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https://github.com/encounter/dawn-cmake.git
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818001d32e
Bug: dawn:1275 Change-Id: Ic60a00107a015bc677ff929c492f1085ffc38482 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/79083 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Ben Clayton <bclayton@chromium.org>
84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
// Copyright 2019 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef DAWNNATIVE_FEATURES_H_
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#define DAWNNATIVE_FEATURES_H_
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#include <bitset>
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#include <unordered_map>
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#include <vector>
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#include "dawn/common/ityp_bitset.h"
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#include "dawn/native/DawnNative.h"
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#include "dawn/webgpu_cpp.h"
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namespace dawn::native {
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enum class Feature {
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TextureCompressionBC,
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TextureCompressionETC2,
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TextureCompressionASTC,
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ShaderFloat16,
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PipelineStatisticsQuery,
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TimestampQuery,
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DepthClamping,
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Depth24UnormStencil8,
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Depth32FloatStencil8,
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// Dawn-specific
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DawnInternalUsages,
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MultiPlanarFormats,
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DawnNative,
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EnumCount,
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InvalidEnum = EnumCount,
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FeatureMin = TextureCompressionBC,
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};
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// A wrapper of the bitset to store if an feature is enabled or not. This wrapper provides the
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// convenience to convert the enums of enum class Feature to the indices of a bitset.
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struct FeaturesSet {
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std::bitset<static_cast<size_t>(Feature::EnumCount)> featuresBitSet;
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void EnableFeature(Feature feature);
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void EnableFeature(wgpu::FeatureName feature);
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bool IsEnabled(Feature feature) const;
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bool IsEnabled(wgpu::FeatureName feature) const;
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// Returns |count|, the number of features. Writes out all |count| values if |features| is
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// non-null.
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size_t EnumerateFeatures(wgpu::FeatureName* features) const;
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std::vector<const char*> GetEnabledFeatureNames() const;
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void InitializeDeviceProperties(WGPUDeviceProperties* properties) const;
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};
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wgpu::FeatureName FeatureEnumToAPIFeature(Feature feature);
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class FeaturesInfo {
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public:
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FeaturesInfo();
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// Used to query the details of an feature. Return nullptr if featureName is not a valid
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// name of an feature supported in Dawn
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const FeatureInfo* GetFeatureInfo(wgpu::FeatureName feature) const;
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Feature FeatureNameToEnum(const char* featureName) const;
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wgpu::FeatureName FeatureNameToAPIEnum(const char* featureName) const;
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private:
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std::unordered_map<std::string, Feature> mFeatureNameToEnumMap;
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};
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} // namespace dawn::native
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#endif // DAWNNATIVE_FEATURES_H_
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