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[Fix] (DirectVulkan): harden the leak-fix round after adversarial review - pipeline memo now drops at every command-buffer boundary (a flush-loop-memoized pipeline could age out and be destroyed while its submission was in flight), mid-frame drains no longer rewind the arena or advance the cache-aging clocks in presenting apps (gated to every 8th drain since the last Present, so readback/fence-heavy frames neither churn conversions nor shrink the 1024-boundary retire window), render-pass eviction notifies the pipeline cache once per sweep batch instead of once per dying pass, descriptor pools use FREE_DESCRIPTOR_SET_BIT so a destroyed layout's cached sets are freed back and credited instead of abandoning pool slots (the live-layout age sweep that could orphan slots is removed - layout destruction is the sole purge path), and renderbuffer respecify parks the old backing for aged destruction instead of destroying it while possibly in flight

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This commit is contained in:
swung0x48
2026-07-27 22:51:26 -04:00
parent d076c29146
commit 8a0a8a0274
8 changed files with 207 additions and 117 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/PipelineFactory.cpp
+13 -4
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@@ -8,6 +8,7 @@
#include "PipelineFactory.h"
#include <algorithm>
namespace MobileGL::MG_Backend::DirectVulkan {
static const char* PrimitiveTopologyToString(VkPrimitiveTopology topology) {
@@ -297,10 +298,18 @@ namespace MobileGL::MG_Backend::DirectVulkan {
return evicted;
}
Uint32 PipelineFactory::EvictByRenderPass(VkRenderPass renderPass) {
Uint32 PipelineFactory::EvictByRenderPasses(const Vector<VkRenderPass>& renderPasses) {
if (renderPasses.empty() || m_cache.empty()) {
return 0;
}
// Sorted-batch membership test keeps a mass eviction (shader-pack switch,
// dimension exit) at one O(cache * log batch) scan instead of one full scan
// per dying pass.
Vector<VkRenderPass> sortedPasses = renderPasses;
std::sort(sortedPasses.begin(), sortedPasses.end());
Uint32 evicted = 0;
for (auto it = m_cache.begin(); it != m_cache.end();) {
if (it->second.renderPass == renderPass) {
if (std::binary_search(sortedPasses.begin(), sortedPasses.end(), it->second.renderPass)) {
if (it->second.pipeline != VK_NULL_HANDLE) {
vkDestroyPipeline(m_device, it->second.pipeline, nullptr);
}
@@ -311,8 +320,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
}
}
if (evicted > 0) {
MGLOG_D("PipelineFactory::EvictByRenderPass: evicted %u pipelines for destroyed render pass",
evicted);
MGLOG_D("PipelineFactory::EvictByRenderPasses: evicted %u pipelines for %zu destroyed render passes",
evicted, sortedPasses.size());
}
return evicted;
}