/// <summary>
/// Issues starting of rendering to the destination framebuffer of the view associated with index.
/// </summary>
/// <param name="context">Represent an LGL context.</param>
/// <param name="index">The index of the view to be rendered.</param>
/// <param name="matrix">Pointer to 16 consecutive double values, which are set by the function as the elements of a 4x4 column-major matrix.</param>
/// <returns></returns>
public static bool StartRender(LGLContext context, uint index, [In] double[] matrix)
{
unsafe
{
fixed(double *matrix_ptr = matrix)
{
return(lglStartRender(context, index, matrix_ptr));
}
}
}
/// <summary>
/// Issues starting of rendering to the destination framebuffer of the view associated with index.
/// </summary>
/// <param name="context">Represent an LGL context.</param>
/// <param name="index">The index of the view to be rendered.</param>
/// <param name="matrix">Pointer to 16 consecutive double values, which are set by the function as the elements of a 4x4 column-major matrix.</param>
/// <returns></returns>
public static bool StartRender <T>(LGLContext context, uint index, [In] T matrix) where T : struct
{
GCHandle matrix_ptr = GCHandle.Alloc(matrix, GCHandleType.Pinned);
try
{
return(lglStartRender(context, index, matrix_ptr.AddrOfPinnedObject()));
}
finally
{
matrix_ptr.Free();
}
}
private static extern void lglGetRenderSize(LGLContext context, uint index, [Out] out uint width, [Out] out uint height);
private static extern void lglGetProjection(LGLContext context, uint index, out LGLProjection proj);
private static extern void lglFinishRender(LGLContext context);
private static unsafe extern bool lglStartRender(LGLContext context, uint index, [In] IntPtr matrix);
private static extern uint lglGetRenderCount(LGLContext context);
private static extern void lglDeleteContext(LGLContext context);
/// <summary>
/// Issues starting of rendering to the destination framebuffer of the view associated with index.
/// </summary>
/// <param name="context">Represent an LGL context.</param>
/// <param name="index">The index of the view to be rendered.</param>
/// <param name="matrix">Pointer to 16 consecutive double values, which are set by the function as the elements of a 4x4 column-major matrix.</param>
/// <returns></returns>
public static unsafe bool StartRender(LGLContext context, uint index, [In] IntPtr matrix)
{
return(lglStartRender(context, index, matrix));
}
/// <summary>
/// Returns the near and far clipping distances.
/// </summary>
/// <param name="context">Represent an LGL context.</param>
/// <param name="neard">Near clipping distance.</param>
/// <param name="fard">Far clipping distance.</param>
public static void GetClippingPlane(LGLContext context, [Out] out double neard, [Out] out double fard)
{
lglGetClippingPlane(context, out neard, out fard);
}
/// <summary>
/// Sets the near and far clipping distances.
/// </summary>
/// <param name="context">Represent an LGL context.</param>
/// <param name="neard">Near clipping distance.</param>
/// <param name="fard">Far clipping distance.</param>
public static void SetClippingPlane(LGLContext context, [In] double neard, [In] double fard)
{
lglSetClippingPlane(context, neard, fard);
}
/// <summary>
/// Returns the dimensions of the framebuffer associated with index.
/// </summary>
/// <param name="context">Represent an LGL context.</param>
/// <param name="index">The index of the view.</param>
/// <param name="width"></param>
/// <param name="height"></param>
public static void GetRenderSize(LGLContext context, uint index, [Out] out uint width, [Out] out uint height)
{
lglGetRenderSize(context, index, out width, out height);
}
/// <summary>
/// Returns the projection parameters for a given view.
/// </summary>
/// <param name="context">Represent an LGL context.</param>
/// <param name="index">The index of the view.</param>
/// <param name="proj">Pointer to an LGLProjection structure that will be filled by the function.</param>
public static void GetProjection(LGLContext context, uint index, out LGLProjection proj)
{
lglGetProjection(context, index, out proj);
}
/// <summary>
/// Creates the proper output that to be derived from all rendered views.
/// <para>This will refresh the contents of the default framebuffers associated with the LGLContext, that is it calls SwapBuffers() for each device.</para>
/// <para>Therefore, you shouldn't call SwapBuffers() at any time.</para>
/// </summary>
/// <param name="context">Represent an LGL context.</param>
public static void FinishRender(LGLContext context)
{
lglFinishRender(context);
}
private static extern void lglSetClippingPlane(LGLContext context, [In] double neard, [In] double fard);
/// <summary>
/// Destroys an LGL Context.
/// </summary>
/// <param name="context">LGL Context</param>
public static void DeleteContext(LGLContext context)
{
lglDeleteContext(context);
}
private static extern void lglGetClippingPlane(LGLContext context, [Out] out double neard, [Out] out double fard);
/// <summary>
/// Returns the number of views to render.
/// </summary>
/// <param name="context">Represent an LGL context.</param>
/// <returns>Number of views to render.</returns>
public static uint GetRenderCount(LGLContext context)
{
return(lglGetRenderCount(context));
}
