wehub-resource-sync
66 lines
2.0 KiB
C#
66 lines
2.0 KiB
C#
using System;
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using System.Collections.Generic;
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using SharpDX.Direct3D11;
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using T3.Core.Logging;
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namespace T3.Core.Resource;
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/// <summary>
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/// A helper class that manages the creating of srv's for textures
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/// </summary>
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public static class SrvManager
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{
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public static ShaderResourceView GetSrvForTexture(Texture2D texture)
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{
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if (_srvForTextures.TryGetValue(texture, out var srv)
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&& !srv.IsDisposed)
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{
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return srv;
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}
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srv = CreateNewSrv(texture);
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if (srv == null)
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return null;
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_srvForTextures[texture]= srv;
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return srv;
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}
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private static ShaderResourceView CreateNewSrv(Texture2D texture)
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{
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try
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{
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//Log.Debug($"Create srv for {texture.Description.Width}×{texture.Description.Height}");
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return (texture.Description.BindFlags & BindFlags.DepthStencil) > 0
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? null : // skip here for depth/stencil to prevent warning below
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new ShaderResourceView(ResourceManager.Device, texture);
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}
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catch (Exception e)
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{
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Log.Warning("SrvManager::CreateNewSrv(...) - Could not create ShaderResourceView for texture. " + e.Message);
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return null;
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}
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}
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public static void RemoveForDisposedTextures()
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{
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var keysForRemoval = new List<KeyValuePair<Texture2D, ShaderResourceView>>();
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foreach (var pair in _srvForTextures)
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{
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if (pair.Key.IsDisposed)
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{
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keysForRemoval.Add(pair);
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}
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}
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foreach (var (texture,srv) in keysForRemoval)
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{
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//Log.Debug("Disposing SRV...");
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_srvForTextures.Remove(texture);
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srv.Dispose();
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}
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}
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private static readonly Dictionary<Texture2D, ShaderResourceView> _srvForTextures = new();
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} |