diff options
Diffstat (limited to 'xc/programs/Xserver/hw/kdrive/igs/igscmap.c')
| -rw-r--r-- | xc/programs/Xserver/hw/kdrive/igs/igscmap.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/xc/programs/Xserver/hw/kdrive/igs/igscmap.c b/xc/programs/Xserver/hw/kdrive/igs/igscmap.c new file mode 100644 index 000000000..dcebe264d --- /dev/null +++ b/xc/programs/Xserver/hw/kdrive/igs/igscmap.c @@ -0,0 +1,61 @@ +/* + * $XFree86: xc/programs/Xserver/hw/kdrive/igs/igscmap.c,v 1.1 2000/05/24 23:52:48 keithp Exp $ + * + * Copyright © 2000 Keith Packard + * + * 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 Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD 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. + */ + +#include "igs.h" + +#define IGS_DAC_SHIFT 8 +void +igsGetColors (ScreenPtr pScreen, int fb, int ndef, xColorItem *pdefs) +{ + KdScreenPriv(pScreen); + igsCardInfo(pScreenPriv); + IgsVga *igsvga = &igsc->igsvga; + + while (ndef--) + { + igsSetImm (igsvga, igs_dac_read_index, pdefs->pixel); + pdefs->red = igsGetImm (igsvga, igs_dac_data) << IGS_DAC_SHIFT; + pdefs->green = igsGetImm (igsvga, igs_dac_data) << IGS_DAC_SHIFT; + pdefs->blue = igsGetImm (igsvga, igs_dac_data) << IGS_DAC_SHIFT; + pdefs++; + } +} + +void +igsPutColors (ScreenPtr pScreen, int fb, int ndef, xColorItem *pdefs) +{ + KdScreenPriv(pScreen); + igsCardInfo(pScreenPriv); + IgsVga *igsvga = &igsc->igsvga; + + while (ndef--) + { + igsSetImm (igsvga, igs_dac_write_index, pdefs->pixel); + igsSetImm (igsvga, igs_dac_data, pdefs->red >> IGS_DAC_SHIFT); + igsSetImm (igsvga, igs_dac_data, pdefs->green >> IGS_DAC_SHIFT); + igsSetImm (igsvga, igs_dac_data, pdefs->blue >> IGS_DAC_SHIFT); + pdefs++; + } +} + |