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Comparing deliantra/Deliantra-Client/Client.xs (file contents):
Revision 1.299 by root, Tue Dec 22 01:37:41 2009 UTC vs.
Revision 1.310 by root, Tue Dec 27 07:23:33 2011 UTC

… …
99 99
100#define KMOD_LRAM 0x10000 // our extension 100#define KMOD_LRAM 0x10000 // our extension
101 101
102#define TEXID_SPEECH 1 102#define TEXID_SPEECH 1
103#define TEXID_NOFACE 2 103#define TEXID_NOFACE 2
104
105static char *
106fast_sv_grow (SV *sv, STRLEN need)
107{
108 STRLEN len = SvLEN (sv);
109 STRLEN want = SvCUR (sv) + need;
110
111 if (expect_false (len < want))
112 {
113 do
114 len *= 2;
115 while (len < want);
116
117 sv_grow (sv, len);
118 }
119
120 SvCUR_set (sv, want);
121 return SvEND (sv) - need;
122}
104 123
105static AV *texture_av; 124static AV *texture_av;
106 125
107static struct 126static struct
108{ 127{
… …
463 482
464 SDL_PushEvent ((SDL_Event *)&ev); 483 SDL_PushEvent ((SDL_Event *)&ev);
465} 484}
466 485
467static unsigned int 486static unsigned int
487div255 (unsigned int n)
488{
489 return (n + (n >> 8)) >> 8;
490}
491
492static unsigned int
468minpot (unsigned int n) 493minpot (unsigned int n)
469{ 494{
470 if (!n) 495 if (!n)
471 return 0; 496 return 0;
472 497
… …
555 580
556static void 581static void
557deliantra_main () 582deliantra_main ()
558{ 583{
559 char *argv[] = { 0 }; 584 char *argv[] = { 0 };
560 call_argv ("::main", G_DISCARD | G_VOID, argv); 585 call_argv ("DC::Main::main", G_DISCARD | G_VOID, argv);
561} 586}
562 587
563#ifdef __MACOSX__ 588#ifdef __MACOSX__
564 /* to due surprising braindamage on the side of SDL design, we 589 /* to due surprising braindamage on the side of SDL design, we
565 * do some mind-boggling hack here: SDL requires a custom main() 590 * do some mind-boggling hack here: SDL requires a custom main()
566 * on OS X, so... we provide one and call the original main(), which, 591 * on OS X, so... we provide one and call the original main(), which,
567 * due to share dlibrary magic, calls -lSDLmain's main, not perl's main, 592 * due to shared library magic, calls -lSDLmain's main, not perl's main,
568 * and which calls our main (== SDL_main) back. 593 * and which calls our main (== SDL_main) back.
569 */ 594 */
570 extern C_LINKAGE int 595 extern C_LINKAGE int
571 main (int argc, char *argv[]) 596 main (int argc, char *argv[])
572 { 597 {
… …
796 821
797 const_iv (FOW_DARKNESS) 822 const_iv (FOW_DARKNESS)
798# undef const_iv 823# undef const_iv
799 }; 824 };
800 825
801 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 826 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
802 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 827 newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
803 828
804 assert (SDLK_MODIFIER_MIN == SDLK_NUMLOCK); 829 assert (SDLK_MODIFIER_MIN == SDLK_NUMLOCK);
805 assert (SDLK_MODIFIER_MAX == SDLK_COMPOSE); 830 assert (SDLK_MODIFIER_MAX == SDLK_COMPOSE);
806} 831}
807 832
… …
1027 1052
1028 XPUSHs (sv_2mortal (sv_bless (newRV_noinc ((SV *)hv), gv_stashpv ("DC::UI::Event", 1)))); 1053 XPUSHs (sv_2mortal (sv_bless (newRV_noinc ((SV *)hv), gv_stashpv ("DC::UI::Event", 1))));
1029 } 1054 }
1030} 1055}
1031 1056
1057char *
1058SDL_AudioDriverName ()
1059 CODE:
1060{
1061 char buf [256];
1062 if (!SDL_AudioDriverName (buf, sizeof (buf)))
1063 XSRETURN_UNDEF;
1064
1065 RETVAL = buf;
1066}
1067 OUTPUT:
1068 RETVAL
1069
1032int 1070int
1033Mix_OpenAudio (int frequency = 44100, int format = MIX_DEFAULT_FORMAT, int channels = 2, int chunksize = 4096) 1071Mix_OpenAudio (int frequency = 44100, int format = MIX_DEFAULT_FORMAT, int channels = 2, int chunksize = 4096)
1034 POSTCALL: 1072 POSTCALL:
1035 Mix_HookMusicFinished (music_finished); 1073 Mix_HookMusicFinished (music_finished);
1036 Mix_ChannelFinished (channel_finished); 1074 Mix_ChannelFinished (channel_finished);
… …
1098add_font (char *file) 1136add_font (char *file)
1099 CODE: 1137 CODE:
1100 RETVAL = FcConfigAppFontAddFile (0, (const FcChar8 *)file); 1138 RETVAL = FcConfigAppFontAddFile (0, (const FcChar8 *)file);
1101 OUTPUT: 1139 OUTPUT:
1102 RETVAL 1140 RETVAL
1141
1142void
1143IMG_Init (int flags = IMG_INIT_JPG | IMG_INIT_PNG)
1144
1145void
1146Mix_Init (int flags = MIX_INIT_MOD | MIX_INIT_MP3 | MIX_INIT_OGG)
1103 1147
1104void 1148void
1105load_image_inline (SV *image_) 1149load_image_inline (SV *image_)
1106 ALIAS: 1150 ALIAS:
1107 load_image_file = 1 1151 load_image_file = 1
… …
1676draw_fow_texture (float intensity, int hidden_tex, int name1, uint8_t *data1, float s, float t, int w, int h, float blend = 0.f, int dx = 0, int dy = 0, int name2 = 0, uint8_t *data2 = data1) 1720draw_fow_texture (float intensity, int hidden_tex, int name1, uint8_t *data1, float s, float t, int w, int h, float blend = 0.f, int dx = 0, int dy = 0, int name2 = 0, uint8_t *data2 = data1)
1677 PROTOTYPE: @ 1721 PROTOTYPE: @
1678 CODE: 1722 CODE:
1679{ 1723{
1680 glEnable (GL_BLEND); 1724 glEnable (GL_BLEND);
1681 glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_ALPHA); 1725 glBlendFunc (intensity ? GL_SRC_ALPHA : GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
1682 glEnable (GL_TEXTURE_2D); 1726 glEnable (GL_TEXTURE_2D);
1683 glBindTexture (GL_TEXTURE_2D, name1); 1727 glBindTexture (GL_TEXTURE_2D, name1);
1684 1728
1685 glColor3f (intensity, intensity, intensity); 1729 glColor3f (intensity, intensity, intensity);
1686 glPushMatrix (); 1730 glPushMatrix ();
… …
1702 glBindTexture (GL_TEXTURE_2D, name2); 1746 glBindTexture (GL_TEXTURE_2D, name2);
1703 glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE); 1747 glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
1704 1748
1705 /* rgb == rgb(glcolor) */ 1749 /* rgb == rgb(glcolor) */
1706 glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE); 1750 glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE);
1707 glTexEnvi (GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_CONSTANT); 1751 glTexEnvi (GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_PRIMARY_COLOR);
1708 glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR); 1752 glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
1709 1753
1710 /* alpha = interpolate t0, t1 by env_alpha */ 1754 /* alpha = interpolate t0, t1 by env_alpha */
1711 glTexEnvfv (GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, env_color); 1755 glTexEnvfv (GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, env_color);
1712 1756
… …
2099 ? self->row + y 2143 ? self->row + y
2100 : 0; 2144 : 0;
2101 2145
2102 for (x = x0; x < x1; x++) 2146 for (x = x0; x < x1; x++)
2103 { 2147 {
2104 int r = 32, g = 32, b = 32, a = 192; 2148 unsigned int r = 32, g = 32, b = 32, a = 192;
2105 2149
2106 if (row && row->c0 <= x && x < row->c1) 2150 if (row && row->c0 <= x && x < row->c1)
2107 { 2151 {
2108 mapcell *cell = row->col + (x - row->c0); 2152 mapcell *cell = row->col + (x - row->c0);
2109 2153
… …
2111 { 2155 {
2112 maptex tex = self->tex [cell->tile [z]]; 2156 maptex tex = self->tex [cell->tile [z]];
2113 int a0 = 255 - tex.a; 2157 int a0 = 255 - tex.a;
2114 int a1 = tex.a; 2158 int a1 = tex.a;
2115 2159
2116 r = (r * a0 + tex.r * a1) / 255; 2160 r = div255 (r * a0 + tex.r * a1);
2117 g = (g * a0 + tex.g * a1) / 255; 2161 g = div255 (g * a0 + tex.g * a1);
2118 b = (b * a0 + tex.b * a1) / 255; 2162 b = div255 (b * a0 + tex.b * a1);
2119 a = (a * a0 + tex.a * a1) / 255; 2163 a = div255 (a * a0 + tex.a * a1);
2120 } 2164 }
2121 } 2165 }
2122 2166
2123 *map++ = (r ) 2167 *map++ = (r )
2124 | (g << 8) 2168 | (g << 8)
… …
2131} 2175}
2132 OUTPUT: 2176 OUTPUT:
2133 RETVAL 2177 RETVAL
2134 2178
2135void 2179void
2136draw (DC::Map self, int mx, int my, int sw, int sh, int T, U32 player = 0xffffffff, int sdx = 0, int sdy = 0) 2180draw (DC::Map self, int mx, int my, int sw, int sh, int Tw, int Th, U32 player = 0xffffffff, int sdx = 0, int sdy = 0)
2137 CODE: 2181 CODE:
2138{ 2182{
2139 int x, y, z; 2183 int x, y, z;
2140 2184
2141 HV *smooth = (HV *)sv_2mortal ((SV *)newHV ()); 2185 HV *smooth = (HV *)sv_2mortal ((SV *)newHV ());
… …
2225 2269
2226 key.texname = tex.name; 2270 key.texname = tex.name;
2227 arr = rc_array (rc, &key); 2271 arr = rc_array (rc, &key);
2228 } 2272 }
2229 2273
2230 px = (x + 1) * T - tex.w; 2274 px = (x + 1) * Th - tex.w;
2231 py = (y + 1) * T - tex.h; 2275 py = (y + 1) * Tw - tex.h;
2232 2276
2233 if (expect_false (cell->player == player) && expect_false (z == 2)) 2277 if (expect_false (cell->player == player) && expect_false (z == 2))
2234 { 2278 {
2235 pl_x = px; 2279 pl_x = px;
2236 pl_y = py; 2280 pl_y = py;
… …
2289 if (cell->flags & 1) 2333 if (cell->flags & 1)
2290 { 2334 {
2291 rc_key_t key_ov = key; 2335 rc_key_t key_ov = key;
2292 maptex tex = self->tex [TEXID_SPEECH]; 2336 maptex tex = self->tex [TEXID_SPEECH];
2293 rc_array_t *arr; 2337 rc_array_t *arr;
2294 int px = x * T + T * 2 / 32; 2338 int px = x * Tw + Tw * 2 / 32;
2295 int py = y * T - T * 6 / 32; 2339 int py = y * Th - Th * 6 / 32;
2296 2340
2297 key_ov.texname = tex.name; 2341 key_ov.texname = tex.name;
2298 arr = rc_array (rc_ov, &key_ov); 2342 arr = rc_array (rc_ov, &key_ov);
2299 2343
2300 rc_t2f_v3f (arr, 0 , 0 , px , py , 0); 2344 rc_t2f_v3f (arr, 0 , 0 , px , py , 0);
2301 rc_t2f_v3f (arr, 0 , tex.t, px , py + T, 0); 2345 rc_t2f_v3f (arr, 0 , tex.t, px , py + Th, 0);
2302 rc_t2f_v3f (arr, tex.s, tex.t, px + T, py + T, 0); 2346 rc_t2f_v3f (arr, tex.s, tex.t, px + Tw, py + Th, 0);
2303 rc_t2f_v3f (arr, tex.s, 0 , px + T, py , 0); 2347 rc_t2f_v3f (arr, tex.s, 0 , px + Tw, py , 0);
2304 } 2348 }
2305 } 2349 }
2306 } 2350 }
2307 } 2351 }
2308 2352
… …
2335 if (!(bits & 0x1000) 2379 if (!(bits & 0x1000)
2336 && skey->level == level 2380 && skey->level == level
2337 && level > smooth_max [skey->x][skey->y]) 2381 && level > smooth_max [skey->x][skey->y])
2338 { 2382 {
2339 maptex tex = self->tex [skey->tile]; 2383 maptex tex = self->tex [skey->tile];
2340 int px = (((int)skey->x) - 1) * T; 2384 int px = (((int)skey->x) - 1) * Tw;
2341 int py = (((int)skey->y) - 1) * T; 2385 int py = (((int)skey->y) - 1) * Th;
2342 int border = bits & 15; 2386 int border = bits & 15;
2343 int corner = (bits >> 8) & ~(bits >> 4) & 15; 2387 int corner = (bits >> 8) & ~(bits >> 4) & 15;
2344 float dx = tex.s * .0625f; // 16 images/row 2388 float dx = tex.s * .0625f; // 16 images/row
2345 float dy = tex.t * .5f ; // 2 images/column 2389 float dy = tex.t * .5f ; // 2 images/column
2346 2390
… …
2359 2403
2360 if (border) 2404 if (border)
2361 { 2405 {
2362 float ox = border * dx; 2406 float ox = border * dx;
2363 2407
2364 glTexCoord2f (ox , 0.f ); glVertex2i (px , py ); 2408 glTexCoord2f (ox , 0.f ); glVertex2i (px , py );
2365 glTexCoord2f (ox , dy ); glVertex2i (px , py + T); 2409 glTexCoord2f (ox , dy ); glVertex2i (px , py + Th);
2366 glTexCoord2f (ox + dx, dy ); glVertex2i (px + T, py + T); 2410 glTexCoord2f (ox + dx, dy ); glVertex2i (px + Tw, py + Th);
2367 glTexCoord2f (ox + dx, 0.f ); glVertex2i (px + T, py ); 2411 glTexCoord2f (ox + dx, 0.f ); glVertex2i (px + Tw, py );
2368 } 2412 }
2369 2413
2370 if (corner) 2414 if (corner)
2371 { 2415 {
2372 float ox = corner * dx; 2416 float ox = corner * dx;
2373 2417
2374 glTexCoord2f (ox , dy ); glVertex2i (px , py ); 2418 glTexCoord2f (ox , dy ); glVertex2i (px , py );
2375 glTexCoord2f (ox , dy * 2.f); glVertex2i (px , py + T); 2419 glTexCoord2f (ox , dy * 2.f); glVertex2i (px , py + Th);
2376 glTexCoord2f (ox + dx, dy * 2.f); glVertex2i (px + T, py + T); 2420 glTexCoord2f (ox + dx, dy * 2.f); glVertex2i (px + Tw, py + Th);
2377 glTexCoord2f (ox + dx, dy ); glVertex2i (px + T, py ); 2421 glTexCoord2f (ox + dx, dy ); glVertex2i (px + Tw, py );
2378 } 2422 }
2379 } 2423 }
2380 } 2424 }
2381 } 2425 }
2382 } 2426 }
… …
2423 for (x = 0; x < sw; x++) 2467 for (x = 0; x < sw; x++)
2424 if (row->c0 <= x + mx && x + mx < row->c1) 2468 if (row->c0 <= x + mx && x + mx < row->c1)
2425 { 2469 {
2426 mapcell *cell = row->col + (x + mx - row->c0); 2470 mapcell *cell = row->col + (x + mx - row->c0);
2427 2471
2428 int px = x * T; 2472 int px = x * Tw;
2429 int py = y * T; 2473 int py = y * Th;
2430 2474
2431 if (expect_false (cell->player == player)) 2475 if (expect_false (cell->player == player))
2432 { 2476 {
2433 px += sdx; 2477 px += sdx;
2434 py += sdy; 2478 py += sdy;
2435 } 2479 }
2436 2480
2437 if (cell->stat_hp) 2481 if (cell->stat_hp)
2438 { 2482 {
2439 int width = cell->stat_width * T; 2483 int width = cell->stat_width * Tw;
2440 int thick = (sh * T / 32 + 27) / 28 + 1 + cell->stat_width; 2484 int thick = (sh * Th / 32 + 27) / 28 + 1 + cell->stat_width;
2441 2485
2442 glColor3ub (0, 0, 0); 2486 glColor3ub (0, 0, 0);
2443 glRectf (px + 1, py - thick - 2, 2487 glRectf (px + 1, py - thick - 2,
2444 px + width - 1, py); 2488 px + width - 1, py);
2445 2489
… …
2525 int x, y; 2569 int x, y;
2526 int sw1 = sw + 2; 2570 int sw1 = sw + 2;
2527 int sh1 = sh + 2; 2571 int sh1 = sh + 2;
2528 int sh3 = sh * 3; 2572 int sh3 = sh * 3;
2529 int sw3 = sw * 3; 2573 int sw3 = sw * 3;
2530 uint8_t *darkness1 = (uint8_t *)malloc (sw1 * sh1);
2531 SV *darkness3_sv = sv_2mortal (newSV (sw3 * sh3)); 2574 SV *darkness3_sv = sv_2mortal (newSV (sw3 * sh3));
2532 uint8_t *darkness3 = (uint8_t *)SvPVX (darkness3_sv); 2575 uint8_t *darkness3 = (uint8_t *)SvPVX (darkness3_sv);
2576 uint8_t *darkness1 = (uint8_t *)malloc (sw1 * sh1);
2577 memset (darkness1, 0, sw1*sh1);
2533 2578
2534 SvPOK_only (darkness3_sv); 2579 SvPOK_only (darkness3_sv);
2535 SvCUR_set (darkness3_sv, sw3 * sh3); 2580 SvCUR_set (darkness3_sv, sw3 * sh3);
2536 2581
2537 mx += self->x - 1; 2582 mx += self->x - 1;
… …
2798 if (RETVAL < 0) 2843 if (RETVAL < 0)
2799 { 2844 {
2800 RETVAL = Mix_GroupOldest (-1); 2845 RETVAL = Mix_GroupOldest (-1);
2801 2846
2802 if (RETVAL < 0) 2847 if (RETVAL < 0)
2848 {
2849 // happens sometimes, maybe it just stopped playing(?)
2850 RETVAL = Mix_GroupAvailable (-1);
2851
2852 if (RETVAL < 0)
2803 XSRETURN_UNDEF; 2853 XSRETURN_UNDEF;
2804 2854 }
2855 else
2805 Mix_HaltChannel (RETVAL); 2856 Mix_HaltChannel (RETVAL);
2806 } 2857 }
2807 2858
2808 Mix_UnregisterAllEffects (RETVAL); 2859 Mix_UnregisterAllEffects (RETVAL);
2809 Mix_Volume (RETVAL, 128); 2860 Mix_Volume (RETVAL, 128);
2810} 2861}
… …
2869 Mix_SetReverseStereo (self, flip); 2920 Mix_SetReverseStereo (self, flip);
2870 2921
2871MODULE = Deliantra::Client PACKAGE = DC::MixChunk 2922MODULE = Deliantra::Client PACKAGE = DC::MixChunk
2872 2923
2873PROTOTYPES: DISABLE 2924PROTOTYPES: DISABLE
2925
2926void
2927decoders ()
2928 PPCODE:
2929#if SDL_MIXER_MAJOR_VERSION > 1 || SDL_MIXER_MINOR_VERSION > 2 || SDL_MIXER_PATCHLEVEL >= 10
2930 int i, num = Mix_GetNumChunkDecoders ();
2931 EXTEND (SP, num);
2932 for (i = 0; i < num; ++i)
2933 PUSHs (sv_2mortal (newSVpv (Mix_GetChunkDecoder (i), 0)));
2934#else
2935 XPUSHs (sv_2mortal (newSVpv ("(sdl mixer too old)", 0)));
2936#endif
2874 2937
2875DC::MixChunk 2938DC::MixChunk
2876new (SV *class, DC::RW rwops) 2939new (SV *class, DC::RW rwops)
2877 CODE: 2940 CODE:
2878 RETVAL = Mix_LoadWAV_RW (rwops, 1); 2941 RETVAL = Mix_LoadWAV_RW (rwops, 1);
… …
2911 OUTPUT: 2974 OUTPUT:
2912 RETVAL 2975 RETVAL
2913 2976
2914MODULE = Deliantra::Client PACKAGE = DC::MixMusic 2977MODULE = Deliantra::Client PACKAGE = DC::MixMusic
2915 2978
2979void
2980decoders ()
2981 PPCODE:
2982#if SDL_MIXER_MAJOR_VERSION > 1 || SDL_MIXER_MINOR_VERSION > 2 || SDL_MIXER_PATCHLEVEL >= 10
2983 int i, num = Mix_GetNumMusicDecoders ();
2984 EXTEND (SP, num);
2985 for (i = 0; i < num; ++i)
2986 PUSHs (sv_2mortal (newSVpv (Mix_GetMusicDecoder (i), 0)));
2987#else
2988 XPUSHs (sv_2mortal (newSVpv ("(sdl mixer too old)", 0)));
2989#endif
2990
2916int 2991int
2917volume (int volume = -1) 2992volume (int volume = -1)
2918 PROTOTYPE: ;$ 2993 PROTOTYPE: ;$
2919 CODE: 2994 CODE:
2920 if (items > 0) 2995 if (items > 0)
… …
2930 3005
2931void 3006void
2932halt () 3007halt ()
2933 CODE: 3008 CODE:
2934 Mix_HaltMusic (); 3009 Mix_HaltMusic ();
3010
3011int
3012playing ()
3013 CODE:
3014 RETVAL = Mix_PlayingMusic ();
3015 OUTPUT:
3016 RETVAL
2935 3017
2936DC::MixMusic 3018DC::MixMusic
2937new (SV *class, DC::RW rwops) 3019new (SV *class, DC::RW rwops)
2938 CODE: 3020 CODE:
2939 RETVAL = Mix_LoadMUS_RW (rwops); 3021 RETVAL = Mix_LoadMUS_RW (rwops);
… …
3079 const_iv (GL_FUNC_SUBTRACT), 3161 const_iv (GL_FUNC_SUBTRACT),
3080 const_iv (GL_FUNC_REVERSE_SUBTRACT), 3162 const_iv (GL_FUNC_REVERSE_SUBTRACT),
3081# undef const_iv 3163# undef const_iv
3082 }; 3164 };
3083 3165
3084 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 3166 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
3085 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 3167 newCONSTSUB (stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
3086 3168
3087 texture_av = newAV (); 3169 texture_av = newAV ();
3088 AvREAL_off (texture_av); 3170 AvREAL_off (texture_av);
3089} 3171}
3090 3172
… …
3133 RETVAL 3215 RETVAL
3134 3216
3135int glGetError () 3217int glGetError ()
3136 3218
3137void glFinish () 3219void glFinish ()
3220
3221void glFlush ()
3138 3222
3139void glClear (int mask) 3223void glClear (int mask)
3140 3224
3141void glClearColor (float r, float g, float b, float a = 1.0) 3225void glClearColor (float r, float g, float b, float a = 1.0)
3142 PROTOTYPE: @ 3226 PROTOTYPE: @

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