1 // Copyright 2020 The Tint 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 SRC_AST_TYPE_I32_TYPE_H_ 16 #define SRC_AST_TYPE_I32_TYPE_H_ 17 18 #include <string> 19 20 #include "src/ast/type/type.h" 21 22 namespace tint { 23 namespace ast { 24 namespace type { 25 26 /// A signed int 32 type. 27 class I32Type : public Type { 28 public: 29 /// Constructor 30 I32Type(); 31 /// Move constructor 32 I32Type(I32Type&&) = default; 33 ~I32Type() override; 34 35 /// @returns true if the type is an i32 type 36 bool IsI32() const override; 37 38 /// @returns the name for this type 39 std::string type_name() const override; 40 41 /// @param mem_layout type of memory layout to use in calculation. 42 /// @returns minimum size required for this type, in bytes. 43 /// 0 for non-host shareable types. 44 uint64_t MinBufferBindingSize(MemoryLayout mem_layout) const override; 45 46 /// @param mem_layout type of memory layout to use in calculation. 47 /// @returns base alignment for the type, in bytes. 48 /// 0 for non-host shareable types. 49 uint64_t BaseAlignment(MemoryLayout mem_layout) const override; 50 }; 51 52 } // namespace type 53 } // namespace ast 54 } // namespace tint 55 56 #endif // SRC_AST_TYPE_I32_TYPE_H_ 57