added CPU uniform location lookup optimization

src/render/Shader.hpp

@@ -1,22 +1,21 @@
 #pragma once
 
 #include "../defines.hpp"
-
-struct SQuad {
-    GLuint program;
-    GLint proj;
-    GLint color;
-    GLint posAttrib;
-    GLint texAttrib;
-};
+#include <unordered_map>
 
 class CShader {
 public:
     GLuint program;
     GLint proj;
+    GLint color;
     GLint tex;
     GLint alpha;
     GLint posAttrib;
     GLint texAttrib;
     GLint discardOpaque;
+
+    GLint getUniformLocation(const std::string&);
+
+private:
+    std::unordered_map<std::string, GLint> m_muUniforms;
 };