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49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
// Copyright 2023 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <chrono>
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#include <filesystem>
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#include <map>
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#include <string>
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namespace VideoCommon
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{
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class CustomTextureData;
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// This class provides functionality to load
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// specific data (like textures). Where this data
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// is loaded from is implementation defined
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class CustomAssetLibrary
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{
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public:
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// TODO: this should be std::chrono::system_clock::time_point to
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// support any type of loader where the time isn't from the filesystem
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// but there's no way to convert filesystem times to system times
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// without 'clock_cast', once our builders catch up
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// to support 'clock_cast' we should update this
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// For now, it's fine as a filesystem library is all that is
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// available
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using TimeType = std::filesystem::file_time_type;
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// The AssetID is a unique identifier for a particular asset
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using AssetID = std::string;
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struct LoadInfo
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{
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std::size_t m_bytes_loaded;
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CustomAssetLibrary::TimeType m_load_time;
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};
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// Loads a texture, if there are no levels, bytes loaded will be empty
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virtual LoadInfo LoadTexture(const AssetID& asset_id, CustomTextureData* data) = 0;
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// Gets the last write time for a given asset id
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virtual TimeType GetLastAssetWriteTime(const AssetID& asset_id) const = 0;
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// Loads a texture as a game texture, providing additional checks like confirming
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// each mip level size is correct and that the format is consistent across the data
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LoadInfo LoadGameTexture(const AssetID& asset_id, CustomTextureData* data);
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};
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} // namespace VideoCommon
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