本文整理汇总了C#中IDeviceContext.CreateContext方法的典型用法代码示例。如果您正苦于以下问题：C# IDeviceContext.CreateContext方法的具体用法？C# IDeviceContext.CreateContext怎么用？C# IDeviceContext.CreateContext使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IDeviceContext的用法示例。
在下文中一共展示了IDeviceContext.CreateContext方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GraphicsContext
/// <summary>
/// Construct a GraphicsContext specifying the implemented OpenGL version.
/// </summary>
/// <param name="deviceContext">
/// A <see cref="IDeviceContext"/> that specify the device context which has to be linked this
/// this Render context.
/// </param>
/// <param name="sharedContext">
/// A <see cref="GraphicsContext"/> that specify the render context which has to be linked this
/// this Render context (to share resource with it).
/// </param>
/// <param name="version">
/// A <see cref="KhronosVersion"/> that specify the minimum OpenGL version required to implement.
/// </param>
/// <param name="flags">
/// A <see cref="GraphicsContextFlags"/> that specify special features to enable in the case they are supported.
/// </param>
/// <exception cref="ArgumentException">
/// Exception thrown in the case <paramref name="version"/> is different from the currently implemented by the derive,
/// and the OpenGL extension WGL_ARB_create_context_profile or WGL_ARB_create_context are not implemented.
/// </exception>
/// <exception cref="ArgumentException">
/// This exception is thrown in the case <paramref name="version"/> specify a forward compatible version (greater than or equal to
/// <see cref="GLVersion.Version_3_2"/>), and the OpenGL extension WGL_ARB_create_context_profile or WGL_ARB_create_context
/// are not implemented.
/// </exception>
/// <exception cref="ArgumentException">
/// This exception is thrown in the case <paramref name="devctx"/> is <see cref="IntPtr.Zero"/>.
/// </exception>
/// <exception cref="InvalidOperationException">
/// This exception is thrown in the case it's not possible to create a valid OpenGL context.
/// </exception>
/// <exception cref="ArgumentException">
/// This exception is thrown if <paramref name="sharedContext"/> is not null and it was created by a thread different from the calling one.
/// </exception>
/// <exception cref="ArgumentException">
/// This exception is thrown if <paramref name="sharedContext"/> is not null and it is disposed.
/// </exception>
public GraphicsContext(IDeviceContext deviceContext, GraphicsContext sharedContext, KhronosVersion version, GraphicsContextFlags flags)
{
try {
IntPtr sharedContextHandle = (sharedContext != null) ? sharedContext._RenderContext : IntPtr.Zero;
#if DEBUG
_ConstructorStackTrace = Environment.StackTrace;
#endif
// Store thread ID of the render context
_RenderContextThreadId = System.Threading.Thread.CurrentThread.ManagedThreadId;
// Store thread ID of the device context
_DeviceContextThreadId = System.Threading.Thread.CurrentThread.ManagedThreadId;
if (deviceContext == null)
throw new ArgumentNullException("deviceContext");
if ((sharedContext != null) && (sharedContext._DeviceContext == null))
throw new ArgumentException("shared context disposed", "hSharedContext");
if ((sharedContext != null) && (sharedContext._RenderContextThreadId != _RenderContextThreadId))
throw new ArgumentException("shared context created from another thread", "hSharedContext");
if ((version != null) && (version != _CurrentVersion) && ((CurrentCaps.PlatformExtensions.CreateContext_ARB == false) && (CurrentCaps.PlatformExtensions.CreateContextProfile_ARB == false)))
throw new ArgumentException("unable to specify OpenGL version when GL_ARB_create_context[_profile] is not supported");
// Store device context handle
_DeviceContext = deviceContext;
_DeviceContext.IncRef();
// Allow version to be null (fallback to current version)
version = version ?? _CurrentVersion;
// Set flags
_ContextFlags = flags;
if ((CurrentCaps.PlatformExtensions.CreateContext_ARB || CurrentCaps.PlatformExtensions.CreateContextProfile_ARB) && (version.Major >= 3)) {
List<int> cAttributes = new List<int>();
#region Context Version
// Requires a specific version
Debug.Assert(Wgl.CONTEXT_MAJOR_VERSION_ARB == Glx.CONTEXT_MAJOR_VERSION_ARB);
Debug.Assert(Wgl.CONTEXT_MINOR_VERSION_ARB == Glx.CONTEXT_MINOR_VERSION_ARB);
cAttributes.AddRange(new int[] {
Wgl.CONTEXT_MAJOR_VERSION_ARB, version.Major,
Wgl.CONTEXT_MINOR_VERSION_ARB, version.Minor
});
#endregion
#region Context Profile
uint contextProfile = 0;
// Check binary compatibility between WGL and GLX
Debug.Assert(Wgl.CONTEXT_PROFILE_MASK_ARB == Glx.CONTEXT_PROFILE_MASK_ARB);
Debug.Assert(Wgl.CONTEXT_CORE_PROFILE_BIT_ARB == Glx.CONTEXT_CORE_PROFILE_BIT_ARB);
Debug.Assert(Wgl.CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB == Glx.CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB);
Debug.Assert(Wgl.CONTEXT_ES_PROFILE_BIT_EXT == Glx.CONTEXT_ES_PROFILE_BIT_EXT);
// By default, Core profile
// Core profile?
if ((flags & GraphicsContextFlags.CoreProfile) != 0)
contextProfile |= Wgl.CONTEXT_CORE_PROFILE_BIT_ARB;
//.........这里部分代码省略.........