| // Copyright 2021 The SwiftShader Authors. All Rights Reserved. |
| // |
| // 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. |
| |
| #include "SpirvBinary.hpp" |
| |
| namespace sw { |
| |
| std::atomic<uint32_t> SpirvBinary::serialCounter(1); // Start at 1, 0 is invalid shader. |
| |
| SpirvBinary::SpirvBinary() |
| : identifier(serialCounter++) |
| {} |
| |
| SpirvBinary::SpirvBinary(const uint32_t *binary, uint32_t wordCount) |
| : std::vector<uint32_t>(binary, binary + wordCount) |
| , identifier(serialCounter++) |
| { |
| } |
| |
| void SpirvBinary::mapOptimizedIdentifier(const SpirvBinary &unoptimized) |
| { |
| // The bitwise NOT accomplishes a 1-to-1 mapping of the identifiers, |
| // while avoiding clashes with previous or future serial IDs. |
| identifier = ~unoptimized.identifier; |
| } |
| |
| } // namespace sw |
