goldberg_emulator/overlay_experimental/linux/OpenGLX_Hook.h
2022-08-13 14:32:43 -04:00

70 lines
2.1 KiB
C++

/*
* Copyright (C) 2019-2020 Nemirtingas
* This file is part of the ingame overlay project
*
* The ingame overlay project is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* The ingame overlay project is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the ingame overlay project; if not, see
* <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <ingame_overlay/Renderer_Hook.h>
#include "../internal_includes.h"
#include <GL/glx.h>
class OpenGLX_Hook :
public ingame_overlay::Renderer_Hook,
public Base_Hook
{
public:
static constexpr const char *DLL_NAME = "libGLX.so";
private:
static OpenGLX_Hook* _inst;
// Variables
bool _Hooked;
bool _X11Hooked;
bool _Initialized;
Display *_Display;
GLXContext _Context;
std::set<std::shared_ptr<uint64_t>> _ImageResources;
// Functions
OpenGLX_Hook();
void _ResetRenderState();
void _PrepareForOverlay(Display* display, GLXDrawable drawable);
// Hook to render functions
decltype(::glXSwapBuffers)* glXSwapBuffers;
public:
std::string LibraryName;
static void MyglXSwapBuffers(Display* display, GLXDrawable drawable);
virtual ~OpenGLX_Hook();
virtual bool StartHook(std::function<bool(bool)> key_combination_callback, std::set<ingame_overlay::ToggleKey> toggle_keys);
virtual bool IsStarted();
static OpenGLX_Hook* Inst();
virtual std::string GetLibraryName() const;
void LoadFunctions(decltype(::glXSwapBuffers)* pfnglXSwapBuffers);
virtual std::weak_ptr<uint64_t> CreateImageResource(const void* image_data, uint32_t width, uint32_t height);
virtual void ReleaseImageResource(std::weak_ptr<uint64_t> resource);
};