OpenGL in Rhino 6

@ModuleWorks_Marcelb wrote:

I use a Rhino.Display.DisplayConduit for both Rhino 5 and 6. In Rhino 5 it behaves completely fine like I would expect. I’m doing some OpenGL calls there and everything looks ok.

Now in Rhino 6 either I cannot see anything or it seems to break the whole visualization. I tried to draw a simple triangle which works in Rhino 5 but not in 6 using the following code:

GL.Color3(Color.Red);
GL.ColorMaterial(GLEnum.FrontAndBack, GLEnum.AmbientAndDiffuse);
GL.Enable(GLEnum.ColorMaterial);

GL.Begin(GLEnum.Triangles);

GL.Vertex3(0, 0, 0);
GL.Vertex3(0, 0, 100);
GL.Vertex3(0, 100, 0);

GL.End();

The GL calls are going to an OpenGL wrapper I provide myself.

When I try to draw more complex stuff I get this result:

2017-11-15 17_13_31-Untitled - Rhinoceros BETA.png1075x739 4.4 KB

Are there any changes to OpenGL support in Rhino 6? How can I solve this?

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