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Allowing the creation of overlapping buffers

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Related-To: NEO-5871

Signed-off-by: Andrzej Koska <andrzej.koska@intel.com>
This commit is contained in:
Andrzej Koska
2021-06-02 13:57:28 +00:00
committed by Compute-Runtime-Automation
parent 33a2f49b21
commit 94c97fc14c
7 changed files with 86 additions and 5 deletions
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2
shared/source/memory_manager/memory_manager.cpp
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@@ -506,7 +506,7 @@ GraphicsAllocation *MemoryManager::allocateGraphicsMemory(const AllocationData &
if (allocationData.flags.shareable) {
return allocateShareableMemory(allocationData);
}
if (useNonSvmHostPtrAlloc(allocationData.type, allocationData.rootDeviceIndex)) {
if (useNonSvmHostPtrAlloc(allocationData.type, allocationData.rootDeviceIndex) || isNonSvmBuffer(allocationData.hostPtr, allocationData.type, allocationData.rootDeviceIndex)) {
auto allocation = allocateGraphicsMemoryForNonSvmHostPtr(allocationData);
if (allocation) {
allocation->setFlushL3Required(allocationData.flags.flushL3);

3
shared/source/memory_manager/memory_manager.h
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@@ -214,6 +214,9 @@ class MemoryManager {
LocalMemoryUsageBankSelector *getLocalMemoryUsageBankSelector(GraphicsAllocation::AllocationType allocationType, uint32_t rootDeviceIndex);
bool isLocalMemoryUsedForIsa(uint32_t rootDeviceIndex);
MOCKABLE_VIRTUAL bool isNonSvmBuffer(const void *hostPtr, GraphicsAllocation::AllocationType allocationType, uint32_t rootDeviceIndex) {
return !force32bitAllocations && hostPtr && !isHostPointerTrackingEnabled(rootDeviceIndex) && (allocationType == GraphicsAllocation::AllocationType::BUFFER_HOST_MEMORY);
}
protected:
bool getAllocationData(AllocationData &allocationData, const AllocationProperties &properties, const void *hostPtr, const StorageInfo &storageInfo);