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renderer: grow repeatedly joined buffer ranges (perf)

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nmzik
2026-09-05 06:30:31 +04:00
parent 8d3ebb5a55
commit 74a78f37d0
4 changed files with 115 additions and 29 deletions
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src/graphics/host_gpu/renderer/cache/bufferCache.h
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+12 -1
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@@ -74,6 +74,15 @@ public:
private:
friend struct BufferCacheTestAccess;
using BufferMap = std::map<uint64_t, BufferId>;
struct OverlapResult {
BufferMap::iterator first;
BufferMap::iterator last;
uint64_t begin;
uint64_t end;
bool has_stream_leap;
};
struct DownloadCopy;
using PageTable = MultiLevelPageTable<BufferId, CACHING_PAGEBITS, 40, 16>;
static_assert(CACHING_PAGESIZE == (uint64_t {1} << PageTable::kPageBits));
@@ -84,6 +93,8 @@ private:
[[nodiscard]] static std::pair<uint64_t, uint64_t> DownloadEnvelope(const DownloadCopy& copy);
void WriteDataBuffer(Buffer& buffer, uint64_t address, const void* source, uint64_t size);
void TouchBuffer(const Buffer& buffer);
[[nodiscard]] OverlapResult ResolveOverlaps(uint64_t vaddr, uint64_t size);
void JoinOverlap(BufferId new_id, BufferId overlap_id, bool accumulate_stream_score);
[[nodiscard]] BufferId CreateBuffer(uint64_t vaddr, uint64_t size);
void Register(BufferId id);
void Unregister(BufferId id);
@@ -106,7 +117,7 @@ private:
Buffer m_bda_pagetable_buffer;
Common::SlotVector<Buffer> m_slot_buffers;
Common::LeastRecentlyUsedCache<BufferId, uint64_t> m_lru_cache;
std::map<uint64_t, BufferId> m_buffers;
BufferMap m_buffers;
PageTable m_page_table;
RangeSet m_gpu_modified_ranges;
MemoryTracker m_memory_tracker;