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// Copyright 2020 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/QuerySet.h"
#include <set>
#include "dawn/native/Device.h"
#include "dawn/native/Features.h"
#include "dawn/native/ObjectType_autogen.h"
#include "dawn/native/ValidationUtils_autogen.h"
namespace dawn::native {
namespace {
class ErrorQuerySet final : public QuerySetBase {
public:
explicit ErrorQuerySet(DeviceBase* device, const QuerySetDescriptor* descriptor)
: QuerySetBase(device, descriptor, ObjectBase::kError) {}
private:
void DestroyImpl() override { DAWN_UNREACHABLE(); }
};
} // anonymous namespace
MaybeError ValidateQuerySetDescriptor(DeviceBase* device, const QuerySetDescriptor* descriptor) {
DAWN_INVALID_IF(descriptor->nextInChain != nullptr, "nextInChain must be nullptr");
DAWN_TRY(ValidateQueryType(descriptor->type));
DAWN_INVALID_IF(descriptor->count > kMaxQueryCount,
"Query count (%u) exceeds the maximum query count (%u).", descriptor->count,
kMaxQueryCount);
switch (descriptor->type) {
case wgpu::QueryType::Occlusion:
break;
case wgpu::QueryType::Timestamp:
DAWN_INVALID_IF(
!device->HasFeature(Feature::TimestampQuery) &&
!device->HasFeature(Feature::ChromiumExperimentalTimestampQueryInsidePasses),
"Timestamp query set created without the feature being enabled.");
break;
default:
break;
}
return {};
}
QuerySetBase::QuerySetBase(DeviceBase* device, const QuerySetDescriptor* descriptor)
: ApiObjectBase(device, descriptor->label),
mQueryType(descriptor->type),
mQueryCount(descriptor->count),
mState(QuerySetState::Available) {
mQueryAvailability.resize(descriptor->count);
GetObjectTrackingList()->Track(this);
}
QuerySetBase::QuerySetBase(DeviceBase* device,
const QuerySetDescriptor* descriptor,
ObjectBase::ErrorTag tag)
: ApiObjectBase(device, tag, descriptor->label),
mQueryType(descriptor->type),
mQueryCount(descriptor->count) {}
QuerySetBase::~QuerySetBase() {
// Uninitialized or already destroyed
DAWN_ASSERT(mState == QuerySetState::Unavailable || mState == QuerySetState::Destroyed);
}
void QuerySetBase::DestroyImpl() {
// TODO(crbug.com/dawn/831): DestroyImpl is called from two places.
// - It may be called if the query set is explicitly destroyed with APIDestroy.
// This case is NOT thread-safe and needs proper synchronization with other
// simultaneous uses of the query set.
// - It may be called when the last ref to the query set is dropped and it
// is implicitly destroyed. This case is thread-safe because there are no
// other threads using the query set since there are no other live refs.
mState = QuerySetState::Destroyed;
}
// static
Ref<QuerySetBase> QuerySetBase::MakeError(DeviceBase* device,
const QuerySetDescriptor* descriptor) {
return AcquireRef(new ErrorQuerySet(device, descriptor));
}
ObjectType QuerySetBase::GetType() const {
return ObjectType::QuerySet;
}
wgpu::QueryType QuerySetBase::GetQueryType() const {
return mQueryType;
}
uint32_t QuerySetBase::GetQueryCount() const {
return mQueryCount;
}
const std::vector<bool>& QuerySetBase::GetQueryAvailability() const {
return mQueryAvailability;
}
void QuerySetBase::SetQueryAvailability(uint32_t index, bool available) {
mQueryAvailability[index] = available;
}
MaybeError QuerySetBase::ValidateCanUseInSubmitNow() const {
DAWN_ASSERT(!IsError());
DAWN_INVALID_IF(mState == QuerySetState::Destroyed, "%s used while destroyed.", this);
return {};
}
void QuerySetBase::APIDestroy() {
Destroy();
}
wgpu::QueryType QuerySetBase::APIGetType() const {
return mQueryType;
}
uint32_t QuerySetBase::APIGetCount() const {
return mQueryCount;
}
} // namespace dawn::native