GL!

src/Avalonia.Native.OSX/gl.mm

@@ -103,6 +103,7 @@ class GlFeature : public virtual ComSingleObject<IAvnGlFeature, &IID_IAvnGlFeatu
 {
     IAvnGlDisplay* _display;
     AvnGlContext *_immediate;
+    NSOpenGLContext* _shared;
 public:
     FORWARD_IUNKNOWN()
     NSOpenGLPixelFormat* _format;
@@ -111,11 +112,13 @@ public:
         _display = display;
         _immediate = immediate;
         _format = format;
+        _shared = [[NSOpenGLContext alloc] initWithFormat:_format shareContext:_immediate->GlContext];
     }
     
     NSOpenGLContext* CreateContext()
     {
-        return [[NSOpenGLContext alloc] initWithFormat:_format shareContext:nil];
+        return _shared;
+        //return [[NSOpenGLContext alloc] initWithFormat:_format shareContext:nil];
     }
     
     virtual HRESULT ObtainDisplay(IAvnGlDisplay**retOut)
@@ -208,6 +211,7 @@ public:
         glFlush();
         [_context flushBuffer];
         [_context setView:nil];
+        CGLUnlockContext([_context CGLContextObj]);
         [_view unlockFocus];
     }
 };
@@ -235,6 +239,7 @@ public:
             return E_ABORT;
         
         auto gl = _context;
+        CGLLockContext([_context CGLContextObj]);
         [gl setView: _view];
         [gl makeCurrentContext];
         auto frame = [_view frame];

src/Avalonia.Native.OSX/window.mm

@@ -782,7 +782,7 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
     }
     
     auto swOp = &_parent->CurrentSwDrawingOperation;
-        _parent->BaseEvents->Paint();
+    _parent->BaseEvents->Paint();
     if(swOp->Data != NULL)
         [self drawFb: &swOp->Desc];
     

src/Avalonia.Native/AvaloniaNativePlatform.cs

@@ -76,6 +76,7 @@ namespace Avalonia.Native
                 .Bind<IRenderLoop>().ToConstant(new RenderLoop())
                 .Bind<IRenderTimer>().ToConstant(new DefaultRenderTimer(60))
                 .Bind<ISystemDialogImpl>().ToConstant(new SystemDialogs(_factory.CreateSystemDialogs()))
+                .Bind<IWindowingPlatformGlFeature>().ToConstant(new GlPlatformFeature(_factory.ObtainGlFeature()))
                 .Bind<AvaloniaNativeOptions>().ToConstant(opts);
         }
 

src/Avalonia.Native/WindowImplBase.cs

@@ -188,7 +188,7 @@ namespace Avalonia.Native
 
             void IAvnWindowBaseEvents.RunRenderPriorityJobs()
             {
-                if (_parent._deferredRendering && !_parent._gpu
+                if (_parent._deferredRendering
                     && _parent._lastRenderedLogicalSize != _parent.ClientSize)
                     // Hack to trigger Paint event on the renderer
                     _parent.Paint?.Invoke(new Rect());