/* Copyright (C) 1996-2001 Id Software, Inc. Copyright (C) 2002-2009 John Fitzgibbons and others Copyright (C) 2007-2008 Kristian Duske Copyright (C) 2010 Ozkan Sezer and Steven Atkinson This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ // gl_vidsdl.c -- SDL GL vid component #include "quakedef.h" #include "cfgfile.h" #include "bgmusic.h" #include "resource.h" #if defined(SDL_FRAMEWORK) || defined(NO_SDL_CONFIG) #include #else #include "SDL.h" #endif #define MAX_MODE_LIST 600 //johnfitz -- was 30 #define MAX_BPPS_LIST 5 #define WARP_WIDTH 320 #define WARP_HEIGHT 200 #define MAXWIDTH 10000 #define MAXHEIGHT 10000 #define DEFAULT_SDL_FLAGS SDL_OPENGL typedef struct { int width; int height; int bpp; } vmode_t; static const char *gl_vendor; static const char *gl_renderer; static const char *gl_version; static const char *gl_extensions; static char * gl_extensions_nice; static vmode_t modelist[MAX_MODE_LIST]; static int nummodes; static qboolean vid_initialized = false; static SDL_Surface *draw_context; static qboolean vid_locked = false; //johnfitz static qboolean vid_changed = false; static void VID_Menu_Init (void); //johnfitz static void VID_Menu_f (void); //johnfitz static void VID_MenuDraw (void); static void VID_MenuKey (int key); static void ClearAllStates (void); static void GL_Init (void); static void GL_SetupState (void); //johnfitz viddef_t vid; // global video state modestate_t modestate = MS_UNINIT; qboolean scr_skipupdate; qboolean gl_mtexable = false; qboolean gl_texture_env_combine = false; //johnfitz qboolean gl_texture_env_add = false; //johnfitz qboolean gl_swap_control = false; //johnfitz qboolean gl_anisotropy_able = false; //johnfitz float gl_max_anisotropy; //johnfitz PFNGLMULTITEXCOORD2FARBPROC GL_MTexCoord2fFunc = NULL; //johnfitz PFNGLACTIVETEXTUREARBPROC GL_SelectTextureFunc = NULL; //johnfitz //==================================== //johnfitz -- new cvars static cvar_t vid_fullscreen = {"vid_fullscreen", "0", CVAR_ARCHIVE}; // QuakeSpasm, was "1" static cvar_t vid_width = {"vid_width", "800", CVAR_ARCHIVE}; // QuakeSpasm, was 640 static cvar_t vid_height = {"vid_height", "600", CVAR_ARCHIVE}; // QuakeSpasm, was 480 static cvar_t vid_bpp = {"vid_bpp", "16", CVAR_ARCHIVE}; static cvar_t vid_vsync = {"vid_vsync", "0", CVAR_ARCHIVE}; //johnfitz cvar_t vid_gamma = {"gamma", "1", CVAR_ARCHIVE}; //johnfitz -- moved here from view.c //========================================================================== // // HARDWARE GAMMA -- johnfitz // //========================================================================== static unsigned short vid_gamma_red[256]; static unsigned short vid_gamma_green[256]; static unsigned short vid_gamma_blue[256]; static unsigned short vid_sysgamma_red[256]; static unsigned short vid_sysgamma_green[256]; static unsigned short vid_sysgamma_blue[256]; static int vid_gammaworks; /* ================ VID_Gamma_SetGamma -- apply gamma correction ================ */ static void VID_Gamma_SetGamma (void) { if (draw_context && vid_gammaworks) { if (SDL_SetGammaRamp(&vid_gamma_red[0], &vid_gamma_green[0], &vid_gamma_blue[0]) == -1) Con_Printf ("VID_Gamma_SetGamma: failed on SDL_SetGammaRamp\n"); } } /* ================ VID_Gamma_Restore -- restore system gamma ================ */ static void VID_Gamma_Restore (void) { if (draw_context && vid_gammaworks) { if (SDL_SetGammaRamp(&vid_sysgamma_red[0], &vid_sysgamma_green[0], &vid_sysgamma_blue[0]) == -1) Con_Printf ("VID_Gamma_Restore: failed on SDL_SetGammaRamp\n"); } } /* ================ VID_Gamma_Shutdown -- called on exit ================ */ static void VID_Gamma_Shutdown (void) { VID_Gamma_Restore (); } /* ================ VID_Gamma_f -- callback when the cvar changes ================ */ static void VID_Gamma_f (cvar_t *var) { int i; for (i = 0; i < 256; i++) { vid_gamma_red[i] = CLAMP(0, (int) (255 * pow((i + 0.5)/255.5, var->value) + 0.5), 255) << 8; vid_gamma_green[i] = vid_gamma_red[i]; vid_gamma_blue[i] = vid_gamma_red[i]; } VID_Gamma_SetGamma (); } /* ================ VID_Gamma_Init -- call on init ================ */ static void VID_Gamma_Init (void) { vid_gammaworks = false; if (SDL_GetGammaRamp (&vid_sysgamma_red[0], &vid_sysgamma_green[0], &vid_sysgamma_blue[0]) != -1) vid_gammaworks = true; Cvar_RegisterVariable (&vid_gamma); Cvar_SetCallback (&vid_gamma, VID_Gamma_f); } /* ================ VID_ValidMode ================ */ static qboolean VID_ValidMode (int width, int height, int bpp, qboolean fullscreen) { Uint32 flags = DEFAULT_SDL_FLAGS; if (width < 320) return false; if (height < 200) return false; if (fullscreen) flags |= SDL_FULLSCREEN; bpp = SDL_VideoModeOK(width, height, bpp, flags); switch (bpp) { case 16: case 24: case 32: break; default: return false; } return true; } /* ================ VID_SetMode ================ */ static int VID_SetMode (int width, int height, int bpp, qboolean fullscreen) { int temp; Uint32 flags = DEFAULT_SDL_FLAGS; char caption[50]; if (fullscreen) flags |= SDL_FULLSCREEN; // so Con_Printfs don't mess us up by forcing vid and snd updates temp = scr_disabled_for_loading; scr_disabled_for_loading = true; CDAudio_Pause (); BGM_Pause (); // // swap control (the "before SDL_SetVideoMode" part) // gl_swap_control = true; if (SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, (vid_vsync.value) ? 1 : 0) == -1) gl_swap_control = false; bpp = SDL_VideoModeOK(width, height, bpp, flags); draw_context = SDL_SetVideoMode(width, height, bpp, flags); if (!draw_context) Sys_Error ("Couldn't set video mode"); q_snprintf(caption, sizeof(caption), "QuakeSpasm %1.2f.%d", (float)FITZQUAKE_VERSION, QUAKESPASM_VER_PATCH); SDL_WM_SetCaption(caption, caption); vid.width = draw_context->w; vid.height = draw_context->h; vid.conwidth = vid.width & 0xFFFFFFF8; vid.conheight = vid.conwidth * vid.height / vid.width; vid.numpages = 2; modestate = draw_context->flags & SDL_FULLSCREEN ? MS_FULLSCREEN : MS_WINDOWED; CDAudio_Resume (); BGM_Resume (); scr_disabled_for_loading = temp; // fix the leftover Alt from any Alt-Tab or the like that switched us away ClearAllStates (); Con_SafePrintf ("Video mode %dx%dx%d initialized\n", draw_context->w, draw_context->h, draw_context->format->BitsPerPixel); vid.recalc_refdef = 1; // no pending changes vid_changed = false; return true; } /* =================== VID_Changed_f -- kristian -- notify us that a value has changed that requires a vid_restart =================== */ static void VID_Changed_f (cvar_t *var) { vid_changed = true; } /* =================== VID_Restart -- johnfitz -- change video modes on the fly =================== */ static void VID_Restart (void) { int width, height, bpp; qboolean fullscreen; if (vid_locked || !vid_changed) return; width = (int)vid_width.value; height = (int)vid_height.value; bpp = (int)vid_bpp.value; fullscreen = vid_fullscreen.value ? true : false; // // validate new mode // if (!VID_ValidMode (width, height, bpp, fullscreen)) { Con_Printf ("%dx%dx%d %s is not a valid mode\n", width, height, bpp, fullscreen? "fullscreen" : "windowed"); return; } // // set new mode // VID_SetMode (width, height, bpp, fullscreen); GL_Init (); TexMgr_ReloadImages (); GL_SetupState (); //warpimages needs to be recalculated TexMgr_RecalcWarpImageSize (); //conwidth and conheight need to be recalculated vid.conwidth = (scr_conwidth.value > 0) ? (int)scr_conwidth.value : (scr_conscale.value > 0) ? (int)(vid.width/scr_conscale.value) : vid.width; vid.conwidth = CLAMP (320, vid.conwidth, vid.width); vid.conwidth &= 0xFFFFFFF8; vid.conheight = vid.conwidth * vid.height / vid.width; // // keep cvars in line with actual mode // VID_SyncCvars(); // // update mouse grab // if (key_dest == key_console || key_dest == key_menu) { if (modestate == MS_WINDOWED) IN_Deactivate(true); else if (modestate == MS_FULLSCREEN) IN_Activate(); } } /* ================ VID_Test -- johnfitz -- like vid_restart, but asks for confirmation after switching modes ================ */ static void VID_Test (void) { int old_width, old_height, old_bpp, old_fullscreen; if (vid_locked || !vid_changed) return; // // now try the switch // old_width = draw_context->w; old_height = draw_context->h; old_bpp = draw_context->format->BitsPerPixel; old_fullscreen = draw_context->flags & SDL_FULLSCREEN ? true : false; VID_Restart (); //pop up confirmation dialoge if (!SCR_ModalMessage("Would you like to keep this\nvideo mode? (y/n)\n", 5.0f)) { //revert cvars and mode Cvar_SetValueQuick (&vid_width, old_width); Cvar_SetValueQuick (&vid_height, old_height); Cvar_SetValueQuick (&vid_bpp, old_bpp); Cvar_SetQuick (&vid_fullscreen, old_fullscreen ? "1" : "0"); VID_Restart (); } } /* ================ VID_Unlock -- johnfitz ================ */ static void VID_Unlock (void) { vid_locked = false; VID_SyncCvars(); } //============================================================================== // // OPENGL STUFF // //============================================================================== /* =============== GL_MakeNiceExtensionsList -- johnfitz =============== */ static char *GL_MakeNiceExtensionsList (const char *in) { char *copy, *token, *out; int i, count; if (!in) return Z_Strdup("(none)"); //each space will be replaced by 4 chars, so count the spaces before we malloc for (i = 0, count = 1; i < (int) strlen(in); i++) { if (in[i] == ' ') count++; } out = (char *) Z_Malloc (strlen(in) + count*3 + 1); //usually about 1-2k out[0] = 0; copy = (char *) Z_Strdup(in); for (token = strtok(copy, " "); token; token = strtok(NULL, " ")) { strcat(out, "\n "); strcat(out, token); } Z_Free (copy); return out; } /* =============== GL_Info_f -- johnfitz =============== */ static void GL_Info_f (void) { Con_SafePrintf ("GL_VENDOR: %s\n", gl_vendor); Con_SafePrintf ("GL_RENDERER: %s\n", gl_renderer); Con_SafePrintf ("GL_VERSION: %s\n", gl_version); Con_Printf ("GL_EXTENSIONS: %s\n", gl_extensions_nice); } /* =============== GL_CheckExtensions =============== */ static qboolean GL_ParseExtensionList (const char *list, const char *name) { const char *start; const char *where, *terminator; if (!list || !name || !*name) return false; if (strchr(name, ' ') != NULL) return false; // extension names must not have spaces start = list; while (1) { where = strstr (start, name); if (!where) break; terminator = where + strlen (name); if (where == start || where[-1] == ' ') if (*terminator == ' ' || *terminator == '\0') return true; start = terminator; } return false; } static void GL_CheckExtensions (void) { int swap_control; // // multitexture // if (COM_CheckParm("-nomtex")) Con_Warning ("Mutitexture disabled at command line\n"); else if (GL_ParseExtensionList(gl_extensions, "GL_ARB_multitexture")) { GL_MTexCoord2fFunc = (PFNGLMULTITEXCOORD2FARBPROC) SDL_GL_GetProcAddress("glMultiTexCoord2fARB"); GL_SelectTextureFunc = (PFNGLACTIVETEXTUREARBPROC) SDL_GL_GetProcAddress("glActiveTextureARB"); if (GL_MTexCoord2fFunc && GL_SelectTextureFunc) { Con_Printf("FOUND: ARB_multitexture\n"); TEXTURE0 = GL_TEXTURE0_ARB; TEXTURE1 = GL_TEXTURE1_ARB; gl_mtexable = true; } else { Con_Warning ("Couldn't link to multitexture functions\n"); } } else if (GL_ParseExtensionList(gl_extensions, "GL_SGIS_multitexture")) { GL_MTexCoord2fFunc = (PFNGLMULTITEXCOORD2FARBPROC) SDL_GL_GetProcAddress("glMTexCoord2fSGIS"); GL_SelectTextureFunc = (PFNGLACTIVETEXTUREARBPROC) SDL_GL_GetProcAddress("glSelectTextureSGIS"); if (GL_MTexCoord2fFunc && GL_SelectTextureFunc) { Con_Printf("FOUND: SGIS_multitexture\n"); TEXTURE0 = TEXTURE0_SGIS; TEXTURE1 = TEXTURE1_SGIS; gl_mtexable = true; } else { Con_Warning ("Couldn't link to multitexture functions\n"); } } else { Con_Warning ("multitexture not supported (extension not found)\n"); } // // texture_env_combine // if (COM_CheckParm("-nocombine")) Con_Warning ("texture_env_combine disabled at command line\n"); else if (GL_ParseExtensionList(gl_extensions, "GL_ARB_texture_env_combine")) { Con_Printf("FOUND: ARB_texture_env_combine\n"); gl_texture_env_combine = true; } else if (GL_ParseExtensionList(gl_extensions, "GL_EXT_texture_env_combine")) { Con_Printf("FOUND: EXT_texture_env_combine\n"); gl_texture_env_combine = true; } else { Con_Warning ("texture_env_combine not supported\n"); } // // texture_env_add // if (COM_CheckParm("-noadd")) Con_Warning ("texture_env_add disabled at command line\n"); else if (GL_ParseExtensionList(gl_extensions, "GL_ARB_texture_env_add")) { Con_Printf("FOUND: ARB_texture_env_add\n"); gl_texture_env_add = true; } else if (GL_ParseExtensionList(gl_extensions, "GL_EXT_texture_env_add")) { Con_Printf("FOUND: EXT_texture_env_add\n"); gl_texture_env_add = true; } else { Con_Warning ("texture_env_add not supported\n"); } // // swap control (the "after SDL_SetVideoMode" part) // if (!gl_swap_control) { Con_Warning ("vertical sync not supported (SDL_GL_SetAttribute failed)\n"); } else if (SDL_GL_GetAttribute(SDL_GL_SWAP_CONTROL, &swap_control) == -1) { gl_swap_control = false; Con_Warning ("vertical sync not supported (SDL_GL_GetAttribute failed)\n"); } else if ((vid_vsync.value && swap_control != 1) || (!vid_vsync.value && swap_control != 0)) { gl_swap_control = false; Con_Warning ("vertical sync not supported (swap_control doesn't match vid_vsync)\n"); } else { Con_Printf("FOUND: SDL_GL_SWAP_CONTROL\n"); } // // anisotropic filtering // if (GL_ParseExtensionList(gl_extensions, "GL_EXT_texture_filter_anisotropic")) { float test1,test2; GLuint tex; // test to make sure we really have control over it // 1.0 and 2.0 should always be legal values glGenTextures(1, &tex); glBindTexture (GL_TEXTURE_2D, tex); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1.0f); glGetTexParameterfv (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, &test1); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 2.0f); glGetTexParameterfv (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, &test2); glDeleteTextures(1, &tex); if (test1 == 1 && test2 == 2) { Con_Printf("FOUND: EXT_texture_filter_anisotropic\n"); gl_anisotropy_able = true; } else { Con_Warning ("anisotropic filtering locked by driver. Current driver setting is %f\n", test1); } //get max value either way, so the menu and stuff know it glGetFloatv (GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_max_anisotropy); if (gl_max_anisotropy < 2) { gl_anisotropy_able = false; gl_max_anisotropy = 1; Con_Warning ("anisotropic filtering broken: disabled\n"); } } else { gl_max_anisotropy = 1; Con_Warning ("texture_filter_anisotropic not supported\n"); } } /* =============== GL_SetupState -- johnfitz does all the stuff from GL_Init that needs to be done every time a new GL render context is created =============== */ static void GL_SetupState (void) { glClearColor (0.15,0.15,0.15,0); //johnfitz -- originally 1,0,0,0 glCullFace(GL_BACK); //johnfitz -- glquake used CCW with backwards culling -- let's do it right glFrontFace(GL_CW); //johnfitz -- glquake used CCW with backwards culling -- let's do it right glEnable(GL_TEXTURE_2D); glEnable(GL_ALPHA_TEST); glAlphaFunc(GL_GREATER, 0.666); glPolygonMode (GL_FRONT_AND_BACK, GL_FILL); glShadeModel (GL_FLAT); glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); //johnfitz glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); glDepthRange (0, 1); //johnfitz -- moved here becuase gl_ztrick is gone. glDepthFunc (GL_LEQUAL); //johnfitz -- moved here becuase gl_ztrick is gone. } /* =============== GL_Init =============== */ static void GL_Init (void) { gl_vendor = (const char *) glGetString (GL_VENDOR); gl_renderer = (const char *) glGetString (GL_RENDERER); gl_version = (const char *) glGetString (GL_VERSION); gl_extensions = (const char *) glGetString (GL_EXTENSIONS); if (gl_extensions_nice != NULL) Z_Free (gl_extensions_nice); gl_extensions_nice = GL_MakeNiceExtensionsList (gl_extensions); GL_CheckExtensions (); //johnfitz //johnfitz -- intel video workarounds from Baker if (!strcmp(gl_vendor, "Intel")) { Con_Printf ("Intel Display Adapter detected, enabling gl_clear\n"); Cbuf_AddText ("gl_clear 1"); } //johnfitz } /* ================= GL_BeginRendering -- sets values of glx, gly, glwidth, glheight ================= */ void GL_BeginRendering (int *x, int *y, int *width, int *height) { *x = *y = 0; *width = vid.width; *height = vid.height; } /* ================= GL_EndRendering ================= */ void GL_EndRendering (void) { if (!scr_skipupdate) SDL_GL_SwapBuffers(); } void VID_Shutdown (void) { if (vid_initialized) { VID_Gamma_Shutdown (); //johnfitz SDL_QuitSubSystem(SDL_INIT_VIDEO); draw_context = NULL; PL_VID_Shutdown(); } } //========================================================================== /* =================================================================== MAIN WINDOW =================================================================== */ /* ================ ClearAllStates ================ */ static void ClearAllStates (void) { Key_ClearStates (); IN_ClearStates (); } //========================================================================== // // COMMANDS // //========================================================================== /* ================= VID_DescribeCurrentMode_f ================= */ static void VID_DescribeCurrentMode_f (void) { if (draw_context) Con_Printf("%dx%dx%d %s\n", draw_context->w, draw_context->h, draw_context->format->BitsPerPixel, draw_context->flags & SDL_FULLSCREEN ? "fullscreen" : "windowed"); } /* ================= VID_DescribeModes_f -- johnfitz -- changed formatting, and added refresh rates after each mode. ================= */ static void VID_DescribeModes_f (void) { int i; int lastwidth, lastheight, lastbpp, count; lastwidth = lastheight = lastbpp = count = 0; for (i = 0; i < nummodes; i++) { if (lastwidth != modelist[i].width || lastheight != modelist[i].height || lastbpp != modelist[i].bpp) { if (count > 0) Con_SafePrintf ("\n"); Con_SafePrintf (" %4i x %4i x %i", modelist[i].width, modelist[i].height, modelist[i].bpp); lastwidth = modelist[i].width; lastheight = modelist[i].height; lastbpp = modelist[i].bpp; count++; } } Con_Printf ("\n%i modes\n", count); } //========================================================================== // // INIT // //========================================================================== /* ================= VID_InitModelist ================= */ static void VID_InitModelist (void) { SDL_PixelFormat format; SDL_Rect **modes; Uint32 flags; int i, j, k, originalnummodes, existingmode; int bpps[] = {16, 24, 32}; // enumerate >8 bpp modes originalnummodes = nummodes = 0; format.palette = NULL; // enumerate fullscreen modes flags = DEFAULT_SDL_FLAGS | SDL_FULLSCREEN; for (i = 0; i < (int)(sizeof(bpps)/sizeof(bpps[0])); i++) { if (nummodes >= MAX_MODE_LIST) break; format.BitsPerPixel = bpps[i]; modes = SDL_ListModes(&format, flags); if (modes == (SDL_Rect **)0 || modes == (SDL_Rect **)-1) continue; for (j = 0; modes[j]; j++) { if (modes[j]->w > MAXWIDTH || modes[j]->h > MAXHEIGHT || nummodes >= MAX_MODE_LIST) continue; modelist[nummodes].width = modes[j]->w; modelist[nummodes].height = modes[j]->h; modelist[nummodes].bpp = bpps[i]; for (k=originalnummodes, existingmode = 0 ; k < nummodes ; k++) { if ((modelist[nummodes].width == modelist[k].width) && (modelist[nummodes].height == modelist[k].height) && (modelist[nummodes].bpp == modelist[k].bpp)) { existingmode = 1; break; } } if (!existingmode) { nummodes++; } } } if (nummodes == originalnummodes) Con_SafePrintf ("No fullscreen DIB modes found\n"); } /* =================== VID_Init =================== */ void VID_Init (void) { static char vid_center[] = "SDL_VIDEO_CENTERED=center"; const SDL_VideoInfo *info; int width, height, bpp; qboolean fullscreen; const char *read_vars[] = { "vid_fullscreen", "vid_width", "vid_height", "vid_bpp", "vid_vsync" }; #define num_readvars ( sizeof(read_vars)/sizeof(read_vars[0]) ) Cvar_RegisterVariable (&vid_fullscreen); //johnfitz Cvar_RegisterVariable (&vid_width); //johnfitz Cvar_RegisterVariable (&vid_height); //johnfitz Cvar_RegisterVariable (&vid_bpp); //johnfitz Cvar_RegisterVariable (&vid_vsync); //johnfitz Cvar_SetCallback (&vid_fullscreen, VID_Changed_f); Cvar_SetCallback (&vid_width, VID_Changed_f); Cvar_SetCallback (&vid_height, VID_Changed_f); Cvar_SetCallback (&vid_bpp, VID_Changed_f); Cvar_SetCallback (&vid_vsync, VID_Changed_f); Cmd_AddCommand ("vid_unlock", VID_Unlock); //johnfitz Cmd_AddCommand ("vid_restart", VID_Restart); //johnfitz Cmd_AddCommand ("vid_test", VID_Test); //johnfitz Cmd_AddCommand ("vid_describecurrentmode", VID_DescribeCurrentMode_f); Cmd_AddCommand ("vid_describemodes", VID_DescribeModes_f); putenv (vid_center); /* SDL_putenv is problematic in versions <= 1.2.9 */ if (SDL_InitSubSystem(SDL_INIT_VIDEO) == -1) Sys_Error("Could not initialize SDL Video"); info = SDL_GetVideoInfo(); Cvar_SetValueQuick (&vid_bpp, (float)info->vfmt->BitsPerPixel); if (CFG_OpenConfig("config.cfg") == 0) { CFG_ReadCvars(read_vars, num_readvars); CFG_CloseConfig(); } CFG_ReadCvarOverrides(read_vars, num_readvars); VID_InitModelist(); width = (int)vid_width.value; height = (int)vid_height.value; bpp = (int)vid_bpp.value; fullscreen = (int)vid_fullscreen.value; if (COM_CheckParm("-current")) { width = info->current_w; height = info->current_h; bpp = info->vfmt->BitsPerPixel; fullscreen = true; } else { int p; p = COM_CheckParm("-width"); if (p && p < com_argc-1) { width = Q_atoi(com_argv[p+1]); if(!COM_CheckParm("-height")) height = width * 3 / 4; } p = COM_CheckParm("-height"); if (p && p < com_argc-1) { height = Q_atoi(com_argv[p+1]); if(!COM_CheckParm("-width")) width = height * 4 / 3; } p = COM_CheckParm("-bpp"); if (p && p < com_argc-1) bpp = Q_atoi(com_argv[p+1]); if (COM_CheckParm("-window") || COM_CheckParm("-w")) fullscreen = false; else if (COM_CheckParm("-fullscreen") || COM_CheckParm("-f")) fullscreen = true; } if (!VID_ValidMode(width, height, bpp, fullscreen)) { width = (int)vid_width.value; height = (int)vid_height.value; bpp = (int)vid_bpp.value; fullscreen = (int)vid_fullscreen.value; } if (!VID_ValidMode(width, height, bpp, fullscreen)) { width = 640; height = 480; bpp = info->vfmt->BitsPerPixel; fullscreen = false; } vid_initialized = true; vid.maxwarpwidth = WARP_WIDTH; vid.maxwarpheight = WARP_HEIGHT; vid.colormap = host_colormap; vid.fullbright = 256 - LittleLong (*((int *)vid.colormap + 2048)); // set window icon PL_SetWindowIcon(); VID_SetMode (width, height, bpp, fullscreen); GL_Init (); GL_SetupState (); Cmd_AddCommand ("gl_info", GL_Info_f); //johnfitz //johnfitz -- removed code creating "glquake" subdirectory vid_menucmdfn = VID_Menu_f; //johnfitz vid_menudrawfn = VID_MenuDraw; vid_menukeyfn = VID_MenuKey; VID_Gamma_Init(); //johnfitz VID_Menu_Init(); //johnfitz //QuakeSpasm: current vid settings should override config file settings. //so we have to lock the vid mode from now until after all config files are read. vid_locked = true; } // new proc by S.A., called by alt-return key binding. void VID_Toggle (void) { static qboolean vid_toggle_works = true; S_ClearBuffer (); if (!vid_toggle_works) goto vrestart; if (SDL_WM_ToggleFullScreen(draw_context) == 1) { Sbar_Changed (); // Sbar seems to need refreshing modestate = draw_context->flags & SDL_FULLSCREEN ? MS_FULLSCREEN : MS_WINDOWED; VID_SyncCvars(); // update mouse grab if (key_dest == key_console || key_dest == key_menu) { if (modestate == MS_WINDOWED) IN_Deactivate(true); else if (modestate == MS_FULLSCREEN) IN_Activate(); } } else { vid_toggle_works = false; Con_DPrintf ("SDL_WM_ToggleFullScreen failed, attempting VID_Restart\n"); vrestart: Cvar_SetQuick (&vid_fullscreen, draw_context-> flags & SDL_FULLSCREEN ? "0" : "1"); Cbuf_AddText ("vid_restart\n"); } } /* ================ VID_SyncCvars -- johnfitz -- set vid cvars to match current video mode ================ */ void VID_SyncCvars (void) { int swap_control; if (draw_context) { Cvar_SetValueQuick (&vid_width, draw_context->w); Cvar_SetValueQuick (&vid_height, draw_context->h); Cvar_SetValueQuick (&vid_bpp, draw_context->format->BitsPerPixel); Cvar_SetQuick (&vid_fullscreen, draw_context->flags & SDL_FULLSCREEN ? "1" : "0"); if (SDL_GL_GetAttribute(SDL_GL_SWAP_CONTROL, &swap_control) == 0) Cvar_SetQuick (&vid_vsync, (swap_control > 0)? "1" : "0"); } vid_changed = false; } //========================================================================== // // NEW VIDEO MENU -- johnfitz // //========================================================================== enum { VID_OPT_MODE, VID_OPT_BPP, VID_OPT_FULLSCREEN, VID_OPT_VSYNC, VID_OPT_TEST, VID_OPT_APPLY, VIDEO_OPTIONS_ITEMS }; static int video_options_cursor = 0; typedef struct { int width,height; } vid_menu_mode; //TODO: replace these fixed-length arrays with hunk_allocated buffers static vid_menu_mode vid_menu_modes[MAX_MODE_LIST]; static int vid_menu_nummodes = 0; static int vid_menu_bpps[MAX_BPPS_LIST]; static int vid_menu_numbpps = 0; /* ================ VID_Menu_Init ================ */ static void VID_Menu_Init (void) { int i, j, h, w; for (i = 0; i < nummodes; i++) { w = modelist[i].width; h = modelist[i].height; for (j = 0; j < vid_menu_nummodes; j++) { if (vid_menu_modes[j].width == w && vid_menu_modes[j].height == h) break; } if (j == vid_menu_nummodes) { vid_menu_modes[j].width = w; vid_menu_modes[j].height = h; vid_menu_nummodes++; } } } /* ================ VID_Menu_RebuildBppList regenerates bpp list based on current vid_width and vid_height ================ */ static void VID_Menu_RebuildBppList (void) { int i, j, b; vid_menu_numbpps = 0; for (i = 0; i < nummodes; i++) { if (vid_menu_numbpps >= MAX_BPPS_LIST) break; //bpp list is limited to bpps available with current width/height if (modelist[i].width != vid_width.value || modelist[i].height != vid_height.value) continue; b = modelist[i].bpp; for (j = 0; j < vid_menu_numbpps; j++) { if (vid_menu_bpps[j] == b) break; } if (j == vid_menu_numbpps) { vid_menu_bpps[j] = b; vid_menu_numbpps++; } } //if there are no valid fullscreen bpps for this width/height, just pick one if (vid_menu_numbpps == 0) { Cvar_SetValueQuick (&vid_bpp, (float)modelist[0].bpp); return; } //if vid_bpp is not in the new list, change vid_bpp for (i = 0; i < vid_menu_numbpps; i++) if (vid_menu_bpps[i] == (int)(vid_bpp.value)) break; if (i == vid_menu_numbpps) Cvar_SetValueQuick (&vid_bpp, (float)vid_menu_bpps[0]); } /* ================ VID_Menu_ChooseNextMode chooses next resolution in order, then updates vid_width and vid_height cvars, then updates bpp and refreshrate lists ================ */ static void VID_Menu_ChooseNextMode (int dir) { int i; if (vid_menu_nummodes) { for (i = 0; i < vid_menu_nummodes; i++) { if (vid_menu_modes[i].width == vid_width.value && vid_menu_modes[i].height == vid_height.value) break; } if (i == vid_menu_nummodes) //can't find it in list, so it must be a custom windowed res { i = 0; } else { i += dir; if (i >= vid_menu_nummodes) i = 0; else if (i < 0) i = vid_menu_nummodes-1; } Cvar_SetValueQuick (&vid_width, (float)vid_menu_modes[i].width); Cvar_SetValueQuick (&vid_height, (float)vid_menu_modes[i].height); VID_Menu_RebuildBppList (); } } /* ================ VID_Menu_ChooseNextBpp chooses next bpp in order, then updates vid_bpp cvar ================ */ static void VID_Menu_ChooseNextBpp (int dir) { int i; if (vid_menu_numbpps) { for (i = 0; i < vid_menu_numbpps; i++) { if (vid_menu_bpps[i] == vid_bpp.value) break; } if (i == vid_menu_numbpps) //can't find it in list { i = 0; } else { i += dir; if (i >= vid_menu_numbpps) i = 0; else if (i < 0) i = vid_menu_numbpps-1; } Cvar_SetValueQuick (&vid_bpp, (float)vid_menu_bpps[i]); } } /* ================ VID_MenuKey ================ */ static void VID_MenuKey (int key) { switch (key) { case K_ESCAPE: VID_SyncCvars (); //sync cvars before leaving menu. FIXME: there are other ways to leave menu S_LocalSound ("misc/menu1.wav"); M_Menu_Options_f (); break; case K_UPARROW: S_LocalSound ("misc/menu1.wav"); video_options_cursor--; if (video_options_cursor < 0) video_options_cursor = VIDEO_OPTIONS_ITEMS-1; break; case K_DOWNARROW: S_LocalSound ("misc/menu1.wav"); video_options_cursor++; if (video_options_cursor >= VIDEO_OPTIONS_ITEMS) video_options_cursor = 0; break; case K_LEFTARROW: S_LocalSound ("misc/menu3.wav"); switch (video_options_cursor) { case VID_OPT_MODE: VID_Menu_ChooseNextMode (1); break; case VID_OPT_BPP: VID_Menu_ChooseNextBpp (1); break; case VID_OPT_FULLSCREEN: Cbuf_AddText ("toggle vid_fullscreen\n"); break; case VID_OPT_VSYNC: Cbuf_AddText ("toggle vid_vsync\n"); // kristian break; default: break; } break; case K_RIGHTARROW: S_LocalSound ("misc/menu3.wav"); switch (video_options_cursor) { case VID_OPT_MODE: VID_Menu_ChooseNextMode (-1); break; case VID_OPT_BPP: VID_Menu_ChooseNextBpp (-1); break; case VID_OPT_FULLSCREEN: Cbuf_AddText ("toggle vid_fullscreen\n"); break; case VID_OPT_VSYNC: Cbuf_AddText ("toggle vid_vsync\n"); break; default: break; } break; case K_ENTER: m_entersound = true; switch (video_options_cursor) { case VID_OPT_MODE: VID_Menu_ChooseNextMode (1); break; case VID_OPT_BPP: VID_Menu_ChooseNextBpp (1); break; case VID_OPT_FULLSCREEN: Cbuf_AddText ("toggle vid_fullscreen\n"); break; case VID_OPT_VSYNC: Cbuf_AddText ("toggle vid_vsync\n"); break; case VID_OPT_TEST: Cbuf_AddText ("vid_test\n"); break; case VID_OPT_APPLY: Cbuf_AddText ("vid_restart\n"); key_dest = key_game; m_state = m_none; IN_Activate(); break; default: break; } break; default: break; } } /* ================ VID_MenuDraw ================ */ static void VID_MenuDraw (void) { int i, y; qpic_t *p; const char *title; y = 4; // plaque p = Draw_CachePic ("gfx/qplaque.lmp"); M_DrawTransPic (16, y, p); //p = Draw_CachePic ("gfx/vidmodes.lmp"); p = Draw_CachePic ("gfx/p_option.lmp"); M_DrawPic ( (320-p->width)/2, y, p); y += 28; // title title = "Video Options"; M_PrintWhite ((320-8*strlen(title))/2, y, title); y += 16; // options for (i = 0; i < VIDEO_OPTIONS_ITEMS; i++) { switch (i) { case VID_OPT_MODE: M_Print (16, y, " Video mode"); M_Print (184, y, va("%ix%i", (int)vid_width.value, (int)vid_height.value)); break; case VID_OPT_BPP: M_Print (16, y, " Color depth"); M_Print (184, y, va("%i", (int)vid_bpp.value)); break; case VID_OPT_FULLSCREEN: M_Print (16, y, " Fullscreen"); M_DrawCheckbox (184, y, (int)vid_fullscreen.value); break; case VID_OPT_VSYNC: M_Print (16, y, " Vertical sync"); if (gl_swap_control) M_DrawCheckbox (184, y, (int)vid_vsync.value); else M_Print (184, y, "N/A"); break; case VID_OPT_TEST: y += 8; //separate the test and apply items M_Print (16, y, " Test changes"); break; case VID_OPT_APPLY: M_Print (16, y, " Apply changes"); break; } if (video_options_cursor == i) M_DrawCharacter (168, y, 12+((int)(realtime*4)&1)); y += 8; } } /* ================ VID_Menu_f ================ */ static void VID_Menu_f (void) { IN_Deactivate(modestate == MS_WINDOWED); key_dest = key_menu; m_state = m_video; m_entersound = true; //set all the cvars to match the current mode when entering the menu VID_SyncCvars (); //set up bpp and rate lists based on current cvars VID_Menu_RebuildBppList (); }