int swap_interval = 1; // Default interval is defined as 1 in EGL.
#endregion
#region Constructors
public EglContext(GraphicsMode mode, EglWindowInfo window, IGraphicsContext sharedContext,
int major, int minor, GraphicsContextFlags flags)
{
if (mode == null)
throw new ArgumentNullException("mode");
if (window == null)
throw new ArgumentNullException("window");
EglContext shared = (EglContext)sharedContext;
int dummy_major, dummy_minor;
if (!Egl.Initialize(window.Display, out dummy_major, out dummy_minor))
throw new GraphicsContextException(String.Format("Failed to initialize EGL, error {0}.", Egl.GetError()));
WindowInfo = window;
// Select an EGLConfig that matches the desired mode. We cannot use the 'mode'
// parameter directly, since it may have originated on a different system (e.g. GLX)
// and it may not support the desired renderer.
Mode = new EglGraphicsMode().SelectGraphicsMode(mode.ColorFormat,
mode.Depth, mode.Stencil, mode.Samples, mode.AccumulatorFormat,
mode.Buffers, mode.Stereo,
major > 1 ? RenderableFlags.ES2 : RenderableFlags.ES);
if (!Mode.Index.HasValue)
throw new GraphicsModeException("Invalid or unsupported GraphicsMode.");
IntPtr config = Mode.Index.Value;
if (window.Surface == IntPtr.Zero)
window.CreateWindowSurface(config);
int[] attrib_list = new int[] { Egl.CONTEXT_CLIENT_VERSION, major, Egl.NONE };
HandleAsEGLContext = Egl.CreateContext(window.Display, config, shared != null ? shared.HandleAsEGLContext : IntPtr.Zero, attrib_list);
MakeCurrent(window);
}
public static IGraphicsContext CreateGraphicsContext(GraphicsMode mode, IWindowInfo window, int major, int minor, GraphicsContextFlags flags)
{
GraphicsContext graphicsContext = new GraphicsContext(mode, window, major, minor, flags);
graphicsContext.MakeCurrent(window);
graphicsContext.LoadAll();
return (IGraphicsContext) graphicsContext;
}
public override IGraphicsContext CreateGLContext(ContextHandle handle, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
WinWindowInfo winWindowInfo = (WinWindowInfo) window;
IntPtr display = this.GetDisplay(winWindowInfo.DeviceContext);
EglWindowInfo window1 = new EglWindowInfo(winWindowInfo.WindowHandle, display);
return (IGraphicsContext) new EglContext(handle, window1, shareContext, major, minor, flags);
}
public override IGraphicsContext CreateGLContext(ContextHandle handle, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
X11WindowInfo x11_win = (X11WindowInfo)window;
//EglWindowInfo egl_win = new OpenTK.Platform.Egl.EglWindowInfo(x11_win.WindowHandle, Egl.GetDisplay(x11_win.Display));
EglWindowInfo egl_win = new OpenTK.Platform.Egl.EglWindowInfo(x11_win.WindowHandle, Egl.GetDisplay(new IntPtr(0)));
return new EglContext(handle, egl_win, shareContext, major, minor, flags);
}
bool vsync = true; // Default vsync value is defined as 1 (true) in EGL.
#endregion
#region Constructors
public EglContext(GraphicsMode mode, EglWindowInfo window, IGraphicsContext sharedContext,
int major, int minor, GraphicsContextFlags flags)
{
if (mode == null)
throw new ArgumentNullException("mode");
if (window == null)
throw new ArgumentNullException("window");
EglContext shared = (EglContext)sharedContext;
int dummy_major, dummy_minor;
if (!Egl.Initialize(window.Display, out dummy_major, out dummy_minor))
throw new GraphicsContextException(String.Format("Failed to initialize EGL, error {0}.", Egl.GetError()));
WindowInfo = window;
Mode = new EglGraphicsMode().SelectGraphicsMode(mode.ColorFormat, mode.Depth, mode.Stencil, mode.Samples, mode.AccumulatorFormat, mode.Buffers, mode.Stereo);
if (!Mode.Index.HasValue)
throw new GraphicsModeException("Invalid or unsupported GraphicsMode.");
IntPtr config = Mode.Index.Value;
if (window.Surface == IntPtr.Zero)
window.CreateWindowSurface(config);
int[] attrib_list = new int[] { Egl.CONTEXT_CLIENT_VERSION, major, Egl.NONE };
HandleAsEGLContext = Egl.CreateContext(window.Display, config, shared != null ? shared.HandleAsEGLContext : IntPtr.Zero, attrib_list);
MakeCurrent(window);
}
public override OpenTK.Graphics.IGraphicsContext CreateGLContext(
GraphicsMode mode, IWindowInfo window, IGraphicsContext shareContext, bool directRendering,
int major, int minor, GraphicsContextFlags flags)
{
flags |= GraphicsContextFlags.Embedded;
return base.CreateGLContext(mode, window, shareContext, directRendering, major, minor, flags);
}
public override IGraphicsContext CreateGLContext(ContextHandle handle, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
WinWindowInfo win_win = (WinWindowInfo)window;
IntPtr egl_display = GetDisplay(win_win.DeviceContext);
EglWindowInfo egl_win = new OpenTK.Platform.Egl.EglWindowInfo(win_win.WindowHandle, egl_display);
return new EglContext(handle, egl_win, shareContext, major, minor, flags);
}
internal iPhoneOSGraphicsContext(ContextHandle handle, IWindowInfo window, IGraphicsContext sharedContext, int major, int minor, GraphicsContextFlags flags)
{
// ignore mode, window
iPhoneOSGraphicsContext shared = sharedContext as iPhoneOSGraphicsContext;
EAGLRenderingAPI version = 0;
if (major == 1 && minor == 1)
version = EAGLRenderingAPI.OpenGLES1;
else if (major == 2 && minor == 0)
version = EAGLRenderingAPI.OpenGLES2;
else if (major == 3 && minor == 0)
version = EAGLRenderingAPI.OpenGLES3;
else
throw new ArgumentException (string.Format("Unsupported GLES version {0}.{1}.", major, minor));
if (handle.Handle == IntPtr.Zero) {
EAGLContext = shared != null && shared.EAGLContext != null
? new EAGLContext(version, shared.EAGLContext.ShareGroup)
: new EAGLContext(version);
contextHandle = new ContextHandle(EAGLContext.Handle);
} else {
EAGLContext = (EAGLContext) Runtime.GetNSObject (handle.Handle);
contextHandle = handle;
}
}
public EglContext(GraphicsMode mode, EglWindowInfo window, IGraphicsContext sharedContext, int major, int minor, GraphicsContextFlags flags)
{
if (mode == null)
throw new ArgumentNullException("mode");
if (window == null)
throw new ArgumentNullException("window");
EglContext eglContext = (EglContext) sharedContext;
int major1;
int minor1;
if (!Egl.Initialize(window.Display, out major1, out minor1))
throw new GraphicsContextException(string.Format("Failed to initialize EGL, error {0}.", (object) Egl.GetError()));
this.WindowInfo = window;
this.Mode = new EglGraphicsMode().SelectGraphicsMode(mode.ColorFormat, mode.Depth, mode.Stencil, mode.Samples, mode.AccumulatorFormat, mode.Buffers, mode.Stereo, major > 1 ? RenderableFlags.ES2 : RenderableFlags.ES);
if (!this.Mode.Index.HasValue)
throw new GraphicsModeException("Invalid or unsupported GraphicsMode.");
IntPtr config = this.Mode.Index.Value;
if (window.Surface == IntPtr.Zero)
window.CreateWindowSurface(config);
int[] attrib_list = new int[3]
{
12440,
major,
12344
};
this.HandleAsEGLContext = Egl.CreateContext(window.Display, config, eglContext != null ? eglContext.HandleAsEGLContext : IntPtr.Zero, attrib_list);
this.MakeCurrent((IWindowInfo) window);
}
public override IGraphicsContext CreateGLContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
WinWindowInfo win_win = (WinWindowInfo)window;
EGLDisplay egl_display = Egl.GetDisplay(EGLNativeDisplayType.Default); // Egl.GetDisplay(new EGLNativeDisplayType(win_win.DeviceContext));
EglWindowInfo egl_win = new OpenTK.Platform.Egl.EglWindowInfo(win_win.WindowHandle, egl_display);
return new EglContext(mode, egl_win, shareContext, major, minor, flags);
}
public AndroidGraphicsContext (GraphicsMode mode, IWindowInfo window, IGraphicsContext sharedContext,
int major, int minor, GraphicsContextFlags flags)
{
if (major < 1 || major > 3)
throw new ArgumentException (string.Format("Unsupported GLES version {0}.{1}.", major, minor));
Init (mode, window, sharedContext, major, minor, flags);
}
public EglContext(ContextHandle handle, EglWindowInfo window, IGraphicsContext sharedContext, int major, int minor, GraphicsContextFlags flags)
{
if (handle == ContextHandle.Zero)
throw new ArgumentException("handle");
if (window == null)
throw new ArgumentNullException("window");
this.Handle = handle;
}
public BaseGame(string projectName, int glVersionMajor, int glVersionMinor, GraphicsContextFlags flags)
: base(Settings.Width, Settings.Height,
new GraphicsMode(Settings.Bpp, Settings.DepthBpp, 0, Settings.FSAA, 0, 2, false),
projectName, 0, DisplayDevice.Default,
glVersionMajor, glVersionMinor,
flags)
{
Init();
Running = true;
}
/// <summary>
/// Creates an IGraphicsContext instance for the specified window.
/// </summary>
/// <param name="mode">The GraphicsMode for the GraphicsContext.</param>
/// <param name="window">An IWindowInfo instance describing the parent window for this IGraphicsContext.</param>
/// <param name="major">The major OpenGL version number for this IGraphicsContext.</param>
/// <param name="minor">The minor OpenGL version number for this IGraphicsContext.</param>
/// <param name="flags">A bitwise collection of GraphicsContextFlags with specific options for this IGraphicsContext.</param>
/// <returns>A new IGraphicsContext instance.</returns>
public static IGraphicsContext CreateGraphicsContext(
GraphicsMode mode, IWindowInfo window,
int major, int minor, GraphicsContextFlags flags)
{
GraphicsContext context = new GraphicsContext(mode, window, major, minor, flags);
context.MakeCurrent(window);
(context as IGraphicsContextInternal).LoadAll();
return context;
}
public LinuxGraphicsContext(GraphicsMode mode, LinuxWindowInfo window, IGraphicsContext sharedContext,
int major, int minor, GraphicsContextFlags flags)
: base(mode, window, sharedContext, major, minor, flags)
{
if (mode.Buffers < 1)
throw new ArgumentException();
fd = window.FD;
PageFlip = HandlePageFlip;
PageFlipPtr = Marshal.GetFunctionPointerForDelegate(PageFlip);
}
public X11GLContext(ContextHandle handle, IWindowInfo window, IGraphicsContext shared, bool direct,
int major, int minor, GraphicsContextFlags flags)
: base(DesktopBackend.OpenGL)
{
if (handle == ContextHandle.Zero)
throw new ArgumentException("handle");
if (window == null)
throw new ArgumentNullException("window");
Handle = handle;
currentWindow = (X11WindowInfo)window;
Display = currentWindow.Display;
}
/// <summary>
/// Constructs a new GLControl with the specified GraphicsMode.
/// </summary>
/// <param name="mode">The OpenTK.Graphics.GraphicsMode of the control.</param>
/// <param name="major">The major version for the OpenGL GraphicsContext.</param>
/// <param name="minor">The minor version for the OpenGL GraphicsContext.</param>
/// <param name="flags">The GraphicsContextFlags for the OpenGL GraphicsContext.</param>
public GLControl(GraphicsMode mode, int major, int minor, GraphicsContextFlags flags)
{
if (mode == null)
throw new ArgumentNullException("mode");
SetStyle(ControlStyles.Opaque, true);
SetStyle(ControlStyles.UserPaint, true);
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
DoubleBuffered = false;
this.format = mode;
this.major = major;
this.minor = minor;
this.flags = flags;
InitializeComponent();
}
public GraphicsContext(GraphicsMode mode, IWindowInfo window, int major, int minor, GraphicsContextFlags flags)
{
lock (GraphicsContext.SyncRoot)
{
bool local_0 = false;
if (mode == null && window == null)
{
local_0 = true;
}
else
{
if (mode == null)
throw new ArgumentNullException("mode", "Must be a valid GraphicsMode.");
if (window == null)
throw new ArgumentNullException("window", "Must point to a valid window.");
}
if (major <= 0)
major = 1;
if (minor < 0)
minor = 0;
IGraphicsContext local_1_1 = GraphicsContext.FindSharedContext();
if (local_0)
{
this.implementation = (IGraphicsContext) new DummyGLContext();
}
else
{
IPlatformFactory local_2 = (IPlatformFactory) null;
switch ((flags & GraphicsContextFlags.Embedded) == GraphicsContextFlags.Embedded)
{
case false:
local_2 = Factory.Default;
break;
case true:
local_2 = Factory.Embedded;
break;
}
this.implementation = local_2.CreateGLContext(mode, window, local_1_1, GraphicsContext.direct_rendering, major, minor, flags);
if (GraphicsContext.GetCurrentContext == null)
{
GraphicsContext.GetCurrentContextDelegate local_3 = local_2.CreateGetCurrentGraphicsContext();
if (local_3 != null)
GraphicsContext.GetCurrentContext = local_3;
}
}
GraphicsContext.available_contexts.Add(this.Context, new WeakReference((object) this));
}
}
int swap_interval = 1; // Default interval is defined as 1 in EGL.
#endregion
#region Constructors
public EglContext(GraphicsMode mode, EglWindowInfo window, IGraphicsContext sharedContext,
int major, int minor, GraphicsContextFlags flags)
{
if (mode == null)
throw new ArgumentNullException("mode");
if (window == null)
throw new ArgumentNullException("window");
EglContext shared = (EglContext)sharedContext;
WindowInfo = window;
// Select an EGLConfig that matches the desired mode. We cannot use the 'mode'
// parameter directly, since it may have originated on a different system (e.g. GLX)
// and it may not support the desired renderer.
Renderable = RenderableFlags.GL;
if ((flags & GraphicsContextFlags.Embedded) != 0)
{
Renderable = major > 1 ? RenderableFlags.ES2 : RenderableFlags.ES;
}
RenderApi api = (Renderable & RenderableFlags.GL) != 0 ? RenderApi.GL : RenderApi.ES;
Debug.Print("[EGL] Binding {0} rendering API.", api);
if (!Egl.BindAPI(api))
{
Debug.Print("[EGL] Failed to bind rendering API. Error: {0}", Egl.GetError());
}
Mode = new EglGraphicsMode().SelectGraphicsMode(window,
mode.ColorFormat, mode.Depth, mode.Stencil, mode.Samples,
mode.AccumulatorFormat, mode.Buffers, mode.Stereo,
Renderable);
if (!Mode.Index.HasValue)
throw new GraphicsModeException("Invalid or unsupported GraphicsMode.");
IntPtr config = Mode.Index.Value;
if (window.Surface == IntPtr.Zero)
window.CreateWindowSurface(config);
int[] attrib_list = new int[] { Egl.CONTEXT_CLIENT_VERSION, major, Egl.NONE };
HandleAsEGLContext = Egl.CreateContext(window.Display, config, shared != null ? shared.HandleAsEGLContext : IntPtr.Zero, attrib_list);
MakeCurrent(window);
}
/// <summary>
/// Constructs a new GraphicsContext with the specified GraphicsMode, version and flags, and attaches it to the specified window.
/// </summary>
/// <param name="mode">The OpenTK.Graphics.GraphicsMode of the GraphicsContext.</param>
/// <param name="window">The OpenTK.Platform.IWindowInfo to attach the GraphicsContext to.</param>
/// <param name="major">The major version of the new GraphicsContext.</param>
/// <param name="minor">The minor version of the new GraphicsContext.</param>
/// <param name="flags">The GraphicsContextFlags for the GraphicsContext.</param>
/// <remarks>
/// Different hardware supports different flags, major and minor versions. Invalid parameters will be silently ignored.
/// </remarks>
public GraphicsContext(GraphicsMode mode, IWindowInfo window, int major, int minor, GraphicsContextFlags flags)
{
lock (SyncRoot)
{
bool designMode = false;
if (mode == null && window == null)
designMode = true;
else if (mode == null) throw new ArgumentNullException("mode", "Must be a valid GraphicsMode.");
else if (window == null) throw new ArgumentNullException("window", "Must point to a valid window.");
// Silently ignore invalid major and minor versions.
if (major <= 0)
major = 1;
if (minor < 0)
minor = 0;
Debug.Print("Creating GraphicsContext.");
try
{
Debug.Indent();
Debug.Print("GraphicsMode: {0}", mode);
Debug.Print("IWindowInfo: {0}", window);
Debug.Print("GraphicsContextFlags: {0}", flags);
Debug.Print("Requested version: {0}.{1}", major, minor);
IGraphicsContext shareContext = shareContext = FindSharedContext();
// Todo: Add a DummyFactory implementing IPlatformFactory.
if (designMode)
implementation = new Platform.Dummy.DummyGLContext();
else
switch ((flags & GraphicsContextFlags.Embedded) == GraphicsContextFlags.Embedded)
{
case false: implementation = Factory.Default.CreateGLContext(mode, window, shareContext, direct_rendering, major, minor, flags); break;
case true: implementation = Factory.Embedded.CreateGLContext(mode, window, shareContext, direct_rendering, major, minor, flags); break;
}
available_contexts.Add((this as IGraphicsContextInternal).Context, new WeakReference(this));
}
finally
{
Debug.Unindent();
}
}
}
public DesktopViewController(Type rootClass, int windowWidth, int windowHeight, string windowTitle,
GameWindowFlags windowFlags, DisplayDevice device, GraphicsContextFlags flags)
: base(windowWidth, windowHeight, GraphicsMode.Default, windowTitle, windowFlags, device, -1, -1, flags)
{
Console.WriteLine("Sparrow-sharp: Starting");
_rootClass = rootClass;
Load += HandleLoad;
RenderFrame += HandleRenderFrame;
Mouse.Move += OnMouseMove;
Mouse.ButtonDown += OnMouseButtonChange;
Mouse.ButtonUp += OnMouseButtonChange;
// Run the game at 60 updates per second
Run(60.0);
}
public Program(int width, int height, GraphicsMode mode, string title, GameWindowFlags options, DisplayDevice device,
int major, int minor, GraphicsContextFlags flags, IGraphicsContext sharedContext)
: base(width, height, title, options,
mode == null ? GraphicsMode.Default : mode,
device == null ? DisplayDevice.Default : device)
{
try
{
glContext = new GraphicsContext(mode == null ? GraphicsMode.Default : mode, WindowInfo, major, minor, flags);
glContext.MakeCurrent(WindowInfo);
(glContext as IGraphicsContextInternal).LoadAll();
}
catch (Exception e)
{
Debug.Print(e.ToString());
base.Dispose();
throw;
}
}
public SDL2GLContext (GraphicsMode mode, IWindowInfo windowInfo, IGraphicsContext shared, bool direct,
int major, int minor, GraphicsContextFlags flags)
{
SDL2WindowInfo currentWindow = (SDL2WindowInfo)windowInfo;
window = currentWindow.WindowHandle;
if (shared != null) {
shared.MakeCurrent (windowInfo);
lock (API.sdl_api_lock) {
API.GL_SetAttribute (API.GLAttr.ShareWithCurrentContext, 1);
}
}
lock (API.sdl_api_lock) {
context = API.GL_CreateContext (currentWindow.WindowHandle);
}
MakeCurrent (windowInfo);
if (shared != null) {
shared.MakeCurrent (windowInfo);
}
Handle = new ContextHandle(context);
}
public abstract IGraphicsContext CreateGLContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags);
/// <summary>Constructs a new GameWindow with the specified attributes.</summary>
/// <param name="width">The width of the GameWindow in pixels.</param>
/// <param name="height">The height of the GameWindow in pixels.</param>
/// <param name="mode">The OpenTK.Graphics.GraphicsMode of the GameWindow.</param>
/// <param name="title">The title of the GameWindow.</param>
/// <param name="options">GameWindow options regarding window appearance and behavior.</param>
/// <param name="device">The OpenTK.Graphics.DisplayDevice to construct the GameWindow in.</param>
/// <param name="major">The major version for the OpenGL GraphicsContext.</param>
/// <param name="minor">The minor version for the OpenGL GraphicsContext.</param>
/// <param name="flags">The GraphicsContextFlags version for the OpenGL GraphicsContext.</param>
public GameWindow(int width, int height, GraphicsMode mode, string title, GameWindowFlags options, DisplayDevice device,
int major, int minor, GraphicsContextFlags flags)
: this(width, height, mode, title, options, device, major, minor, flags, null)
{ }
public NxTransparentGameWindow(int width, int height, GraphicsMode mode, string title, GameWindowFlags options, DisplayDevice device, int major, int minor, GraphicsContextFlags flags, IGraphicsContext sharedContext, bool isSingleThreaded) : base(width, height, mode, title, options, device, major, minor, flags, sharedContext, isSingleThreaded)
{
init();
}
static GraphicsMode GetGLAttributes(ContextHandle sdlContext, out GraphicsContextFlags context_flags)
{
context_flags = 0;
int accum_red, accum_green, accum_blue, accum_alpha;
SDL.GL.GetAttribute(ContextAttribute.ACCUM_RED_SIZE, out accum_red);
SDL.GL.GetAttribute(ContextAttribute.ACCUM_GREEN_SIZE, out accum_green);
SDL.GL.GetAttribute(ContextAttribute.ACCUM_BLUE_SIZE, out accum_blue);
SDL.GL.GetAttribute(ContextAttribute.ACCUM_ALPHA_SIZE, out accum_alpha);
int buffers;
SDL.GL.GetAttribute(ContextAttribute.DOUBLEBUFFER, out buffers);
// DOUBLEBUFFER return a boolean (0-false, 1-true), so we need
// to adjust the buffer count (false->1 buffer, true->2 buffers)
buffers++;
int red, green, blue, alpha;
SDL.GL.GetAttribute(ContextAttribute.RED_SIZE, out red);
SDL.GL.GetAttribute(ContextAttribute.GREEN_SIZE, out green);
SDL.GL.GetAttribute(ContextAttribute.BLUE_SIZE, out blue);
SDL.GL.GetAttribute(ContextAttribute.ALPHA_SIZE, out alpha);
int depth, stencil;
SDL.GL.GetAttribute(ContextAttribute.DEPTH_SIZE, out depth);
SDL.GL.GetAttribute(ContextAttribute.STENCIL_SIZE, out stencil);
int samples;
SDL.GL.GetAttribute(ContextAttribute.MULTISAMPLESAMPLES, out samples);
int stereo;
SDL.GL.GetAttribute(ContextAttribute.STEREO, out stereo);
int major, minor;
SDL.GL.GetAttribute(ContextAttribute.CONTEXT_MAJOR_VERSION, out major);
SDL.GL.GetAttribute(ContextAttribute.CONTEXT_MINOR_VERSION, out minor);
int flags;
SDL.GL.GetAttribute(ContextAttribute.CONTEXT_FLAGS, out flags);
int egl;
SDL.GL.GetAttribute(ContextAttribute.CONTEXT_EGL, out egl);
int profile;
SDL.GL.GetAttribute(ContextAttribute.CONTEXT_PROFILE_MASK, out profile);
if (egl != 0 && (profile & (int)ContextProfileFlags.ES) != 0)
{
context_flags |= GraphicsContextFlags.Embedded;
}
if ((flags & (int)ContextFlags.DEBUG) != 0)
{
context_flags |= GraphicsContextFlags.Debug;
}
if ((profile & (int)ContextProfileFlags.CORE) != 0)
{
context_flags |= GraphicsContextFlags.ForwardCompatible;
}
return(new GraphicsMode(
new ColorFormat(red, green, blue, alpha),
depth,
stencil,
samples,
new ColorFormat(accum_red, accum_green, accum_blue, accum_alpha),
buffers,
stereo != 0 ? true : false));
}
public override IGraphicsContext CreateGLContext(ContextHandle handle, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
WinWindowInfo win_win = (WinWindowInfo)window;
IntPtr egl_display = GetDisplay(win_win.DeviceContext);
EglWindowInfo egl_win = new osuTK.Platform.Egl.EglWindowInfo(win_win.Handle, egl_display);
return(new EglWinContext(handle, egl_win, shareContext, major, minor, flags));
}
public override IGraphicsContext CreateGLContext(ContextHandle handle, IWindowInfo window,
IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
throw new PlatformNotSupportedException(error_string);
}
internal iPhoneOSGraphicsContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext sharedContext, int major, int minor, GraphicsContextFlags flags)
{
// ignore mode, window
iPhoneOSGraphicsContext shared = sharedContext as iPhoneOSGraphicsContext;
EAGLRenderingAPI version = 0;
if (major == 2 && minor == 0)
{
version = EAGLRenderingAPI.OpenGLES2;
}
else if (major == 3 && minor == 0)
{
version = EAGLRenderingAPI.OpenGLES3;
}
else
{
throw new ArgumentException(string.Format("Unsupported GLES version {0}.{1}.", major, minor));
}
EAGLContext = shared != null && shared.EAGLContext != null
? new EAGLContext(version, shared.EAGLContext.ShareGroup)
: new EAGLContext(version);
Handle = new ContextHandle(EAGLContext.Handle);
}
public IGraphicsContext CreateContext(int major, int minor, GraphicsContextFlags flags)
{
return(new GraphicsContext(mode, WindowInfo, major, minor, flags));
}
/// <summary>
/// Constructs a new GraphicsContext with the specified GraphicsMode, version and flags, and attaches it to the specified window.
/// </summary>
/// <param name="mode">The OpenTK.Graphics.GraphicsMode of the GraphicsContext.</param>
/// <param name="window">The OpenTK.Platform.IWindowInfo to attach the GraphicsContext to.</param>
/// <param name="major">The major version of the new GraphicsContext.</param>
/// <param name="minor">The minor version of the new GraphicsContext.</param>
/// <param name="flags">The GraphicsContextFlags for the GraphicsContext.</param>
/// <remarks>
/// Different hardware supports different flags, major and minor versions. Invalid parameters will be silently ignored.
/// </remarks>
public GraphicsContext(GraphicsMode mode, IWindowInfo window, int major, int minor, GraphicsContextFlags flags)
{
lock (SyncRoot)
{
bool designMode = false;
if (mode == null && window == null)
designMode = true;
else if (mode == null) throw new ArgumentNullException("mode", "Must be a valid GraphicsMode.");
else if (window == null) throw new ArgumentNullException("window", "Must point to a valid window.");
// Silently ignore invalid major and minor versions.
if (major <= 0)
major = 1;
if (minor < 0)
minor = 0;
Debug.Print("Creating GraphicsContext.");
try
{
Debug.Indent();
Debug.Print("GraphicsMode: {0}", mode);
Debug.Print("IWindowInfo: {0}", window);
Debug.Print("GraphicsContextFlags: {0}", flags);
Debug.Print("Requested version: {0}.{1}", major, minor);
IGraphicsContext shareContext = FindSharedContext();
// Todo: Add a DummyFactory implementing IPlatformFactory.
if (designMode)
{
#if !IPHONE
implementation = new Platform.Dummy.DummyGLContext();
#else
implementation = Factory.Embedded.CreateGLContext(mode, window, shareContext, direct_rendering, major, minor, flags);
GetCurrentContext = Factory.Embedded.CreateGetCurrentGraphicsContext();
#endif
}
else
{
#if !IPHONE
IPlatformFactory factory = null;
#else
Factory factory = null;
GetCurrentContext = null;
#endif
switch ((flags & GraphicsContextFlags.Embedded) == GraphicsContextFlags.Embedded)
{
case false: factory = Factory.Default; break;
case true: factory = Factory.Embedded; break;
}
implementation = factory.CreateGLContext(mode, window, shareContext, direct_rendering, major, minor, flags);
// Note: this approach does not allow us to mix native and EGL contexts in the same process.
// This should not be a problem, as this use-case is not interesting for regular applications.
// Note 2: some platforms may not support a direct way of getting the current context
// (this happens e.g. with DummyGLContext). In that case, we use a slow fallback which
// iterates through all known contexts and checks if any is current (check GetCurrentContext
// declaration).
if (GetCurrentContext == null)
{
GetCurrentContextDelegate temp = factory.CreateGetCurrentGraphicsContext();
if (temp != null)
{
GetCurrentContext = temp;
}
}
}
available_contexts.Add((this as IGraphicsContextInternal).Context, new WeakReference(this));
}
finally
{
Debug.Unindent();
}
}
}
public virtual IGraphicsContext CreateGLContext(ContextHandle handle, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
return new X11GLContext(handle, window, shareContext, directRendering, major, minor, flags);
}
public override IGraphicsContext CreateGLContext(ContextHandle handle, IWindowInfo window,
IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
return(new WinGLContext(handle, (WinWindowInfo)window, shareContext, major, minor, flags));
}
protected override BasicGameForm CreateGameForm(GraphicsContextFlags flags)
{
return(new WindowsGameForm(flags));
}
public WindowsGameWindow(GraphicsContextFlags flags)
: base(flags)
{
}
protected abstract BasicGameForm CreateGameForm(GraphicsContextFlags flags);
public CustomApplicationWindow(AutoResetEvent updateEvent, int width, int height, GraphicsMode mode, string title, GameWindowFlags options, DisplayDevice device, int major, int minor, GraphicsContextFlags flags, IGraphicsContext sharedContext)
: base(width, height, mode, title, options, device, major, minor, flags, sharedContext)
{
this.updateEvent = updateEvent;
}
/// <summary>Constructs a new GameWindow with the specified attributes.</summary>
/// <param name="width">The width of the GameWindow in pixels.</param>
/// <param name="height">The height of the GameWindow in pixels.</param>
/// <param name="mode">The OpenTK.Graphics.GraphicsMode of the GameWindow.</param>
/// <param name="title">The title of the GameWindow.</param>
/// <param name="options">GameWindow options regarding window appearance and behavior.</param>
/// <param name="device">The OpenTK.Graphics.DisplayDevice to construct the GameWindow in.</param>
/// <param name="major">The major version for the OpenGL GraphicsContext.</param>
/// <param name="minor">The minor version for the OpenGL GraphicsContext.</param>
/// <param name="flags">The GraphicsContextFlags version for the OpenGL GraphicsContext.</param>
public GameWindow(int width, int height, GraphicsMode mode, string title, GameWindowFlags options, DisplayDevice device,
int major, int minor, GraphicsContextFlags flags)
: this(width, height, mode, title, options, device, major, minor, flags, null)
{
}
public virtual IGraphicsContext CreateGLContext(ContextHandle handle, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
return(new X11GLContext(handle, window, shareContext, directRendering, major, minor, flags));
}
public X11GLContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext shared, bool direct,
int major, int minor, GraphicsContextFlags flags)
{
if (mode == null)
{
throw new ArgumentNullException("mode");
}
if (window == null)
{
throw new ArgumentNullException("window");
}
// Do not move this lower, as almost everything requires the Display
// property to be correctly set.
Display = ((X11WindowInfo)window).Display;
// Check that GLX is supported. We cannot proceed to create
// an OpenGL context without the GLX extension.
int error_base;
int event_base;
int glx_major;
int glx_minor;
using (new XLock(Display))
{
bool supported = Glx.QueryExtension(Display, out error_base, out event_base);
supported &= Glx.QueryVersion(Display, out glx_major, out glx_minor);
if (supported)
{
Debug.Print("[X11] GLX supported. Version is {0}.{1}", glx_major, glx_minor);
}
else
{
throw new NotSupportedException("[X11] GLX extension is not supported.");
}
}
IntPtr visual = IntPtr.Zero;
IntPtr fbconfig = IntPtr.Zero;
// Once a window has a visual, we cannot use a different
// visual on the OpenGL context, or glXMakeCurrent might fail.
// Note: we should only check X11WindowInfo.Visual, as that
// is the only property that can be set by Utilities.CreateX11WindowInfo.
currentWindow = (X11WindowInfo)window;
if (currentWindow.Visual != IntPtr.Zero)
{
visual = currentWindow.Visual;
fbconfig = currentWindow.FBConfig;
Mode = currentWindow.GraphicsMode;
}
if (Mode == null || !Mode.Index.HasValue)
{
Mode = ModeSelector.SelectGraphicsMode(mode, out visual, out fbconfig);
}
ContextHandle shareHandle = shared != null ?
(shared as IGraphicsContextInternal).Context : (ContextHandle)IntPtr.Zero;
Debug.Write("Creating X11GLContext context: ");
Debug.Write(direct ? "direct, " : "indirect, ");
Debug.WriteLine(shareHandle.Handle == IntPtr.Zero ? "not shared... " :
String.Format("shared with ({0})... ", shareHandle));
// Try using the new context creation method. If it fails, fall back to the old one.
// For each of these methods, we try two times to create a context:
// one with the "direct" flag intact, the other with the flag inversed.
// HACK: It seems that Catalyst 9.1 - 9.4 on Linux have problems with contexts created through
// GLX_ARB_create_context, including hideous input lag, no vsync and other madness.
// Use legacy context creation if the user doesn't request a 3.0+ context.
if (fbconfig != IntPtr.Zero && (major * 10 + minor >= 30) && SupportsCreateContextAttribs(Display, currentWindow))
{
Handle = CreateContextAttribs(Display, currentWindow.Screen,
fbconfig, direct, major, minor, flags, shareHandle);
}
if (Handle == ContextHandle.Zero)
{
Handle = CreateContextLegacy(Display, visual, direct, shareHandle);
}
if (Handle != ContextHandle.Zero)
{
Debug.Print("Context created (id: {0}).", Handle);
}
else
{
throw new GraphicsContextException("Failed to create OpenGL context. Glx.CreateContext call returned 0.");
}
using (new XLock(Display))
{
if (!Glx.IsDirect(Display, Handle.Handle))
{
Debug.Print("Warning: Context is not direct.");
}
}
}
/// <summary>
/// Constructs a new GraphicsContext with the specified GraphicsMode, version and flags, and attaches it to the specified window. A dummy context will be created if both
/// the handle and the window are null.
/// </summary>
/// <param name="mode">The OpenTK.Graphics.GraphicsMode of the GraphicsContext.</param>
/// <param name="window">The OpenTK.Platform.IWindowInfo to attach the GraphicsContext to.</param>
/// <param name="shareContext">The GraphicsContext to share resources with, or null for explicit non-sharing.</param>
/// <param name="major">The major version of the new GraphicsContext.</param>
/// <param name="minor">The minor version of the new GraphicsContext.</param>
/// <param name="flags">The GraphicsContextFlags for the GraphicsContext.</param>
/// <remarks>
/// Different hardware supports different flags, major and minor versions. Invalid parameters will be silently ignored.
/// </remarks>
public GraphicsContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext shareContext, int major, int minor, GraphicsContextFlags flags)
{
lock (SyncRoot)
{
bool designMode = false;
if (mode == null && window == null)
{
designMode = true;
}
else if (mode == null)
{
throw new ArgumentNullException("mode", "Must be a valid GraphicsMode.");
}
else if (window == null)
{
throw new ArgumentNullException("window", "Must point to a valid window.");
}
// Silently ignore invalid major and minor versions.
if (major <= 0)
{
major = 1;
}
if (minor < 0)
{
minor = 0;
}
// Angle needs an embedded context
const GraphicsContextFlags useAngleFlag = GraphicsContextFlags.Angle
| GraphicsContextFlags.AngleD3D9
| GraphicsContextFlags.AngleD3D11
| GraphicsContextFlags.AngleOpenGL;
var useAngle = false;
if ((flags & useAngleFlag) != 0)
{
flags |= GraphicsContextFlags.Embedded;
useAngle = true;
}
Debug.Print("Creating GraphicsContext.");
try
{
Debug.Indent();
Debug.Print("GraphicsMode: {0}", mode);
Debug.Print("IWindowInfo: {0}", window);
Debug.Print("GraphicsContextFlags: {0}", flags);
Debug.Print("Requested version: {0}.{1}", major, minor);
// Todo: Add a DummyFactory implementing IPlatformFactory.
if (designMode)
{
implementation = new Platform.Dummy.DummyGLContext();
}
else
{
IPlatformFactory factory = null;
switch ((flags & GraphicsContextFlags.Embedded) == GraphicsContextFlags.Embedded)
{
case false:
factory = Factory.Default;
break;
case true:
factory = useAngle ? Factory.Angle : Factory.Embedded;
break;
}
// Note: this approach does not allow us to mix native and EGL contexts in the same process.
// This should not be a problem, as this use-case is not interesting for regular applications.
// Note 2: some platforms may not support a direct way of getting the current context
// (this happens e.g. with DummyGLContext). In that case, we use a slow fallback which
// iterates through all known contexts and checks if any is current (check GetCurrentContext
// declaration).
if (GetCurrentContext == null)
{
GetCurrentContext = factory.CreateGetCurrentGraphicsContext();
}
implementation = factory.CreateGLContext(mode, window, shareContext, DirectRendering, major, minor, flags);
handle_cached = ((IGraphicsContextInternal)implementation).Context;
factory.RegisterResource(this);
}
AddContext(this);
}
finally
{
Debug.Unindent();
}
}
}
public SimpleES20Window(GraphicsContextFlags flags)
: base(800, 600, GraphicsMode.Default, "", GameWindowFlags.Default, DisplayDevice.Default, 2, 0, flags)
{
}
/// <summary>
/// Constructs a new GraphicsContext from a pre-existing context created outside of OpenTK.
/// </summary>
/// <param name="handle">The handle of the existing context. This must be a valid, unique handle that is not known to OpenTK.</param>
/// <param name="window">This parameter is reserved.</param>
/// <param name="shareContext">This parameter is reserved.</param>
/// <param name="major">This parameter is reserved.</param>
/// <param name="minor">This parameter is reserved.</param>
/// <param name="flags">This parameter is reserved..</param>
public GraphicsContext(ContextHandle handle, IWindowInfo window, IGraphicsContext shareContext, int major, int minor, GraphicsContextFlags flags)
: this(handle, Platform.Utilities.CreateGetAddress(), Factory.Default.CreateGetCurrentGraphicsContext())
{
}
public IGraphicsContext CreateGLContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext shareContext,
bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
return(Default.CreateGLContext(mode, window, shareContext, directRendering, major, minor, flags));
}
public GLSurface(GraphicsMode mode, int major, int minor, GraphicsContextFlags flags)
{
Handler.CreateWithParams(mode, major, minor, flags);
Initialize();
}
public NxTransparentGameWindow(int width, int height, GraphicsMode mode, string title, GameWindowFlags options, DisplayDevice device, int major, int minor, GraphicsContextFlags flags) : base(width, height, mode, title, options, device, major, minor, flags)
{
init();
}
public override IGraphicsContext CreateGLContext(ContextHandle handle, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
throw new NotImplementedException();
}
static void SetGLAttributes(GraphicsMode mode,
IGraphicsContext shareContext,
int major, int minor,
GraphicsContextFlags flags)
{
ContextProfileFlags cpflags = 0;
ClearGLAttributes();
if (mode.AccumulatorFormat.BitsPerPixel > 0)
{
SDL.GL.SetAttribute(ContextAttribute.ACCUM_ALPHA_SIZE, mode.AccumulatorFormat.Alpha);
SDL.GL.SetAttribute(ContextAttribute.ACCUM_RED_SIZE, mode.AccumulatorFormat.Red);
SDL.GL.SetAttribute(ContextAttribute.ACCUM_GREEN_SIZE, mode.AccumulatorFormat.Green);
SDL.GL.SetAttribute(ContextAttribute.ACCUM_BLUE_SIZE, mode.AccumulatorFormat.Blue);
}
if (mode.Buffers > 0)
{
SDL.GL.SetAttribute(ContextAttribute.DOUBLEBUFFER, mode.Buffers > 1 ? 1 : 0);
}
if (mode.ColorFormat > 0)
{
SDL.GL.SetAttribute(ContextAttribute.ALPHA_SIZE, mode.ColorFormat.Alpha);
SDL.GL.SetAttribute(ContextAttribute.RED_SIZE, mode.ColorFormat.Red);
SDL.GL.SetAttribute(ContextAttribute.GREEN_SIZE, mode.ColorFormat.Green);
SDL.GL.SetAttribute(ContextAttribute.BLUE_SIZE, mode.ColorFormat.Blue);
}
if (mode.Depth > 0)
{
SDL.GL.SetAttribute(ContextAttribute.DEPTH_SIZE, mode.Depth);
}
if (mode.Samples > 0)
{
SDL.GL.SetAttribute(ContextAttribute.MULTISAMPLEBUFFERS, 1);
SDL.GL.SetAttribute(ContextAttribute.MULTISAMPLESAMPLES, mode.Samples);
}
if (mode.Stencil > 0)
{
SDL.GL.SetAttribute(ContextAttribute.STENCIL_SIZE, mode.Stereo ? 1 : 0);
}
if (mode.Stereo)
{
SDL.GL.SetAttribute(ContextAttribute.STEREO, 1);
}
if (major > 0)
{
// Workaround for https://github.com/opentk/opentk/issues/44
// Mac OS X desktop OpenGL 3.x/4.x contexts require require
// ContextProfileFlags.Core, otherwise they will fail to construct.
if (Configuration.RunningOnMacOS && major >= 3 &&
(flags & GraphicsContextFlags.Embedded) == 0)
{
cpflags |= ContextProfileFlags.CORE;
// According to https://developer.apple.com/graphicsimaging/opengl/capabilities/GLInfo_1075_Core.html
// Mac OS X supports 3.2+. Indeed, requesting 3.0 or 3.1 results in failure.
if (major == 3 && minor < 2)
{
minor = 2;
}
}
SDL.GL.SetAttribute(ContextAttribute.CONTEXT_MAJOR_VERSION, major);
SDL.GL.SetAttribute(ContextAttribute.CONTEXT_MINOR_VERSION, minor);
}
if ((flags & GraphicsContextFlags.Debug) != 0)
{
SDL.GL.SetAttribute(ContextAttribute.CONTEXT_FLAGS, ContextFlags.DEBUG);
}
/*
* if ((flags & GraphicsContextFlags.Robust) != 0)
* {
* SDL.GL.SetAttribute(ContextAttribute.CONTEXT_FLAGS, ContextFlags.ROBUST_ACCESS_FLAG);
* }
*
* if ((flags & GraphicsContextFlags.ResetIsolation) != 0)
* {
* SDL.GL.SetAttribute(ContextAttribute.CONTEXT_FLAGS, ContextFlags.RESET_ISOLATION_FLAG);
* }
*/
{
if ((flags & GraphicsContextFlags.Embedded) != 0)
{
cpflags |= ContextProfileFlags.ES;
SDL.GL.SetAttribute(ContextAttribute.CONTEXT_EGL, 1);
}
if ((flags & GraphicsContextFlags.ForwardCompatible) != 0)
{
cpflags |= ContextProfileFlags.CORE;
}
if (cpflags != 0)
{
SDL.GL.SetAttribute(ContextAttribute.CONTEXT_PROFILE_MASK, cpflags);
}
}
if (shareContext != null)
{
if (shareContext.IsCurrent)
{
SDL.GL.SetAttribute(ContextAttribute.SHARE_WITH_CURRENT_CONTEXT, 1);
}
else
{
Trace.WriteLine("Warning: SDL2 requires a shared context to be current before sharing. Sharing failed.");
}
}
}
public override IGraphicsContext CreateGLContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
return(new Sdl2GraphicsContext(mode, window, shareContext, major, minor, flags));
}
/// <summary>Constructs a new GLWidget</summary>
public GLWidget(GraphicsMode graphicsMode, int glVersionMajor, int glVersionMinor, GraphicsContextFlags graphicsContextFlags)
{
this.DoubleBuffered = false;
SingleBuffer = graphicsMode.Buffers == 1;
ColorBPP = graphicsMode.ColorFormat.BitsPerPixel;
AccumulatorBPP = graphicsMode.AccumulatorFormat.BitsPerPixel;
DepthBPP = graphicsMode.Depth;
StencilBPP = graphicsMode.Stencil;
Samples = graphicsMode.Samples;
Stereo = graphicsMode.Stereo;
GlVersionMajor = glVersionMajor;
GlVersionMinor = glVersionMinor;
GraphicsContextFlags = graphicsContextFlags;
}
public void CreateWithParams(GraphicsMode mode, int major, int minor, GraphicsContextFlags flags)
{
Control = new OtkWpfWFControl(mode, major, minor, flags);
}
/// <summary>Constructs a new GameWindow with the specified attributes.</summary>
/// <param name="width">The width of the GameWindow in pixels.</param>
/// <param name="height">The height of the GameWindow in pixels.</param>
/// <param name="mode">The OpenTK.Graphics.GraphicsMode of the GameWindow.</param>
/// <param name="title">The title of the GameWindow.</param>
/// <param name="options">GameWindow options regarding window appearance and behavior.</param>
/// <param name="device">The OpenTK.Graphics.DisplayDevice to construct the GameWindow in.</param>
/// <param name="major">The major version for the OpenGL GraphicsContext.</param>
/// <param name="minor">The minor version for the OpenGL GraphicsContext.</param>
/// <param name="flags">The GraphicsContextFlags version for the OpenGL GraphicsContext.</param>
/// <param name="sharedContext">An IGraphicsContext to share resources with.</param>
public GameWindow(int width, int height, GraphicsMode mode, string title, GameWindowFlags options, DisplayDevice device,
int major, int minor, GraphicsContextFlags flags, IGraphicsContext sharedContext)
: base(width, height, title, options,
mode == null ? GraphicsMode.Default : mode,
device == null ? DisplayDevice.Default : device)
{
try
{
glContext = new GraphicsContext(mode == null ? GraphicsMode.Default : mode, WindowInfo, major, minor, flags);
glContext.MakeCurrent(WindowInfo);
(glContext as IGraphicsContextInternal).LoadAll();
VSync = VSyncMode.On;
//glWindow.WindowInfoChanged += delegate(object sender, EventArgs e) { OnWindowInfoChangedInternal(e); };
}
catch (Exception e)
{
Debug.Print(e.ToString());
base.Dispose();
throw;
}
}
public override IGraphicsContext CreateGLContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
WinWindowInfo win_win = (WinWindowInfo)window;
EGLDisplay egl_display = Egl.GetDisplay(EGLNativeDisplayType.Default); // Egl.GetDisplay(new EGLNativeDisplayType(win_win.DeviceContext));
EglWindowInfo egl_win = new OpenTK.Platform.Egl.EglWindowInfo(win_win.WindowHandle, egl_display);
return(new EglContext(mode, egl_win, shareContext, major, minor, flags));
}
/// <summary>
/// Constructs a new GraphicsContext from a pre-existing context created outside of OpenTK.
/// </summary>
/// <param name="handle">The handle of the existing context. This must be a valid, unique handle that is not known to OpenTK.</param>
/// <param name="window">The window this context is bound to. This must be a valid window obtained through Utilities.CreateWindowInfo.</param>
/// <param name="shareContext">A different context that shares resources with this instance, if any.
/// Pass null if the context is not shared or if this is the first GraphicsContext instruct you construct.</param>
/// <param name="major">The major version of the context (e.g. "2" for "2.1").</param>
/// <param name="minor">The minor version of the context (e.g. "1" for "2.1").</param>
/// <param name="flags">A bitwise combination of <see cref="GraphicsContextFlags"/> that describe this context.</param>
/// <exception cref="GraphicsContextException">Occurs if handle is identical to a context already registered with OpenTK.</exception>
public GraphicsContext(ContextHandle handle, IWindowInfo window, IGraphicsContext shareContext, int major, int minor, GraphicsContextFlags flags)
{
lock (SyncRoot)
{
IsExternal = true;
if (handle == ContextHandle.Zero)
{
#if !IPHONE
implementation = new OpenTK.Platform.Dummy.DummyGLContext(handle);
#else
implementation = new OpenTK.Platform.iPhoneOS.iPhoneOSGraphicsContext(handle);
#endif
}
else if (available_contexts.ContainsKey(handle))
{
throw new GraphicsContextException("Context already exists.");
}
else
{
switch ((flags & GraphicsContextFlags.Embedded) == GraphicsContextFlags.Embedded)
{
case false: implementation = Factory.Default.CreateGLContext(handle, window, shareContext, direct_rendering, major, minor, flags); break;
case true: implementation = Factory.Embedded.CreateGLContext(handle, window, shareContext, direct_rendering, major, minor, flags); break;
}
}
available_contexts.Add((implementation as IGraphicsContextInternal).Context, new WeakReference(this));
(this as IGraphicsContextInternal).LoadAll();
}
}
public LinuxGameWindow(GraphicsContextFlags flags)
: base(flags)
{
}
public WinGLContext(GraphicsMode format, WinWindowInfo window, IGraphicsContext sharedContext,
int major, int minor, GraphicsContextFlags flags)
{
// There are many ways this code can break when accessed by multiple threads. The biggest offender is
// the sharedContext stuff, which will only become valid *after* this constructor returns.
// The easiest solution is to serialize all context construction - hence the big lock, below.
lock (SyncRoot)
{
if (window == null)
throw new ArgumentNullException("window", "Must point to a valid window.");
if (window.WindowHandle == IntPtr.Zero)
throw new ArgumentException("window", "Must be a valid window.");
Mode = format;
Debug.Print("OpenGL will be bound to window:{0} on thread:{1}", window.WindowHandle,
System.Threading.Thread.CurrentThread.ManagedThreadId);
this.SetGraphicsModePFD(format, (WinWindowInfo)window);
lock (LoadLock)
{
if (!wgl_loaded)
{
// We need to create a temp context in order to load wgl extensions (e.g. for multisampling or GL3).
// We cannot rely on OpenTK.Platform.Wgl until we create the context and call Wgl.LoadAll().
Debug.Print("Creating temporary context for wgl extensions.");
ContextHandle temp_context = new ContextHandle(Wgl.Imports.CreateContext(window.DeviceContext));
Wgl.Imports.MakeCurrent(window.DeviceContext, temp_context.Handle);
Wgl.LoadAll();
Wgl.Imports.MakeCurrent(IntPtr.Zero, IntPtr.Zero);
Wgl.Imports.DeleteContext(temp_context.Handle);
wgl_loaded = true;
}
if (Wgl.Delegates.wglCreateContextAttribsARB != null)
{
try
{
Debug.Write("Using WGL_ARB_create_context... ");
List<int> attributes = new List<int>();
attributes.Add((int)ArbCreateContext.MajorVersion);
attributes.Add(major);
attributes.Add((int)ArbCreateContext.MinorVersion);
attributes.Add(minor);
if (flags != 0)
{
attributes.Add((int)ArbCreateContext.Flags);
#warning "This is not entirely correct: Embedded is not a valid flag! We need to add a GetARBContextFlags(GraphicsContextFlags) method."
attributes.Add((int)flags);
}
// According to the docs, " <attribList> specifies a list of attributes for the context.
// The list consists of a sequence of <name,value> pairs terminated by the
// value 0. [...]"
// Is this a single 0, or a <0, 0> pair? (Defensive coding: add two zeroes just in case).
attributes.Add(0);
attributes.Add(0);
Handle = new ContextHandle(
Wgl.Arb.CreateContextAttribs(
window.DeviceContext,
sharedContext != null ? (sharedContext as IGraphicsContextInternal).Context.Handle : IntPtr.Zero,
attributes.ToArray()));
if (Handle == ContextHandle.Zero)
Debug.Print("failed. (Error: {0})", Marshal.GetLastWin32Error());
}
catch (EntryPointNotFoundException e) { Debug.Print(e.ToString()); }
catch (NullReferenceException e) { Debug.Print(e.ToString()); }
}
}
if (Handle == ContextHandle.Zero)
{
// Failed to create GL3-level context, fall back to GL2.
Debug.Write("Falling back to GL2... ");
Handle = new ContextHandle(Wgl.Imports.CreateContext(window.DeviceContext));
if (Handle == ContextHandle.Zero)
Handle = new ContextHandle(Wgl.Imports.CreateContext(window.DeviceContext));
if (Handle == ContextHandle.Zero)
throw new GraphicsContextException(
String.Format("Context creation failed. Wgl.CreateContext() error: {0}.",
Marshal.GetLastWin32Error()));
}
Debug.WriteLine(String.Format("success! (id: {0})", Handle));
if (sharedContext != null)
{
Marshal.GetLastWin32Error();
Debug.Write(String.Format("Sharing state with context {0}: ", sharedContext));
bool result = Wgl.Imports.ShareLists((sharedContext as IGraphicsContextInternal).Context.Handle, Handle.Handle);
Debug.WriteLine(result ? "success!" : "failed with win32 error " + Marshal.GetLastWin32Error());
}
}
}
public InternalWindow(NativeWindow parent, int w, int h, GraphicsMode mode, string title,
GameWindowFlags flags, GraphicsContextFlags contextFlags)
: base(w, h, mode, title, flags, DisplayDevice.Default, 2, 0, contextFlags)
{
this.parent = parent;
}
public IGraphicsContext CreateContext(int major, int minor, GraphicsContextFlags flags)
{
return new GraphicsContext(null, null);
}
public X11GLContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext shared, bool direct,
int major, int minor, GraphicsContextFlags flags)
{
if (mode == null)
{
throw new ArgumentNullException("mode");
}
if (window == null)
{
throw new ArgumentNullException("window");
}
Mode = ModeSelector.SelectGraphicsMode(
mode.ColorFormat, mode.Depth, mode.Stencil, mode.Samples,
mode.AccumulatorFormat, mode.Buffers, mode.Stereo);
// Do not move this lower, as almost everything requires the Display
// property to be correctly set.
Display = ((X11WindowInfo)window).Display;
currentWindow = (X11WindowInfo)window;
currentWindow.VisualInfo = SelectVisual(Mode, currentWindow);
ContextHandle shareHandle = shared != null ?
(shared as IGraphicsContextInternal).Context : (ContextHandle)IntPtr.Zero;
Debug.Write("Creating X11GLContext context: ");
Debug.Write(direct ? "direct, " : "indirect, ");
Debug.WriteLine(shareHandle.Handle == IntPtr.Zero ? "not shared... " :
String.Format("shared with ({0})... ", shareHandle));
// Try using the new context creation method. If it fails, fall back to the old one.
// For each of these methods, we try two times to create a context:
// one with the "direct" flag intact, the other with the flag inversed.
// HACK: It seems that Catalyst 9.1 - 9.4 on Linux have problems with contexts created through
// GLX_ARB_create_context, including hideous input lag, no vsync and other madness.
// Use legacy context creation if the user doesn't request a 3.0+ context.
if ((major * 10 + minor >= 30) && SupportsCreateContextAttribs(Display, currentWindow))
{
Debug.Write("Using GLX_ARB_create_context... ");
unsafe
{
// We need the FB config for the current GraphicsMode.
int count;
IntPtr *fbconfigs = Glx.ChooseFBConfig(Display, currentWindow.Screen,
new int[] {
(int)GLXAttribute.VISUAL_ID,
(int)Mode.Index,
0
}, out count);
if (count > 0)
{
List <int> attributes = new List <int>();
attributes.Add((int)ArbCreateContext.MajorVersion);
attributes.Add(major);
attributes.Add((int)ArbCreateContext.MinorVersion);
attributes.Add(minor);
if (flags != 0)
{
attributes.Add((int)ArbCreateContext.Flags);
attributes.Add((int)GetARBContextFlags(flags));
attributes.Add((int)ArbCreateContext.ProfileMask);
attributes.Add((int)GetARBProfileFlags(flags));
}
// According to the docs, " <attribList> specifies a list of attributes for the context.
// The list consists of a sequence of <name,value> pairs terminated by the
// value 0. [...]"
// Is this a single 0, or a <0, 0> pair? (Defensive coding: add two zeroes just in case).
attributes.Add(0);
attributes.Add(0);
using (new XLock(Display))
{
Handle = new ContextHandle(Glx.Arb.CreateContextAttribs(Display, *fbconfigs,
shareHandle.Handle, direct, attributes.ToArray()));
if (Handle == ContextHandle.Zero)
{
Debug.Write(String.Format("failed. Trying direct: {0}... ", !direct));
Handle = new ContextHandle(Glx.Arb.CreateContextAttribs(Display, *fbconfigs,
shareHandle.Handle, !direct, attributes.ToArray()));
}
}
if (Handle == ContextHandle.Zero)
{
Debug.WriteLine("failed.");
}
else
{
Debug.WriteLine("success!");
}
using (new XLock(Display))
{
Functions.XFree((IntPtr)fbconfigs);
}
}
}
}
if (Handle == ContextHandle.Zero)
{
Debug.Write("Using legacy context creation... ");
XVisualInfo info = currentWindow.VisualInfo;
using (new XLock(Display))
{
// Cannot pass a Property by reference.
Handle = new ContextHandle(Glx.CreateContext(Display, ref info, shareHandle.Handle, direct));
if (Handle == ContextHandle.Zero)
{
Debug.WriteLine(String.Format("failed. Trying direct: {0}... ", !direct));
Handle = new ContextHandle(Glx.CreateContext(Display, ref info, IntPtr.Zero, !direct));
}
}
}
if (Handle != ContextHandle.Zero)
{
Debug.Print("Context created (id: {0}).", Handle);
}
else
{
throw new GraphicsContextException("Failed to create OpenGL context. Glx.CreateContext call returned 0.");
}
using (new XLock(Display))
{
if (!Glx.IsDirect(Display, Handle.Handle))
{
Debug.Print("Warning: Context is not direct.");
}
}
}
