| // Copyright 2019 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. |
| |
| #ifndef DAWNNATIVE_FEATURES_H_ |
| #define DAWNNATIVE_FEATURES_H_ |
| |
| #include <bitset> |
| #include <unordered_map> |
| #include <vector> |
| |
| #include "dawn_native/DawnNative.h" |
| |
| namespace dawn_native { |
| |
| enum class Feature { |
| TextureCompressionBC, |
| TextureCompressionETC2, |
| TextureCompressionASTC, |
| ShaderFloat16, |
| PipelineStatisticsQuery, |
| TimestampQuery, |
| DepthClamping, |
| Depth24UnormStencil8, |
| Depth32FloatStencil8, |
| |
| // Dawn-specific |
| DawnInternalUsages, |
| MultiPlanarFormats, |
| |
| EnumCount, |
| InvalidEnum = EnumCount, |
| FeatureMin = TextureCompressionBC, |
| }; |
| |
| // A wrapper of the bitset to store if an feature is enabled or not. This wrapper provides the |
| // convenience to convert the enums of enum class Feature to the indices of a bitset. |
| struct FeaturesSet { |
| std::bitset<static_cast<size_t>(Feature::EnumCount)> featuresBitSet; |
| |
| void EnableFeature(Feature feature); |
| bool IsEnabled(Feature feature) const; |
| std::vector<const char*> GetEnabledFeatureNames() const; |
| void InitializeDeviceProperties(WGPUDeviceProperties* properties) const; |
| }; |
| |
| const char* FeatureEnumToName(Feature feature); |
| |
| class FeaturesInfo { |
| public: |
| FeaturesInfo(); |
| |
| // Used to query the details of an feature. Return nullptr if featureName is not a valid |
| // name of an feature supported in Dawn |
| const FeatureInfo* GetFeatureInfo(const char* featureName) const; |
| Feature FeatureNameToEnum(const char* featureName) const; |
| FeaturesSet FeatureNamesToFeaturesSet( |
| const std::vector<const char*>& requiredFeatures) const; |
| |
| private: |
| std::unordered_map<std::string, Feature> mFeatureNameToEnumMap; |
| }; |
| |
| } // namespace dawn_native |
| |
| #endif // DAWNNATIVE_FEATURES_H_ |