void Update()
{
PluginEntry.Poll();
if (_receiver == System.IntPtr.Zero)
{
// The receiver hasn't been set up yet; try to get one.
SearchAndCreateTexture();
}
else
{
// We've received textures via this receiver
// but now it's disconnected from the sender -> Destroy it.
if (PluginEntry.GetTexturePointer(_receiver) != System.IntPtr.Zero &&
PluginEntry.DetectDisconnection(_receiver))
{
OnDestroy();
}
}
if (_receiver != System.IntPtr.Zero)
{
if (_sharedTexture == null)
{
// Try to initialize the shared texture.
var ptr = PluginEntry.GetTexturePointer(_receiver);
if (ptr != System.IntPtr.Zero)
{
_sharedTexture = Texture2D.CreateExternalTexture(
PluginEntry.GetTextureWidth(_receiver),
PluginEntry.GetTextureHeight(_receiver),
TextureFormat.ARGB32, false, false, ptr
);
}
}
else
{
// Update external objects.
if (_targetTexture != null)
{
Graphics.Blit(_sharedTexture, _targetTexture, _fixupMaterial, 1);
}
else
{
if (_fixedTexture == null)
{
_fixedTexture = new RenderTexture(_sharedTexture.width, _sharedTexture.height, 0);
}
Graphics.Blit(_sharedTexture, _fixedTexture, _fixupMaterial, 1);
}
if (_targetRenderer != null)
{
_propertyBlock.SetTexture(_targetMaterialProperty, receivedTexture);
_targetRenderer.SetPropertyBlock(_propertyBlock);
}
}
}
}