| // Copyright 2020 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 SRC_DAWN_NATIVE_QUERYHELPER_H_ |
| #define SRC_DAWN_NATIVE_QUERYHELPER_H_ |
| |
| #include "dawn/native/Error.h" |
| #include "dawn/native/ObjectBase.h" |
| |
| namespace dawn::native { |
| |
| class BufferBase; |
| class CommandEncoder; |
| |
| struct TimestampParams { |
| TimestampParams(uint32_t first, uint32_t count, uint32_t offset, float period); |
| |
| uint32_t first; |
| uint32_t count; |
| uint32_t offset; |
| uint32_t multiplier; |
| uint32_t rightShift; |
| }; |
| |
| MaybeError EncodeConvertTimestampsToNanoseconds(CommandEncoder* encoder, |
| BufferBase* timestamps, |
| BufferBase* availability, |
| BufferBase* params); |
| |
| } // namespace dawn::native |
| |
| #endif // SRC_DAWN_NATIVE_QUERYHELPER_H_ |