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Code Issues Actions 2 Packages Projects Releases Wiki Activity

Optimize texture cache tracking (#123)

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Optimize texture cache page tracking
This commit is contained in:
nmzik
2026-07-29 03:37:09 +02:00
committed by GitHub
parent 687ce025c6
commit 861729fc6c
7 changed files with 791 additions and 485 deletions
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tests/ShaderRecompilerComputeTests.cpp
+18 -3
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@@ -3195,6 +3195,10 @@ public:
const auto fault_b_image = texture_cache.FindImage(fault_b_desc);
texture_cache.MarkGpuWritten(fault_a_image);
texture_cache.MarkGpuWritten(fault_b_image);
Require(name, "per-image watcher installation",
texture_cache.GetImage(fault_a_image).IsTracked() &&
texture_cache.GetImage(fault_b_image).IsTracked(),
"same-page images did not install independent write watchers");
constexpr uint64_t padding_fault_offset = 0x8080;
uint32_t write_only_read_a = 0;
uint32_t write_only_read_b = 0;
@@ -3212,13 +3216,24 @@ public:
resources.HandleFault(PageFaultAccess::Write,
base + padding_fault_offset) &&
texture_cache.GetImage(fault_a_image).IsGpuModified() &&
texture_cache.GetImage(fault_b_image).IsGpuModified(),
texture_cache.GetImage(fault_b_image).IsGpuModified() &&
!texture_cache.GetImage(fault_a_image).IsTracked() &&
!texture_cache.GetImage(fault_b_image).IsTracked() &&
texture_cache.GetImage(fault_a_image).IsMaybeCpuDirty() &&
texture_cache.GetImage(fault_b_image).IsMaybeCpuDirty(),
"a byte-disjoint CPU write discarded authoritative images");
const auto retracked_a = texture_cache.FindImage(fault_a_desc);
const auto retracked_b = texture_cache.FindImage(fault_b_desc);
Require(name, "same-page image re-track",
texture_cache.FindImage(fault_a_desc) == fault_a_image &&
texture_cache.FindImage(fault_b_desc) == fault_b_image &&
retracked_a == fault_a_image && retracked_b == fault_b_image &&
texture_cache.GetImage(fault_a_image).IsTracked() &&
texture_cache.GetImage(fault_b_image).IsTracked() &&
!texture_cache.GetImage(fault_a_image).IsCpuDirty() &&
!texture_cache.GetImage(fault_b_image).IsCpuDirty() &&
texture_cache.SynchronizeImageToBuffer(base + 0x8000,
sizeof(fault_a)) &&
texture_cache.GetImage(fault_a_image).IsTracked() &&
texture_cache.GetImage(fault_b_image).IsTracked() &&
!texture_cache.GetImage(fault_a_image).IsGpuModified() &&
texture_cache.GetImage(fault_b_image).IsGpuModified(),
"retiring one same-page image lost the surviving owner");