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// Copyright 2018 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 <mutex>
#include <utility>
#include "absl/strings/str_format.h"
#include "dawn/native/Adapter.h"
#include "dawn/native/Device.h"
#include "dawn/native/ObjectBase.h"
#include "dawn/native/ObjectType_autogen.h"
namespace dawn::native {
static constexpr uint64_t kErrorPayload = 0;
static constexpr uint64_t kNotErrorPayload = 1;
ErrorMonad::ErrorMonad() : RefCounted(kNotErrorPayload) {}
ErrorMonad::ErrorMonad(ErrorTag) : RefCounted(kErrorPayload) {}
bool ErrorMonad::IsError() const {
return GetRefCountPayload() == kErrorPayload;
}
ObjectBase::ObjectBase(DeviceBase* device) : ErrorMonad(), mDevice(device) {}
ObjectBase::ObjectBase(DeviceBase* device, ErrorTag) : ErrorMonad(kError), mDevice(device) {}
InstanceBase* ObjectBase::GetInstance() const {
return mDevice->GetAdapter()->GetPhysicalDevice()->GetInstance();
}
DeviceBase* ObjectBase::GetDevice() const {
return mDevice.Get();
}
void ApiObjectList::Track(ApiObjectBase* object) {
if (mMarkedDestroyed) {
object->DestroyImpl();
return;
}
std::lock_guard<std::mutex> lock(mMutex);
mObjects.Prepend(object);
}
bool ApiObjectList::Untrack(ApiObjectBase* object) {
std::lock_guard<std::mutex> lock(mMutex);
return object->RemoveFromList();
}
void ApiObjectList::Destroy() {
LinkedList<ApiObjectBase> objects;
{
std::lock_guard<std::mutex> lock(mMutex);
mMarkedDestroyed = true;
mObjects.MoveInto(&objects);
}
while (!objects.empty()) {
auto* head = objects.head();
bool removed = head->RemoveFromList();
DAWN_ASSERT(removed);
head->value()->DestroyImpl();
}
}
ApiObjectBase::ApiObjectBase(DeviceBase* device, const char* label) : ObjectBase(device) {
if (label) {
mLabel = label;
}
}
ApiObjectBase::ApiObjectBase(DeviceBase* device, ErrorTag tag, const char* label)
: ObjectBase(device, tag) {
if (label) {
mLabel = label;
}
}
ApiObjectBase::ApiObjectBase(DeviceBase* device, LabelNotImplementedTag tag) : ObjectBase(device) {}
ApiObjectBase::~ApiObjectBase() {
DAWN_ASSERT(!IsAlive());
}
void ApiObjectBase::APISetLabel(const char* label) {
SetLabel(label);
}
void ApiObjectBase::SetLabel(std::string label) {
mLabel = std::move(label);
SetLabelImpl();
}
const std::string& ApiObjectBase::GetLabel() const {
return mLabel;
}
void ApiObjectBase::FormatLabel(absl::FormatSink* s) const {
s->Append(ObjectTypeAsString(GetType()));
if (!mLabel.empty()) {
s->Append(absl::StrFormat(" \"%s\"", mLabel));
}
}
void ApiObjectBase::SetLabelImpl() {}
bool ApiObjectBase::IsAlive() const {
return IsInList();
}
void ApiObjectBase::DeleteThis() {
Destroy();
RefCounted::DeleteThis();
}
void ApiObjectBase::LockAndDeleteThis() {
auto deviceLock(GetDevice()->GetScopedLockSafeForDelete());
DeleteThis();
}
ApiObjectList* ApiObjectBase::GetObjectTrackingList() {
DAWN_ASSERT(GetDevice() != nullptr);
return GetDevice()->GetObjectTrackingList(GetType());
}
void ApiObjectBase::Destroy() {
ApiObjectList* list = GetObjectTrackingList();
DAWN_ASSERT(list != nullptr);
if (list->Untrack(this)) {
DestroyImpl();
}
}
} // namespace dawn::native