71 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Id: s3cmap.c,v 1.1 1999/11/02 08:17:24 keithp Exp $
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 *
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 * Copyright © 1999 Keith Packard
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 *
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 * Permission to use, copy, modify, distribute, and sell this software and its
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 * documentation for any purpose is hereby granted without fee, provided that
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 * the above copyright notice appear in all copies and that both that
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 * copyright notice and this permission notice appear in supporting
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 * documentation, and that the name of Keith Packard not be used in
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 * advertising or publicity pertaining to distribution of the software without
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 * specific, written prior permission.  Keith Packard makes no
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 * representations about the suitability of this software for any purpose.  It
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 * is provided "as is" without express or implied warranty.
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 *
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 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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 * PERFORMANCE OF THIS SOFTWARE.
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 */
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/* $XFree86: xc/programs/Xserver/hw/kdrive/trio/s3cmap.c,v 1.1 1999/11/19 13:54:05 hohndel Exp $ */
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#include "s3.h"
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void
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s3GetColors (ScreenPtr pScreen, int fb, int ndef, xColorItem *pdefs)
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{
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    KdScreenPriv(pScreen);
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    s3CardInfo(pScreenPriv);
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    S3Ptr   s3 = s3c->s3;
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    VOL8   *dac_rd_ad = &s3->crt_vga_dac_rd_ad;
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    VOL8   *dac_data = &s3->crt_vga_dac_data;
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    LockS3 (s3c);
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    while (ndef--)
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    {
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	*dac_rd_ad = pdefs->pixel;
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	pdefs->red = *dac_data << 10;
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	pdefs->green = *dac_data << 10;
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	pdefs->blue = *dac_data << 10;
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	pdefs++;
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    }
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    UnlockS3(s3c);
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}
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void
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s3PutColors (ScreenPtr pScreen, int fb, int ndef, xColorItem *pdefs)
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{
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    KdScreenPriv(pScreen);
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    s3CardInfo(pScreenPriv);
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    S3Ptr   s3 = s3c->s3;
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    VOL8   *dac_wt_ad = &s3->crt_vga_dac_wt_ad;
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    VOL8   *dac_data = &s3->crt_vga_dac_data;
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    LockS3(s3c);
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    _s3WaitVRetrace (s3);
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    while (ndef--)
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    {
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	*dac_wt_ad = pdefs->pixel;
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	*dac_data = pdefs->red >> 10;
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	*dac_data = pdefs->green >> 10;
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	*dac_data = pdefs->blue >> 10;
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	pdefs++;
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    }
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    UnlockS3(s3c);
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}
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