forked from Misaki/GhostEngine
Misaki
954e3756aa
Major overhaul of Render Graph system: - Replaced texture handles with generic Identifier<T> for unified, type-safe resource management (textures, buffers, etc.) - Refactored resource registry and pooling for performance and extensibility - Added AccessFlags and TextureAccess for precise resource usage tracking - Split passes into Raster and Compute types; introduced builder interfaces for safer pass construction - Modernized pass setup API (SetColorAttachment, UseTexture, etc.) - Updated command buffer and context structs to use new resource system - Refactored barrier and aliasing logic for improved correctness - Integrated BenchmarkDotNet for performance/memory benchmarking - Improved blackboard type safety and removed obsolete code/extensions - Added BenchmarkDotNet NuGet package These changes make the Render Graph more extensible, efficient, and ready for future resource types and advanced features.
63 lines
1.5 KiB
C#
63 lines
1.5 KiB
C#
namespace Ghost.RenderGraph.Concept;
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/// <summary>
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/// Blackboard for sharing data between render passes.
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/// Uses a dictionary with type keys to store different pass data types.
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/// Avoids allocations by reusing the same dictionary across frames.
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/// </summary>
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public sealed class RenderGraphBlackboard
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{
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private readonly Dictionary<Type, IPassData> _data = new(16);
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/// <summary>
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/// Adds or updates pass data in the blackboard.
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/// </summary>
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public void Add<T>(T data)
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where T : class, IPassData
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{
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var type = typeof(T);
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_data[type] = data;
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}
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/// <summary>
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/// Retrieves pass data from the blackboard.
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/// </summary>
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public T Get<T>()
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where T : class, IPassData
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{
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var type = typeof(T);
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if (_data.TryGetValue(type, out var obj))
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{
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return (T)obj;
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}
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throw new KeyNotFoundException($"Pass data of type {type.Name} not found in blackboard");
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}
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/// <summary>
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/// Tries to get pass data from the blackboard.
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/// </summary>
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public bool TryGet<T>(out T? data)
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where T : class, IPassData
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{
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var type = typeof(T);
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if (_data.TryGetValue(type, out var obj))
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{
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data = (T)obj;
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return true;
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}
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data = null;
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return false;
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}
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/// <summary>
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/// Clears all data from the blackboard.
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/// Does not deallocate the backing dictionary to avoid allocations.
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/// </summary>
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public void Clear()
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{
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_data.Clear();
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}
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}
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