impeller::BackgroundCommandPoolVK Class Reference

Public Member Functions
	BackgroundCommandPoolVK (BackgroundCommandPoolVK &&)=default
	BackgroundCommandPoolVK (vk::UniqueCommandPool &&pool, std::vector< vk::UniqueCommandBuffer > &&buffers, size_t unused_count, std::weak_ptr< CommandPoolRecyclerVK > recycler)
	~BackgroundCommandPoolVK ()

Static Public Attributes
static constexpr size_t	kUnusedCommandBufferLimit = 16u

Detailed Description

Definition at line 21 of file command_pool_vk.cc.

Constructor & Destructor Documentation

BackgroundCommandPoolVK() [1/2]

impeller::BackgroundCommandPoolVK::BackgroundCommandPoolVK ( BackgroundCommandPoolVK &&  )

default

BackgroundCommandPoolVK() [2/2]

impeller::BackgroundCommandPoolVK::BackgroundCommandPoolVK ( vk::UniqueCommandPool &&  pool, std::vector< vk::UniqueCommandBuffer > &&  buffers, size_t  unused_count, std::weak_ptr< CommandPoolRecyclerVK >  recycler  )

inlineexplicit

Definition at line 29 of file command_pool_vk.cc.

      : pool_(std::move(pool)),
        buffers_(std::move(buffers)),
        unused_count_(unused_count),
        recycler_(std::move(recycler)) {}

~BackgroundCommandPoolVK()

impeller::BackgroundCommandPoolVK::~BackgroundCommandPoolVK ( )

inline

Definition at line 39 of file command_pool_vk.cc.

                             {
    auto const recycler = recycler_.lock();
 
    // Not only does this prevent recycling when the context is being destroyed,
    // but it also prevents the destructor from effectively being called twice;
    // once for the original BackgroundCommandPoolVK() and once for the moved
    // BackgroundCommandPoolVK().
    if (!recycler) {
      return;
    }
    // If there are many unused command buffers, release some of them.
    if (unused_count_ > kUnusedCommandBufferLimit) {
      for (auto i = 0u; i < unused_count_; i++) {
        buffers_.pop_back();
      }
    }
 
    recycler->Reclaim(std::move(pool_), std::move(buffers_));
  }

Member Data Documentation

kUnusedCommandBufferLimit

constexpr size_t impeller::BackgroundCommandPoolVK::kUnusedCommandBufferLimit = 16u

staticconstexpr

Definition at line 27 of file command_pool_vk.cc.

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The documentation for this class was generated from the following file:

• impeller/renderer/backend/vulkan/command_pool_vk.cc