63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
// Copyright (c) Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Core/Types/DataContainer.h"
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#include "Engine/Content/Storage/FlaxStorage.h"
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class GPUTexture;
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class Task;
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/// <summary>
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/// Interface for objects that can manage streamable texture
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/// </summary>
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class FLAXENGINE_API ITextureOwner
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{
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public:
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/// <summary>
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/// Gets the texture owner mutex used to synchronize texture logic.
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/// </summary>
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virtual CriticalSection& GetOwnerLocker() const = 0;
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/// <summary>
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/// Get texture mip map data
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/// </summary>
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/// <param name="mipIndex">Mip map index</param>
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/// <returns>Task that will get asset data (may be null if data already loaded).</returns>
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virtual Task* RequestMipDataAsync(int32 mipIndex) = 0;
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/// <summary>
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/// Prepares texture data. May lock data chunks to be keep in cache for a while.
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/// </summary>
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virtual FlaxStorage::LockData LockData() = 0;
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/// <summary>
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/// Gets texture mip map data. May fail if not data requested. See RequestMipDataAsync.
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/// </summary>
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/// <param name="mipIndex">Mip map index</param>
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/// <param name="data">Result data</param>
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virtual void GetMipData(int32 mipIndex, BytesContainer& data) const = 0;
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/// <summary>
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/// Gets texture mip map data. Performs loading if data is not in memory (may stall the callee thread).
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/// </summary>
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/// <param name="mipIndex">Mip map index</param>
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/// <param name="data">Result data</param>
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virtual void GetMipDataWithLoading(int32 mipIndex, BytesContainer& data) const
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{
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GetMipData(mipIndex, data);
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}
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/// <summary>
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/// Gets texture mip map data row and slice pitch. Cna be used to override the default values.
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/// </summary>
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/// <param name="mipIndex">Mip map index</param>
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/// <param name="rowPitch">Data row pitch (in bytes).</param>
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/// <param name="slicePitch">Data slice pitch (in bytes).</param>
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/// <returns>True if has a custom row/slice pitch values, otherwise false (to use default values).</returns>
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virtual bool GetMipDataCustomPitch(int32 mipIndex, uint32& rowPitch, uint32& slicePitch) const
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{
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return false;
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}
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};
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