82 lines
3.9 KiB
C++
82 lines
3.9 KiB
C++
/*
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* Copyright (C) 2017-2018 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include "runtime/helpers/basic_math.h"
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#include "runtime/memory_manager/memory_manager.h"
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#include <map>
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namespace OCLRT {
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constexpr size_t bigAllocation = 1 * MB;
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constexpr uintptr_t dummyAddress = 0xFFFFF000u;
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class MemoryAllocation : public GraphicsAllocation {
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public:
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unsigned long long id;
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size_t sizeToFree = 0;
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bool uncacheable = false;
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void setSharedHandle(osHandle handle) { this->sharedHandle = handle; }
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MemoryAllocation(void *driverAllocatedCpuPointer, void *pMem, uint64_t gpuAddress, size_t memSize, uint64_t count, MemoryPool::Type pool, uint32_t osContextCount, bool isShareable) : GraphicsAllocation(pMem, gpuAddress, 0u, memSize, osContextCount, isShareable),
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id(count) {
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this->driverAllocatedCpuPointer = driverAllocatedCpuPointer;
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overrideMemoryPool(pool);
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}
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void overrideMemoryPool(MemoryPool::Type pool);
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};
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typedef std::map<void *, MemoryAllocation *> PointerMap;
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class OsAgnosticMemoryManager : public MemoryManager {
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public:
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using MemoryManager::allocateGraphicsMemory;
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using MemoryManager::createGraphicsAllocationFromSharedHandle;
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OsAgnosticMemoryManager(bool enable64kbPages, bool enableLocalMemory, ExecutionEnvironment &executionEnvironment) : OsAgnosticMemoryManager(enable64kbPages, enableLocalMemory, false, executionEnvironment){};
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OsAgnosticMemoryManager(bool enable64kbPages, bool enableLocalMemory, bool aubUsage, ExecutionEnvironment &executionEnvironment) : MemoryManager(enable64kbPages, enableLocalMemory, executionEnvironment) {
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allocator32Bit = std::unique_ptr<Allocator32bit>(create32BitAllocator(aubUsage));
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};
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~OsAgnosticMemoryManager() override;
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GraphicsAllocation *allocateGraphicsMemory64kb(size_t size, size_t alignment, bool forcePin, bool preferRenderCompressed) override;
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GraphicsAllocation *allocateGraphicsMemoryForNonSvmHostPtr(size_t size, void *cpuPtr) override;
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GraphicsAllocation *allocate32BitGraphicsMemory(size_t size, const void *ptr, AllocationOrigin allocationOrigin) override;
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GraphicsAllocation *createGraphicsAllocationFromSharedHandle(osHandle handle, bool requireSpecificBitness) override;
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GraphicsAllocation *createGraphicsAllocationFromNTHandle(void *handle) override { return nullptr; }
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GraphicsAllocation *allocateGraphicsMemoryForImage(ImageInfo &imgInfo, Gmm *gmm) override;
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GraphicsAllocation *allocateGraphicsMemoryInDevicePool(const AllocationData &allocationData, AllocationStatus &status) override;
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void addAllocationToHostPtrManager(GraphicsAllocation *gfxAllocation) override;
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void removeAllocationFromHostPtrManager(GraphicsAllocation *gfxAllocation) override;
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void freeGraphicsMemoryImpl(GraphicsAllocation *gfxAllocation) override;
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void *lockResource(GraphicsAllocation *graphicsAllocation) override { return nullptr; };
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void unlockResource(GraphicsAllocation *graphicsAllocation) override{};
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AllocationStatus populateOsHandles(OsHandleStorage &handleStorage) override;
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void cleanOsHandles(OsHandleStorage &handleStorage) override;
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uint64_t getSystemSharedMemory() override;
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uint64_t getMaxApplicationAddress() override;
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uint64_t getInternalHeapBaseAddress() override;
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GraphicsAllocation *createGraphicsAllocation(OsHandleStorage &handleStorage, size_t hostPtrSize, const void *hostPtr) override;
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void turnOnFakingBigAllocations();
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Allocator32bit *create32BitAllocator(bool enableLocalMemory);
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protected:
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GraphicsAllocation *allocateGraphicsMemoryWithAlignment(const AllocationData &allocationData) override;
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private:
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unsigned long long counter = 0;
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bool fakeBigAllocations = false;
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};
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} // namespace OCLRT
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