/* $XConsortium: amigaCfb.c,v 1.14 94/04/17 20:29:34 kaleb Exp $ */ /* Copyright (c) 1990 X Consortium Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of the X Consortium shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from the X Consortium. */ /************************************************************ 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 AMIGA 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. ********************************************************/ /* * Copyright (c) 1987 by the Regents of the University of California * Copyright (c) 1987 by Adam de Boor, UC Berkeley * * 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 * notice appear in all copies. The University of California * makes no representations about the suitability of this * software for any purpose. It is provided "as is" without * express or implied warranty. */ /****************************************************************/ /* Modified from amigaCG4C.c for X11R3 by Tom Jarmolowski */ /****************************************************************/ /* * Copyright 1991, 1992, 1993 Kaleb S. Keithley * * 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 * notice appear in all copies. Kaleb S. Keithley makes no * representations about the suitability of this software for * any purpose. It is provided "as is" without express or * implied warranty. */ #include "amiga.h" #include "cfb.h" #include #include "miline.h" #define GXZEROLINEBIAS (OCTANT1 | OCTANT3 | OCTANT4 | OCTANT6) static void CGUpdateColormap(pScreen, dex, count, rmap, gmap, bmap) ScreenPtr pScreen; int dex, count; u_char *rmap, *gmap, *bmap; { struct grf_colormap amigaCmap; amigaCmap.index = dex; amigaCmap.count = count; amigaCmap.red = &rmap[dex]; amigaCmap.green = &gmap[dex]; amigaCmap.blue = &bmap[dex]; if (ioctl(amigaFbs[pScreen->myNum].fd, GRFIOCPUTCMAP, &amigaCmap) < 0) { Error("CGUpdateColormap"); FatalError( "CGUpdateColormap: GRFIOCPUTCMAP failed\n" ); } } void amigaInstallColormap(cmap) ColormapPtr cmap; { SetupScreen(cmap->pScreen); register int i; register Entry *pent; register VisualPtr pVisual = cmap->pVisual; u_char rmap[256], gmap[256], bmap[256]; unsigned long rMask, gMask, bMask; int oRed, oGreen, oBlue; if (cmap == pPrivate->installedMap) return; if (pPrivate->installedMap) WalkTree(pPrivate->installedMap->pScreen, TellLostMap, (pointer) &(pPrivate->installedMap->mid)); if ((pVisual->class | DynamicClass) == DirectColor) { if (pVisual->ColormapEntries < 256) { rMask = pVisual->redMask; gMask = pVisual->greenMask; bMask = pVisual->blueMask; oRed = pVisual->offsetRed; oGreen = pVisual->offsetGreen; oBlue = pVisual->offsetBlue; } else { rMask = gMask = bMask = 255; oRed = oGreen = oBlue = 0; } for (i = 0; i < 256; i++) { rmap[i] = cmap->red[(i & rMask) >> oRed].co.local.red >> 8; gmap[i] = cmap->green[(i & gMask) >> oGreen].co.local.green >> 8; bmap[i] = cmap->blue[(i & bMask) >> oBlue].co.local.blue >> 8; } } else { for (i = 0, pent = cmap->red; i < pVisual->ColormapEntries; i++, pent++) { if (pent->fShared) { rmap[i] = pent->co.shco.red->color >> 8; gmap[i] = pent->co.shco.green->color >> 8; bmap[i] = pent->co.shco.blue->color >> 8; } else { rmap[i] = pent->co.local.red >> 8; gmap[i] = pent->co.local.green >> 8; bmap[i] = pent->co.local.blue >> 8; } } } pPrivate->installedMap = cmap; (*pPrivate->UpdateColormap) (cmap->pScreen, 0, 256, rmap, gmap, bmap); WalkTree(cmap->pScreen, TellGainedMap, (pointer) &(cmap->mid)); } void amigaUninstallColormap(cmap) ColormapPtr cmap; { SetupScreen(cmap->pScreen); if (cmap == pPrivate->installedMap) { Colormap defMapID = cmap->pScreen->defColormap; if (cmap->mid != defMapID) { ColormapPtr defMap = (ColormapPtr) LookupIDByType(defMapID, RT_COLORMAP); if (defMap) (*cmap->pScreen->InstallColormap)(defMap); else ErrorF("amigaFbs: Can't find default colormap\n"); } } } int amigaListInstalledColormaps(pScreen, pCmapList) ScreenPtr pScreen; Colormap *pCmapList; { SetupScreen(pScreen); *pCmapList = pPrivate->installedMap->mid; return (1); } static void CGStoreColors(pmap, ndef, pdefs) ColormapPtr pmap; int ndef; xColorItem *pdefs; { SetupScreen(pmap->pScreen); u_char rmap[256], gmap[256], bmap[256]; xColorItem expanddefs[256]; register int i; if (pPrivate->installedMap != NULL && pPrivate->installedMap != pmap) return; if ((pmap->pVisual->class | DynamicClass) == DirectColor) { ndef = cfbExpandDirectColors(pmap, ndef, pdefs, expanddefs); pdefs = expanddefs; } while (ndef--) { i = pdefs->pixel; rmap[i] = pdefs->red >> 8; gmap[i] = pdefs->green >> 8; bmap[i] = pdefs->blue >> 8; (*pPrivate->UpdateColormap) (pmap->pScreen, i, 1, rmap, gmap, bmap); pdefs++; } } /* these are copies from STATIC section in cfb. Having them here doesn't force us to go STATIC_COLOR */ static ColormapPtr InstalledMaps[MAXSCREENS]; static int amigacfbListInstalledColormaps(pScreen, pmaps) ScreenPtr pScreen; Colormap *pmaps; { /* By the time we are processing requests, we can guarantee that there * is always a colormap installed */ *pmaps = InstalledMaps[pScreen->myNum]->mid; return (1); } static void amigacfbInstallColormap(pmap) ColormapPtr pmap; { int index = pmap->pScreen->myNum; ColormapPtr oldpmap = InstalledMaps[index]; if(pmap != oldpmap) { /* Uninstall pInstalledMap. No hardware changes required, just * notify all interested parties. */ if(oldpmap != (ColormapPtr)None) WalkTree(pmap->pScreen, TellLostMap, (char *)&oldpmap->mid); /* Install pmap */ InstalledMaps[index] = pmap; WalkTree(pmap->pScreen, TellGainedMap, (char *)&pmap->mid); } } static void amigacfbUninstallColormap(pmap) ColormapPtr pmap; { int index = pmap->pScreen->myNum; ColormapPtr curpmap = InstalledMaps[index]; if(pmap == curpmap) { if (pmap->mid != pmap->pScreen->defColormap) { curpmap = (ColormapPtr) LookupIDByType(pmap->pScreen->defColormap, RT_COLORMAP); (*pmap->pScreen->InstallColormap)(curpmap); } } } void CGScreenInit (pScreen) ScreenPtr pScreen; { #ifndef STATIC_COLOR /* { */ SetupScreen (pScreen); if (pScreen->rootDepth == 8) { pScreen->InstallColormap = amigaInstallColormap; pScreen->UninstallColormap = amigaUninstallColormap; pScreen->ListInstalledColormaps = amigaListInstalledColormaps; pScreen->StoreColors = CGStoreColors; pPrivate->UpdateColormap = CGUpdateColormap; if (amigaFlipPixels) { pScreen->whitePixel = (Pixel) 1; pScreen->blackPixel = (Pixel) 0; } else { pScreen->whitePixel = (Pixel) 0; pScreen->blackPixel = (Pixel) 1; } } else { /* initialize colors 0 and 1 so sprite is visible */ static unsigned char bw[2] = { 0, 255 }; CGUpdateColormap (pScreen, 0, 2, bw, bw, bw); pScreen->InstallColormap = amigacfbInstallColormap; pScreen->UninstallColormap = amigacfbUninstallColormap; pScreen->ListInstalledColormaps = amigacfbListInstalledColormaps; pScreen->StoreColors = (void (*)())NoopDDA; if (pScreen->rootDepth > 16) pScreen->backingStoreSupport = NotUseful; } #endif /* } */ } static void checkMono (argc, argv) int argc; char** argv; { int i; for (i = 1; i < argc; i++) if (strcmp (argv[i], "-mono") == 0) ErrorF ("-mono not appropriate for 3rd party gfx boards\n"); } #ifdef GFX_CARD_SUPPORT Bool UseGfxHardwareCursor = FALSE; Bool amigaGRFInit (screen, pScreen, argc, argv) int screen; /* what screen am I going to be */ ScreenPtr pScreen; /* The Screen to initialize */ int argc; /* The number of the Server's arguments. */ char **argv; /* The arguments themselves. Don't change! */ { pointer fb; checkMono (argc, argv); if (!amigaScreenAllocate (pScreen)) return FALSE; if (!amigaFbs[screen].fb) { if ((fb = amigaMemoryMap (amigaFbs[screen].info.gd_fbsize, amigaFbs[screen].info.gd_regsize, amigaFbs[screen].fd)) == NULL) return FALSE; amigaFbs[screen].fb = fb; } amigaFbs[screen].EnterLeave = (void (*)())NoopDDA; if (!amigaCfbScreenInit (pScreen, amigaFbs[screen].fb, amigaFbs[screen].info.gd_fbwidth, amigaFbs[screen].info.gd_fbheight, monitorResolution, monitorResolution, amigaFbs[screen].info.gd_fbwidth, amigaFbs[screen].info.gd_planes)) return FALSE; CGScreenInit (pScreen); if (amigaUseHWC) UseGfxHardwareCursor = TRUE; if (!amigaScreenInit (pScreen)) return FALSE; UseGfxHardwareCursor = FALSE; amigaSaveScreen (pScreen, SCREEN_SAVER_OFF); return cfbCreateDefColormap(pScreen); } #ifdef RETINAZ3_SUPPORT Bool amigaRZ3Init (screen, pScreen, argc, argv) int screen; /* The index of pScreen in the ScreenInfo */ ScreenPtr pScreen; /* The Screen to initialize */ int argc; /* The number of the Server's arguments. */ char** argv; /* The arguments themselves. Don't change! */ { pointer fb; checkMono (argc, argv); if (!amigaScreenAllocate (pScreen)) return FALSE; if (!amigaFbs[screen].fb) { if ((fb = amigaMemoryMap (amigaFbs[screen].info.gd_fbsize, amigaFbs[screen].info.gd_regsize, amigaFbs[screen].fd)) == NULL) return FALSE; amigaFbs[screen].fb = fb; if ((fb = amigaMemoryMap (amigaFbs[screen].info.gd_regsize, 0, amigaFbs[screen].fd)) == NULL) return FALSE; amigaFbs[screen].regs = fb; } amigaFbs[screen].EnterLeave = (void (*)())NoopDDA; if (!amigaCfbSetupScreen (pScreen, amigaFbs[screen].fb, amigaFbs[screen].info.gd_fbwidth, amigaFbs[screen].info.gd_fbheight, monitorResolution, monitorResolution, amigaFbs[screen].info.gd_fbwidth, amigaFbs[screen].info.gd_planes)) return FALSE; if (amigaNoGX == FALSE) { if (!amigaGXInit (pScreen, &amigaFbs[screen])) return FALSE; } if (amigaFbs[screen].info.gd_planes != 8) { if (!cfbSetVisualTypes (amigaFbs[screen].info.gd_planes, ((1 << StaticGray) | (1 << TrueColor)), amigaFbs[screen].info.gd_planes)) return FALSE; } if (!amigaCfbFinishScreenInit(pScreen, amigaFbs[screen].fb, amigaFbs[screen].info.gd_fbwidth, amigaFbs[screen].info.gd_fbheight, monitorResolution, monitorResolution, amigaFbs[screen].info.gd_fbwidth, amigaFbs[screen].info.gd_planes)) return FALSE; if (amigaNoGX == FALSE) { miSetZeroLineBias(pScreen, GXZEROLINEBIAS); } CGScreenInit (pScreen); if (amigaUseHWC) UseGfxHardwareCursor = TRUE; if (!amigaScreenInit (pScreen)) return FALSE; UseGfxHardwareCursor = FALSE; amigaSaveScreen (pScreen, SCREEN_SAVER_OFF); return cfbCreateDefColormap(pScreen); } #endif /* RETINAZ3_SUPPORT */ #ifdef CIRRUS_SUPPORT Bool amigaCLInit (screen, pScreen, argc, argv) int screen; /* The index of pScreen in the ScreenInfo */ ScreenPtr pScreen; /* The Screen to initialize */ int argc; /* The number of the Server's arguments. */ char** argv; /* The arguments themselves. Don't change! */ { pointer fb; checkMono (argc, argv); if (!amigaScreenAllocate (pScreen)) return FALSE; if (!amigaFbs[screen].fb) { if ((fb = amigaMemoryMap (amigaFbs[screen].info.gd_fbsize, amigaFbs[screen].info.gd_regsize, amigaFbs[screen].fd)) == NULL) return FALSE; amigaFbs[screen].fb = fb; if ((fb = amigaMemoryMap (amigaFbs[screen].info.gd_regsize, 0, amigaFbs[screen].fd)) == NULL) return FALSE; amigaFbs[screen].regs = fb; } amigaFbs[screen].EnterLeave = (void (*)())NoopDDA; if (!amigaCfbSetupScreen (pScreen, amigaFbs[screen].fb, amigaFbs[screen].info.gd_fbwidth, amigaFbs[screen].info.gd_fbheight, monitorResolution, monitorResolution, amigaFbs[screen].info.gd_fbwidth, amigaFbs[screen].info.gd_planes)) return FALSE; if (amigaNoGX == FALSE) { if (!amigaCLGXInit (pScreen, &amigaFbs[screen])) return FALSE; } if (amigaFbs[screen].info.gd_planes != 8) { if (!cfbSetVisualTypes (amigaFbs[screen].info.gd_planes, ((1 << StaticGray) | (1 << TrueColor)), amigaFbs[screen].info.gd_planes)) return FALSE; } if (!amigaCfbFinishScreenInit(pScreen, amigaFbs[screen].fb, amigaFbs[screen].info.gd_fbwidth, amigaFbs[screen].info.gd_fbheight, monitorResolution, monitorResolution, amigaFbs[screen].info.gd_fbwidth, amigaFbs[screen].info.gd_planes)) return FALSE; if (amigaNoGX == FALSE) { miSetZeroLineBias(pScreen, GXZEROLINEBIAS); } CGScreenInit (pScreen); if (amigaUseHWC) UseGfxHardwareCursor = TRUE; if (!amigaScreenInit (pScreen)) return FALSE; UseGfxHardwareCursor = FALSE; amigaSaveScreen (pScreen, SCREEN_SAVER_OFF); return cfbCreateDefColormap(pScreen); } #endif /* CIRRUS_SUPPORT */ #endif /* GFX_CARD_SUPPORT */