raze/source/common/platform/win32/hardware.cpp
2023-04-30 10:57:28 -04:00

117 lines
3.6 KiB
C++

/*
** hardware.cpp
** Somewhat OS-independant interface to the screen, mouse, keyboard, and stick
**
**---------------------------------------------------------------------------
** Copyright 1998-2006 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <mmsystem.h>
#include "hardware.h"
#include "c_dispatch.h"
#include "v_text.h"
#include "basics.h"
#include "m_argv.h"
#include "version.h"
#include "printf.h"
#include "win32glvideo.h"
#ifdef HAVE_VULKAN
#include "win32vulkanvideo.h"
#endif
#include "engineerrors.h"
#include "i_system.h"
#include "i_mainwindow.h"
IVideo *Video;
// do not include GL headers here, only declare the necessary functions.
IVideo *gl_CreateVideo();
void I_RestartRenderer();
int currentcanvas = -1;
bool changerenderer;
void I_ShutdownGraphics ()
{
if (screen)
{
DFrameBuffer *s = screen;
screen = NULL;
delete s;
}
if (Video)
delete Video, Video = NULL;
}
void I_InitGraphics ()
{
// If the focus window is destroyed, it doesn't go back to the active window.
// (e.g. because the net pane was up, and a button on it had focus)
if (GetFocus() == NULL && GetActiveWindow() == mainwindow.GetHandle())
{
// Make sure it's in the foreground and focused. (It probably is
// already foregrounded but may not be focused.)
SetForegroundWindow(mainwindow.GetHandle());
SetFocus(mainwindow.GetHandle());
// Note that when I start a 2-player game on the same machine, the
// window for the game that isn't focused, active, or foregrounded
// still receives a WM_ACTIVATEAPP message telling it that it's the
// active window. The window that is really the active window does
// not receive a WM_ACTIVATEAPP message, so both games think they
// are the active app. Huh?
}
#ifdef HAVE_VULKAN
if (V_GetBackend() == 1)
{
// first try Vulkan, if that fails OpenGL
try
{
Video = new Win32VulkanVideo();
}
catch (CVulkanError &error)
{
Printf(TEXTCOLOR_RED "Initialization of Vulkan failed: %s\n", error.what());
Video = new Win32GLVideo();
}
}
else
#endif
{
Video = new Win32GLVideo();
}
// we somehow STILL don't have a display!!
if (Video == NULL)
I_FatalError ("Failed to initialize display");
}