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[TEST] Caching for texture + pages on NCE

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This commit is contained in:
CamilleLaVey 2026-07-17 20:15:19 -04:00
parent eec29b83f3
commit 9c313fb787
4 changed files with 37 additions and 1 deletions
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5
src/core/device_memory_manager.h
View file

@ -126,6 +126,10 @@ public:
// New batch API to update multiple ranges with a single lock acquisition.
void UpdatePagesCachedBatch(std::span<const std::pair<DAddr, size_t>> ranges, s32 delta);
void UpdateTexturePagesCount(DAddr addr, size_t size, s32 delta);
[[nodiscard]] bool IsRegionTextureCached(DAddr addr, size_t size) const noexcept;
private:
struct TranslationEntry {
DAddr guest_page{};
@ -234,6 +238,7 @@ private:
(1ULL << (device_virtual_bits - page_bits)) / subentries;
using CachedPages = std::array<CounterEntry, num_counter_entries>;
std::unique_ptr<CachedPages> cached_pages;
std::unique_ptr<CachedPages> texture_cached_pages;
Common::RangeMutex counter_guard;
std::mutex mapping_guard;

23
src/core/device_memory_manager.inc
View file

@ -177,6 +177,7 @@ DeviceMemoryManager<Traits>::DeviceMemoryManager(const DeviceMemory& device_memo
{
impl = std::make_unique<DeviceMemoryManagerAllocator<Traits>>();
cached_pages = std::make_unique<CachedPages>();
texture_cached_pages = std::make_unique<CachedPages>();
const size_t total_virtual = device_as_size >> Memory::YUZU_PAGEBITS;
for (size_t i = 0; i < total_virtual; i++) {
@ -625,6 +626,28 @@ void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size
UpdatePagesCachedCountNoLock(addr, size, delta);
}
template <typename Traits>
void DeviceMemoryManager<Traits>::UpdateTexturePagesCount(DAddr addr, size_t size, s32 delta) {
Common::ScopedRangeLock lk(counter_guard, addr, size);
const size_t page_end = Common::DivCeil(addr + size, Memory::YUZU_PAGESIZE);
for (size_t page = addr >> Memory::YUZU_PAGEBITS; page != page_end; ++page) {
CounterAtomicType& count = texture_cached_pages->at(page >> subentries_shift).Count(page);
count.fetch_add(static_cast<CounterType>(delta), std::memory_order_release);
}
}
template <typename Traits>
bool DeviceMemoryManager<Traits>::IsRegionTextureCached(DAddr addr, size_t size) const noexcept {
const size_t page_end = Common::DivCeil(addr + size, Memory::YUZU_PAGESIZE);
for (size_t page = addr >> Memory::YUZU_PAGEBITS; page != page_end; ++page) {
if (texture_cached_pages->at(page >> subentries_shift).Count(page).load(
std::memory_order_acquire) != 0) {
return true;
}
}
return false;
}
template <typename Traits>
void DeviceMemoryManager<Traits>::UpdatePagesCachedBatch(std::span<const std::pair<DAddr, size_t>> ranges, s32 delta) {
if (ranges.empty()) {