citra/src/video_core/renderer_vulkan/vk_resource_pool.h

68 lines
1.8 KiB
C++

// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <vector>
#include "common/common_types.h"
#include "video_core/renderer_vulkan/vk_common.h"
namespace Vulkan {
class Instance;
class MasterSemaphore;
/**
* Handles a pool of resources protected by fences. Manages resource overflow allocating more
* resources.
*/
class ResourcePool {
public:
explicit ResourcePool() = default;
explicit ResourcePool(MasterSemaphore* master_semaphore, std::size_t grow_step);
virtual ~ResourcePool() = default;
ResourcePool& operator=(ResourcePool&&) noexcept = default;
ResourcePool(ResourcePool&&) noexcept = default;
ResourcePool& operator=(const ResourcePool&) = default;
ResourcePool(const ResourcePool&) = default;
protected:
std::size_t CommitResource();
/// Called when a chunk of resources have to be allocated.
virtual void Allocate(std::size_t begin, std::size_t end) = 0;
private:
/// Manages pool overflow allocating new resources.
std::size_t ManageOverflow();
/// Allocates a new page of resources.
void Grow();
protected:
MasterSemaphore* master_semaphore{nullptr};
std::size_t grow_step = 0; ///< Number of new resources created after an overflow
std::size_t hint_iterator = 0; ///< Hint to where the next free resources is likely to be found
std::vector<u64> ticks; ///< Ticks for each resource
};
class CommandPool final : public ResourcePool {
public:
explicit CommandPool(const Instance& instance, MasterSemaphore* master_semaphore);
~CommandPool() override;
void Allocate(std::size_t begin, std::size_t end) override;
vk::CommandBuffer Commit();
private:
struct Pool;
const Instance& instance;
std::vector<Pool> pools;
};
} // namespace Vulkan