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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "dawn/native/SharedFence.h"
#include "dawn/native/ChainUtils.h"
#include "dawn/native/Device.h"
#include "dawn/native/dawn_platform.h"
namespace dawn::native {
namespace {
class ErrorSharedFence : public SharedFenceBase {
public:
ErrorSharedFence(DeviceBase* device, const SharedFenceDescriptor* descriptor)
: SharedFenceBase(device, descriptor, ObjectBase::kError) {}
MaybeError ExportInfoImpl(UnpackedPtr<SharedFenceExportInfo>& info) const override {
DAWN_UNREACHABLE();
}
};
} // namespace
// static
Ref<SharedFenceBase> SharedFenceBase::MakeError(DeviceBase* device,
const SharedFenceDescriptor* descriptor) {
return AcquireRef(new ErrorSharedFence(device, descriptor));
}
SharedFenceBase::SharedFenceBase(DeviceBase* device,
const SharedFenceDescriptor* descriptor,
ObjectBase::ErrorTag tag)
: ApiObjectBase(device, tag, descriptor->label) {}
SharedFenceBase::SharedFenceBase(DeviceBase* device, const char* label)
: ApiObjectBase(device, label) {}
ObjectType SharedFenceBase::GetType() const {
return ObjectType::SharedFence;
}
void SharedFenceBase::APIExportInfo(SharedFenceExportInfo* info) const {
DAWN_UNUSED(GetDevice()->ConsumedError(ExportInfo(info)));
}
void SharedFenceBase::DestroyImpl() {}
MaybeError SharedFenceBase::ExportInfo(SharedFenceExportInfo* info) const {
// Set the type to undefined. It will be overwritten to the actual type
// as long as no error occurs.
info->type = wgpu::SharedFenceType::Undefined;
DAWN_TRY(GetDevice()->ValidateObject(this));
UnpackedPtr<SharedFenceExportInfo> unpacked;
DAWN_TRY_ASSIGN(unpacked, ValidateAndUnpack(info));
return ExportInfoImpl(unpacked);
}
} // namespace dawn::native