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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2020-09-10 08:43:30 +0200 |
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committer | ReinUsesLisp <reinuseslisp@airmail.cc> | 2020-09-19 06:46:37 +0200 |
commit | 58b0ae84b56996304b6ad373e4f6cff2cf6bdd41 (patch) | |
tree | 9b7c3e28fa7445c78304902efe660356c59cad57 /src/video_core/renderer_vulkan/vk_resource_manager.h | |
parent | Merge pull request #4663 from ReinUsesLisp/wswitch (diff) | |
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Diffstat (limited to 'src/video_core/renderer_vulkan/vk_resource_manager.h')
-rw-r--r-- | src/video_core/renderer_vulkan/vk_resource_manager.h | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/src/video_core/renderer_vulkan/vk_resource_manager.h b/src/video_core/renderer_vulkan/vk_resource_manager.h deleted file mode 100644 index f683d2276..000000000 --- a/src/video_core/renderer_vulkan/vk_resource_manager.h +++ /dev/null @@ -1,196 +0,0 @@ -// Copyright 2018 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <cstddef> -#include <memory> -#include <vector> -#include "video_core/renderer_vulkan/wrapper.h" - -namespace Vulkan { - -class VKDevice; -class VKFence; -class VKResourceManager; - -class CommandBufferPool; - -/// Interface for a Vulkan resource -class VKResource { -public: - explicit VKResource(); - virtual ~VKResource(); - - /** - * Signals the object that an owning fence has been signaled. - * @param signaling_fence Fence that signals its usage end. - */ - virtual void OnFenceRemoval(VKFence* signaling_fence) = 0; -}; - -/** - * Fences take ownership of objects, protecting them from GPU-side or driver-side concurrent access. - * They must be commited from the resource manager. Their usage flow is: commit the fence from the - * resource manager, protect resources with it and use them, send the fence to an execution queue - * and Wait for it if needed and then call Release. Used resources will automatically be signaled - * when they are free to be reused. - * @brief Protects resources for concurrent usage and signals its release. - */ -class VKFence { - friend class VKResourceManager; - -public: - explicit VKFence(const VKDevice& device); - ~VKFence(); - - /** - * Waits for the fence to be signaled. - * @warning You must have ownership of the fence and it has to be previously sent to a queue to - * call this function. - */ - void Wait(); - - /** - * Releases ownership of the fence. Pass after it has been sent to an execution queue. - * Unmanaged usage of the fence after the call will result in undefined behavior because it may - * be being used for something else. - */ - void Release(); - - /// Protects a resource with this fence. - void Protect(VKResource* resource); - - /// Removes protection for a resource. - void Unprotect(VKResource* resource); - - /// Redirects one protected resource to a new address. - void RedirectProtection(VKResource* old_resource, VKResource* new_resource) noexcept; - - /// Retreives the fence. - operator VkFence() const { - return *handle; - } - -private: - /// Take ownership of the fence. - void Commit(); - - /** - * Updates the fence status. - * @warning Waiting for the owner might soft lock the execution. - * @param gpu_wait Wait for the fence to be signaled by the driver. - * @param owner_wait Wait for the owner to signal its freedom. - * @returns True if the fence is free. Waiting for gpu and owner will always return true. - */ - bool Tick(bool gpu_wait, bool owner_wait); - - const VKDevice& device; ///< Device handler - vk::Fence handle; ///< Vulkan fence - std::vector<VKResource*> protected_resources; ///< List of resources protected by this fence - bool is_owned = false; ///< The fence has been commited but not released yet. - bool is_used = false; ///< The fence has been commited but it has not been checked to be free. -}; - -/** - * A fence watch is used to keep track of the usage of a fence and protect a resource or set of - * resources without having to inherit VKResource from their handlers. - */ -class VKFenceWatch final : public VKResource { -public: - explicit VKFenceWatch(); - VKFenceWatch(VKFence& initial_fence); - VKFenceWatch(VKFenceWatch&&) noexcept; - VKFenceWatch(const VKFenceWatch&) = delete; - ~VKFenceWatch() override; - - VKFenceWatch& operator=(VKFenceWatch&&) noexcept; - - /// Waits for the fence to be released. - void Wait(); - - /** - * Waits for a previous fence and watches a new one. - * @param new_fence New fence to wait to. - */ - void Watch(VKFence& new_fence); - - /** - * Checks if it's currently being watched and starts watching it if it's available. - * @returns True if a watch has started, false if it's being watched. - */ - bool TryWatch(VKFence& new_fence); - - void OnFenceRemoval(VKFence* signaling_fence) override; - - /** - * Do not use it paired with Watch. Use TryWatch instead. - * Returns true when the watch is free. - */ - bool IsUsed() const { - return fence != nullptr; - } - -private: - VKFence* fence{}; ///< Fence watching this resource. nullptr when the watch is free. -}; - -/** - * Handles a pool of resources protected by fences. Manages resource overflow allocating more - * resources. - */ -class VKFencedPool { -public: - explicit VKFencedPool(std::size_t grow_step); - virtual ~VKFencedPool(); - -protected: - /** - * Commits a free resource and protects it with a fence. It may allocate new resources. - * @param fence Fence that protects the commited resource. - * @returns Index of the resource commited. - */ - std::size_t CommitResource(VKFence& fence); - - /// 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(); - - std::size_t grow_step = 0; ///< Number of new resources created after an overflow - std::size_t free_iterator = 0; ///< Hint to where the next free resources is likely to be found - std::vector<std::unique_ptr<VKFenceWatch>> watches; ///< Set of watched resources -}; - -/** - * The resource manager handles all resources that can be protected with a fence avoiding - * driver-side or GPU-side concurrent usage. Usage is documented in VKFence. - */ -class VKResourceManager final { -public: - explicit VKResourceManager(const VKDevice& device); - ~VKResourceManager(); - - /// Commits a fence. It has to be sent to a queue and released. - VKFence& CommitFence(); - - /// Commits an unused command buffer and protects it with a fence. - VkCommandBuffer CommitCommandBuffer(VKFence& fence); - -private: - /// Allocates new fences. - void GrowFences(std::size_t new_fences_count); - - const VKDevice& device; ///< Device handler. - std::size_t fences_iterator = 0; ///< Index where a free fence is likely to be found. - std::vector<std::unique_ptr<VKFence>> fences; ///< Pool of fences. - std::unique_ptr<CommandBufferPool> command_buffer_pool; ///< Pool of command buffers. -}; - -} // namespace Vulkan |