/* $XConsortium: s3scrin.c,v 1.4 95/01/16 20:07:23 kaleb Exp $ */ /* $XFree86: xc/programs/Xserver/hw/xfree86/accel/s3/s3scrin.c,v 3.7 1995/01/28 17:15:18 dawes Exp $ */ /************************************************************ Copyright 1987 by Sun Microsystems, Inc. Mountain View, CA. All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright no- tice appear in all copies and that both that copyright no- tice and this permission notice appear in supporting docu- mentation, and that the names of Sun or X Consortium not be used in advertising or publicity pertaining to distribution of the software without specific prior written permission. Sun and X Consortium make no representations about the suitability of this software for any purpose. It is provided "as is" without any express or implied warranty. SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE LI- ABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. Modified for the 8514/A by Kevin E. Martin (martin@cs.unc.edu) KEVIN E. MARTIN AND RICKARD E. FAITH DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL KEVIN E. MARTIN BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ********************************************************/ /* Modified for the Mach-8 by Rickard E. Faith (faith@cs.unc.edu) Modified for the Mach32 by Kevin E. Martin (martin@cs.unc.edu) Modified for the S3 by Jon N. Tombs (jon@esix2.us.es) */ #include "X.h" #include "Xmd.h" #include "Xproto.h" #include "servermd.h" #include "scrnintstr.h" #include "pixmapstr.h" #include "resource.h" #include "colormap.h" #include "colormapst.h" #include "cfb.h" #include "cfb16.h" #include "cfb32.h" #include "mi.h" #include "mistruct.h" #include "dix.h" #include "cfbmskbits.h" #include "mibstore.h" #include "s3.h" #include "regs3.h" extern RegionPtr mfbPixmapToRegion(); extern Bool mfbRegisterCopyPlaneProc(); extern int defaultColorVisualClass; extern xrgb xf86weight; extern RegionPtr miCopyPlane(); static unsigned long cfbGeneration = 0; miBSFuncRec s3BSFuncRec = { s3SaveAreas, s3RestoreAreas, (void (*)()) 0, (PixmapPtr (*)()) 0, (PixmapPtr (*)()) 0, }; /* dts * (inch/dot) * (25.4 mm / inch) = mm */ Bool s3ScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width) register ScreenPtr pScreen; pointer pbits; /* pointer to screen bitmap */ int xsize; int ysize; /* in pixels */ int dpix; int dpiy; /* dots per inch */ int width; /* pixel width of frame buffer */ { VisualPtr visuals; DepthPtr depths; int nvisuals; int ndepths; int rootdepth; VisualID defaultVisual; int bitsPerRGB; int i; Bool Rstatus; VisualPtr visual; pointer oldDevPrivate; rootdepth = 0; bitsPerRGB = 6; switch (s3InfoRec.bitsPerPixel) { case 8: if (s3DAC8Bit) bitsPerRGB = 8; break; case 16: if (xf86weight.red == 5 && xf86weight.green == 5 && xf86weight.blue == 5) bitsPerRGB = 5; break; case 32: bitsPerRGB = 8; break; } if (cfbGeneration != serverGeneration) { /* Only TrueColor for 16/32bpp */ if (s3InfoRec.bitsPerPixel > 8) { if (!cfbSetVisualTypes(s3InfoRec.depth, 1 << TrueColor, bitsPerRGB)) return FALSE; } if (!cfbInitVisuals(&visuals, &depths, &nvisuals, &ndepths, &rootdepth, &defaultVisual, 1<<(s3InfoRec.bitsPerPixel - 1), bitsPerRGB)) return FALSE; cfbGeneration = serverGeneration; } if (rootdepth == 15 || rootdepth == 16 || rootdepth == 24 || rootdepth == 32) { /* * There are several possible color weightings at 16/24bpp. * Set them up here. */ for (i = 0, visual = visuals; i < nvisuals; i++, visual++) if (visual->class == DirectColor || visual->class == TrueColor) { visual->offsetRed = xf86weight.green + xf86weight.blue; visual->offsetGreen = xf86weight.blue; visual->offsetBlue = 0; visual->redMask = ((1 << xf86weight.red) - 1) << visual->offsetRed; visual->greenMask = ((1 << xf86weight.green) - 1) << visual->offsetGreen; visual->blueMask = (1 << xf86weight.blue) - 1; } } cfbWindowPrivateIndex = cfbGCPrivateIndex = -1; pScreen->defColormap = FakeClientID(0); /* let CreateDefColormap do whatever it wants for pixels */ pScreen->blackPixel = pScreen->whitePixel = (Pixel) 0; pScreen->QueryBestSize = mfbQueryBestSize; /* SaveScreen */ pScreen->GetImage = s3GetImage; pScreen->GetSpans = s3GetSpans; pScreen->PaintWindowBackground = miPaintWindow; pScreen->PaintWindowBorder = miPaintWindow; pScreen->CopyWindow = s3CopyWindow; pScreen->RealizeFont = s3RealizeFont; pScreen->UnrealizeFont = s3UnrealizeFont; switch (rootdepth) { case 8: pScreen->CreateGC = s3CreateGC; if (!cfbAllocatePrivates(pScreen, &cfbWindowPrivateIndex, &cfbGCPrivateIndex)) return FALSE; pScreen->CreateWindow = cfbCreateWindow; pScreen->DestroyWindow = cfbDestroyWindow; pScreen->PositionWindow = cfbPositionWindow; pScreen->ChangeWindowAttributes = cfbChangeWindowAttributes; pScreen->RealizeWindow = cfbMapWindow; pScreen->UnrealizeWindow = cfbUnmapWindow; pScreen->CreatePixmap = cfbCreatePixmap; pScreen->DestroyPixmap = cfbDestroyPixmap; mfbRegisterCopyPlaneProc (pScreen, s3CopyPlane); break; case 15: case 16: pScreen->CreateGC = s3CreateGC16; if (!cfb16AllocatePrivates(pScreen, &cfbWindowPrivateIndex, &cfbGCPrivateIndex)) return FALSE; pScreen->CreateWindow = cfb16CreateWindow; pScreen->DestroyWindow = cfb16DestroyWindow; pScreen->PositionWindow = cfb16PositionWindow; pScreen->ChangeWindowAttributes = cfb16ChangeWindowAttributes; pScreen->RealizeWindow = cfb16MapWindow; pScreen->UnrealizeWindow = cfb16UnmapWindow; pScreen->CreatePixmap = cfb16CreatePixmap; pScreen->DestroyPixmap = cfb16DestroyPixmap; mfbRegisterCopyPlaneProc (pScreen, s3CopyPlane); break; case 24: case 32: pScreen->CreateGC = s3CreateGC32; if (!cfb32AllocatePrivates(pScreen, &cfbWindowPrivateIndex, &cfbGCPrivateIndex)) return FALSE; pScreen->CreateWindow = cfb32CreateWindow; pScreen->DestroyWindow = cfb32DestroyWindow; pScreen->PositionWindow = cfb32PositionWindow; pScreen->ChangeWindowAttributes = cfb32ChangeWindowAttributes; pScreen->RealizeWindow = cfb32MapWindow; pScreen->UnrealizeWindow = cfb32UnmapWindow; pScreen->CreatePixmap = cfb32CreatePixmap; pScreen->DestroyPixmap = cfb32DestroyPixmap; mfbRegisterCopyPlaneProc (pScreen, s3CopyPlane); break; default: FatalError("root depth %d not (yet?) supported\n", rootdepth); } pScreen->CreateColormap = cfbInitializeColormap; pScreen->DestroyColormap = (DestroyColormapProcPtr)NoopDDA; pScreen->ResolveColor = cfbResolveColor; pScreen->BitmapToRegion = mfbPixmapToRegion; /* XXX: new cursor? pScreen->BlockHandler = s3BlockHandler;*/ if (rootdepth != 8) { oldDevPrivate = pScreen->devPrivate; } Rstatus = miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width, rootdepth, ndepths, depths, defaultVisual, nvisuals, visuals, &s3BSFuncRec); if (rootdepth > 16) { pScreen->CreateScreenResources = cfb32CreateScreenResources; pScreen->devPrivates[cfb32ScreenPrivateIndex].ptr = pScreen->devPrivate; pScreen->devPrivate = oldDevPrivate; } else if (rootdepth > 8) { pScreen->CreateScreenResources = cfb16CreateScreenResources; pScreen->devPrivates[cfb16ScreenPrivateIndex].ptr = pScreen->devPrivate; pScreen->devPrivate = oldDevPrivate; } return Rstatus; }