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[dxvk] Consider driver allocations when computing memory budget

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Philip Rebohle 2024-10-23 12:46:20 +02:00 committed by Philip Rebohle
parent de400ae8a9
commit 62f266098e
1 changed files with 9 additions and 2 deletions
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11
src/dxvk/dxvk_memory.cpp
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@ -2060,8 +2060,15 @@ namespace dxvk {
vki->vkGetPhysicalDeviceMemoryProperties2(m_device->adapter()->handle(), &memInfo);
for (uint32_t i = 0; i < m_memHeapCount; i++) {
if (memBudget.heapBudget[i])
m_memHeaps[i].memoryBudget = std::min(memBudget.heapBudget[i], m_memHeaps[i].properties.size);
if (memBudget.heapBudget[i]) {
// Deduct driver-internal allocations from the resource budget
VkDeviceSize allocated = getMemoryStats(i).memoryAllocated;
VkDeviceSize internal = std::max(memBudget.heapUsage[i], allocated) - allocated;
internal = std::min(memBudget.heapBudget[i], internal);
m_memHeaps[i].memoryBudget = std::min(memBudget.heapBudget[i] - internal, m_memHeaps[i].properties.size);
}
}
}