6f1b068bf5
The WpfEditor doesn't create a new device anymore every time it receives focus. StateObjects get recreated if the used device changes and they get disposed if the parent GraphicsDevice gets disposed.
112 lines
2.6 KiB
C#
112 lines
2.6 KiB
C#
using System;
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using ANX.Framework.Graphics;
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// This file is part of the ANX.Framework created by the
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// "ANX.Framework developer group" and released under the Ms-PL license.
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// For details see: http://anxframework.codeplex.com/license
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#if DX10
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namespace ANX.RenderSystem.Windows.DX10
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#endif
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#if DX11
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namespace ANX.RenderSystem.Windows.DX11
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#endif
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{
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public abstract class BaseStateObject<T> : IDisposable where T : class, IDisposable
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{
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protected const int IntMaxOver16 = int.MaxValue / 16;
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protected const float ColorByteToFloatFactor = 1f / 255f;
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protected bool isDirty;
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protected T nativeState;
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public bool IsBound { get; protected set; }
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protected GraphicsDevice GraphicsDevice
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{
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get;
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private set;
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}
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#region Constructor
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protected BaseStateObject()
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{
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isDirty = true;
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Init();
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}
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#endregion
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#region Release
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public void Release()
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{
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IsBound = false;
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}
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#endregion
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#region SetValueIfDifferentAndMarkDirty
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protected void SetValueIfDifferentAndMarkDirty<Tv>(ref Tv oldValue, ref Tv newValue)
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{
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if (oldValue.Equals(newValue) == false)
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{
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isDirty = true;
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oldValue = newValue;
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}
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}
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#endregion
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#region Dispose
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public void Dispose()
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{
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if (nativeState != null)
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{
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nativeState.Dispose();
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nativeState = null;
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}
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}
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#endregion
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#region Apply
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public void Apply(GraphicsDevice graphics)
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{
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UpdateNativeBlendState(graphics);
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IsBound = true;
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ApplyNativeState(graphics);
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}
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#endregion
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#region UpdateNativeBlendState
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private void UpdateNativeBlendState(GraphicsDevice graphics)
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{
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if (graphics != this.GraphicsDevice)
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{
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if (this.GraphicsDevice != null)
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this.GraphicsDevice.ResourceDestroyed -= GraphicsDevice_ResourceDestroyed;
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if (graphics != null)
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graphics.ResourceDestroyed += GraphicsDevice_ResourceDestroyed;
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this.GraphicsDevice = graphics;
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this.Dispose();
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}
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if (isDirty || nativeState == null)
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{
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Dispose();
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this.GraphicsDevice = graphics;
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nativeState = CreateNativeState(graphics);
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isDirty = false;
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}
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}
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void GraphicsDevice_ResourceDestroyed(object sender, ResourceDestroyedEventArgs e)
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{
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this.Dispose();
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}
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#endregion
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protected virtual void Init() { }
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protected abstract T CreateNativeState(GraphicsDevice graphics);
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protected abstract void ApplyNativeState(GraphicsDevice graphics);
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}
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}
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