1 // Copyright 2020 The Dawn Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef DAWNNATIVE_QUERYHELPER_H_ 16 #define DAWNNATIVE_QUERYHELPER_H_ 17 18 #include "dawn_native/Error.h" 19 #include "dawn_native/ObjectBase.h" 20 21 namespace dawn_native { 22 23 class BufferBase; 24 class CommandEncoder; 25 26 struct TimestampParams { 27 uint32_t first; 28 uint32_t count; 29 uint32_t offset; 30 float period; 31 }; 32 33 MaybeError EncodeConvertTimestampsToNanoseconds(CommandEncoder* encoder, 34 BufferBase* timestamps, 35 BufferBase* availability, 36 BufferBase* params); 37 38 } // namespace dawn_native 39 40 #endif // DAWNNATIVE_QUERYHELPER_H_ 41