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Fix memory-scan bug in VulkanDeviceAllocator that probably causes some fragmentation.

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This commit is contained in:
Henrik Rydgård 2017-12-03 11:10:40 +01:00
parent 1bf44b7ca3
commit ac6b491287
1 changed files with 3 additions and 2 deletions
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5
Common/Vulkan/VulkanMemory.cpp
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@ -246,15 +246,16 @@ bool VulkanDeviceAllocator::AllocateFromSlab(Slab &slab, size_t &start, size_t b
return false; return false;
} }
// Slow linear scan.
for (size_t i = 0; i < blocks; ++i) { for (size_t i = 0; i < blocks; ++i) {
if (slab.usage[start + i]) { if (slab.usage[start + i]) {
// If we just ran into one, there's probably an allocation size. // If we just ran into one, there's probably an allocation size.
auto it = slab.allocSizes.find(start + i); auto it = slab.allocSizes.find(start + i);
if (it != slab.allocSizes.end()) { if (it != slab.allocSizes.end()) {
start += i + it->second; start += it->second;
} else { } else {
// We don't know how big it is, so just skip to the next one. // We don't know how big it is, so just skip to the next one.
start += i + 1; start += 1;
} }
return false; return false;
} }