private void RenderMaterialPreview(NUD.Material material) { if (!tabControl1.SelectedTab.Text.Equals("Textures")) { return; } GL.Viewport(texAlphaGlControl.ClientRectangle); RenderTools.DrawNudMaterialSphere(material); texRgbGlControl.SwapBuffers(); if (!Runtime.shaders["Texture"].HasCheckedCompilation) { Runtime.shaders["Texture"].DisplayProgramStatus("Texture"); } }