static bool glwindow(char* title, int width, int height, int bits, bool fsflag,int frequency)
{
if ((SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) == -1)) {
handleerror(NULL,"Could not initialize SDL.","ERROR",MBF_OK|MBF_EXCL);
return false;
}
// Sets window manager properties
SDL_WM_SetIcon(SDL_LoadBMP("spring.bmp"),NULL);
SDL_WM_SetCaption(title, title);
int sdlflags = SDL_OPENGL | SDL_RESIZABLE;
conditionally_set_flag(sdlflags, SDL_FULLSCREEN, fsflag);
// FIXME: Might want to set color and depth sizes, too -- johannes
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER,1);
FSAA = MultisampleTest();
screen = SDL_SetVideoMode(width,height,bits,sdlflags);
if (!screen) {
handleerror(NULL,"Could not set video mode","ERROR",MBF_OK|MBF_EXCL);
return false;
}
if (FSAA)
FSAA = MultisampleVerify();
setupgl();
resizescene(screen->w,screen->h);
return true;
}
/**
* @return whether setting the video mode was successful
*
* Sets SDL video mode options/settings
*/
bool SpringApp::SetSDLVideoMode ()
{
int sdlflags = SDL_OPENGL | SDL_RESIZABLE;
conditionally_set_flag(sdlflags, SDL_FULLSCREEN, fullscreen);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
#ifdef __APPLE__
const int defaultDepthSize = 32;
#else
const int defaultDepthSize = 16;
#endif
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, configHandler.GetInt("DepthBufferBits", defaultDepthSize));
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
FSAA = MultisampleTest();
SDL_Surface *screen = SDL_SetVideoMode(screenWidth,screenHeight,0,sdlflags);
if (!screen) {
handleerror(NULL,"Could not set video mode","ERROR",MBF_OK|MBF_EXCL);
return false;
}
if (FSAA)
FSAA = MultisampleVerify();
return true;
}
/**
* @return whether setting the video mode was successful
*
* Sets SDL video mode options/settings
*/
bool SpringApp::SetSDLVideoMode ()
{
int sdlflags = SDL_OPENGL | SDL_RESIZABLE;
//conditionally_set_flag(sdlflags, SDL_FULLSCREEN, fullscreen);
sdlflags |= fullscreen ? SDL_FULLSCREEN : 0;
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
#ifdef __APPLE__
const int defaultDepthSize = 32;
#else
const int defaultDepthSize = 16;
#endif
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, configHandler.GetInt("DepthBufferBits", defaultDepthSize));
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, configHandler.GetInt("StencilBufferBits", 1));
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
FSAA = MultisampleTest();
SDL_Surface *screen = SDL_SetVideoMode(screenWidth, screenHeight, 0, sdlflags);
if (!screen) {
char buf[1024];
SNPRINTF(buf, sizeof(buf), "Could not set video mode:\n%s", SDL_GetError());
handleerror(NULL, buf, "ERROR", MBF_OK|MBF_EXCL);
return false;
}
// Something in SDL_SetVideoMode (OpenGL drivers?) messes with the FPU control word.
// Set single precision floating point math.
streflop_init<streflop::Simple>();
if (FSAA) {
FSAA = MultisampleVerify();
}
// setup GL smoothing
const int defaultSmooth = 0; // FSAA ? 0 : 3; // until a few things get fixed
const int lineSmoothing = configHandler.GetInt("SmoothLines", defaultSmooth);
if (lineSmoothing > 0) {
GLenum hint = GL_FASTEST;
if (lineSmoothing >= 3) {
hint = GL_NICEST;
} else if (lineSmoothing >= 2) {
hint = GL_DONT_CARE;
}
glEnable(GL_LINE_SMOOTH);
glHint(GL_LINE_SMOOTH_HINT, hint);
}
const int pointSmoothing = configHandler.GetInt("SmoothPoints", defaultSmooth);
if (pointSmoothing > 0) {
GLenum hint = GL_FASTEST;
if (pointSmoothing >= 3) {
hint = GL_NICEST;
} else if (pointSmoothing >= 2) {
hint = GL_DONT_CARE;
}
glEnable(GL_POINT_SMOOTH);
glHint(GL_POINT_SMOOTH_HINT, hint);
}
SetVSync();
// there must be a way to see if this is necessary, compare old/new context pointers?
if (!!configHandler.GetInt("FixAltTab", 0)) {
// free GL resources
GLContext::Free();
// initialize any GL resources that were lost
GLContext::Init();
}
// initialize the stencil
glClearStencil(0);
glClear(GL_STENCIL_BUFFER_BIT); SDL_GL_SwapBuffers();
glClear(GL_STENCIL_BUFFER_BIT); SDL_GL_SwapBuffers();
return true;
}
/**
* @brief Initializes the SpringApp instance
* @return whether initialization was successful
*/
bool SpringApp::Initialize()
{
#if !(defined(WIN32) || defined(__APPLE__) || defined(HEADLESS))
//! this MUST run before any other X11 call (esp. those by SDL!)
//! we need it to make calls to X11 threadsafe
if (!XInitThreads()) {
LOG_L(L_FATAL, "Xlib is not thread safe");
return false;
}
#endif
#if defined(_WIN32) && defined(__GNUC__)
// load QTCreator's gdb helper dll; a variant of this should also work on other OSes
{
// don't display a dialog box if gdb helpers aren't found
UINT olderrors = SetErrorMode(SEM_FAILCRITICALERRORS);
if (LoadLibrary("gdbmacros.dll")) {
LOG("QT Creator's gdbmacros.dll loaded");
}
SetErrorMode(olderrors);
}
#endif
// Initialize class system
creg::System::InitializeClasses();
// Initialize crash reporting
CrashHandler::Install();
globalRendering = new CGlobalRendering();
ParseCmdLine();
CMyMath::Init();
good_fpu_control_registers("::Run");
Watchdog::Install();
//! register (this) mainthread
Watchdog::RegisterThread(WDT_MAIN, true);
// log OS version
LOG("OS: %s", Platform::GetOS().c_str());
if (Platform::Is64Bit())
LOG("OS: 64bit native mode");
else if (Platform::Is32BitEmulation())
LOG("OS: emulated 32bit mode");
else
LOG("OS: 32bit native mode");
FileSystemInitializer::Initialize();
UpdateOldConfigs();
if (!InitWindow(("Spring " + SpringVersion::GetSync()).c_str())) {
SDL_Quit();
return false;
}
mouseInput = IMouseInput::GetInstance();
keyInput = KeyInput::GetInstance();
input.AddHandler(boost::bind(&SpringApp::MainEventHandler, this, _1));
// Global structures
gs = new CGlobalSynced();
gu = new CGlobalUnsynced();
// Initialize GLEW
LoadExtensions();
//! check if FSAA init worked fine
if (globalRendering->FSAA && !MultisampleVerify())
globalRendering->FSAA = 0;
InitOpenGL();
agui::InitGui();
LoadFonts();
globalRendering->PostInit();
// Initialize named texture handler
CNamedTextures::Init();
// Initialize Lua GL
LuaOpenGL::Init();
// Sound
ISound::Initialize();
InitJoystick();
SetProcessAffinity(configHandler->GetInt("SetCoreAffinity"));
// Create CGameSetup and CPreGame objects
Startup();
return true;
}
/**
* Initializes OpenGL
*/
void SpringApp::InitOpenGL()
{
// reinit vsync
VSync.Init();
// check if FSAA init worked fine
if (globalRendering->FSAA && !MultisampleVerify())
globalRendering->FSAA = 0;
// setup GL smoothing
const int lineSmoothing = configHandler->GetInt("SmoothLines");
if (lineSmoothing > 0) {
GLenum hint = GL_FASTEST;
if (lineSmoothing >= 3) {
hint = GL_NICEST;
} else if (lineSmoothing >= 2) {
hint = GL_DONT_CARE;
}
glEnable(GL_LINE_SMOOTH);
glHint(GL_LINE_SMOOTH_HINT, hint);
}
const int pointSmoothing = configHandler->GetInt("SmoothPoints");
if (pointSmoothing > 0) {
GLenum hint = GL_FASTEST;
if (pointSmoothing >= 3) {
hint = GL_NICEST;
} else if (pointSmoothing >= 2) {
hint = GL_DONT_CARE;
}
glEnable(GL_POINT_SMOOTH);
glHint(GL_POINT_SMOOTH_HINT, hint);
}
// setup LOD bias factor
const float lodBias = configHandler->GetFloat("TextureLODBias");
if (math::fabs(lodBias) > 0.01f) {
glTexEnvf(GL_TEXTURE_FILTER_CONTROL, GL_TEXTURE_LOD_BIAS, lodBias );
}
//FIXME not needed anymore with SDL2?
if (configHandler->GetBool("FixAltTab")) {
// free GL resources
GLContext::Free();
// initialize any GL resources that were lost
GLContext::Init();
}
// setup viewport
SetupViewportGeometry();
glViewport(globalRendering->viewPosX, globalRendering->viewPosY, globalRendering->viewSizeX, globalRendering->viewSizeY);
gluPerspective(45.0f, globalRendering->aspectRatio, 2.8f, CGlobalRendering::MAX_VIEW_RANGE);
// Initialize some GL states
glShadeModel(GL_SMOOTH);
glClearDepth(1.0f);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
// Clear Window
glClearColor(0.0f,0.0f,0.0f,0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
SDL_GL_SwapWindow(window);
// Print Final Mode (call after SetupViewportGeometry, which updates viewSizeX/Y)
SDL_DisplayMode dmode;
SDL_GetWindowDisplayMode(window, &dmode);
bool isBorderless = (SDL_GetWindowFlags(window) & SDL_WINDOW_BORDERLESS) != 0;
LOG("[%s] video mode set to %ix%i:%ibit @%iHz %s", __FUNCTION__, globalRendering->viewSizeX, globalRendering->viewSizeY, SDL_BITSPERPIXEL(dmode.format), dmode.refresh_rate, globalRendering->fullScreen ? (isBorderless ? "(borderless)" : "") : "(windowed)");
}
/**
* @brief Initializes the SpringApp instance
* @return whether initialization was successful
*/
bool SpringApp::Initialize()
{
#if !(defined(WIN32) || defined(__APPLE__) || defined(HEADLESS))
//! this MUST run before any other X11 call (esp. those by SDL!)
//! we need it to make calls to X11 threadsafe
if (!XInitThreads()) {
LOG_L(L_FATAL, "Xlib is not thread safe");
return false;
}
#endif
#if defined(_WIN32) && defined(__GNUC__)
// load QTCreator's gdb helper dll; a variant of this should also work on other OSes
{
// don't display a dialog box if gdb helpers aren't found
UINT olderrors = SetErrorMode(SEM_FAILCRITICALERRORS);
if (LoadLibrary("gdbmacros.dll")) {
LOG("QT Creator's gdbmacros.dll loaded");
}
SetErrorMode(olderrors);
}
#endif
// Initialize class system
creg::System::InitializeClasses();
// Initialize crash reporting
CrashHandler::Install();
globalRendering = new CGlobalRendering();
ParseCmdLine();
CMyMath::Init();
good_fpu_control_registers("::Run");
// log OS version
LOG("OS: %s", Platform::GetOS().c_str());
if (Platform::Is64Bit())
LOG("OS: 64bit native mode");
else if (Platform::Is32BitEmulation())
LOG("OS: emulated 32bit mode");
else
LOG("OS: 32bit native mode");
// Rename Threads
// We give the process itself the name `unknown`, htop & co. will still show the binary's name.
// But all child threads copy by default the name of their parent, so all threads that don't set
// their name themselves will show up as 'unknown'.
Threading::SetThreadName("unknown");
#ifdef _OPENMP
#pragma omp parallel
{
int i = omp_get_thread_num();
if (i != 0) { // 0 is the source thread
std::ostringstream buf;
buf << "omp" << i;
Threading::SetThreadName(buf.str().c_str());
}
}
#endif
// Install Watchdog
Watchdog::Install();
Watchdog::RegisterThread(WDT_MAIN, true);
FileSystemInitializer::Initialize();
// Create Window
if (!InitWindow(("Spring " + SpringVersion::GetSync()).c_str())) {
SDL_Quit();
return false;
}
mouseInput = IMouseInput::GetInstance();
keyInput = KeyInput::GetInstance();
input.AddHandler(boost::bind(&SpringApp::MainEventHandler, this, _1));
// Global structures
gs = new CGlobalSynced();
gu = new CGlobalUnsynced();
// Initialize GLEW
LoadExtensions();
//! check if FSAA init worked fine
if (globalRendering->FSAA && !MultisampleVerify())
globalRendering->FSAA = 0;
InitOpenGL();
agui::InitGui();
LoadFonts();
globalRendering->PostInit();
// Initialize named texture handler
CNamedTextures::Init();
// Initialize Lua GL
LuaOpenGL::Init();
// Sound & Input
ISound::Initialize();
InitJoystick();
// Multithreading & Affinity
LOG("CPU Cores: %d", Threading::GetAvailableCores());
const uint32_t affinity = configHandler->GetUnsigned("SetCoreAffinity");
const uint32_t cpuMask = Threading::SetAffinity(affinity);
if (cpuMask == 0xFFFFFF) {
LOG("CPU affinity not set");
}
else if (cpuMask != affinity) {
LOG("CPU affinity mask set: %d (config is %d)", cpuMask, affinity);
}
else if (cpuMask == 0) {
LOG_L(L_ERROR, "Failed to CPU affinity mask <%d>", affinity);
}
else {
LOG("CPU affinity mask set: %d", cpuMask);
}
// Create CGameSetup and CPreGame objects
Startup();
return true;
}
