74 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			2.3 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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| /* $RCSId: xc/programs/Xserver/hw/kdrive/trio/s3cmap.c,v 1.1 1999/11/19 13:54:05 hohndel Exp $ */
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| 
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| #ifdef HAVE_CONFIG_H
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| #include <kdrive-config.h>
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| #endif
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| #include "s3.h"
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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