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Diffstat (limited to '')
-rw-r--r-- | src/video_core/renderer_vulkan/vk_memory_manager.h | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/src/video_core/renderer_vulkan/vk_memory_manager.h b/src/video_core/renderer_vulkan/vk_memory_manager.h deleted file mode 100644 index 2452bca4e..000000000 --- a/src/video_core/renderer_vulkan/vk_memory_manager.h +++ /dev/null @@ -1,132 +0,0 @@ -// Copyright 2019 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <memory> -#include <span> -#include <utility> -#include <vector> -#include "common/common_types.h" -#include "video_core/vulkan_common/vulkan_wrapper.h" - -namespace Vulkan { - -class Device; -class MemoryMap; -class VKMemoryAllocation; -class VKMemoryCommitImpl; - -using VKMemoryCommit = std::unique_ptr<VKMemoryCommitImpl>; - -class VKMemoryManager final { -public: - explicit VKMemoryManager(const Device& device_); - VKMemoryManager(const VKMemoryManager&) = delete; - ~VKMemoryManager(); - - /** - * Commits a memory with the specified requeriments. - * @param requirements Requirements returned from a Vulkan call. - * @param host_visible Signals the allocator that it *must* use host visible and coherent - * memory. When passing false, it will try to allocate device local memory. - * @returns A memory commit. - */ - VKMemoryCommit Commit(const VkMemoryRequirements& requirements, bool host_visible); - - /// Commits memory required by the buffer and binds it. - VKMemoryCommit Commit(const vk::Buffer& buffer, bool host_visible); - - /// Commits memory required by the image and binds it. - VKMemoryCommit Commit(const vk::Image& image, bool host_visible); - -private: - /// Allocates a chunk of memory. - bool AllocMemory(VkMemoryPropertyFlags wanted_properties, u32 type_mask, u64 size); - - /// Tries to allocate a memory commit. - VKMemoryCommit TryAllocCommit(const VkMemoryRequirements& requirements, - VkMemoryPropertyFlags wanted_properties); - - const Device& device; ///< Device handler. - const VkPhysicalDeviceMemoryProperties properties; ///< Physical device properties. - std::vector<std::unique_ptr<VKMemoryAllocation>> allocations; ///< Current allocations. -}; - -class VKMemoryCommitImpl final { - friend VKMemoryAllocation; - friend MemoryMap; - -public: - explicit VKMemoryCommitImpl(const Device& device_, VKMemoryAllocation* allocation_, - const vk::DeviceMemory& memory_, u64 begin_, u64 end_); - ~VKMemoryCommitImpl(); - - /// Maps a memory region and returns a pointer to it. - /// It's illegal to have more than one memory map at the same time. - MemoryMap Map(u64 size, u64 offset = 0) const; - - /// Maps the whole commit and returns a pointer to it. - /// It's illegal to have more than one memory map at the same time. - MemoryMap Map() const; - - /// Returns the Vulkan memory handler. - VkDeviceMemory GetMemory() const { - return *memory; - } - - /// Returns the start position of the commit relative to the allocation. - VkDeviceSize GetOffset() const { - return static_cast<VkDeviceSize>(interval.first); - } - -private: - /// Unmaps memory. - void Unmap() const; - - const Device& device; ///< Vulkan device. - const vk::DeviceMemory& memory; ///< Vulkan device memory handler. - std::pair<u64, u64> interval{}; ///< Interval where the commit exists. - VKMemoryAllocation* allocation{}; ///< Pointer to the large memory allocation. -}; - -/// Holds ownership of a memory map. -class MemoryMap final { -public: - explicit MemoryMap(const VKMemoryCommitImpl* commit_, std::span<u8> span_) - : commit{commit_}, span{span_} {} - - ~MemoryMap() { - if (commit) { - commit->Unmap(); - } - } - - /// Prematurely releases the memory map. - void Release() { - commit->Unmap(); - commit = nullptr; - } - - /// Returns a span to the memory map. - [[nodiscard]] std::span<u8> Span() const noexcept { - return span; - } - - /// Returns the address of the memory map. - [[nodiscard]] u8* Address() const noexcept { - return span.data(); - } - - /// Returns the address of the memory map; - [[nodiscard]] operator u8*() const noexcept { - return span.data(); - } - -private: - const VKMemoryCommitImpl* commit{}; ///< Mapped memory commit. - std::span<u8> span; ///< Address to the mapped memory. -}; - -} // namespace Vulkan |