/* ================= GL_CheckExtension ================= */ void GL_CheckExtension( const char *name, const dllfunc_t *funcs, const char *cvarname, int r_ext ) { const dllfunc_t *func; convar_t *parm; MsgDev( D_NOTE, "GL_CheckExtension: %s ", name ); if( cvarname ) { // system config disable extensions parm = Cvar_Get( cvarname, "1", CVAR_GLCONFIG, va( "enable or disable %s", name )); if( parm->integer == 0 || ( gl_extensions->integer == 0 && r_ext != GL_OPENGL_110 )) { MsgDev( D_NOTE, "- disabled\n" ); GL_SetExtension( r_ext, 0 ); return; // nothing to process at } GL_SetExtension( r_ext, 1 ); } if(( name[2] == '_' || name[3] == '_' ) && !Q_strstr( glConfig.extensions_string, name )) { GL_SetExtension( r_ext, false ); // update render info MsgDev( D_NOTE, "- ^1failed\n" ); return; } // clear exports for( func = funcs; func && func->name; func++ ) *func->func = NULL; GL_SetExtension( r_ext, true ); // predict extension state for( func = funcs; func && func->name != NULL; func++ ) { // functions are cleared before all the extensions are evaluated if(!(*func->func = (void *)GL_GetProcAddress( func->name ))) GL_SetExtension( r_ext, false ); // one or more functions are invalid, extension will be disabled } if( GL_Support( r_ext )) MsgDev( D_NOTE, "- ^2enabled\n" ); else MsgDev( D_NOTE, "- ^1failed\n" ); }
qboolean VID_InitMode(viddef_mode_t *mode) { const EventTypeSpec winEvents[] = { { kEventClassWindow, kEventWindowClosed }, { kEventClassWindow, kEventWindowCollapsing }, { kEventClassWindow, kEventWindowExpanded }, }; OSStatus carbonError; Rect windowBounds; CFStringRef windowTitle; AGLPixelFormat pixelFormat; GLint attributes [32]; GLenum error; if (!GL_OpenLibrary()) { Con_Printf("Unable to load GL driver\n"); return false; } if ((qaglChoosePixelFormat = (AGLPixelFormat (*) (const AGLDevice *gdevs, GLint ndev, const GLint *attribList))GL_GetProcAddress("aglChoosePixelFormat")) == NULL || (qaglCreateContext = (AGLContext (*) (AGLPixelFormat pix, AGLContext share))GL_GetProcAddress("aglCreateContext")) == NULL || (qaglDestroyContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglDestroyContext")) == NULL || (qaglDestroyPixelFormat = (void (*) (AGLPixelFormat pix))GL_GetProcAddress("aglDestroyPixelFormat")) == NULL || (qaglErrorString = (const GLubyte* (*) (GLenum code))GL_GetProcAddress("aglErrorString")) == NULL || (qaglGetError = (GLenum (*) (void))GL_GetProcAddress("aglGetError")) == NULL || (qaglSetCurrentContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglSetCurrentContext")) == NULL || (qaglSetDrawable = (GLboolean (*) (AGLContext ctx, AGLDrawable draw))GL_GetProcAddress("aglSetDrawable")) == NULL || (qaglSetFullScreen = (GLboolean (*) (AGLContext ctx, GLsizei width, GLsizei height, GLsizei freq, GLint device))GL_GetProcAddress("aglSetFullScreen")) == NULL || (qaglSetInteger = (GLboolean (*) (AGLContext ctx, GLenum pname, const GLint *params))GL_GetProcAddress("aglSetInteger")) == NULL || (qaglSwapBuffers = (void (*) (AGLContext ctx))GL_GetProcAddress("aglSwapBuffers")) == NULL ) { Con_Printf("AGL functions not found\n"); ReleaseWindow(window); return false; } qCGLEnable = (CGLError (*) (CGLContextObj ctx, CGLContextEnable pname)) CGL_GetProcAddress("CGLEnable"); qCGLDisable = (CGLError (*) (CGLContextObj ctx, CGLContextEnable pname)) CGL_GetProcAddress("CGLDisable"); qCGLGetCurrentContext = (CGLContextObj (*) (void)) CGL_GetProcAddress("CGLGetCurrentContext"); if(!qCGLEnable || !qCGLDisable || !qCGLGetCurrentContext) Con_Printf("CGL functions not found; disabling multithreaded OpenGL\n"); // Ignore the events from the previous window AsyncEvent_Quitting = false; AsyncEvent_Collapsed = false; // Create the window, a bit towards the center of the screen windowBounds.left = 100; windowBounds.top = 100; windowBounds.right = mode->width + 100; windowBounds.bottom = mode->height + 100; carbonError = CreateNewWindow(kDocumentWindowClass, kWindowStandardFloatingAttributes | kWindowStandardHandlerAttribute, &windowBounds, &window); if (carbonError != noErr || window == NULL) { Con_Printf("Unable to create window (error %u)\n", (unsigned)carbonError); return false; } // Set the window title windowTitle = CFSTR("DarkPlaces AGL"); SetWindowTitleWithCFString(window, windowTitle); // Install the callback function for the window events we can't get // through ReceiveNextEvent (i.e. close, collapse, and expand) InstallWindowEventHandler (window, NewEventHandlerUPP (MainWindowEventHandler), GetEventTypeCount(winEvents), winEvents, window, NULL); // Create the desired attribute list VID_BuildAGLAttrib(attributes, mode->bitsperpixel == 32, mode->fullscreen, mode->stereobuffer, mode->samples); if (!mode->fullscreen) { // Output to Window pixelFormat = qaglChoosePixelFormat(NULL, 0, attributes); error = qaglGetError(); if (error != AGL_NO_ERROR) { Con_Printf("qaglChoosePixelFormat FAILED: %s\n", (char *)qaglErrorString(error)); ReleaseWindow(window); return false; } } else // Output is fullScreen { CGDirectDisplayID mainDisplay; CFDictionaryRef refDisplayMode; GDHandle gdhDisplay; // Get the mainDisplay and set resolution to current mainDisplay = CGMainDisplayID(); CGDisplayCapture(mainDisplay); // TOCHECK: not sure whether or not it's necessary to change the resolution // "by hand", or if aglSetFullscreen does the job anyway refDisplayMode = CGDisplayBestModeForParametersAndRefreshRateWithProperty(mainDisplay, mode->bitsperpixel, mode->width, mode->height, mode->refreshrate, kCGDisplayModeIsSafeForHardware, NULL); CGDisplaySwitchToMode(mainDisplay, refDisplayMode); DMGetGDeviceByDisplayID((DisplayIDType)mainDisplay, &gdhDisplay, false); // Set pixel format with built attribs // Note: specifying a device is *required* for AGL_FullScreen pixelFormat = qaglChoosePixelFormat(&gdhDisplay, 1, attributes); error = qaglGetError(); if (error != AGL_NO_ERROR) { Con_Printf("qaglChoosePixelFormat FAILED: %s\n", (char *)qaglErrorString(error)); ReleaseWindow(window); return false; } } // Create a context using the pform context = qaglCreateContext(pixelFormat, NULL); error = qaglGetError(); if (error != AGL_NO_ERROR) { Con_Printf("qaglCreateContext FAILED: %s\n", (char *)qaglErrorString(error)); } // Make the context the current one ('enable' it) qaglSetCurrentContext(context); error = qaglGetError(); if (error != AGL_NO_ERROR) { Con_Printf("qaglSetCurrentContext FAILED: %s\n", (char *)qaglErrorString(error)); ReleaseWindow(window); return false; } // Discard pform qaglDestroyPixelFormat(pixelFormat); // Attempt fullscreen if requested if (mode->fullscreen) { qaglSetFullScreen (context, mode->width, mode->height, mode->refreshrate, 0); error = qaglGetError(); if (error != AGL_NO_ERROR) { Con_Printf("qaglSetFullScreen FAILED: %s\n", (char *)qaglErrorString(error)); return false; } } else { // Set Window as Drawable qaglSetDrawable(context, GetWindowPort(window)); error = qaglGetError(); if (error != AGL_NO_ERROR) { Con_Printf("qaglSetDrawable FAILED: %s\n", (char *)qaglErrorString(error)); ReleaseWindow(window); return false; } } if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL) Sys_Error("glGetString not found in %s", gl_driver); gl_platformextensions = ""; gl_platform = "AGL"; multithreadedgl = false; vid_isfullscreen = mode->fullscreen; vid_usingmouse = false; vid_usinghidecursor = false; vid_hidden = false; vid_activewindow = true; sound_active = true; GL_Init(); SelectWindow(window); ShowWindow(window); return true; }