52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
/*
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* Copyright (C) 2019-2020 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 "shared/source/helpers/constants.h"
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#include "shared/source/helpers/heap_helper.h"
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#include "shared/source/helpers/non_copyable_or_moveable.h"
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#include <memory>
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#include <unordered_map>
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#include <vector>
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namespace NEO {
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constexpr size_t ssAligment = MemoryConstants::cacheLineSize;
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class IndirectHeap;
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class GraphicsAllocation;
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struct SurfaceStateInHeapInfo {
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GraphicsAllocation *heapAllocation;
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uint64_t surfaceStateOffset;
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};
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class BindlessHeapsHelper {
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public:
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BindlessHeapsHelper(MemoryManager *memManager, bool isMultiOsContextCapable, const uint32_t rootDeviceIndex);
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~BindlessHeapsHelper();
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GraphicsAllocation *getHeapAllocation(size_t heapSize, size_t alignment);
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SurfaceStateInHeapInfo *allocateSSInHeap(size_t ssSize, void *ssPtr, GraphicsAllocation *surfaceAllocation);
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uint64_t getGlobalSshBase();
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void *getSpaceInSsh(size_t ssSize);
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uint32_t getDefaultBorderColorOffset();
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uint32_t getAlphaBorderColorOffset();
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protected:
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void growGlobalSSh();
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MemoryManager *memManager = nullptr;
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bool isMultiOsContextCapable = false;
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const uint32_t rootDeviceIndex;
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std::unique_ptr<IndirectHeap> specialSsh;
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std::unique_ptr<IndirectHeap> globalSsh;
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GraphicsAllocation *borderColorStates;
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std::vector<GraphicsAllocation *> ssHeapsAllocations;
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std::unordered_map<GraphicsAllocation *, std::unique_ptr<SurfaceStateInHeapInfo>> surfaceStateInHeapAllocationMap;
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};
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} // namespace NEO
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