| // Copyright 2020 The Tint 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_AST_WORKGROUP_DECORATION_H_ |
| #define SRC_AST_WORKGROUP_DECORATION_H_ |
| |
| #include <stddef.h> |
| |
| #include <tuple> |
| |
| #include "src/ast/function_decoration.h" |
| |
| namespace tint { |
| namespace ast { |
| |
| /// A workgroup decoration |
| class WorkgroupDecoration : public FunctionDecoration { |
| public: |
| /// constructor |
| /// @param x the workgroup x dimension size |
| explicit WorkgroupDecoration(uint32_t x); |
| /// constructor |
| /// @param x the workgroup x dimension size |
| /// @param y the workgroup x dimension size |
| WorkgroupDecoration(uint32_t x, uint32_t y); |
| /// constructor |
| /// @param x the workgroup x dimension size |
| /// @param y the workgroup x dimension size |
| /// @param z the workgroup x dimension size |
| WorkgroupDecoration(uint32_t x, uint32_t y, uint32_t z); |
| ~WorkgroupDecoration() override; |
| |
| /// @returns true if this is a workgroup decoration |
| bool IsWorkgroup() const override; |
| |
| /// @returns the workgroup dimensions |
| std::tuple<uint32_t, uint32_t, uint32_t> values() const { |
| return {x_, y_, z_}; |
| } |
| |
| /// Outputs the decoration to the given stream |
| /// @param out the stream to output too |
| void to_str(std::ostream& out) const override; |
| |
| private: |
| uint32_t x_ = 1; |
| uint32_t y_ = 1; |
| uint32_t z_ = 1; |
| }; |
| |
| } // namespace ast |
| } // namespace tint |
| |
| #endif // SRC_AST_WORKGROUP_DECORATION_H_ |