| // 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_TOGGLES_H_ |
| #define DAWNNATIVE_TOGGLES_H_ |
| |
| #include <bitset> |
| |
| #include "dawn_native/DawnNative.h" |
| |
| namespace dawn_native { |
| |
| enum class Toggle { |
| EmulateStoreAndMSAAResolve, |
| NonzeroClearResourcesOnCreationForTesting, |
| AlwaysResolveIntoZeroLevelAndLayer, |
| |
| EnumCount, |
| InvalidEnum = EnumCount, |
| }; |
| |
| // A wrapper of the bitset to store if a toggle is enabled or not. This wrapper provides the |
| // convenience to convert the enums of enum class Toggle to the indices of a bitset. |
| struct TogglesSet { |
| std::bitset<static_cast<size_t>(Toggle::EnumCount)> toggleBitset; |
| |
| void SetToggle(Toggle toggle, bool enabled) { |
| ASSERT(toggle != Toggle::InvalidEnum); |
| const size_t toggleIndex = static_cast<size_t>(toggle); |
| toggleBitset.set(toggleIndex, enabled); |
| } |
| |
| bool IsEnabled(Toggle toggle) const { |
| ASSERT(toggle != Toggle::InvalidEnum); |
| const size_t toggleIndex = static_cast<size_t>(toggle); |
| return toggleBitset.test(toggleIndex); |
| } |
| }; |
| |
| } // namespace dawn_native |
| |
| #endif // DAWNNATIVE_TOGGLES_H_ |