/*
* Creates a window, initializes OpenGl settings, and updates the current height and width of the window.
*/
private void initializeOpenGL()
{
//Center the window
Sdl.SDL_putenv("SDL_VIDEO_CENTERED=center");
//Create the window
Debug.WriteLine("SDL_SetVideoMode Called");
vidSurface = Sdl.SDL_SetVideoMode(((fullscreen) ? 1 : windowWidth), ((fullscreen) ? 0 : windowHeight), 32, Sdl.SDL_OPENGL | Sdl.SDL_DOUBLEBUF | Sdl.SDL_HWSURFACE | ((fullscreen) ? Sdl.SDL_FULLSCREEN : 0));
if (vidSurface == null)
{
throw new Exception("Error, could not set video mode.");
}
//Marshal in surface to obtain info
Sdl.SDL_Surface managedSurface = (Sdl.SDL_Surface)Marshal.PtrToStructure(vidSurface, typeof(Sdl.SDL_Surface));
pixFmt = managedSurface.format;
//Current Dimensions of the window.
this.width = (short)managedSurface.w;
this.height = (short)managedSurface.h;
camera.setView();
//Settings
Sdl.SDL_GL_SetAttribute(Sdl.SDL_GL_DOUBLEBUFFER, 1);
Gl.glEnable(Gl.GL_TEXTURE_2D);
Gl.glClearColor(0, 0, 0, 1);
Gl.glClear(Gl.GL_COLOR_BUFFER_BIT);
Gl.glViewport(0, 0, width, height);
Gl.glMatrixMode(Gl.GL_PROJECTION);
Gl.glLoadIdentity();
Gl.glOrtho(0.0f, width, height, 0.0f, -1.0f, 1.0f);
Gl.glMatrixMode(Gl.GL_MODELVIEW);
Gl.glLoadIdentity();
Gl.glEnable(Gl.GL_BLEND);
Gl.glDisable(Gl.GL_DEPTH_TEST);
Gl.glBlendFunc(Gl.GL_SRC_ALPHA, Gl.GL_ONE_MINUS_SRC_ALPHA);
}
