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 = major > 1 ? RenderableFlags.ES2 : RenderableFlags.ES;
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);
}
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.");
}
EGLConfig config = new EGLConfig(mode.Index.Value);
if (window.Surface.Handle == EGLSurface.None.Handle)
{
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 : EGLContext.None, attrib_list);
MakeCurrent(window);
}
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 void MakeCurrent(IWindowInfo window)
{
// Ignore 'window', unless it actually is an EGL window. In other words,
// trying to make the EglContext current on a non-EGL window will do,
// nothing (the EglContext will remain current on the previous EGL window
// or the window it was constructed on (which may not be EGL)).
if (window != null)
{
if (window is EglWindowInfo)
{
WindowInfo = (EglWindowInfo)window;
}
if (!Egl.MakeCurrent(WindowInfo.Display, WindowInfo.Surface, WindowInfo.Surface, HandleAsEGLContext))
{
throw new GraphicsContextException(string.Format("Failed to make context {0} current. Error: {1}", Handle, Egl.GetError()));
}
}
else
{
Egl.MakeCurrent(WindowInfo.Display, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
}
}
public override IGraphicsContext CreateGLContext(ContextHandle handle, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
X11WindowInfo x11WindowInfo = (X11WindowInfo)window;
EglWindowInfo window1 = new EglWindowInfo(x11WindowInfo.WindowHandle, Egl.GetDisplay(x11WindowInfo.Display));
return((IGraphicsContext) new EglContext(handle, window1, shareContext, major, minor, flags));
}
public override IntPtr GetAddress(string function)
{
return(Egl.GetProcAddress(function));
}
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));
return(new EglContext(handle, egl_win, shareContext, major, minor, flags));
}
//public void CreatePixmapSurface(EGLConfig config)
//{
// Surface = Egl.CreatePixmapSurface(Display, config, Handle, null);
//}
public void CreatePbufferSurface(IntPtr config)
{
int[] attribs = new int[] { Egl.NONE };
Surface = Egl.CreatePbufferSurface(Display, config, attribs);
if (Surface == IntPtr.Zero)
{
throw new GraphicsContextException(String.Format(
"[EGL] Failed to create pbuffer surface, error {0}.", Egl.GetError()));
}
}
public GraphicsMode SelectGraphicsMode(EglWindowInfo window,
ColorFormat color, int depth, int stencil,
int samples, ColorFormat accum, int buffers, bool stereo,
RenderableFlags renderable_flags)
{
IntPtr[] configs = new IntPtr[1];
int[] attribList = new int[]
{
Egl.SURFACE_TYPE, Egl.WINDOW_BIT,
Egl.RENDERABLE_TYPE, (int)renderable_flags,
Egl.RED_SIZE, color.Red,
Egl.GREEN_SIZE, color.Green,
Egl.BLUE_SIZE, color.Blue,
Egl.ALPHA_SIZE, color.Alpha,
Egl.DEPTH_SIZE, depth > 0 ? depth : 0,
Egl.STENCIL_SIZE, stencil > 0 ? stencil : 0,
Egl.SAMPLE_BUFFERS, samples > 0 ? 1 : 0,
Egl.SAMPLES, samples > 0 ? samples : 0,
Egl.NONE,
};
IntPtr display = window.Display;
int num_configs;
if (!Egl.ChooseConfig(display, attribList, configs, configs.Length, out num_configs) || num_configs == 0)
{
throw new GraphicsModeException(String.Format("Failed to retrieve GraphicsMode, error {0}", Egl.GetError()));
}
// See what we really got
IntPtr active_config = configs[0];
int r, g, b, a;
Egl.GetConfigAttrib(display, active_config, Egl.RED_SIZE, out r);
Egl.GetConfigAttrib(display, active_config, Egl.GREEN_SIZE, out g);
Egl.GetConfigAttrib(display, active_config, Egl.BLUE_SIZE, out b);
Egl.GetConfigAttrib(display, active_config, Egl.ALPHA_SIZE, out a);
int d, s;
Egl.GetConfigAttrib(display, active_config, Egl.DEPTH_SIZE, out d);
Egl.GetConfigAttrib(display, active_config, Egl.STENCIL_SIZE, out s);
int sample_buffers;
Egl.GetConfigAttrib(display, active_config, Egl.SAMPLES, out sample_buffers);
Egl.GetConfigAttrib(display, active_config, Egl.SAMPLES, out samples);
return(new GraphicsMode(active_config, new ColorFormat(r, g, b, a), d, s, sample_buffers > 0 ? samples : 0, 0, 2, false));
}
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 = GetSharedEglContext(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)
{
switch (major)
{
case 3:
Renderable = RenderableFlags.ES3;
break;
case 2:
Renderable = RenderableFlags.ES2;
break;
default:
Renderable = RenderableFlags.ES;
break;
}
}
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());
}
bool offscreen = (flags & GraphicsContextFlags.Offscreen) != 0;
SurfaceType surface_type = offscreen
? SurfaceType.PBUFFER_BIT
: SurfaceType.WINDOW_BIT;
Mode = new EglGraphicsMode().SelectGraphicsMode(surface_type,
window.Display, mode.ColorFormat, mode.Depth, mode.Stencil,
mode.Samples, mode.AccumulatorFormat, mode.Buffers, mode.Stereo,
Renderable, (flags & GraphicsContextFlags.AngleFullscreen) > 0);
if (!Mode.Index.HasValue)
{
throw new GraphicsModeException("Invalid or unsupported GraphicsMode.");
}
IntPtr config = Mode.Index.Value;
if (window.Surface == IntPtr.Zero)
{
if (!offscreen)
{
window.CreateWindowSurface(config);
}
else
{
window.CreatePbufferSurface(config);
}
}
int[] attrib_list = new int[] { Egl.CONTEXT_CLIENT_VERSION, major, Egl.NONE };
var share_context = shared != null ? shared.HandleAsEGLContext : IntPtr.Zero;
try
{
HandleAsEGLContext = Egl.CreateContext(window.Display, config, share_context, attrib_list);
GraphicsContextFlags = flags;
MakeCurrent(window);
}
catch
{
window.DestroySurface();
throw;
}
}
public EglWindowInfo(IntPtr handle, IntPtr display, IntPtr surface)
{
Handle = handle;
Surface = surface;
if (display == IntPtr.Zero)
{
display = Egl.GetDisplay(IntPtr.Zero);
}
Display = display;
int dummyMajor, dummyMinor;
if (!Egl.Initialize(Display, out dummyMajor, out dummyMinor))
{
throw new GraphicsContextException(String.Format("Failed to initialize EGL, error {0}.", Egl.GetError()));
}
}
public void MakeCurrent(EGLSurface surface)
{
Egl.MakeCurrent(Display, surface, surface, EglContext.HandleAsEGLContext);
}
public static IntPtr CreateContext(IntPtr dpy, IntPtr config, IntPtr share_context, int[] attrib_list)
{
IntPtr context = Egl.eglCreateContext(dpy, config, share_context, attrib_list);
if (context == IntPtr.Zero)
{
throw new GraphicsContextException(string.Format("Failed to create EGL context, error: {0}.", (object)Egl.GetError()));
}
else
{
return(context);
}
}
public void CreateWindowSurface(IntPtr config)
{
this.Surface = Egl.CreateWindowSurface(this.Display, config, this.Handle, (int[])null);
if (this.Surface == IntPtr.Zero)
{
throw new GraphicsContextException(string.Format("[Error] Failed to create EGL window surface, error {0}.", (object)Egl.GetError()));
}
}
//public void CreatePixmapSurface(EGLConfig config)
//{
// Surface = Egl.CreatePixmapSurface(Display, config, Handle, null);
//}
public void CreatePbufferSurface(IntPtr config)
{
Surface = Egl.CreatePbufferSurface(Display, config, null);
}
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");
}
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)
{
switch (major)
{
case 3:
Renderable = RenderableFlags.ES3;
break;
case 2:
Renderable = RenderableFlags.ES2;
break;
default:
Renderable = RenderableFlags.ES;
break;
}
}
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, sharedContext != null ? (sharedContext as IGraphicsContextInternal).Context.Handle : IntPtr.Zero, attrib_list);
}
IntPtr TryInitEglDisplay(IWindowInfo window, ref int major, ref int minor, ref GraphicsContextFlags flags)
{
//see https://github.com/Microsoft/angle/wiki/Initializing-ANGLE-on-D3D11-Feature-Level-9
//IntPtr egl_display1 = Egl.GetPlatformDisplayEXT(Egl.PLATFORM_ANGLE_ANGLE, IntPtr.Zero, new int[]{
// Egl.PLATFORM_ANGLE_TYPE_ANGLE,
// Egl.PLATFORM_ANGLE_TYPE_D3D11_ANGLE,
// Egl.PLATFORM_ANGLE_MAX_VERSION_MAJOR_ANGLE, 9,
// Egl.PLATFORM_ANGLE_MAX_VERSION_MINOR_ANGLE, 3,
// Egl.NONE,
//});
//if (!Egl.Initialize(egl_display1, out int m1, out int m2))
//{
//}
//1. use default openTK default
WinWindowInfo win_win = (WinWindowInfo)window;
bool success = false;
int eglMajor, eglMinor;
IntPtr egl_display = IntPtr.Zero;
if (isFirstTimeEval)
{
isFirstTimeEval = false;
egl_display = GetDisplay(win_win.DeviceContext);
success = Egl.Initialize(egl_display, out eglMajor, out eglMinor);
//-------------------
//we found that some old machine can't init with D3D11
//so ... we use D3D9 instead
if (!success)
{
egl_display = Egl.GetPlatformDisplayEXT(Egl.PLATFORM_ANGLE_ANGLE, IntPtr.Zero, new int[] {
Egl.PLATFORM_ANGLE_TYPE_ANGLE,
Egl.PLATFORM_ANGLE_TYPE_D3D9_ANGLE,
Egl.NONE,
});
if (Egl.Initialize(egl_display, out eglMajor, out eglMinor))
{
useD3D9Only = true;
success = true;
//in this case
major = 2; //GLES2
minor = 1;
flags = flags & ~GraphicsContextFlags.AngleD3D11; //can't use D3D11
}
else
{
throw new GraphicsContextException(String.Format("Failed to initialize EGL, error {0}.", Egl.GetError()));
}
}
}
else
{
//not first time
if (useD3D9Only)
{
//no D3D11
egl_display = Egl.GetPlatformDisplayEXT(Egl.PLATFORM_ANGLE_ANGLE, IntPtr.Zero, new int[] {
Egl.PLATFORM_ANGLE_TYPE_ANGLE,
Egl.PLATFORM_ANGLE_TYPE_D3D9_ANGLE,
Egl.NONE,
});
if (Egl.Initialize(egl_display, out eglMajor, out eglMinor))
{
useD3D9Only = true;
success = true;
//in this case
major = 2; //GLES2
minor = 1;
flags = flags & ~GraphicsContextFlags.AngleD3D11; //can't use D3D11
}
else
{
throw new GraphicsContextException(String.Format("Failed to initialize EGL, error {0}.", Egl.GetError()));
}
}
else
{
//use D3D11
egl_display = GetDisplay(win_win.DeviceContext);
success = Egl.Initialize(egl_display, out eglMajor, out eglMinor);
//-------------------
//we found that some old machine can't init with D3D11
//so ... we use D3D9 instead
if (!success)
{
//???
throw new GraphicsContextException(String.Format("Failed to initialize EGL, error {0}.", Egl.GetError()));
}
}
}
return(egl_display);
}
bool vsync = true; // Default vsync value is defined as 1 (true) in EGL.
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; //old version
EglContext shared = sharedContext as EglContext;
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;
Egl.BindAPI(0x30A0); //bind EGL_OPENGL_ES_API
var eglGfxMode = new EglGraphicsMode();
eglGfxMode.window = window;
Mode = eglGfxMode.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[] {
//key,value
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 void SwapBuffers()
{
Egl.SwapBuffers(WindowInfo.Display, WindowInfo.Surface);
}
public GraphicsMode SelectGraphicsMode(ColorFormat color, int depth, int stencil, int samples, ColorFormat accum, int buffers, bool stereo, RenderableFlags renderable_flags)
{
IntPtr[] configs = new IntPtr[1];
int[] attrib_list = new int[17]
{
12352,
(int)renderable_flags,
12324,
color.Red,
12323,
color.Green,
12322,
color.Blue,
12321,
color.Alpha,
12325,
depth > 0 ? depth : 0,
12326,
stencil > 0 ? stencil : 0,
12337,
samples > 0 ? samples : 0,
12344
};
IntPtr display = Egl.GetDisplay(IntPtr.Zero);
int major;
int minor;
if (!Egl.Initialize(display, out major, out minor))
{
throw new GraphicsModeException(string.Format("Failed to initialize display connection, error {0}", (object)Egl.GetError()));
}
int num_config;
if (!Egl.ChooseConfig(display, attrib_list, configs, configs.Length, out num_config) || num_config == 0)
{
throw new GraphicsModeException(string.Format("Failed to retrieve GraphicsMode, error {0}", (object)Egl.GetError()));
}
IntPtr config = configs[0];
int red;
Egl.GetConfigAttrib(display, config, 12324, out red);
int green;
Egl.GetConfigAttrib(display, config, 12323, out green);
int blue;
Egl.GetConfigAttrib(display, config, 12322, out blue);
int alpha;
Egl.GetConfigAttrib(display, config, 12321, out alpha);
int depth1;
Egl.GetConfigAttrib(display, config, 12325, out depth1);
int stencil1;
Egl.GetConfigAttrib(display, config, 12326, out stencil1);
int num;
Egl.GetConfigAttrib(display, config, 12337, out num);
Egl.GetConfigAttrib(display, config, 12337, out samples);
return(new GraphicsMode(new IntPtr?(config), new ColorFormat(red, green, blue, alpha), depth1, stencil1, num > 0 ? samples : 0, (ColorFormat)0, 2, false));
}
public void CreatePbufferSurface(IntPtr config, int width, int height, out IntPtr bufferSurface)
{
int[] attribs = new int[]
{
Egl.WIDTH, width,
Egl.HEIGHT, height,
Egl.TEXTURE_TARGET, Egl.TEXTURE_2D,
Egl.TEXTURE_FORMAT, Egl.TEXTURE_RGBA,
Egl.NONE
};
bufferSurface = Egl.CreatePbufferSurface(Display, config, attribs);
if (bufferSurface == IntPtr.Zero)
{
throw new GraphicsContextException(String.Format(
"[EGL] Failed to create pbuffer surface, error {0}.", Egl.GetError()));
}
}
public override GraphicsContext.GetCurrentContextDelegate CreateGetCurrentGraphicsContext()
{
return(delegate { return new ContextHandle(Egl.GetCurrentContext()); });
}
public void CreateWindowSurface(IntPtr config)
{
Surface = Egl.CreateWindowSurface(Display, config, Handle, IntPtr.Zero);
if (Surface == IntPtr.Zero)
{
throw new GraphicsContextException(String.Format(
"[EGL] Failed to create window surface, error {0}.", Egl.GetError()));
}
}
public GraphicsMode SelectGraphicsMode(SurfaceType surfaceType,
IntPtr display, ColorFormat color, int depth, int stencil,
int samples, ColorFormat accum, int buffers, bool stereo,
RenderableFlags renderableFlags)
{
var configs = new IntPtr[1];
var attribList = new[]
{
Egl.SURFACE_TYPE, (int)surfaceType,
Egl.RENDERABLE_TYPE, (int)renderableFlags,
Egl.RED_SIZE, color.Red,
Egl.GREEN_SIZE, color.Green,
Egl.BLUE_SIZE, color.Blue,
Egl.ALPHA_SIZE, color.Alpha,
Egl.DEPTH_SIZE, depth > 0 ? depth : 0,
Egl.STENCIL_SIZE, stencil > 0 ? stencil : 0,
Egl.SAMPLE_BUFFERS, samples > 0 ? 1 : 0,
Egl.SAMPLES, samples > 0 ? samples : 0,
Egl.NONE
};
int numConfigs;
if (!Egl.ChooseConfig(display, attribList, configs, configs.Length, out numConfigs) || numConfigs == 0)
{
throw new GraphicsModeException($"Failed to retrieve GraphicsMode, error {Egl.GetError()}");
}
// See what we really got
var activeConfig = configs[0];
int r, g, b, a;
Egl.GetConfigAttrib(display, activeConfig, Egl.RED_SIZE, out r);
Egl.GetConfigAttrib(display, activeConfig, Egl.GREEN_SIZE, out g);
Egl.GetConfigAttrib(display, activeConfig, Egl.BLUE_SIZE, out b);
Egl.GetConfigAttrib(display, activeConfig, Egl.ALPHA_SIZE, out a);
int d, s;
Egl.GetConfigAttrib(display, activeConfig, Egl.DEPTH_SIZE, out d);
Egl.GetConfigAttrib(display, activeConfig, Egl.STENCIL_SIZE, out s);
int sampleBuffers;
Egl.GetConfigAttrib(display, activeConfig, Egl.SAMPLES, out sampleBuffers);
Egl.GetConfigAttrib(display, activeConfig, Egl.SAMPLES, out samples);
return(new GraphicsMode(activeConfig, new ColorFormat(r, g, b, a), d, s, sampleBuffers > 0 ? samples : 0, 0,
2, false));
}
public GraphicsMode SelectGraphicsMode(ColorFormat color, int depth, int stencil, int samples, ColorFormat accum, int buffers, bool stereo)
{
IntPtr[] configs = new IntPtr[1];
int[] attribList = new int[]
{
//Egl.SURFACE_TYPE, Egl.WINDOW_BIT,
Egl.RED_SIZE, color.Red,
Egl.GREEN_SIZE, color.Green,
Egl.BLUE_SIZE, color.Blue,
Egl.ALPHA_SIZE, color.Alpha,
Egl.DEPTH_SIZE, depth > 0 ? depth : 0,
Egl.STENCIL_SIZE, stencil > 0 ? stencil : 0,
//Egl.SAMPLE_BUFFERS, samples > 0 ? 1 : 0,
Egl.SAMPLES, samples > 0 ? samples : 0,
//------------
Egl.NONE,
};
// Todo: what if we don't wish to use the default display?
IntPtr display = Egl.GetDisplay(IntPtr.Zero);
int major, minor;
if (!Egl.Initialize(display, out major, out minor))
{
throw new GraphicsModeException(String.Format("Failed to initialize display connection, error {0}", Egl.GetError()));
}
int num_configs;
if (!Egl.GetConfigs(display, null, 0, out num_configs))
{
throw new GraphicsModeException(String.Format("Failed to retrieve GraphicsMode configurations, error {0}", Egl.GetError()));
}
if (!Egl.ChooseConfig(display, attribList, configs, configs.Length, out num_configs))
{
throw new GraphicsModeException(String.Format("Failed to retrieve GraphicsMode, error {0}", Egl.GetError()));
}
// See what we really got
IntPtr active_config = configs[0];
int r, g, b, a;
Egl.GetConfigAttrib(display, active_config, Egl.RED_SIZE, out r);
Egl.GetConfigAttrib(display, active_config, Egl.GREEN_SIZE, out g);
Egl.GetConfigAttrib(display, active_config, Egl.BLUE_SIZE, out b);
Egl.GetConfigAttrib(display, active_config, Egl.ALPHA_SIZE, out a);
int d, s;
Egl.GetConfigAttrib(display, active_config, Egl.DEPTH_SIZE, out d);
Egl.GetConfigAttrib(display, active_config, Egl.STENCIL_SIZE, out s);
int sample_buffers;
Egl.GetConfigAttrib(display, active_config, Egl.SAMPLES, out sample_buffers);
Egl.GetConfigAttrib(display, active_config, Egl.SAMPLES, out samples);
return(new GraphicsMode(active_config, new ColorFormat(r, g, b, a), d, s, sample_buffers > 0 ? samples : 0, 0, 2, false));
}
public override void SwapBuffers()
{
if (!Egl.SwapBuffers(WindowInfo.Display, WindowInfo.Surface))
{
throw new GraphicsContextException(string.Format("Failed to swap buffers for context {0} current. Error: {1}", Handle, Egl.GetError()));
}
}
public static EGLContext CreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_context, int[] attrib_list)
{
IntPtr ptr = eglCreateContext(dpy, config, share_context, attrib_list);
if (ptr == IntPtr.Zero)
{
throw new GraphicsContextException(String.Format("Failed to create EGL context, error: {0}.", Egl.GetError()));
}
return(ptr);
}
public GraphicsMode SelectGraphicsMode(SurfaceType surface_type,
IntPtr display, ColorFormat color, int depth, int stencil,
int samples, ColorFormat accum, int buffers, bool stereo,
RenderableFlags renderable_flags, bool fullscreen)
{
IntPtr[] configs = new IntPtr[1];
int[] attribList = new int[]
{
Egl.SURFACE_TYPE, (int)surface_type,
Egl.RENDERABLE_TYPE, (int)renderable_flags,
Egl.RED_SIZE, color.Red,
Egl.GREEN_SIZE, color.Green,
Egl.BLUE_SIZE, color.Blue,
Egl.ALPHA_SIZE, color.Alpha,
Egl.DEPTH_SIZE, depth > 0 ? depth : 0,
Egl.STENCIL_SIZE, stencil > 0 ? stencil : 0,
Egl.SAMPLE_BUFFERS, samples > 0 ? 1 : 0,
Egl.SAMPLES, samples > 0 ? samples : 0,
Egl.FULLSCREEN_ANGLE, fullscreen ? Egl.TRUE : Egl.FALSE,
Egl.NONE,
};
int num_configs;
if (!Egl.ChooseConfig(display, attribList, configs, configs.Length, out num_configs))
{
throw new GraphicsModeException(String.Format("Failed to retrieve GraphicsMode, error {0}", Egl.GetError()));
}
if (num_configs == 0)
{
if (depth > 0)
{
return(SelectGraphicsMode(surface_type, display, color, 0, stencil, samples, accum, buffers, stereo, renderable_flags, fullscreen));
}
throw new GraphicsModeException(String.Format("Failed to retrieve GraphicsMode, no fitting configurations, error {0}", Egl.GetError()));
}
// See what we really got
IntPtr active_config = configs[0];
int r, g, b, a;
Egl.GetConfigAttrib(display, active_config, Egl.RED_SIZE, out r);
Egl.GetConfigAttrib(display, active_config, Egl.GREEN_SIZE, out g);
Egl.GetConfigAttrib(display, active_config, Egl.BLUE_SIZE, out b);
Egl.GetConfigAttrib(display, active_config, Egl.ALPHA_SIZE, out a);
int d, s;
Egl.GetConfigAttrib(display, active_config, Egl.DEPTH_SIZE, out d);
Egl.GetConfigAttrib(display, active_config, Egl.STENCIL_SIZE, out s);
int sample_buffers;
Egl.GetConfigAttrib(display, active_config, Egl.SAMPLES, out sample_buffers);
Egl.GetConfigAttrib(display, active_config, Egl.SAMPLES, out samples);
return(new GraphicsMode(active_config, new ColorFormat(r, g, b, a), d, s, sample_buffers > 0 ? samples : 0, 0, 2, false));
}
