feat: opengl buffer & nested uniform buffer class

engine/include/engine/opengl/buffers.h

@@ -0,0 +1,43 @@
+#ifndef OPENGL_BUFFERS_H_
+#define OPENGL_BUFFERS_H_
+
+#include <GL/glew.h>
+
+#include "engine/export.h"
+
+namespace Core {
+
+namespace OpenGL {
+    using BufferTarget = GLenum;
+    using BufferUsage = GLenum;
+    using BufferID = unsigned int;
+
+    class ENGINE_API Buffer {
+    public:
+        Buffer(BufferTarget target, BufferUsage usage);
+
+        void Data(void* data, size_t size);
+        void SubData(void *data, size_t size, size_t offset);
+        
+        void BindBuffer(unsigned int index);
+        void BindBufferRanged(unsigned int index, size_t offset, size_t size);
+    protected:
+        void Bind();
+        void Unbind();
+    private:
+        BufferID m_buffer;
+        BufferTarget m_target;
+        BufferUsage m_usage;
+    };
+
+    class ENGINE_API UniformBuffer : public Buffer {
+    public:
+        UniformBuffer(size_t size, unsigned int index);
+    public:
+        
+    };
+} // namespace OpenGL
+
+} // namespace Core
+
+#endif // OPENGL_BUFFERS_H_