internal unsafe DisplayMode(SDL_DisplayMode mode)
: this((PixelDataFormat)mode.format,
mode.w,
mode.h,
mode.refresh_rate,
(IntPtr)mode.driverdata)
{
}
/// <summary>
/// Creates an Ultraviolet DisplayMode object from the specified SDL2 display mode.
/// </summary>
private DisplayMode CreateDisplayModeFromSDL(SDL_DisplayMode mode)
{
Int32 bpp;
UInt32 Rmask, Gmask, Bmask, Amask;
SDL.PixelFormatEnumToMasks((uint)mode.format, &bpp, &Rmask, &Gmask, &Bmask, &Amask);
return(new DisplayMode(mode.w, mode.h, bpp, mode.refresh_rate, Index));
}
internal static DisplayMode GetDesktop(int displayIndex)
{
var modeData = new SDL_DisplayMode();
Try(() =>
SDL_GetDesktopDisplayMode(displayIndex, ref modeData),
"SDL_GetDesktopDisplayMode");
var result = new DisplayMode()
{
_mode = modeData,
displayIndex = displayIndex,
};
result.modeIndex = DisplayMode
.GetAvailable(displayIndex)
.IndexOf(result);
return(result);
}
internal static List <DisplayMode> GetAvailable(int displayIndex)
{
var result = new List <DisplayMode>();
var numModes = TryGet(() =>
SDL_GetNumDisplayModes(displayIndex),
"SDL_GetNumDisplayModes");
for (var modeIndex = 0; modeIndex < numModes; modeIndex++)
{
var modeData = new SDL_DisplayMode();
SDL_GetDisplayMode(displayIndex, modeIndex, ref modeData);
result.Add(new DisplayMode()
{
_mode = modeData,
displayIndex = displayIndex,
modeIndex = modeIndex
});
}
return(result);
}
static void Main(string[] args)
{
var width = 640;
var height = 480;
if (SDL_Init(SDL_INIT_VIDEO) != 0)
{
throw new Exception($"Could not init SDL: {SDL_GetError()}");
}
var result = SDL_CreateWindowAndRenderer(width, height,
(uint)(SDL_WindowFlags.SDL_WINDOW_SHOWN |
SDL_WindowFlags.SDL_WINDOW_OPENGL),
out IntPtr window,
out IntPtr renderer);
if (result != 0)
{
throw new Exception($"Could not initialize window: {SDL_GetError()}");
}
SDL_GetVersion(out SDL_Version version);
WriteLine($"Using SDL {version.major}.{version.minor}.{version.patch}");
var displayCount = SDL_GetNumVideoDisplays();
for (int display = 0; display < displayCount; display++)
{
var numModes = SDL_GetNumDisplayModes(display);
WriteLine($"Display {display} - {numModes} modes:");
for (int mode = 0; mode < numModes; mode++)
{
var modeInfo = new SDL_DisplayMode();
if (SDL_GetDisplayMode(display, mode, ref modeInfo) != 0)
{
throw new Exception($"Could not get display mode info: {SDL_GetError()}");
}
WriteLine("\t" + modeInfo);
}
}
SDL_Quit();
}
public static void SDL_GetCurrentDisplayMode(int i, out SDL_DisplayMode sdlDisplayMode)
{
sdlDisplayMode = new SDL_DisplayMode();
}
public static int SDL_GetWindowDisplayMode(IntPtr window, ref SDL_DisplayMode mode) => s_SDL_GetWindowDisplayMode_IntPtr_SDL_DisplayMode_t(window, ref mode);
public static int SDL_GetCurrentDisplayMode(int displayIndex, ref SDL_DisplayMode mode) => s_SDL_GetCurrentDisplayMode_int_SDL_DisplayMode_t(displayIndex, ref mode);
public static IntPtr SDL_GetClosestDisplayMode(int displayIndex, ref SDL_DisplayMode mode, ref SDL_DisplayMode closest) => s_SDL_GetClosestDisplayMode_int_SDL_DisplayMode_SDL_DisplayMode_t(displayIndex, ref mode, ref closest);
public static int SDL_GetDesktopDisplayMode(int displayIndex, ref SDL_DisplayMode mode) => s_SDL_GetDesktopDisplayMode_int_SDL_DisplayMode_t(displayIndex, ref mode);
public static int SDL_GetDisplayMode(int displayIndex, int modeIndex, ref SDL_DisplayMode mode) => s_SDL_GetDisplayMode_int_int_SDL_DisplayMode_t(displayIndex, modeIndex, ref mode);
public static extern int SDL_SetWindowDisplayMode( IntPtr window, ref SDL_DisplayMode mode );
public static extern int SDL_GetDisplayMode( int displayIndex, int modeIndex, ref SDL_DisplayMode mode );
public static extern IntPtr SDL_GetClosestDisplayMode( int displayIndex, ref SDL_DisplayMode mode, ref SDL_DisplayMode closest );
