void init(int argc, char* argv[])
{
setupGLUT(argc, argv);
setupGLEW();
setupOpenGL();
setupCallbacks();
}
void window_init(struct window_t* w,
const char* title,
const unsigned int width, const unsigned int height,
struct window_t* parent)
{
glfwWindowHint(GLFW_RESIZABLE, false);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
GLFWwindow* sharedContext = (parent == NULL) ? NULL : parent->handle;
w->handle = glfwCreateWindow(width, height,
title,
NULL,
sharedContext);
w->width = width;
w->height = height;
if (w->handle == NULL)
{
ZF_LOGF("Could not create GLFW window.");
}
setupOpenGL(w, width, height);
}
bool Engine::init() {
if (!app) {
Log::print("App not informed");
return false;
}
if (!initSDL()) {
return false;
}
setupOpenGL();
if (!initSDLWindow()) {
return false;
}
if (!initSDLGLContext()) {
return false;
}
if (!initGLEW()) {
return false;
}
printVersions();
if (!app->init()) {
return false;
}
reshape();
return true;
}
bool CDotWars::onInit()
{
if(SDL_Init(SDL_INIT_EVERYTHING) < 0)
return false;
if((pScreenSurf = SDL_SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, 32, SDL_HWSURFACE | SDL_GL_DOUBLEBUFFER | SDL_OPENGL)) == NULL)
return false;
//if we got here all is well
setupOpenGL();
return true;
}
void agg_renderer<T>::start_map_processing(Map const& map)
{
if(!setupOpenGLDone){
setupOpenGL(map);
setupOpenGLDone = true;
}
MAPNIK_LOG_DEBUG(agg_renderer) << "agg_renderer: Start map processing bbox=" << map.get_current_extent();
ras_ptr->clip_box(0,0,width_,height_);
glEnable(GL_MULTISAMPLE);
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
int main(int argc, char **argv) {
setupOpenGL(&argc, argv, "Kinematics", 512, 512);
// initialization code
Init();
// registration of callbacks
glutDisplayFunc(displayFunction);
glutIdleFunc(idleFunction);
glutKeyboardFunc(keyboardFunction);
glutReshapeFunc(reshapeFunction);
// entering the main loop
glutMainLoop();
return 0;
}
// this uses strings and vectors heavily so it is OK to use 'using'
void WindowManager::setWinParams(TInt winId, const std::string ¶ms) {
TuringWindow* win = getWin(winId);
std::vector<std::string> items;
WindowManager::split(items, params, ",");
std::vector<std::string>::const_iterator item = items.begin();
for (; item != items.end(); ++item) {
std::vector<std::string> parts;
split(parts,*item, ":;"); // split by either
if (parts.size() == 0) TuringCommon::runtimeError("Malformed window format specifier component.");
std::string tagname = parts[0];
if ((tagname.compare("graphics") == 0 || tagname.compare("screen") == 0) &&
parts.size() == 3) { // graphics:x;y
int x = atoi(parts[1].c_str());
int y = atoi(parts[2].c_str());
if (x < 1 || y < 1) {
TuringCommon::runtimeError("Tried to create a window with negative or zero size");
}
win->Width = x;
win->Height = y;
win->Win.SetSize(x,y);
} else if (tagname.compare("title") == 0 && parts.size() == 2) { // title:name
win->Title = parts[1];
} else if (tagname.compare("offscreenonly") == 0) {
win->OffScreenOnly = true;
} else if (tagname.compare("nooffscreenonly") == 0) {
win->OffScreenOnly = false;
} else {
TuringCommon::runtimeError("Don't recognize window option. Might just not be implemented.",true); // true = warn
}
}
win->Win.Create(sf::VideoMode(win->Width,win->Height), win->Title,sf::Style::Close,Settings);
//set up OpenGL
setupOpenGL(win);
// clearWin(winId);
}
void Win32RenderWindow::SetupRenderWindow()
{
GLuint PixelFormat; // Holds The Results After Searching For A Match
WNDCLASS wc; // Windows Class Structure
DWORD dwExStyle; // Window Extended Style
DWORD dwStyle; // Window Style
RECT WindowRect; // Grabs Rectangle Upper Left / Lower Right Values
WindowRect.left = (long)0; // Set Left Value To 0
WindowRect.right = (long)mWidth; // Set Right Value To Requested Width
WindowRect.top = (long)0; // Set Top Value To 0
WindowRect.bottom = (long) mHeight; // Set Bottom Value To Requested Height
//fullscreen=fullscreenflag; // Set The Global Fullscreen Flag
hInstance = GetModuleHandle(NULL); // Grab An Instance For Our Window
wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC; // Redraw On Size, And Own DC For Window.
//wc.lpfnWndProc = (WNDPROC) WndProc; // WndProc Handles Messages
wc.lpfnWndProc = (WNDPROC) Win32RenderWindow::WindowsCallback; // WndProc Handles Messages
wc.cbClsExtra = 0; // No Extra Window Data
wc.cbWndExtra = 0; // No Extra Window Data
wc.hInstance = hInstance; // Set The Instance
wc.hIcon = LoadIcon(NULL, IDI_WINLOGO); // Load The Default Icon
wc.hCursor = LoadCursor(NULL, IDC_ARROW); // Load The Arrow Pointer
wc.hbrBackground = NULL; // No Background Required For GL
wc.lpszMenuName = NULL; // We Don't Want A Menu
wc.lpszClassName = "OpenGL"; // Set The Class Name
if (!RegisterClass(&wc)) // Attempt To Register The Window Class
{
MessageBox(NULL,"Failed To Register The Window Class.","ERROR",MB_OK|MB_ICONEXCLAMATION);
}
/*if (fullscreen) // Attempt Fullscreen Mode?
{
DEVMODE dmScreenSettings; // Device Mode
memset(&dmScreenSettings,0,sizeof(dmScreenSettings)); // Makes Sure Memory's Cleared
dmScreenSettings.dmSize=sizeof(dmScreenSettings); // Size Of The Devmode Structure
dmScreenSettings.dmPelsWidth = width; // Selected Screen Width
dmScreenSettings.dmPelsHeight = height; // Selected Screen Height
dmScreenSettings.dmBitsPerPel = bits; // Selected Bits Per Pixel
dmScreenSettings.dmFields=DM_BITSPERPEL|DM_PELSWIDTH|DM_PELSHEIGHT;
// Try To Set Selected Mode And Get Results. NOTE: CDS_FULLSCREEN Gets Rid Of Start Bar.
if (ChangeDisplaySettings(&dmScreenSettings,CDS_FULLSCREEN)!=DISP_CHANGE_SUCCESSFUL)
{
// If The Mode Fails, Offer Two Options. Quit Or Use Windowed Mode.
if (MessageBox(NULL,"The Requested Fullscreen Mode Is Not Supported By\nYour Video Card. Use Windowed Mode Instead?","NeHe GL",MB_YESNO|MB_ICONEXCLAMATION)==IDYES)
{
fullscreen=FALSE; // Windowed Mode Selected. Fullscreen = FALSE
}
else
{
// Pop Up A Message Box Letting User Know The Program Is Closing.
MessageBox(NULL,"Program Will Now Close.","ERROR",MB_OK|MB_ICONSTOP);
return FALSE; // Return FALSE
}
}
}*/
//if (fullscreen) // Are We Still In Fullscreen Mode?
//{
// dwExStyle=WS_EX_APPWINDOW; // Window Extended Style
// dwStyle=WS_POPUP; // Windows Style
// ShowCursor(FALSE); // Hide Mouse Pointer
//}
//else
//{
dwExStyle=WS_EX_APPWINDOW | WS_EX_WINDOWEDGE; // Window Extended Style
dwStyle=WS_OVERLAPPEDWINDOW; // Windows Style
//}
AdjustWindowRectEx(&WindowRect, dwStyle, FALSE, dwExStyle); // Adjust Window To True Requested Size
// Create The Window
hWnd = CreateWindowEx( dwExStyle, // Extended Style For The Window
"OpenGL", // Class Name
"GLEngine", // Window Title
dwStyle | // Defined Window Style
WS_CLIPSIBLINGS | // Required Window Style
WS_CLIPCHILDREN, // Required Window Style
0, 0, // Window Position
mWidth, // Calculate Window Width
mHeight, // Calculate Window Height
NULL, // No Parent Window
NULL, // No Menu
hInstance, // Instance
NULL); // Dont Pass Anything To WM_CREATE
//{
// KillGLWindow(); // Reset The Display
// MessageBox(NULL,"Window Creation Error.","ERROR",MB_OK|MB_ICONEXCLAMATION);
//}
static PIXELFORMATDESCRIPTOR pfd= // pfd Tells Windows How We Want Things To Be
{
sizeof(PIXELFORMATDESCRIPTOR), // Size Of This Pixel Format Descriptor
1, // Version Number
PFD_DRAW_TO_WINDOW | // Format Must Support Window
PFD_SUPPORT_OPENGL | // Format Must Support OpenGL
PFD_DOUBLEBUFFER, // Must Support Double Buffering
PFD_TYPE_RGBA, // Request An RGBA Format
32, // Select Our Color Depth
0, 0, 0, 0, 0, 0, // Color Bits Ignored
0, // No Alpha Buffer
0, // Shift Bit Ignored
0, // No Accumulation Buffer
0, 0, 0, 0, // Accumulation Bits Ignored
16, // 16Bit Z-Buffer (Depth Buffer)
0, // No Stencil Buffer
0, // No Auxiliary Buffer
PFD_MAIN_PLANE, // Main Drawing Layer
0, // Reserved
0, 0, 0 // Layer Masks Ignored
};
hDC = GetDC(hWnd); // Did We Get A Device Context?
//{
// KillGLWindow(); // Reset The Display
// MessageBox(NULL,"Can't Create A GL Device Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
//}
PixelFormat = ChoosePixelFormat(hDC,&pfd); // Did Windows Find A Matching Pixel Format?
//{
// KillGLWindow(); // Reset The Display
// MessageBox(NULL,"Can't Find A Suitable PixelFormat.","ERROR",MB_OK|MB_ICONEXCLAMATION);
//}
SetPixelFormat(hDC,PixelFormat,&pfd); // Are We Able To Set The Pixel Format?
//{
// KillGLWindow(); // Reset The Display
// MessageBox(NULL,"Can't Set The PixelFormat.","ERROR",MB_OK|MB_ICONEXCLAMATION);
//}
hRC = wglCreateContext(hDC); // Are We Able To Get A Rendering Context?
//{
// KillGLWindow(); // Reset The Display
// MessageBox(NULL,"Can't Create A GL Rendering Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
//}
wglMakeCurrent(hDC,hRC); // Try To Activate The Rendering Context
//{
// KillGLWindow(); // Reset The Display
// MessageBox(NULL,"Can't Activate The GL Rendering Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
//}
ShowWindow(hWnd,SW_SHOW); // Show The Window
SetForegroundWindow(hWnd); // Slightly Higher Priority
SetFocus(hWnd); // Sets Keyboard Focus To The Window
//ReSizeGLScene(width, height); // Set Up Our Perspective GL Screen
mProcessMessageDelegate = new ProcessMessageDelegate<Win32RenderWindow>(this, &Win32RenderWindow::ProcessMessage);
GLenum err = glewInit();
setupOpenGL();
}
/**
* this method is used to initialize the gl window
*/
void GLWindow::init(){
setupOpenGL();
fpsTimer.restart();
}
