OpenGLRenderer: Implement TextureSampler (and texture units)

include/Nazara/OpenGLRenderer/OpenGLTextureSampler.inl

@@ -2,12 +2,12 @@
 // This file is part of the "Nazara Engine - OpenGL Renderer"
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
-#include <Nazara/OpenGLRenderer/OpenGLShaderBinding.hpp>
+#include <Nazara/OpenGLRenderer/OpenGLTextureSampler.hpp>
 #include <Nazara/OpenGLRenderer/Debug.hpp>
 
 namespace Nz
 {
-	inline VkSampler OpenGLTextureSampler::GetSampler() const
+	inline const GL::Sampler& OpenGLTextureSampler::GetSampler() const
 	{
 		return m_sampler;
 	}