_NO_PLANEMASK; } if (pMga->SecondCrtc) { pMga->HasFBitBlt = FALSE; } if(pMga->HasSDRAM) { pMga->Atype = pMga->AtypeNoBLK = MGAAtypeNoBLK; pMga->AccelFlags &= ~TWO_PASS_COLOR_EXPAND; } else { pMga->Atype = MGAAtype; pMga->AtypeNoBLK = MGAAtypeNoBLK; } /* fill out infoPtr here */ infoPtr->Flags = PIXMAP_CACHE | OFFSCREEN_PIXMAPS | LINEAR_FRAMEBUFFER | MICROSOFT_ZERO_LINE_BIAS; /* sync */ infoPtr->Sync = MGAStormSync; /* screen to screen copy */ infoPtr->ScreenToScreenCopyFlags = NO_TRANSPARENCY; infoPtr->SetupForScreenToScreenCopy = mgaSetupForScreenToScreenCopy; infoPtr->SubsequentScreenToScreenCopy = mgaSubsequentScreenToScreenCopy; if(pMga->HasFBitBlt) { infoPtr->FillCacheBltRects = MGAFillCacheBltRects; infoPtr->FillCacheBltRectsFlags = NO_TRANSPARENCY; } /* solid fills */ infoPtr->SetupForSolidFill = mgaSetupForSolidFill; infoPtr->SubsequentSolidFillRect = mgaSubsequentSolidFillRect; infoPtr->SubsequentSolidFillTrap = mgaSubsequentSolidFillTrap; /* solid lines */ infoPtr->SetupForSolidLine = infoPtr->SetupForSolidFill; infoPtr->SubsequentSolidHorVertLine = mgaSubsequentSolidHorVertLine; infoPtr->SubsequentSolidTwoPointLine = mgaSubsequentSolidTwoPointLine; /* clipping */ infoPtr->SetClippingRectangle = MGASetClippingRectangle; infoPtr->DisableClipping = MGADisableClipping; infoPtr->ClippingFlags = HARDWARE_CLIP_SOLID_LINE | HARDWARE_CLIP_DASHED_LINE | HARDWARE_CLIP_SOLID_FILL | HARDWARE_CLIP_MONO_8x8_FILL; #if X_BYTE_ORDER == X_LITTLE_ENDIAN /* dashed lines */ infoPtr->DashedLineFlags = LINE_PATTERN_MSBFIRST_LSBJUSTIFIED; infoPtr->SetupForDashedLine = mgaSetupForDashedLine; infoPtr->SubsequentDashedTwoPointLine = mgaSubsequentDashedTwoPointLine; infoPtr->DashPatternMaxLength = 128; #endif /* 8x8 mono patterns */ infoPtr->Mono8x8PatternFillFlags = HARDWARE_PATTERN_PROGRAMMED_BITS | HARDWARE_PATTERN_PROGRAMMED_ORIGIN | HARDWARE_PATTERN_SCREEN_ORIGIN | BIT_ORDER_IN_BYTE_MSBFIRST; infoPtr->SetupForMono8x8PatternFill = mgaSetupForMono8x8PatternFill; infoPtr->SubsequentMono8x8PatternFillRect = mgaSubsequentMono8x8PatternFillRect; infoPtr->SubsequentMono8x8PatternFillTrap = mgaSubsequentMono8x8PatternFillTrap; /* cpu to screen color expansion */ infoPtr->ScanlineCPUToScreenColorExpandFillFlags = CPU_TRANSFER_PAD_DWORD | SCANLINE_PAD_DWORD | #if X_BYTE_ORDER == X_BIG_ENDIAN BIT_ORDER_IN_BYTE_MSBFIRST | #else BIT_ORDER_IN_BYTE_LSBFIRST | #endif LEFT_EDGE_CLIPPING | LEFT_EDGE_CLIPPING_NEGATIVE_X; if(pMga->ILOADBase) { pMga->ColorExpandBase = pMga->ILOADBase; } else { pMga->ColorExpandBase = pMga->IOBase; } infoPtr->SetupForScanlineCPUToScreenColorExpandFill = mgaSetupForScanlineCPUToScreenColorExpandFill; infoPtr->SubsequentScanlineCPUToScreenColorExpandFill = mgaSubsequentScanlineCPUToScreenColorExpandFill; infoPtr->SubsequentColorExpandScanline = mgaSubsequentColorExpandScanline; infoPtr->NumScanlineColorExpandBuffers = 1; infoPtr->ScanlineColorExpandBuffers = &(pMga->ColorExpandBase); /* screen to screen color expansion */ if(pMga->AccelFlags & USE_LINEAR_EXPANSION) { infoPtr->ScreenToScreenColorExpandFillFlags = BIT_ORDER_IN_BYTE_LSBFIRST; infoPtr->SetupForScreenToScreenColorExpandFill = mgaSetupForScreenToScreenColorExpandFill; infoPtr->SubsequentScreenToScreenColorExpandFill = mgaSubsequentScreenToScreenColorExpandFill; } else if ( pMga->CurrentLayout.bitsPerPixel != 24 ) { /* Alternate (but slower) planar expansions */ infoPtr->SetupForScreenToScreenColorExpandFill = mgaSetupForPlanarScreenToScreenColorExpandFill; infoPtr->SubsequentScreenToScreenColorExpandFill = mgaSubsequentPlanarScreenToScreenColorExpandFill; infoPtr->CacheColorExpandDensity = pMga->CurrentLayout.bitsPerPixel; infoPtr->CacheMonoStipple = XAAGetCachePlanarMonoStipple(); /* It's faster to blit the stipples if you have fastbilt */ if(pMga->HasFBitBlt) infoPtr->ScreenToScreenColorExpandFillFlags = TRANSPARENCY_ONLY; } /* image writes */ infoPtr->ScanlineImageWriteFlags = CPU_TRANSFER_PAD_DWORD | SCANLINE_PAD_DWORD | LEFT_EDGE_CLIPPING | LEFT_EDGE_CLIPPING_NEGATIVE_X | NO_TRANSPARENCY | NO_GXCOPY; infoPtr->SetupForScanlineImageWrite = mgaSetupForScanlineImageWrite; infoPtr->SubsequentScanlineImageWriteRect = mgaSubsequentScanlineImageWriteRect; infoPtr->SubsequentImageWriteScanline = mgaSubsequentImageWriteScanline; infoPtr->NumScanlineImageWriteBuffers = 1; infoPtr->ScanlineImageWriteBuffers = &(pMga->ScratchBuffer); /* midrange replacements */ if(pMga->ILOADBase && pMga->UsePCIRetry && infoPtr->SetupForSolidFill) { infoPtr->FillSolidRects = MGAFillSolidRectsDMA; infoPtr->FillSolidSpans = MGAFillSolidSpansDMA; } if(pMga->AccelFlags & TWO_PASS_COLOR_EXPAND) { if(infoPtr->SetupForMono8x8PatternFill) infoPtr->FillMono8x8PatternRects = MGAFillMono8x8PatternRectsTwoPass; } if(infoPtr->SetupForSolidFill) { infoPtr->ValidatePolyArc = MGAValidatePolyArc; infoPtr->PolyArcMask = GCFunction | GCLineWidth | GCPlaneMask | GCLineStyle | GCFillStyle; infoPtr->ValidatePolyPoint = MGAValidatePolyPoint; infoPtr->PolyPointMask = GCFunction | GCPlaneMask; } if(pMga->AccelFlags & MGA_NO_PLANEMASK) { infoPtr->ScanlineImageWriteFlags |= NO_PLANEMASK; infoPtr->ScreenToScreenCopyFlags |= NO_PLANEMASK; infoPtr->ScanlineCPUToScreenColorExpandFillFlags |= NO_PLANEMASK; infoPtr->SolidFillFlags |= NO_PLANEMASK; infoPtr->SolidLineFlags |= NO_PLANEMASK; #if X_BYTE_ORDER == X_LITTLE_ENDIAN infoPtr->DashedLineFlags |= NO_PLANEMASK; #endif infoPtr->Mono8x8PatternFillFlags |= NO_PLANEMASK; infoPtr->ScreenToScreenColorExpandFillFlags |= NO_PLANEMASK; infoPtr->FillSolidRectsFlags |= NO_PLANEMASK; infoPtr->FillSolidSpansFlags |= NO_PLANEMASK; infoPtr->FillMono8x8PatternRectsFlags |= NO_PLANEMASK; infoPtr->FillCacheBltRectsFlags |= NO_PLANEMASK; } maxFastBlitMem = (pMga->Interleave ? 4096 : 2048) * 1024; if(pMga->FbMapSize > maxFastBlitMem) { pMga->MaxFastBlitY = maxFastBlitMem / (pScrn->displayWidth * pMga->CurrentLayout.bitsPerPixel / 8); } switch (pMga->Chipset) { case PCI_CHIP_MGAG200_SE_A_PCI: case PCI_CHIP_MGAG200_SE_B_PCI: maxlines = (min(pMga->FbUsableSize, 1*1024*1024)) / (pScrn->displayWidth * pMga->CurrentLayout.bitsPerPixel / 8); break; default: maxlines = (min(pMga->FbUsableSize, 16*1024*1024)) / (pScrn->displayWidth * pMga->CurrentLayout.bitsPerPixel / 8); break; } #ifdef XF86DRI if ( pMga->directRenderingEnabled ) { MGADRIServerPrivatePtr pMGADRIServer = pMga->DRIServerInfo; BoxRec MemBox; int cpp = pScrn->bitsPerPixel / 8; int widthBytes = pScrn->displayWidth * cpp; int bufferSize = ((pScrn->virtualY * widthBytes + MGA_BUFFER_ALIGN) & ~MGA_BUFFER_ALIGN); int scanlines; pMGADRIServer->frontOffset = 0; pMGADRIServer->frontPitch = widthBytes; /* Try for front, back, depth, and two framebuffers worth of * pixmap cache. Should be enough for a fullscreen background * image plus some leftovers. */ pMGADRIServer->textureSize = pMga->FbMapSize - 5 * bufferSize; /* If that gives us less than half the available memory, let's * be greedy and grab some more. Sorry, I care more about 3D * performance than playing nicely, and you'll get around a full * framebuffer's worth of pixmap cache anyway. */ if ( pMGADRIServer->textureSize < (int)pMga->FbMapSize / 2 ) { pMGADRIServer->textureSize = pMga->FbMapSize - 4 * bufferSize; } /* Check to see if there is more room available after the maximum * scanline for textures. */ if ( (int)pMga->FbMapSize - maxlines * widthBytes - bufferSize * 2 > pMGADRIServer->textureSize ) { pMGADRIServer->textureSize = (pMga->FbMapSize - maxlines * widthBytes - bufferSize * 2); } /* Set a minimum usable local texture heap size. This will fit * two 256x256x32bpp textures. */ if ( pMGADRIServer->textureSize < 512 * 1024 ) { pMGADRIServer->textureOffset = 0; pMGADRIServer->textureSize = 0; } /* Reserve space for textures */ pMGADRIServer->textureOffset = (pMga->FbMapSize - pMGADRIServer->textureSize + MGA_BUFFER_ALIGN) & ~MGA_BUFFER_ALIGN; /* Reserve space for the shared depth buffer */ pMGADRIServer->depthOffset = (pMGADRIServer->textureOffset - bufferSize + MGA_BUFFER_ALIGN) & ~MGA_BUFFER_ALIGN; pMGADRIServer->depthPitch = widthBytes; /* Reserve space for the shared back buffer */ pMGADRIServer->backOffset = (pMGADRIServer->depthOffset - bufferSize + MGA_BUFFER_ALIGN) & ~MGA_BUFFER_ALIGN; pMGADRIServer->backPitch = widthBytes; scanlines = pMGADRIServer->backOffset / widthBytes - 1; if ( scanlines > maxlines ) scanlines = maxlines; MemBox.x1 = 0; MemBox.y1 = 0; MemBox.x2 = pScrn->displayWidth; MemBox.y2 = scanlines; if ( !xf86InitFBManager( pScreen, &MemBox ) ) { xf86DrvMsg( pScrn->scrnIndex, X_ERROR, "Memory manager initialization to (%d,%d) (%d,%d) failed\n", MemBox.x1, MemBox.y1, MemBox.x2, MemBox.y2 ); return FALSE; } else { int width, height; xf86DrvMsg( pScrn->scrnIndex, X_INFO, "Memory manager initialized to (%d,%d) (%d,%d)\n", MemBox.x1, MemBox.y1, MemBox.x2, MemBox.y2 ); if ( xf86QueryLargestOffscreenArea( pScreen, &width, &height, 0, 0, 0 ) ) { xf86DrvMsg( pScrn->scrnIndex, X_INFO, "Largest offscreen area available: %d x %d\n", width, height ); } } xf86DrvMsg( pScrn->scrnIndex, X_INFO, "Reserved back buffer at offset 0x%x\n", pMGADRIServer->backOffset ); xf86DrvMsg( pScrn->scrnIndex, X_INFO, "Reserved depth buffer at offset 0x%x\n", pMGADRIServer->depthOffset ); xf86DrvMsg( pScrn->scrnIndex, X_INFO, "Reserved %d kb for textures at offset 0x%x\n", pMGADRIServer->textureSize/1024, pMGADRIServer->textureOffset ); } else #endif /* defined(XF86DRI) */ { AvailFBArea.x1 = 0; AvailFBArea.x2 = pScrn->displayWidth; AvailFBArea.y1 = 0; AvailFBArea.y2 = maxlines; /* * Need to keep a strip of memory to the right of screen to workaround * a display problem with the second CRTC. */ if (pMga->SecondCrtc) AvailFBArea.x2 = pScrn->virtualX; xf86InitFBManager(pScreen, &AvailFBArea); xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Using %d lines for offscreen " "memory.\n", maxlines - pScrn->virtualY); } for (i = 0; i < pScrn->numEntities; i++) { if (xf86IsEntityShared(pScrn->entityList[i])) { infoPtr->RestoreAccelState = mgaRestoreAccelState; break; } } #ifdef RENDER if(doRender && ((pScrn->bitsPerPixel == 32) || (pScrn->bitsPerPixel == 16))) { if(pMga->Chipset == PCI_CHIP_MGAG400 || pMga->Chipset == PCI_CHIP_MGAG550) { infoPtr->CPUToScreenAlphaTextureFlags = XAA_RENDER_NO_TILE; infoPtr->SetupForCPUToScreenAlphaTexture = MGASetupForCPUToScreenAlphaTexture; } else { infoPtr->CPUToScreenAlphaTextureFlags = XAA_RENDER_NO_TILE | XAA_RENDER_NO_SRC_ALPHA; infoPtr->SetupForCPUToScreenAlphaTexture = MGASetupForCPUToScreenAlphaTextureFaked; } infoPtr->SubsequentCPUToScreenAlphaTexture = MGASubsequentCPUToScreenTexture; infoPtr->CPUToScreenAlphaTextureFormats = MGAAlphaTextureFormats; infoPtr->SetupForCPUToScreenTexture = MGASetupForCPUToScreenTexture; infoPtr->SubsequentCPUToScreenTexture = MGASubsequentCPUToScreenTexture; infoPtr->CPUToScreenTextureFlags = XAA_RENDER_NO_TILE; infoPtr->CPUToScreenTextureFormats = MGATextureFormats; } #endif /* defined(RENDER) */ return(XAAInit(pScreen, infoPtr)); } /* Support for multiscreen */ void mgaRestoreAccelState(ScrnInfoPtr pScrn) { MGAPtr pMga = MGAPTR(pScrn); MGAFBLayout *pLayout = &pMga->CurrentLayout; unsigned int replicate_fg = 0; unsigned int replicate_bg = 0; unsigned int replicate_pm = 0; MGAStormSync(pScrn); WAITFIFO(12); pMga->SrcOrg = 0; OUTREG(MGAREG_MACCESS, pMga->MAccess); OUTREG(MGAREG_PITCH, pLayout->displayWidth); OUTREG(MGAREG_YDSTORG, pMga->YDstOrg); common_replicate_colors_and_mask( pMga->FgColor, pMga->BgColor, pMga->PlaneMask, pLayout->bitsPerPixel, & replicate_fg, & replicate_bg, & replicate_pm ); if( (pLayout->bitsPerPixel != 24) && ((pMga->AccelFlags & MGA_NO_PLANEMASK) == 0) ) { OUTREG( MGAREG_PLNWT, replicate_pm ); } OUTREG( MGAREG_BCOL, replicate_bg ); OUTREG( MGAREG_FCOL, replicate_fg ); OUTREG(MGAREG_SRCORG, pMga->realSrcOrg); OUTREG(MGAREG_DSTORG, pMga->DstOrg); #if X_BYTE_ORDER == X_LITTLE_ENDIAN OUTREG(MGAREG_OPMODE, MGAOPM_DMA_BLIT ); #else OUTREG(MGAREG_OPMODE, MGAOPM_DMA_BLIT | 0x10000); #endif OUTREG(MGAREG_CXBNDRY, 0xFFFF0000); /* (maxX << 16) | minX */ OUTREG(MGAREG_YTOP, 0x00000000); /* minPixelPointer */ OUTREG(MGAREG_YBOT, 0x007FFFFF); /* maxPixelPointer */ pMga->AccelFlags &= ~CLIPPER_ON; } CARD32 MGAAtype[16] = { MGADWG_RPL | 0x00000000, MGADWG_RSTR | 0x00080000, MGADWG_RSTR | 0x00040000, MGADWG_BLK | 0x000c0000, MGADWG_RSTR | 0x00020000, MGADWG_RSTR | 0x000a0000, MGADWG_RSTR | 0x00060000, MGADWG_RSTR | 0x000e0000, MGADWG_RSTR | 0x00010000, MGADWG_RSTR | 0x00090000, MGADWG_RSTR | 0x00050000, MGADWG_RSTR | 0x000d0000, MGADWG_RPL | 0x00030000, MGADWG_RSTR | 0x000b0000, MGADWG_RSTR | 0x00070000, MGADWG_RPL | 0x000f0000 }; CARD32 MGAAtypeNoBLK[16] = { MGADWG_RPL | 0x00000000, MGADWG_RSTR | 0x00080000, MGADWG_RSTR | 0x00040000, MGADWG_RPL | 0x000c0000, MGADWG_RSTR | 0x00020000, MGADWG_RSTR | 0x000a0000, MGADWG_RSTR | 0x00060000, MGADWG_RSTR | 0x000e0000, MGADWG_RSTR | 0x00010000, MGADWG_RSTR | 0x00090000, MGADWG_RSTR | 0x00050000, MGADWG_RSTR | 0x000d0000, MGADWG_RPL | 0x00030000, MGADWG_RSTR | 0x000b0000, MGADWG_RSTR | 0x00070000, MGADWG_RPL | 0x000f0000 }; Bool MGAStormAccelInit(ScreenPtr pScreen) { return mgaAccelInit( pScreen ); } void MGAStormSync(ScrnInfoPtr pScrn) { MGAPtr pMga = MGAPTR(pScrn); CHECK_DMA_QUIESCENT(pMga, pScrn); /* MGAISBUSY() reportedly causes a freeze for Mystique revision 2 and older */ if (!(pMga->Chipset == PCI_CHIP_MGA1064 && (pMga->ChipRev >= 0 && pMga->ChipRev <= 2))) while(MGAISBUSY()); /* flush cache before a read (mga-1064g 5.1.6) */ OUTREG8(MGAREG_CRTC_INDEX, 0); if(pMga->AccelFlags & CLIPPER_ON) { pMga->AccelFlags &= ~CLIPPER_ON; OUTREG(MGAREG_CXBNDRY, 0xFFFF0000); } } void MGAStormEngineInit( ScrnInfoPtr pScrn ) { long maccess = 0; MGAPtr pMga = MGAPTR(pScrn); MGAFBLayout *pLayout = &pMga->CurrentLayout; CARD32 opmode; static const unsigned int maccess_table[5] = { /* bpp: 8 16 24 32 */ 0, 0, 1, 3, 2 }; static const unsigned int opmode_table[5] = { /* bpp: 8 16 24 32 */ 0x00000, 0x00000, 0x10000, 0x20000, 0x20000 }; CHECK_DMA_QUIESCENT(pMga, pScrn); if ((pMga->Chipset == PCI_CHIP_MGAG100) || (pMga->Chipset == PCI_CHIP_MGAG100_PCI)) maccess = 1 << 14; opmode = INREG(MGAREG_OPMODE); maccess |= maccess_table[ pLayout->bitsPerPixel / 8 ]; if ( pLayout->depth == 15 ) { maccess |= (1 << 31); } opmode |= opmode_table[ pLayout->bitsPerPixel / 8 ]; #if X_BYTE_ORDER == X_LITTLE_ENDIAN opmode &= ~0x30000; #endif pMga->SetupForSolidFill = mgaSetupForSolidFill; pMga->SubsequentSolidFillRect = mgaSubsequentSolidFillRect; pMga->RestoreAccelState = mgaRestoreAccelState; pMga->fifoCount = 0; while(MGAISBUSY()); if(!pMga->FifoSize) { pMga->FifoSize = INREG8(MGAREG_FIFOSTATUS); xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "%i DWORD fifo\n", pMga->FifoSize); } OUTREG(MGAREG_PITCH, pLayout->displayWidth); OUTREG(MGAREG_YDSTORG, pMga->YDstOrg); OUTREG(MGAREG_MACCESS, maccess); pMga->MAccess = maccess; pMga->PlaneMask = ~0; /* looks like this doesn't apply to mga g100 pci */ if ((pMga->Chipset != PCI_CHIP_MGAG100) && (pMga->Chipset != PCI_CHIP_MGAG100_PCI)) OUTREG(MGAREG_PLNWT, pMga->PlaneMask); pMga->FgColor = 0; OUTREG(MGAREG_FCOL, pMga->FgColor); pMga->BgColor = 0; OUTREG(MGAREG_BCOL, pMga->BgColor); OUTREG(MGAREG_OPMODE, MGAOPM_DMA_BLIT | opmode); /* put clipping in a known state */ OUTREG(MGAREG_CXBNDRY, 0xFFFF0000); /* (maxX << 16) | minX */ OUTREG(MGAREG_YTOP, 0x00000000); /* minPixelPointer */ OUTREG(MGAREG_YBOT, 0x007FFFFF); /* maxPixelPointer */ pMga->AccelFlags &= ~CLIPPER_ON; switch(pMga->Chipset) { case PCI_CHIP_MGAG550: case PCI_CHIP_MGAG400: case PCI_CHIP_MGAG200: case PCI_CHIP_MGAG200_PCI: case PCI_CHIP_MGAG200_SE_A_PCI: case PCI_CHIP_MGAG200_SE_B_PCI: pMga->SrcOrg = 0; OUTREG(MGAREG_SRCORG, pMga->realSrcOrg); OUTREG(MGAREG_DSTORG, pMga->DstOrg); break; default: break; } xf86SetLastScrnFlag(pScrn->entityList[0], pScrn->scrnIndex); } void MGASetClippingRectangle( ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2 ){ MGAPtr pMga = MGAPTR(pScrn); CHECK_DMA_QUIESCENT(pMga, pScrn); WAITFIFO(3); OUTREG(MGAREG_CXBNDRY,(x2 << 16) | x1); OUTREG(MGAREG_YTOP, (y1 * pScrn->displayWidth) + pMga->YDstOrg); OUTREG(MGAREG_YBOT, (y2 * pScrn->displayWidth) + pMga->YDstOrg); pMga->AccelFlags |= CLIPPER_ON; } void MGADisableClipping(ScrnInfoPtr pScrn) { MGAPtr pMga = MGAPTR(pScrn); CHECK_DMA_QUIESCENT(pMga, pScrn); WAITFIFO(3); OUTREG(MGAREG_CXBNDRY, 0xFFFF0000); /* (maxX << 16) | minX */ OUTREG(MGAREG_YTOP, 0x00000000); /* minPixelPointer */ OUTREG(MGAREG_YBOT, 0x007FFFFF); /* maxPixelPointer */ pMga->AccelFlags &= ~CLIPPER_ON; } static CARD32 common_setup_for_pattern_fill( MGAPtr pMga, int fg, int bg, int rop, int planemask, CARD32 * reg_data, unsigned int count, CARD32 cmd ) { unsigned int replicate_fg = 0; unsigned int replicate_bg = 0; unsigned int replicate_pm = 0; unsigned int i; common_replicate_colors_and_mask( fg, bg, planemask, pMga->CurrentLayout.bitsPerPixel, & replicate_fg, & replicate_bg, & replicate_pm ); if( bg == -1 ) { if ( (pMga->CurrentLayout.bitsPerPixel == 24) && !RGBEQUAL(fg) ) { cmd |= MGADWG_TRANSC | pMga->AtypeNoBLK[rop]; } else { cmd |= MGADWG_TRANSC | pMga->Atype[rop]; } WAITFIFO( count + 3 ); } else { /* (Packed) 24-bit is a funky mode. We only use the Atype table in * 24-bit if the components of the foreground color and the components * of the background color are the same (e.g., fg = 0xf8f8f8 and bg = * 0x131313). */ if( ((pMga->AccelFlags & BLK_OPAQUE_EXPANSION) != 0) && ((pMga->CurrentLayout.bitsPerPixel != 24) || (RGBEQUAL(fg) && RGBEQUAL(bg))) ) { cmd |= pMga->Atype[rop]; } else { cmd |= pMga->AtypeNoBLK[rop]; } WAITFIFO( count + 4 ); SET_BACKGROUND_REPLICATED( bg, replicate_bg ); } SET_FOREGROUND_REPLICATED( fg, replicate_fg ); SET_PLANEMASK_REPLICATED( planemask, replicate_pm, pMga->CurrentLayout.bitsPerPixel ); /* FIXME: Is this the right order? */ for ( i = 0 ; i < count ; i++ ) { OUTREG( reg_data[0], reg_data[1] ); reg_data += 2; } OUTREG(MGAREG_DWGCTL, cmd); return cmd; } /*********************************************\ | Screen-to-Screen Copy | \*********************************************/ #define BLIT_LEFT 1 #define BLIT_UP 4 void mgaDoSetupForScreenToScreenCopy( ScrnInfoPtr pScrn, int xdir, int ydir, int rop, unsigned int planemask, int trans, unsigned bpp ) { MGAPtr pMga = MGAPTR(pScrn); CARD32 dwgctl = pMga->AtypeNoBLK[rop] | MGADWG_SHIFTZERO | MGADWG_BITBLT | MGADWG_BFCOL; unsigned int tmp; unsigned int replicated_trans = 0; unsigned int replicated_mask = 0; CHECK_DMA_QUIESCENT(pMga, pScrn); pMga->AccelInfoRec->SubsequentScreenToScreenCopy = mgaSubsequentScreenToScreenCopy; pMga->BltScanDirection = 0; if(ydir == -1) pMga->BltScanDirection |= BLIT_UP; if(xdir == -1) pMga->BltScanDirection |= BLIT_LEFT; else if(pMga->HasFBitBlt && (rop == GXcopy) && !pMga->DrawTransparent) pMga->AccelInfoRec->SubsequentScreenToScreenCopy = mgaSubsequentScreenToScreenCopy_FastBlit; common_replicate_colors_and_mask( trans, 0, planemask, bpp, & replicated_trans, & tmp, & replicated_mask ); if(pMga->DrawTransparent) { dwgctl |= MGADWG_TRANSC; WAITFIFO(2); SET_FOREGROUND_REPLICATED( trans, replicated_trans ); SET_BACKGROUND_REPLICATED( ~0, ~0 ); } WAITFIFO(4); OUTREG(MGAREG_DWGCTL, dwgctl); OUTREG(MGAREG_SGN, pMga->BltScanDirection); SET_PLANEMASK_REPLICATED( planemask, replicated_mask, bpp ); OUTREG(MGAREG_AR5, ydir * pMga->CurrentLayout.displayWidth); } void mgaSetupForScreenToScreenCopy( ScrnInfoPtr pScrn, int xdir, int ydir, int rop, unsigned int planemask, int trans ) { MGAPtr pMga = MGAPTR(pScrn); mgaDoSetupForScreenToScreenCopy( pScrn, xdir, ydir, rop, planemask, trans, pMga->CurrentLayout.bitsPerPixel ); } void mgaSubsequentScreenToScreenCopy( ScrnInfoPtr pScrn, int srcX, int srcY, int dstX, int dstY, int w, int h ) { int start, end, SrcOrg = 0, DstOrg = 0; MGAPtr pMga = MGAPTR(pScrn); if (pMga->AccelFlags & LARGE_ADDRESSES) { const unsigned int display_bit_width = (pMga->CurrentLayout.displayWidth * pMga->CurrentLayout.bitsPerPixel); SrcOrg = ((srcY & ~1023) * display_bit_width) >> 9; DstOrg = ((dstY & ~1023) * display_bit_width) >> 9; dstY &= 1023; } if(pMga->BltScanDirection & BLIT_UP) { srcY += h - 1; dstY += h - 1; } w--; start = end = XYADDRESS(srcX, srcY); if(pMga->BltScanDirection & BLIT_LEFT) start += w; else end += w; if (pMga->AccelFlags & LARGE_ADDRESSES) { WAITFIFO(7); if(DstOrg) OUTREG(MGAREG_DSTORG, (DstOrg << 6) + pMga->DstOrg); if(SrcOrg != pMga->SrcOrg) { pMga->SrcOrg = SrcOrg; OUTREG(MGAREG_SRCORG, (SrcOrg << 6) + pMga->realSrcOrg); } if(SrcOrg) { SrcOrg = (SrcOrg << 9) / pMga->CurrentLayout.bitsPerPixel; end -= SrcOrg; start -= SrcOrg; } OUTREG(MGAREG_AR0, end); OUTREG(MGAREG_AR3, start); OUTREG(MGAREG_FXBNDRY, ((dstX + w) << 16) | (dstX & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (dstY << 16) | h); if(DstOrg) OUTREG(MGAREG_DSTORG, pMga->DstOrg); } else { WAITFIFO(4); OUTREG(MGAREG_AR0, end); OUTREG(MGAREG_AR3, start); OUTREG(MGAREG_FXBNDRY, ((dstX + w) << 16) | (dstX & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (dstY << 16) | h); } } void mgaSubsequentScreenToScreenCopy_FastBlit( ScrnInfoPtr pScrn, int srcX, int srcY, int dstX, int dstY, int w, int h ) { int start, end; MGAPtr pMga = MGAPTR(pScrn); static const unsigned int masks[5] = { 0, 0x07f, 0x03f, 0x7f, 0x1f }; if(pMga->BltScanDirection & BLIT_UP) { srcY += h - 1; dstY += h - 1; } w--; start = XYADDRESS(srcX, srcY); end = start + w; /* we assume the driver asserts screen pitches such that we can always use fastblit for scrolling */ if(((srcX ^ dstX) & masks[ pMga->CurrentLayout.bitsPerPixel / 8 ]) == 0) { if(pMga->MaxFastBlitY) { if(pMga->BltScanDirection & BLIT_UP) { if((srcY >= pMga->MaxFastBlitY) || (dstY >= pMga->MaxFastBlitY)) goto FASTBLIT_BAILOUT; } else { if(((srcY + h) > pMga->MaxFastBlitY) || ((dstY + h) > pMga->MaxFastBlitY)) goto FASTBLIT_BAILOUT; } } /* Millennium 1 fastblit bug fix */ if(pMga->AccelFlags & FASTBLT_BUG) { int fxright = dstX + w; int tmp_dstX = dstX; int tmp_fxright = fxright; static const unsigned shift_tab[5] = { 0, 6, 5, 6, 4 }; const unsigned shift = shift_tab[pMga->CurrentLayout.bitsPerPixel / 8]; if (pMga->CurrentLayout.bitsPerPixel == 24) { tmp_dstX *= 3; tmp_fxright = fxright * 3 + 2; } if( (tmp_dstX & (1 << shift)) && (((tmp_fxright >> shift) - (tmp_dstX >> shift)) & 7) == 7) { fxright = (tmp_fxright | (1 << shift)); if (pMga->CurrentLayout.bitsPerPixel == 24) { fxright /= 3; } WAITFIFO(8); OUTREG(MGAREG_CXRIGHT, dstX + w); OUTREG(MGAREG_DWGCTL, 0x040A400C); OUTREG(MGAREG_AR0, end); OUTREG(MGAREG_AR3, start); OUTREG(MGAREG_FXBNDRY, (fxright << 16) | (dstX & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (dstY << 16) | h); OUTREG(MGAREG_DWGCTL, pMga->AtypeNoBLK[GXcopy] | MGADWG_SHIFTZERO | MGADWG_BITBLT | MGADWG_BFCOL); OUTREG(MGAREG_CXRIGHT, 0xFFFF); return; } } WAITFIFO(6); OUTREG(MGAREG_DWGCTL, 0x040A400C); OUTREG(MGAREG_AR0, end); OUTREG(MGAREG_AR3, start); OUTREG(MGAREG_FXBNDRY, ((dstX + w) << 16) | (dstX & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (dstY << 16) | h); OUTREG(MGAREG_DWGCTL, pMga->AtypeNoBLK[GXcopy] | MGADWG_SHIFTZERO | MGADWG_BITBLT | MGADWG_BFCOL); return; } FASTBLIT_BAILOUT: WAITFIFO(4); OUTREG(MGAREG_AR0, end); OUTREG(MGAREG_AR3, start); OUTREG(MGAREG_FXBNDRY, ((dstX + w) << 16) | (dstX & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (dstY << 16) | h); } /******************\ | Solid Fills | \******************/ void mgaDoSetupForSolidFill( ScrnInfoPtr pScrn, int color, int rop, unsigned int planemask, unsigned int bpp ) { MGAPtr pMga = MGAPTR(pScrn); unsigned int tmp; unsigned int replicated_color = 0; unsigned int replicated_planemask = 0; common_replicate_colors_and_mask( color, 0, planemask, bpp, & replicated_color, & tmp, & replicated_planemask ); CHECK_DMA_QUIESCENT(pMga, pScrn); if ( (bpp == 24) && !RGBEQUAL(color) ) { pMga->FilledRectCMD = MGADWG_TRAP | MGADWG_SOLID | MGADWG_ARZERO | MGADWG_SGNZERO | MGADWG_SHIFTZERO | MGADWG_BMONOLEF | pMga->AtypeNoBLK[rop]; } else { pMga->FilledRectCMD = MGADWG_TRAP | MGADWG_SOLID | MGADWG_ARZERO | MGADWG_SGNZERO | MGADWG_SHIFTZERO | MGADWG_BMONOLEF | pMga->Atype[rop]; } pMga->SolidLineCMD = MGADWG_SOLID | MGADWG_SHIFTZERO | MGADWG_BFCOL | pMga->AtypeNoBLK[rop]; if(pMga->AccelFlags & TRANSC_SOLID_FILL) pMga->FilledRectCMD |= MGADWG_TRANSC; WAITFIFO(3); if ( color != pMga->FgColor ) { pMga->FgColor = color; OUTREG( MGAREG_FCOL, replicated_color ); } if ( (bpp != 24) && !(pMga->AccelFlags & MGA_NO_PLANEMASK) && (planemask != pMga->PlaneMask) ) { pMga->PlaneMask = planemask; OUTREG( MGAREG_PLNWT, replicated_planemask ); } OUTREG(MGAREG_DWGCTL, pMga->FilledRectCMD); } void mgaSetupForSolidFill( ScrnInfoPtr pScrn, int color, int rop, unsigned int planemask ) { MGAPtr pMga = MGAPTR(pScrn); mgaDoSetupForSolidFill( pScrn, color, rop, planemask, pMga->CurrentLayout.bitsPerPixel ); } void mgaSubsequentSolidFillRect( ScrnInfoPtr pScrn, int x, int y, int w, int h ) { MGAPtr pMga = MGAPTR(pScrn); WAITFIFO(2); OUTREG(MGAREG_FXBNDRY, ((x + w) << 16) | (x & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y << 16) | h); } void mgaSubsequentSolidFillTrap( ScrnInfoPtr pScrn, int y, int h, int left, int dxL, int dyL, int eL, int right, int dxR, int dyR, int eR ) { MGAPtr pMga = MGAPTR(pScrn); int sdxl = (dxL < 0); int ar2 = sdxl? dxL : -dxL; int sdxr = (dxR < 0); int ar5 = sdxr? dxR : -dxR; WAITFIFO(11); OUTREG(MGAREG_DWGCTL, pMga->FilledRectCMD & ~(MGADWG_ARZERO | MGADWG_SGNZERO)); OUTREG(MGAREG_AR0, dyL); OUTREG(MGAREG_AR1, ar2 - eL); OUTREG(MGAREG_AR2, ar2); OUTREG(MGAREG_AR4, ar5 - eR); OUTREG(MGAREG_AR5, ar5); OUTREG(MGAREG_AR6, dyR); OUTREG(MGAREG_SGN, (sdxl << 1) | (sdxr << 5)); OUTREG(MGAREG_FXBNDRY, ((right + 1) << 16) | (left & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y << 16) | h); OUTREG(MGAREG_DWGCTL, pMga->FilledRectCMD); } /***************\ | Solid Lines | \***************/ void mgaSubsequentSolidHorVertLine( ScrnInfoPtr pScrn, int x, int y, int len, int dir ) { MGAPtr pMga = MGAPTR(pScrn); if(dir == DEGREES_0) { WAITFIFO(2); OUTREG(MGAREG_FXBNDRY, ((x + len) << 16) | (x & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y << 16) | 1); } else if(pMga->AccelFlags & USE_RECTS_FOR_LINES) { WAITFIFO(2); OUTREG(MGAREG_FXBNDRY, ((x + 1) << 16) | (x & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y << 16) | len); } else { WAITFIFO(4); OUTREG(MGAREG_DWGCTL, pMga->SolidLineCMD | MGADWG_AUTOLINE_OPEN); OUTREG(MGAREG_XYSTRT, (y << 16) | (x & 0xffff)); OUTREG(MGAREG_XYEND + MGAREG_EXEC, ((y + len) << 16) | (x & 0xffff)); OUTREG(MGAREG_DWGCTL, pMga->FilledRectCMD); } } void mgaSubsequentSolidTwoPointLine( ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2, int flags ) { MGAPtr pMga = MGAPTR(pScrn); WAITFIFO(4); OUTREG(MGAREG_DWGCTL, pMga->SolidLineCMD | ((flags & OMIT_LAST) ? MGADWG_AUTOLINE_OPEN : MGADWG_AUTOLINE_CLOSE)); OUTREG(MGAREG_XYSTRT, (y1 << 16) | (x1 & 0xFFFF)); OUTREG(MGAREG_XYEND + MGAREG_EXEC, (y2 << 16) | (x2 & 0xFFFF)); OUTREG(MGAREG_DWGCTL, pMga->FilledRectCMD); } /***************************\ | 8x8 Mono Pattern Fills | \***************************/ void mgaSetupForMono8x8PatternFill( ScrnInfoPtr pScrn, int patx, int paty, int fg, int bg, int rop, unsigned int planemask ) { MGAPtr pMga = MGAPTR(pScrn); XAAInfoRecPtr infoRec = pMga->AccelInfoRec; CARD32 regs[4]; CHECK_DMA_QUIESCENT(pMga, pScrn); infoRec->SubsequentMono8x8PatternFillRect = mgaSubsequentMono8x8PatternFillRect; regs[0] = MGAREG_PAT0; regs[1] = patx; regs[2] = MGAREG_PAT1; regs[3] = paty; pMga->PatternRectCMD = common_setup_for_pattern_fill( pMga, fg, bg, rop, planemask, regs, 2, (MGADWG_TRAP | MGADWG_ARZERO | MGADWG_SGNZERO | MGADWG_BMONOLEF) ); } void mgaSubsequentMono8x8PatternFillRect( ScrnInfoPtr pScrn, int patx, int paty, int x, int y, int w, int h ) { MGAPtr pMga = MGAPTR(pScrn); WAITFIFO(3); OUTREG(MGAREG_SHIFT, (paty << 4) | patx); OUTREG(MGAREG_FXBNDRY, ((x + w) << 16) | (x & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y << 16) | h); pMga->AccelInfoRec->SubsequentMono8x8PatternFillRect = mgaSubsequentMono8x8PatternFillRect_Additional; } static void mgaSubsequentMono8x8PatternFillRect_Additional( ScrnInfoPtr pScrn, int patx, int paty, int x, int y, int w, int h ) { MGAPtr pMga = MGAPTR(pScrn); WAITFIFO(2); OUTREG(MGAREG_FXBNDRY, ((x + w) << 16) | (x & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y << 16) | h); } void mgaSubsequentMono8x8PatternFillTrap( ScrnInfoPtr pScrn, int patx, int paty, int y, int h, int left, int dxL, int dyL, int eL, int right, int dxR, int dyR, int eR ) { MGAPtr pMga = MGAPTR(pScrn); int sdxl = (dxL < 0) ? (1<<1) : 0; int ar2 = sdxl? dxL : -dxL; int sdxr = (dxR < 0) ? (1<<5) : 0; int ar5 = sdxr? dxR : -dxR; WAITFIFO(12); OUTREG(MGAREG_SHIFT, (paty << 4) | patx); OUTREG(MGAREG_DWGCTL, pMga->PatternRectCMD & ~(MGADWG_ARZERO | MGADWG_SGNZERO)); OUTREG(MGAREG_AR0, dyL); OUTREG(MGAREG_AR1, ar2 - eL); OUTREG(MGAREG_AR2, ar2); OUTREG(MGAREG_AR4, ar5 - eR); OUTREG(MGAREG_AR5, ar5); OUTREG(MGAREG_AR6, dyR); OUTREG(MGAREG_SGN, sdxl | sdxr); OUTREG(MGAREG_FXBNDRY, ((right + 1) << 16) | (left & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y << 16) | h); OUTREG(MGAREG_DWGCTL, pMga->PatternRectCMD); } /***********************\ | Color Expand Rect | \***********************/ void mgaSetupForScanlineCPUToScreenColorExpandFill( ScrnInfoPtr pScrn, int fg, int bg, int rop, unsigned int planemask ) { MGAPtr pMga = MGAPTR(pScrn); CHECK_DMA_QUIESCENT(pMga, pScrn); (void) common_setup_for_pattern_fill( pMga, fg, bg, rop, planemask, NULL, 0, MGADWG_ILOAD | MGADWG_LINEAR | MGADWG_SGNZERO | MGADWG_SHIFTZERO | MGADWG_BMONOLEF ); } void mgaSubsequentScanlineCPUToScreenColorExpandFill( ScrnInfoPtr pScrn, int x, int y, int w, int h, int skipleft ) { MGAPtr pMga = MGAPTR(pScrn); pMga->AccelFlags |= CLIPPER_ON; pMga->expandDWORDs = (w + 31) >> 5; if((pMga->expandDWORDs * h) > pMga->MaxBlitDWORDS) { pMga->expandHeight = pMga->MaxBlitDWORDS / pMga->expandDWORDs; pMga->expandRemaining = h / pMga->expandHeight; if(!(h = h % pMga->expandHeight)) { pMga->expandRemaining--; h = pMga->expandHeight; } pMga->expandY = y + h; } else pMga->expandRemaining = 0; pMga->expandRows = h; WAITFIFO(5); OUTREG(MGAREG_CXBNDRY, ((x + w - 1) << 16) | ((x + skipleft) & 0xFFFF)); w = pMga->expandDWORDs << 5; /* source is dword padded */ OUTREG(MGAREG_AR0, (w * h) - 1); OUTREG(MGAREG_AR3, 0); /* crashes occasionally without this */ OUTREG(MGAREG_FXBNDRY, ((x + w - 1) << 16) | (x & 0xFFFF)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y << 16) | h); #if defined(__alpha__) if(1) /* force indirect always on Alpha */ #else if(pMga->expandDWORDs > pMga->FifoSize) #endif { pMga->AccelInfoRec->SubsequentColorExpandScanline = mgaSubsequentColorExpandScanlineIndirect; pMga->AccelInfoRec->ScanlineColorExpandBuffers = (unsigned char**)(&pMga->ScratchBuffer); } else { pMga->AccelInfoRec->SubsequentColorExpandScanline = mgaSubsequentColorExpandScanline; pMga->AccelInfoRec->ScanlineColorExpandBuffers = (unsigned char**)(&pMga->ColorExpandBase); WAITFIFO(pMga->expandDWORDs); } } void mgaSubsequentColorExpandScanlineIndirect( ScrnInfoPtr pScrn, int bufno ) { MGAPtr pMga = MGAPTR(pScrn); int dwords = pMga->expandDWORDs; CARD32 *src = (CARD32*)(pMga->ScratchBuffer); while(dwords > pMga->FifoSize) { WAITFIFO(pMga->FifoSize); MGAMoveDWORDS((CARD32*)(pMga->ColorExpandBase), src, pMga->FifoSize); src += pMga->FifoSize; dwords -= pMga->FifoSize; } WAITFIFO(dwords); MGAMoveDWORDS((CARD32*)(pMga->ColorExpandBase), src, dwords); if(!(--pMga->expandRows)) { if(pMga->expandRemaining) { WAITFIFO(3); OUTREG(MGAREG_AR0,((pMga->expandDWORDs<< 5)*pMga->expandHeight)-1); OUTREG(MGAREG_AR3, 0); /* crashes occasionally without this */ OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (pMga->expandY << 16) | pMga->expandHeight); pMga->expandY += pMga->expandHeight; pMga->expandRows = pMga->expandHeight; pMga->expandRemaining--; } else { DISABLE_CLIP(); } } } void mgaSubsequentColorExpandScanline( ScrnInfoPtr pScrn, int bufno ) { MGAPtr pMga = MGAPTR(pScrn); if(--pMga->expandRows) { WAITFIFO(pMga->expandDWORDs); } else if(pMga->expandRemaining) { WAITFIFO(3); OUTREG(MGAREG_AR0,((pMga->expandDWORDs<<5)*pMga->expandHeight)-1); OUTREG(MGAREG_AR3, 0); /* crashes occasionally without this */ OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (pMga->expandY << 16) | pMga->expandHeight); pMga->expandY += pMga->expandHeight; pMga->expandRows = pMga->expandHeight; pMga->expandRemaining--; WAITFIFO(pMga->expandDWORDs); } else { DISABLE_CLIP(); } } /*******************\ | Image Writes | \*******************/ void mgaSetupForScanlineImageWrite( ScrnInfoPtr pScrn, int rop, unsigned int planemask, int transparency_color, int bpp, int depth ) { MGAPtr pMga = MGAPTR(pScrn); unsigned int replicate_pm = 0; switch( pMga->CurrentLayout.bitsPerPixel ) { case 8: replicate_pm = REPLICATE_8( planemask ); break; case 16: replicate_pm = REPLICATE_16( planemask ); break; case 24: replicate_pm = REPLICATE_24( planemask ); break; case 32: replicate_pm = REPLICATE_32( planemask ); break; } CHECK_DMA_QUIESCENT(pMga, pScrn); WAITFIFO(3); OUTREG(MGAREG_AR5, 0); SET_PLANEMASK_REPLICATED( planemask, replicate_pm, pMga->CurrentLayout.bitsPerPixel ); OUTREG(MGAREG_DWGCTL, MGADWG_ILOAD | MGADWG_BFCOL | MGADWG_SHIFTZERO | MGADWG_SGNZERO | pMga->AtypeNoBLK[rop]); } void mgaSubsequentScanlineImageWriteRect( ScrnInfoPtr pScrn, int x, int y, int w, int h, int skipleft ) { MGAPtr pMga = MGAPTR(pScrn); pMga->AccelFlags |= CLIPPER_ON; pMga->expandRows = h; pMga->expandDWORDs = ((w * pMga->CurrentLayout.bitsPerPixel) + 31) >> 5; WAITFIFO(5); OUTREG(MGAREG_CXBNDRY, 0xFFFF0000 | ((x + skipleft) & 0xFFFF)); OUTREG(MGAREG_AR0, w - 1); OUTREG(MGAREG_AR3, 0); OUTREG(MGAREG_FXBNDRY, ((x + w - 1) << 16) | (x & 0xFFFF)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y << 16) | h); } void mgaSubsequentImageWriteScanline( ScrnInfoPtr pScrn, int bufno ) { MGAPtr pMga = MGAPTR(pScrn); int dwords = pMga->expandDWORDs; CARD32 *src = (CARD32*)(pMga->ScratchBuffer); while(dwords > pMga->FifoSize) { WAITFIFO(pMga->FifoSize); MGAMoveDWORDS((CARD32*)(pMga->ColorExpandBase), src, pMga->FifoSize); src += pMga->FifoSize; dwords -= pMga->FifoSize; } WAITFIFO(dwords); MGAMoveDWORDS((CARD32*)(pMga->ColorExpandBase), src, dwords); if(!(--pMga->expandRows)) { DISABLE_CLIP(); } } #if X_BYTE_ORDER == X_LITTLE_ENDIAN /***************************\ | Dashed Lines | \***************************/ void mgaSetupForDashedLine( ScrnInfoPtr pScrn, int fg, int bg, int rop, unsigned int planemask, int length, unsigned char *pattern ) { MGAPtr pMga = MGAPTR(pScrn); CARD32 *DashPattern = (CARD32*)pattern; CARD32 NiceDashPattern = DashPattern[0]; int dwords = (length + 31) >> 5; unsigned int replicate_fg = 0; unsigned int replicate_bg = 0; unsigned int replicate_pm = 0; common_replicate_colors_and_mask( fg, bg, planemask, pMga->CurrentLayout.bitsPerPixel, & replicate_fg, & replicate_bg, & replicate_pm ); CHECK_DMA_QUIESCENT(pMga, pScrn); pMga->DashCMD = MGADWG_BFCOL | pMga->AtypeNoBLK[rop]; pMga->StyleLen = length - 1; if(bg == -1) { pMga->DashCMD |= MGADWG_TRANSC; WAITFIFO(dwords + 2); } else { WAITFIFO(dwords + 3); SET_BACKGROUND_REPLICATED( bg, replicate_bg ); } SET_PLANEMASK_REPLICATED( planemask, replicate_pm, pMga->CurrentLayout.bitsPerPixel ); SET_FOREGROUND_REPLICATED( fg, replicate_fg ); /* We see if we can draw horizontal lines as 8x8 pattern fills. This is * worthwhile since the pattern fills can use block mode and the default X * pattern is 8 pixels long. The forward pattern is the top scanline, the * backwards pattern is the next one. */ switch(length) { case 2: NiceDashPattern |= NiceDashPattern << 2; case 4: NiceDashPattern |= NiceDashPattern << 4; case 8: { NiceDashPattern |= byte_reversed[NiceDashPattern] << 16; NiceDashPattern |= NiceDashPattern << 8; pMga->NiceDashCMD = MGADWG_TRAP | MGADWG_ARZERO | MGADWG_SGNZERO | MGADWG_BMONOLEF; pMga->AccelFlags |= NICE_DASH_PATTERN; if( bg == -1 ) { if ( (pMga->CurrentLayout.bitsPerPixel == 24) && !RGBEQUAL(fg) ) { pMga->NiceDashCMD |= MGADWG_TRANSC | pMga->AtypeNoBLK[rop]; } else { pMga->NiceDashCMD |= MGADWG_TRANSC | pMga->Atype[rop]; } } else { /* (Packed) 24-bit is a funky mode. We only use the Atype table * in 24-bit if the components of the foreground color and the * components of the background color are the same (e.g., fg = * 0xf8f8f8 and bg = 0x131313). */ if( ((pMga->AccelFlags & BLK_OPAQUE_EXPANSION) != 0) && ((pMga->CurrentLayout.bitsPerPixel != 24) || (RGBEQUAL(fg) && RGBEQUAL(bg))) ) { pMga->NiceDashCMD |= pMga->Atype[rop]; } else { pMga->NiceDashCMD |= pMga->AtypeNoBLK[rop]; } } OUTREG(MGAREG_SRC0, NiceDashPattern); break; } default: { pMga->AccelFlags &= ~NICE_DASH_PATTERN; switch (dwords) { case 4: OUTREG(MGAREG_SRC3, DashPattern[3]); case 3: OUTREG(MGAREG_SRC2, DashPattern[2]); case 2: OUTREG(MGAREG_SRC1, DashPattern[1]); default: OUTREG(MGAREG_SRC0, DashPattern[0]); } } } } void mgaSubsequentDashedTwoPointLine( ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2, int flags, int phase ) { MGAPtr pMga = MGAPTR(pScrn); WAITFIFO(4); if((pMga->AccelFlags & NICE_DASH_PATTERN) && (y1 == y2)) { OUTREG(MGAREG_DWGCTL, pMga->NiceDashCMD); if(x2 < x1) { if(flags & OMIT_LAST) x2++; OUTREG(MGAREG_SHIFT, ((-y1 & 0x07) << 4) | ((7 - phase - x1) & 0x07)); OUTREG(MGAREG_FXBNDRY, ((x1 + 1) << 16) | (x2 & 0xffff)); } else { if(!flags) x2++; OUTREG(MGAREG_SHIFT, (((1 - y1) & 0x07) << 4) | ((phase - x1) & 0x07)); OUTREG(MGAREG_FXBNDRY, (x2 << 16) | (x1 & 0xffff)); } OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y1 << 16) | 1); } else { OUTREG(MGAREG_SHIFT, (pMga->StyleLen << 16 ) | (pMga->StyleLen - phase)); OUTREG(MGAREG_DWGCTL, pMga->DashCMD | ((flags & OMIT_LAST) ? MGADWG_AUTOLINE_OPEN : MGADWG_AUTOLINE_CLOSE)); OUTREG(MGAREG_XYSTRT, (y1 << 16) | (x1 & 0xFFFF)); OUTREG(MGAREG_XYEND + MGAREG_EXEC, (y2 << 16) | (x2 & 0xFFFF)); } } #endif /* X_BYTE_ORDER == X_LITTLE_ENDIAN */ /******************************************\ | Planar Screen to Screen Color Expansion | \******************************************/ void mgaSetupForPlanarScreenToScreenColorExpandFill( ScrnInfoPtr pScrn, int fg, int bg, int rop, unsigned int planemask ) { MGAPtr pMga = MGAPTR(pScrn); CARD32 mgaCMD = pMga->AtypeNoBLK[rop] | MGADWG_BITBLT | MGADWG_SGNZERO | MGADWG_BPLAN; CARD32 regs[2]; regs[0] = MGAREG_AR5; regs[1] = pScrn->displayWidth; CHECK_DMA_QUIESCENT(pMga, pScrn); (void) common_setup_for_pattern_fill( pMga, fg, bg, 0, planemask, regs, 1, mgaCMD ); } void mgaSubsequentPlanarScreenToScreenColorExpandFill( ScrnInfoPtr pScrn, int x, int y, int w, int h, int srcx, int srcy, int skipleft ) { MGAPtr pMga = MGAPTR(pScrn); int start, end; w--; start = XYADDRESS(srcx, srcy) + skipleft; end = start + w; WAITFIFO(4); OUTREG(MGAREG_AR3, start); OUTREG(MGAREG_AR0, end); OUTREG(MGAREG_FXBNDRY, ((x + w) << 16) | (x & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y << 16) | h); } /***********************************\ | Screen to Screen Color Expansion | \***********************************/ void mgaSetupForScreenToScreenColorExpandFill( ScrnInfoPtr pScrn, int fg, int bg, int rop, unsigned int planemask ) { MGAPtr pMga = MGAPTR(pScrn); CARD32 regs[2]; regs[0] = MGAREG_AR5; regs[1] = pScrn->displayWidth * pMga->CurrentLayout.bitsPerPixel; CHECK_DMA_QUIESCENT(pMga, pScrn); (void) common_setup_for_pattern_fill( pMga, fg, bg, rop, planemask, regs, 1, MGADWG_BITBLT | MGADWG_SGNZERO | MGADWG_SHIFTZERO ); } void mgaSubsequentScreenToScreenColorExpandFill( ScrnInfoPtr pScrn, int x, int y, int w, int h, int srcx, int srcy, int skipleft ) { MGAPtr pMga = MGAPTR(pScrn); const unsigned int display_bit_width = (pMga->CurrentLayout.displayWidth * pMga->CurrentLayout.bitsPerPixel); int start, end, next, num; Bool resetDstOrg = FALSE; if (pMga->AccelFlags & LARGE_ADDRESSES) { const int DstOrg = ((y & ~1023) * display_bit_width) >> 9; const int SrcOrg = ((srcy & ~1023) * display_bit_width) >> 9; y &= 1023; srcy &= 1023; WAITFIFO(2); if(DstOrg) { OUTREG(MGAREG_DSTORG, (DstOrg << 6) + pMga->DstOrg); resetDstOrg = TRUE; } if(SrcOrg != pMga->SrcOrg) { pMga->SrcOrg = SrcOrg; OUTREG(MGAREG_SRCORG, (SrcOrg << 6) + pMga->realSrcOrg); } } w--; start = (XYADDRESS(srcx, srcy) * pMga->CurrentLayout.bitsPerPixel) + skipleft; end = start + w + (display_bit_width * (h - 1)); /* src cannot split a 2 Meg boundary from SrcOrg */ if(!((start ^ end) & 0xff000000)) { WAITFIFO(4); OUTREG(MGAREG_AR3, start); OUTREG(MGAREG_AR0, start + w); OUTREG(MGAREG_FXBNDRY, ((x + w) << 16) | (x & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y << 16) | h); } else { while(h) { next = (start + 0x00ffffff) & 0xff000000; if(next <= (start + w)) { num = next - start - 1; WAITFIFO(7); OUTREG(MGAREG_AR3, start); OUTREG(MGAREG_AR0, start + num); OUTREG(MGAREG_FXBNDRY, ((x + num) << 16) | (x & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y << 16) | 1); OUTREG(MGAREG_AR3, next); OUTREG(MGAREG_AR0, start + w ); OUTREG(MGAREG_FXBNDRY + MGAREG_EXEC, ((x + w) << 16) | ((x + num + 1) & 0xffff)); start += display_bit_width; h--; y++; } else { num = ((next - start - w)/display_bit_width) + 1; if(num > h) num = h; WAITFIFO(4); OUTREG(MGAREG_AR3, start); OUTREG(MGAREG_AR0, start + w); OUTREG(MGAREG_FXBNDRY, ((x + w) << 16) | (x & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (y << 16) | num); start += num * display_bit_width; h -= num; y += num; } } } if(resetDstOrg) { WAITFIFO(1); OUTREG(MGAREG_DSTORG, pMga->DstOrg); } } void MGAFillSolidRectsDMA( ScrnInfoPtr pScrn, int fg, int rop, unsigned int planemask, int nBox, /* number of rectangles to fill */ BoxPtr pBox /* Pointer to first rectangle to fill */ ){ MGAPtr pMga = MGAPTR(pScrn); XAAInfoRecPtr infoRec = pMga->AccelInfoRec; CARD32 *base = (CARD32*)pMga->ILOADBase; CHECK_DMA_QUIESCENT(pMga, pScrn); SET_SYNC_FLAG(infoRec); (*infoRec->SetupForSolidFill)(pScrn, fg, rop, planemask); if(nBox & 1) { OUTREG(MGAREG_FXBNDRY, ((pBox->x2) << 16) | (pBox->x1 & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (pBox->y1 << 16) | (pBox->y2 - pBox->y1)); nBox--; pBox++; } if(!nBox) return; OUTREG(MGAREG_OPMODE, MGAOPM_DMA_GENERAL); while(nBox) { base[0] = DMAINDICES(MGAREG_FXBNDRY, MGAREG_YDSTLEN + MGAREG_EXEC, MGAREG_FXBNDRY, MGAREG_YDSTLEN + MGAREG_EXEC); base[1] = ((pBox->x2) << 16) | (pBox->x1 & 0xffff); base[2] = (pBox->y1 << 16) | (pBox->y2 - pBox->y1); pBox++; base[3] = ((pBox->x2) << 16) | (pBox->x1 & 0xffff); base[4] = (pBox->y1 << 16) | (pBox->y2 - pBox->y1); pBox++; base += 5; nBox -= 2; } OUTREG(MGAREG_OPMODE, MGAOPM_DMA_BLIT); } void MGAFillSolidSpansDMA( ScrnInfoPtr pScrn, int fg, int rop, unsigned int planemask, int n, DDXPointPtr ppt, int *pwidth, int fSorted ){ MGAPtr pMga = MGAPTR(pScrn); XAAInfoRecPtr infoRec = pMga->AccelInfoRec; CARD32 *base = (CARD32*)pMga->ILOADBase; CHECK_DMA_QUIESCENT(pMga, pScrn); SET_SYNC_FLAG(infoRec); if(infoRec->ClipBox) { OUTREG(MGAREG_CXBNDRY, ((infoRec->ClipBox->x2 - 1) << 16) | infoRec->ClipBox->x1); OUTREG(MGAREG_YTOP, (infoRec->ClipBox->y1 * pScrn->displayWidth) + pMga->YDstOrg); OUTREG(MGAREG_YBOT, ((infoRec->ClipBox->y2 - 1) * pScrn->displayWidth) + pMga->YDstOrg); } (*infoRec->SetupForSolidFill)(pScrn, fg, rop, planemask); if(n & 1) { OUTREG(MGAREG_FXBNDRY, ((ppt->x + *pwidth) << 16) | (ppt->x & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (ppt->y << 16) | 1); ppt++; pwidth++; n--; } if(n) { if(n > 838860) n = 838860; /* maximum number we have room for */ OUTREG(MGAREG_OPMODE, MGAOPM_DMA_GENERAL); while(n) { base[0] = DMAINDICES(MGAREG_FXBNDRY, MGAREG_YDSTLEN + MGAREG_EXEC, MGAREG_FXBNDRY, MGAREG_YDSTLEN + MGAREG_EXEC); base[1] = ((ppt->x + *(pwidth++)) << 16) | (ppt->x & 0xffff); base[2] = (ppt->y << 16) | 1; ppt++; base[3] = ((ppt->x + *(pwidth++)) << 16) | (ppt->x & 0xffff); base[4] = (ppt->y << 16) | 1; ppt++; base += 5; n -= 2; } OUTREG(MGAREG_OPMODE, MGAOPM_DMA_BLIT); } if(infoRec->ClipBox) { OUTREG(MGAREG_CXBNDRY, 0xFFFF0000); /* (maxX << 16) | minX */ OUTREG(MGAREG_YTOP, 0x00000000); /* minPixelPointer */ OUTREG(MGAREG_YBOT, 0x007FFFFF); /* maxPixelPointer */ } } void MGAFillMono8x8PatternRectsTwoPass( ScrnInfoPtr pScrn, int fg, int bg, int rop, unsigned int planemask, int nBoxInit, BoxPtr pBoxInit, int pattern0, int pattern1, int xorg, int yorg ){ MGAPtr pMga = MGAPTR(pScrn); XAAInfoRecPtr infoRec = pMga->AccelInfoRec; int nBox, SecondPassColor; BoxPtr pBox; CHECK_DMA_QUIESCENT(pMga, pScrn); if((rop == GXcopy) && (bg != -1)) { SecondPassColor = bg; bg = -1; } else SecondPassColor = -1; WAITFIFO(1); OUTREG(MGAREG_SHIFT, (((-yorg) & 0x07) << 4) | ((-xorg) & 0x07)); SECOND_PASS: nBox = nBoxInit; pBox = pBoxInit; (*infoRec->SetupForMono8x8PatternFill)(pScrn, pattern0, pattern1, fg, bg, rop, planemask); while(nBox--) { WAITFIFO(2); OUTREG(MGAREG_FXBNDRY, ((pBox->x2) << 16) | (pBox->x1 & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (pBox->y1 << 16) | (pBox->y2 - pBox->y1)); pBox++; } if(SecondPassColor != -1) { fg = SecondPassColor; SecondPassColor = -1; pattern0 = ~pattern0; pattern1 = ~pattern1; goto SECOND_PASS; } SET_SYNC_FLAG(infoRec); } void MGAValidatePolyArc( GCPtr pGC, unsigned long changes, DrawablePtr pDraw ){ ScrnInfoPtr pScrn = xf86Screens[pGC->pScreen->myNum]; MGAPtr pMga = MGAPTR(pScrn); Bool fullPlanemask = TRUE; if((pGC->planemask & pMga->AccelInfoRec->FullPlanemask) != pMga->AccelInfoRec->FullPlanemask) { if(pMga->AccelFlags & MGA_NO_PLANEMASK) return; fullPlanemask = FALSE; } if(!pGC->lineWidth && (pGC->fillStyle == FillSolid) && (pGC->lineStyle == LineSolid) && ((pGC->alu != GXcopy) || !fullPlanemask)) { pGC->ops->PolyArc = MGAPolyArcThinSolid; } } static void MGAPolyPoint ( DrawablePtr pDraw, GCPtr pGC, int mode, int npt, xPoint *ppt ){ int numRects = REGION_NUM_RECTS(pGC->pCompositeClip); XAAInfoRecPtr infoRec; BoxPtr pbox; MGAPtr pMga; int xorg, yorg; ScrnInfoPtr pScrn; if(!numRects) return; if(numRects != 1) { XAAGetFallbackOps()->PolyPoint(pDraw, pGC, mode, npt, ppt); return; } infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); pScrn = infoRec->pScrn; pMga = MGAPTR(pScrn); xorg = pDraw->x; yorg = pDraw->y; pbox = REGION_RECTS(pGC->pCompositeClip); (*infoRec->SetClippingRectangle)(infoRec->pScrn, pbox->x1, pbox->y1, pbox->x2 - 1, pbox->y2 - 1); (*infoRec->SetupForSolidFill)(infoRec->pScrn, pGC->fgPixel, pGC->alu, pGC->planemask); if(mode == CoordModePrevious) { while(npt--) { xorg += ppt->x; yorg += ppt->y; WAITFIFO(2); OUTREG(MGAREG_FXBNDRY, ((xorg + 1) << 16) | (xorg & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, (yorg << 16) | 1); ppt++; } } else { int x; while(npt--) { x = ppt->x + xorg; WAITFIFO(2); OUTREG(MGAREG_FXBNDRY, ((x + 1) << 16) | (x & 0xffff)); OUTREG(MGAREG_YDSTLEN + MGAREG_EXEC, ((ppt->y + yorg) << 16) | 1); ppt++; } } (*infoRec->DisableClipping)(infoRec->pScrn); SET_SYNC_FLAG(infoRec); } void MGAValidatePolyPoint( GCPtr pGC, unsigned long changes, DrawablePtr pDraw ){ ScrnInfoPtr pScrn = xf86Screens[pGC->pScreen->myNum]; MGAPtr pMga = MGAPTR(pScrn); Bool fullPlanemask = TRUE; pGC->ops->PolyPoint = XAAGetFallbackOps()->PolyPoint; if((pGC->planemask & pMga->AccelInfoRec->FullPlanemask) != pMga->AccelInfoRec->FullPlanemask) { if(pMga->AccelFlags & MGA_NO_PLANEMASK) return; fullPlanemask = FALSE; } if((pGC->alu != GXcopy) || !fullPlanemask) pGC->ops->PolyPoint = MGAPolyPoint; } void MGAFillCacheBltRects( ScrnInfoPtr pScrn, int rop, unsigned int planemask, int nBox, BoxPtr pBox, int xorg, int yorg, XAACacheInfoPtr pCache ){ XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCRNINFOPTR(pScrn); int x, y, phaseY, phaseX, skipleft, height, width, w, blit_w, blit_h, start; CHECK_DMA_QUIESCENT(MGAPTR(pScrn), pScrn); (*infoRec->SetupForScreenToScreenCopy)(pScrn, 1, 1, rop, planemask, pCache->trans_color); while(nBox--) { y = pBox->y1; phaseY = (y - yorg) % pCache->orig_h; if(phaseY < 0) phaseY += pCache->orig_h; phaseX = (pBox->x1 - xorg) % pCache->orig_w; if(phaseX < 0) phaseX += pCache->orig_w; height = pBox->y2 - y; width = pBox->x2 - pBox->x1; start = phaseY ? (pCache->orig_h - phaseY) : 0; /* This is optimized for WRAM */ if ((rop == GXcopy) && (height >= (pCache->orig_h + start))) { w = width; skipleft = phaseX; x = pBox->x1; blit_h = pCache->orig_h; while(1) { blit_w = pCache->w - skipleft; if(blit_w > w) blit_w = w; (*infoRec->SubsequentScreenToScreenCopy)(pScrn, pCache->x + skipleft, pCache->y, x, y + start, blit_w, blit_h); w -= blit_w; if(!w) break; x += blit_w; skipleft = (skipleft + blit_w) % pCache->orig_w; } height -= blit_h; if(start) { (*infoRec->SubsequentScreenToScreenCopy)(pScrn, pBox->x1, y + blit_h, pBox->x1, y, width, start); height -= start; y += start; } start = blit_h; while(height) { if(blit_h > height) blit_h = height; (*infoRec->SubsequentScreenToScreenCopy)(pScrn, pBox->x1, y, pBox->x1, y + start, width, blit_h); height -= blit_h; start += blit_h; blit_h <<= 1; } } else { while(1) { w = width; skipleft = phaseX; x = pBox->x1; blit_h = pCache->h - phaseY; if(blit_h > height) blit_h = height; while(1) { blit_w = pCache->w - skipleft; if(blit_w > w) blit_w = w; (*infoRec->SubsequentScreenToScreenCopy)(pScrn, pCache->x + skipleft, pCache->y + phaseY, x, y, blit_w, blit_h); w -= blit_w; if(!w) break; x += blit_w; skipleft = (skipleft + blit_w) % pCache->orig_w; } height -= blit_h; if(!height) break; y += blit_h; phaseY = (phaseY + blit_h) % pCache->orig_h; } } pBox++; } SET_SYNC_FLAG(infoRec); } #if defined(XF86DRI) void mgaDRIInitBuffers(WindowPtr pWin, RegionPtr prgn, CARD32 index) { ScreenPtr pScreen = pWin->drawable.pScreen; ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; MGAPtr pMga = MGAPTR(pScrn); BoxPtr pbox = REGION_RECTS(prgn); int nbox = REGION_NUM_RECTS(prgn); CHECK_DMA_QUIESCENT(MGAPTR(pScrn), pScrn); mgaSetupForSolidFill(pScrn, 0, GXcopy, -1); while (nbox--) { MGASelectBuffer(pScrn, MGA_BACK); mgaSubsequentSolidFillRect(pScrn, pbox->x1, pbox->y1, pbox->x2-pbox->x1, pbox->y2-pbox->y1); MGASelectBuffer(pScrn, MGA_DEPTH); mgaSubsequentSolidFillRect(pScrn, pbox->x1, pbox->y1, pbox->x2-pbox->x1, pbox->y2-pbox->y1); pbox++; } MGASelectBuffer(pScrn, MGA_FRONT); pMga->AccelInfoRec->NeedToSync = TRUE; } /* This routine is a modified form of XAADoBitBlt with the calls to ScreenToScreenBitBlt built in. My routine has the prgnSrc as source instead of destination. My origin is upside down so the ydir cases are reversed. */ void mgaDRIMoveBuffers(WindowPtr pParent, DDXPointRec ptOldOrg, RegionPtr prgnSrc, CARD32 index) { ScreenPtr pScreen = pParent->drawable.pScreen; ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; MGAPtr pMga = MGAPTR(pScrn); int nbox; BoxPtr pbox, pboxTmp, pboxNext, pboxBase, pboxNew1, pboxNew2; DDXPointPtr pptTmp, pptNew1, pptNew2; int xdir, ydir; int dx, dy; DDXPointPtr pptSrc; int screenwidth = pScrn->virtualX; int screenheight = pScrn->virtualY; CHECK_DMA_QUIESCENT(MGAPTR(pScrn), pScrn); pbox = REGION_RECTS(prgnSrc); nbox = REGION_NUM_RECTS(prgnSrc); pboxNew1 = 0; pptNew1 = 0; pboxNew2 = 0; pboxNew2 = 0; pptSrc = &ptOldOrg; dx = pParent->drawable.x - ptOldOrg.x; dy = pParent->drawable.y - ptOldOrg.y; /* If the copy will overlap in Y, reverse the order */ if (dy>0) { ydir = -1; if (nbox>1) { /* Keep ordering in each band, reverse order of bands */ pboxNew1 = (BoxPtr)ALLOCATE_LOCAL(sizeof(BoxRec)*nbox); if (!pboxNew1) return; pptNew1 = (DDXPointPtr)ALLOCATE_LOCAL(sizeof(DDXPointRec)*nbox); if (!pptNew1) { DEALLOCATE_LOCAL(pboxNew1); return; } pboxBase = pboxNext = pbox+nbox-1; while (pboxBase >= pbox) { while ((pboxNext >= pbox) && (pboxBase->y1 == pboxNext->y1)) pboxNext--; pboxTmp = pboxNext+1; pptTmp = pptSrc + (pboxTmp - pbox); while (pboxTmp <= pboxBase) { *pboxNew1++ = *pboxTmp++; *pptNew1++ = *pptTmp++; } pboxBase = pboxNext; } pboxNew1 -= nbox; pbox = pboxNew1; pptNew1 -= nbox; pptSrc = pptNew1; } } else { /* No changes required */ ydir = 1; } /* If the regions will overlap in X, reverse the order */ if (dx>0) { xdir = -1; if (nbox > 1) { /*reverse orderof rects in each band */ pboxNew2 = (BoxPtr)ALLOCATE_LOCAL(sizeof(BoxRec)*nbox); pptNew2 = (DDXPointPtr)ALLOCATE_LOCAL(sizeof(DDXPointRec)*nbox); if (!pboxNew2 || !pptNew2) { if (pptNew2) DEALLOCATE_LOCAL(pptNew2); if (pboxNew2) DEALLOCATE_LOCAL(pboxNew2); if (pboxNew1) { DEALLOCATE_LOCAL(pptNew1); DEALLOCATE_LOCAL(pboxNew1); } return; } pboxBase = pboxNext = pbox; while (pboxBase < pbox+nbox) { while ((pboxNext < pbox+nbox) && (pboxNext->y1 == pboxBase->y1)) pboxNext++; pboxTmp = pboxNext; pptTmp = pptSrc + (pboxTmp - pbox); while (pboxTmp != pboxBase) { *pboxNew2++ = *--pboxTmp; *pptNew2++ = *--pptTmp; } pboxBase = pboxNext; } pboxNew2 -= nbox; pbox = pboxNew2; pptNew2 -= nbox; pptSrc = pptNew2; } } else { /* No changes are needed */ xdir = 1; } mgaSetupForScreenToScreenCopy(pScrn, xdir, ydir, GXcopy, -1, -1); for ( ; nbox-- ; pbox++) { int x1 = pbox->x1; int y1 = pbox->y1; int destx = x1 + dx; int desty = y1 + dy; int w = pbox->x2 - x1 + 1; int h = pbox->y2 - y1 + 1; if ( destx < 0 ) x1 -= destx, w += destx, destx = 0; if ( desty < 0 ) y1 -= desty, h += desty, desty = 0; if ( destx + w > screenwidth ) w = screenwidth - destx; if ( desty + h > screenheight ) h = screenheight - desty; if ( w <= 0 ) continue; if ( h <= 0 ) continue; MGASelectBuffer(pScrn, MGA_BACK); mgaSubsequentScreenToScreenCopy(pScrn, x1, y1, destx, desty, w, h); MGASelectBuffer(pScrn, MGA_DEPTH); mgaSubsequentScreenToScreenCopy(pScrn, x1, y1, destx, desty, w, h); } MGASelectBuffer(pScrn, MGA_FRONT); if (pboxNew2) { DEALLOCATE_LOCAL(pptNew2); DEALLOCATE_LOCAL(pboxNew2); } if (pboxNew1) { DEALLOCATE_LOCAL(pptNew1); DEALLOCATE_LOCAL(pboxNew1); } pMga->AccelInfoRec->NeedToSync = TRUE; } #endif /* XF86DRI */