public override void Init(IntPtr display, IntPtr window, uint samples, bool vsync, bool sRGB)
{
_display = display;
_window = window;
while (!_dev.SupportsTextureSampleCount(samples))
{
samples >>= 1;
}
_samples = samples;
_layer = new CAMetalLayer();
_layer.Device = _dev;
_layer.PixelFormat = sRGB ? MTLPixelFormat.BGRA8Unorm_sRGB : MTLPixelFormat.BGRA8Unorm;
_layer.FramebufferOnly = true;
#if __IOS__
UIView view = (UIView)ObjCRuntime.Runtime.GetNSObject(window);
view.Layer.AddSublayer(_layer);
#else
// Mac
NSView view = (NSView)ObjCRuntime.Runtime.GetNSObject(window);
view.Layer.AddSublayer(_layer);
#endif
_cmdQueue = _dev.CreateCommandQueue();
_descriptor = new MTLRenderPassDescriptor();
_descriptor.ColorAttachments[0].ClearColor = new MTLClearColor(0.0, 1.0, 0.0, 0.0);
if (samples > 1)
{
_descriptor.ColorAttachments[0].StoreAction = MTLStoreAction.MultisampleResolve;
}
else
{
_descriptor.ColorAttachments[0].StoreAction = MTLStoreAction.Store;
}
_descriptor.StencilAttachment.ClearStencil = 0;
_descriptor.StencilAttachment.LoadAction = MTLLoadAction.Clear;
_descriptor.StencilAttachment.StoreAction = MTLStoreAction.DontCare;
_device = new Noesis.RenderDeviceMTL(_dev.Handle, sRGB);
}