public bool NeedPresentThread => FrameFactory.getcurrentfunc == null && Xwt.Toolkit.CurrentEngine.Type != ToolkitType.Wpf;//only mac and wpf have auto present for gtk
public FrameFactory(Func <IntPtr> getcurrentfunc)
{
try
{
var options = new ToolkitOptions()
{
EnableHighResolution = true
};
options.Backend = PlatformBackend.PreferNative;
this.toolkit = global::OpenTK.Toolkit.Init(options);
if (getcurrentfunc != null)
{
FrameFactory._getcurrentfunc = getcurrentfunc;
FrameFactory.getcurrentfunc = new GraphicsContext.GetCurrentContextDelegate(() => new ContextHandle(getcurrentfunc()));
typeof(GraphicsContext).SetFieldValuePrivateStatic("GetCurrentContext", FrameFactory.getcurrentfunc);
}
}
catch (Exception e)
{
// Log.LogException(e);
throw;
}
}
public OpenGLESRenderContext(Window window, OpenGLPlatformContextInfo platformContext)
{
ResourceFactory = new OpenGLESResourceFactory();
RenderCapabilities = new RenderCapabilities(false, false);
_swapBufferFunc = platformContext.SwapBuffer;
GraphicsContext.GetAddressDelegate getAddressFunc = s => platformContext.GetProcAddress(s);
GraphicsContext.GetCurrentContextDelegate getCurrentContextFunc = () => new ContextHandle(platformContext.GetCurrentContext());
_openGLGraphicsContext = new GraphicsContext(new ContextHandle(platformContext.ContextHandle), getAddressFunc, getCurrentContextFunc);
_openGLGraphicsContext.LoadAll();
_defaultFramebuffer = new OpenGLESDefaultFramebuffer(window.Width, window.Height);
OnWindowResized(window.Width, window.Height);
_textureSamplerManager = new OpenGLESTextureSamplerManager();
_maxConstantBufferSlots = GL.GetInteger(GetPName.MaxUniformBufferBindings);
Utilities.CheckLastGLES3Error();
_constantBuffersBySlot = new OpenGLESConstantBuffer[_maxConstantBufferSlots];
_newConstantBuffersBySlot = new OpenGLESConstantBuffer[_maxConstantBufferSlots];
SetInitialStates();
PostContextCreated();
}
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));
}
}
public OpenGLRenderContext(Window window, OpenGLPlatformContextInfo platformContext)
{
_resourceFactory = new OpenGLResourceFactory();
RenderCapabilities = new RenderCapabilities(true, true);
_swapBufferFunc = platformContext.SwapBuffer;
GraphicsContext.GetAddressDelegate getAddressFunc = s => platformContext.GetProcAddress(s);
GraphicsContext.GetCurrentContextDelegate getCurrentContextFunc = () => new ContextHandle(platformContext.GetCurrentContext());
_openGLGraphicsContext = new GraphicsContext(new ContextHandle(platformContext.ContextHandle), getAddressFunc, getCurrentContextFunc);
_openGLGraphicsContext.LoadAll();
// NOTE: I am binding a single VAO globally.
_vertexArrayID = GL.GenVertexArray();
GL.BindVertexArray(_vertexArrayID);
_defaultFramebuffer = new OpenGLDefaultFramebuffer(window.Width, window.Height);
OnWindowResized(window.Width, window.Height);
SetInitialStates();
PostContextCreated();
int extensionCount = GL.GetInteger(GetPName.NumExtensions);
HashSet <string> extensions = new HashSet <string>();
for (int i = 0; i < extensionCount; i++)
{
extensions.Add(GL.GetString(StringNameIndexed.Extensions, i));
}
_extensions = new OpenGLExtensions(extensions);
_textureSamplerManager = new OpenGLTextureSamplerManager(_extensions);
_maxConstantBufferSlots = GL.GetInteger(GetPName.MaxUniformBufferBindings);
_constantBuffersBySlot = new OpenGLConstantBuffer[_maxConstantBufferSlots];
_newConstantBuffersBySlot = new OpenGLConstantBuffer[_maxConstantBufferSlots];
_maxTextureUnits = GL.GetInteger(GetPName.MaxTextureImageUnits);
_maxVertexAttributeSlots = GL.GetInteger(GetPName.MaxVertexAttribs);
_vertexAttribDivisors = new int[_maxVertexAttributeSlots];
}
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));
}
}
