src/dawn/native/d3d/SharedFenceD3D.cpp

// Copyright 2023 The Dawn & Tint Authors
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#include "dawn/native/d3d/SharedFenceD3D.h"

#include "dawn/native/ChainUtils.h"
#include "dawn/native/d3d/DeviceD3D.h"

namespace dawn::native::d3d {

SharedFence::SharedFence(Device* device, const char* label, HANDLE ownedHandle)
    : SharedFenceBase(device, label), mHandle(ownedHandle) {}

SharedFence::~SharedFence() {
    if (mHandle) {
        ::CloseHandle(mHandle);
    }
}

MaybeError SharedFence::ExportInfoImpl(SharedFenceExportInfo* info) const {
    info->type = wgpu::SharedFenceType::DXGISharedHandle;

    DAWN_TRY(
        ValidateSingleSType(info->nextInChain, wgpu::SType::SharedFenceDXGISharedHandleExportInfo));

    SharedFenceDXGISharedHandleExportInfo* exportInfo = nullptr;
    FindInChain(info->nextInChain, &exportInfo);

    if (exportInfo != nullptr) {
        exportInfo->handle = mHandle;
    }
    return {};
}

}  // namespace dawn::native::d3d