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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 sealed class TextureCollection
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{
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#region Public Array Access Property
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public Texture this[int index]
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{
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get
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{
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return textures[index];
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}
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set
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{
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#if DEBUG
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// XNA checks for disposed textures here! -flibit
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if (value != null)
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{
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if (value.IsDisposed)
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{
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throw new ObjectDisposedException(
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value.GetType().ToString()
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);
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}
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if (!ignoreTargets)
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for (int i = 0; i < value.GraphicsDevice.renderTargetCount; i += 1)
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{
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if (value == value.GraphicsDevice.renderTargetBindings[i].RenderTarget)
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{
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throw new InvalidOperationException(
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"The render target must not be set on the" +
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" device when it is used as a texture."
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);
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}
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}
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}
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#endif
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textures[index] = value;
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modifiedSamplers[index] = true;
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}
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}
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#endregion
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#region Internal Variables
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internal bool ignoreTargets;
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#endregion
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#region Private Variables
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private readonly Texture[] textures;
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private readonly bool[] modifiedSamplers;
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#endregion
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#region Internal Constructor
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internal TextureCollection(
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int slots,
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bool[] modSamplers
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) {
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textures = new Texture[slots];
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modifiedSamplers = modSamplers;
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for (int i = 0; i < textures.Length; i += 1)
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{
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textures[i] = null;
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}
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ignoreTargets = false;
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}
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#endregion
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#region Internal Functions
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internal void RemoveDisposedTexture(Texture tex)
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{
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for (int i = 0; i < textures.Length; i += 1)
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{
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if (tex == textures[i])
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{
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this[i] = null;
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}
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}
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}
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#endregion
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}
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}
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