/Users/morten/Programmering/cpp/kick/src/kick/texture/texture2d.h

//
//  texture.h
//  KickCPP
//
//  Created by morten on 16/03/14.
//  Copyright (c) 2014 Morten Nobel-Joergensen. All rights reserved.
//

#pragma once

#include <vector>

#include "kick/core/project_asset.h"
#include "kick/core/kickgl.h"
#include "kick/texture/texture_sampler.h"
#include "kick/texture/image_format.h"
#include "kick/texture/texture2d_data.h"
#include "glm/glm.hpp"

namespace kick {
    class Project;
    
    class Texture2D : public ProjectAsset {
    public:
        Texture2D(TextureSampler textureSampler = {});
        Texture2D(const Texture2D&) = delete;
        Texture2D(Texture2D&& m);
        ~Texture2D();

        // Create an empty color texture. A simple alternative to setData
        void setEmptyColorTexture(int width = 512, int height = 512, int colorChannels = 4, bool fpTexture = false);

        // Create an empty depth texture. A simple alternative to setData
        void setEmptyDepthTexture(int width = 512, int height = 512, int bits = 32, bool fpTexture = false);

        void setData(const Texture2DData& data, const ImageFormat& imageFormat = {});
        void setData(int width, int height, const char* data, const ImageFormat& imageFormat = {});

        Texture2DData data();

        // return the runtime usage in bytes
        int dataSize();

        void bind(int textureSlot);
        int width(){ return mWidth; }
        int height(){ return mHeight; }
        glm::vec2 size() {return glm::vec2{mWidth, mHeight}; }
        void setTextureSampler(const TextureSampler & textureSampler);
        TextureSampler textureSampler() const;
        ImageFormat imageFormat() const;
        friend class TextureRenderTarget;

        void saveBMPImage(std::string filename);
    private:
        GLuint mTextureid;
        int mWidth = -1;
        int mHeight = -1;
        TextureSampler mTextureSampler;
        ImageFormat mImageFormat;
    };
}