2179 lines
55 KiB
C
2179 lines
55 KiB
C
/* $Id: bitblt.c,v 1.10 2002-09-07 07:15:50 btb Exp $ */
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/*
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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 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Routines for bitblt's.
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*
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* Old Log:
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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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#ifdef HAVE_CONFIG_H
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#include <conf.h>
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#endif
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#include "pa_enabl.h" //$$POLY_ACC
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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 "byteswap.h" // because of rle code that has short for row offsets
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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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#if defined(POLY_ACC)
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#include "poly_acc.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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extern void gr_vesa_bitmap( grs_bitmap * source, grs_bitmap * dest, int x, int y );
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void gr_linear_movsd( ubyte * source, ubyte * dest, unsigned int nbytes);
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// This code aligns edi so that the destination is aligned to a dword boundry before rep movsd
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#if !defined(NO_ASM) && defined(__WATCOMC__)
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#pragma aux gr_linear_movsd parm [esi] [edi] [ecx] modify exact [ecx esi edi eax ebx] = \
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" cld " \
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" mov ebx, ecx " \
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" mov eax, edi" \
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" and eax, 011b" \
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" jz d_aligned" \
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" mov ecx, 4" \
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" sub ecx, eax" \
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" sub ebx, ecx" \
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" rep movsb" \
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" d_aligned: " \
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" mov ecx, ebx" \
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" shr ecx, 2" \
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" rep movsd" \
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" mov ecx, ebx" \
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" and ecx, 11b" \
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" rep movsb";
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#elif !defined(NO_ASM) && defined(__GNUC__)
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inline void gr_linear_movsd(ubyte *src, ubyte *dest, unsigned int num_pixels) {
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int dummy[3];
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__asm__ __volatile__ (
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" cld;"
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" movl %%ecx, %%ebx;"
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" movl %%edi, %%eax;"
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" andl $3, %%eax;"
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" jz 0f;"
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" movl $4, %%ecx;"
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" subl %%eax,%%ecx;"
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" subl %%ecx,%%ebx;"
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" rep; movsb;"
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"0: ;"
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" movl %%ebx, %%ecx;"
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" shrl $2, %%ecx;"
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" rep; movsl;"
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" movl %%ebx, %%ecx;"
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" andl $3, %%ecx;"
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" rep; movsb"
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: "=S" (dummy[0]), "=D" (dummy[1]), "=c" (dummy[2])
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: "0" (src), "1" (dest), "2" (num_pixels)
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: "%eax", "%ebx");
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}
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#elif !defined(NO_ASM) && defined(_MSC_VER)
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__inline void gr_linear_movsd(ubyte *src, ubyte *dest, unsigned int num_pixels)
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{
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__asm {
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mov esi, [src]
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mov edi, [dest]
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mov ecx, [num_pixels]
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cld
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mov ebx, ecx
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mov eax, edi
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and eax, 011b
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jz d_aligned
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mov ecx, 4
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sub ecx, eax
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sub ebx, ecx
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rep movsb
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d_aligned:
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mov ecx, ebx
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shr ecx, 2
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rep movsd
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mov ecx, ebx
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and ecx, 11b
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rep movsb
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}
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}
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#else // NO_ASM or unknown compiler
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#define THRESHOLD 8
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#ifdef RELEASE
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#define test_byteblit 0
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#else
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ubyte test_byteblit = 0;
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#endif
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void gr_linear_movsd(ubyte * src, ubyte * dest, unsigned int num_pixels )
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{
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int i;
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uint n, r;
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double *d, *s;
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ubyte *d1, *s1;
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// check to see if we are starting on an even byte boundry
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// if not, move appropriate number of bytes to even
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// 8 byte boundry
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if ( (num_pixels < THRESHOLD) || (((int)src & 0x7) != ((int)dest & 0x7)) || test_byteblit ) {
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for (i = 0; i < num_pixels; i++)
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*dest++ = *src++;
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return;
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}
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i = 0;
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if ((r = (int)src & 0x7)) {
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for (i = 0; i < 8 - r; i++)
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*dest++ = *src++;
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}
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num_pixels -= i;
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n = num_pixels / 8;
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r = num_pixels % 8;
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s = (double *)src;
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d = (double *)dest;
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for (i = 0; i < n; i++)
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*d++ = *s++;
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s1 = (ubyte *)s;
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d1 = (ubyte *)d;
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for (i = 0; i < r; i++)
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*d1++ = *s1++;
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}
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#endif //#ifdef NO_ASM
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static void gr_linear_rep_movsdm(ubyte * src, ubyte * dest, unsigned int num_pixels );
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#if !defined(NO_ASM) && defined(__WATCOMC__)
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#pragma aux gr_linear_rep_movsdm parm [esi] [edi] [ecx] modify exact [ecx esi edi eax] = \
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"nextpixel:" \
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"mov al,[esi]" \
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"inc esi" \
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"cmp al, " TRANSPARENCY_COLOR_STR \
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"je skip_it" \
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"mov [edi], al" \
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"skip_it:" \
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"inc edi" \
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"dec ecx" \
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"jne nextpixel";
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#elif !defined(NO_ASM) && defined(__GNUC__)
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static inline void gr_linear_rep_movsdm(ubyte * src, ubyte * dest, unsigned int num_pixels ) {
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int dummy[3];
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__asm__ __volatile__ (
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"0: ;"
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" movb (%%esi), %%al;"
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" incl %%esi;"
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" cmpb $" TRANSPARENCY_COLOR_STR ", %%al;"
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" je 1f;"
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" movb %%al,(%%edi);"
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"1: ;"
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" incl %%edi;"
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" decl %%ecx;"
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" jne 0b"
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: "=S" (dummy[0]), "=D" (dummy[1]), "=c" (dummy[2])
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: "0" (src), "1" (dest), "2" (num_pixels)
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: "%eax");
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}
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#elif !defined(NO_ASM) && defined(_MSC_VER)
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__inline void gr_linear_rep_movsdm(ubyte * src, ubyte * dest, unsigned int num_pixels )
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{
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__asm {
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nextpixel:
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mov esi, [src]
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mov edi, [dest]
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mov ecx, [num_pixels]
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mov al, [esi]
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inc esi
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cmp al, TRANSPARENCY_COLOR
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je skip_it
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mov [edi], al
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skip_it:
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inc edi
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dec ecx
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jne nextpixel
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}
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}
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#else
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static void gr_linear_rep_movsdm(ubyte * src, ubyte * dest, unsigned int num_pixels )
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{
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int i;
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for (i=0; i<num_pixels; i++ ) {
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if (*src != TRANSPARENCY_COLOR )
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*dest = *src;
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dest++;
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src++;
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}
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}
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#endif
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static void gr_linear_rep_movsdm_faded(ubyte * src, ubyte * dest, unsigned int num_pixels, ubyte fade_value );
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#if !defined(NO_ASM) && defined(__WATCOMC__)
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#pragma aux gr_linear_rep_movsdm_faded parm [esi] [edi] [ecx] [ebx] modify exact [ecx esi edi eax ebx] = \
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" xor eax, eax" \
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" mov ah, bl" \
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"nextpixel:" \
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"mov al,[esi]" \
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"inc esi" \
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"cmp al, " TRANSPARENCY_COLOR_STR \
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"je skip_it" \
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"mov al, gr_fade_table[eax]" \
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"mov [edi], al" \
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"skip_it:" \
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"inc edi" \
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"dec ecx" \
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"jne nextpixel";
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#elif !defined(NO_ASM) && defined(__GNUC__)
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/* #pragma aux gr_linear_rep_movsdm_faded parm [esi] [edi] [ecx] [ebx] modify exact [ecx esi edi eax ebx] */
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static inline void gr_linear_rep_movsdm_faded(ubyte * src, ubyte * dest, unsigned int num_pixels, ubyte fade_value ) {
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int dummy[4];
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__asm__ __volatile__ (
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" xorl %%eax, %%eax;"
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" movb %%bl, %%ah;"
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"0:;"
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" movb (%%esi), %%al;"
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" incl %%esi;"
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" cmpb $" TRANSPARENCY_COLOR_STR ", %%al;"
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" je 1f;"
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#ifdef __linux__
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" movb gr_fade_table(%%eax), %%al;"
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#else
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" movb _gr_fade_table(%%eax), %%al;"
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#endif
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" movb %%al, (%%edi);"
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"1:"
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" incl %%edi;"
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" decl %%ecx;"
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" jne 0b"
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: "=S" (dummy[0]), "=D" (dummy[1]), "=c" (dummy[2]), "=b" (dummy[3])
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: "0" (src), "1" (dest), "2" (num_pixels), "3" (fade_value)
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: "%eax");
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}
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#elif !defined(NO_ASM) && defined(_MSC_VER)
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__inline void gr_linear_rep_movsdm_faded(void * src, void * dest, unsigned int num_pixels, ubyte fade_value )
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{
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__asm {
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mov esi, [src]
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mov edi, [dest]
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mov ecx, [num_pixels]
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movzx ebx, byte ptr [fade_value]
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xor eax, eax
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mov ah, bl
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nextpixel:
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mov al, [esi]
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inc esi
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cmp al, TRANSPARENCY_COLOR
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je skip_it
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mov al, gr_fade_table[eax]
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mov [edi], al
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skip_it:
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inc edi
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dec ecx
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jne nextpixel
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}
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}
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#else
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static void gr_linear_rep_movsdm_faded(ubyte * src, ubyte * dest, unsigned int num_pixels, ubyte fade_value )
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{
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int i;
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ubyte source;
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ubyte *fade_base;
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fade_base = gr_fade_table + (fade_value * 256);
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for (i=num_pixels; i != 0; i-- )
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{
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source = *src;
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if (source != (ubyte)TRANSPARENCY_COLOR )
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*dest = *(fade_base + source);
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dest++;
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src++;
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}
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}
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#endif
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static void gr_linear_rep_movsd_2x(ubyte * src, ubyte * dest, unsigned int num_dest_pixels );
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#if !defined(NO_ASM) && defined(__WATCOMC__)
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#pragma aux gr_linear_rep_movsd_2x parm [esi] [edi] [ecx] modify exact [ecx esi edi eax ebx] = \
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"shr ecx, 1" \
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"jnc nextpixel" \
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"mov al, [esi]" \
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"mov [edi], al" \
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"inc esi" \
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"inc edi" \
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"cmp ecx, 0" \
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"je done" \
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"nextpixel:" \
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"mov al,[esi]" \
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"mov ah, al" \
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"mov [edi], ax" \
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"inc esi" \
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"inc edi" \
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"inc edi" \
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"dec ecx" \
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"jne nextpixel" \
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"done:"
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#elif !defined(NO_ASM) && defined (__GNUC__)
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static inline void gr_linear_rep_movsd_2x(ubyte * src, ubyte * dest, unsigned int num_dest_pixels ) {
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/* #pragma aux gr_linear_rep_movsd_2x parm [esi] [edi] [ecx] modify exact [ecx esi edi eax ebx] */
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int dummy[3];
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|
__asm__ __volatile__ (
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|
"shrl $1, %%ecx;"
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|
"jnc 0f;"
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|
"movb (%%esi), %%al;"
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"movb %%al, (%%edi);"
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|
"incl %%esi;"
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|
"incl %%edi;"
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"cmpl $0, %%ecx;"
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|
"je 1f;"
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"0: ;"
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"movb (%%esi), %%al;"
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"movb %%al, %%ah;"
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"movw %%ax, (%%edi);"
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|
"incl %%esi;"
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"incl %%edi;"
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|
"incl %%edi;"
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|
"decl %%ecx;"
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|
"jne 0b;"
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|
"1:"
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: "=S" (dummy[0]), "=D" (dummy[1]), "=c" (dummy[2])
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: "0" (src), "1" (dest), "2" (num_dest_pixels)
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: "%eax");
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}
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#elif !defined(NO_ASM) && defined(_MSC_VER)
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|
__inline void gr_linear_rep_movsd_2x(ubyte * src, ubyte * dest, unsigned int num_dest_pixels )
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|
{
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|
__asm {
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|
mov esi, [src]
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mov edi, [dest]
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|
mov ecx, [num_dest_pixels]
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|
shr ecx, 1
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|
jnc nextpixel
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|
mov al, [esi]
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mov [edi], al
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inc esi
|
|
inc edi
|
|
cmp ecx, 0
|
|
je done
|
|
nextpixel:
|
|
mov al, [esi]
|
|
mov ah, al
|
|
mov [edi], ax
|
|
inc esi
|
|
inc edi
|
|
inc edi
|
|
dec ecx
|
|
jne nextpixel
|
|
done:
|
|
}
|
|
}
|
|
|
|
#else
|
|
|
|
static void gr_linear_rep_movsd_2x(ubyte *src, ubyte *dest, unsigned int num_pixels)
|
|
{
|
|
double *d = (double *)dest;
|
|
uint *s = (uint *)src;
|
|
uint doubletemp[2];
|
|
uint temp, work;
|
|
int i;
|
|
|
|
if (num_pixels & 0x3) {
|
|
// not a multiple of 4? do single pixel at a time
|
|
for (i=0; i<num_pixels; i++) {
|
|
*dest++ = *src;
|
|
*dest++ = *src++;
|
|
}
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < num_pixels / 4; i++) {
|
|
temp = work = *s++;
|
|
|
|
temp = ((temp >> 8) & 0x00FFFF00) | (temp & 0xFF0000FF); // 0xABCDEFGH -> 0xABABCDEF
|
|
temp = ((temp >> 8) & 0x000000FF) | (temp & 0xFFFFFF00); // 0xABABCDEF -> 0xABABCDCD
|
|
doubletemp[0] = temp;
|
|
|
|
work = ((work << 8) & 0x00FFFF00) | (work & 0xFF0000FF); // 0xABCDEFGH -> 0xABEFGHGH
|
|
work = ((work << 8) & 0xFF000000) | (work & 0x00FFFFFF); // 0xABEFGHGH -> 0xEFEFGHGH
|
|
doubletemp[1] = work;
|
|
|
|
*d = *(double *) &(doubletemp[0]);
|
|
d++;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
#ifdef __MSDOS__
|
|
|
|
static void modex_copy_column(ubyte * src, ubyte * dest, int num_pixels, int src_rowsize, int dest_rowsize );
|
|
|
|
#if !defined(NO_ASM) && defined(__WATCOMC__)
|
|
|
|
#pragma aux modex_copy_column parm [esi] [edi] [ecx] [ebx] [edx] modify exact [ecx esi edi] = \
|
|
"nextpixel:" \
|
|
"mov al,[esi]" \
|
|
"add esi, ebx" \
|
|
"mov [edi], al" \
|
|
"add edi, edx" \
|
|
"dec ecx" \
|
|
"jne nextpixel"
|
|
|
|
#elif !defined(NO_ASM) && defined(__GNUC__)
|
|
|
|
static inline void modex_copy_column(ubyte * src, ubyte * dest, int num_pixels, int src_rowsize, int dest_rowsize ) {
|
|
/*#pragma aux modex_copy_column parm [esi] [edi] [ecx] [ebx] [edx] modify exact [ecx esi edi] = */
|
|
__asm__ __volatile__ (
|
|
"0: ;"
|
|
"movb (%%esi), %%al;"
|
|
"addl %%ebx, %%esi;"
|
|
"movb %%al, (%%edi);"
|
|
"addl %%edx, %%edi;"
|
|
"decl %%ecx;"
|
|
"jne 0b"
|
|
: : "S" (src), "D" (dest), "c" (num_pixels), "b" (src_rowsize), "d" (dest_rowsize)
|
|
: "%eax", "%ecx", "%esi", "%edi");
|
|
}
|
|
|
|
#else
|
|
|
|
static void modex_copy_column(ubyte * src, ubyte * dest, int num_pixels, int src_rowsize, int dest_rowsize )
|
|
{
|
|
src = src;
|
|
dest = dest;
|
|
num_pixels = num_pixels;
|
|
src_rowsize = src_rowsize;
|
|
dest_rowsize = dest_rowsize;
|
|
Int3();
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
static void modex_copy_column_m(ubyte * src, ubyte * dest, int num_pixels, int src_rowsize, int dest_rowsize );
|
|
|
|
#if !defined(NO_ASM) && defined(__WATCOMC__)
|
|
|
|
#pragma aux modex_copy_column_m parm [esi] [edi] [ecx] [ebx] [edx] modify exact [ecx esi edi] = \
|
|
"nextpixel:" \
|
|
"mov al,[esi]" \
|
|
"add esi, ebx" \
|
|
"cmp al, " TRANSPARENCY_COLOR_STR \
|
|
"je skip_itx" \
|
|
"mov [edi], al" \
|
|
"skip_itx:" \
|
|
"add edi, edx" \
|
|
"dec ecx" \
|
|
"jne nextpixel"
|
|
|
|
#elif !defined(NO_ASM) && defined(__GNUC__)
|
|
|
|
static inline void modex_copy_column_m(ubyte * src, ubyte * dest, int num_pixels, int src_rowsize, int dest_rowsize ) {
|
|
/* #pragma aux modex_copy_column_m parm [esi] [edi] [ecx] [ebx] [edx] modify exact [ecx esi edi] = */
|
|
int dummy[3];
|
|
__asm__ __volatile__ (
|
|
"0: ;"
|
|
"movb (%%esi), %%al;"
|
|
"addl %%ebx, %%esi;"
|
|
"cmpb $" TRANSPARENCY_COLOR_STR ", %%al;"
|
|
"je 1f;"
|
|
"movb %%al, (%%edi);"
|
|
"1: ;"
|
|
"addl %%edx, %%edi;"
|
|
"decl %%ecx;"
|
|
"jne 0b"
|
|
: "=c" (dummy[0]), "=S" (dummy[1]), "=D" (dummy[2])
|
|
: "1" (src), "2" (dest), "0" (num_pixels), "b" (src_rowsize), "d" (dest_rowsize)
|
|
: "%eax" );
|
|
}
|
|
|
|
#else
|
|
|
|
static void modex_copy_column_m(ubyte * src, ubyte * dest, int num_pixels, int src_rowsize, int dest_rowsize )
|
|
{
|
|
src = src;
|
|
dest = dest;
|
|
num_pixels = num_pixels;
|
|
src_rowsize = src_rowsize;
|
|
dest_rowsize = dest_rowsize;
|
|
Int3();
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* __MSDOS__ */
|
|
|
|
void gr_ubitmap00( int x, int y, grs_bitmap *bm )
|
|
{
|
|
register int y1;
|
|
int dest_rowsize;
|
|
|
|
unsigned char * dest;
|
|
unsigned char * src;
|
|
|
|
dest_rowsize=grd_curcanv->cv_bitmap.bm_rowsize << gr_bitblt_dest_step_shift;
|
|
dest = &(grd_curcanv->cv_bitmap.bm_data[ dest_rowsize*y+x ]);
|
|
|
|
src = bm->bm_data;
|
|
|
|
for (y1=0; y1 < bm->bm_h; y1++ ) {
|
|
if (gr_bitblt_double)
|
|
gr_linear_rep_movsd_2x( src, dest, bm->bm_w );
|
|
else
|
|
gr_linear_movsd( src, dest, bm->bm_w );
|
|
src += bm->bm_rowsize;
|
|
dest+= (int)(dest_rowsize);
|
|
}
|
|
}
|
|
|
|
void gr_ubitmap00m( int x, int y, grs_bitmap *bm )
|
|
{
|
|
register int y1;
|
|
int dest_rowsize;
|
|
|
|
unsigned char * dest;
|
|
unsigned char * src;
|
|
|
|
dest_rowsize=grd_curcanv->cv_bitmap.bm_rowsize << gr_bitblt_dest_step_shift;
|
|
dest = &(grd_curcanv->cv_bitmap.bm_data[ dest_rowsize*y+x ]);
|
|
|
|
src = bm->bm_data;
|
|
|
|
if (gr_bitblt_fade_table==NULL) {
|
|
for (y1=0; y1 < bm->bm_h; y1++ ) {
|
|
gr_linear_rep_movsdm( src, dest, bm->bm_w );
|
|
src += bm->bm_rowsize;
|
|
dest+= (int)(dest_rowsize);
|
|
}
|
|
} else {
|
|
for (y1=0; y1 < bm->bm_h; y1++ ) {
|
|
gr_linear_rep_movsdm_faded( src, dest, bm->bm_w, gr_bitblt_fade_table[y1+y] );
|
|
src += bm->bm_rowsize;
|
|
dest+= (int)(dest_rowsize);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
" jmp aligned4 " \
|
|
" mov eax, edi " \
|
|
" and eax, 11b " \
|
|
" jz aligned4 " \
|
|
" mov ebx, 4 " \
|
|
" sub ebx, eax " \
|
|
" sub ecx, ebx " \
|
|
"alignstart: " \
|
|
" mov al, [esi] " \
|
|
" add esi, 4 " \
|
|
" mov [edi], al " \
|
|
" inc edi " \
|
|
" dec ebx " \
|
|
" jne alignstart " \
|
|
"aligned4: "
|
|
#endif
|
|
|
|
#ifdef __MSDOS__
|
|
|
|
static void modex_copy_scanline( ubyte * src, ubyte * dest, int npixels );
|
|
|
|
#if !defined(NO_ASM) && defined(__WATCOMC__)
|
|
|
|
#pragma aux modex_copy_scanline parm [esi] [edi] [ecx] modify exact [ecx esi edi eax ebx edx] = \
|
|
" mov ebx, ecx " \
|
|
" and ebx, 11b " \
|
|
" shr ecx, 2 " \
|
|
" cmp ecx, 0 " \
|
|
" je no2group " \
|
|
"next4pixels: " \
|
|
" mov al, [esi+8] " \
|
|
" mov ah, [esi+12] " \
|
|
" shl eax, 16 " \
|
|
" mov al, [esi] " \
|
|
" mov ah, [esi+4] " \
|
|
" mov [edi], eax " \
|
|
" add esi, 16 " \
|
|
" add edi, 4 " \
|
|
" dec ecx " \
|
|
" jne next4pixels " \
|
|
"no2group: " \
|
|
" cmp ebx, 0 " \
|
|
" je done2 " \
|
|
"finishend: " \
|
|
" mov al, [esi] " \
|
|
" add esi, 4 " \
|
|
" mov [edi], al " \
|
|
" inc edi " \
|
|
" dec ebx " \
|
|
" jne finishend " \
|
|
"done2: ";
|
|
|
|
#elif !defined (NO_ASM) && defined(__GNUC__)
|
|
|
|
static inline void modex_copy_scanline( ubyte * src, ubyte * dest, int npixels ) {
|
|
/* #pragma aux modex_copy_scanline parm [esi] [edi] [ecx] modify exact [ecx esi edi eax ebx edx] */
|
|
int dummy[3];
|
|
__asm__ __volatile__ (
|
|
" movl %%ecx, %%ebx;"
|
|
" andl $3, %%ebx;"
|
|
" shrl $2, %%ecx;"
|
|
" cmpl $0, %%ecx;"
|
|
" je 1f;"
|
|
"0: ;"
|
|
" movb 8(%%esi), %%al;"
|
|
" movb 12(%%esi), %%ah;"
|
|
" shll $16, %%eax;"
|
|
" movb (%%esi), %%al;"
|
|
" movb 4(%%esi), %%ah;"
|
|
" movl %%eax, (%%edi);"
|
|
" addl $16, %%esi;"
|
|
" addl $4, %%edi;"
|
|
" decl %%ecx;"
|
|
" jne 0b;"
|
|
"1: ;"
|
|
" cmpl $0, %%ebx;"
|
|
" je 3f;"
|
|
"2: ;"
|
|
" movb (%%esi), %%al;"
|
|
" addl $4, %%esi;"
|
|
" movb %%al, (%%edi);"
|
|
" incl %%edi;"
|
|
" decl %%ebx;"
|
|
" jne 2b;"
|
|
"3:"
|
|
: "=c" (dummy[0]), "=S" (dummy[1]), "=D" (dummy[2])
|
|
: "1" (src), "2" (dest), "0" (npixels)
|
|
: "%eax", "%ebx", "%edx" );
|
|
}
|
|
|
|
#else
|
|
|
|
static void modex_copy_scanline( ubyte * src, ubyte * dest, int npixels )
|
|
{
|
|
src = src;
|
|
dest = dest;
|
|
npixels = npixels;
|
|
Int3();
|
|
}
|
|
|
|
#endif
|
|
|
|
static void modex_copy_scanline_2x( ubyte * src, ubyte * dest, int npixels );
|
|
|
|
#if !defined(NO_ASM) && defined(__WATCOMC__)
|
|
|
|
#pragma aux modex_copy_scanline_2x parm [esi] [edi] [ecx] modify exact [ecx esi edi eax ebx edx] = \
|
|
" mov ebx, ecx " \
|
|
" and ebx, 11b " \
|
|
" shr ecx, 2 " \
|
|
" cmp ecx, 0 " \
|
|
" je no2group " \
|
|
"next4pixels: " \
|
|
" mov al, [esi+4] " \
|
|
" mov ah, [esi+6] " \
|
|
" shl eax, 16 " \
|
|
" mov al, [esi] " \
|
|
" mov ah, [esi+2] " \
|
|
" mov [edi], eax " \
|
|
" add esi, 8 " \
|
|
" add edi, 4 " \
|
|
" dec ecx " \
|
|
" jne next4pixels " \
|
|
"no2group: " \
|
|
" cmp ebx, 0 " \
|
|
" je done2 " \
|
|
"finishend: " \
|
|
" mov al, [esi] " \
|
|
" add esi, 2 " \
|
|
" mov [edi], al " \
|
|
" inc edi " \
|
|
" dec ebx " \
|
|
" jne finishend " \
|
|
"done2: ";
|
|
|
|
#elif !defined(NO_ASM) && defined(__GNUC__)
|
|
|
|
static inline void modex_copy_scanline_2x( ubyte * src, ubyte * dest, int npixels ) {
|
|
/* #pragma aux modex_copy_scanline_2x parm [esi] [edi] [ecx] modify exact [ecx esi edi eax ebx edx] = */
|
|
int dummy[3];
|
|
__asm__ __volatile__ (
|
|
" movl %%ecx, %%ebx;"
|
|
" andl $3, %%ebx;"
|
|
" shrl $2, %%ecx;"
|
|
" cmpl $0, %%ecx;"
|
|
" je 1f;"
|
|
"0: ;"
|
|
" movb 4(%%esi), %%al;"
|
|
" movb 6(%%esi), %%ah;"
|
|
" shll $16, %%eax;"
|
|
" movb (%%esi), %%al;"
|
|
" movb 2(%%esi), %%ah;"
|
|
" movl %%eax, (%%edi);"
|
|
" addl $8, %%esi;"
|
|
" addl $4, %%edi;"
|
|
" decl %%ecx;"
|
|
" jne 0b;"
|
|
"1: ;"
|
|
" cmp $0, %%ebx;"
|
|
" je 3f;"
|
|
"2:"
|
|
" movb (%%esi),%%al;"
|
|
" addl $2, %%esi;"
|
|
" movb %%al, (%%edi);"
|
|
" incl %%edi;"
|
|
" decl %%ebx;"
|
|
" jne 2b;"
|
|
"3:"
|
|
: "=c" (dummy[0]), "=S" (dummy[1]), "=D" (dummy[2])
|
|
: "1" (src), "2" (dest), "0" (npixels)
|
|
: "%eax", "%ebx", "%edx" );
|
|
}
|
|
|
|
#else
|
|
|
|
static void modex_copy_scanline_2x( ubyte * src, ubyte * dest, int npixels )
|
|
{
|
|
src = src;
|
|
dest = dest;
|
|
npixels = npixels;
|
|
Int3();
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
// From Linear to ModeX
|
|
void gr_bm_ubitblt01(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
ubyte * dbits;
|
|
ubyte * sbits;
|
|
int sstep,dstep;
|
|
int y,plane;
|
|
int w1;
|
|
|
|
if ( w < 4 ) return;
|
|
|
|
sstep = src->bm_rowsize;
|
|
dstep = dest->bm_rowsize << gr_bitblt_dest_step_shift;
|
|
|
|
if (!gr_bitblt_double) {
|
|
for (plane=0; plane<4; plane++ ) {
|
|
gr_modex_setplane( (plane+dx)&3 );
|
|
sbits = src->bm_data + (src->bm_rowsize * sy) + sx + plane;
|
|
dbits = &gr_video_memory[(dest->bm_rowsize * dy) + ((plane+dx)/4) ];
|
|
w1 = w >> 2;
|
|
if ( (w&3) > plane ) w1++;
|
|
for (y=dy; y < dy+h; y++ ) {
|
|
modex_copy_scanline( sbits, dbits, w1 );
|
|
dbits += dstep;
|
|
sbits += sstep;
|
|
}
|
|
}
|
|
} else {
|
|
for (plane=0; plane<4; plane++ ) {
|
|
gr_modex_setplane( (plane+dx)&3 );
|
|
sbits = src->bm_data + (src->bm_rowsize * sy) + sx + plane/2;
|
|
dbits = &gr_video_memory[(dest->bm_rowsize * dy) + ((plane+dx)/4) ];
|
|
w1 = w >> 2;
|
|
if ( (w&3) > plane ) w1++;
|
|
for (y=dy; y < dy+h; y++ ) {
|
|
modex_copy_scanline_2x( sbits, dbits, w1 );
|
|
dbits += dstep;
|
|
sbits += sstep;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// From Linear to ModeX masked
|
|
void gr_bm_ubitblt01m(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
//ubyte * dbits1;
|
|
//ubyte * sbits1;
|
|
|
|
ubyte * dbits;
|
|
ubyte * sbits;
|
|
|
|
int x;
|
|
//int y;
|
|
|
|
sbits = src->bm_data + (src->bm_rowsize * sy) + sx;
|
|
dbits = &gr_video_memory[(dest->bm_rowsize * dy) + dx/4];
|
|
|
|
for (x=dx; x < dx+w; x++ ) {
|
|
gr_modex_setplane( x&3 );
|
|
|
|
//sbits1 = sbits;
|
|
//dbits1 = dbits;
|
|
//for (y=0; y < h; y++ ) {
|
|
// *dbits1 = *sbits1;
|
|
// sbits1 += src_bm_rowsize;
|
|
// dbits1 += dest_bm_rowsize;
|
|
//}
|
|
modex_copy_column_m(sbits, dbits, h, src->bm_rowsize, dest->bm_rowsize << gr_bitblt_dest_step_shift );
|
|
|
|
sbits++;
|
|
if ( (x&3)==3 )
|
|
dbits++;
|
|
}
|
|
}
|
|
|
|
#endif /* __MSDOS__ */
|
|
|
|
|
|
void gr_ubitmap012( int x, int y, grs_bitmap *bm )
|
|
{
|
|
register int x1, y1;
|
|
unsigned char * src;
|
|
|
|
src = bm->bm_data;
|
|
|
|
for (y1=y; y1 < (y+bm->bm_h); y1++ ) {
|
|
for (x1=x; x1 < (x+bm->bm_w); x1++ ) {
|
|
gr_setcolor( *src++ );
|
|
gr_upixel( x1, y1 );
|
|
}
|
|
}
|
|
}
|
|
|
|
void gr_ubitmap012m( int x, int y, grs_bitmap *bm )
|
|
{
|
|
register int x1, y1;
|
|
unsigned char * src;
|
|
|
|
src = bm->bm_data;
|
|
|
|
for (y1=y; y1 < (y+bm->bm_h); y1++ ) {
|
|
for (x1=x; x1 < (x+bm->bm_w); x1++ ) {
|
|
if ( *src != TRANSPARENCY_COLOR ) {
|
|
gr_setcolor( *src );
|
|
gr_upixel( x1, y1 );
|
|
}
|
|
src++;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined(POLY_ACC)
|
|
void gr_ubitmap05( int x, int y, grs_bitmap *bm )
|
|
{
|
|
register int x1, y1;
|
|
unsigned char *src;
|
|
short *dst;
|
|
int mod;
|
|
|
|
pa_flush();
|
|
src = bm->bm_data;
|
|
dst = (short *)(DATA + y * ROWSIZE + x * PA_BPP);
|
|
mod = ROWSIZE / 2 - bm->bm_w;
|
|
|
|
for (y1=y; y1 < (y+bm->bm_h); y1++ ) {
|
|
for (x1=x; x1 < (x+bm->bm_w); x1++ ) {
|
|
*dst++ = pa_clut[*src++];
|
|
}
|
|
dst += mod;
|
|
}
|
|
}
|
|
|
|
void gr_ubitmap05m( int x, int y, grs_bitmap *bm )
|
|
{
|
|
register int x1, y1;
|
|
unsigned char *src;
|
|
short *dst;
|
|
int mod;
|
|
|
|
pa_flush();
|
|
src = bm->bm_data;
|
|
dst = (short *)(DATA + y * ROWSIZE + x * PA_BPP);
|
|
mod = ROWSIZE / 2 - bm->bm_w;
|
|
|
|
for (y1=y; y1 < (y+bm->bm_h); y1++ ) {
|
|
for (x1=x; x1 < (x+bm->bm_w); x1++ ) {
|
|
if ( *src != TRANSPARENCY_COLOR ) {
|
|
*dst = pa_clut[*src];
|
|
}
|
|
src++;
|
|
++dst;
|
|
}
|
|
dst += mod;
|
|
}
|
|
}
|
|
|
|
void gr_bm_ubitblt05_rle(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
unsigned short * dbits;
|
|
unsigned char * sbits, scanline[640];
|
|
int i, data_offset, j, nextrow;
|
|
|
|
pa_flush();
|
|
nextrow=dest->bm_rowsize/PA_BPP;
|
|
|
|
data_offset = 1;
|
|
if (src->bm_flags & BM_FLAG_RLE_BIG)
|
|
data_offset = 2;
|
|
|
|
sbits = &src->bm_data[4 + (src->bm_h*data_offset)];
|
|
for (i=0; i<sy; i++ )
|
|
sbits += (int)(INTEL_SHORT(src->bm_data[4+(i*data_offset)]));
|
|
|
|
dbits = (unsigned short *)(dest->bm_data + (dest->bm_rowsize * dy) + dx*PA_BPP);
|
|
|
|
// No interlacing, copy the whole buffer.
|
|
for (i=0; i < h; i++ ) {
|
|
gr_rle_expand_scanline( scanline, sbits, sx, sx+w-1 );
|
|
for(j = 0; j != w; ++j)
|
|
dbits[j] = pa_clut[scanline[j]];
|
|
if ( src->bm_flags & BM_FLAG_RLE_BIG )
|
|
sbits += (int)INTEL_SHORT(*((short *)&(src->bm_data[4+((i+sy)*data_offset)])));
|
|
else
|
|
sbits += (int)(src->bm_data[4+i+sy]);
|
|
dbits += nextrow;
|
|
}
|
|
}
|
|
|
|
void gr_bm_ubitblt05m_rle(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
unsigned short * dbits;
|
|
unsigned char * sbits, scanline[640];
|
|
int i, data_offset, j, nextrow;
|
|
|
|
pa_flush();
|
|
nextrow=dest->bm_rowsize/PA_BPP;
|
|
data_offset = 1;
|
|
if (src->bm_flags & BM_FLAG_RLE_BIG)
|
|
data_offset = 2;
|
|
|
|
sbits = &src->bm_data[4 + (src->bm_h*data_offset)];
|
|
for (i=0; i<sy; i++ )
|
|
sbits += (int)(INTEL_SHORT(src->bm_data[4+(i*data_offset)]));
|
|
|
|
dbits = (unsigned short *)(dest->bm_data + (dest->bm_rowsize * dy) + dx*PA_BPP);
|
|
|
|
// No interlacing, copy the whole buffer.
|
|
for (i=0; i < h; i++ ) {
|
|
gr_rle_expand_scanline( scanline, sbits, sx, sx+w-1 );
|
|
for(j = 0; j != w; ++j)
|
|
if(scanline[j] != TRANSPARENCY_COLOR)
|
|
dbits[j] = pa_clut[scanline[j]];
|
|
if ( src->bm_flags & BM_FLAG_RLE_BIG )
|
|
sbits += (int)INTEL_SHORT(*((short *)&(src->bm_data[4+((i+sy)*data_offset)])));
|
|
else
|
|
sbits += (int)(src->bm_data[4+i+sy]);
|
|
dbits += nextrow;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void gr_ubitmapGENERIC(int x, int y, grs_bitmap * bm)
|
|
{
|
|
register int x1, y1;
|
|
|
|
for (y1=0; y1 < bm->bm_h; y1++ ) {
|
|
for (x1=0; x1 < bm->bm_w; x1++ ) {
|
|
gr_setcolor( gr_gpixel(bm,x1,y1) );
|
|
gr_upixel( x+x1, y+y1 );
|
|
}
|
|
}
|
|
}
|
|
|
|
void gr_ubitmapGENERICm(int x, int y, grs_bitmap * bm)
|
|
{
|
|
register int x1, y1;
|
|
ubyte c;
|
|
|
|
for (y1=0; y1 < bm->bm_h; y1++ ) {
|
|
for (x1=0; x1 < bm->bm_w; x1++ ) {
|
|
c = gr_gpixel(bm,x1,y1);
|
|
if ( c != TRANSPARENCY_COLOR ) {
|
|
gr_setcolor( c );
|
|
gr_upixel( x+x1, y+y1 );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
#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+0xA0000), w );
|
|
else
|
|
gr_linear_movsd( (void *)sbits, (void *)(offset+0xA0000), w );
|
|
|
|
VideoLocation += dbpr;
|
|
sbits += sbpr;
|
|
}
|
|
else
|
|
{
|
|
BytesToMove = 0xFFFF-offset+1;
|
|
|
|
if ( gr_bitblt_double )
|
|
gr_linear_rep_movsd_2x( (void *)sbits, (void *)(offset+0xA0000), BytesToMove );
|
|
else
|
|
gr_linear_movsd( (void *)sbits, (void *)(offset+0xA0000), BytesToMove );
|
|
|
|
page++;
|
|
gr_vesa_setpage(page);
|
|
|
|
if ( gr_bitblt_double )
|
|
gr_linear_rep_movsd_2x( (void *)(sbits+BytesToMove/2), (void *)0xA0000, EndingOffset - 0xFFFF );
|
|
else
|
|
gr_linear_movsd( (void *)(sbits+BytesToMove), (void *)0xA0000, EndingOffset - 0xFFFF );
|
|
|
|
VideoLocation += dbpr;
|
|
sbits += sbpr;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef __MSDOS__
|
|
|
|
void gr_bm_ubitblt02m(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 )
|
|
{
|
|
gr_linear_rep_movsdm( (void *)sbits, (void *)(offset+0xA0000), w );
|
|
|
|
VideoLocation += dbpr;
|
|
sbits += sbpr;
|
|
}
|
|
else
|
|
{
|
|
BytesToMove = 0xFFFF-offset+1;
|
|
|
|
gr_linear_rep_movsdm( (void *)sbits, (void *)(offset+0xA0000), BytesToMove );
|
|
|
|
page++;
|
|
gr_vesa_setpage(page);
|
|
|
|
gr_linear_rep_movsdm( (void *)(sbits+BytesToMove), (void *)0xA0000, 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
|
|
|
|
//@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.
|
|
for (i=0; i < h; i++ ) {
|
|
if (gr_bitblt_double)
|
|
gr_linear_rep_movsd_2x( sbits, dbits, w );
|
|
else
|
|
gr_linear_movsd( sbits, dbits, 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;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
extern void gr_lbitblt( grs_bitmap * source, grs_bitmap * dest, int height, int width );
|
|
|
|
#if 1 //def MACINTOSH
|
|
|
|
// width == number of destination pixels
|
|
|
|
void gr_linear_movsd_double(ubyte *src, ubyte *dest, int width)
|
|
{
|
|
double *d = (double *)dest;
|
|
uint *s = (uint *)src;
|
|
uint doubletemp[2];
|
|
uint temp, work;
|
|
int i, num_pixels;
|
|
|
|
num_pixels = width / 2;
|
|
if ( (num_pixels & 0x3) || (((int)src & 0x7) != ((int)dest & 0x7)) ) {
|
|
// not a multiple of 4? do single pixel at a time
|
|
for (i=0; i<num_pixels; i++) {
|
|
*dest++ = *src;
|
|
*dest++ = *src++;
|
|
}
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < num_pixels / 4; i++) {
|
|
temp = work = *s++;
|
|
|
|
temp = ((temp >> 8) & 0x00FFFF00) | (temp & 0xFF0000FF); // 0xABCDEFGH -> 0xABABCDEF
|
|
temp = ((temp >> 8) & 0x000000FF) | (temp & 0xFFFFFF00); // 0xABABCDEF -> 0xABABCDCD
|
|
doubletemp[0] = temp;
|
|
|
|
work = ((work << 8) & 0x00FFFF00) | (work & 0xFF0000FF); // 0xABCDEFGH -> 0xABEFGHGH
|
|
work = ((work << 8) & 0xFF000000) | (work & 0x00FFFFFF); // 0xABEFGHGH -> 0xEFEFGHGH
|
|
doubletemp[1] = work;
|
|
|
|
*d = *(double *) &(doubletemp[0]);
|
|
d++;
|
|
}
|
|
}
|
|
|
|
//extern void BlitLargeAlign(ubyte *draw_buffer, int dstRowBytes, ubyte *dstPtr, int w, int h, int modulus);
|
|
|
|
#ifdef MACINTOSH
|
|
asm void BlitLargeAlign(ubyte *rSrcPtr, int rDblDStrd, ubyte *rDst1Ptr, int rWidth, int rHeight, int rModulus)
|
|
{
|
|
stw r31,-4(SP) // store non-volatile reg in red zone
|
|
addi r5,r5,-8 // subtract 8 from dst
|
|
stw r30,-8(SP) // store non-volatile reg in red zone
|
|
|
|
la r30,-16(SP) // calculate copy of local 8-byte variable
|
|
sub r9,r8,r6
|
|
// rSStrd = modulus - w
|
|
add r31,r5,r4 // dst2 = dstRowBytes + dst1
|
|
sub r4,r4,r6 // r4 = dstRowBytes - w
|
|
addi r7,r7,-1 // subtract 1 from height count
|
|
srawi r6,r6,2 // rWidth = w >> 2
|
|
addi r3,r3,-4 // subtract 4 from src
|
|
addi r6,r6,-1 // subtract 1 from width count
|
|
add r4,r4,r4 // rDblDStrd = 2 * r4
|
|
|
|
BlitLargeAlignY: // y count is in r7
|
|
lwzu r10,4(r3) // load a long into r10
|
|
mr r0,r10 // put a copy in r0
|
|
mr r11,r10
|
|
// these are simplified -- can't use 'em inslwi r0,r10,16,8
|
|
// these are simplified -- can't use 'em insrwi r11,r10,16,8
|
|
rlwimi r0,r10,24,8,31
|
|
rlwimi r11,r10,8,8,23
|
|
rlwimi r0,r10,16,24,31
|
|
stw r0,0(r30)
|
|
rlwimi r11,r10,16,0,7
|
|
stw r11,4(r30)
|
|
mtctr r6 // copy x count into the counter
|
|
lfd fp0,0(r30)
|
|
|
|
BlitLargeAlignX:
|
|
lwzu r10,4(r3) // load a long into r10
|
|
stfdu fp0,8(r5)
|
|
mr r0,r10 // put a copy in r0
|
|
mr r11,r10
|
|
// simplefied inslwi r0,r10,16,8
|
|
// simplefied insrwi r11,r10,16,8
|
|
rlwimi r0,r10,24,8,31
|
|
rlwimi r11,r10,8,8,23
|
|
rlwimi r0,r10,16,24,31
|
|
stw r0,0(r30)
|
|
rlwimi r11,r10,16,0,7
|
|
stw r11,4(r30)
|
|
stfdu fp0,8(r31)
|
|
lfd fp0,0(r30)
|
|
bdnz BlitLargeAlignX // loop over all x
|
|
|
|
stfdu fp0,8(r5)
|
|
addic. r7,r7,-1 // decrement the counter
|
|
add r3,r3,r9
|
|
// src += sstride
|
|
add r5,r5,r4
|
|
// dst1 += dstride
|
|
stfdu fp0,8(r31)
|
|
add r31,r31,r4
|
|
// dst2 += dstride
|
|
bne BlitLargeAlignY // loop for all y
|
|
|
|
lwz r30,-8(SP) // restore non-volatile regs
|
|
lwz r31,-4(SP) // restore non-volatile regs
|
|
blr // return to caller
|
|
}
|
|
|
|
void gr_bm_ubitblt_double(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap *src, grs_bitmap *dest)
|
|
{
|
|
ubyte * dbits;
|
|
ubyte * sbits;
|
|
int dstep, 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;
|
|
Assert( !((int)dbits & 0x7) ); // assert to check double word alignment
|
|
BlitLargeAlign(sbits, dstep, dbits, src->bm_w, src->bm_h, src->bm_rowsize);
|
|
}
|
|
#endif
|
|
|
|
// w and h are the doubled width and height
|
|
|
|
void gr_bm_ubitblt_double_slow(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap *src, grs_bitmap *dest)
|
|
{
|
|
ubyte * dbits;
|
|
ubyte * sbits;
|
|
int dstep, 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;
|
|
|
|
for (i=0; i < h; i++ ) {
|
|
|
|
gr_linear_movsd_double(sbits, dbits, w);
|
|
dbits += dstep;
|
|
if (i & 1)
|
|
sbits += src->bm_rowsize;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
// 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 );
|
|
|
|
}
|
|
|
|
//-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+0xA0000), 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+0xA0000), 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 *)0xA0000, 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, data_offset;
|
|
|
|
data_offset = 1;
|
|
if (src->bm_flags & BM_FLAG_RLE_BIG)
|
|
data_offset = 2;
|
|
|
|
sbits = &src->bm_data[4 + (src->bm_h*data_offset)];
|
|
|
|
for (i=0; i<sy; i++ )
|
|
sbits += (int)(INTEL_SHORT(src->bm_data[4+(i*data_offset)]));
|
|
|
|
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 );
|
|
if ( src->bm_flags & BM_FLAG_RLE_BIG )
|
|
sbits += (int)INTEL_SHORT(*((short *)&(src->bm_data[4+((i+sy)*data_offset)])));
|
|
else
|
|
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, data_offset;
|
|
|
|
data_offset = 1;
|
|
if (src->bm_flags & BM_FLAG_RLE_BIG)
|
|
data_offset = 2;
|
|
|
|
sbits = &src->bm_data[4 + (src->bm_h*data_offset)];
|
|
for (i=0; i<sy; i++ )
|
|
sbits += (int)(INTEL_SHORT(src->bm_data[4+(i*data_offset)]));
|
|
|
|
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 );
|
|
if ( src->bm_flags & BM_FLAG_RLE_BIG )
|
|
sbits += (int)INTEL_SHORT(*((short *)&(src->bm_data[4+((i+sy)*data_offset)])));
|
|
else
|
|
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 );
|
|
extern void gr_rle_expand_scanline_generic_masked( grs_bitmap * dest, int dx, int dy, ubyte *src, int x1, int x2 );
|
|
extern void gr_rle_expand_scanline_svga_masked( grs_bitmap * dest, int dx, int dy, ubyte *src, int x1, int x2 );
|
|
|
|
void gr_bm_ubitblt0x_rle(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
int i, data_offset;
|
|
register int y1;
|
|
unsigned char * sbits;
|
|
|
|
//mprintf( 0, "SVGA RLE!\n" );
|
|
|
|
data_offset = 1;
|
|
if (src->bm_flags & BM_FLAG_RLE_BIG)
|
|
data_offset = 2;
|
|
|
|
sbits = &src->bm_data[4 + (src->bm_h*data_offset)];
|
|
for (i=0; i<sy; i++ )
|
|
sbits += (int)(INTEL_SHORT(src->bm_data[4+(i*data_offset)]));
|
|
|
|
for (y1=0; y1 < h; y1++ ) {
|
|
gr_rle_expand_scanline_generic( dest, dx, dy+y1, sbits, sx, sx+w-1 );
|
|
if ( src->bm_flags & BM_FLAG_RLE_BIG )
|
|
sbits += (int)INTEL_SHORT(*((short *)&(src->bm_data[4+((y1+sy)*data_offset)])));
|
|
else
|
|
sbits += (int)src->bm_data[4+y1+sy];
|
|
}
|
|
|
|
}
|
|
|
|
void gr_bm_ubitblt0xm_rle(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
int i, data_offset;
|
|
register int y1;
|
|
unsigned char * sbits;
|
|
|
|
//mprintf( 0, "SVGA RLE!\n" );
|
|
|
|
data_offset = 1;
|
|
if (src->bm_flags & BM_FLAG_RLE_BIG)
|
|
data_offset = 2;
|
|
|
|
sbits = &src->bm_data[4 + (src->bm_h*data_offset)];
|
|
for (i=0; i<sy; i++ )
|
|
sbits += (int)(INTEL_SHORT(src->bm_data[4+(i*data_offset)]));
|
|
|
|
for (y1=0; y1 < h; y1++ ) {
|
|
gr_rle_expand_scanline_generic_masked( dest, dx, dy+y1, sbits, sx, sx+w-1 );
|
|
if ( src->bm_flags & BM_FLAG_RLE_BIG )
|
|
sbits += (int)INTEL_SHORT(*((short *)&(src->bm_data[4+((y1+sy)*data_offset)])));
|
|
else
|
|
sbits += (int)src->bm_data[4+y1+sy];
|
|
}
|
|
|
|
}
|
|
|
|
#ifdef __MSDOS__
|
|
void gr_bm_ubitblt02m_rle(int w, int h, int dx, int dy, int sx, int sy, grs_bitmap * src, grs_bitmap * dest)
|
|
{
|
|
int i, data_offset;
|
|
register int y1;
|
|
unsigned char * sbits;
|
|
|
|
//mprintf( 0, "SVGA RLE!\n" );
|
|
|
|
data_offset = 1;
|
|
if (src->bm_flags & BM_FLAG_RLE_BIG)
|
|
data_offset = 2;
|
|
|
|
sbits = &src->bm_data[4 + (src->bm_h*data_offset)];
|
|
for (i=0; i<sy; i++ )
|
|
sbits += (int)(INTEL_SHORT(src->bm_data[4+(i*data_offset)]));
|
|
|
|
for (y1=0; y1 < h; y1++ ) {
|
|
gr_rle_expand_scanline_svga_masked( dest, dx, dy+y1, sbits, sx, sx+w-1 );
|
|
if ( src->bm_flags & BM_FLAG_RLE_BIG )
|
|
sbits += (int)INTEL_SHORT(*((short *)&(src->bm_data[4+((y1+sy)*data_offset)])));
|
|
else
|
|
sbits += (int)src->bm_data[4+y1+sy];
|
|
}
|
|
}
|
|
#endif
|
|
|
|
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 );
|
|
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
|
|
|
|
#if defined(POLY_ACC)
|
|
if ( (src->bm_type == BM_LINEAR) && (dest->bm_type == BM_LINEAR15 ))
|
|
{
|
|
ubyte *s = src->bm_data + sy * src->bm_rowsize + sx;
|
|
ushort *t = (ushort *)(dest->bm_data + dy * dest->bm_rowsize + dx * PA_BPP);
|
|
int x;
|
|
pa_flush();
|
|
for(;h--;)
|
|
{
|
|
for(x = 0; x < w; x++)
|
|
t[x] = pa_clut[s[x]];
|
|
s += src->bm_rowsize;
|
|
t += dest->bm_rowsize / PA_BPP;
|
|
}
|
|
return;
|
|
}
|
|
|
|
if ( (src->bm_type == BM_LINEAR15) && (dest->bm_type == BM_LINEAR15 ))
|
|
{
|
|
pa_blit(dest, dx, dy, src, sx, sy, w, h);
|
|
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) );
|
|
}
|
|
}
|
|
}
|
|
|
|
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_ubitmap( 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_ubitblt00_rle(bm->bm_w, bm->bm_h, x, y, 0, 0, bm, &grd_curcanv->cv_bitmap );
|
|
else
|
|
gr_ubitmap00( x, y, bm );
|
|
return;
|
|
#ifdef OGL
|
|
case BM_OGL:
|
|
ogl_ubitmapm(x,y,bm);
|
|
return;
|
|
#endif
|
|
#ifdef D1XD3D
|
|
case BM_DIRECTX:
|
|
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, 0);
|
|
return;
|
|
#endif
|
|
#ifdef __MSDOS__
|
|
case BM_SVGA:
|
|
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 );
|
|
else
|
|
gr_vesa_bitmap( bm, &grd_curcanv->cv_bitmap, x, y );
|
|
return;
|
|
case BM_MODEX:
|
|
gr_bm_ubitblt01(bm->bm_w, bm->bm_h, x+XOFFSET, y+YOFFSET, 0, 0, bm, &grd_curcanv->cv_bitmap);
|
|
return;
|
|
#endif
|
|
#if defined(POLY_ACC)
|
|
case BM_LINEAR15:
|
|
if ( bm->bm_flags & BM_FLAG_RLE )
|
|
gr_bm_ubitblt05_rle(bm->bm_w, bm->bm_h, x, y, 0, 0, bm, &grd_curcanv->cv_bitmap );
|
|
else
|
|
gr_ubitmap05( x, y, bm);
|
|
return;
|
|
|
|
#endif
|
|
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;
|
|
|
|
Assert(x+bm->bm_w <= grd_curcanv->cv_w);
|
|
Assert(y+bm->bm_h <= grd_curcanv->cv_h);
|
|
|
|
#ifdef _3DFX
|
|
_3dfx_Blit( x, y, bm );
|
|
if ( _3dfx_skip_ddraw )
|
|
return;
|
|
#endif
|
|
|
|
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:
|
|
if (bm->bm_flags & BM_FLAG_RLE)
|
|
gr_bm_ubitblt02m_rle(bm->bm_w, bm->bm_h, x, y, 0, 0, bm, &grd_curcanv->cv_bitmap);
|
|
//gr_bm_ubitblt0xm_rle(bm->bm_w, bm->bm_h, x, y, 0, 0, bm, &grd_curcanv->cv_bitmap);
|
|
else
|
|
gr_bm_ubitblt02m(bm->bm_w, bm->bm_h, x, y, 0, 0, bm, &grd_curcanv->cv_bitmap);
|
|
//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
|
|
#if defined(POLY_ACC)
|
|
case BM_LINEAR15:
|
|
if ( bm->bm_flags & BM_FLAG_RLE )
|
|
gr_bm_ubitblt05m_rle(bm->bm_w, bm->bm_h, x, y, 0, 0, bm, &grd_curcanv->cv_bitmap );
|
|
else
|
|
gr_ubitmap05m( x, y, bm );
|
|
return;
|
|
#endif
|
|
|
|
default:
|
|
gr_ubitmap012m( x, y, bm );
|
|
return;
|
|
}
|
|
} else {
|
|
gr_ubitmapGENERICm(x, y, bm);
|
|
}
|
|
}
|
|
|
|
|
|
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;
|
|
}
|
|
#ifdef __MSDOS__
|
|
else if ( (bm->bm_type == BM_LINEAR) && (grd_curcanv->cv_bitmap.bm_type == BM_SVGA ))
|
|
{
|
|
gr_bm_ubitblt02m(dx2-dx1+1,dy2-dy1+1, dx1, dy1, sx, sy, bm, &grd_curcanv->cv_bitmap );
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
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
|
|
#if defined(POLY_ACC)
|
|
if(src->bm_type == BM_LINEAR && dest->bm_type == BM_LINEAR15)
|
|
{
|
|
ubyte *s;
|
|
ushort *d;
|
|
ushort u;
|
|
int smod, dmod;
|
|
|
|
pa_flush();
|
|
s = (ubyte *)(src->bm_data + src->bm_rowsize * sy + sx);
|
|
smod = src->bm_rowsize - w;
|
|
d = (ushort *)(dest->bm_data + dest->bm_rowsize * dy + dx * PA_BPP);
|
|
dmod = dest->bm_rowsize / PA_BPP - w;
|
|
for (; h--;) {
|
|
for (x1=w; x1--; ) {
|
|
if ((u = *s) != TRANSPARENCY_COLOR)
|
|
*d = pa_clut[u];
|
|
++s;
|
|
++d;
|
|
}
|
|
s += smod;
|
|
d += dmod;
|
|
}
|
|
}
|
|
|
|
if(src->bm_type == BM_LINEAR15)
|
|
{
|
|
Assert(src->bm_type == dest->bm_type); // I don't support 15 to 8 yet.
|
|
pa_blit_transparent(dest, dx, dy, src, sx, sy, w, h);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
for (y1=0; y1 < h; y1++ ) {
|
|
for (x1=0; x1 < w; x1++ ) {
|
|
if ((c=gr_gpixel(src,sx+x1,sy+y1))!=TRANSPARENCY_COLOR)
|
|
gr_bm_pixel( dest, dx+x1, dy+y1,c );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// rescalling bitmaps, 10/14/99 Jan Bobrowski jb@wizard.ae.krakow.pl
|
|
|
|
inline void scale_line(byte *in, byte *out, int ilen, int olen)
|
|
{
|
|
int a = olen/ilen, b = olen%ilen;
|
|
int c = 0, i;
|
|
byte *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)
|
|
{
|
|
byte *s = src->bm_data;
|
|
byte *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) {
|
|
ogl_ubitblt_i(scr->bm_w,scr->bm_h,0,0,bm->bm_w,bm->bm_h,0,0,bm,scr);//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);
|
|
}
|