[FEATURE] simple GUI support

src/shaders/gui_shader.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <glm/gtc/matrix_transform.hpp>
+#include "shader_program.h"
+
+namespace shaders
+{
+	/*
+	 * This class handles the shaders for all the GUI items
+	 */
+	
+	class GuiShader : public ShaderProgram
+	{
+	private:
+		GLuint location_model_matrix;
+
+	public:
+		GuiShader();
+
+		/*
+		 * @brief: A method to load the model matrix into the shader
+		 *
+		 * @param matrix: The model matrix
+		 */
+		void LoadModelMatrix(const glm::mat4& matrix) const;
+
+	protected:
+		void SetAttributes() const override;
+		void GetAllUniformLocations() override;
+	};
+}