it works?

src/game/rendering/Rendering.h

@@ -0,0 +1,102 @@
+#pragma once
+#include "bimg/bimg.h"
+#include <bgfx/bgfx.h>
+#include <cstdio>
+#include <bx/string.h>
+
+namespace Game
+{
+  struct VertexData
+  {
+    float X;
+    float Y;
+    float Z;
+    uint32_t VertCol;
+  };
+
+  struct BgfxCallback : public bgfx::CallbackI
+  {
+  	virtual ~BgfxCallback()
+  	{
+  	}
+
+  	virtual void fatal(const char* _filePath, uint16_t _line, bgfx::Fatal::Enum _code, const char* _str) override
+  	{
+  		// Something unexpected happened, inform user and bail out.
+  		printf("Fatal error: 0x%08x: %s", _code, _str);
+
+  		// Must terminate, continuing will cause crash anyway.
+  		abort();
+  	}
+
+  	virtual void traceVargs(const char* _filePath, uint16_t _line, const char* _format, va_list _argList) override
+  	{
+  		printf("%s (%d): ", _filePath, _line);
+  		printf(_format, _argList);
+  	}
+
+  	virtual void profilerBegin(const char* /*_name*/, uint32_t /*_abgr*/, const char* /*_filePath*/, uint16_t /*_line*/) override
+  	{
+  	}
+
+  	virtual void profilerBeginLiteral(const char* /*_name*/, uint32_t /*_abgr*/, const char* /*_filePath*/, uint16_t /*_line*/) override
+  	{
+  	}
+
+  	virtual void profilerEnd() override
+  	{
+  	}
+
+  	virtual uint32_t cacheReadSize(uint64_t _id) override
+  	{
+  		return 0;
+  	}
+
+  	virtual bool cacheRead(uint64_t _id, void* _data, uint32_t _size) override
+  	{
+  		return false;
+  	}
+
+  	virtual void cacheWrite(uint64_t _id, const void* _data, uint32_t _size) override
+  	{
+  	}
+
+  	virtual void screenShot(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _data, uint32_t /*_size*/, bool _yflip) override
+  	{
+  	}
+
+  	virtual void captureBegin(uint32_t _width, uint32_t _height, uint32_t /*_pitch*/, bgfx::TextureFormat::Enum /*_format*/, bool _yflip) override
+  	{
+  	}
+
+  	virtual void captureEnd() override
+  	{
+  	}
+
+  	virtual void captureFrame(const void* _data, uint32_t /*_size*/) override
+  	{
+  	}
+  };
+
+  struct RenderState
+  {
+    int64_t StartTime = 0;
+    uint32_t WindowWidth = 1920;
+    uint32_t WindowHeight = 1080;
+  };
+  
+  class GameRendering
+  {
+  private:
+    bgfx::VertexLayout VertLayout;
+    bgfx::VertexBufferHandle VertexBuffer;
+    bgfx::IndexBufferHandle IndexBuffer;
+    bgfx::ProgramHandle Shader;
+    BgfxCallback Callback;
+    RenderState State;
+  public:
+    void Setup(void* window);
+    void Update();
+    void Shutdown();
+  };
+}