#include "D3D12HostDevice.h"

namespace XCEngine::UI::Editor::Host {

bool D3D12HostDevice::InitializeFrameCompletionFence() {
    ReleaseFrameCompletionFence();

    ID3D12Device* device = GetDevice();
    if (device == nullptr) {
        return false;
    }

    const HRESULT hr = device->CreateFence(
        0u,
        D3D12_FENCE_FLAG_NONE,
        IID_PPV_ARGS(m_frameCompletionFence.ReleaseAndGetAddressOf()));
    if (FAILED(hr)) {
        return false;
    }

    m_frameCompletionEvent = CreateEventW(nullptr, FALSE, FALSE, nullptr);
    if (m_frameCompletionEvent == nullptr) {
        m_frameCompletionFence.Reset();
        return false;
    }

    m_lastSubmittedFrameValue = 0u;
    return true;
}

void D3D12HostDevice::ReleaseFrameCompletionFence() {
    if (m_frameCompletionEvent != nullptr) {
        CloseHandle(m_frameCompletionEvent);
        m_frameCompletionEvent = nullptr;
    }

    m_frameCompletionFence.Reset();
    m_frameFenceValues.fill(0u);
    m_lastSubmittedFrameValue = 0u;
}

} // namespace XCEngine::UI::Editor::Host