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perf: cache recent decoded map tiles

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This commit is contained in:
torlando-agent[bot]
2026-08-07 01:37:13 +00:00
parent c46b23e860
commit 7ab8df8922
7 changed files with 350 additions and 1 deletions
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lib/tdeck_ui/UI/LXMF/MapScreen.cpp
+24 -1
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@@ -68,7 +68,8 @@ MapScreen::MapScreen(lv_obj_t* parent)
status_label_(nullptr), attribution_label_(nullptr), zoom_label_(nullptr),
zoom_out_button_(nullptr), zoom_in_button_(nullptr),
recenter_button_(nullptr), pan_buttons_{}, tile_images_{},
tile_descriptors_{}, tile_pixels_{}, approximation_halos_{}, markers_{}, marker_labels_{},
tile_descriptors_{}, tile_pixels_{}, decoded_tile_cache_(TILE_PIXEL_COUNT),
decoded_cache_pixels_{}, approximation_halos_{}, markers_{}, marker_labels_{},
presenter_(), storage_(),
store_config_{STORE_ENTRY_CAPACITY, STORE_BYTE_QUOTA,
MAX_COMPRESSED_TILE_BYTES},
@@ -160,6 +161,14 @@ MapScreen::MapScreen(lv_obj_t* parent)
tile_images_[index] = lv_img_create(viewport_);
lv_obj_add_flag(tile_images_[index], LV_OBJ_FLAG_HIDDEN);
}
for (std::size_t index = 0U; index < Pyxis::DecodedTileCache::CAPACITY; ++index) {
decoded_cache_pixels_[index] = static_cast<std::uint16_t*>(heap_caps_malloc(
TILE_PIXEL_COUNT * sizeof(std::uint16_t),
MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT));
if (decoded_cache_pixels_[index]) {
(void)decoded_tile_cache_.attach(index, decoded_cache_pixels_[index]);
}
}
for (std::size_t index = 0; index < MARKER_COUNT; ++index) {
approximation_halos_[index] = lv_obj_create(viewport_);
@@ -232,6 +241,10 @@ MapScreen::~MapScreen() {
if (tile_pixels_[index]) heap_caps_free(tile_pixels_[index]);
tile_pixels_[index] = nullptr;
}
for (std::size_t index = 0U; index < Pyxis::DecodedTileCache::CAPACITY; ++index) {
if (decoded_cache_pixels_[index]) heap_caps_free(decoded_cache_pixels_[index]);
decoded_cache_pixels_[index] = nullptr;
}
if (compressed_staging_) heap_caps_free(compressed_staging_);
compressed_staging_ = nullptr;
if (state_mutex_) vSemaphoreDelete(state_mutex_);
@@ -416,6 +429,13 @@ Pyxis::MapTileLoadResult MapScreen::downloadTile(
Pyxis::MapTileLoadResult MapScreen::readTile(
const Pyxis::MapTileRequest& request) {
if (request.slot_index < TILE_COUNT && tile_pixels_[request.slot_index] &&
decoded_tile_cache_.get(
request.key,
reinterpret_cast<std::uint16_t*>(tile_pixels_[request.slot_index]),
TILE_PIXEL_COUNT)) {
return Pyxis::MapTileLoadResult::READY;
}
if (!store_initialized_) {
return Pyxis::MapTileLoadResult::STORAGE_UNAVAILABLE;
}
@@ -499,6 +519,9 @@ Pyxis::MapTileLoadResult MapScreen::readTile(
rgb[source + 2U]);
}
lv_mem_free(rgb);
(void)decoded_tile_cache_.put(
request.key, reinterpret_cast<const std::uint16_t*>(pixels),
TILE_PIXEL_COUNT);
return Pyxis::MapTileLoadResult::READY;
}