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added opengl for linux

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Orange
2026-05-06 22:00:23 +03:00
parent 6ced4acdb6
commit fa52c9e985
3 changed files with 130 additions and 40 deletions
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3
CMakeLists.txt
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@@ -114,6 +114,9 @@ if (OMATH_ENABLE_HOOKING)
if (WIN32)
target_link_libraries(${PROJECT_NAME} PRIVATE d3d9 d3d11 d3d12 dxgi opengl32 gdi32)
elseif (UNIX AND NOT APPLE)
find_package(OpenGL REQUIRED)
target_link_libraries(${PROJECT_NAME} PRIVATE OpenGL::GL ${CMAKE_DL_LIBS})
endif ()
endif ()

46
include/omath/hooks/hooks_manager.hpp
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@@ -7,6 +7,7 @@
#include <optional>
#include <shared_mutex>
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
@@ -17,6 +18,12 @@
#include <d3d12.h>
#include <d3d9.h>
#include <dxgi.h>
#endif // _WIN32
#ifdef __linux__
#include <GL/glx.h>
#endif // __linux__
#include <safetyhook.hpp>
namespace omath::hooks
@@ -26,6 +33,7 @@ namespace omath::hooks
HooksManager() = default;
public:
#ifdef _WIN32
// IDXGISwapChain callbacks — shared between DX11 and DX12 (same interface, same signature).
using present_callback = std::function<void(IDXGISwapChain*, UINT, UINT)>;
using resize_buffers_callback = std::function<void(IDXGISwapChain*, UINT, UINT, UINT, DXGI_FORMAT, UINT)>;
@@ -38,11 +46,17 @@ namespace omath::hooks
using dx9_reset_callback = std::function<void(IDirect3DDevice9*, D3DPRESENT_PARAMETERS*)>;
using dx9_end_scene_callback = std::function<void(IDirect3DDevice9*)>;
// OpenGL callbacks. Fires before the hooked buffer swap function calls the original.
// OpenGL callback — Windows. Fires before the hooked buffer swap function calls the original.
using opengl_swap_buffers_callback = std::function<void(HDC)>;
// Return nullopt to pass the message to the original WndProc; return a value to intercept it.
using wnd_proc_callback = std::function<std::optional<LRESULT>(HWND, UINT, WPARAM, LPARAM)>;
#endif // _WIN32
#ifdef __linux__
// OpenGL/GLX callback — Linux. Fires before glXSwapBuffers calls the original.
using opengl_swap_buffers_callback = std::function<void(Display*, GLXDrawable)>;
#endif // __linux__
template<typename Callback>
using callback_ptr = std::shared_ptr<const Callback>;
@@ -52,6 +66,7 @@ namespace omath::hooks
HooksManager& operator=(const HooksManager&) = delete;
~HooksManager();
#ifdef _WIN32
[[nodiscard]] bool hook_dx9();
void unhook_dx9();
void set_on_dx9_present(dx9_present_callback callback);
@@ -63,11 +78,13 @@ namespace omath::hooks
[[nodiscard]] bool hook_dx12();
void unhook_dx12();
#endif // _WIN32
[[nodiscard]] bool hook_opengl();
void unhook_opengl();
void set_on_opengl_swap_buffers(opengl_swap_buffers_callback callback);
#ifdef _WIN32
// Present and ResizeBuffers callbacks fire for whichever of DX11/DX12 is hooked.
void set_on_present(present_callback callback);
void set_on_resize_buffers(resize_buffers_callback callback);
@@ -76,8 +93,10 @@ namespace omath::hooks
[[nodiscard]] bool hook_wnd_proc(HWND hwnd);
void unhook_wnd_proc();
void set_on_wnd_proc(wnd_proc_callback callback);
#endif // _WIN32
private:
#ifdef _WIN32
[[nodiscard]]
static HRESULT __stdcall dx9_present_detour(IDirect3DDevice9* p_device, const RECT* p_source_rect,
const RECT* p_dest_rect, HWND h_dest_window_override,
@@ -109,9 +128,15 @@ namespace omath::hooks
[[nodiscard]]
static LRESULT __stdcall wnd_proc_detour(HWND hwnd, UINT msg, WPARAM w_param, LPARAM l_param);
#endif // _WIN32
#ifdef __linux__
static void opengl_glx_swap_buffers_detour(Display* display, GLXDrawable drawable);
#endif // __linux__
mutable std::shared_mutex m_hook_state_mutex;
#ifdef _WIN32
mutable std::shared_mutex m_dx9_present_mutex;
mutable std::shared_mutex m_dx9_reset_mutex;
mutable std::shared_mutex m_dx9_end_scene_mutex;
@@ -120,13 +145,15 @@ namespace omath::hooks
mutable std::shared_mutex m_resize_buffers_mutex;
mutable std::shared_mutex m_execute_command_lists_mutex;
mutable std::shared_mutex m_opengl_swap_buffers_mutex;
mutable std::shared_mutex m_wnd_proc_mutex;
#endif // _WIN32
mutable std::shared_mutex m_opengl_swap_buffers_mutex;
#ifdef _WIN32
bool m_is_dx9_hooked = false;
bool m_is_dx11_hooked = false;
bool m_is_dx12_hooked = false;
bool m_is_opengl_hooked = false;
bool m_is_wnd_proc_hooked = false;
HWND m_hooked_hwnd = nullptr;
@@ -145,7 +172,15 @@ namespace omath::hooks
safetyhook::InlineHook m_opengl_wgl_swap_buffers_hook;
safetyhook::InlineHook m_opengl_swap_buffers_hook;
#endif // _WIN32
#ifdef __linux__
safetyhook::InlineHook m_opengl_glx_swap_buffers_hook;
#endif // __linux__
bool m_is_opengl_hooked = false;
#ifdef _WIN32
callback_ptr<dx9_present_callback> m_dx9_present_cb;
callback_ptr<dx9_reset_callback> m_dx9_reset_cb;
callback_ptr<dx9_end_scene_callback> m_dx9_end_scene_cb;
@@ -153,8 +188,11 @@ namespace omath::hooks
callback_ptr<present_callback> m_present_cb;
callback_ptr<resize_buffers_callback> m_resize_buffers_cb;
callback_ptr<execute_command_lists_callback> m_execute_command_lists_cb;
callback_ptr<opengl_swap_buffers_callback> m_opengl_swap_buffers_cb;
callback_ptr<wnd_proc_callback> m_wnd_proc_cb;
#endif // _WIN32
callback_ptr<opengl_swap_buffers_callback> m_opengl_swap_buffers_cb;
};
} // namespace omath::hooks

81
source/hooks/hooks_manager.cpp
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@@ -1,10 +1,18 @@
#include "omath/hooks/hooks_manager.hpp"
#ifdef OMATH_ENABLE_HOOKING
#ifdef _WIN32
#include <d3d11.h>
#endif // _WIN32
#ifdef __linux__
#include <dlfcn.h>
#endif // __linux__
namespace
{
#ifdef _WIN32
thread_local bool g_is_inside_opengl_swap_buffers = false;
class DummyWindow final
@@ -164,6 +172,7 @@ namespace
vtable_fn(objs.command_queue, 10), // ID3D12CommandQueue::ExecuteCommandLists
};
}
#endif // _WIN32
} // namespace
namespace omath::hooks
@@ -176,13 +185,16 @@ namespace omath::hooks
HooksManager::~HooksManager()
{
#ifdef _WIN32
unhook_wnd_proc();
unhook_dx9();
unhook_dx11();
unhook_dx12();
#endif // _WIN32
unhook_opengl();
}
#ifdef _WIN32
bool HooksManager::hook_dx9()
{
std::unique_lock lock(m_hook_state_mutex);
@@ -430,13 +442,6 @@ namespace omath::hooks
m_is_opengl_hooked = false;
}
void HooksManager::set_on_opengl_swap_buffers(opengl_swap_buffers_callback callback)
{
std::unique_lock lock(m_opengl_swap_buffers_mutex);
m_opengl_swap_buffers_cb =
callback ? std::make_shared<opengl_swap_buffers_callback>(std::move(callback)) : nullptr;
}
void HooksManager::set_on_present(present_callback callback)
{
std::unique_lock lock(m_present_mutex);
@@ -616,7 +621,7 @@ namespace omath::hooks
auto& mgr = get();
if (!g_is_inside_opengl_swap_buffers)
{
return mgr.m_opengl_wgl_swap_buffers_hook.call<BOOL>(hdc);
g_is_inside_opengl_swap_buffers = true;
callback_ptr<opengl_swap_buffers_callback> cb;
@@ -632,15 +637,12 @@ namespace omath::hooks
return result;
}
return mgr.m_opengl_wgl_swap_buffers_hook.call<BOOL>(hdc);
}
BOOL __stdcall HooksManager::opengl_swap_buffers_detour(HDC hdc)
{
auto& mgr = get();
if (!g_is_inside_opengl_swap_buffers)
{
if (g_is_inside_opengl_swap_buffers)
return mgr.m_opengl_swap_buffers_hook.call<BOOL>(hdc);
g_is_inside_opengl_swap_buffers = true;
callback_ptr<opengl_swap_buffers_callback> cb;
@@ -656,9 +658,6 @@ namespace omath::hooks
return result;
}
return mgr.m_opengl_swap_buffers_hook.call<BOOL>(hdc);
}
LRESULT __stdcall HooksManager::wnd_proc_detour(HWND hwnd, UINT msg, WPARAM w_param, LPARAM l_param)
{
auto& mgr = get();
@@ -676,6 +675,56 @@ namespace omath::hooks
}
return CallWindowProc(original, hwnd, msg, w_param, l_param);
}
#endif // _WIN32
#ifdef __linux__
bool HooksManager::hook_opengl()
{
std::unique_lock lock(m_hook_state_mutex);
if (m_is_opengl_hooked)
return true;
void* glx_swap_buffers = dlsym(RTLD_DEFAULT, "glXSwapBuffers");
if (!glx_swap_buffers)
return false;
m_opengl_glx_swap_buffers_hook = safetyhook::create_inline(
glx_swap_buffers, reinterpret_cast<void*>(&opengl_glx_swap_buffers_detour));
if (!m_opengl_glx_swap_buffers_hook)
return false;
m_is_opengl_hooked = true;
return true;
}
void HooksManager::unhook_opengl()
{
std::unique_lock lock(m_hook_state_mutex);
m_opengl_glx_swap_buffers_hook = {};
m_is_opengl_hooked = false;
}
void HooksManager::opengl_glx_swap_buffers_detour(Display* display, GLXDrawable drawable)
{
auto& mgr = get();
callback_ptr<opengl_swap_buffers_callback> cb;
{
std::shared_lock lock(mgr.m_opengl_swap_buffers_mutex);
cb = mgr.m_opengl_swap_buffers_cb;
}
if (cb)
(*cb)(display, drawable);
mgr.m_opengl_glx_swap_buffers_hook.call<void>(display, drawable);
}
#endif // __linux__
void HooksManager::set_on_opengl_swap_buffers(opengl_swap_buffers_callback callback)
{
std::unique_lock lock(m_opengl_swap_buffers_mutex);
m_opengl_swap_buffers_cb =
callback ? std::make_shared<opengl_swap_buffers_callback>(std::move(callback)) : nullptr;
}
} // namespace omath::hooks
#else // !OMATH_ENABLE_HOOKING