| // Copyright 2020 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef SRC_TINT_LANG_SPIRV_WRITER_COMMON_OPERAND_H_ |
| #define SRC_TINT_LANG_SPIRV_WRITER_COMMON_OPERAND_H_ |
| |
| #include <cstring> |
| #include <string> |
| #include <variant> |
| #include <vector> |
| |
| #include "src/tint/utils/math/hash.h" |
| |
| namespace tint::spirv::writer { |
| |
| /// A single SPIR-V instruction operand |
| using Operand = std::variant<uint32_t, float, std::string>; |
| |
| // Helper for returning an uint32_t Operand with the provided integer value. |
| template <typename T> |
| inline Operand U32Operand(T val) { |
| return Operand{static_cast<uint32_t>(val)}; |
| } |
| |
| /// @returns the number of uint32_t's needed for this operand |
| uint32_t OperandLength(const Operand& o); |
| |
| /// A list of operands |
| using OperandList = std::vector<Operand>; |
| |
| using OperandListKey = tint::UnorderedKeyWrapper<OperandList>; |
| |
| } // namespace tint::spirv::writer |
| |
| #endif // SRC_TINT_LANG_SPIRV_WRITER_COMMON_OPERAND_H_ |
