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[dxvk] Handle dead chunks in pool allocator

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Philip Rebohle 2024-10-18 12:42:30 +02:00 committed by Philip Rebohle
parent a9bcb40655
commit c7a9c626f5
1 changed files with 22 additions and 0 deletions
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22
src/dxvk/dxvk_allocator.cpp
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@ -374,6 +374,28 @@ namespace dxvk {
// Obtain a page for the size category
int32_t pageIndex = m_pageLists[listIndex].head;
if (likely(pageIndex >= 0)) {
uint32_t chunkIndex = uint32_t(pageIndex) >> DxvkPageAllocator::ChunkPageBits;
// If the selected page is from a dead chunk, do not allocate
// into it anymore so that the chunk can actually be freed.
if (unlikely(!m_pageAllocator->chunkIsAvailable(chunkIndex))) {
int32_t nextIndex = pageIndex;
do {
// This works because we add pages to the end
removePageFromList(nextIndex, listIndex);
addPageToList(nextIndex, listIndex);
nextIndex = m_pageLists[listIndex].head;
chunkIndex = uint32_t(nextIndex) >> DxvkPageAllocator::ChunkPageBits;
} while (nextIndex != pageIndex && !m_pageAllocator->chunkIsAvailable(chunkIndex));
// Allocate a new page if the entire list is dead
pageIndex = nextIndex != pageIndex ? nextIndex : -1;
}
}
if (unlikely(pageIndex < 0)) {
if ((pageIndex = allocPage(listIndex)) < 0)
return -1;