private unsafe void loadEntryPoints(GraphicsBindingsBase bindings)
{
var type = bindings.GetType();
var pointsInfo = type.GetRuntimeFields().First(x => x.Name == "_EntryPointsInstance");
var namesInfo = type.GetRuntimeFields().First(x => x.Name == "_EntryPointNamesInstance");
var offsetsInfo = type.GetRuntimeFields().First(x => x.Name == "_EntryPointNameOffsetsInstance");
var entryPointsInstance = (IntPtr[])pointsInfo.GetValue(bindings);
var entryPointNamesInstance = (byte[])namesInfo.GetValue(bindings);
var entryPointNameOffsetsInstance = (int[])offsetsInfo.GetValue(bindings);
Debug.Assert(entryPointsInstance != null);
Debug.Assert(entryPointNameOffsetsInstance != null);
fixed(byte *name = entryPointNamesInstance)
{
for (int i = 0; i < entryPointsInstance.Length; i++)
{
var ptr = name + entryPointNameOffsetsInstance[i];
var str = Marshal.PtrToStringAnsi(new IntPtr(ptr));
entryPointsInstance[i] = GetProcAddress(str);
}
}
pointsInfo.SetValue(bindings, entryPointsInstance);
}
public override void LoadAll()
{
//version 1
//new OpenTK.Graphics.ES10.GL().LoadEntryPoints();
//new OpenTK.Graphics.ES11.GL().LoadEntryPoints();
//new OpenTK.Graphics.ES20.GL().LoadEntryPoints();
//version 2
if (s_bindingBase == null)
{
s_bindingBase = new OpenTK.Graphics.ES20.GL();
s_bindingBase.LoadEntryPoints();
}
}
