// Copyright 2021 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 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #ifndef SRC_TINT_LANG_WGSL_SEM_SAMPLER_TEXTURE_PAIR_H_ #define SRC_TINT_LANG_WGSL_SEM_SAMPLER_TEXTURE_PAIR_H_ #include <cstdint> #include <functional> #include "src/tint/api/common/binding_point.h" #include "src/tint/utils/reflection/reflection.h" #include "src/tint/utils/text/string_stream.h" namespace tint::sem { /// Mapping of a sampler to a texture it samples. struct SamplerTexturePair { … }; /// Prints the SamplerTexturePair @p stp to @p o /// @param o the stream to write to /// @param stp the SamplerTexturePair /// @return the stream so calls can be chained template <typename STREAM, typename = traits::EnableIfIsOStream<STREAM>> auto& operator<<(STREAM& o, const SamplerTexturePair& stp) { … } } // namespace tint::sem namespace std { /// Custom std::hash specialization for tint::sem::SamplerTexturePair so /// SamplerTexturePairs be used as keys for std::unordered_map and /// std::unordered_set. template <> class hash<tint::sem::SamplerTexturePair> { … }; } // namespace std #endif // SRC_TINT_LANG_WGSL_SEM_SAMPLER_TEXTURE_PAIR_H_