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// Copyright 2019 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.
#ifndef SRC_DAWN_NATIVE_FEATURES_H_
#define SRC_DAWN_NATIVE_FEATURES_H_
#include <bitset>
#include <string>
#include <unordered_map>
#include <vector>
#include "dawn/common/ityp_bitset.h"
#include "dawn/native/DawnNative.h"
#include "dawn/native/Features_autogen.h"
#include "dawn/webgpu_cpp.h"
namespace dawn::native {
enum class FeatureLevel { Compatibility, Core };
extern const ityp::array<Feature, FeatureInfo, kEnumCount<Feature>> kFeatureNameAndInfoList;
wgpu::FeatureName ToAPI(Feature feature);
Feature FromAPI(wgpu::FeatureName feature);
// 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 {
ityp::bitset<Feature, kEnumCount<Feature>> featuresBitSet;
void EnableFeature(Feature feature);
void EnableFeature(wgpu::FeatureName feature);
bool IsEnabled(Feature feature) const;
bool IsEnabled(wgpu::FeatureName feature) const;
// Returns |count|, the number of features. Writes out all |count| values if |features| is
// non-null.
size_t EnumerateFeatures(wgpu::FeatureName* features) const;
std::vector<const char*> GetEnabledFeatureNames() const;
};
} // namespace dawn::native
#endif // SRC_DAWN_NATIVE_FEATURES_H_