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renderer: grow repeatedly joined buffer ranges (perf)

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This commit is contained in:
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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tests/ShaderRecompilerComputeTests.cpp
+29
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@@ -3310,6 +3310,35 @@ public:
resolved_right == resolved_left &&
resolved_left_offset != resolved_right_offset,
"saved descriptor IDs did not resolve through the merged owner");
constexpr uint64_t stream_begin = base + 0x1800000;
constexpr uint64_t stream_page = BufferCache::CACHING_PAGESIZE;
constexpr uint64_t stream_leap = stream_page * 128;
const auto caught =
cache.FindBuffer(stream_begin - stream_leap / 2, stream_page);
const auto anchor = cache.FindBuffer(stream_begin, stream_page * 2);
cache.GetBuffer(anchor).IncreaseStreamScore(16);
const auto scored =
cache.FindBuffer(stream_begin + stream_page * 2 - 4, 8);
Require(name, "stream growth threshold",
cache.GetBuffer(scored).CpuAddress() == stream_begin &&
cache.GetBuffer(scored).Size() == stream_page * 3 &&
cache.GetBuffer(scored).StreamScore() == 17,
"buffer range grew before the shadPS4 stream threshold");
const auto grown =
cache.FindBuffer(stream_begin + stream_page * 3 - 4, 8);
const auto &grown_buffer = cache.GetBuffer(grown);
Require(name, "stream range leap",
grown_buffer.CpuAddress() == stream_begin - stream_leap &&
grown_buffer.Size() == stream_leap + stream_page * 4 &&
grown_buffer.StreamScore() == 0 &&
cache.GetBuffer(caught).is_deleted &&
cache.GetBuffer(scored).is_deleted &&
BufferCacheTestAccess::PageOwner(
cache, stream_begin - stream_leap / 2) == grown,
"buffer stream leap changed its direction, size, reset, or "
"overlap capture");
resources.UnmapMemory(index_begin, index_span);
resources.UnmapMemory(base + recycled_offset, index_page);
Require(name, "invalidation retains owners",