just a minor refactor, nothing special

src/graphics/core/Shader.hpp

@@ -0,0 +1,47 @@
+#ifndef GRAPHICS_CORE_SHADER_H_
+#define GRAPHICS_CORE_SHADER_H_
+
+#include "../../typedefs.h"
+
+#include <string>
+#include <unordered_map>
+#include <glm/glm.hpp>
+
+class GLSLExtension;
+
+class Shader {
+    uint id;
+    std::unordered_map<std::string, uint> uniformLocations;
+    
+    uint getUniformLocation(const std::string& name);
+public:
+    static GLSLExtension* preprocessor;
+
+    Shader(uint id);
+    ~Shader();
+
+    void use();
+    void uniformMatrix(const std::string&, glm::mat4 matrix);
+    void uniform1i(const std::string& name, int x);
+    void uniform1f(const std::string& name, float x);
+    void uniform2f(const std::string& name, float x, float y);
+    void uniform2f(const std::string& name, glm::vec2 xy);
+    void uniform2i(const std::string& name, glm::ivec2 xy);
+    void uniform3f(const std::string& name, float x, float y, float z);
+    void uniform3f(const std::string& name, glm::vec3 xyz);
+
+    /// @brief Create shader program using vertex and fragment shaders source.
+    /// @param vertexFile vertex shader file name
+    /// @param fragmentFile fragment shader file name
+    /// @param vertexSource vertex shader source code
+    /// @param fragmentSource fragment shader source code
+    /// @return linked shader program containing vertex and fragment shaders
+    static Shader* create(
+        const std::string& vertexFile, 
+        const std::string& fragmentFile,
+        const std::string& vertexSource, 
+        const std::string& fragmentSource
+    );
+};
+
+#endif // GRAPHICS_SHADER_H_