static void ShowError_SDL(string title, string text, Window parent = null)
{
if (!SDL2.Loaded)
{
SDL2.Load();
}
var result = SDL2.SDL_ShowSimpleMessageBox(SDL2.SDL_MESSAGEBOX_ERROR, title, text, parent == null ? IntPtr.Zero : parent.Handle);
if (result < 0)
{
throw new Exception(SDL2.GetErrorString());
}
}
void Init()
{
//open SDL2
SDL2.Load();
//initialise SDL2
if (SDL2.SDL_Init(SDL2.SDL_INIT_VIDEO) != 0)
{
SDL2.SDL_ShowSimpleMessageBox(
SDL2.SDL_MESSAGEBOX_ERROR,
"Error",
"SDL_Init failed, exiting.",
IntPtr.Zero
);
return;
}
//context attributes
SDL2.SDL_GL_SetAttribute(SDL2.SDL_GLattr.SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL2.SDL_GL_SetAttribute(SDL2.SDL_GLattr.SDL_GL_CONTEXT_MINOR_VERSION, 2);
SDL2.SDL_GL_SetAttribute(SDL2.SDL_GLattr.SDL_GL_CONTEXT_PROFILE_MASK,
(int)SDL2.SDL_GLprofile.SDL_GL_CONTEXT_PROFILE_CORE);
//create window
fullscreen = GraphicsSettings.Fullscreen;
var flags = GraphicsSettings.Fullscreen ?
SDL2.SDL_WindowFlags.SDL_WINDOW_FULLSCREEN_DESKTOP | SDL2.SDL_WindowFlags.SDL_WINDOW_OPENGL :
SDL2.SDL_WindowFlags.SDL_WINDOW_OPENGL;
var sdlWin = SDL2.SDL_CreateWindow(
Window.Title,
SDL2.SDL_WINDOWPOS_CENTERED,
SDL2.SDL_WINDOWPOS_CENTERED,
GraphicsSettings.RequestedWidth,
GraphicsSettings.RequestedHeight,
flags
);
Window.Width = GraphicsSettings.RequestedWidth;
Window.Height = GraphicsSettings.RequestedHeight;
Mouse = new Mouse();
Keyboard = new Keyboard();
if (sdlWin == IntPtr.Zero)
{
SDL2.SDL_ShowSimpleMessageBox(
SDL2.SDL_MESSAGEBOX_ERROR,
"Error",
"SDL_CreateWindow failed, exiting.",
IntPtr.Zero
);
return;
}
Window.Handle = sdlWin;
//create gl context
var glcontext = SDL2.SDL_GL_CreateContext(sdlWin);
if (glcontext == IntPtr.Zero)
{
SDL2.SDL_ShowSimpleMessageBox(
SDL2.SDL_MESSAGEBOX_ERROR,
"Error",
"Failed to get GL context, exiting.",
IntPtr.Zero
);
SDL2.SDL_Quit();
return;
}
//Load libraries
GL.Load();
FT.Load();
//Base gl state
GL.glEnable(GL.GL_BLEND);
GL.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
}
