2 * $Logfile: /Freespace2/code/Graphics/2d.cpp $
7 * Main file for 2d primitives.
10 * Revision 1.6 2002/05/28 21:36:10 relnev
11 * some more timer junk.
13 * tried to fix software mode.
15 * Revision 1.5 2002/05/28 04:18:08 theoddone33
16 * Fix some stuff and add -DFS2_DEMO
18 * Revision 1.4 2002/05/27 22:43:02 theoddone33
19 * Fix more glide symbols
21 * Revision 1.3 2002/05/27 22:39:21 theoddone33
22 * Remove glide symbols
24 * Revision 1.2 2002/05/07 03:16:45 theoddone33
25 * The Great Newline Fix
27 * Revision 1.1.1.1 2002/05/03 03:28:09 root
31 * 25 8/20/99 2:09p Dave
34 * 24 8/16/99 9:45a Jefff
35 * changes to cursor management to allow a 2nd temporary cursor
37 * 23 7/27/99 3:52p Dave
38 * Make star drawing a bit more robust to help lame D3D cards.
40 * 22 7/18/99 12:32p Dave
41 * Randomly oriented shockwaves.
43 * 21 7/15/99 3:07p Dave
44 * 32 bit detection support. Mouse coord commandline.
46 * 20 7/14/99 9:42a Dave
47 * Put in clear_color debug function. Put in base for 3dnow stuff / P3
50 * 19 7/13/99 1:15p Dave
51 * 32 bit support. Whee!
53 * 18 7/12/99 11:42a Jefff
54 * Made rectangle drawing smarter in D3D. Made plines draw properly on Ati
57 * 17 7/09/99 9:51a Dave
58 * Added thick polyline code.
60 * 16 7/02/99 3:05p Anoop
61 * Oops. Fixed g3_draw_2d_poly() so that it properly handles poly bitmap
62 * and LFB bitmap calls.
64 * 15 6/29/99 10:35a Dave
65 * Interface polygon bitmaps! Whee!
67 * 14 4/09/99 2:21p Dave
68 * Multiplayer beta stuff. CD checking.
70 * 13 2/03/99 11:44a Dave
71 * Fixed d3d transparent textures.
73 * 12 1/29/99 12:47a Dave
74 * Put in sounds for beam weapon. A bunch of interface screens (tech
77 * 11 1/15/99 11:29a Neilk
78 * Fixed D3D screen/texture pixel formatting problem.
80 * 10 1/08/99 2:08p Dave
81 * Fixed software rendering for pofview. Super early support for AWACS and
84 * 9 1/06/99 2:24p Dave
85 * Stubs and release build fixes.
87 * 8 12/18/98 1:49a Dave
88 * Fixed Fred initialization problem resulting from hi-res mode changes.
90 * 7 12/18/98 1:13a Dave
91 * Rough 1024x768 support for Direct3D. Proper detection and usage through
94 * 6 12/01/98 10:32a Johnson
95 * Fixed direct3d font problems. Fixed sun bitmap problem. Fixed direct3d
98 * 5 11/30/98 5:31p Dave
99 * Fixed up Fred support for software mode.
101 * 4 11/30/98 1:07p Dave
102 * 16 bit conversion, first run.
104 * 3 11/11/98 5:37p Dave
105 * Checkin for multiplayer testing.
107 * 2 10/07/98 10:52a Dave
110 * 1 10/07/98 10:48a Dave
112 * 122 6/13/98 3:18p Hoffoss
113 * NOX()ed out a bunch of strings that shouldn't be translated.
115 * 121 5/23/98 11:26a Hoffoss
116 * Fixed bug where optimized code used EDX and my code trashed it.
118 * 120 5/22/98 11:09p John
119 * put in code to hopefull not crash cyrix cpus
121 * 119 5/20/98 9:45p John
122 * added code so the places in code that change half the palette don't
123 * have to clear the screen.
125 * 118 5/20/98 12:59p Hoffoss
126 * Changed temporary crossfade code to just pop the image again.
128 * 117 5/16/98 1:18p John
129 * Made softtware DirectDraw reset palette after Alt+TAB.
131 * 116 5/14/98 5:42p John
132 * Revamped the whole window position/mouse code for the graphics windows.
134 * 115 5/08/98 10:49a John
135 * Made 'gr d' go into direct3d mode.
137 * 114 5/06/98 11:21p John
138 * Fixed a bitmap bug with Direct3D. Started adding new caching code into
141 * 113 4/21/98 9:28a John
142 * Added stub for cross-fade.
144 * 112 4/10/98 5:20p John
145 * Changed RGB in lighting structure to be ubytes. Removed old
146 * not-necessary 24 bpp software stuff.
148 * 111 4/06/98 12:55p John
149 * Upped the gamma for Fred.
151 * 110 3/25/98 8:07p John
152 * Restructured software rendering into two modules; One for windowed
153 * debug mode and one for DirectX fullscreen.
155 * 109 3/24/98 3:58p John
156 * Put in (hopefully) final gamma setting code.
158 * 108 3/10/98 4:18p John
159 * Cleaned up graphics lib. Took out most unused gr functions. Made D3D
160 * & Glide have popups and print screen. Took out all >8bpp software
161 * support. Made Fred zbuffer. Made zbuffer allocate dynamically to
162 * support Fred. Made zbuffering key off of functions rather than one
165 * 107 2/25/98 2:37p John
166 * Made afterburner shake 2x less noticable. Made 'gr a' leave Glide mode
167 * properly. Made model_caching never work in hardware mode.
169 * 106 2/23/98 2:27p John
170 * Made int3,asserts, etc pass video through.
172 * 105 2/20/98 3:13p John
173 * Made popup save code print an error an exit out if 3d accelerated.
175 * 104 2/19/98 6:13p John
176 * Made Glide do texturing & zbuffering.
178 * 103 1/26/98 5:12p John
179 * Added in code for Pentium Pro specific optimizations. Speed up
180 * zbuffered correct tmapper about 35%. Speed up non-zbuffered scalers
183 * 102 1/14/98 11:39a Dave
184 * Polished up a bunch of popup support items.
186 * 101 1/10/98 1:14p John
187 * Added explanation to debug console commands
189 * 100 12/21/97 4:33p John
190 * Made debug console functions a class that registers itself
191 * automatically, so you don't need to add the function to
192 * debugfunctions.cpp.
194 * 99 12/04/97 12:09p John
195 * Made glows use scaler instead of tmapper so they don't rotate. Had to
196 * add a zbuffered scaler.
198 * 98 12/03/97 10:47a John
199 * added functions to save/restore entire screens.
201 * 97 12/02/97 3:59p John
202 * Added first rev of thruster glow, along with variable levels of
203 * translucency, which retquired some restructing of palman.
205 * 96 11/30/97 12:18p John
206 * added more 24 & 32-bpp primitives
208 * 95 11/24/97 11:20a John
211 * 94 11/14/97 3:54p John
212 * Added triple buffering.
214 * 93 11/14/97 12:30p John
215 * Fixed some DirectX bugs. Moved the 8-16 xlat tables into Graphics
216 * libs. Made 16-bpp DirectX modes know what bitmap format they're in.
218 * 92 10/09/97 5:23p John
219 * Added support for more 16-bpp functions
221 * 91 9/20/97 8:16a John
222 * Made .clr files go into the Cache directory. Replaced cfopen(name,NULL)
223 * to delete a file with cf_delete.
225 * 90 9/09/97 11:01a Sandeep
226 * fixed warning level 4 bugs
228 * 89 9/07/97 10:01p Lawrance
229 * add in support for animating mouse pointer
231 * 88 9/03/97 4:32p John
232 * changed bmpman to only accept ani and pcx's. made passing .pcx or .ani
233 * to bm_load functions not needed. Made bmpman keep track of palettes
234 * for bitmaps not mapped into game palettes.
236 * 87 8/20/97 4:19p John
237 * added delay to hopefully fix mike's problems when getting int3's in
240 * 86 7/16/97 3:07p John
242 * 85 6/18/97 12:07p John
243 * fixed some color bugs
245 * 84 6/17/97 7:04p John
246 * added d3d support for gradients.
247 * fixed some color bugs by adding screen signatures instead of watching
248 * flags and palette changes.
250 * 83 6/17/97 12:03p John
251 * Moved color/alphacolor functions into their own module. Made all color
252 * functions be part of the low-level graphics drivers, not just the
255 * 82 6/12/97 5:04p John
256 * Initial rev of Glide support
258 * 81 6/11/97 5:49p John
259 * Changed palette code to only recalculate alphacolors when needed, not
260 * when palette changes.
262 * 80 6/11/97 1:12p John
263 * Started fixing all the text colors in the game.
265 * 79 6/06/97 5:03p John
266 * fixed bug withalpha colors failing after gr_init
268 * 78 6/06/97 4:53p John
269 * made gr_init not bash current color
271 * 77 6/05/97 4:53p John
272 * First rev of new antialiased font stuff.
274 * 76 5/20/97 10:36a John
275 * Fixed problem with user bitmaps and direct3d caching.
277 * 75 5/16/97 9:11a John
278 * fixed bug that made Ctrl+Break in fullscreen hang
280 * 74 5/14/97 4:38p John
281 * Fixed print_screen bug.
283 * 73 5/14/97 2:10p John
284 * added rudimentary support for windowed direct3d.
286 * 72 5/14/97 10:53a John
287 * fixed some discrepencies between d3d and software palette setting.
289 * 71 5/13/97 4:39p John
290 * Added console function to set graphics modes.
292 * 70 5/13/97 12:39p John
293 * Got fullscreen mode working.
295 * 69 5/12/97 12:27p John
296 * Restructured Graphics Library to add support for multiple renderers.
298 * 68 5/07/97 2:59p John
299 * Initial rev of D3D texturing.
301 * 67 5/01/97 3:32p John
302 * oops... forced 2d to always be in 8bpp,
304 * 66 5/01/97 3:23p John
305 * first hooks for some direct 3d setup stuff.
307 * 65 4/28/97 5:33p John
308 * fixed a newly introduced bug with fullscreen toggle.
310 * 64 4/28/97 4:46p John
312 * 63 4/22/97 12:20p John
313 * fixed more resource leaks
315 * 62 4/22/97 10:33a John
316 * fixed the 2d resource leaks that Alan found.
318 * 61 3/31/97 9:45a Allender
319 * start of new font stuff
321 * 60 3/26/97 10:52a Lawrance
322 * mouse always on in menus, disappears in gameplay after 1 second
324 * 59 3/14/97 3:55p John
325 * Made tiled tmapper not always be zbuffered.
327 * 58 3/13/97 9:09a Allender
328 * variable to allow trashing of the palette. kind of temporary code
329 * right now...checking needed for undefined references
331 * 57 3/12/97 2:51p John
332 * Added some test code for tmapper.
334 * 56 3/12/97 9:25a John
335 * fixed a bug with zbuffering. Reenabled it by default.
337 * 55 3/11/97 5:13p John
338 * made top up bitmaps work.
340 * 54 2/26/97 11:59a Allender
341 * comment out warning about display settings not being optimal
343 * 53 1/09/97 2:16p John
344 * took out the "Bing!" message
346 * 52 1/09/97 11:35a John
347 * Added some 2d functions to get/put screen images.
349 * 51 1/07/97 2:01p John
350 * Fairly fast zbuffering for object sorting.
352 * 50 1/06/97 2:44p John
353 * Added in slow (but correct) zbuffering
355 * 49 12/11/96 12:41p John
356 * Added new code to draw 3d laser using 2d ellipses.
358 * 48 12/03/96 5:42p John
359 * took out debug code.
361 * 47 12/03/96 5:42p John
362 * made gr_bitmap clip properly.
364 * 46 12/03/96 5:06p John
365 * Added code to draw our own cursor.
367 * 45 11/26/96 6:50p John
368 * Added some more hicolor primitives. Made windowed mode run as current
369 * bpp, if bpp is 8,16,or 32.
371 * 44 11/21/96 11:23a John
372 * fixed bug with previous.
374 * 43 11/21/96 11:21a John
375 * Made gr_get_string_size handle multi line text.
376 * Took out gr_get_multiline_string_size
378 * 42 11/21/96 11:06a John
381 * 41 11/20/96 10:01a Hoffoss
382 * A few minor improvements.
384 * 40 11/19/96 2:47p Allender
385 * add support for xparent bitmaps in 32bpp
387 * 39 11/18/96 4:46p Allender
388 * changed warning message about bit depth to appear when requested
389 * doesn't equal actual
391 * 38 11/18/96 4:35p Allender
392 * new 16bpp gradient functions
394 * 37 11/18/96 3:09p John
395 * made gr_clear always clear to black.
397 * 36 11/18/96 1:48p Allender
398 * added 16 bit version of shader
400 * 35 11/18/96 12:36p John
401 * Added code to dump screen to a PCX file.
403 * 34 11/18/96 11:40a John
404 * Added faster gr_set_color method.
406 * 33 11/15/96 11:26a John
407 * Added code to clip text to clipping region.
409 * 32 11/15/96 11:26a Allender
410 * fixed up 16 bbp version of gr_bitmap
412 * 31 11/14/96 9:11a John
413 * Fixed bug that didn't offset the gr_string text by the current clip
416 * 30 11/13/96 6:47p John
417 * Added gr_flip function.
419 * 29 11/13/96 10:10a John
420 * Increases MAX_WIDTH & HEIGHT for Jasen's massive 1600x1200 display.
422 * 28 11/07/96 6:19p John
423 * Added a bunch of 16bpp primitives so the game sort of runs in 16bpp
426 * 27 10/30/96 10:36a Lawrance
427 * added gr_diamond function
429 * 26 10/26/96 1:40p John
430 * Added some now primitives to the 2d library and
431 * cleaned up some old ones.
438 #include <windowsx.h>
447 #include "grinternal.h"
448 #include "systemvars.h"
452 // #include "amd3d.h"
454 // Includes for different rendering systems
460 #include "gropengl.h"
461 #include "grdirectdraw.h"
465 color_gun Gr_red, Gr_green, Gr_blue, Gr_alpha;
466 color_gun Gr_t_red, Gr_t_green, Gr_t_blue, Gr_t_alpha;
467 color_gun Gr_ta_red, Gr_ta_green, Gr_ta_blue, Gr_ta_alpha;
468 color_gun *Gr_current_red, *Gr_current_green, *Gr_current_blue, *Gr_current_alpha;
471 ubyte Gr_original_palette[768]; // The palette
472 ubyte Gr_current_palette[768];
473 char Gr_current_palette_name[128] = NOX("none");
477 int Web_cursor_bitmap = -1;
487 uint Gr_signature = 0;
489 float Gr_gamma = 1.8f;
490 int Gr_gamma_int = 180;
491 int Gr_gamma_lookup[256];
495 if ( !Gr_inited ) return;
499 switch( gr_screen.mode ) {
505 gr_directdraw_cleanup();
520 Int3(); // Invalid graphics mode
529 DCF(gr,"Changes graphics mode")
531 #ifndef HARDWARE_ONLY
532 int mode = gr_screen.mode;
535 dc_get_arg(ARG_STRING);
537 if ( !strcmp( Dc_arg, "a")) {
540 } else if ( !strcmp( Dc_arg, "b")) {
542 mode = GR_DIRECTDRAW;
543 } else if ( !strcmp( Dc_arg, "d")) {
545 } else if ( !strcmp( Dc_arg, "g")) {
549 } else if ( !strcmp( Dc_arg, "o")) {
553 // print usage, not stats
558 if ( mode != gr_screen.mode ) {
559 dc_printf( "Setting new video mode...\n" );
560 int errcode = gr_init( gr_screen.max_w, gr_screen.max_h, mode );
562 dc_printf( "Error %d. Graphics unchanged.\n", errcode );
569 dc_printf( "Usage: gr mode\n" );
570 dc_printf( "The options can be:\n" );
571 dc_printf( "Macros: A=software win32 window (obsolete)\n" );
572 dc_printf( " B=software directdraw fullscreen (obsolete)\n" );
573 dc_printf( " D=Direct3d\n" );
574 dc_printf( " G=Glide\n" );
575 dc_printf( " O=OpenGl (obsolete)\n" );
576 Dc_status = 0; // don't print status if help is printed. Too messy.
580 switch( gr_screen.mode ) {
583 dc_printf( "Win32 software windowed\n" );
587 dc_printf( "DirectDraw software windowed\n" );
590 dc_printf( "Direct3D\n" );
594 dc_printf( "3Dfx Glide\n" );
599 dc_printf( "OpenGl\n" );
602 Int3(); // Invalid graphics mode
609 // set screen clear color
610 DCF(clear_color, "set clear color r, g, b")
622 gr_set_clear_color(r, g, b);
625 void gr_set_palette_internal( char *name, ubyte * palette, int restrict_font_to_128 )
627 if ( palette == NULL ) {
628 // Create a default palette
634 for (b=0; b<6; b++ ) {
635 Gr_current_palette[i*3+0] = (unsigned char)(r*51);
636 Gr_current_palette[i*3+1] = (unsigned char)(g*51);
637 Gr_current_palette[i*3+2] = (unsigned char)(b*51);
640 for ( i=216;i<256; i++ ) {
641 Gr_current_palette[i*3+0] = (unsigned char)((i-216)*6);
642 Gr_current_palette[i*3+1] = (unsigned char)((i-216)*6);
643 Gr_current_palette[i*3+2] = (unsigned char)((i-216)*6);
645 memmove( Gr_original_palette, Gr_current_palette, 768 );
647 memmove( Gr_original_palette, palette, 768 );
648 memmove( Gr_current_palette, palette, 768 );
651 // mprintf(("Setting new palette\n" ));
654 if (gr_screen.gf_set_palette) {
655 (*gr_screen.gf_set_palette)(Gr_current_palette, restrict_font_to_128 );
657 // Since the palette set code might shuffle the palette,
658 // reload it into the source palette
660 memmove( palette, Gr_current_palette, 768 );
663 // Update Palette Manager tables
664 memmove( gr_palette, Gr_current_palette, 768 );
665 palette_update(name, restrict_font_to_128);
670 void gr_set_palette( char *name, ubyte * palette, int restrict_font_to_128 )
674 strcpy( Gr_current_palette_name, name );
675 p = strchr( Gr_current_palette_name, '.' );
677 gr_screen.signature = Gr_signature++;
678 gr_set_palette_internal( name, palette, restrict_font_to_128 );
684 #define CPUID _asm _emit 0fh _asm _emit 0a2h
686 // -----------------------------------------------------------------------
688 void gr_detect_cpu(int *cpu, int *mmx, int *amd3d, int *katmai )
703 memset( cpu_vender, 0, sizeof(cpu_vender) );
707 // Check for prescence of
713 pushfd // get extended flags
715 mov ebx, eax // save current flags
716 xor eax, 200000h // toggle bit 21
717 push eax // push new flags on stack
718 popfd // flags updated now in flags
719 pushfd // get extended flags
720 pop eax // store extended flags in eax
721 xor eax, ebx // if bit 21 r/w then eax <> 0
724 mov eax, 0 // setup CPUID to return vender id
725 CPUID // code bytes = 0fh, 0a2h
726 mov DWORD PTR cpu_vender[0], ebx
727 mov DWORD PTR cpu_vender[4], edx
728 mov DWORD PTR cpu_vender[8], ecx
730 mov eax, 1 // setup CPUID to return features
732 CPUID // code bytes = 0fh, 0a2h
734 mov RegEAX, eax // family, etc returned in eax
735 mov RegEDX, edx // features returned in edx
736 jmp done_checking_cpuid
740 mov RegEAX, 4<<8 // family, etc returned in eax
741 mov RegEDX, 0 // features returned in edx
753 //RegEAX . Bits 11:8 is family
754 *cpu = (RegEAX >>8) & 0xF;
757 *cpu = 4; // processor does not support CPUID
761 //RegEAX . Bits 11:8 is family
762 *cpu = (RegEAX >>8) & 0xF;
766 if (RegEDX & 0x800000) // bit 23 is set for MMX technology
769 __try { _asm emms } // try executing an MMX instruction "emms"
771 __except(EXCEPTION_EXECUTE_HANDLER) { retval = FALSE; }
777 *mmx = 1; // processor supports CPUID but does not support MMX technology
781 if (RegEDX & (1<<25) ) // bit 25 is set for Katmai technology
786 // Check for Amd 3dnow
788 if ( !stricmp( cpu_vender, NOX("AuthenticAMD")) ) {
791 mov eax, 0x80000000 // setup CPUID to return extended number of functions
793 CPUID // code bytes = 0fh, 0a2h
795 mov RegEAX, eax // highest extended function value
798 if ( RegEAX > 0x80000000 ) {
801 mov eax, 0x80000001 // setup CPUID to return extended flags
803 CPUID // code bytes = 0fh, 0a2h
805 mov RegEAX, eax // family, etc returned in eax
806 mov RegEDX, edx // flags in edx
809 if (RegEDX & 0x80000000) // bit 31 is set for AMD-3D technology
811 // try executing some 3Dnow instructions
814 float x = (float)1.25;
815 float y = (float)1.25;
821 PFMUL(AMD_M1, AMD_M2);
827 int should_be_156 = int(z*100);
829 if ( should_be_156 == 156 ) {
835 __except(EXCEPTION_EXECUTE_HANDLER) { }
844 // --------------------------------------------------------------------------
846 int gr_init(int res, int mode, int depth, int fred_x, int fred_y)
851 gr_detect_cpu(&Gr_cpu, &Gr_mmx, &Gr_amd3d, &Gr_katmai );
853 mprintf(( "GR_CPU: Family %d, MMX=%s\n", Gr_cpu, (Gr_mmx?"Yes":"No") ));
860 // If already inited, shutdown the previous graphics
862 switch( gr_screen.mode ) {
868 gr_directdraw_cleanup();
887 Int3(); // Invalid graphics mode
893 #if defined(HARDWARE_ONLY)
895 if(!Fred_running && !Pofview_running && !Nebedit_running && !Is_standalone){
896 if((mode != GR_GLIDE) && (mode != GR_DIRECT3D)){
897 mprintf(("Forcing glide startup!\n"));
909 if(!Fred_running && !Pofview_running){
910 // set resolution based on the res type
930 // Make w a multiple of 8
931 max_w = ( max_w / 8 )*8;
932 if ( max_w < 8 ) max_w = 8;
933 if ( max_h < 8 ) max_h = 8;
935 memset( &gr_screen, 0, sizeof(screen) );
937 gr_screen.signature = Gr_signature++;
938 gr_screen.mode = mode;
940 gr_screen.max_w = max_w;
941 gr_screen.max_h = max_h;
942 gr_screen.aspect = 1.0f; // Normal PC screen
943 gr_screen.offset_x = 0;
944 gr_screen.offset_y = 0;
945 gr_screen.clip_left = 0;
946 gr_screen.clip_top = 0;
947 gr_screen.clip_right = gr_screen.max_w - 1;
948 gr_screen.clip_bottom = gr_screen.max_h - 1;
949 gr_screen.clip_width = gr_screen.max_w;
950 gr_screen.clip_height = gr_screen.max_h;
952 switch( gr_screen.mode ) {
955 Assert(Fred_running || Pofview_running || Is_standalone || Nebedit_running);
961 gr_directdraw_init();
964 // we only care about possible 32 bit stuff here
965 Cmdline_force_32bit = 0;
967 Cmdline_force_32bit = 1;
972 // bad startup - stupid D3D
973 extern int D3D_inited;
981 // if we're in high-res. force polygon interface
983 if(gr_screen.res == GR_1024){
998 Int3(); // Invalid graphics mode
1001 memmove( Gr_current_palette, Gr_original_palette, 768 );
1002 gr_set_palette_internal(Gr_current_palette_name, Gr_current_palette,0);
1004 gr_set_gamma(Gr_gamma);
1006 if ( Gr_cursor == -1 ){
1007 Gr_cursor = bm_load( "cursor" );
1010 // load the web pointer cursor bitmap
1011 if (Web_cursor_bitmap < 0) {
1012 int nframes; // used to pass, not really needed (should be 1)
1013 Web_cursor_bitmap = bm_load_animation("cursorweb", &nframes);
1014 Assert(Web_cursor_bitmap >= 0); // if bitmap didnt load, thats not good (this is protected for in release tho)
1017 gr_set_color(0,0,0);
1019 gr_set_clear_color(0, 0, 0);
1021 // Call some initialization functions
1022 gr_set_shader(NULL);
1027 void gr_force_windowed()
1029 if ( !Gr_inited ) return;
1031 switch( gr_screen.mode ) {
1034 extern void gr_soft_force_windowed();
1035 gr_soft_force_windowed();
1041 extern void gr_directdraw_force_windowed();
1042 gr_directdraw_force_windowed();
1050 extern void gr_glide_force_windowed();
1051 gr_glide_force_windowed();
1060 Int3(); // Invalid graphics mode
1063 if ( Os_debugger_running )
1067 void gr_activate(int active)
1069 if ( !Gr_inited ) return;
1071 switch( gr_screen.mode ) {
1074 extern void gr_soft_activate(int active);
1075 gr_soft_activate(active);
1082 extern void gr_dd_activate(int active);
1083 gr_dd_activate(active);
1089 extern void gr_d3d_activate(int active);
1090 gr_d3d_activate(active);
1097 extern void gr_glide_activate(int active);
1098 gr_glide_activate(active);
1110 extern void gr_opengl_activate(int active);
1111 gr_opengl_activate(active);
1117 Int3(); // Invalid graphics mode
1122 // -----------------------------------------------------------------------
1123 // gr_set_cursor_bitmap()
1125 // Set the bitmap for the mouse pointer. This is called by the animating mouse
1128 // The lock parameter just locks basically disables the next call of this function that doesnt
1129 // have an unlock feature. If adding in more cursor-changing situations, be aware of
1130 // unexpected results. You have been warned.
1132 // TODO: investigate memory leak of original Gr_cursor bitmap when this is called
1133 void gr_set_cursor_bitmap(int n, int lock)
1135 static int locked = 0;
1138 if (!locked || (lock == GR_CURSOR_UNLOCK)) {
1144 if (lock == GR_CURSOR_LOCK) {
1149 // retrieves the current bitmap
1150 // used in UI_GADGET to save/restore current cursor state
1151 int gr_get_cursor_bitmap()
1157 int Gr_bitmap_poly = 0;
1160 Gr_bitmap_poly = !Gr_bitmap_poly;
1163 dc_printf("Using poly bitmaps\n");
1165 dc_printf("Using LFB bitmaps\n");
1169 // new bitmap functions
1170 void gr_bitmap(int x, int y)
1172 int section_x, section_y;
1176 // d3d and glide support texture poly shiz
1177 if(((gr_screen.mode == GR_DIRECT3D) || (gr_screen.mode == GR_GLIDE)) && Gr_bitmap_poly){
1179 // float u_scale, v_scale;
1180 bitmap_section_info *sections;
1182 // render all sections
1183 bm_get_info(gr_screen.current_bitmap, &w, &h, NULL, NULL, NULL, §ions);
1186 for(idx=0; idx<sections->num_y; idx++){
1188 for(s_idx=0; s_idx<sections->num_x; s_idx++){
1189 // get the section as a texture in vram
1190 gr_set_bitmap(gr_screen.current_bitmap, gr_screen.current_alphablend_mode, gr_screen.current_bitblt_mode, gr_screen.current_alpha, s_idx, idx);
1192 // determine the width and height of this section
1193 bm_get_section_size(gr_screen.current_bitmap, s_idx, idx, §ion_x, §ion_y);
1196 g3_draw_2d_poly_bitmap(x + x_line, y + y_line, section_x, section_y, TMAP_FLAG_BITMAP_SECTION);
1197 x_line += section_x;
1199 y_line += section_y;
1206 // old school bitmaps
1207 switch(gr_screen.mode){
1214 gr_d3d_bitmap(x, y);
1219 gr_glide_bitmap(x, y);
1224 gr_opengl_bitmap(x, y);
1229 void gr_bitmap_ex(int x, int y, int w, int h, int sx, int sy)
1231 switch(gr_screen.mode){
1234 grx_bitmap_ex(x, y, w, h, sx, sy);
1238 gr_d3d_bitmap_ex(x, y, w, h, sx, sy);
1243 gr_glide_bitmap_ex(x, y, w, h, sx, sy);
1248 gr_opengl_bitmap_ex(x, y, w, h, sx, sy);
1252 // given endpoints, and thickness, calculate coords of the endpoint
1253 void gr_pline_helper(vector *out, vector *in1, vector *in2, int thickness)
1257 // slope of the line
1258 if(vm_vec_same(in1, in2)){
1259 slope = vmd_zero_vector;
1261 vm_vec_sub(&slope, in2, in1);
1262 float temp = -slope.x;
1265 vm_vec_normalize(&slope);
1269 vm_vec_scale_add(out, in1, &slope, (float)thickness);
1272 // special function for drawing polylines. this function is specifically intended for
1273 // polylines where each section is no more than 90 degrees away from a previous section.
1274 // Moreover, it is _really_ intended for use with 45 degree angles.
1275 void gr_pline_special(vector **pts, int num_pts, int thickness)
1277 vector s1, s2, e1, e2, dir;
1278 vector last_e1, last_e2;
1280 vertex *verts[4] = {&v[0], &v[1], &v[2], &v[3]};
1281 int saved_zbuffer_mode, idx;
1282 int started_frame = 0;
1286 // if we have less than 2 pts, bail
1291 extern int G3_count;
1297 // turn off zbuffering
1298 saved_zbuffer_mode = gr_zbuffer_get();
1299 gr_zbuffer_set(GR_ZBUFF_NONE);
1304 // draw each section
1305 last_e1 = vmd_zero_vector;
1306 last_e2 = vmd_zero_vector;
1307 for(idx=0; idx<num_pts-1; idx++){
1308 // get the start and endpoints
1309 s1 = *pts[idx]; // start 1 (on the line)
1310 gr_pline_helper(&s2, pts[idx], pts[idx+1], thickness); // start 2
1311 e1 = *pts[idx+1]; // end 1 (on the line)
1312 vm_vec_sub(&dir, pts[idx+1], pts[idx]);
1313 vm_vec_add(&e2, &s2, &dir); // end 2
1316 v[0].sx = (float)ceil(s1.x);
1317 v[0].sy = (float)ceil(s1.y);
1321 v[0].flags = PF_PROJECTED;
1323 v[0].r = gr_screen.current_color.red;
1324 v[0].g = gr_screen.current_color.green;
1325 v[0].b = gr_screen.current_color.blue;
1327 v[1].sx = (float)ceil(s2.x);
1328 v[1].sy = (float)ceil(s2.y);
1332 v[1].flags = PF_PROJECTED;
1334 v[1].r = gr_screen.current_color.red;
1335 v[1].g = gr_screen.current_color.green;
1336 v[1].b = gr_screen.current_color.blue;
1338 v[2].sx = (float)ceil(e2.x);
1339 v[2].sy = (float)ceil(e2.y);
1343 v[2].flags = PF_PROJECTED;
1345 v[2].r = gr_screen.current_color.red;
1346 v[2].g = gr_screen.current_color.green;
1347 v[2].b = gr_screen.current_color.blue;
1349 v[3].sx = (float)ceil(e1.x);
1350 v[3].sy = (float)ceil(e1.y);
1354 v[3].flags = PF_PROJECTED;
1356 v[3].r = gr_screen.current_color.red;
1357 v[3].g = gr_screen.current_color.green;
1358 v[3].b = gr_screen.current_color.blue;
1361 g3_draw_poly_constant_sw(4, verts, TMAP_FLAG_GOURAUD | TMAP_FLAG_RGB, 0.1f);
1363 // if we're past the first section, draw a "patch" triangle to fill any gaps
1366 v[0].sx = (float)ceil(s1.x);
1367 v[0].sy = (float)ceil(s1.y);
1371 v[0].flags = PF_PROJECTED;
1373 v[0].r = gr_screen.current_color.red;
1374 v[0].g = gr_screen.current_color.green;
1375 v[0].b = gr_screen.current_color.blue;
1377 v[1].sx = (float)ceil(s2.x);
1378 v[1].sy = (float)ceil(s2.y);
1382 v[1].flags = PF_PROJECTED;
1384 v[1].r = gr_screen.current_color.red;
1385 v[1].g = gr_screen.current_color.green;
1386 v[1].b = gr_screen.current_color.blue;
1389 v[2].sx = (float)ceil(last_e2.x);
1390 v[2].sy = (float)ceil(last_e2.y);
1394 v[2].flags = PF_PROJECTED;
1396 v[2].r = gr_screen.current_color.red;
1397 v[2].g = gr_screen.current_color.green;
1398 v[2].b = gr_screen.current_color.blue;
1400 g3_draw_poly_constant_sw(3, verts, TMAP_FLAG_GOURAUD | TMAP_FLAG_RGB, 0.1f);
1403 // store our endpoints
1412 // restore zbuffer mode
1413 gr_zbuffer_set(saved_zbuffer_mode);