impeller::KHRFrameSynchronizerVK Struct Reference

Public Member Functions
	KHRFrameSynchronizerVK (const vk::Device &device)
	~KHRFrameSynchronizerVK ()=default
bool	WaitForFence (const vk::Device &device)

Public Attributes
vk::UniqueFence	acquire
vk::UniqueSemaphore	render_ready
vk::UniqueSemaphore	present_ready
std::shared_ptr< CommandBuffer >	final_cmd_buffer
bool	is_valid = false

Detailed Description

Definition at line 28 of file khr_swapchain_impl_vk.cc.

Constructor & Destructor Documentation

KHRFrameSynchronizerVK()

impeller::KHRFrameSynchronizerVK::KHRFrameSynchronizerVK ( const vk::Device &  device )

inlineexplicit

Definition at line 35 of file khr_swapchain_impl_vk.cc.

                                                          {
    auto acquire_res = device.createFenceUnique(
        vk::FenceCreateInfo{vk::FenceCreateFlagBits::eSignaled});
    auto render_res = device.createSemaphoreUnique({});
    auto present_res = device.createSemaphoreUnique({});
    if (acquire_res.result != vk::Result::eSuccess ||
        render_res.result != vk::Result::eSuccess ||
        present_res.result != vk::Result::eSuccess) {
      VALIDATION_LOG << "Could not create synchronizer.";
      return;
    }
    acquire = std::move(acquire_res.value);
    render_ready = std::move(render_res.value);
    present_ready = std::move(present_res.value);
    is_valid = true;
  }

~KHRFrameSynchronizerVK()

impeller::KHRFrameSynchronizerVK::~KHRFrameSynchronizerVK ( )

default

Member Function Documentation

WaitForFence()

bool impeller::KHRFrameSynchronizerVK::WaitForFence ( const vk::Device &  device )

inline

Definition at line 54 of file khr_swapchain_impl_vk.cc.

                                            {
    if (auto result = device.waitForFences(
            *acquire,                             // fence
            true,                                 // wait all
            std::numeric_limits<uint64_t>::max()  // timeout (ns)
        );
        result != vk::Result::eSuccess) {
      VALIDATION_LOG << "Fence wait failed: " << vk::to_string(result);
      return false;
    }
    if (auto result = device.resetFences(*acquire);
        result != vk::Result::eSuccess) {
      VALIDATION_LOG << "Could not reset fence: " << vk::to_string(result);
      return false;
    }
    return true;
  }

Member Data Documentation

acquire

vk::UniqueFence impeller::KHRFrameSynchronizerVK::acquire

Definition at line 29 of file khr_swapchain_impl_vk.cc.

final_cmd_buffer

std::shared_ptr<CommandBuffer> impeller::KHRFrameSynchronizerVK::final_cmd_buffer

Definition at line 32 of file khr_swapchain_impl_vk.cc.

is_valid

bool impeller::KHRFrameSynchronizerVK::is_valid = false

Definition at line 33 of file khr_swapchain_impl_vk.cc.

present_ready

vk::UniqueSemaphore impeller::KHRFrameSynchronizerVK::present_ready

Definition at line 31 of file khr_swapchain_impl_vk.cc.

render_ready

vk::UniqueSemaphore impeller::KHRFrameSynchronizerVK::render_ready

Definition at line 30 of file khr_swapchain_impl_vk.cc.

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

• impeller/renderer/backend/vulkan/swapchain/khr/khr_swapchain_impl_vk.cc