public IntPtr LoadSymbol(IntPtr library, string symbolName)
{
try
{
return(_underlyingLoader.LoadSymbol(library, symbolName));
}
catch (SymbolLoadingException)
{
IntPtr ret;
try
{
ret = GlfwProvider.GLFW.Value.GetProcAddress(symbolName);
}
catch (GlfwException ex)
{
if (ex.ErrorCode == ErrorCode.NoContext)
{
// give a more helpful error message
throw new InvalidOperationException
(
"An OpenGL context isn't current on this thread. If you're using Silk.NET.Windowing, you" +
"can access the render thread via the Invoke method on IWindow.",
ex
);
}
throw;
}
if (ret == IntPtr.Zero)
{
throw new SymbolLoadingException
(
$"GLFW: \"{symbolName}\" not found."
);
}
return(ret);
}
}
/// <summary> /// Forwards the symbol loading call to the wrapped platform loader. /// </summary> /// <param name="sym">The symbol name.</param> /// <returns>A handle to the symbol.</returns> internal IntPtr LoadSymbol([NotNull] string sym) => _symbolLoader.LoadSymbol(_libraryHandle, sym);
public IntPtr LoadSymbol(IntPtr library, [NotNull] string symbolName)
{
LoadSymbolCalled = true;
return(_defaultLoader.LoadSymbol(library, symbolName == "GetString" ? "GetNullString" : symbolName));
}
