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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <span>
#include <vector>
#include <boost/container/static_vector.hpp>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/container/unordered_map.h"
#include "video_core/vulkan_common/vulkan_memory_allocator.h"
#include "video_core/vulkan_common/vulkan_wrapper.h"
namespace Vulkan {
using SparseBuffer = vk::Handle<VkBuffer, VkDevice, vk::DeviceDispatch>;
class Device;
class Scheduler;
struct MultiRangeSource {
VkBuffer handle{};
VkDeviceMemory memory{};
VkDeviceSize memory_offset{};
VkDeviceSize offset{};
VkDeviceSize size{};
u64 write_tick{};
u32 memory_type{};
};
struct MultiRangeRef {
VkBuffer handle{};
VkDeviceAddress address{};
VkDeviceSize size{};
bool sparse{};
bool needs_gather{};
};
class MultiRangeBufferCache final {
public:
static constexpr VkDeviceSize DEFAULT_BLOCK_SIZE = 64 * 1024;
static constexpr size_t MAX_RETIRED = 256;
explicit MultiRangeBufferCache(const Device& device);
YUZU_NON_COPYABLE(MultiRangeBufferCache);
[[nodiscard]] MultiRangeRef Get(const Device& device, Scheduler& scheduler,
MemoryAllocator& memory_allocator, u64 key,
std::span<const MultiRangeSource> sources,
VkDeviceSize total);
void MarkGathered(u64 key);
void Invalidate(u64 key);
void DropOwner(Scheduler& scheduler, VkBuffer owner);
VkDeviceSize block_size{DEFAULT_BLOCK_SIZE};
bool use_sparse{};
private:
struct Retired {
SparseBuffer handle;
vk::Buffer gathered;
u64 tick{};
};
struct Entry {
vk::Buffer gathered;
SparseBuffer sparse_handle;
std::vector<VkBuffer> owners;
VkDeviceAddress address{};
VkDeviceSize size{};
u64 geometry{};
u64 content{};
bool dirty{true};
};
[[nodiscard]] u64 HashSources(std::span<const MultiRangeSource> sources) const;
[[nodiscard]] u64 HashContent(std::span<const MultiRangeSource> sources) const;
[[nodiscard]] bool CanBindSparse(std::span<const MultiRangeSource> sources) const;
[[nodiscard]] SparseBuffer CreateSparse(const Device& device, Scheduler& scheduler,
std::span<const MultiRangeSource> sources,
VkDeviceSize total);
[[nodiscard]] VkDeviceSize QueryBlockSize(const Device& device, u32& memory_type_bits) const;
void RetireEntry(Scheduler& scheduler, Entry& entry);
void DrainRetired(Scheduler& scheduler);
::Common::unordered_map<u64, Entry> entries;
boost::container::static_vector<Retired, MAX_RETIRED> retired;
u32 sparse_memory_type_bits{};
VkBufferUsageFlags sparse_usage{};
};
} // namespace Vulkan
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