tried to implement rendering with bgfx, dnf

include/grenderer.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <vector>
+
+#include "gwindow.h"
+#include "logger.h"
+#include "vertex.h"
+
+class GRenderer {
+public:
+  GRenderer(GWindow *w, Logger *l);
+  ~GRenderer();
+  void init();
+  void update();
+
+private:
+  Logger *logger;
+  GWindow *window;
+
+  bgfx::ShaderHandle vsh;
+  bgfx::ShaderHandle fsh;
+  bgfx::ProgramHandle program;
+
+  bgfx::VertexBufferHandle vbh;
+  bgfx::IndexBufferHandle ibh;
+  std::vector<PosColVertex> *vertexes;
+  std::vector<int> *tri_list;
+
+  bgfx::VertexLayout layout;
+
+  void bgfx_init();
+  void shader_init();
+  bgfx::ShaderHandle load_shader(const char *name);
+};