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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <climits>
#include <vector>
#include "common/common_types.h"
#include "video_core/renderer_vulkan/vk_memory_manager.h"
#include "video_core/vulkan_common/vulkan_wrapper.h"
namespace Vulkan {
class VKDevice;
class VKScheduler;
struct VKBuffer final {
vk::Buffer handle;
VKMemoryCommit commit;
};
class VKStagingBufferPool final {
public:
explicit VKStagingBufferPool(const VKDevice& device, VKMemoryManager& memory_manager,
VKScheduler& scheduler);
~VKStagingBufferPool();
VKBuffer& GetUnusedBuffer(std::size_t size, bool host_visible);
void TickFrame();
private:
struct StagingBuffer final {
explicit StagingBuffer(std::unique_ptr<VKBuffer> buffer);
std::unique_ptr<VKBuffer> buffer;
u64 tick = 0;
};
struct StagingBuffers final {
std::vector<StagingBuffer> entries;
std::size_t delete_index = 0;
};
static constexpr std::size_t NumLevels = sizeof(std::size_t) * CHAR_BIT;
using StagingBuffersCache = std::array<StagingBuffers, NumLevels>;
VKBuffer* TryGetReservedBuffer(std::size_t size, bool host_visible);
VKBuffer& CreateStagingBuffer(std::size_t size, bool host_visible);
StagingBuffersCache& GetCache(bool host_visible);
void ReleaseCache(bool host_visible);
u64 ReleaseLevel(StagingBuffersCache& cache, std::size_t log2);
const VKDevice& device;
VKMemoryManager& memory_manager;
VKScheduler& scheduler;
StagingBuffersCache host_staging_buffers;
StagingBuffersCache device_staging_buffers;
std::size_t current_delete_level = 0;
};
} // namespace Vulkan
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