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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/vgahw/vgaCmap.c | |
download | vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.gz vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.bz2 vcxsrv-3562e78743202e43aec8727005182a2558117eca.zip |
Checked in the following released items:
xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/hw/xfree86/vgahw/vgaCmap.c')
-rw-r--r-- | xorg-server/hw/xfree86/vgahw/vgaCmap.c | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/vgahw/vgaCmap.c b/xorg-server/hw/xfree86/vgahw/vgaCmap.c new file mode 100644 index 000000000..44043c6c7 --- /dev/null +++ b/xorg-server/hw/xfree86/vgahw/vgaCmap.c @@ -0,0 +1,302 @@ +/* + * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Thomas Roell not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Thomas Roell makes no representations + * about the suitability of this software for any purpose. It is provided + * "as is" without express or implied warranty. + * + * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THOMAS ROELL 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. + * + */ + + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "windowstr.h" +#include "compiler.h" +#include "mipointer.h" +#include "micmap.h" + +#include "xf86.h" +#include "vgaHW.h" + +#define _XF86DGA_SERVER_ +#include <X11/extensions/xf86dgastr.h> +#include "dgaproc.h" + + +#define NOMAPYET (ColormapPtr) 0 + +int +vgaListInstalledColormaps(pScreen, pmaps) + ScreenPtr pScreen; + Colormap *pmaps; +{ + /* By the time we are processing requests, we can guarantee that there + * is always a colormap installed */ + + *pmaps = miInstalledMaps[pScreen->myNum]->mid; + return(1); +} + +int +vgaGetInstalledColormaps(pScreen, pmaps) + ScreenPtr pScreen; + ColormapPtr *pmaps; +{ + /* By the time we are processing requests, we can guarantee that there + * is always a colormap installed */ + + *pmaps = miInstalledMaps[pScreen->myNum]; + return(1); +} + +int vgaCheckColorMap(ColormapPtr pmap) +{ + return (pmap != miInstalledMaps[pmap->pScreen->myNum]); +} + + +void +vgaStoreColors(pmap, ndef, pdefs) + ColormapPtr pmap; + int ndef; + xColorItem *pdefs; +{ + int i; + unsigned char *cmap, *tmp = NULL; + xColorItem directDefs[256]; + Bool new_overscan = FALSE; + Bool writeColormap; + + /* This can get called before the ScrnInfoRec is installed so we + can't rely on getting it with XF86SCRNINFO() */ + int scrnIndex = pmap->pScreen->myNum; + ScrnInfoPtr scrninfp = xf86Screens[scrnIndex]; + vgaHWPtr hwp = VGAHWPTR(scrninfp); + + unsigned char overscan = hwp->ModeReg.Attribute[OVERSCAN]; + unsigned char tmp_overscan = 0; + + if (vgaCheckColorMap(pmap)) + return; + + if ((pmap->pVisual->class | DynamicClass) == DirectColor) + { + ndef = miExpandDirectColors (pmap, ndef, pdefs, directDefs); + pdefs = directDefs; + } + + writeColormap = scrninfp->vtSema; + if (DGAAvailable(scrnIndex)) + { + writeColormap = writeColormap || + (DGAGetDirectMode(scrnIndex) && + !(DGAGetFlags(scrnIndex) & XF86DGADirectColormap)) || + (DGAGetFlags(scrnIndex) & XF86DGAHasColormap); + } + + if (writeColormap) + hwp->enablePalette(hwp); + + for(i = 0; i < ndef; i++) + { + if (pdefs[i].pixel == overscan) + { + new_overscan = TRUE; + } + cmap = &(hwp->ModeReg.DAC[pdefs[i].pixel*3]); + if (scrninfp->rgbBits == 8) { + cmap[0] = pdefs[i].red >> 8; + cmap[1] = pdefs[i].green >> 8; + cmap[2] = pdefs[i].blue >> 8; + } + else { + cmap[0] = pdefs[i].red >> 10; + cmap[1] = pdefs[i].green >> 10; + cmap[2] = pdefs[i].blue >> 10; + } +#if 0 + if (clgd6225Lcd) + { + /* The LCD doesn't like white */ + if (cmap[0] == 63) cmap[0]= 62; + if (cmap[1] == 63) cmap[1]= 62; + if (cmap[2] == 63) cmap[2]= 62; + } +#endif + + if (writeColormap) + { + if (hwp->ShowOverscan && i == 255) + continue; + hwp->writeDacWriteAddr(hwp, pdefs[i].pixel); + DACDelay(hwp); + hwp->writeDacData(hwp, cmap[0]); + DACDelay(hwp); + hwp->writeDacData(hwp, cmap[1]); + DACDelay(hwp); + hwp->writeDacData(hwp, cmap[2]); + DACDelay(hwp); + } + } + if (new_overscan && !hwp->ShowOverscan) + { + new_overscan = FALSE; + for(i = 0; i < ndef; i++) + { + if (pdefs[i].pixel == overscan) + { + if ((pdefs[i].red != 0) || + (pdefs[i].green != 0) || + (pdefs[i].blue != 0)) + { + new_overscan = TRUE; + tmp_overscan = overscan; + tmp = &(hwp->ModeReg.DAC[pdefs[i].pixel*3]); + } + break; + } + } + if (new_overscan) + { + /* + * Find a black pixel, or the nearest match. + */ + for (i=255; i >= 0; i--) + { + cmap = &(hwp->ModeReg.DAC[i*3]); + if ((cmap[0] == 0) && (cmap[1] == 0) && (cmap[2] == 0)) + { + overscan = i; + break; + } + else + { + if ((cmap[0] < tmp[0]) && + (cmap[1] < tmp[1]) && (cmap[2] < tmp[2])) + { + tmp = cmap; + tmp_overscan = i; + } + } + } + if (i < 0) + { + overscan = tmp_overscan; + } + hwp->ModeReg.Attribute[OVERSCAN] = overscan; + if (writeColormap) + { + hwp->writeAttr(hwp, OVERSCAN, overscan); + } + } + } + + if (writeColormap) + hwp->disablePalette(hwp); +} + + +void +vgaInstallColormap(pmap) + ColormapPtr pmap; +{ + ColormapPtr oldmap = miInstalledMaps[pmap->pScreen->myNum]; + int entries; + Pixel * ppix; + xrgb * prgb; + xColorItem *defs; + int i; + + + if (pmap == oldmap) + return; + + if ((pmap->pVisual->class | DynamicClass) == DirectColor) + entries = (pmap->pVisual->redMask | + pmap->pVisual->greenMask | + pmap->pVisual->blueMask) + 1; + else + entries = pmap->pVisual->ColormapEntries; + + ppix = (Pixel *)xalloc( entries * sizeof(Pixel)); + prgb = (xrgb *)xalloc( entries * sizeof(xrgb)); + defs = (xColorItem *)xalloc(entries * sizeof(xColorItem)); + + if ( oldmap != NOMAPYET) + WalkTree( pmap->pScreen, TellLostMap, &oldmap->mid); + + miInstalledMaps[pmap->pScreen->myNum] = pmap; + + for ( i=0; i<entries; i++) ppix[i] = i; + + QueryColors( pmap, entries, ppix, prgb); + + for ( i=0; i<entries; i++) /* convert xrgbs to xColorItems */ + { + defs[i].pixel = ppix[i]; + defs[i].red = prgb[i].red; + defs[i].green = prgb[i].green; + defs[i].blue = prgb[i].blue; + defs[i].flags = DoRed|DoGreen|DoBlue; + } + pmap->pScreen->StoreColors(pmap, entries, defs); + + WalkTree(pmap->pScreen, TellGainedMap, &pmap->mid); + + xfree(ppix); + xfree(prgb); + xfree(defs); +} + + +void +vgaUninstallColormap(pmap) + ColormapPtr pmap; +{ + + ColormapPtr defColormap; + + if ( pmap != miInstalledMaps[pmap->pScreen->myNum] ) + return; + + defColormap = (ColormapPtr) LookupIDByType( pmap->pScreen->defColormap, + RT_COLORMAP); + + if (defColormap == miInstalledMaps[pmap->pScreen->myNum]) + return; + + (*pmap->pScreen->InstallColormap) (defColormap); +} + + +void +vgaHandleColormaps(ScreenPtr pScreen, ScrnInfoPtr scrnp) +{ + if (scrnp->bitsPerPixel > 1) { + if (scrnp->bitsPerPixel <= 8) { /* For 8bpp SVGA and VGA16 */ + pScreen->InstallColormap = vgaInstallColormap; + pScreen->UninstallColormap = vgaUninstallColormap; + pScreen->ListInstalledColormaps = vgaListInstalledColormaps; + pScreen->StoreColors = vgaStoreColors; + } + } +} + |