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-rw-r--r--src/video_core/renderer_vulkan/vk_memory_manager.cpp230
1 files changed, 0 insertions, 230 deletions
diff --git a/src/video_core/renderer_vulkan/vk_memory_manager.cpp b/src/video_core/renderer_vulkan/vk_memory_manager.cpp
deleted file mode 100644
index a6abd0eee..000000000
--- a/src/video_core/renderer_vulkan/vk_memory_manager.cpp
+++ /dev/null
@@ -1,230 +0,0 @@
-// Copyright 2018 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <optional>
-#include <tuple>
-#include <vector>
-
-#include "common/alignment.h"
-#include "common/assert.h"
-#include "common/common_types.h"
-#include "common/logging/log.h"
-#include "video_core/renderer_vulkan/vk_memory_manager.h"
-#include "video_core/vulkan_common/vulkan_device.h"
-#include "video_core/vulkan_common/vulkan_wrapper.h"
-
-namespace Vulkan {
-
-namespace {
-
-u64 GetAllocationChunkSize(u64 required_size) {
- static constexpr u64 sizes[] = {16ULL << 20, 32ULL << 20, 64ULL << 20, 128ULL << 20};
- auto it = std::lower_bound(std::begin(sizes), std::end(sizes), required_size);
- return it != std::end(sizes) ? *it : Common::AlignUp(required_size, 256ULL << 20);
-}
-
-} // Anonymous namespace
-
-class VKMemoryAllocation final {
-public:
- explicit VKMemoryAllocation(const Device& device_, vk::DeviceMemory memory_,
- VkMemoryPropertyFlags properties_, u64 allocation_size_, u32 type_)
- : device{device_}, memory{std::move(memory_)}, properties{properties_},
- allocation_size{allocation_size_}, shifted_type{ShiftType(type_)} {}
-
- VKMemoryCommit Commit(VkDeviceSize commit_size, VkDeviceSize alignment) {
- auto found = TryFindFreeSection(free_iterator, allocation_size,
- static_cast<u64>(commit_size), static_cast<u64>(alignment));
- if (!found) {
- found = TryFindFreeSection(0, free_iterator, static_cast<u64>(commit_size),
- static_cast<u64>(alignment));
- if (!found) {
- // Signal out of memory, it'll try to do more allocations.
- return nullptr;
- }
- }
- auto commit = std::make_unique<VKMemoryCommitImpl>(device, this, memory, *found,
- *found + commit_size);
- commits.push_back(commit.get());
-
- // Last commit's address is highly probable to be free.
- free_iterator = *found + commit_size;
-
- return commit;
- }
-
- void Free(const VKMemoryCommitImpl* commit) {
- ASSERT(commit);
-
- const auto it = std::find(std::begin(commits), std::end(commits), commit);
- if (it == commits.end()) {
- UNREACHABLE_MSG("Freeing unallocated commit!");
- return;
- }
- commits.erase(it);
- }
-
- /// Returns whether this allocation is compatible with the arguments.
- bool IsCompatible(VkMemoryPropertyFlags wanted_properties, u32 type_mask) const {
- return (wanted_properties & properties) && (type_mask & shifted_type) != 0;
- }
-
-private:
- static constexpr u32 ShiftType(u32 type) {
- return 1U << type;
- }
-
- /// A memory allocator, it may return a free region between "start" and "end" with the solicited
- /// requirements.
- std::optional<u64> TryFindFreeSection(u64 start, u64 end, u64 size, u64 alignment) const {
- u64 iterator = Common::AlignUp(start, alignment);
- while (iterator + size <= end) {
- const u64 try_left = iterator;
- const u64 try_right = try_left + size;
-
- bool overlap = false;
- for (const auto& commit : commits) {
- const auto [commit_left, commit_right] = commit->interval;
- if (try_left < commit_right && commit_left < try_right) {
- // There's an overlap, continue the search where the overlapping commit ends.
- iterator = Common::AlignUp(commit_right, alignment);
- overlap = true;
- break;
- }
- }
- if (!overlap) {
- // A free address has been found.
- return try_left;
- }
- }
-
- // No free regions where found, return an empty optional.
- return std::nullopt;
- }
-
- const Device& device; ///< Vulkan device.
- const vk::DeviceMemory memory; ///< Vulkan memory allocation handler.
- const VkMemoryPropertyFlags properties; ///< Vulkan properties.
- const u64 allocation_size; ///< Size of this allocation.
- const u32 shifted_type; ///< Stored Vulkan type of this allocation, shifted.
-
- /// Hints where the next free region is likely going to be.
- u64 free_iterator{};
-
- /// Stores all commits done from this allocation.
- std::vector<const VKMemoryCommitImpl*> commits;
-};
-
-VKMemoryManager::VKMemoryManager(const Device& device_)
- : device{device_}, properties{device_.GetPhysical().GetMemoryProperties()} {}
-
-VKMemoryManager::~VKMemoryManager() = default;
-
-VKMemoryCommit VKMemoryManager::Commit(const VkMemoryRequirements& requirements,
- bool host_visible) {
- const u64 chunk_size = GetAllocationChunkSize(requirements.size);
-
- // When a host visible commit is asked, search for host visible and coherent, otherwise search
- // for a fast device local type.
- const VkMemoryPropertyFlags wanted_properties =
- host_visible ? VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT
- : VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
-
- if (auto commit = TryAllocCommit(requirements, wanted_properties)) {
- return commit;
- }
-
- // Commit has failed, allocate more memory.
- if (!AllocMemory(wanted_properties, requirements.memoryTypeBits, chunk_size)) {
- // TODO(Rodrigo): Handle these situations in some way like flushing to guest memory.
- // Allocation has failed, panic.
- UNREACHABLE_MSG("Ran out of VRAM!");
- return {};
- }
-
- // Commit again, this time it won't fail since there's a fresh allocation above. If it does,
- // there's a bug.
- auto commit = TryAllocCommit(requirements, wanted_properties);
- ASSERT(commit);
- return commit;
-}
-
-VKMemoryCommit VKMemoryManager::Commit(const vk::Buffer& buffer, bool host_visible) {
- auto commit = Commit(device.GetLogical().GetBufferMemoryRequirements(*buffer), host_visible);
- buffer.BindMemory(commit->GetMemory(), commit->GetOffset());
- return commit;
-}
-
-VKMemoryCommit VKMemoryManager::Commit(const vk::Image& image, bool host_visible) {
- auto commit = Commit(device.GetLogical().GetImageMemoryRequirements(*image), host_visible);
- image.BindMemory(commit->GetMemory(), commit->GetOffset());
- return commit;
-}
-
-bool VKMemoryManager::AllocMemory(VkMemoryPropertyFlags wanted_properties, u32 type_mask,
- u64 size) {
- const u32 type = [&] {
- for (u32 type_index = 0; type_index < properties.memoryTypeCount; ++type_index) {
- const auto flags = properties.memoryTypes[type_index].propertyFlags;
- if ((type_mask & (1U << type_index)) && (flags & wanted_properties)) {
- // The type matches in type and in the wanted properties.
- return type_index;
- }
- }
- UNREACHABLE_MSG("Couldn't find a compatible memory type!");
- return 0U;
- }();
-
- // Try to allocate found type.
- vk::DeviceMemory memory = device.GetLogical().TryAllocateMemory({
- .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
- .pNext = nullptr,
- .allocationSize = size,
- .memoryTypeIndex = type,
- });
- if (!memory) {
- LOG_CRITICAL(Render_Vulkan, "Device allocation failed!");
- return false;
- }
-
- allocations.push_back(std::make_unique<VKMemoryAllocation>(device, std::move(memory),
- wanted_properties, size, type));
- return true;
-}
-
-VKMemoryCommit VKMemoryManager::TryAllocCommit(const VkMemoryRequirements& requirements,
- VkMemoryPropertyFlags wanted_properties) {
- for (auto& allocation : allocations) {
- if (!allocation->IsCompatible(wanted_properties, requirements.memoryTypeBits)) {
- continue;
- }
- if (auto commit = allocation->Commit(requirements.size, requirements.alignment)) {
- return commit;
- }
- }
- return {};
-}
-
-VKMemoryCommitImpl::VKMemoryCommitImpl(const Device& device_, VKMemoryAllocation* allocation_,
- const vk::DeviceMemory& memory_, u64 begin_, u64 end_)
- : device{device_}, memory{memory_}, interval{begin_, end_}, allocation{allocation_} {}
-
-VKMemoryCommitImpl::~VKMemoryCommitImpl() {
- allocation->Free(this);
-}
-
-MemoryMap VKMemoryCommitImpl::Map(u64 size, u64 offset_) const {
- return MemoryMap(this, std::span<u8>(memory.Map(interval.first + offset_, size), size));
-}
-
-void VKMemoryCommitImpl::Unmap() const {
- memory.Unmap();
-}
-
-MemoryMap VKMemoryCommitImpl::Map() const {
- return Map(interval.second - interval.first);
-}
-
-} // namespace Vulkan