public Sdl2GraphicsContext(GraphicsMode mode,
IWindowInfo win, IGraphicsContext shareContext,
int major, int minor,
OpenTK.Graphics.GraphicsContextFlags flags)
: this(win)
{
lock (SDL.Sync)
{
bool retry = false;
do
{
SetGLAttributes(mode, shareContext, major, minor, flags);
SdlContext = new ContextHandle(SDL.GL.CreateContext(Window.Handle));
// If we failed to create a valid context, relax the GraphicsMode
// and try again.
retry =
SdlContext == ContextHandle.Zero &&
Utilities.RelaxGraphicsMode(ref mode);
}while (retry);
if (SdlContext == ContextHandle.Zero)
{
var error = SDL.GetError();
Debug.Print("SDL2 failed to create OpenGL context: {0}", error);
throw new GraphicsContextException(error);
}
Mode = GetGLAttributes(SdlContext, out flags);
}
Handle = GraphicsContext.GetCurrentContext();
Debug.Print("SDL2 created GraphicsContext (handle: {0})", Handle);
Debug.Print(" GraphicsMode: {0}", Mode);
Debug.Print(" GraphicsContextFlags: {0}", flags);
}
/// <summary>
/// Constructor
/// </summary>
public GameWindow(GameWindowParams param)
{
Trace.WriteDebugLine("[GameWindow] Constructor()");
if (param == null)
{
Trace.WriteDebugLine("[GameWindow] param == null !");
throw new ArgumentNullException("param");
}
InitializeComponent();
TK.GraphicsContextFlags compatible = param.Compatible ? TK.GraphicsContextFlags.Default : TK.GraphicsContextFlags.ForwardCompatible;
// Adds the control to the form
Trace.WriteDebugLine("[GameWindow] Requesting a {0}.{1} {2}Opengl context (Color: {3}, Depth: {4}, Stencil:{5}, Sample: {6})",
param.Major, param.Minor, param.Compatible ? "compatible " : string.Empty, param.Color, param.Depth, param.Stencil, param.Samples);
RenderControl = new OpenTK.GLControl(new TK.GraphicsMode(param.Color, param.Depth, param.Stencil, param.Samples),
param.Major, param.Minor, compatible);
Trace.WriteDebugLine("[GameWindow] Got GraphicsMode {0}", RenderControl.GraphicsMode);
RenderControl.Dock = DockStyle.Fill;
Controls.Add(RenderControl);
// Resize the window
ClientSize = param.Size;
VSync = true;
if (param.FullScreen)
{
SetFullScreen(param.Size, param.Color);
}
}
public Sdl2GraphicsContext(GraphicsMode mode,
IWindowInfo win, IGraphicsContext shareContext,
int major, int minor,
OpenTK.Graphics.GraphicsContextFlags flags)
: this(win)
{
lock (SDL.Sync)
{
SetGLAttributes(mode, shareContext, major, minor, flags);
SdlContext = new ContextHandle(SDL.SDL_GL_CreateContext(Window.Handle));
}
if (SdlContext == ContextHandle.Zero)
{
var error = SDL.SDL_GetError();
Debug.Print("SDL2 failed to create OpenGL context: {0}", error);
throw new GraphicsContextException(error);
}
Handle = GraphicsContext.GetCurrentContext();
}
public OpenTK.Graphics.IGraphicsContext CreateContext(int major, int minor, OpenTK.Graphics.GraphicsContextFlags flags)
{
return(new GraphicsContext(mode, window_info, major, minor, flags));
}