|  | // Copyright (c) 2015-2016 The Khronos Group Inc. | 
|  | // | 
|  | // 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 SOURCE_MACRO_H_ | 
|  | #define SOURCE_MACRO_H_ | 
|  |  | 
|  | // Evaluates to the number of elements of array A. | 
|  | // | 
|  | // If we could use constexpr, then we could make this a template function. | 
|  | // If the source arrays were std::array, then we could have used | 
|  | // std::array::size. | 
|  | #define ARRAY_SIZE(A) (static_cast<uint32_t>(sizeof(A) / sizeof(A[0]))) | 
|  |  | 
|  | #endif  // SOURCE_MACRO_H_ |