#ifndef GX_GL_SDL_GL_TEXTURE_HPP
#define GX_GL_SDL_GL_TEXTURE_HPP

#include "gx/glsdl/GL.hpp"
#include "gx/glsdl/GLObject.hpp"
#include "gx/glsdl/GLTypes.hpp"
#include <list>
#include <vector>
#include <atomic>
#include <bc/Thread.hpp>

#define GLTFLAG_RENDERTARGET 0x1
#define GLTFLAG_DEPTH 0x2
#define GLTFLAG_STENCIL 0x4
#define GLTFLAG_AUTOGEN_MIPMAP 0x8
#define GLTFLAG_READ_ACCESS 0x10
#define GLTFLAG_SYSTEM_BUFFER 0x20

class CGxTex;
class GLMipmap;
class GLSDLDevice;

class GLTexture : public GLObject {
    public:
        // Types
        struct Binding {
            uint8_t boundStages[16];
            GLSDLDevice* device;
        };

        // Static variables
        static Blizzard::Thread::TLSSlot m_Bindings[4];

        // Static functions
        static void* CreateBindings(void*);
        static void DestroyBindings(void*);

        // Member variables
        uint32_t m_TextureID = 0;
        GLEnum m_TextureType = 0;
        GLMipmap** m_Mipmaps = nullptr;
        std::list<GLTexture*>::iterator var7;
        uint32_t m_LastFrameUsed;
        uint32_t m_Width = 0;
        uint32_t m_Height = 0;
        uint32_t m_Depth = 0;
        uint32_t var12 = 0;
        uint32_t m_Size = 0;
        GLTextureFormat m_Format = GLTF_INVALID;
        uint32_t m_Flags = 0;
        uint32_t m_NumMipmap = 0;
        uint32_t m_RequestedNumMipmaps;
        char* m_Data = nullptr;
        std::atomic<int32_t> m_MappedMipmaps = { 0 };
        GLStates::Sampler m_Sampler;
        bool m_GenerateMipmaps = 0;
        int32_t m_MaxMipmapLevel = 1000;
        int32_t m_BaseMipmapLevel = 0;
        int32_t m_CompareMode = 0;

        // Member functions
        void Bind(GLSDLDevice*, bool);
        void FreeTexture();
        std::vector<Binding>& GetBindings(void); // invented name
        GLTextureFormat GetFormat(void);
        TextureFormatInfo& GetFormatInfo(void);
        GLMipmap* GetMipmap(uint32_t, GLEnum);
        bool IsRenderTarget(void);
        bool IsSystemBuffer(void);
        bool IsValid(void);
        void* Map(uint32_t, const GLRect*, uint32_t&, GLEnum);
        void RecreateGLTexture(void);
        void ResizeMipmaps(void);
        void SetAddressModeR(GLEnum);
        void SetAddressModeS(GLEnum);
        void SetAddressModeT(GLEnum);
        void SetBorderColor(const GLColor4f&);
        void SetCompareMode(GLEnum);
        void SetMagFilterMode(GLEnum);
        void SetMaxAnisotropy(int32_t);
        void SetMinFilterMode(GLEnum);
        void SetupTexture(void);
        void Unbind(GLSDLDevice*, uint32_t); // invented name
        void Unmap(uint32_t level, GLEnum face);
};

class GLTexture2D : public GLTexture {
    public:
        // Static functions
        static GLTexture2D* Create(uint32_t, uint32_t, uint32_t, GLTextureFormat, uint32_t);

        // Virtual member functions
        virtual void ReleaseObject();

        // Member functions
        GLTexture2D();
};

void GLSDLTexSetFlags(CGxTex*, GLTexture*);

#endif