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renderer: rewrite buffer lookup around page index

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This commit is contained in:
nmzik
2026-08-23 18:08:34 +02:00
parent cb378365e1
commit aa69b5b184
3 changed files with 105 additions and 60 deletions
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src/graphics/host_gpu/renderer/cache/bufferCache.h
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+6
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@@ -6,6 +6,7 @@
#include "common/slotVector.h"
#include "graphics/host_gpu/memoryTracker.h"
#include "graphics/host_gpu/rangeSet.h"
#include "graphics/host_gpu/renderer/cache/multiLevelPageTable.h"
#include "graphics/host_gpu/renderer/cache/streamBuffer.h"
#include <map>
@@ -66,12 +67,16 @@ private:
struct DownloadCopy;
struct DownloadRange;
using PageTable = MultiLevelPageTable<BufferId, 14, 40, 16>;
static_assert(CACHING_PAGE_SIZE == (uint64_t {1} << PageTable::kPageBits));
static constexpr uint64_t DOWNLOAD_ALIGNMENT = 64;
[[nodiscard]] static constexpr uint64_t AlignDownload(uint64_t size) noexcept {
return (size + DOWNLOAD_ALIGNMENT - 1) & ~(DOWNLOAD_ALIGNMENT - 1);
}
[[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);
[[nodiscard]] BufferId CreateBuffer(uint64_t vaddr, uint64_t size);
void Register(BufferId id);
void Unregister(BufferId id);
void DeleteBuffer(BufferId id);
[[nodiscard]] bool SynchronizeBuffer(Buffer& buffer, uint64_t vaddr, uint64_t size,
@@ -91,6 +96,7 @@ private:
Buffer m_gds_buffer;
Common::SlotVector<Buffer> m_slot_buffers;
std::map<uint64_t, BufferId> m_buffers;
PageTable m_page_table;
RangeSet m_gpu_modified_ranges;
MemoryTracker m_memory_tracker;
StreamBuffer m_staging_buffer;