1097 lines
29 KiB
C
Executable file
1097 lines
29 KiB
C
Executable file
/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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* $Source: /cvsroot/dxx-rebirth/d1x-rebirth/2d/bitblt.c,v $
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* $Revision: 1.1.1.1 $
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* $Author: zicodxx $
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* $Date: 2006/03/17 19:38:50 $
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*
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* Routines for bitblt's.
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*
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* $Log: bitblt.c,v $
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* Revision 1.1.1.1 2006/03/17 19:38:50 zicodxx
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* initial import
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*
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* Revision 1.9 2000/10/27 09:23:00 donut
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* make show_fullscr accelerate scaling with OGL if possible
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*
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* Revision 1.8 1999/11/20 10:05:16 donut
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* variable size menu patch from Jan Bobrowski. Variable menu font size support and a bunch of fixes for menus that didn't work quite right, by me (MPM).
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*
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* Revision 1.7 1999/10/18 07:26:38 donut
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* beginning work on bitblt with source==BM_OGL, fixes squished bitblts, better support for alternate texture formats, support for driver specific hacks, etc
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*
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* Revision 1.6 1999/10/07 02:27:13 donut
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* OGL includes to remove warnings
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*
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* Revision 1.5 1999/09/30 23:02:26 donut
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* opengl direct support for ingame and normal menus, fonts as textures, and automap support
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*
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* Revision 1.4 1999/09/21 07:28:58 donut
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* fixed undefined variable, oops
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*
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* Revision 1.3 1999/09/21 06:51:11 donut
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* OpenGL: fixed corrupted textures, added bitmap display (reticle, etc)
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*
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* Revision 1.2 1999/08/05 22:53:40 sekmu
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*
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* D3D patch(es) from ADB
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*
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* Revision 1.1.1.1 1999/06/14 21:57:14 donut
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* Import of d1x 1.37 source.
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*
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* Revision 1.29 1995/03/14 12:14:28 john
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* Added code to double horz/vert bitblts.
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*
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* Revision 1.28 1995/03/13 09:01:48 john
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* Fixed bug with VFX1 screen not tall enough.
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*
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* Revision 1.27 1995/03/01 15:38:10 john
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* Better ModeX support.
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*
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* Revision 1.26 1994/12/15 12:19:00 john
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* Added gr_bm_bitblt (clipped!) function.
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*
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* Revision 1.25 1994/12/09 18:58:42 matt
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* Took out include of 3d.h
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*
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* Revision 1.24 1994/11/28 17:08:32 john
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* Took out some unused functions in linear.asm, moved
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* gr_linear_movsd from linear.asm to bitblt.c, made sure that
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* the code in ibiblt.c sets the direction flags before rep movsing.
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*
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* Revision 1.22 1994/11/23 16:04:00 john
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* Fixed generic rle'ing to use new bit method.
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*
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* Revision 1.21 1994/11/18 22:51:03 john
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* Changed a bunch of shorts to ints in calls.
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*
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* Revision 1.20 1994/11/10 15:59:48 john
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* Fixed bugs with canvas's being created with bogus bm_flags.
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*
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* Revision 1.19 1994/11/09 21:03:35 john
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* Added RLE for svga gr_ubitmap.
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*
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* Revision 1.18 1994/11/09 17:41:29 john
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* Made a slow version of rle bitblt to svga, modex.
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*
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* Revision 1.17 1994/11/09 16:35:15 john
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* First version with working RLE bitmaps.
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*
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* Revision 1.16 1994/11/04 10:06:58 john
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* Added fade table for fading fonts. Made font that partially clips
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* not print a warning message.
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*
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* Revision 1.15 1994/09/22 16:08:38 john
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* Fixed some palette stuff.
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*
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* Revision 1.14 1994/09/19 11:44:27 john
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* Changed call to allocate selector to the dpmi module.
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*
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* Revision 1.13 1994/08/08 13:03:00 john
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* Fixed bug in gr_bitmap in modex
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*
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* Revision 1.12 1994/07/13 19:47:23 john
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* Fixed bug with modex bitblt to page 2 not working.
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*
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* Revision 1.11 1994/05/31 11:10:52 john
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* *** empty log message ***
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*
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* Revision 1.10 1994/03/18 15:24:34 matt
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* Removed interlace stuff
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*
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* Revision 1.9 1994/02/18 15:32:20 john
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* *** empty log message ***
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*
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* Revision 1.8 1994/02/01 13:22:54 john
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* *** empty log message ***
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*
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* Revision 1.7 1994/01/13 08:28:25 mike
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* Modify rect copy to copy alternate scanlines when in interlaced mode.
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*
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* Revision 1.6 1993/12/28 12:09:46 john
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* added lbitblt.asm
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*
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* Revision 1.5 1993/10/26 13:18:09 john
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* *** empty log message ***
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*
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* Revision 1.4 1993/10/15 16:23:30 john
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* y
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*
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* Revision 1.3 1993/09/13 17:52:58 john
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* Fixed bug in BitBlt linear to SVGA
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*
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* Revision 1.2 1993/09/08 14:47:00 john
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* Made bitmap00 add rowsize instead of bitmap width.
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* Other routines might have this problem too.
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*
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* Revision 1.1 1993/09/08 11:43:01 john
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* Initial revision
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*
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*
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*/
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#include <string.h>
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#include "u_mem.h"
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#include "gr.h"
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#include "grdef.h"
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#include "rle.h"
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#include "mono.h"
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#include "error.h"
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#ifdef OGL
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#include "ogl_init.h"
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#endif
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int gr_bitblt_dest_step_shift = 0;
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int gr_bitblt_double = 0;
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ubyte *gr_bitblt_fade_table=NULL;
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void gr_bm_ubitblt00_rle(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest);
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void gr_bm_ubitblt00m_rle(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest);
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void gr_bm_ubitblt0x_rle(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest, int masked);
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void gr_bm_ubitblt01(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest);
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void gr_bm_ubitblt02(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest);
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#include "linear.h"
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#include "modex.h"
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#include "vesa.h"
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#ifdef NO_ASM
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void gr_linear_movsd( ubyte * source, ubyte * dest, unsigned int nbytes) {
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memcpy(dest,source,nbytes);
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}
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void gr_linear_rep_movsdm(ubyte *src, ubyte *dest, int num_pixels) {
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register ubyte c;
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while (num_pixels--)
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if ((c=*src++)!=255)
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*dest++=c;
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else dest++;
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}
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void gr_linear_rep_movsdm_faded(ubyte * src, ubyte * dest, int num_pixels, ubyte fade_value ) {
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register ubyte c;
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while (num_pixels--)
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if ((c=*src++)!=255)
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*dest++=gr_fade_table[((int)fade_value<<8)|(int)c];
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else dest++;
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}
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void gr_linear_rep_movsd_2x(ubyte * source, ubyte * dest, uint nbytes ) {
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register ubyte c;
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while (nbytes--) {
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if (nbytes&1)
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*dest++=*source++;
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else {
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unsigned short *sp=(unsigned short *)dest;
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c=*source++;
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*sp=((short)c<<8)|(short)c;
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dest+=2;
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}
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}
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}
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#endif
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#ifdef D1XD3D
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#include "d3dhelp.h"
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#endif
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void gr_ubitmap00( int x, int y, grs_bitmap *bm )
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{
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register int y1;
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int dest_rowsize;
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unsigned char * dest;
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unsigned char * src;
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dest_rowsize=grd_curcanv->cv_bitmap.bm_rowsize << gr_bitblt_dest_step_shift;
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dest = &(grd_curcanv->cv_bitmap.bm_data[ dest_rowsize*y+x ]);
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src = bm->bm_data;
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for (y1=0; y1 < bm->bm_h; y1++ ) {
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if (gr_bitblt_double)
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gr_linear_rep_movsd_2x( src, dest, bm->bm_w );
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else
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gr_linear_movsd( src, dest, bm->bm_w );
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src += bm->bm_rowsize;
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dest+= (int)(dest_rowsize);
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}
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}
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void gr_ubitmap00m( int x, int y, grs_bitmap *bm )
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{
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register int y1;
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int dest_rowsize;
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unsigned char * dest;
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unsigned char * src;
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dest_rowsize=grd_curcanv->cv_bitmap.bm_rowsize << gr_bitblt_dest_step_shift;
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dest = &(grd_curcanv->cv_bitmap.bm_data[ dest_rowsize*y+x ]);
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src = bm->bm_data;
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if (gr_bitblt_fade_table==NULL) {
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for (y1=0; y1 < bm->bm_h; y1++ ) {
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gr_linear_rep_movsdm( src, dest, bm->bm_w );
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src += bm->bm_rowsize;
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dest+= (int)(dest_rowsize);
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}
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} else {
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for (y1=0; y1 < bm->bm_h; y1++ ) {
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gr_linear_rep_movsdm_faded( src, dest, bm->bm_w, gr_bitblt_fade_table[y1+y] );
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src += bm->bm_rowsize;
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dest+= (int)(dest_rowsize);
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}
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}
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}
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//" jmp aligned4 "
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//" mov eax, edi "
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//" and eax, 11b "
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//" jz aligned4 "
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//" mov ebx, 4 "
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//" sub ebx, eax "
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//" sub ecx, ebx "
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//"alignstart: "
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//" mov al, [esi] "
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//" add esi, 4 "
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//" mov [edi], al "
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//" inc edi "
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//" dec ebx "
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//" jne alignstart "
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//"aligned4: "
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#ifdef __MSDOS__
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// From Linear to ModeX
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void gr_bm_ubitblt01(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
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{
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ubyte * dbits;
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ubyte * sbits;
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int sstep,dstep;
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int y,plane;
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int w1;
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if ( w < 4 ) return;
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sstep = src->bm_rowsize;
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dstep = dest->bm_rowsize << gr_bitblt_dest_step_shift;
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if (!gr_bitblt_double) {
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for (plane=0; plane<4; plane++ ) {
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gr_modex_setplane( (plane+dx)&3 );
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sbits = src->bm_data + (src->bm_rowsize * sy) + sx + plane;
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dbits = &gr_video_memory[(dest->bm_rowsize * dy) + ((plane+dx)/4) ];
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w1 = w >> 2;
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if ( (w&3) > plane ) w1++;
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for (y=dy; y < dy+h; y++ ) {
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modex_copy_scanline( sbits, dbits, w1 );
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dbits += dstep;
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sbits += sstep;
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}
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}
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} else {
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for (plane=0; plane<4; plane++ ) {
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gr_modex_setplane( (plane+dx)&3 );
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sbits = src->bm_data + (src->bm_rowsize * sy) + sx + plane/2;
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dbits = &gr_video_memory[(dest->bm_rowsize * dy) + ((plane+dx)/4) ];
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w1 = w >> 2;
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if ( (w&3) > plane ) w1++;
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for (y=dy; y < dy+h; y++ ) {
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modex_copy_scanline_2x( sbits, dbits, w1 );
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dbits += dstep;
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sbits += sstep;
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}
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}
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}
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}
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// From Linear to ModeX masked
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void gr_bm_ubitblt01m(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
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{
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//ubyte * dbits1;
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//ubyte * sbits1;
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ubyte * dbits;
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ubyte * sbits;
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int x;
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// int y;
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sbits = src->bm_data + (src->bm_rowsize * sy) + sx;
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dbits = &gr_video_memory[(dest->bm_rowsize * dy) + dx/4];
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for (x=dx; x < dx+w; x++ ) {
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gr_modex_setplane( x&3 );
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//sbits1 = sbits;
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//dbits1 = dbits;
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//for (y=0; y < h; y++ ) {
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// *dbits1 = *sbits1;
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// sbits1 += src_bm_rowsize;
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// dbits1 += dest_bm_rowsize;
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// }
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modex_copy_column_m(sbits, dbits, h, src->bm_rowsize, dest->bm_rowsize << gr_bitblt_dest_step_shift );
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sbits++;
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if ( (x&3)==3 )
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dbits++;
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}
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}
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#endif
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void gr_ubitmap012( int x, int y, grs_bitmap *bm )
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{
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register int x1, y1;
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unsigned char * src;
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src = bm->bm_data;
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for (y1=y; y1 < (y+bm->bm_h); y1++ ) {
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for (x1=x; x1 < (x+bm->bm_w); x1++ ) {
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gr_setcolor( *src++ );
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gr_upixel( x1, y1 );
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}
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}
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}
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void gr_ubitmap012m( int x, int y, grs_bitmap *bm )
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{
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register int x1, y1;
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unsigned char * src;
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src = bm->bm_data;
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for (y1=y; y1 < (y+bm->bm_h); y1++ ) {
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for (x1=x; x1 < (x+bm->bm_w); x1++ ) {
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if ( *src != 255 ) {
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gr_setcolor( *src );
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gr_upixel( x1, y1 );
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}
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src++;
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}
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}
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}
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void gr_ubitmapGENERIC(int x, int y, grs_bitmap * bm)
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{
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register int x1, y1;
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for (y1=0; y1 < bm->bm_h; y1++ ) {
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for (x1=0; x1 < bm->bm_w; x1++ ) {
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gr_setcolor( gr_gpixel(bm,x1,y1) );
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gr_upixel( x+x1, y+y1 );
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}
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}
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}
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void gr_ubitmapGENERICm(int x, int y, grs_bitmap * bm)
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{
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register int x1, y1;
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ubyte c;
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for (y1=0; y1 < bm->bm_h; y1++ ) {
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for (x1=0; x1 < bm->bm_w; x1++ ) {
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c = gr_gpixel(bm,x1,y1);
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if ( c != 255 ) {
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gr_setcolor( c );
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gr_upixel( x+x1, y+y1 );
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}
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}
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}
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}
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void gr_ubitmap( int x, int y, grs_bitmap *bm )
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{ int source, dest;
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source = bm->bm_type;
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dest = TYPE;
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if (source==BM_LINEAR) {
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switch( dest )
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{
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case BM_LINEAR:
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if ( bm->bm_flags & BM_FLAG_RLE )
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gr_bm_ubitblt00_rle(bm->bm_w, bm->bm_h, x, y, 0, 0, bm, &grd_curcanv->cv_bitmap );
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else
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gr_ubitmap00( x, y, bm );
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return;
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#ifdef OGL
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case BM_OGL:
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ogl_ubitmapm(x,y,bm);
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return;
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#endif
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#ifdef D1XD3D
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case BM_DIRECTX:
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Assert ((int)grd_curcanv->cv_bitmap.bm_data == BM_D3D_RENDER || (int)grd_curcanv->cv_bitmap.bm_data == BM_D3D_DISPLAY);
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Win32_BlitLinearToDirectX_bm(bm, 0, 0, bm->bm_w, bm->bm_h, x, y, 0);
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return;
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#endif
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#ifdef __MSDOS__
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case BM_SVGA:
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if ( bm->bm_flags & BM_FLAG_RLE )
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gr_bm_ubitblt0x_rle(bm->bm_w, bm->bm_h, x, y, 0, 0, bm, &grd_curcanv->cv_bitmap, 0 );
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else
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gr_bm_ubitblt02( bm->bm_w, bm->bm_h, x, y, 0, 0, bm, &grd_curcanv->cv_bitmap);
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return;
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case BM_MODEX:
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gr_bm_ubitblt01(bm->bm_w, bm->bm_h, x+XOFFSET, y+YOFFSET, 0, 0, bm, &grd_curcanv->cv_bitmap);
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return;
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#endif
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default:
|
|
gr_ubitmap012( x, y, bm );
|
|
return;
|
|
}
|
|
} else {
|
|
gr_ubitmapGENERIC(x, y, bm);
|
|
}
|
|
}
|
|
|
|
void gr_ubitmapm( int x, int y, grs_bitmap *bm )
|
|
{ int source, dest;
|
|
|
|
|
|
source = bm->bm_type;
|
|
dest = TYPE;
|
|
|
|
if (source==BM_LINEAR) {
|
|
switch( dest )
|
|
{
|
|
case BM_LINEAR:
|
|
if ( bm->bm_flags & BM_FLAG_RLE )
|
|
gr_bm_ubitblt00m_rle(bm->bm_w, bm->bm_h, x, y, 0, 0, bm, &grd_curcanv->cv_bitmap );
|
|
else
|
|
gr_ubitmap00m( x, y, bm );
|
|
return;
|
|
#ifdef OGL
|
|
case BM_OGL:
|
|
ogl_ubitmapm(x,y,bm);
|
|
return;
|
|
#endif
|
|
#ifdef D1XD3D
|
|
case BM_DIRECTX:
|
|
if (bm->bm_w < 35 && bm->bm_h < 35) {
|
|
// ugly hack needed for reticle
|
|
if ( bm->bm_flags & BM_FLAG_RLE )
|
|
gr_bm_ubitblt0x_rle(bm->bm_w, bm->bm_h, x, y, 0, 0, bm, &grd_curcanv->cv_bitmap, 1 );
|
|
else
|
|
gr_ubitmapGENERICm(x, y, bm);
|
|
return;
|
|
}
|
|
Assert ((int)grd_curcanv->cv_bitmap.bm_data == BM_D3D_RENDER || (int)grd_curcanv->cv_bitmap.bm_data == BM_D3D_DISPLAY);
|
|
Win32_BlitLinearToDirectX_bm(bm, 0, 0, bm->bm_w, bm->bm_h, x, y, 1);
|
|
return;
|
|
#endif
|
|
#ifdef __MSDOS__
|
|
case BM_SVGA:
|
|
gr_ubitmapGENERICm(x, y, bm);
|
|
return;
|
|
case BM_MODEX:
|
|
gr_bm_ubitblt01m(bm->bm_w, bm->bm_h, x+XOFFSET, y+YOFFSET, 0, 0, bm, &grd_curcanv->cv_bitmap);
|
|
return;
|
|
#endif
|
|
default:
|
|
gr_ubitmap012m( x, y, bm );
|
|
return;
|
|
}
|
|
} else {
|
|
gr_ubitmapGENERICm(x, y, bm);
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef __MSDOS__
|
|
// From linear to SVGA
|
|
void gr_bm_ubitblt02(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
unsigned char * sbits;
|
|
|
|
unsigned int offset, EndingOffset, VideoLocation;
|
|
|
|
int sbpr, dbpr, y1, page, BytesToMove;
|
|
|
|
sbpr = src->bm_rowsize;
|
|
|
|
dbpr = dest->bm_rowsize << gr_bitblt_dest_step_shift;
|
|
|
|
VideoLocation = (unsigned int)dest->bm_data + (dest->bm_rowsize * dy) + dx;
|
|
|
|
sbits = src->bm_data + ( sbpr*sy ) + sx;
|
|
|
|
for (y1=0; y1 < h; y1++ ) {
|
|
|
|
page = VideoLocation >> 16;
|
|
offset = VideoLocation & 0xFFFF;
|
|
|
|
gr_vesa_setpage( page );
|
|
|
|
EndingOffset = offset+w-1;
|
|
|
|
if ( EndingOffset <= 0xFFFF )
|
|
{
|
|
if ( gr_bitblt_double )
|
|
gr_linear_rep_movsd_2x( (void *)sbits, (void *)(offset+gr_video_memory), w );
|
|
else
|
|
gr_linear_movsd( (void *)sbits, (void *)(offset+gr_video_memory), w );
|
|
|
|
VideoLocation += dbpr;
|
|
sbits += sbpr;
|
|
}
|
|
else
|
|
{
|
|
BytesToMove = 0xFFFF-offset+1;
|
|
|
|
if ( gr_bitblt_double )
|
|
gr_linear_rep_movsd_2x( (void *)sbits, (void *)(offset+gr_video_memory), BytesToMove );
|
|
else
|
|
gr_linear_movsd( (void *)sbits, (void *)(offset+gr_video_memory), BytesToMove );
|
|
|
|
page++;
|
|
gr_vesa_setpage(page);
|
|
|
|
if ( gr_bitblt_double )
|
|
gr_linear_rep_movsd_2x( (void *)(sbits+BytesToMove/2), (void *)gr_video_memory, EndingOffset - 0xFFFF );
|
|
else
|
|
gr_linear_movsd( (void *)(sbits+BytesToMove), (void *)gr_video_memory, EndingOffset - 0xFFFF );
|
|
|
|
VideoLocation += dbpr;
|
|
sbits += sbpr;
|
|
}
|
|
}
|
|
}
|
|
|
|
// From SVGA to linear
|
|
void gr_bm_ubitblt20(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
unsigned char * dbits;
|
|
|
|
unsigned int offset, offset1, offset2;
|
|
|
|
int sbpr, dbpr, y1, page;
|
|
|
|
dbpr = dest->bm_rowsize;
|
|
|
|
sbpr = src->bm_rowsize;
|
|
|
|
for (y1=0; y1 < h; y1++ ) {
|
|
|
|
offset2 = (unsigned int)src->bm_data + (sbpr * (y1+sy)) + sx;
|
|
dbits = dest->bm_data + (dbpr * (y1+dy)) + dx;
|
|
|
|
page = offset2 >> 16;
|
|
offset = offset2 & 0xFFFF;
|
|
offset1 = offset+w-1;
|
|
gr_vesa_setpage( page );
|
|
|
|
if ( offset1 > 0xFFFF ) {
|
|
// Overlaps two pages
|
|
while( offset <= 0xFFFF )
|
|
*dbits++ = gr_video_memory[offset++];
|
|
offset1 -= (0xFFFF+1);
|
|
offset = 0;
|
|
page++;
|
|
gr_vesa_setpage(page);
|
|
}
|
|
while( offset <= offset1 )
|
|
*dbits++ = gr_video_memory[offset++];
|
|
|
|
}
|
|
}
|
|
#endif // __MSDOS__
|
|
//@extern int Interlacing_on;
|
|
|
|
// From Linear to Linear
|
|
void gr_bm_ubitblt00(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
unsigned char * dbits;
|
|
unsigned char * sbits;
|
|
//int src_bm_rowsize_2, dest_bm_rowsize_2;
|
|
int dstep;
|
|
|
|
int i;
|
|
|
|
sbits = src->bm_data + (src->bm_rowsize * sy) + sx;
|
|
dbits = dest->bm_data + (dest->bm_rowsize * dy) + dx;
|
|
|
|
dstep = dest->bm_rowsize << gr_bitblt_dest_step_shift;
|
|
|
|
// No interlacing, copy the whole buffer.
|
|
if (gr_bitblt_double)
|
|
for (i=0; i < h; i++ ) {
|
|
gr_linear_rep_movsd_2x( sbits, dbits, w );
|
|
sbits += src->bm_rowsize;
|
|
dbits += dstep;
|
|
}
|
|
else
|
|
for (i=0; i < h; i++ ) {
|
|
gr_linear_movsd( sbits, dbits, w );
|
|
//memcpy(dbits, sbits, w);
|
|
sbits += src->bm_rowsize;
|
|
dbits += dstep;
|
|
}
|
|
}
|
|
|
|
// From Linear to Linear Masked
|
|
void gr_bm_ubitblt00m(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
unsigned char * dbits;
|
|
unsigned char * sbits;
|
|
//int src_bm_rowsize_2, dest_bm_rowsize_2;
|
|
|
|
int i;
|
|
|
|
sbits = src->bm_data + (src->bm_rowsize * sy) + sx;
|
|
dbits = dest->bm_data + (dest->bm_rowsize * dy) + dx;
|
|
|
|
// No interlacing, copy the whole buffer.
|
|
|
|
if (gr_bitblt_fade_table==NULL) {
|
|
for (i=0; i < h; i++ ) {
|
|
gr_linear_rep_movsdm( sbits, dbits, w );
|
|
sbits += src->bm_rowsize;
|
|
dbits += dest->bm_rowsize;
|
|
}
|
|
} else {
|
|
for (i=0; i < h; i++ ) {
|
|
gr_linear_rep_movsdm_faded( sbits, dbits, w, gr_bitblt_fade_table[dy+i] );
|
|
sbits += src->bm_rowsize;
|
|
dbits += dest->bm_rowsize;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void gr_bm_bitblt(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
int dx1=dx, dx2=dx+dest->bm_w-1;
|
|
int dy1=dy, dy2=dy+dest->bm_h-1;
|
|
|
|
int sx1=sx, sx2=sx+src->bm_w-1;
|
|
int sy1=sy, sy2=sy+src->bm_h-1;
|
|
|
|
if ((dx1 >= dest->bm_w ) || (dx2 < 0)) return;
|
|
if ((dy1 >= dest->bm_h ) || (dy2 < 0)) return;
|
|
if ( dx1 < 0 ) { sx1 += -dx1; dx1 = 0; }
|
|
if ( dy1 < 0 ) { sy1 += -dy1; dy1 = 0; }
|
|
if ( dx2 >= dest->bm_w ) { dx2 = dest->bm_w-1; }
|
|
if ( dy2 >= dest->bm_h ) { dy2 = dest->bm_h-1; }
|
|
|
|
if ((sx1 >= src->bm_w ) || (sx2 < 0)) return;
|
|
if ((sy1 >= src->bm_h ) || (sy2 < 0)) return;
|
|
if ( sx1 < 0 ) { dx1 += -sx1; sx1 = 0; }
|
|
if ( sy1 < 0 ) { dy1 += -sy1; sy1 = 0; }
|
|
if ( sx2 >= src->bm_w ) { sx2 = src->bm_w-1; }
|
|
if ( sy2 >= src->bm_h ) { sy2 = src->bm_h-1; }
|
|
|
|
// Draw bitmap bm[x,y] into (dx1,dy1)-(dx2,dy2)
|
|
if ( dx2-dx1+1 < w )
|
|
w = dx2-dx1+1;
|
|
if ( dy2-dy1+1 < h )
|
|
h = dy2-dy1+1;
|
|
if ( sx2-sx1+1 < w )
|
|
w = sx2-sx1+1;
|
|
if ( sy2-sy1+1 < h )
|
|
h = sy2-sy1+1;
|
|
|
|
gr_bm_ubitblt(w,h, dx1, dy1, sx1, sy1, src, dest );
|
|
}
|
|
|
|
void gr_bm_ubitblt(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
register int x1, y1;
|
|
|
|
if ( (src->bm_type == BM_LINEAR) && (dest->bm_type == BM_LINEAR ))
|
|
{
|
|
if ( src->bm_flags & BM_FLAG_RLE )
|
|
gr_bm_ubitblt00_rle( w, h, dx, dy, sx, sy, src, dest );
|
|
else
|
|
gr_bm_ubitblt00( w, h, dx, dy, sx, sy, src, dest );
|
|
return;
|
|
}
|
|
|
|
#ifdef OGL
|
|
if ( (src->bm_type == BM_LINEAR) && (dest->bm_type == BM_OGL ))
|
|
{
|
|
ogl_ubitblt(w, h, dx, dy, sx, sy, src, dest);
|
|
return;
|
|
}
|
|
if ( (src->bm_type == BM_OGL) && (dest->bm_type == BM_LINEAR ))
|
|
{
|
|
ogl_ubitblt_tolinear(w, h, dx, dy, sx, sy, src, dest);
|
|
return;
|
|
}
|
|
if ( (src->bm_type == BM_OGL) && (dest->bm_type == BM_OGL ))
|
|
{
|
|
ogl_ubitblt_copy(w, h, dx, dy, sx, sy, src, dest);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
#ifdef D1XD3D
|
|
if ( (src->bm_type == BM_LINEAR) && (dest->bm_type == BM_DIRECTX ))
|
|
{
|
|
Assert ((int)dest->bm_data == BM_D3D_RENDER || (int)dest->bm_data == BM_D3D_DISPLAY);
|
|
Win32_BlitLinearToDirectX_bm (src, sx, sy, w, h, dx, dy, 0);
|
|
return;
|
|
}
|
|
if ( (src->bm_type == BM_DIRECTX) && (dest->bm_type == BM_LINEAR ))
|
|
{
|
|
return;
|
|
}
|
|
if ( (src->bm_type == BM_DIRECTX) && (dest->bm_type == BM_DIRECTX ))
|
|
{
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if ( (src->bm_flags & BM_FLAG_RLE ) && (src->bm_type == BM_LINEAR) ) {
|
|
gr_bm_ubitblt0x_rle(w, h, dx, dy, sx, sy, src, dest, 0 );
|
|
return;
|
|
}
|
|
#ifdef __MSDOS__
|
|
if ( (src->bm_type == BM_LINEAR) && (dest->bm_type == BM_SVGA ))
|
|
{
|
|
gr_bm_ubitblt02( w, h, dx, dy, sx, sy, src, dest );
|
|
return;
|
|
}
|
|
|
|
if ( (src->bm_type == BM_SVGA) && (dest->bm_type == BM_LINEAR ))
|
|
{
|
|
gr_bm_ubitblt20( w, h, dx, dy, sx, sy, src, dest );
|
|
return;
|
|
}
|
|
|
|
if ( (src->bm_type == BM_LINEAR) && (dest->bm_type == BM_MODEX ))
|
|
{
|
|
gr_bm_ubitblt01( w, h, dx+XOFFSET, dy+YOFFSET, sx, sy, src, dest );
|
|
return;
|
|
}
|
|
#endif
|
|
for (y1=0; y1 < h; y1++ ) {
|
|
for (x1=0; x1 < w; x1++ ) {
|
|
gr_bm_pixel( dest, dx+x1, dy+y1, gr_gpixel(src,sx+x1,sy+y1) );
|
|
}
|
|
}
|
|
}
|
|
|
|
// Clipped bitmap ...
|
|
|
|
void gr_bitmap( int x, int y, grs_bitmap *bm )
|
|
{
|
|
int dx1=x, dx2=x+bm->bm_w-1;
|
|
int dy1=y, dy2=y+bm->bm_h-1;
|
|
int sx=0, sy=0;
|
|
|
|
if ((dx1 >= grd_curcanv->cv_bitmap.bm_w ) || (dx2 < 0)) return;
|
|
if ((dy1 >= grd_curcanv->cv_bitmap.bm_h) || (dy2 < 0)) return;
|
|
if ( dx1 < 0 ) { sx = -dx1; dx1 = 0; }
|
|
if ( dy1 < 0 ) { sy = -dy1; dy1 = 0; }
|
|
if ( dx2 >= grd_curcanv->cv_bitmap.bm_w ) { dx2 = grd_curcanv->cv_bitmap.bm_w-1; }
|
|
if ( dy2 >= grd_curcanv->cv_bitmap.bm_h ) { dy2 = grd_curcanv->cv_bitmap.bm_h-1; }
|
|
|
|
// Draw bitmap bm[x,y] into (dx1,dy1)-(dx2,dy2)
|
|
|
|
gr_bm_ubitblt(dx2-dx1+1,dy2-dy1+1, dx1, dy1, sx, sy, bm, &grd_curcanv->cv_bitmap );
|
|
|
|
}
|
|
|
|
void gr_bitmapm( int x, int y, grs_bitmap *bm )
|
|
{
|
|
int dx1=x, dx2=x+bm->bm_w-1;
|
|
int dy1=y, dy2=y+bm->bm_h-1;
|
|
int sx=0, sy=0;
|
|
|
|
if ((dx1 >= grd_curcanv->cv_bitmap.bm_w ) || (dx2 < 0)) return;
|
|
if ((dy1 >= grd_curcanv->cv_bitmap.bm_h) || (dy2 < 0)) return;
|
|
if ( dx1 < 0 ) { sx = -dx1; dx1 = 0; }
|
|
if ( dy1 < 0 ) { sy = -dy1; dy1 = 0; }
|
|
if ( dx2 >= grd_curcanv->cv_bitmap.bm_w ) { dx2 = grd_curcanv->cv_bitmap.bm_w-1; }
|
|
if ( dy2 >= grd_curcanv->cv_bitmap.bm_h ) { dy2 = grd_curcanv->cv_bitmap.bm_h-1; }
|
|
|
|
// Draw bitmap bm[x,y] into (dx1,dy1)-(dx2,dy2)
|
|
|
|
if ( (bm->bm_type == BM_LINEAR) && (grd_curcanv->cv_bitmap.bm_type == BM_LINEAR ))
|
|
{
|
|
if ( bm->bm_flags & BM_FLAG_RLE )
|
|
gr_bm_ubitblt00m_rle(dx2-dx1+1,dy2-dy1+1, dx1, dy1, sx, sy, bm, &grd_curcanv->cv_bitmap );
|
|
else
|
|
gr_bm_ubitblt00m(dx2-dx1+1,dy2-dy1+1, dx1, dy1, sx, sy, bm, &grd_curcanv->cv_bitmap );
|
|
return;
|
|
}
|
|
|
|
gr_bm_ubitbltm(dx2-dx1+1,dy2-dy1+1, dx1, dy1, sx, sy, bm, &grd_curcanv->cv_bitmap );
|
|
|
|
}
|
|
|
|
void gr_bm_ubitbltm(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
register int x1, y1;
|
|
ubyte c;
|
|
|
|
#ifdef OGL
|
|
if ( (src->bm_type == BM_LINEAR) && (dest->bm_type == BM_OGL ))
|
|
{
|
|
ogl_ubitblt(w, h, dx, dy, sx, sy, src, dest);
|
|
return;
|
|
}
|
|
if ( (src->bm_type == BM_OGL) && (dest->bm_type == BM_LINEAR ))
|
|
{
|
|
ogl_ubitblt_tolinear(w, h, dx, dy, sx, sy, src, dest);
|
|
return;
|
|
}
|
|
if ( (src->bm_type == BM_OGL) && (dest->bm_type == BM_OGL ))
|
|
{
|
|
ogl_ubitblt_copy(w, h, dx, dy, sx, sy, src, dest);
|
|
return;
|
|
}
|
|
#endif
|
|
#ifdef D1XD3D
|
|
if ( (src->bm_type == BM_LINEAR) && (dest->bm_type == BM_DIRECTX ))
|
|
{
|
|
Assert ((int)dest->bm_data == BM_D3D_RENDER || (int)dest->bm_data == BM_D3D_DISPLAY);
|
|
Win32_BlitLinearToDirectX_bm (src, sx, sy, w, h, dx, dy, 1);
|
|
return;
|
|
}
|
|
if ( (src->bm_type == BM_DIRECTX) && (dest->bm_type == BM_DIRECTX ))
|
|
{
|
|
Assert ((int)src->bm_data == BM_D3D_RENDER || (int)src->bm_data == BM_D3D_DISPLAY);
|
|
// Win32_BlitDirectXToDirectX (w, h, dx, dy, sx, sy, src->bm_data, dest->bm_data, 0);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
|
|
for (y1=0; y1 < h; y1++ ) {
|
|
for (x1=0; x1 < w; x1++ ) {
|
|
if ((c=gr_gpixel(src,sx+x1,sy+y1))!=255)
|
|
gr_bm_pixel( dest, dx+x1, dy+y1,c );
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
//-NOT-used // From linear to SVGA
|
|
//-NOT-used void gr_bm_ubitblt02_2x(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
//-NOT-used {
|
|
//-NOT-used unsigned char * sbits;
|
|
//-NOT-used
|
|
//-NOT-used unsigned int offset, EndingOffset, VideoLocation;
|
|
//-NOT-used
|
|
//-NOT-used int sbpr, dbpr, y1, page, BytesToMove;
|
|
//-NOT-used
|
|
//-NOT-used sbpr = src->bm_rowsize;
|
|
//-NOT-used
|
|
//-NOT-used dbpr = dest->bm_rowsize << gr_bitblt_dest_step_shift;
|
|
//-NOT-used
|
|
//-NOT-used VideoLocation = (unsigned int)dest->bm_data + (dest->bm_rowsize * dy) + dx;
|
|
//-NOT-used
|
|
//-NOT-used sbits = src->bm_data + ( sbpr*sy ) + sx;
|
|
//-NOT-used
|
|
//-NOT-used for (y1=0; y1 < h; y1++ ) {
|
|
//-NOT-used
|
|
//-NOT-used page = VideoLocation >> 16;
|
|
//-NOT-used offset = VideoLocation & 0xFFFF;
|
|
//-NOT-used
|
|
//-NOT-used gr_vesa_setpage( page );
|
|
//-NOT-used
|
|
//-NOT-used EndingOffset = offset+w-1;
|
|
//-NOT-used
|
|
//-NOT-used if ( EndingOffset <= 0xFFFF )
|
|
//-NOT-used {
|
|
//-NOT-used gr_linear_rep_movsd_2x( (void *)sbits, (void *)(offset+gr_video_memory), w );
|
|
//-NOT-used
|
|
//-NOT-used VideoLocation += dbpr;
|
|
//-NOT-used sbits += sbpr;
|
|
//-NOT-used }
|
|
//-NOT-used else
|
|
//-NOT-used {
|
|
//-NOT-used BytesToMove = 0xFFFF-offset+1;
|
|
//-NOT-used
|
|
//-NOT-used gr_linear_rep_movsd_2x( (void *)sbits, (void *)(offset+gr_video_memory), BytesToMove );
|
|
//-NOT-used
|
|
//-NOT-used page++;
|
|
//-NOT-used gr_vesa_setpage(page);
|
|
//-NOT-used
|
|
//-NOT-used gr_linear_rep_movsd_2x( (void *)(sbits+BytesToMove/2), (void *)gr_video_memory, EndingOffset - 0xFFFF );
|
|
//-NOT-used
|
|
//-NOT-used VideoLocation += dbpr;
|
|
//-NOT-used sbits += sbpr;
|
|
//-NOT-used }
|
|
//-NOT-used
|
|
//-NOT-used
|
|
//-NOT-used }
|
|
//-NOT-used }
|
|
|
|
|
|
//-NOT-used // From Linear to Linear
|
|
//-NOT-used void gr_bm_ubitblt00_2x(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
//-NOT-used {
|
|
//-NOT-used unsigned char * dbits;
|
|
//-NOT-used unsigned char * sbits;
|
|
//-NOT-used //int src_bm_rowsize_2, dest_bm_rowsize_2;
|
|
//-NOT-used
|
|
//-NOT-used int i;
|
|
//-NOT-used
|
|
//-NOT-used sbits = src->bm_data + (src->bm_rowsize * sy) + sx;
|
|
//-NOT-used dbits = dest->bm_data + (dest->bm_rowsize * dy) + dx;
|
|
//-NOT-used
|
|
//-NOT-used // No interlacing, copy the whole buffer.
|
|
//-NOT-used for (i=0; i < h; i++ ) {
|
|
//-NOT-used gr_linear_rep_movsd_2x( sbits, dbits, w );
|
|
//-NOT-used
|
|
//-NOT-used sbits += src->bm_rowsize;
|
|
//-NOT-used dbits += dest->bm_rowsize << gr_bitblt_dest_step_shift;
|
|
//-NOT-used }
|
|
//-NOT-used }
|
|
|
|
void gr_bm_ubitblt00_rle(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
unsigned char * dbits;
|
|
unsigned char * sbits;
|
|
|
|
int i;
|
|
|
|
sbits = &src->bm_data[4 + src->bm_h];
|
|
for (i=0; i<sy; i++ )
|
|
sbits += (int)src->bm_data[4+i];
|
|
|
|
dbits = dest->bm_data + (dest->bm_rowsize * dy) + dx;
|
|
|
|
// No interlacing, copy the whole buffer.
|
|
for (i=0; i < h; i++ ) {
|
|
gr_rle_expand_scanline( dbits, sbits, sx, sx+w-1 );
|
|
sbits += (int)src->bm_data[4+i+sy];
|
|
dbits += dest->bm_rowsize << gr_bitblt_dest_step_shift;
|
|
}
|
|
}
|
|
|
|
void gr_bm_ubitblt00m_rle(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
unsigned char * dbits;
|
|
unsigned char * sbits;
|
|
|
|
int i;
|
|
|
|
sbits = &src->bm_data[4 + src->bm_h];
|
|
for (i=0; i<sy; i++ )
|
|
sbits += (int)src->bm_data[4+i];
|
|
|
|
dbits = dest->bm_data + (dest->bm_rowsize * dy) + dx;
|
|
|
|
// No interlacing, copy the whole buffer.
|
|
for (i=0; i < h; i++ ) {
|
|
gr_rle_expand_scanline_masked( dbits, sbits, sx, sx+w-1 );
|
|
sbits += (int)src->bm_data[4+i+sy];
|
|
dbits += dest->bm_rowsize << gr_bitblt_dest_step_shift;
|
|
}
|
|
}
|
|
|
|
// in rle.c
|
|
|
|
extern void gr_rle_expand_scanline_generic( grs_bitmap * dest, int dx, int dy, ubyte *src,
|
|
int x1, int x2, int masked );
|
|
|
|
|
|
void gr_bm_ubitblt0x_rle(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src,
|
|
grs_bitmap * dest, int masked )
|
|
{
|
|
int i;
|
|
register int y1;
|
|
unsigned char * sbits;
|
|
|
|
//mprintf( 0, "SVGA RLE!\n" );
|
|
|
|
sbits = &src->bm_data[4 + src->bm_h];
|
|
for (i=0; i<sy; i++ )
|
|
sbits += (int)src->bm_data[4+i];
|
|
|
|
for (y1=0; y1 < h; y1++ ) {
|
|
gr_rle_expand_scanline_generic( dest, dx, dy+y1, sbits, sx, sx+w-1,
|
|
masked );
|
|
sbits += (int)src->bm_data[4+y1+sy];
|
|
}
|
|
}
|
|
|
|
// rescalling bitmaps, 10/14/99 Jan Bobrowski jb@wizard.ae.krakow.pl
|
|
|
|
inline void scale_line(unsigned char *in, unsigned char *out, int ilen, int olen)
|
|
{
|
|
int a = olen/ilen, b = olen%ilen;
|
|
int c = 0, i;
|
|
sbyte *end = out + olen;
|
|
while(out<end) {
|
|
i = a;
|
|
c += b;
|
|
if(c >= ilen) {
|
|
c -= ilen;
|
|
goto inside;
|
|
}
|
|
while(--i>=0) {
|
|
inside:
|
|
*out++ = *in;
|
|
}
|
|
in++;
|
|
}
|
|
}
|
|
|
|
void gr_bitmap_scale_to(grs_bitmap *src, grs_bitmap *dst)
|
|
{
|
|
unsigned char *s = src->bm_data;
|
|
unsigned char *d = dst->bm_data;
|
|
int h = src->bm_h;
|
|
int a = dst->bm_h/h, b = dst->bm_h%h;
|
|
int c = 0, i, y;
|
|
|
|
for(y=0; y<h; y++) {
|
|
i = a;
|
|
c += b;
|
|
if(c >= h) {
|
|
c -= h;
|
|
goto inside;
|
|
}
|
|
while(--i>=0) {
|
|
inside:
|
|
scale_line(s, d, src->bm_w, dst->bm_w);
|
|
d += dst->bm_rowsize;
|
|
}
|
|
s += src->bm_rowsize;
|
|
}
|
|
}
|
|
|
|
void show_fullscr(grs_bitmap *bm)
|
|
{
|
|
grs_bitmap * const scr = &grd_curcanv->cv_bitmap;
|
|
|
|
#ifdef OGL
|
|
if(bm->bm_type == BM_LINEAR && scr->bm_type == BM_OGL &&
|
|
bm->bm_w <= grd_curscreen->sc_w && bm->bm_h <= grd_curscreen->sc_h) // only scale with OGL if bitmap is not bigger than screen size
|
|
{
|
|
ogl_ubitblt_i(scr->bm_w,scr->bm_h,0,0,bm->bm_w,bm->bm_h,0,0,bm,scr,0);//use opengl to scale, faster and saves ram. -MPM
|
|
return;
|
|
}
|
|
#endif
|
|
if(scr->bm_type != BM_LINEAR) {
|
|
grs_bitmap *tmp = gr_create_bitmap(scr->bm_w, scr->bm_h);
|
|
gr_bitmap_scale_to(bm, tmp);
|
|
gr_bitmap(0, 0, tmp);
|
|
gr_free_bitmap(tmp);
|
|
return;
|
|
}
|
|
gr_bitmap_scale_to(bm, scr);
|
|
}
|