C++ (Cpp) FillStaticVidModes Examples

Example #1

File: glimp.cpp Project: kortemik/dhewm_hack

/*
====================
R_GetModeListForDisplay
====================
*/
bool R_GetModeListForDisplay( const int requestedDisplayNum, idList<vidMode_t>& modeList ) {
	assert( requestedDisplayNum >= 0 );
	
	modeList.Clear();

	if( requestedDisplayNum >= SDL_GetNumVideoDisplays() ) {
		// requested invalid displaynum
		return false;
	}
	
	int numModes = SDL_GetNumDisplayModes( requestedDisplayNum );
	if( numModes > 0 ) {
		for( int i = 0; i < numModes; i++ ) {
			SDL_DisplayMode m;
			int ret = SDL_GetDisplayMode( requestedDisplayNum, i, &m );
			if( ret != 0 ) {
				common->Warning( "Can't get video mode no %i, because of %s\n", i, SDL_GetError() );
				continue;
			}
			
			vidMode_t mode;
			mode.width = m.w;
			mode.height = m.h;
			mode.displayHz = m.refresh_rate ? m.refresh_rate : 60; // default to 60 if unknown (0)
			modeList.AddUnique( mode );
		}
		
		if( modeList.Num() < 1 ) {
			common->Warning( "Couldn't get a single video mode for display %i, using default ones..!\n", requestedDisplayNum );
			FillStaticVidModes( modeList );
		}
		
		// sort with lowest resolution first
		modeList.SortWithTemplate( idSort_VidMode() );
	} else {
		common->Warning( "Can't get Video Info, using default modes...\n" );
		if( numModes < 0 ) {
			common->Warning( "Reason was: %s\n", SDL_GetError() );
		}
		FillStaticVidModes( modeList );
	}
	
	return true;
}

Example #2

File: sdl_glimp.cpp Project: OpenTechEngine/OpenTechBFG

/*
====================
R_GetModeListForDisplay
====================
*/
bool R_GetModeListForDisplay( const int requestedDisplayNum, idList<vidMode_t>& modeList )
{
	assert( requestedDisplayNum >= 0 );
	
	modeList.Clear();
#if SDL_VERSION_ATLEAST(2, 0, 0)
	// DG: SDL2 implementation
	if( requestedDisplayNum >= SDL_GetNumVideoDisplays() )
	{
		// requested invalid displaynum
		return false;
	}
	
	int numModes = SDL_GetNumDisplayModes( requestedDisplayNum );
	if( numModes > 0 )
	{
		for( int i = 0; i < numModes; i++ )
		{
			SDL_DisplayMode m;
			int ret = SDL_GetDisplayMode( requestedDisplayNum, i, &m );
			if( ret != 0 )
			{
				common->Warning( "Can't get video mode no %i, because of %s\n", i, SDL_GetError() );
				continue;
			}
			
			vidMode_t mode;
			mode.width = m.w;
			mode.height = m.h;
			mode.displayHz = m.refresh_rate ? m.refresh_rate : 60; // default to 60 if unknown (0)
			modeList.AddUnique( mode );
		}
		
		if( modeList.Num() < 1 )
		{
			common->Warning( "Couldn't get a single video mode for display %i, using default ones..!\n", requestedDisplayNum );
			FillStaticVidModes( modeList );
		}
		
		// sort with lowest resolution first
		modeList.SortWithTemplate( idSort_VidMode() );
	}
	else
	{
		common->Warning( "Can't get Video Info, using default modes...\n" );
		if( numModes < 0 )
		{
			common->Warning( "Reason was: %s\n", SDL_GetError() );
		}
		FillStaticVidModes( modeList );
	}
	
	return true;
	// DG end
	
#else // SDL 1
	
	// DG: SDL1 only knows of one display - some functions rely on
	// R_GetModeListForDisplay() returning false for invalid displaynum to iterate all displays
	if( requestedDisplayNum >= 1 )
	{
		return false;
	}
	// DG end
	
	const SDL_VideoInfo* videoInfo = SDL_GetVideoInfo();
	if( videoInfo == NULL )
	{
		// DG: yes, this can actually fail, e.g. if SDL_Init( SDL_INIT_VIDEO ) wasn't called
		common->Warning( "Can't get Video Info, using default modes...\n" );
		FillStaticVidModes( modeList );
		return true;
	}
	
	SDL_Rect** modes = SDL_ListModes( videoInfo->vfmt, SDL_OPENGL | SDL_FULLSCREEN );
	
	if( !modes )
	{
		common->Warning( "Can't get list of available modes, using default ones...\n" );
		FillStaticVidModes( modeList );
		return true;
	}
	
	if( modes == ( SDL_Rect** ) - 1 )
	{
		common->Printf( "Display supports any resolution\n" );
		FillStaticVidModes( modeList );
		return true;
	}
	
	int numModes;
	for( numModes = 0; modes[numModes]; numModes++ );
	
	if( numModes > 1 )
	{
		for( int i = 0; i < numModes; i++ )
		{
			vidMode_t mode;
			mode.width =  modes[i]->w;
			mode.height =  modes[i]->h;
			mode.displayHz = 60; // FIXME;
			modeList.AddUnique( mode );
		}
	
		// sort with lowest resolution first
		modeList.SortWithTemplate( idSort_VidMode() );
	
		return true;
	}
	
	return false;
#endif
}