protected override void Initialize(GameContext <iOSWindow> gameContext)
{
gameForm = gameContext.Control.GameView;
nativeWindow = new WindowHandle(AppContextType.iOS, gameForm, gameForm.Handle);
gameForm.Load += gameForm_Load;
gameForm.Unload += gameForm_Unload;
gameForm.RenderFrame += gameForm_RenderFrame;
// get the OpenGL ES version
var contextAvailable = false;
foreach (var version in OpenGLUtils.GetGLVersions(gameContext.RequestedGraphicsProfile))
{
var contextRenderingApi = MajorVersionTOEAGLRenderingAPI(version);
EAGLContext contextTest = null;
try
{
contextTest = new EAGLContext(contextRenderingApi);
// delete extra context
if (contextTest != null)
{
contextTest.Dispose();
}
gameForm.ContextRenderingApi = contextRenderingApi;
contextAvailable = true;
break;
}
catch (Exception)
{
// TODO: log message
}
}
if (!contextAvailable)
{
throw new Exception("Graphics context could not be created.");
}
gameForm.LayerColorFormat = EAGLColorFormat.RGBA8;
//gameForm.LayerRetainsBacking = false;
currentOrientation = UIApplication.SharedApplication.StatusBarOrientation;
}
protected override void CreateFrameBuffer()
{
int requestedDepth = 0;
int requestedStencil = 0;
ColorFormat requestedColorFormat = 32;
switch (RequestedBackBufferFormat)
{
case PixelFormat.R8G8B8A8_UNorm:
case PixelFormat.B8G8R8A8_UNorm:
requestedColorFormat = 32;
break;
case PixelFormat.B8G8R8X8_UNorm:
requestedColorFormat = 24;
break;
case PixelFormat.B5G6R5_UNorm:
requestedColorFormat = new ColorFormat(5, 6, 5, 0);
break;
case PixelFormat.B5G5R5A1_UNorm:
requestedColorFormat = new ColorFormat(5, 5, 5, 1);
break;
default:
throw new NotSupportedException("RequestedBackBufferFormat");
}
switch (RequestedDepthStencilFormat)
{
case PixelFormat.None:
break;
case PixelFormat.D16_UNorm:
requestedDepth = 16;
break;
case PixelFormat.D24_UNorm_S8_UInt:
requestedDepth = 24;
requestedStencil = 8;
break;
case PixelFormat.D32_Float:
requestedDepth = 32;
break;
case PixelFormat.D32_Float_S8X24_UInt:
requestedDepth = 32;
requestedStencil = 8;
break;
default:
throw new NotSupportedException("RequestedDepthStencilFormat");
}
// Some devices only allow D16_S8, let's try it as well
// D24 and D32 are supported on OpenGL ES 3 devices
var requestedDepthFallback = requestedDepth > 16 ? 16 : requestedDepth;
foreach (var version in OpenGLUtils.GetGLVersions(RequestedGraphicsProfile))
{
if (TryCreateFrameBuffer(MajorVersionToGLVersion(version), requestedColorFormat, requestedDepth, requestedStencil) ||
TryCreateFrameBuffer(MajorVersionToGLVersion(version), requestedColorFormat, requestedDepthFallback, requestedStencil))
{
return;
}
}
throw new Exception("Unable to create a graphics context on the device. Maybe you should lower the preferred GraphicsProfile.");
}
internal override void Initialize(GameContext gameContext)
{
GameContext = gameContext;
gameForm = gameContext.GameView;
nativeWindow = new WindowHandle(AppContextType.iOS, gameForm);
gameForm.Load += gameForm_Load;
gameForm.Unload += gameForm_Unload;
gameForm.RenderFrame += gameForm_RenderFrame;
// get the OpenGL ES version
var contextAvailable = false;
foreach (var version in OpenGLUtils.GetGLVersions(gameContext.RequestedGraphicsProfile))
{
var contextRenderingApi = MajorVersionTOEAGLRenderingAPI(version);
EAGLContext contextTest = null;
try
{
contextTest = new EAGLContext(contextRenderingApi);
// delete extra context
if (contextTest != null)
{
contextTest.Dispose();
}
gameForm.ContextRenderingApi = contextRenderingApi;
contextAvailable = true;
}
catch (Exception)
{
// TODO: log message
}
}
if (!contextAvailable)
{
throw new Exception("Graphics context could not be created.");
}
gameForm.LayerColorFormat = MonoTouch.OpenGLES.EAGLColorFormat.RGBA8;
//gameForm.LayerRetainsBacking = false;
// Setup the initial size of the window
var width = gameContext.RequestedWidth;
if (width == 0)
{
width = (int)(gameForm.Size.Width * gameForm.ContentScaleFactor);
}
var height = gameContext.RequestedHeight;
if (height == 0)
{
height = (int)(gameForm.Size.Height * gameForm.ContentScaleFactor);
}
gameForm.Size = new Size(width, height);
//gameForm.Resize += OnClientSizeChanged;
}