hardware.cpp

/*
** 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.
**---------------------------------------------------------------------------
**
*/

#include <SDL.h>
#include <signal.h>

#include "i_system.h"
#include "hardware.h"
#include "c_dispatch.h"
#include "v_text.h"
#include "doomstat.h"
#include "m_argv.h"
#include "doomerrors.h"
#include "swrenderer/r_swrenderer.h"
#include "atterm.h"

IVideo *Video;

void I_RestartRenderer();


void I_ShutdownGraphics ()
{
	if (screen)
	{
		DFrameBuffer *s = screen;
		screen = NULL;
		delete s;
	}
	if (Video)
		delete Video, Video = NULL;

	SDL_QuitSubSystem (SDL_INIT_VIDEO);
}

void I_InitGraphics ()
{
#ifdef __APPLE__
	SDL_SetHint(SDL_HINT_VIDEO_MAC_FULLSCREEN_SPACES, "0");
#endif // __APPLE__

	if (SDL_InitSubSystem (SDL_INIT_VIDEO) < 0)
	{
		I_FatalError ("Could not initialize SDL video:\n%s\n", SDL_GetError());
		return;
	}

	Printf("Using video driver %s\n", SDL_GetCurrentVideoDriver());

	extern IVideo *gl_CreateVideo();
	Video = gl_CreateVideo();
	
	if (Video == NULL)
		I_FatalError ("Failed to initialize display");

	atterm(I_ShutdownGraphics);
}