/// <summary>
/// Initializes a new instance of the OpenGLUltravioletPlatform class.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <param name="configuration">The Ultraviolet Framework configuration settings for the current context.</param>
public OpenGLUltravioletPlatform(UltravioletContext uv, OpenGLUltravioletConfiguration configuration)
: base(uv)
{
this.clipboard = new OpenGLUltravioletClipboardInfo();
this.windows = new OpenGLUltravioletWindowInfo(uv, configuration);
this.displays = new OpenGLUltravioletDisplayInfo();
}
protected override UltravioletContext OnCreatingUltravioletContext()
{
var configuration = new OpenGLUltravioletConfiguration();
PresentationFoundation.Configure(configuration);
return new OpenGLUltravioletContext(this, configuration);
}
/// <summary>
/// Initializes a new instance of the OpenGLUltravioletPlatform class.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <param name="configuration">The Ultraviolet Framework configuration settings for the current context.</param>
public OpenGLUltravioletPlatform(UltravioletContext uv, OpenGLUltravioletConfiguration configuration)
: base(uv)
{
this.clipboard = new OpenGLUltravioletClipboardInfo();
this.windows = new OpenGLUltravioletWindowInfo(uv, configuration);
this.displays = new OpenGLUltravioletDisplayInfo();
}
/// <summary>
/// Attempts to initialize the OpenGL context with the specified configuration.
/// </summary>
private Boolean TryInitializeGLContext(IntPtr masterptr, OpenGLUltravioletConfiguration configuration)
{
if (configuration.Debug)
{
SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_FLAGS, (int)SDL_GLcontextFlag.DEBUG);
}
if ((this.context = SDL.GL_CreateContext(masterptr)) == IntPtr.Zero)
{
if (configuration.Debug)
{
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_FLAGS, 0) < 0)
{
throw new SDL2Exception();
}
if ((this.context = SDL.GL_CreateContext(masterptr)) != IntPtr.Zero)
{
return(true);
}
}
return(false);
}
return(true);
}
/// <summary>
/// Initializes the context's audio subsystem.
/// </summary>
/// <param name="configuration">The Ultraviolet Framework configuration settings for this context.</param>
/// <returns>The audio subsystem.</returns>
private IUltravioletAudio InitializeAudioSubsystem(OpenGLUltravioletConfiguration configuration)
{
if (String.IsNullOrEmpty(configuration.AudioSubsystemAssembly))
{
throw new InvalidOperationException(OpenGLStrings.InvalidAudioAssembly);
}
Assembly asm;
try
{
asm = Assembly.Load(configuration.AudioSubsystemAssembly);
InitializeFactoryMethodsInAssembly(asm);
}
catch (Exception e)
{
if (e is FileNotFoundException ||
e is FileLoadException ||
e is BadImageFormatException)
{
throw new InvalidOperationException(OpenGLStrings.InvalidAudioAssembly, e);
}
throw;
}
var types = (from t in asm.GetTypes()
where
t.IsClass && !t.IsAbstract &&
t.GetInterfaces().Contains(typeof(IUltravioletAudio))
select t).ToList();
if (!types.Any() || types.Count > 1)
{
throw new InvalidOperationException(OpenGLStrings.InvalidAudioAssembly);
}
var type = types.Single();
var ctorWithConfig = type.GetConstructor(new[] { typeof(UltravioletContext), typeof(UltravioletConfiguration) });
if (ctorWithConfig != null)
{
return((IUltravioletAudio)ctorWithConfig.Invoke(new object[] { this, configuration }));
}
var ctorWithoutConfig = type.GetConstructor(new[] { typeof(UltravioletContext) });
if (ctorWithoutConfig != null)
{
return((IUltravioletAudio)ctorWithoutConfig.Invoke(new object[] { this }));
}
throw new InvalidOperationException(OpenGLStrings.InvalidAudioAssembly);
}
/// <summary>
/// Called when the application is creating its Ultraviolet context.
/// </summary>
/// <returns>The Ultraviolet context.</returns>
protected override UltravioletContext OnCreatingUltravioletContext()
{
var configuration = new OpenGLUltravioletConfiguration();
PopulateConfiguration(configuration);
#if DEBUG
configuration.Debug = true;
configuration.DebugLevels = DebugLevels.Error | DebugLevels.Warning;
configuration.DebugCallback = (uv, level, message) =>
{
System.Diagnostics.Debug.WriteLine(message);
};
#endif
return new OpenGLUltravioletContext(this, configuration);
}
/// <inheritdoc/>
protected override UltravioletContext OnCreatingUltravioletContext()
{
var configuration = new OpenGLUltravioletConfiguration() { Headless = headless };
configuration.IsHardwareInputDisabled = true;
configuration.Debug = true;
configuration.DebugLevels = DebugLevels.Error | DebugLevels.Warning;
configuration.DebugCallback = (uv, level, message) =>
{
System.Diagnostics.Debug.WriteLine(message);
};
if (!String.IsNullOrEmpty(audioSubsystem))
configuration.AudioSubsystemAssembly = audioSubsystem;
if (configureUPF)
PresentationFoundation.Configure(configuration);
return new OpenGLUltravioletContext(this, configuration);
}
protected override UltravioletContext OnCreatingUltravioletContext()
{
var configuration = new OpenGLUltravioletConfiguration() { EnableServiceMode = true, LoadCompatibilityShim = false };
return new OpenGLUltravioletContext(this, configuration);
}
/// <summary>
/// Initializes a new instance of the OpenGLUltravioletContext class.
/// </summary>
/// <param name="host">The object that is hosting the Ultraviolet context.</param>
/// <param name="configuration">The Ultraviolet Framework configuration settings for this context.</param>
public OpenGLUltravioletContext(IUltravioletHost host, OpenGLUltravioletConfiguration configuration)
: base(host, configuration)
{
Contract.Require(configuration, nameof(configuration));
this.IsHardwareInputDisabled = configuration.IsHardwareInputDisabled;
var sdlFlags = configuration.EnableServiceMode ?
SDL_Init.TIMER | SDL_Init.EVENTS :
SDL_Init.TIMER | SDL_Init.VIDEO | SDL_Init.JOYSTICK | SDL_Init.GAMECONTROLLER | SDL_Init.EVENTS;
if (SDL.Init(sdlFlags) != 0)
{
throw new SDL2Exception();
}
var isGLES = (Platform == UltravioletPlatform.Android || Platform == UltravioletPlatform.iOS);
var versionRequired = isGLES ? new Version(2, 0) : new Version(3, 1);
var versionRequested = isGLES ? configuration.MinimumOpenGLESVersion : configuration.MinimumOpenGLVersion;
if (versionRequested == null || versionRequested < versionRequired)
{
if (isGLES)
{
versionRequested = Platform == UltravioletPlatform.Android ?
new Version(2, 0) : new Version(3, 0);
}
else
{
versionRequested = versionRequired;
}
}
if (!configuration.EnableServiceMode)
{
var profile = isGLES ? SDL_GLprofile.ES : SDL_GLprofile.CORE;
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_PROFILE_MASK, (Int32)profile) < 0)
{
throw new SDL2Exception();
}
// NOTE: Asking for an ES 3.0 context in the emulator will return a valid
// context pointer, but actually using it will cause segfaults. It seems like
// the best thing to do on Android is just not ask for a specific version,
// and trust the OS to give you the highest version it supports.
if (Platform != UltravioletPlatform.Android)
{
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_MAJOR_VERSION, versionRequested.Major) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_MINOR_VERSION, versionRequested.Minor) < 0)
{
throw new SDL2Exception();
}
}
if (SDL.GL_SetAttribute(SDL_GLattr.DEPTH_SIZE, configuration.BackBufferDepthSize) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.STENCIL_SIZE, configuration.BackBufferStencilSize) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.RETAINED_BACKING, 0) < 0)
{
throw new SDL2Exception();
}
if (configuration.Use32BitFramebuffer)
{
if (SDL.GL_SetAttribute(SDL_GLattr.RED_SIZE, 8) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.GREEN_SIZE, 8) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.BLUE_SIZE, 8) < 0)
{
throw new SDL2Exception();
}
}
else
{
if (SDL.GL_SetAttribute(SDL_GLattr.RED_SIZE, 5) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.GREEN_SIZE, 6) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.BLUE_SIZE, 5) < 0)
{
throw new SDL2Exception();
}
}
}
this.platform = IsRunningInServiceMode ? (IUltravioletPlatform) new DummyUltravioletPlatform(this) : new OpenGLUltravioletPlatform(this, configuration);
PumpEvents();
this.graphics = IsRunningInServiceMode ? (IUltravioletGraphics) new DummyUltravioletGraphics(this) : new OpenGLUltravioletGraphics(this, configuration, versionRequested);
if (!IsRunningInServiceMode)
{
((OpenGLUltravioletGraphics)graphics).ResetDeviceStates();
}
this.audio = IsRunningInServiceMode ? new DummyUltravioletAudio(this) : InitializeAudioSubsystem(configuration);
this.input = IsRunningInServiceMode ? (IUltravioletInput)(new DummyUltravioletInput(this)) : new SDL2UltravioletInput(this);
this.content = new UltravioletContent(this);
this.ui = new UltravioletUI(this, configuration);
this.content.RegisterImportersAndProcessors(new[]
{
typeof(SDL2.Native.SDL).Assembly,
String.IsNullOrEmpty(configuration.AudioSubsystemAssembly) ? null : Assembly.Load(configuration.AudioSubsystemAssembly),
String.IsNullOrEmpty(configuration.ViewProviderAssembly) ? null : Assembly.Load(configuration.ViewProviderAssembly)
});
this.content.Importers.RegisterImporter <XmlContentImporter>("prog");
PumpEvents();
unsafe
{
eventFilter = new SDL.EventFilter(SDLEventFilter);
eventFilterPtr = Marshal.GetFunctionPointerForDelegate(eventFilter);
SDL.SetEventFilter(eventFilterPtr, IntPtr.Zero);
}
InitializeContext();
InitializeViewProvider(configuration);
}
/// <summary>
/// Attempts to initialize the OpenGL context with the specified configuration.
/// </summary>
private Boolean TryInitializeGLContext(IntPtr masterptr, OpenGLUltravioletConfiguration configuration)
{
if (configuration.Debug)
SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_FLAGS, (int)SDL_GLcontextFlag.DEBUG);
if ((this.context = SDL.GL_CreateContext(masterptr)) == IntPtr.Zero)
{
if (configuration.Debug)
{
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_FLAGS, 0) < 0)
throw new SDL2Exception();
if ((this.context = SDL.GL_CreateContext(masterptr)) != IntPtr.Zero)
return true;
}
return false;
}
return true;
}
public unsafe OpenGLUltravioletGraphics(OpenGLUltravioletContext uv, OpenGLUltravioletConfiguration configuration, Version versionRequested)
: base(uv)
{
var masterptr = ((OpenGLUltravioletWindowInfo)uv.GetPlatform().Windows).GetMasterPointer();
if (!TryInitializeGLContext(masterptr, configuration))
{
var attemptedVersionMajor = 0;
var attemptedVersionMinor = 0;
if (SDL.GL_GetAttribute(SDL_GLattr.CONTEXT_MAJOR_VERSION, &attemptedVersionMajor) < 0)
throw new SDL2Exception();
if (SDL.GL_GetAttribute(SDL_GLattr.CONTEXT_MINOR_VERSION, &attemptedVersionMinor) < 0)
throw new SDL2Exception();
var attemptedVersion = new Version(attemptedVersionMajor, attemptedVersionMinor, 0, 0);
var isGLES = (uv.Platform == UltravioletPlatform.Android || uv.Platform == UltravioletPlatform.iOS);
if (isGLES && attemptedVersion >= new Version(3, 0) && (configuration.MinimumOpenGLESVersion ?? new Version(2, 0)) <= new Version(2, 0))
{
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_MAJOR_VERSION, 2) < 0)
throw new SDL2Exception();
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_MINOR_VERSION, 0) < 0)
throw new SDL2Exception();
if (!TryInitializeGLContext(masterptr, configuration))
throw new SDL2Exception();
}
else throw new SDL2Exception();
}
if (SDL.GL_SetSwapInterval(1) < 0 && uv.Platform != UltravioletPlatform.iOS)
throw new SDL2Exception();
if (gl.Initialized)
{
gl.Uninitialize();
}
gl.Initialize(new OpenGLInitializer());
if (!gl.IsVersionAtLeast(versionRequested))
throw new InvalidOperationException(OpenGLStrings.DoesNotMeetMinimumVersionRequirement.Format(gl.MajorVersion, gl.MinorVersion, versionRequested.Major, versionRequested.Minor));
OpenGLState.ResetCache();
if (!VerifyCapabilities())
throw new NotSupportedException(OpenGLStrings.UnsupportedGraphicsDevice);
if (configuration.Debug && configuration.DebugCallback != null)
{
InitializeDebugOutput(configuration);
}
this.capabilities = new OpenGLGraphicsCapabilities();
this.maxTextureStages = gl.GetInteger(gl.GL_MAX_TEXTURE_IMAGE_UNITS);
this.textures = new Texture2D[maxTextureStages];
this.samplerStates = new SamplerState[maxTextureStages];
this.samplerObjects = capabilities.SupportsIndependentSamplerState ? new OpenGLSamplerObject[maxTextureStages] : null;
this.backBufferRenderTargetUsage = configuration.BackBufferRenderTargetUsage;
if (samplerObjects != null)
{
for (int i = 0; i < samplerObjects.Length; i++)
{
samplerObjects[i] = new OpenGLSamplerObject(Ultraviolet);
samplerObjects[i].Bind((uint)i);
}
}
OpenGLState.VerifyCache();
}
/// <summary>
/// Initializes a new instance of the OpenGLUltravioletContext class.
/// </summary>
/// <param name="host">The object that is hosting the Ultraviolet context.</param>
/// <param name="configuration">The Ultraviolet Framework configuration settings for this context.</param>
public OpenGLUltravioletContext(IUltravioletHost host, OpenGLUltravioletConfiguration configuration)
: base(host, configuration)
{
Contract.Require(configuration, nameof(configuration));
this.IsHardwareInputDisabled = configuration.IsHardwareInputDisabled;
var sdlFlags = configuration.EnableServiceMode ?
SDL_Init.TIMER | SDL_Init.EVENTS :
SDL_Init.TIMER | SDL_Init.VIDEO | SDL_Init.JOYSTICK | SDL_Init.GAMECONTROLLER | SDL_Init.EVENTS;
if (SDL.Init(sdlFlags) != 0)
{
throw new SDL2Exception();
}
var isGLES = (Platform == UltravioletPlatform.Android);
var versionRequired = isGLES ? new Version(2, 0) : new Version(3, 1);
var versionRequested = isGLES ? configuration.MinimumOpenGLESVersion : configuration.MinimumOpenGLVersion;
if (versionRequested == null || versionRequested < versionRequired)
{
versionRequested = versionRequired;
}
if (!configuration.EnableServiceMode)
{
var profile = isGLES ? SDL_GLprofile.ES : SDL_GLprofile.CORE;
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_PROFILE_MASK, (Int32)profile) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_MAJOR_VERSION, versionRequested.Major) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_MINOR_VERSION, versionRequested.Minor) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.DEPTH_SIZE, configuration.BackBufferDepthSize) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.STENCIL_SIZE, configuration.BackBufferStencilSize) < 0)
{
throw new SDL2Exception();
}
}
this.platform = IsRunningInServiceMode ? (IUltravioletPlatform)(new DummyUltravioletPlatform(this)) : new OpenGLUltravioletPlatform(this, configuration);
PumpEvents();
this.graphics = IsRunningInServiceMode ? (IUltravioletGraphics)(new DummyUltravioletGraphics(this)) : new OpenGLUltravioletGraphics(this, configuration);
this.audio = IsRunningInServiceMode ? new DummyUltravioletAudio(this) : InitializeAudioSubsystem(configuration);
this.input = IsRunningInServiceMode ? (IUltravioletInput)(new DummyUltravioletInput(this)) : new SDL2UltravioletInput(this);
this.content = new UltravioletContent(this);
this.ui = new UltravioletUI(this, configuration);
this.content.RegisterImportersAndProcessors(new[]
{
typeof(SDL2.Native.SDL).Assembly,
String.IsNullOrEmpty(configuration.AudioSubsystemAssembly) ? null : Assembly.Load(configuration.AudioSubsystemAssembly),
String.IsNullOrEmpty(configuration.ViewProviderAssembly) ? null : Assembly.Load(configuration.ViewProviderAssembly)
});
this.content.Importers.RegisterImporter <XmlContentImporter>("prog");
PumpEvents();
InitializeContext();
InitializeViewProvider(configuration);
}
public unsafe OpenGLUltravioletGraphics(OpenGLUltravioletContext uv, OpenGLUltravioletConfiguration configuration, Version versionRequested)
: base(uv)
{
var masterptr = ((OpenGLUltravioletWindowInfo)uv.GetPlatform().Windows).GetMasterPointer();
if (!TryInitializeGLContext(masterptr, configuration))
{
var attemptedVersionMajor = 0;
var attemptedVersionMinor = 0;
if (SDL.GL_GetAttribute(SDL_GLattr.CONTEXT_MAJOR_VERSION, &attemptedVersionMajor) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_GetAttribute(SDL_GLattr.CONTEXT_MINOR_VERSION, &attemptedVersionMinor) < 0)
{
throw new SDL2Exception();
}
var attemptedVersion = new Version(attemptedVersionMajor, attemptedVersionMinor, 0, 0);
var isGLES = (uv.Platform == UltravioletPlatform.Android || uv.Platform == UltravioletPlatform.iOS);
if (isGLES && attemptedVersion >= new Version(3, 0) && (configuration.MinimumOpenGLESVersion ?? new Version(2, 0)) <= new Version(2, 0))
{
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_MAJOR_VERSION, 2) < 0)
{
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_MINOR_VERSION, 0) < 0)
{
throw new SDL2Exception();
}
if (!TryInitializeGLContext(masterptr, configuration))
{
throw new SDL2Exception();
}
}
else
{
throw new SDL2Exception();
}
}
if (SDL.GL_SetSwapInterval(1) < 0 && uv.Platform != UltravioletPlatform.iOS)
{
throw new SDL2Exception();
}
if (gl.Initialized)
{
gl.Uninitialize();
}
gl.Initialize(new OpenGLInitializer());
if (!gl.IsVersionAtLeast(versionRequested))
{
throw new InvalidOperationException(OpenGLStrings.DoesNotMeetMinimumVersionRequirement.Format(gl.MajorVersion, gl.MinorVersion, versionRequested.Major, versionRequested.Minor));
}
OpenGLState.ResetCache();
if (!VerifyCapabilities())
{
throw new NotSupportedException(OpenGLStrings.UnsupportedGraphicsDevice);
}
if (configuration.Debug && configuration.DebugCallback != null)
{
InitializeDebugOutput(configuration);
}
this.capabilities = new OpenGLGraphicsCapabilities(configuration);
this.maxTextureStages = gl.GetInteger(gl.GL_MAX_TEXTURE_IMAGE_UNITS);
this.textures = new Texture2D[maxTextureStages];
this.samplerStates = new SamplerState[maxTextureStages];
this.samplerObjects = capabilities.SupportsIndependentSamplerState ? new OpenGLSamplerObject[maxTextureStages] : null;
this.backBufferRenderTargetUsage = configuration.BackBufferRenderTargetUsage;
if (samplerObjects != null)
{
for (int i = 0; i < samplerObjects.Length; i++)
{
samplerObjects[i] = new OpenGLSamplerObject(Ultraviolet);
samplerObjects[i].Bind((uint)i);
}
}
OpenGLState.VerifyCache();
}
/// <summary>
/// Initializes a new instance of the OpenGLUltravioletContext class.
/// </summary>
/// <param name="host">The object that is hosting the Ultraviolet context.</param>
/// <param name="configuration">The Ultraviolet Framework configuration settings for this context.</param>
public OpenGLUltravioletContext(IUltravioletHost host, OpenGLUltravioletConfiguration configuration)
: base(host, configuration)
{
Contract.Require(configuration, nameof(configuration));
this.IsHardwareInputDisabled = configuration.IsHardwareInputDisabled;
var sdlFlags = configuration.EnableServiceMode ?
SDL_Init.TIMER | SDL_Init.EVENTS :
SDL_Init.TIMER | SDL_Init.VIDEO | SDL_Init.JOYSTICK | SDL_Init.GAMECONTROLLER | SDL_Init.EVENTS;
if (SDL.Init(sdlFlags) != 0)
throw new SDL2Exception();
var isGLES = (Platform == UltravioletPlatform.Android || Platform == UltravioletPlatform.iOS);
var versionRequired = isGLES ? new Version(2, 0) : new Version(3, 1);
var versionRequested = isGLES ? configuration.MinimumOpenGLESVersion : configuration.MinimumOpenGLVersion;
if (versionRequested == null || versionRequested < versionRequired)
{
if (isGLES)
{
versionRequested = Platform == UltravioletPlatform.Android ?
new Version(2, 0) : new Version(3, 0);
}
else
{
versionRequested = versionRequired;
}
}
if (!configuration.EnableServiceMode)
{
var profile = isGLES ? SDL_GLprofile.ES : SDL_GLprofile.CORE;
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_PROFILE_MASK, (Int32)profile) < 0)
throw new SDL2Exception();
// NOTE: Asking for an ES 3.0 context in the emulator will return a valid
// context pointer, but actually using it will cause segfaults. It seems like
// the best thing to do on Android is just not ask for a specific version,
// and trust the OS to give you the highest version it supports.
if (Platform != UltravioletPlatform.Android)
{
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_MAJOR_VERSION, versionRequested.Major) < 0)
throw new SDL2Exception();
if (SDL.GL_SetAttribute(SDL_GLattr.CONTEXT_MINOR_VERSION, versionRequested.Minor) < 0)
throw new SDL2Exception();
}
if (SDL.GL_SetAttribute(SDL_GLattr.DEPTH_SIZE, configuration.BackBufferDepthSize) < 0)
throw new SDL2Exception();
if (SDL.GL_SetAttribute(SDL_GLattr.STENCIL_SIZE, configuration.BackBufferStencilSize) < 0)
throw new SDL2Exception();
if (SDL.GL_SetAttribute(SDL_GLattr.RETAINED_BACKING, 0) < 0)
throw new SDL2Exception();
if (configuration.Use32BitFramebuffer)
{
if (SDL.GL_SetAttribute(SDL_GLattr.RED_SIZE, 8) < 0)
throw new SDL2Exception();
if (SDL.GL_SetAttribute(SDL_GLattr.GREEN_SIZE, 8) < 0)
throw new SDL2Exception();
if (SDL.GL_SetAttribute(SDL_GLattr.BLUE_SIZE, 8) < 0)
throw new SDL2Exception();
}
else
{
if (SDL.GL_SetAttribute(SDL_GLattr.RED_SIZE, 5) < 0)
throw new SDL2Exception();
if (SDL.GL_SetAttribute(SDL_GLattr.GREEN_SIZE, 6) < 0)
throw new SDL2Exception();
if (SDL.GL_SetAttribute(SDL_GLattr.BLUE_SIZE, 5) < 0)
throw new SDL2Exception();
}
}
this.platform = IsRunningInServiceMode ? (IUltravioletPlatform)new DummyUltravioletPlatform(this) : new OpenGLUltravioletPlatform(this, configuration);
PumpEvents();
this.graphics = IsRunningInServiceMode ? (IUltravioletGraphics)new DummyUltravioletGraphics(this) : new OpenGLUltravioletGraphics(this, configuration, versionRequested);
if (!IsRunningInServiceMode)
((OpenGLUltravioletGraphics)graphics).ResetDeviceStates();
this.audio = IsRunningInServiceMode ? new DummyUltravioletAudio(this) : InitializeAudioSubsystem(configuration);
this.input = IsRunningInServiceMode ? (IUltravioletInput)(new DummyUltravioletInput(this)) : new SDL2UltravioletInput(this);
this.content = new UltravioletContent(this);
this.ui = new UltravioletUI(this, configuration);
this.content.RegisterImportersAndProcessors(new[]
{
typeof(SDL2.Native.SDL).Assembly,
String.IsNullOrEmpty(configuration.AudioSubsystemAssembly) ? null : Assembly.Load(configuration.AudioSubsystemAssembly),
String.IsNullOrEmpty(configuration.ViewProviderAssembly) ? null : Assembly.Load(configuration.ViewProviderAssembly)
});
this.content.Importers.RegisterImporter<XmlContentImporter>("prog");
PumpEvents();
unsafe
{
eventFilter = new SDL.EventFilter(SDLEventFilter);
eventFilterPtr = Marshal.GetFunctionPointerForDelegate(eventFilter);
SDL.SetEventFilter(eventFilterPtr, IntPtr.Zero);
}
InitializeContext();
InitializeViewProvider(configuration);
}
/// <summary>
/// Initializes the context's audio subsystem.
/// </summary>
/// <param name="configuration">The Ultraviolet Framework configuration settings for this context.</param>
/// <returns>The audio subsystem.</returns>
private IUltravioletAudio InitializeAudioSubsystem(OpenGLUltravioletConfiguration configuration)
{
if (String.IsNullOrEmpty(configuration.AudioSubsystemAssembly))
throw new InvalidOperationException(OpenGLStrings.InvalidAudioAssembly);
Assembly asm;
try
{
asm = Assembly.Load(configuration.AudioSubsystemAssembly);
InitializeFactoryMethodsInAssembly(asm);
}
catch (Exception e)
{
if (e is FileNotFoundException ||
e is FileLoadException ||
e is BadImageFormatException)
{
throw new InvalidOperationException(OpenGLStrings.InvalidAudioAssembly, e);
}
throw;
}
var types = (from t in asm.GetTypes()
where
t.IsClass && !t.IsAbstract &&
t.GetInterfaces().Contains(typeof(IUltravioletAudio))
select t).ToList();
if (!types.Any() || types.Count > 1)
throw new InvalidOperationException(OpenGLStrings.InvalidAudioAssembly);
var type = types.Single();
var ctorWithConfig = type.GetConstructor(new[] { typeof(UltravioletContext), typeof(UltravioletConfiguration) });
if (ctorWithConfig != null)
{
return (IUltravioletAudio)ctorWithConfig.Invoke(new object[] { this, configuration });
}
var ctorWithoutConfig = type.GetConstructor(new[] { typeof(UltravioletContext) });
if (ctorWithoutConfig != null)
{
return (IUltravioletAudio)ctorWithoutConfig.Invoke(new object[] { this });
}
throw new InvalidOperationException(OpenGLStrings.InvalidAudioAssembly);
}
