BackendRendererOpenGL3.hpp

//
// TGUI - Texus' Graphical User Interface
// Copyright (C) 2012-2026 Bruno Van de Velde (vdv_b@tgui.eu)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
 
#ifndef TGUI_BACKEND_RENDERER_OPENGL3_HPP
#define TGUI_BACKEND_RENDERER_OPENGL3_HPP
 
#include <TGUI/Backend/Renderer/BackendRenderer.hpp>
#include <TGUI/Backend/Renderer/OpenGL3/BackendRenderTargetOpenGL3.hpp>
#include <TGUI/Backend/Renderer/OpenGL3/BackendTextureOpenGL3.hpp>
#include <TGUI/Backend/Renderer/OpenGL3/CanvasOpenGL3.hpp>
 
#include <memory>

 
namespace tgui
{
    class TGUI_API BackendRendererOpenGL3 : public BackendRenderer
    {
    public:
        using ContextLoadFuncReturnType = void (*)();
        using ContextLoadFuncType = ContextLoadFuncReturnType (*)(const char* name);
 
        using SDLContextLoadFuncType = void* (*)(const char* name);

        explicit BackendRendererOpenGL3(ContextLoadFuncType contextLoadFunction);

        explicit BackendRendererOpenGL3(SDLContextLoadFuncType contextLoadFunction);

        [[nodiscard]] std::shared_ptr<BackendTexture> createTexture() override;

        [[nodiscard]] unsigned int getMaximumTextureSize() override;
 
    private:
        int m_maxTextureSize = 0;
    };
} // namespace tgui
 
#endif // TGUI_BACKEND_RENDERER_OPENGL3_HPP