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// Copyright (C) 2018 The Android Open Source Project
// Copyright (C) 2018 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <vulkan/vulkan.h>
#include "aemu/base/AndroidSubAllocator.h"
#include "goldfish_address_space.h"
constexpr uint64_t kMegaBtye = 1048576;
// This needs to be a power of 2 that is at least the min alignment needed
// in HostVisibleMemoryVirtualization.cpp.
// Some Windows drivers require a 64KB alignment for suballocated memory (b:152769369) for YUV
// images.
constexpr uint64_t kLargestPageSize = 65536;
constexpr uint64_t kDefaultHostMemBlockSize = 16 * kMegaBtye; // 16 mb
constexpr uint64_t kHostVisibleHeapSize = 512 * kMegaBtye; // 512 mb
#include "VirtGpu.h"
namespace goldfish_vk {
bool isHostVisible(const VkPhysicalDeviceMemoryProperties* memoryProps, uint32_t index);
using GoldfishAddressSpaceBlockPtr = std::shared_ptr<GoldfishAddressSpaceBlock>;
using SubAllocatorPtr = std::unique_ptr<android::base::guest::SubAllocator>;
class CoherentMemory {
public:
CoherentMemory(VirtGpuBlobMappingPtr blobMapping, uint64_t size, VkDevice device,
VkDeviceMemory memory);
CoherentMemory(GoldfishAddressSpaceBlockPtr block, uint64_t gpuAddr, uint64_t size,
VkDevice device, VkDeviceMemory memory);
~CoherentMemory();
VkDeviceMemory getDeviceMemory() const;
bool subAllocate(uint64_t size, uint8_t** ptr, uint64_t& offset);
bool release(uint8_t* ptr);
private:
CoherentMemory(CoherentMemory const&);
void operator=(CoherentMemory const&);
uint64_t mSize;
VirtGpuBlobMappingPtr mBlobMapping = nullptr;
GoldfishAddressSpaceBlockPtr mBlock = nullptr;
VkDevice mDevice;
VkDeviceMemory mMemory;
SubAllocatorPtr mAllocator;
};
using CoherentMemoryPtr = std::shared_ptr<CoherentMemory>;
} // namespace goldfish_vk