Differential D1931 Diff 9607 source/ps/VideoMode.cpp

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source/ps/VideoMode.cpp

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	static int DEFAULT_FULLSCREEN_W = 1024;			static int DEFAULT_FULLSCREEN_W = 1024;
	static int DEFAULT_FULLSCREEN_H = 768;			static int DEFAULT_FULLSCREEN_H = 768;

	CVideoMode g_VideoMode;			CVideoMode g_VideoMode;

	CVideoMode::CVideoMode() :			CVideoMode::CVideoMode() :
	m_IsFullscreen(false), m_IsInitialised(false), m_Window(NULL),			m_IsFullscreen(false), m_IsInitialised(false), m_Window(NULL),
	m_PreferredW(0), m_PreferredH(0), m_PreferredBPP(0), m_PreferredFreq(0),			m_PreferredW(0), m_PreferredH(0), m_PreferredBPP(0), m_PreferredFreq(0),
	m_ConfigW(0), m_ConfigH(0), m_ConfigBPP(0), m_ConfigFullscreen(false), m_ConfigForceS3TCEnable(true),			m_ConfigW(0), m_ConfigH(0), m_ConfigBPP(0), m_ConfigFullscreen(false),
	m_WindowedW(DEFAULT_WINDOW_W), m_WindowedH(DEFAULT_WINDOW_H), m_WindowedX(0), m_WindowedY(0)			m_WindowedW(DEFAULT_WINDOW_W), m_WindowedH(DEFAULT_WINDOW_H), m_WindowedX(0), m_WindowedY(0)
	{			{
	// (m_ConfigFullscreen defaults to false, so users don't get stuck if			// (m_ConfigFullscreen defaults to false, so users don't get stuck if
	// e.g. half the filesystem is missing and the config files aren't loaded)			// e.g. half the filesystem is missing and the config files aren't loaded)
	}			}

	void CVideoMode::ReadConfig()			void CVideoMode::ReadConfig()
	{			{
	bool windowed = !m_ConfigFullscreen;			bool windowed = !m_ConfigFullscreen;
	CFG_GET_VAL("windowed", windowed);			CFG_GET_VAL("windowed", windowed);
	m_ConfigFullscreen = !windowed;			m_ConfigFullscreen = !windowed;

	CFG_GET_VAL("xres", m_ConfigW);			CFG_GET_VAL("xres", m_ConfigW);
	CFG_GET_VAL("yres", m_ConfigH);			CFG_GET_VAL("yres", m_ConfigH);
	CFG_GET_VAL("bpp", m_ConfigBPP);			CFG_GET_VAL("bpp", m_ConfigBPP);
	CFG_GET_VAL("display", m_ConfigDisplay);			CFG_GET_VAL("display", m_ConfigDisplay);
	CFG_GET_VAL("force_s3tc_enable", m_ConfigForceS3TCEnable);
	}			}

	bool CVideoMode::SetVideoMode(int w, int h, int bpp, bool fullscreen)			bool CVideoMode::SetVideoMode(int w, int h, int bpp, bool fullscreen)
	{			{
	Uint32 flags = 0;			Uint32 flags = 0;
	if (fullscreen)			if (fullscreen)
	flags \|= SDL_WINDOW_FULLSCREEN_DESKTOP;			flags \|= SDL_WINDOW_FULLSCREEN_DESKTOP;

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	}			}

	bool CVideoMode::InitSDL()			bool CVideoMode::InitSDL()
	{			{
	ENSURE(!m_IsInitialised);			ENSURE(!m_IsInitialised);

	ReadConfig();			ReadConfig();

	EnableS3TC();

	// preferred video mode = current desktop settings			// preferred video mode = current desktop settings
	// (command line params may override these)			// (command line params may override these)
	gfx::GetVideoMode(&m_PreferredW, &m_PreferredH, &m_PreferredBPP, &m_PreferredFreq);			gfx::GetVideoMode(&m_PreferredW, &m_PreferredH, &m_PreferredBPP, &m_PreferredFreq);

	int w = m_ConfigW;			int w = m_ConfigW;
	int h = m_ConfigH;			int h = m_ConfigH;

	if (m_ConfigFullscreen)			if (m_ConfigFullscreen)
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	}			}

	bool CVideoMode::InitNonSDL()			bool CVideoMode::InitNonSDL()
	{			{
	ENSURE(!m_IsInitialised);			ENSURE(!m_IsInitialised);

	ReadConfig();			ReadConfig();

	EnableS3TC();

	m_IsInitialised = true;			m_IsInitialised = true;

	return true;			return true;
	}			}

	void CVideoMode::Shutdown()			void CVideoMode::Shutdown()
	{			{
	ENSURE(m_IsInitialised);			ENSURE(m_IsInitialised);

	m_IsFullscreen = false;			m_IsFullscreen = false;
	m_IsInitialised = false;			m_IsInitialised = false;
	if (m_Window)			if (m_Window)
	{			{
	SDL_DestroyWindow(m_Window);			SDL_DestroyWindow(m_Window);
	m_Window = NULL;			m_Window = NULL;
	}			}
	}			}

	void CVideoMode::EnableS3TC()
	{
	// On Linux we have to try hard to get S3TC compressed texture support.
	// If the extension is already provided by default, that's fine.
	// Otherwise we should enable the 'force_s3tc_enable' environment variable
	// and (re)initialise the video system, so that Mesa provides the extension
	// (if the driver at least supports decompression).
	// (This overrides the force_s3tc_enable specified via driconf files.)
	// Otherwise we should complain to the user, and stop using compressed textures.
	//
	// Setting the environment variable causes Mesa to print an ugly message to stderr
	// ("ATTENTION: default value of option force_s3tc_enable overridden by environment."),
	// so it'd be nicer to skip that if S3TC will be supported by default,
	// but reinitialising video is a pain (and it might do weird things when fullscreen)
	// so we just unconditionally set it (unless our config file explicitly disables it).

	#if !(OS_WIN \|\| OS_MACOSX) // (assume Mesa is used for all non-Windows non-Mac platforms)
	if (m_ConfigForceS3TCEnable)
	setenv("force_s3tc_enable", "true", 0);
	#endif
	}

	bool CVideoMode::ResizeWindow(int w, int h)			bool CVideoMode::ResizeWindow(int w, int h)
	{			{
	ENSURE(m_IsInitialised);			ENSURE(m_IsInitialised);

	// Ignore if not windowed			// Ignore if not windowed
	if (m_IsFullscreen)			if (m_IsFullscreen)
	return true;			return true;

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