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gl_shader_gen: Mark hash implementations as noexcept
These shouldn't throw at all, so we can mark the interface as such.
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@ -17,7 +17,7 @@ namespace Common {
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* @param len Length of data (in bytes) to compute hash over
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* @returns 64-bit hash value that was computed over the data block
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*/
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static inline u64 ComputeHash64(const void* data, std::size_t len) {
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static inline u64 ComputeHash64(const void* data, std::size_t len) noexcept {
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return CityHash64(static_cast<const char*>(data), len);
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}
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@ -27,7 +27,7 @@ static inline u64 ComputeHash64(const void* data, std::size_t len) {
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* by memsetting the struct to 0 before filling it in.
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*/
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template <typename T>
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static inline u64 ComputeStructHash64(const T& data) {
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static inline u64 ComputeStructHash64(const T& data) noexcept {
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static_assert(std::is_trivially_copyable_v<T>,
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"Type passed to ComputeStructHash64 must be trivially copyable");
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return ComputeHash64(&data, sizeof(data));
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@ -50,20 +50,20 @@ struct HashableStruct {
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T state;
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};
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HashableStruct() {
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HashableStruct() noexcept {
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// Memset structure to zero padding bits, so that they will be deterministic when hashing
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std::memset(&state, 0, sizeof(T));
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}
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bool operator==(const HashableStruct<T>& o) const {
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bool operator==(const HashableStruct<T>& o) const noexcept {
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return std::memcmp(&state, &o.state, sizeof(T)) == 0;
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};
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bool operator!=(const HashableStruct<T>& o) const {
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bool operator!=(const HashableStruct<T>& o) const noexcept {
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return !(*this == o);
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};
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std::size_t Hash() const {
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std::size_t Hash() const noexcept {
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return Common::ComputeStructHash64(state);
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}
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};
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@ -237,21 +237,21 @@ ShaderDecompiler::ProgramResult GenerateFragmentShader(const PicaFSConfig& confi
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namespace std {
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template <>
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struct hash<OpenGL::PicaFSConfig> {
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std::size_t operator()(const OpenGL::PicaFSConfig& k) const {
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std::size_t operator()(const OpenGL::PicaFSConfig& k) const noexcept {
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return k.Hash();
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}
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};
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template <>
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struct hash<OpenGL::PicaVSConfig> {
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std::size_t operator()(const OpenGL::PicaVSConfig& k) const {
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std::size_t operator()(const OpenGL::PicaVSConfig& k) const noexcept {
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return k.Hash();
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}
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};
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template <>
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struct hash<OpenGL::PicaFixedGSConfig> {
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std::size_t operator()(const OpenGL::PicaFixedGSConfig& k) const {
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std::size_t operator()(const OpenGL::PicaFixedGSConfig& k) const noexcept {
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return k.Hash();
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}
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};
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