added rest of the openGL implementation theoreticaly the engine can render now

TSE_GlfwOpenGlImpl/src/RenderTexture.hpp

@@ -0,0 +1,29 @@
+#pragma once
+
+#include "buffer/FrameBuffer.hpp"
+#include "interfaces/IRenderTarget.hpp"
+#include "interfaces/ITexture.hpp"
+#include "interfaces/IResizeNotifiable.hpp"
+
+namespace TSE::GLFW
+{
+    class RenderTexture : public IRenderTarget, public ITexture, public IResizeNotifiable
+    {
+    public:
+        FrameBuffer buffer;
+
+        RenderTexture(Vector2 v);
+
+        Vector2 size() const override;
+        void SetSize(Vector2 v);
+        float width() const override;
+        float height() const override;
+        uint GetTextureId() const override;
+
+        void Update() override;
+        void Bind() override;
+        void Unbind() override;
+
+        void OnResize(float width, float height, IResizable* wnd) override;
+    };
+} // namespace TSE::GLFW