104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
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#pragma once
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#if COMPILE_WITH_SHADER_CACHE_MANAGER
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#include "../Config.h"
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#include "Engine/Serialization/MemoryWriteStream.h"
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#include "Engine/Platform/FileSystem.h"
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#include "Engine/Core/Types/DataContainer.h"
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#include "Engine/Core/Types/String.h"
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#include "Engine/Core/Types/Guid.h"
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#include "Engine/Core/Types/DateTime.h"
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/// <summary>
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/// Shaders cache manager.
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/// </summary>
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class ShaderCacheManager
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{
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public:
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struct CachedEntryHandle
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{
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Guid ID;
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String Path;
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CachedEntryHandle()
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{
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ID = Guid::Empty;
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}
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bool IsValid() const
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{
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return ID.IsValid();
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}
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bool Exists() const
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{
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return FileSystem::FileExists(Path);
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}
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bool Delete() const
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{
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return FileSystem::DeleteFile(Path);
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}
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DateTime GetModificationDate() const
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{
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return FileSystem::GetFileLastEditTime(Path);
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}
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};
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public:
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/// <summary>
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/// Tries to get cached shader entry for a given shader
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/// </summary>
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/// <param name="profile">Shader Profile</param>
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/// <param name="id">Shader ID</param>
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/// <param name="cachedEntry">Result entry if success</param>
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/// <returns>False if cannot get it, otherwise true</returns>
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static bool TryGetEntry(const ShaderProfile profile, const Guid& id, CachedEntryHandle& cachedEntry);
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/// <summary>
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/// Gets shader cache
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/// </summary>
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/// <param name="profile">Shader Profile</param>
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/// <param name="cachedEntry">Cached entry handle</param>
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/// <param name="outputShaderCache">Output data</param>
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/// <returns>True if cannot set cache data, otherwise false</returns>
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static bool GetCache(const ShaderProfile profile, const CachedEntryHandle& cachedEntry, BytesContainer& outputShaderCache);
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/// <summary>
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/// Sets shader cache
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/// </summary>
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/// <param name="profile">Shader Profile</param>
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/// <param name="cachedEntry">Cached entry handle</param>
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/// <param name="inputShaderCache">Input data</param>
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/// <returns>True if cannot set cache data, otherwise false</returns>
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static bool SetCache(const ShaderProfile profile, const CachedEntryHandle& cachedEntry, MemoryWriteStream& inputShaderCache);
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/// <summary>
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/// Removes shader cache.
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/// </summary>
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/// <param name="profile">Shader Profile</param>
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/// <param name="id">Shader ID</param>
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static void RemoveCache(const ShaderProfile profile, const Guid& id);
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/// <summary>
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/// Removes shader cache.
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/// </summary>
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/// <param name="id">Shader ID</param>
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static void RemoveCache(const Guid& id);
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/// <summary>
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/// Copies shader cache.
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/// </summary>
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/// <param name="dstId">Destination shader ID</param>
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/// <param name="srcId">Source shader ID</param>
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static void CopyCache(const Guid& dstId, const Guid& srcId);
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};
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#endif
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