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Erase cached mipmap levels after a long time of not being used

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This commit is contained in:
Yousef Khadadeh 2026-02-17 14:41:08 +03:00
parent 462443ed0a
commit a69d9e3c6c
2 changed files with 18 additions and 4 deletions
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16
src/ResourceDisplay/ImageResourceDisplay.cpp
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@ -1,4 +1,5 @@
#include "ImageResourceDisplay.hpp"
#include <chrono>
#include <include/codec/SkPngDecoder.h>
#include <include/codec/SkJpegDecoder.h>
#include <include/codec/SkBmpDecoder.h>
@ -57,6 +58,13 @@ bool ImageResourceDisplay::update_draw() const {
}
void ImageResourceDisplay::update(World& w) {
for(auto& frame : frames) {
std::erase_if(frame.mipmapLevels, [](const auto& mipmapPair) {
static constexpr std::chrono::duration TIME_TO_REMOVE_MIPMAP_CACHE = std::chrono::seconds(40);
return std::chrono::steady_clock::now() - mipmapPair.second.timeLastUsed > TIME_TO_REMOVE_MIPMAP_CACHE;
});
}
mustUpdateDraw = false;
if(!loadedFirstFrame && loadedFrames >= 1) {
mustUpdateDraw = true;
@ -131,11 +139,13 @@ void ImageResourceDisplay::draw(SkCanvas* canvas, const DrawData& drawData, cons
SkImageInfo mipmapImgInfo = imageInfo.makeDimensions(mipmapResolution);
sk_sp<SkImage> mipmapImage = frame.data->makeScaled(mipmapImgInfo, SkSamplingOptions(SkFilterMode::kLinear, SkMipmapMode::kNone));
frame.mipmapLevels.emplace(mipmapLevel, mipmapImage);
frame.mipmapLevels.emplace(mipmapLevel, MipmapLevelData{mipmapImage, std::chrono::steady_clock::now()});
canvas->drawImageRect(mipmapImage, imRect, {SkFilterMode::kLinear, SkMipmapMode::kNone});
}
else
canvas->drawImageRect(mipmapIt->second, imRect, {SkFilterMode::kLinear, SkMipmapMode::kNone});
else {
mipmapIt->second.timeLastUsed = std::chrono::steady_clock::now();
canvas->drawImageRect(mipmapIt->second.imageData, imRect, {SkFilterMode::kLinear, SkMipmapMode::kNone});
}
}
}
}