public void BeginInstance(Backend backend, Camera camera, int renderStateId)
{
if (!Initialized)
{
Initialize(backend);
}
backend.BeginInstance(Shader.Handle, TextureHandles, samplers: Samplers, renderStateId: renderStateId);
for (var i = 0; i < SamplerToTexture.Length; i++)
{
backend.BindShaderVariable(SamplerToTexture[i], i);
}
backend.BindShaderVariable(Handles.Time, backend.ElapsedTime);
backend.BindShaderVariable(Handles.CameraPosition, ref camera.Position);
}
