gbe_fork/overlay_experimental/windows/Vulkan_Hook.cpp

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/*
* Copyright (C) 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/>.
*/
#include "Vulkan_Hook.h"
#include "Windows_Hook.h"
#include <imgui.h>
#include <backends/imgui_impl_vulkan.h>
Vulkan_Hook* Vulkan_Hook::_inst = nullptr;
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bool Vulkan_Hook::StartHook(std::function<bool(bool)> key_combination_callback, std::set<ingame_overlay::ToggleKey> toggle_keys)
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{
SPDLOG_WARN("Vulkan overlay is not yet supported.");
return false;
if (!_Hooked)
{
if (vkQueuePresentKHR == nullptr)
{
SPDLOG_WARN("Failed to hook Vulkan: Rendering functions missing.");
return false;
}
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if (!Windows_Hook::Inst()->StartHook(key_combination_callback, toggle_keys))
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return false;
_WindowsHooked = true;
SPDLOG_INFO("Hooked Vulkan");
_Hooked = true;
BeginHook();
HookFuncs(
std::make_pair<void**, void*>(&(PVOID&)vkQueuePresentKHR, &Vulkan_Hook::MyvkQueuePresentKHR)
);
EndHook();
}
return true;
}
bool Vulkan_Hook::IsStarted()
{
return _Hooked;
}
void Vulkan_Hook::_ResetRenderState()
{
}
// Try to make this function and overlay's proc as short as possible or it might affect game's fps.
void Vulkan_Hook::_PrepareForOverlay()
{
}
VKAPI_ATTR VkResult VKAPI_CALL Vulkan_Hook::MyvkQueuePresentKHR(VkQueue queue, const VkPresentInfoKHR* pPresentInfo)
{
auto inst = Vulkan_Hook::Inst();
inst->_PrepareForOverlay();
return inst->vkQueuePresentKHR(queue, pPresentInfo);
}
Vulkan_Hook::Vulkan_Hook():
_Hooked(false),
_WindowsHooked(false),
_Initialized(false),
vkQueuePresentKHR(nullptr)
{
}
Vulkan_Hook::~Vulkan_Hook()
{
SPDLOG_INFO("Vulkan_Hook Hook removed");
if (_WindowsHooked)
delete Windows_Hook::Inst();
if (_Initialized)
{
}
_inst = nullptr;
}
Vulkan_Hook* Vulkan_Hook::Inst()
{
if (_inst == nullptr)
_inst = new Vulkan_Hook;
return _inst;
}
std::string Vulkan_Hook::GetLibraryName() const
{
return LibraryName;
}
void Vulkan_Hook::LoadFunctions(decltype(::vkQueuePresentKHR)* _vkQueuePresentKHR)
{
vkQueuePresentKHR = _vkQueuePresentKHR;
}
std::weak_ptr<uint64_t> Vulkan_Hook::CreateImageResource(const void* image_data, uint32_t width, uint32_t height)
{
return std::shared_ptr<uint64_t>(nullptr);
}
void Vulkan_Hook::ReleaseImageResource(std::weak_ptr<uint64_t> resource)
{
}