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Henrik RydgårdandClaude Opus 5.5
2d6045fa4b
- Prune expired failed_ entries, which otherwise grew for the whole session. - When CreateTexture fails, wait 5 seconds before decoding and uploading again, instead of retrying every frame. - Bind a newly created texture. Callers draw right after BindIconTexture, and got whatever was bound before for the first frame. - Make DiskCacheEntry's padding explicit. 32-bit x86 Linux aligns double to 4, so its icon.cache didn't match other builds. The layout is unchanged elsewhere. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
#pragma once
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#include <map>
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#include <set>
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#include <string_view>
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#include <mutex>
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#include <cstdint>
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#include "Common/File/Path.h"
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class UIContext;
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enum class IconFormat : uint32_t {
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PNG,
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};
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namespace Draw {
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class Texture;
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}
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// TODO: Possibly make this smarter and use instead of ManagedTexture?
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struct IconCacheStats {
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size_t cachedCount;
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size_t textureCount; // number of cached images that are "live" textures
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size_t pending;
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size_t dataSize;
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};
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class IconCache {
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public:
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// NOTE: Don't store the returned texture. Only use it to look up dimensions or other properties,
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// instead call BindIconTexture every time you want to use it.
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Draw::Texture *BindIconTexture(UIContext *context, std::string_view key);
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// It's okay to call these from any thread.
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bool MarkPending(std::string_view key); // returns false if already pending or loaded
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void CancelPending(std::string_view key);
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// Like CancelPending, but MarkPending refuses the key for a while, so a failing download isn't retried every frame.
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void MarkFailed(std::string_view key);
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bool InsertIcon(std::string_view key, IconFormat format, std::string &&pngData);
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bool GetDimensions(std::string_view key, int *width, int *height);
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bool Contains(std::string_view key);
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void SaveToFile(FILE *file);
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bool LoadFromFile(FILE *file);
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void FrameUpdate();
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void ClearTextures();
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void ClearData();
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IconCacheStats GetStats();
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private:
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void Decimate(int64_t maxSize);
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struct Entry {
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std::string data;
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IconFormat format;
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Draw::Texture *texture;
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double insertedTimeStamp;
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double usedTimeStamp;
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double uploadFailedTime; // When CreateTexture last failed, or 0.
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};
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std::map<std::string, Entry, std::less<>> cache_;
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std::set<std::string, std::less<>> pending_;
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std::map<std::string, double, std::less<>> failed_; // key -> time of failure
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std::mutex lock_;
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double lastUpdate_ = 0.0;
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double lastDecimate_ = 0.0;
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};
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extern IconCache g_iconCache;
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