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Add support for zero-copy r/w buffer

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Change-Id: Ie9f3f2211d107eb338bd97692d36e9c7d7a0feab
This commit is contained in:
mplewka
2018-01-11 15:42:55 +01:00
parent 79e4b2c104
commit 2c2bbbcdbb
13 changed files with 694 additions and 17 deletions
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6
runtime/mem_obj/mem_obj.cpp
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@@ -350,4 +350,10 @@ void MemObj::destroyGraphicsAllocation(GraphicsAllocation *allocation, bool asyn
}
memoryManager->freeGraphicsMemory(allocation);
}
bool MemObj::checkIfMemoryTransferIsRequired(size_t offset, const void *ptr, cl_command_type cmdType) {
auto bufferStorage = ptrOffset(this->getCpuAddressForMemoryTransfer(), offset);
auto isMemTransferNeeded = !((bufferStorage == ptr) && (cmdType == CL_COMMAND_READ_BUFFER || cmdType == CL_COMMAND_WRITE_BUFFER));
return isMemTransferNeeded;
}
} // namespace OCLRT