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// Copyright 2021 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dawn/wire/client/LimitsAndFeatures.h"
#include "dawn/common/Assert.h"
#include "dawn/wire/SupportedFeatures.h"
namespace dawn::wire::client {
LimitsAndFeatures::LimitsAndFeatures() = default;
LimitsAndFeatures::~LimitsAndFeatures() = default;
bool LimitsAndFeatures::GetLimits(WGPUSupportedLimits* limits) const {
ASSERT(limits != nullptr);
if (limits->nextInChain != nullptr) {
return false;
}
*limits = mLimits;
return true;
}
bool LimitsAndFeatures::HasFeature(WGPUFeatureName feature) const {
return mFeatures.count(feature) != 0;
}
size_t LimitsAndFeatures::EnumerateFeatures(WGPUFeatureName* features) const {
if (features != nullptr) {
for (WGPUFeatureName f : mFeatures) {
*features = f;
++features;
}
}
return mFeatures.size();
}
void LimitsAndFeatures::SetLimits(const WGPUSupportedLimits* limits) {
ASSERT(limits != nullptr);
mLimits = *limits;
mLimits.nextInChain = nullptr;
}
void LimitsAndFeatures::SetFeatures(const WGPUFeatureName* features, uint32_t featuresCount) {
ASSERT(features != nullptr || featuresCount == 0);
for (uint32_t i = 0; i < featuresCount; ++i) {
// Filter out features that the server supports, but the client does not.
// (Could be different versions)
if (!IsFeatureSupported(features[i])) {
continue;
}
mFeatures.insert(features[i]);
}
}
} // namespace dawn::wire::client