Add setting texture unit in bind()

inferno/src/inferno/render/texture.cpp

@@ -45,9 +45,15 @@ namespace Inferno {
 		glDeleteTextures(1, &m_id);
 	}
 
-	void Texture::bind() const
+	void Texture::bind(uint32_t unit) const
 	{
+		// Set active unit
+		glActiveTexture(GL_TEXTURE0 + unit);
+
 		glBindTexture(GL_TEXTURE_2D, m_id);
+
+		// Reset unit
+		glActiveTexture(GL_TEXTURE0);
 	}
 
 	void Texture::unbind() const

inferno/src/inferno/render/texture.h

@@ -13,7 +13,7 @@ namespace Inferno {
 		Texture(const std::string& path);
 		virtual ~Texture();
 
-		void bind() const;
+		void bind(uint32_t unit = 0) const;
 		void unbind() const;
 
 		inline std::string path() const { return m_path; }