/* $Id: Exp $ *************************************************************************** X server for LibGLTEX - graphic accelerated functions Copyright (C) 2002 Christopher Alexander North-Keys http://www.talisman.org/~erlkonig/ *************************************************************************** */ #define PSZ 8 #include "mi.h" #include "cfb.h" #include "../../hw/xfree86/common/cfb16.h" #include "../../hw/xfree86/common/cfb24.h" #include "../../hw/xfree86/common/cfb32.h" #include "scrnintstr.h" #include "mibstore.h" #include "gcstruct.h" #include "xgltex.h" static unsigned long mask2offset(unsigned long mask) { int i; for (i = 0 ; (mask & 1) == 0 ; ++i) mask >>= 1; return i; } /* xgltexScreenInit */ extern miBSFuncRec mfbBSFuncRec, cfbBSFuncRec, cfb16BSFuncRec; extern miBSFuncRec cfb24BSFuncRec, cfb32BSFuncRec; Bool xgltexScreenInit(ScreenPtr pScreen, pointer pbits, int xsize, int ysize, int dpix, int dpiy, int width) { xgltexTexture_t *tex = &(xgltexVars.tex); VisualPtr visuals; DepthPtr depths; int nvisuals; int ndepths; int rootdepth = 0; VisualID defaultVisual; int bitsPerRGB; int i; Bool Rstatus; VisualPtr visual; pointer oldDevPrivate = 0; miBSFuncPtr bsFuncs; if(tex->pixel_bits > 8) { int significant_bits = tex->comp_bits * tex->zsize; fprintf(stderr, "cfbSetVisualTypes(%d, %d, %d)\n", significant_bits, 1 << TrueColor, tex->comp_bits); if ( ! cfbSetVisualTypes(significant_bits, 1 << TrueColor, tex->comp_bits)) { ErrorF("cfbSetVisualTypes failed\n"); return FALSE; } } if ( ! cfbInitVisuals(&visuals, &depths, &nvisuals, &ndepths, &rootdepth, &defaultVisual, 1 << (tex->pixel_bits - 1), tex->comp_bits)) { ErrorF("cfbInitVisuals failed\n"); return FALSE; } fprintf(stderr, "cfbInitVisuals results: nvisuals %d, ndepths %d, rootdepth %d, " "defaultVisual %d)\n", nvisuals, ndepths, rootdepth, defaultVisual); if (rootdepth > 8) { for (i = 0, visual = visuals; i < nvisuals; i++, visual++) { if (visual->class == DirectColor || visual->class == TrueColor) { /* XXX probably needs to be pushed left for RGBA */ visual->redMask = 0x0000ff; /* used for 8bit greyscale */ visual->greenMask = 0x00ff00; /* useless to lum */ visual->blueMask = 0xff0000; /* useless to lum, lum+alph */ fprintf(stderr, "Masks: r %#lx, g %#lx, b %#lx\n", (unsigned long int)visual->redMask, (unsigned long int)visual->greenMask, (unsigned long int)visual->blueMask); visual->offsetRed = mask2offset(visual->redMask); visual->offsetGreen = mask2offset(visual->greenMask); visual->offsetBlue = mask2offset(visual->blueMask); } else ErrorF(__FUNCTION__" warning: visual not Direct/TrueColor\n"); } } cfbWindowPrivateIndex = cfbGCPrivateIndex = -1; /* for screen 0 only */ pScreen->defColormap = FakeClientID(0); pScreen->whitePixel = (Pixel) 1; pScreen->blackPixel = (Pixel) 0; pScreen->QueryBestSize = mfbQueryBestSize; pScreen->RealizeFont = mfbRealizeFont; pScreen->UnrealizeFont = mfbUnrealizeFont; switch (rootdepth) { case 1: bsFuncs = &mfbBSFuncRec; pScreen->GetImage = mfbGetImage; pScreen->GetSpans = mfbGetSpans; pScreen->PaintWindowBackground = mfbPaintWindow; pScreen->PaintWindowBorder = mfbPaintWindow; pScreen->CreateGC = mfbCreateGC; if ( ! mfbAllocatePrivates(pScreen, NULL, NULL)) { ErrorF("mfbAllocatePrivates failed\n"); return FALSE; } pScreen->CreateWindow = mfbCreateWindow; pScreen->DestroyWindow = mfbDestroyWindow; pScreen->PositionWindow = mfbPositionWindow; pScreen->ChangeWindowAttributes = mfbChangeWindowAttributes; pScreen->RealizeWindow = mfbMapWindow; pScreen->UnrealizeWindow = mfbUnmapWindow; pScreen->CreatePixmap = mfbCreatePixmap; pScreen->DestroyPixmap = mfbDestroyPixmap; pScreen->CopyWindow = mfbCopyWindow; mfbRegisterCopyPlaneProc(pScreen, mfbCopyPlane); break; case 8: bsFuncs = &cfbBSFuncRec; pScreen->GetImage = cfbGetImage; pScreen->GetSpans = cfbGetSpans; pScreen->PaintWindowBackground = cfbPaintWindow; pScreen->PaintWindowBorder = cfbPaintWindow; pScreen->CreateGC = cfbCreateGC; if ( ! cfbAllocatePrivates(pScreen, NULL, NULL)) { ErrorF("cfbAllocatePrivates failed\n"); 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; pScreen->CopyWindow = cfbCopyWindow; mfbRegisterCopyPlaneProc(pScreen, cfbCopyPlane); break; case 16: bsFuncs = &cfb16BSFuncRec; pScreen->GetImage = cfb16GetImage; pScreen->GetSpans = cfb16GetSpans; pScreen->PaintWindowBackground = cfb16PaintWindow; pScreen->PaintWindowBorder = cfb16PaintWindow; pScreen->CreateGC = cfb16CreateGC; if ( ! cfb16AllocatePrivates(pScreen, NULL, NULL)) { ErrorF("cfb16AllocatePrivates failed\n"); 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; pScreen->CopyWindow = cfb16CopyWindow; mfbRegisterCopyPlaneProc(pScreen, cfb16CopyPlane); break; case 24: case 32: if(24 == (tex->comp_bits * tex->zsize)) /* last 8 bits just padding? */ { bsFuncs = &cfb24BSFuncRec; pScreen->GetImage = cfb24GetImage; pScreen->GetSpans = cfb24GetSpans; pScreen->PaintWindowBackground = cfb24PaintWindow; pScreen->PaintWindowBorder = cfb24PaintWindow; pScreen->CreateGC = cfb24CreateGC; if ( ! cfb24AllocatePrivates(pScreen, NULL, NULL)) { ErrorF("cfb24AllocatePrivates failed\n"); return FALSE; } pScreen->CreateWindow = cfb24CreateWindow; pScreen->DestroyWindow = cfb24DestroyWindow; pScreen->PositionWindow = cfb24PositionWindow; pScreen->ChangeWindowAttributes = cfb24ChangeWindowAttributes; pScreen->RealizeWindow = cfb24MapWindow; pScreen->UnrealizeWindow = cfb24UnmapWindow; pScreen->CreatePixmap = cfb24CreatePixmap; pScreen->DestroyPixmap = cfb24DestroyPixmap; pScreen->CopyWindow = cfb24CopyWindow; mfbRegisterCopyPlaneProc(pScreen, cfb24CopyPlane); } else { bsFuncs = &cfb32BSFuncRec; pScreen->GetImage = cfb32GetImage; pScreen->GetSpans = cfb32GetSpans; pScreen->PaintWindowBackground = cfb32PaintWindow; pScreen->PaintWindowBorder = cfb32PaintWindow; pScreen->CreateGC = cfb32CreateGC; if ( ! cfb32AllocatePrivates(pScreen, NULL, NULL)) { ErrorF("cfb32AllocatePrivates failed\n"); 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; pScreen->CopyWindow = cfb32CopyWindow; mfbRegisterCopyPlaneProc(pScreen, cfb32CopyPlane); } break; default: FatalError("root depth %d not supported\n", rootdepth); } pScreen->CreateColormap = cfbInitializeColormap; pScreen->DestroyColormap = (DestroyColormapProcPtr)NoopDDA; if (rootdepth == 1) { pScreen->ResolveColor = mfbResolveColor; } else { pScreen->ResolveColor = cfbResolveColor; } pScreen->BitmapToRegion = mfbPixmapToRegion; if (rootdepth != 8) { oldDevPrivate = pScreen->devPrivate; } fprintf(stderr, "miScreenInit(%#lx, %d, %d, %d, " /* pS pbi xs ys */ "%d, %d, %d, %d,\n" /* dpx dpy wid rootd */ " %d, %d, %d, " /* ndep dep defVis */ "%d, %#lx, %#lx)\n", /* nvis vis bsF */ pScreen, pbits, /* < caller */ xsize, ysize, dpix, dpiy, width, /* < caller */ rootdepth, ndepths, depths, defaultVisual, /*CloseScreen = mfbCloseScreen; break; case 8: pScreen->CloseScreen = cfbCloseScreen; break; case 15: case 16: pScreen->CloseScreen = cfb16CloseScreen; pScreen->CreateScreenResources = cfb16CreateScreenResources; pScreen->devPrivates[cfb16ScreenPrivateIndex].ptr = pScreen->devPrivate; pScreen->devPrivate = oldDevPrivate; break; case 24: case 32: if (tex->pixel_bits == 24) { pScreen->CloseScreen = cfb24CloseScreen; pScreen->CreateScreenResources = cfb24CreateScreenResources; pScreen->devPrivates[cfb24ScreenPrivateIndex].ptr = pScreen->devPrivate; pScreen->devPrivate = oldDevPrivate; } else { pScreen->CloseScreen = cfb32CloseScreen; pScreen->CreateScreenResources = cfb32CreateScreenResources; pScreen->devPrivates[cfb32ScreenPrivateIndex].ptr = pScreen->devPrivate; pScreen->devPrivate = oldDevPrivate; } break; } return Rstatus; }