From a2b6de7e9fd2a2e4956a83a16ded12f3ccfa0ed6 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Thu, 14 Feb 2019 13:35:03 -0300 Subject: vk_resource_manager: Add VKFencedPool interface Handles a pool of resources protected by fences. Manages resource overflow allocating more resources. This class is intended to be used through inheritance. --- .../renderer_vulkan/vk_resource_manager.h | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'src/video_core/renderer_vulkan/vk_resource_manager.h') diff --git a/src/video_core/renderer_vulkan/vk_resource_manager.h b/src/video_core/renderer_vulkan/vk_resource_manager.h index c8759f779..1fd68bb4c 100644 --- a/src/video_core/renderer_vulkan/vk_resource_manager.h +++ b/src/video_core/renderer_vulkan/vk_resource_manager.h @@ -118,6 +118,38 @@ 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> 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. -- cgit v1.2.3