Opentk/Source/OpenTK/Graphics/IGraphicsContext.cs
2010-10-02 18:52:34 +00:00

107 lines
4 KiB
C#

#region --- License ---
/* Licensed under the MIT/X11 license.
* Copyright (c) 2006-2008 the OpenTK Team.
* This notice may not be removed from any source distribution.
* See license.txt for licensing detailed licensing details.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using OpenTK.Platform;
namespace OpenTK.Graphics
{
/// <summary>
/// Provides methods for creating and interacting with an OpenGL context.
/// </summary>
public interface IGraphicsContext : IDisposable
{
/// <summary>Swaps buffers, presenting the rendered scene to the user.</summary>
void SwapBuffers();
/// <summary>Makes the GraphicsContext current in the calling thread.</summary>
/// <param name="window">An OpenTK.Platform.IWindowInfo structure that points to a valid window.</param>
/// <remarks>
/// <para>OpenGL commands in one thread, affect the GraphicsContext which is current in that thread.</para>
/// <para>It is an error to issue an OpenGL command in a thread without a current GraphicsContext.</para>
/// </remarks>
void MakeCurrent(IWindowInfo window);
/// <summary>
/// Gets a <see cref="System.Boolean"/> indicating whether this instance is current in the calling thread.
/// </summary>
bool IsCurrent { get; }
/// <summary>
/// Gets a <see cref="System.Boolean"/> indicating whether this instance has been disposed.
/// It is an error to access any instance methods if this property returns true.
/// </summary>
bool IsDisposed { get; }
/// <summary>
/// Gets or sets a value indicating whether VSyncing is enabled.
/// </summary>
bool VSync { get; set; }
/// <summary>
/// Updates the graphics context. This must be called when the region the graphics context
/// is drawn to is resized.
/// </summary>
/// <param name="window"></param>
void Update(IWindowInfo window);
/// <summary>Gets the GraphicsMode of this instance.</summary>
GraphicsMode GraphicsMode { get; }
/// <summary>
/// Gets or sets a System.Boolean, indicating whether automatic error checking should be performed.
/// </summary>
/// <remarks>
/// <para>It is an error to enable error checking inside a Begin()-End() region.</para>
/// <para>This method only affects the debug version of OpenTK.dll.</para>
/// </remarks>
bool ErrorChecking { get; set; }
/// <summary>
/// Loads all OpenGL entry points. Requires this instance to be current on the calling thread.
/// </summary>
void LoadAll();
}
// Functions for internal use by OpenTK.
// TODO: RegisterForDisposal/DisposeResources for 0.3.15 (GC & OpenGL)
// TODO: Remove or move GetDisplayModes to another class.
/// <summary>
/// Provides methods to create new GraphicsContexts. Should only be used for extending OpenTK.
/// </summary>
public interface IGraphicsContextInternal
{
/// <summary>
/// Gets the internal implementation of the current instance.
/// </summary>
IGraphicsContext Implementation { get; }
/// <summary>
/// Loads all OpenGL entry points. Requires this instance to be current on the calling thread.
/// </summary>
void LoadAll();
/// <summary>
/// Gets a handle to the OpenGL rendering context.
/// </summary>
ContextHandle Context { get; }
/// <summary>
/// Gets the address of an OpenGL extension function.
/// </summary>
/// <param name="function">The name of the OpenGL function (e.g. "glGetString")</param>
/// <returns>
/// A pointer to the specified function or IntPtr.Zero if the function isn't
/// available in the current opengl context.
/// </returns>
IntPtr GetAddress(string function);
}
}