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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup GHOST
*/
/**
* Copyright (C) 2001 NaN Technologies B.V.
*/
#include "GHOST_ISystem.h"
#if defined(WITH_HEADLESS)
# include "GHOST_SystemNULL.h"
#elif defined(WITH_GHOST_X11) && defined(WITH_GHOST_WAYLAND)
# include "GHOST_SystemWayland.h"
# include "GHOST_SystemX11.h"
# include <stdexcept>
#elif defined(WITH_GHOST_X11)
# include "GHOST_SystemX11.h"
#elif defined(WITH_GHOST_WAYLAND)
# include "GHOST_SystemWayland.h"
#elif defined(WITH_GHOST_SDL)
# include "GHOST_SystemSDL.h"
#elif defined(WIN32)
# include "GHOST_SystemWin32.h"
#elif defined(__APPLE__)
# include "GHOST_SystemCocoa.h"
#endif
GHOST_ISystem *GHOST_ISystem::m_system = nullptr;
GHOST_TBacktraceFn GHOST_ISystem::m_backtrace_fn = nullptr;
GHOST_TSuccess GHOST_ISystem::createSystem()
{
GHOST_TSuccess success;
if (!m_system) {
#if defined(WITH_HEADLESS)
/* Pass. */
#elif defined(WITH_GHOST_WAYLAND)
# if defined(WITH_GHOST_WAYLAND_DYNLOAD)
const bool has_wayland_libraries = ghost_wl_dynload_libraries();
# else
const bool has_wayland_libraries = true;
# endif
#endif
#if defined(WITH_HEADLESS)
m_system = new GHOST_SystemNULL();
#elif defined(WITH_GHOST_X11) && defined(WITH_GHOST_WAYLAND)
/* Special case, try Wayland, fall back to X11. */
try {
m_system = has_wayland_libraries ? new GHOST_SystemWayland() : nullptr;
}
catch (const std::runtime_error &) {
/* fallback to X11. */
delete m_system;
m_system = nullptr;
}
if (!m_system) {
m_system = new GHOST_SystemX11();
}
#elif defined(WITH_GHOST_X11)
m_system = new GHOST_SystemX11();
#elif defined(WITH_GHOST_WAYLAND)
m_system = has_wayland_libraries ? new GHOST_SystemWayland() : nullptr;
#elif defined(WITH_GHOST_SDL)
m_system = new GHOST_SystemSDL();
#elif defined(WIN32)
m_system = new GHOST_SystemWin32();
#elif defined(__APPLE__)
m_system = new GHOST_SystemCocoa();
#endif
success = m_system != nullptr ? GHOST_kSuccess : GHOST_kFailure;
}
else {
success = GHOST_kFailure;
}
if (success) {
success = m_system->init();
}
return success;
}
GHOST_TSuccess GHOST_ISystem::disposeSystem()
{
GHOST_TSuccess success = GHOST_kSuccess;
if (m_system) {
delete m_system;
m_system = nullptr;
}
else {
success = GHOST_kFailure;
}
return success;
}
GHOST_ISystem *GHOST_ISystem::getSystem()
{
return m_system;
}
GHOST_TBacktraceFn GHOST_ISystem::getBacktraceFn()
{
return GHOST_ISystem::m_backtrace_fn;
}
void GHOST_ISystem::setBacktraceFn(GHOST_TBacktraceFn backtrace_fn)
{
GHOST_ISystem::m_backtrace_fn = backtrace_fn;
}
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