/// <summary>
/// Creates the OpenGL instance.
/// </summary>
/// <param name="renderContextType">Type of the render context.</param>
/// <param name="width">The drawing context width.</param>
/// <param name="height">The drawing context height.</param>
/// <param name="bitDepth">The bit depth.</param>
/// <param name="parameter">The parameter.</param>
/// <returns></returns>
public virtual bool Create(ref RenderContextType renderContextType, int width, int height, int bitDepth, object parameter)
{
// Return if we don't have a sensible width or height.
if(width == 0 || height == 0 || bitDepth == 0)
return false;
try
{
// Create an instance of the render context provider.
switch (renderContextType)
{
case RenderContextType.DIBSection:
renderContextProvider = new DIBSectionRenderContextProvider();
break;
case RenderContextType.NativeWindow:
renderContextProvider = new NativeWindowRenderContextProvider();
break;
case RenderContextType.HiddenWindow:
renderContextProvider = new HiddenWindowRenderContextProvider();
break;
case RenderContextType.FBO:
renderContextProvider = new FBORenderContextProvider();
break;
}
// Create the render context.
renderContextProvider.Create(this, width, height, bitDepth, parameter);
}
catch
{
//if FBO failed, try with DIBSection
if (renderContextType==RenderContextType.FBO)
{
renderContextType = RenderContextType.DIBSection;
renderContextProvider = null;
renderContextProvider = new DIBSectionRenderContextProvider();
// Create the render context, second try
renderContextProvider.Create(this, width, height, bitDepth, parameter);
}
}
return true;
}
/// <summary>
/// Creates the OpenGL instance.
/// </summary>
/// <param name="openGLVersion">The OpenGL version requested.</param>
/// <param name="renderContextType">Type of the render context.</param>
/// <param name="width">The drawing context width.</param>
/// <param name="height">The drawing context height.</param>
/// <param name="bitDepth">The bit depth.</param>
/// <param name="parameter">The parameter.</param>
/// <returns></returns>
public virtual bool Create(OpenGLVersion openGLVersion, RenderContextType renderContextType, int width, int height, int bitDepth, object parameter)
{
// Return if we don't have a sensible width or height.
if(width == 0 || height == 0 || bitDepth == 0)
return false;
// Create an instance of the render context provider.
switch(renderContextType)
{
case RenderContextType.DIBSection:
renderContextProvider = new DIBSectionRenderContextProvider();
break;
case RenderContextType.NativeWindow:
renderContextProvider = new NativeWindowRenderContextProvider();
break;
case RenderContextType.HiddenWindow:
renderContextProvider = new HiddenWindowRenderContextProvider();
break;
case RenderContextType.FBO:
renderContextProvider = new FBORenderContextProvider();
break;
}
// Create the render context.
renderContextProvider.Create(openGLVersion, this, width, height, bitDepth, parameter);
return true;
}