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#region License
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/* FNA - XNA4 Reimplementation for Desktop Platforms
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* Copyright 2009-2022 Ethan Lee and the MonoGame Team
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*
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* Released under the Microsoft Public License.
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* See LICENSE for details.
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*/
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#endregion
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#region Using Statements
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using System;
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#endregion
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namespace Microsoft.Xna.Framework.Graphics
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{
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public class OcclusionQuery : GraphicsResource
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{
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#region Public Properties
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public bool IsComplete
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{
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get
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{
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return FNA3D.FNA3D_QueryComplete(
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GraphicsDevice.GLDevice,
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query
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) == 1;
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}
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}
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public int PixelCount
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{
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get
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{
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return FNA3D.FNA3D_QueryPixelCount(
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GraphicsDevice.GLDevice,
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query
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);
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}
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}
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#endregion
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#region Private FNA3D Variables
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private IntPtr query;
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#endregion
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#region Public Constructor
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public OcclusionQuery(GraphicsDevice graphicsDevice)
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{
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GraphicsDevice = graphicsDevice;
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query = FNA3D.FNA3D_CreateQuery(GraphicsDevice.GLDevice);
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}
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#endregion
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#region Protected Dispose Method
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protected override void Dispose(bool disposing)
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{
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if (!IsDisposed)
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{
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FNA3D.FNA3D_AddDisposeQuery(GraphicsDevice.GLDevice, query);
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}
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base.Dispose(disposing);
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}
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#endregion
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#region Public Begin/End Methods
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public void Begin()
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{
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FNA3D.FNA3D_QueryBegin(GraphicsDevice.GLDevice, query);
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}
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public void End()
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{
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FNA3D.FNA3D_QueryEnd(GraphicsDevice.GLDevice, query);
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}
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#endregion
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}
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}
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