74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
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// Copyright (C) 2018 The Android Open Source Project
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// Copyright (C) 2018 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "HostVisibleMemoryVirtualization.h"
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#include <log/log.h>
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#include <set>
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#include "../OpenglSystemCommon/EmulatorFeatureInfo.h"
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#include "ResourceTracker.h"
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#include "Resources.h"
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#include "VkEncoder.h"
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#include "aemu/base/AndroidSubAllocator.h"
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using android::base::guest::SubAllocator;
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namespace gfxstream {
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namespace vk {
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bool isHostVisible(const VkPhysicalDeviceMemoryProperties* memoryProps, uint32_t index) {
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return memoryProps->memoryTypes[index].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT;
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}
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CoherentMemory::CoherentMemory(VirtGpuBlobMappingPtr blobMapping, uint64_t size, VkDevice device,
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VkDeviceMemory memory)
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: mSize(size), mBlobMapping(blobMapping), mDevice(device), mMemory(memory) {
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mAllocator =
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std::make_unique<android::base::guest::SubAllocator>(blobMapping->asRawPtr(), mSize, 4096);
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}
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CoherentMemory::CoherentMemory(GoldfishAddressSpaceBlockPtr block, uint64_t gpuAddr, uint64_t size,
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VkDevice device, VkDeviceMemory memory)
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: mSize(size), mBlock(block), mDevice(device), mMemory(memory) {
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void* address = block->mmap(gpuAddr);
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mAllocator =
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std::make_unique<android::base::guest::SubAllocator>(address, mSize, kLargestPageSize);
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}
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CoherentMemory::~CoherentMemory() {
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ResourceTracker::getThreadLocalEncoder()->vkFreeMemorySyncGOOGLE(mDevice, mMemory, nullptr,
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false);
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}
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VkDeviceMemory CoherentMemory::getDeviceMemory() const { return mMemory; }
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bool CoherentMemory::subAllocate(uint64_t size, uint8_t** ptr, uint64_t& offset) {
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auto address = mAllocator->alloc(size);
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if (!address) return false;
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*ptr = (uint8_t*)address;
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offset = mAllocator->getOffset(address);
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return true;
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}
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bool CoherentMemory::release(uint8_t* ptr) {
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mAllocator->free(ptr);
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return true;
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}
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} // namespace vk
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} // namespace gfxstream
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