/* Copyright (C) 1996-2001 Id Software, Inc. Copyright (C) 2002-2009 John Fitzgibbons and others Copyright (C) 2007-2008 Kristian Duske Copyright (C) 2010-2014 QuakeSpasm developers 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) #if defined(USE_SDL2) #include #else #include #endif #else #include "SDL.h" #endif //ericw -- for putting the driver into multithreaded mode #ifdef __APPLE__ #include #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 int gl_version_major; static int gl_version_minor; 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; #if defined(USE_SDL2) static SDL_Window *draw_context; static SDL_GLContext gl_context; #else static SDL_Surface *draw_context; #endif 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 qboolean gl_texture_NPOT = false; //ericw qboolean gl_vbo_able = false; //ericw qboolean gl_glsl_able = false; //ericw GLint gl_max_texture_units = 0; //ericw qboolean gl_glsl_gamma_able = false; //ericw qboolean gl_glsl_alias_able = false; //ericw int gl_stencilbits; PFNGLMULTITEXCOORD2FARBPROC GL_MTexCoord2fFunc = NULL; //johnfitz PFNGLACTIVETEXTUREARBPROC GL_SelectTextureFunc = NULL; //johnfitz PFNGLCLIENTACTIVETEXTUREARBPROC GL_ClientActiveTextureFunc = NULL; //ericw PFNGLBINDBUFFERARBPROC GL_BindBufferFunc = NULL; //ericw PFNGLBUFFERDATAARBPROC GL_BufferDataFunc = NULL; //ericw PFNGLBUFFERSUBDATAARBPROC GL_BufferSubDataFunc = NULL; //ericw PFNGLDELETEBUFFERSARBPROC GL_DeleteBuffersFunc = NULL; //ericw PFNGLGENBUFFERSARBPROC GL_GenBuffersFunc = NULL; //ericw QS_PFNGLCREATESHADERPROC GL_CreateShaderFunc = NULL; //ericw QS_PFNGLDELETESHADERPROC GL_DeleteShaderFunc = NULL; //ericw QS_PFNGLDELETEPROGRAMPROC GL_DeleteProgramFunc = NULL; //ericw QS_PFNGLSHADERSOURCEPROC GL_ShaderSourceFunc = NULL; //ericw QS_PFNGLCOMPILESHADERPROC GL_CompileShaderFunc = NULL; //ericw QS_PFNGLGETSHADERIVPROC GL_GetShaderivFunc = NULL; //ericw QS_PFNGLGETSHADERINFOLOGPROC GL_GetShaderInfoLogFunc = NULL; //ericw QS_PFNGLGETPROGRAMIVPROC GL_GetProgramivFunc = NULL; //ericw QS_PFNGLGETPROGRAMINFOLOGPROC GL_GetProgramInfoLogFunc = NULL; //ericw QS_PFNGLCREATEPROGRAMPROC GL_CreateProgramFunc = NULL; //ericw QS_PFNGLATTACHSHADERPROC GL_AttachShaderFunc = NULL; //ericw QS_PFNGLLINKPROGRAMPROC GL_LinkProgramFunc = NULL; //ericw QS_PFNGLBINDATTRIBLOCATIONFUNC GL_BindAttribLocationFunc = NULL; //ericw QS_PFNGLUSEPROGRAMPROC GL_UseProgramFunc = NULL; //ericw QS_PFNGLGETATTRIBLOCATIONPROC GL_GetAttribLocationFunc = NULL; //ericw QS_PFNGLVERTEXATTRIBPOINTERPROC GL_VertexAttribPointerFunc = NULL; //ericw QS_PFNGLENABLEVERTEXATTRIBARRAYPROC GL_EnableVertexAttribArrayFunc = NULL; //ericw QS_PFNGLDISABLEVERTEXATTRIBARRAYPROC GL_DisableVertexAttribArrayFunc = NULL; //ericw QS_PFNGLGETUNIFORMLOCATIONPROC GL_GetUniformLocationFunc = NULL; //ericw QS_PFNGLUNIFORM1IPROC GL_Uniform1iFunc = NULL; //ericw QS_PFNGLUNIFORM1FPROC GL_Uniform1fFunc = NULL; //ericw QS_PFNGLUNIFORM3FPROC GL_Uniform3fFunc = NULL; //ericw QS_PFNGLUNIFORM4FPROC GL_Uniform4fFunc = NULL; //ericw //==================================== //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}; static cvar_t vid_fsaa = {"vid_fsaa", "0", CVAR_ARCHIVE}; // QuakeSpasm static cvar_t vid_desktopfullscreen = {"vid_desktopfullscreen", "0", CVAR_ARCHIVE}; // QuakeSpasm //johnfitz cvar_t vid_gamma = {"gamma", "1", CVAR_ARCHIVE}; //johnfitz -- moved here from view.c //========================================================================== // // HARDWARE GAMMA -- johnfitz // //========================================================================== #define USE_GAMMA_RAMPS 0 #if USE_GAMMA_RAMPS 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]; #endif static qboolean gammaworks = false; // whether hw-gamma works static int fsaa; /* ================ VID_Gamma_SetGamma -- apply gamma correction ================ */ static void VID_Gamma_SetGamma (void) { if (gl_glsl_gamma_able) return; if (draw_context && gammaworks) { float value; if (vid_gamma.value > (1.0f / GAMMA_MAX)) value = 1.0f / vid_gamma.value; else value = GAMMA_MAX; #if defined(USE_SDL2) # if USE_GAMMA_RAMPS if (SDL_SetWindowGammaRamp(draw_context, vid_gamma_red, vid_gamma_green, vid_gamma_blue) != 0) Con_Printf ("VID_Gamma_SetGamma: failed on SDL_SetWindowGammaRamp\n"); # else if (SDL_SetWindowBrightness(draw_context, value) != 0) Con_Printf ("VID_Gamma_SetGamma: failed on SDL_SetWindowBrightness\n"); # endif #else /* USE_SDL2 */ # if USE_GAMMA_RAMPS if (SDL_SetGammaRamp(vid_gamma_red, vid_gamma_green, vid_gamma_blue) == -1) Con_Printf ("VID_Gamma_SetGamma: failed on SDL_SetGammaRamp\n"); # else if (SDL_SetGamma(value,value,value) == -1) Con_Printf ("VID_Gamma_SetGamma: failed on SDL_SetGamma\n"); # endif #endif /* USE_SDL2 */ } } /* ================ VID_Gamma_Restore -- restore system gamma ================ */ static void VID_Gamma_Restore (void) { if (gl_glsl_gamma_able) return; if (draw_context && gammaworks) { #if defined(USE_SDL2) # if USE_GAMMA_RAMPS if (SDL_SetWindowGammaRamp(draw_context, vid_sysgamma_red, vid_sysgamma_green, vid_sysgamma_blue) != 0) Con_Printf ("VID_Gamma_Restore: failed on SDL_SetWindowGammaRamp\n"); # else if (SDL_SetWindowBrightness(draw_context, 1) != 0) Con_Printf ("VID_Gamma_Restore: failed on SDL_SetWindowBrightness\n"); # endif #else /* USE_SDL2 */ # if USE_GAMMA_RAMPS if (SDL_SetGammaRamp(vid_sysgamma_red, vid_sysgamma_green, vid_sysgamma_blue) == -1) Con_Printf ("VID_Gamma_Restore: failed on SDL_SetGammaRamp\n"); # else if (SDL_SetGamma(1, 1, 1) == -1) Con_Printf ("VID_Gamma_Restore: failed on SDL_SetGamma\n"); # endif #endif /* USE_SDL2 */ } } /* ================ 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) { if (gl_glsl_gamma_able) return; #if USE_GAMMA_RAMPS 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]; } #endif VID_Gamma_SetGamma (); } /* ================ VID_Gamma_Init -- call on init ================ */ static void VID_Gamma_Init (void) { Cvar_RegisterVariable (&vid_gamma); Cvar_SetCallback (&vid_gamma, VID_Gamma_f); if (gl_glsl_gamma_able) return; #if defined(USE_SDL2) # if USE_GAMMA_RAMPS gammaworks = (SDL_GetWindowGammaRamp(draw_context, vid_sysgamma_red, vid_sysgamma_green, vid_sysgamma_blue) == 0); if (gammaworks) gammaworks = (SDL_SetWindowGammaRamp(draw_context, vid_sysgamma_red, vid_sysgamma_green, vid_sysgamma_blue) == 0); # else gammaworks = (SDL_SetWindowBrightness(draw_context, 1) == 0); # endif #else /* USE_SDL2 */ # if USE_GAMMA_RAMPS gammaworks = (SDL_GetGammaRamp(vid_sysgamma_red, vid_sysgamma_green, vid_sysgamma_blue) == 0); if (gammaworks) gammaworks = (SDL_SetGammaRamp(vid_sysgamma_red, vid_sysgamma_green, vid_sysgamma_blue) == 0); # else gammaworks = (SDL_SetGamma(1, 1, 1) == 0); # endif #endif /* USE_SDL2 */ if (!gammaworks) Con_SafePrintf("gamma adjustment not available\n"); } /* ====================== VID_GetCurrentWidth ====================== */ static int VID_GetCurrentWidth (void) { #if defined(USE_SDL2) int w = 0, h = 0; SDL_GetWindowSize(draw_context, &w, &h); return w; #else return draw_context->w; #endif } /* ======================= VID_GetCurrentHeight ======================= */ static int VID_GetCurrentHeight (void) { #if defined(USE_SDL2) int w = 0, h = 0; SDL_GetWindowSize(draw_context, &w, &h); return h; #else return draw_context->h; #endif } /* ==================== VID_GetCurrentBPP ==================== */ static int VID_GetCurrentBPP (void) { #if defined(USE_SDL2) const Uint32 pixelFormat = SDL_GetWindowPixelFormat(draw_context); return SDL_BITSPERPIXEL(pixelFormat); #else return draw_context->format->BitsPerPixel; #endif } /* ==================== VID_GetFullscreen ==================== */ static qboolean VID_GetFullscreen (void) { #if defined(USE_SDL2) return (SDL_GetWindowFlags(draw_context) & SDL_WINDOW_FULLSCREEN) != 0; #else return (draw_context->flags & SDL_FULLSCREEN) != 0; #endif } /* ==================== VID_GetDesktopFullscreen ==================== */ static qboolean VID_GetDesktopFullscreen (void) { #if defined(USE_SDL2) return (SDL_GetWindowFlags(draw_context) & SDL_WINDOW_FULLSCREEN_DESKTOP) != 0; #else return false; #endif } /* ==================== VID_GetVSync ==================== */ static qboolean VID_GetVSync (void) { #if defined(USE_SDL2) return SDL_GL_GetSwapInterval() == 1; #else int swap_control; if (SDL_GL_GetAttribute(SDL_GL_SWAP_CONTROL, &swap_control) == 0) return swap_control > 0; return false; #endif } /* ==================== VID_GetWindow used by pl_win.c ==================== */ void *VID_GetWindow (void) { #if defined(USE_SDL2) return draw_context; #else return NULL; #endif } /* ==================== VID_HasMouseOrInputFocus ==================== */ qboolean VID_HasMouseOrInputFocus (void) { #if defined(USE_SDL2) return (SDL_GetWindowFlags(draw_context) & (SDL_WINDOW_MOUSE_FOCUS | SDL_WINDOW_INPUT_FOCUS)) != 0; #else return (SDL_GetAppState() & (SDL_APPMOUSEFOCUS | SDL_APPINPUTFOCUS)) != 0; #endif } /* ==================== VID_IsMinimized ==================== */ qboolean VID_IsMinimized (void) { #if defined(USE_SDL2) return !(SDL_GetWindowFlags(draw_context) & SDL_WINDOW_SHOWN); #else /* SDL_APPACTIVE in SDL 1.x means "not minimized" */ return !(SDL_GetAppState() & SDL_APPACTIVE); #endif } #if defined(USE_SDL2) /* ================ VID_SDL2_GetDisplayMode Returns a pointer to a statically allocated SDL_DisplayMode structure if there is one with the requested params on the default display. Otherwise returns NULL. This is passed to SDL_SetWindowDisplayMode to specify a pixel format with the requested bpp. If we didn't care about bpp we could just pass NULL. ================ */ static SDL_DisplayMode *VID_SDL2_GetDisplayMode(int width, int height, int bpp) { static SDL_DisplayMode mode; const int sdlmodes = SDL_GetNumDisplayModes(0); int i; for (i = 0; i < sdlmodes; i++) { if (SDL_GetDisplayMode(0, i, &mode) == 0 && mode.w == width && mode.h == height && SDL_BITSPERPIXEL(mode.format) == bpp) { return &mode; } } return NULL; } #endif /* USE_SDL2 */ /* ================ VID_ValidMode ================ */ static qboolean VID_ValidMode (int width, int height, int bpp, qboolean fullscreen) { // ignore width / height / bpp if vid_desktopfullscreen is enabled if (fullscreen && vid_desktopfullscreen.value) return true; if (width < 320) return false; if (height < 200) return false; #if defined(USE_SDL2) if (fullscreen && VID_SDL2_GetDisplayMode(width, height, bpp) == NULL) bpp = 0; #else { Uint32 flags = DEFAULT_SDL_FLAGS; if (fullscreen) flags |= SDL_FULLSCREEN; bpp = SDL_VideoModeOK(width, height, bpp, flags); } #endif switch (bpp) { case 16: case 24: case 32: break; default: return false; } return true; } /* ================ VID_SetMode ================ */ static qboolean VID_SetMode (int width, int height, int bpp, qboolean fullscreen) { int temp; Uint32 flags; char caption[50]; int depthbits, stencilbits; int fsaa_obtained; // 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 (); /* z-buffer depth */ if (bpp == 16) { depthbits = 16; stencilbits = 0; } else { depthbits = 24; stencilbits = 8; } SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, depthbits); SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, stencilbits); /* fsaa */ SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, fsaa > 0 ? 1 : 0); SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, fsaa); q_snprintf(caption, sizeof(caption), "QuakeSpasm %1.2f.%d", (float)QUAKESPASM_VERSION, QUAKESPASM_VER_PATCH); #if defined(USE_SDL2) /* Create the window if needed, hidden */ if (!draw_context) { flags = SDL_WINDOW_OPENGL | SDL_WINDOW_HIDDEN; draw_context = SDL_CreateWindow (caption, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, flags); if (!draw_context) { // scale back fsaa SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0); SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0); draw_context = SDL_CreateWindow (caption, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, flags); } if (!draw_context) { // scale back SDL_GL_DEPTH_SIZE SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16); draw_context = SDL_CreateWindow (caption, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, flags); } if (!draw_context) { // scale back SDL_GL_STENCIL_SIZE SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 0); draw_context = SDL_CreateWindow (caption, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, flags); } if (!draw_context) Sys_Error ("Couldn't create window"); } /* Ensure the window is not fullscreen */ if (VID_GetFullscreen ()) { if (SDL_SetWindowFullscreen (draw_context, 0) != 0) Sys_Error("Couldn't set fullscreen state mode"); } /* Set window size and display mode */ SDL_SetWindowSize (draw_context, width, height); SDL_SetWindowPosition (draw_context, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED); SDL_SetWindowDisplayMode (draw_context, VID_SDL2_GetDisplayMode(width, height, bpp)); /* Make window fullscreen if needed, and show the window */ if (fullscreen) { Uint32 flags = vid_desktopfullscreen.value ? SDL_WINDOW_FULLSCREEN_DESKTOP : SDL_WINDOW_FULLSCREEN; if (SDL_SetWindowFullscreen (draw_context, flags) != 0) Sys_Error ("Couldn't set fullscreen state mode"); } SDL_ShowWindow (draw_context); /* Create GL context if needed */ if (!gl_context) { gl_context = SDL_GL_CreateContext(draw_context); if (!gl_context) Sys_Error("Couldn't create GL context"); } gl_swap_control = true; if (SDL_GL_SetSwapInterval ((vid_vsync.value) ? 1 : 0) == -1) gl_swap_control = false; #else /* !defined(USE_SDL2) */ flags = DEFAULT_SDL_FLAGS; if (fullscreen) flags |= SDL_FULLSCREEN; 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) { // scale back fsaa SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0); SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0); draw_context = SDL_SetVideoMode(width, height, bpp, flags); } if (!draw_context) { // scale back SDL_GL_DEPTH_SIZE SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16); draw_context = SDL_SetVideoMode(width, height, bpp, flags); } if (!draw_context) { // scale back SDL_GL_STENCIL_SIZE SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 0); draw_context = SDL_SetVideoMode(width, height, bpp, flags); if (!draw_context) Sys_Error ("Couldn't set video mode"); } SDL_WM_SetCaption(caption, caption); #endif /* !defined(USE_SDL2) */ vid.width = VID_GetCurrentWidth(); vid.height = VID_GetCurrentHeight(); vid.conwidth = vid.width & 0xFFFFFFF8; vid.conheight = vid.conwidth * vid.height / vid.width; vid.numpages = 2; // read the obtained z-buffer depth if (SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &depthbits) == -1) depthbits = 0; // read obtained fsaa samples if (SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &fsaa_obtained) == -1) fsaa_obtained = 0; // read stencil bits if (SDL_GL_GetAttribute(SDL_GL_STENCIL_SIZE, &gl_stencilbits) == -1) gl_stencilbits = 0; modestate = VID_GetFullscreen() ? 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 (%d-bit z-buffer, %dx FSAA) initialized\n", VID_GetCurrentWidth(), VID_GetCurrentHeight(), VID_GetCurrentBPP(), depthbits, fsaa_obtained); 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; } // ericw -- OS X, SDL1: textures, VBO's invalid after mode change // OS X, SDL2: still valid after mode change // To handle both cases, delete all GL objects (textures, VBO, GLSL) now. // We must not interleave deleting the old objects with creating new ones, because // one of the new objects could be given the same ID as an invalid handle // which is later deleted. TexMgr_DeleteTextureObjects (); GLSLGamma_DeleteTexture (); R_DeleteShaders (); GL_DeleteBModelVertexBuffer (); GLMesh_DeleteVertexBuffers (); // // set new mode // VID_SetMode (width, height, bpp, fullscreen); GL_Init (); TexMgr_ReloadImages (); GL_BuildBModelVertexBuffer (); GLMesh_LoadVertexBuffers (); GL_SetupState (); Fog_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 = VID_GetCurrentWidth(); old_height = VID_GetCurrentHeight(); old_bpp = VID_GetCurrentBPP(); old_fullscreen = VID_GetFullscreen() ? 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; // ARB_vertex_buffer_object // if (COM_CheckParm("-novbo")) Con_Warning ("Vertex buffer objects disabled at command line\n"); else if (gl_version_major < 1 || (gl_version_major == 1 && gl_version_minor < 5)) Con_Warning ("OpenGL version < 1.5, skipping ARB_vertex_buffer_object check\n"); else { GL_BindBufferFunc = (PFNGLBINDBUFFERARBPROC) SDL_GL_GetProcAddress("glBindBufferARB"); GL_BufferDataFunc = (PFNGLBUFFERDATAARBPROC) SDL_GL_GetProcAddress("glBufferDataARB"); GL_BufferSubDataFunc = (PFNGLBUFFERSUBDATAARBPROC) SDL_GL_GetProcAddress("glBufferSubDataARB"); GL_DeleteBuffersFunc = (PFNGLDELETEBUFFERSARBPROC) SDL_GL_GetProcAddress("glDeleteBuffersARB"); GL_GenBuffersFunc = (PFNGLGENBUFFERSARBPROC) SDL_GL_GetProcAddress("glGenBuffersARB"); if (GL_BindBufferFunc && GL_BufferDataFunc && GL_BufferSubDataFunc && GL_DeleteBuffersFunc && GL_GenBuffersFunc) { Con_Printf("FOUND: ARB_vertex_buffer_object\n"); gl_vbo_able = true; } else { Con_Warning ("ARB_vertex_buffer_object not available\n"); } } // 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"); GL_ClientActiveTextureFunc = (PFNGLCLIENTACTIVETEXTUREARBPROC) SDL_GL_GetProcAddress("glClientActiveTextureARB"); if (GL_MTexCoord2fFunc && GL_SelectTextureFunc && GL_ClientActiveTextureFunc) { Con_Printf("FOUND: ARB_multitexture\n"); gl_mtexable = true; glGetIntegerv(GL_MAX_TEXTURE_UNITS, &gl_max_texture_units); Con_Printf("GL_MAX_TEXTURE_UNITS: %d\n", (int)gl_max_texture_units); } 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 // if (!gl_swap_control) { #if defined(USE_SDL2) Con_Warning ("vertical sync not supported (SDL_GL_SetSwapInterval failed)\n"); #else Con_Warning ("vertical sync not supported (SDL_GL_SetAttribute failed)\n"); #endif } #if defined(USE_SDL2) else if ((swap_control = SDL_GL_GetSwapInterval()) == -1) #else else if (SDL_GL_GetAttribute(SDL_GL_SWAP_CONTROL, &swap_control) == -1) #endif { gl_swap_control = false; #if defined(USE_SDL2) Con_Warning ("vertical sync not supported (SDL_GL_GetSwapInterval failed)\n"); #else Con_Warning ("vertical sync not supported (SDL_GL_GetAttribute failed)\n"); #endif } 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 { #if defined(USE_SDL2) Con_Printf("FOUND: SDL_GL_SetSwapInterval\n"); #else Con_Printf("FOUND: SDL_GL_SWAP_CONTROL\n"); #endif } // 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"); } // texture_non_power_of_two // if (COM_CheckParm("-notexturenpot")) Con_Warning ("texture_non_power_of_two disabled at command line\n"); else if (GL_ParseExtensionList(gl_extensions, "GL_ARB_texture_non_power_of_two")) { Con_Printf("FOUND: ARB_texture_non_power_of_two\n"); gl_texture_NPOT = true; } else { Con_Warning ("texture_non_power_of_two not supported\n"); } // GLSL // if (COM_CheckParm("-noglsl")) Con_Warning ("GLSL disabled at command line\n"); else if (gl_version_major >= 2) { GL_CreateShaderFunc = (QS_PFNGLCREATESHADERPROC) SDL_GL_GetProcAddress("glCreateShader"); GL_DeleteShaderFunc = (QS_PFNGLDELETESHADERPROC) SDL_GL_GetProcAddress("glDeleteShader"); GL_DeleteProgramFunc = (QS_PFNGLDELETEPROGRAMPROC) SDL_GL_GetProcAddress("glDeleteProgram"); GL_ShaderSourceFunc = (QS_PFNGLSHADERSOURCEPROC) SDL_GL_GetProcAddress("glShaderSource"); GL_CompileShaderFunc = (QS_PFNGLCOMPILESHADERPROC) SDL_GL_GetProcAddress("glCompileShader"); GL_GetShaderivFunc = (QS_PFNGLGETSHADERIVPROC) SDL_GL_GetProcAddress("glGetShaderiv"); GL_GetShaderInfoLogFunc = (QS_PFNGLGETSHADERINFOLOGPROC) SDL_GL_GetProcAddress("glGetShaderInfoLog"); GL_GetProgramivFunc = (QS_PFNGLGETPROGRAMIVPROC) SDL_GL_GetProcAddress("glGetProgramiv"); GL_GetProgramInfoLogFunc = (QS_PFNGLGETPROGRAMINFOLOGPROC) SDL_GL_GetProcAddress("glGetProgramInfoLog"); GL_CreateProgramFunc = (QS_PFNGLCREATEPROGRAMPROC) SDL_GL_GetProcAddress("glCreateProgram"); GL_AttachShaderFunc = (QS_PFNGLATTACHSHADERPROC) SDL_GL_GetProcAddress("glAttachShader"); GL_LinkProgramFunc = (QS_PFNGLLINKPROGRAMPROC) SDL_GL_GetProcAddress("glLinkProgram"); GL_BindAttribLocationFunc = (QS_PFNGLBINDATTRIBLOCATIONFUNC) SDL_GL_GetProcAddress("glBindAttribLocation"); GL_UseProgramFunc = (QS_PFNGLUSEPROGRAMPROC) SDL_GL_GetProcAddress("glUseProgram"); GL_GetAttribLocationFunc = (QS_PFNGLGETATTRIBLOCATIONPROC) SDL_GL_GetProcAddress("glGetAttribLocation"); GL_VertexAttribPointerFunc = (QS_PFNGLVERTEXATTRIBPOINTERPROC) SDL_GL_GetProcAddress("glVertexAttribPointer"); GL_EnableVertexAttribArrayFunc = (QS_PFNGLENABLEVERTEXATTRIBARRAYPROC) SDL_GL_GetProcAddress("glEnableVertexAttribArray"); GL_DisableVertexAttribArrayFunc = (QS_PFNGLDISABLEVERTEXATTRIBARRAYPROC) SDL_GL_GetProcAddress("glDisableVertexAttribArray"); GL_GetUniformLocationFunc = (QS_PFNGLGETUNIFORMLOCATIONPROC) SDL_GL_GetProcAddress("glGetUniformLocation"); GL_Uniform1iFunc = (QS_PFNGLUNIFORM1IPROC) SDL_GL_GetProcAddress("glUniform1i"); GL_Uniform1fFunc = (QS_PFNGLUNIFORM1FPROC) SDL_GL_GetProcAddress("glUniform1f"); GL_Uniform3fFunc = (QS_PFNGLUNIFORM3FPROC) SDL_GL_GetProcAddress("glUniform3f"); GL_Uniform4fFunc = (QS_PFNGLUNIFORM4FPROC) SDL_GL_GetProcAddress("glUniform4f"); if (GL_CreateShaderFunc && GL_DeleteShaderFunc && GL_DeleteProgramFunc && GL_ShaderSourceFunc && GL_CompileShaderFunc && GL_GetShaderivFunc && GL_GetShaderInfoLogFunc && GL_GetProgramivFunc && GL_GetProgramInfoLogFunc && GL_CreateProgramFunc && GL_AttachShaderFunc && GL_LinkProgramFunc && GL_BindAttribLocationFunc && GL_UseProgramFunc && GL_GetAttribLocationFunc && GL_VertexAttribPointerFunc && GL_EnableVertexAttribArrayFunc && GL_DisableVertexAttribArrayFunc && GL_GetUniformLocationFunc && GL_Uniform1iFunc && GL_Uniform1fFunc && GL_Uniform3fFunc && GL_Uniform4fFunc) { Con_Printf("FOUND: GLSL\n"); gl_glsl_able = true; } else { Con_Warning ("GLSL not available\n"); } } else { Con_Warning ("OpenGL version < 2, GLSL not available\n"); } // GLSL gamma // if (COM_CheckParm("-noglslgamma")) Con_Warning ("GLSL gamma disabled at command line\n"); else if (gl_glsl_able) { gl_glsl_gamma_able = true; } else { Con_Warning ("GLSL gamma not available, using hardware gamma\n"); } // GLSL alias model rendering // if (COM_CheckParm("-noglslalias")) Con_Warning ("GLSL alias model rendering disabled at command line\n"); else if (gl_glsl_able && gl_vbo_able && gl_max_texture_units >= 3) { gl_glsl_alias_able = true; } else { Con_Warning ("GLSL alias model rendering not available, using Fitz renderer\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_version == NULL || sscanf(gl_version, "%d.%d", &gl_version_major, &gl_version_minor) < 2) { gl_version_major = 0; gl_version_minor = 0; } if (gl_extensions_nice != NULL) Z_Free (gl_extensions_nice); gl_extensions_nice = GL_MakeNiceExtensionsList (gl_extensions); GL_CheckExtensions (); //johnfitz #ifdef __APPLE__ // ericw -- enable multi-threaded OpenGL, gives a decent FPS boost. // https://developer.apple.com/library/mac/technotes/tn2085/ if (host_parms->numcpus > 1 && kCGLNoError != CGLEnable(CGLGetCurrentContext(), kCGLCEMPEngine)) { Con_Warning ("Couldn't enable multi-threaded OpenGL"); } #endif //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 GLAlias_CreateShaders (); GL_ClearBufferBindings (); } /* ================= 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) { #if defined(USE_SDL2) SDL_GL_SwapWindow(draw_context); #else SDL_GL_SwapBuffers(); #endif } } void VID_Shutdown (void) { if (vid_initialized) { VID_Gamma_Shutdown (); //johnfitz SDL_QuitSubSystem(SDL_INIT_VIDEO); draw_context = NULL; #if defined(USE_SDL2) gl_context = NULL; #endif 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", VID_GetCurrentWidth(), VID_GetCurrentHeight(), VID_GetCurrentBPP(), VID_GetFullscreen() ? "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); } /* =================== VID_FSAA_f -- ericw -- warn that vid_fsaa requires engine restart =================== */ static void VID_FSAA_f (cvar_t *var) { // don't print the warning if vid_fsaa is set during startup if (vid_initialized) Con_Printf("%s %d requires engine restart to take effect\n", var->name, (int)var->value); } //========================================================================== // // INIT // //========================================================================== /* ================= VID_InitModelist ================= */ static void VID_InitModelist (void) { #if defined(USE_SDL2) const int sdlmodes = SDL_GetNumDisplayModes(0); int i; nummodes = 0; for (i = 0; i < sdlmodes; i++) { SDL_DisplayMode mode; if (nummodes >= MAX_MODE_LIST) break; if (SDL_GetDisplayMode(0, i, &mode) == 0) { modelist[nummodes].width = mode.w; modelist[nummodes].height = mode.h; modelist[nummodes].bpp = SDL_BITSPERPIXEL(mode.format); nummodes++; } } #else /* !defined(USE_SDL2) */ 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"); #endif /* !defined(USE_SDL2) */ } /* =================== VID_Init =================== */ void VID_Init (void) { static char vid_center[] = "SDL_VIDEO_CENTERED=center"; int p, width, height, bpp, display_width, display_height, display_bpp; qboolean fullscreen; const char *read_vars[] = { "vid_fullscreen", "vid_width", "vid_height", "vid_bpp", "vid_vsync", "vid_fsaa", "vid_desktopfullscreen" }; #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_RegisterVariable (&vid_fsaa); //QuakeSpasm Cvar_RegisterVariable (&vid_desktopfullscreen); //QuakeSpasm 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); Cvar_SetCallback (&vid_fsaa, VID_FSAA_f); Cvar_SetCallback (&vid_desktopfullscreen, 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) < 0) Sys_Error("Couldn't init SDL video: %s", SDL_GetError()); #if defined(USE_SDL2) { SDL_DisplayMode mode; if (SDL_GetDesktopDisplayMode(0, &mode) != 0) Sys_Error("Could not get desktop display mode"); display_width = mode.w; display_height = mode.h; display_bpp = SDL_BITSPERPIXEL(mode.format); } #else { const SDL_VideoInfo *info = SDL_GetVideoInfo(); display_width = info->current_w; display_height = info->current_h; display_bpp = info->vfmt->BitsPerPixel; } #endif Cvar_SetValueQuick (&vid_bpp, (float)display_bpp); 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; fsaa = (int)vid_fsaa.value; if (COM_CheckParm("-current")) { width = display_width; height = display_height; bpp = display_bpp; fullscreen = true; } else { 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; } p = COM_CheckParm ("-fsaa"); if (p && p < com_argc-1) fsaa = atoi(com_argv[p+1]); 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 = display_bpp; 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; qboolean toggleWorked; Uint32 flags = 0; S_ClearBuffer (); if (!vid_toggle_works) goto vrestart; else if (gl_vbo_able) { // disabling the fast path because with SDL 1.2 it invalidates VBOs (using them // causes a crash, sugesting that the fullscreen toggle created a new GL context, // although texture objects remain valid for some reason). // // SDL2 does promise window resizes / fullscreen changes preserve the GL context, // so we could use the fast path with SDL2. --ericw vid_toggle_works = false; goto vrestart; } #if defined(USE_SDL2) if (!VID_GetFullscreen()) { flags = vid_desktopfullscreen.value ? SDL_WINDOW_FULLSCREEN_DESKTOP : SDL_WINDOW_FULLSCREEN; } toggleWorked = SDL_SetWindowFullscreen(draw_context, flags) == 0; #else toggleWorked = SDL_WM_ToggleFullScreen(draw_context) == 1; #endif if (toggleWorked) { Sbar_Changed (); // Sbar seems to need refreshing modestate = VID_GetFullscreen() ? 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, VID_GetFullscreen() ? "0" : "1"); Cbuf_AddText ("vid_restart\n"); } } /* ================ VID_SyncCvars -- johnfitz -- set vid cvars to match current video mode ================ */ void VID_SyncCvars (void) { if (draw_context) { if (!VID_GetDesktopFullscreen()) { Cvar_SetValueQuick (&vid_width, VID_GetCurrentWidth()); Cvar_SetValueQuick (&vid_height, VID_GetCurrentHeight()); } Cvar_SetValueQuick (&vid_bpp, VID_GetCurrentBPP()); Cvar_SetQuick (&vid_fullscreen, VID_GetFullscreen() ? "1" : "0"); Cvar_SetQuick (&vid_vsync, VID_GetVSync() ? "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: case K_KP_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 (); }