| // 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. |
| |
| #include "src/dawn/node/interop/Core.h" |
| |
| namespace wgpu::interop { |
| |
| Result Success; |
| |
| Result Error(std::string msg) { |
| return {msg}; |
| } |
| |
| Result Converter<bool>::FromJS(Napi::Env env, Napi::Value value, bool& out) { |
| if (value.IsBoolean()) { |
| out = value.ToBoolean(); |
| return Success; |
| } |
| return Error("value is not a boolean"); |
| } |
| Napi::Value Converter<bool>::ToJS(Napi::Env env, bool value) { |
| return Napi::Value::From(env, value); |
| } |
| |
| Result Converter<std::string>::FromJS(Napi::Env env, Napi::Value value, std::string& out) { |
| if (value.IsString()) { |
| out = value.ToString(); |
| return Success; |
| } |
| return Error("value is not a string"); |
| } |
| Napi::Value Converter<std::string>::ToJS(Napi::Env env, std::string value) { |
| return Napi::Value::From(env, value); |
| } |
| |
| Result Converter<int8_t>::FromJS(Napi::Env env, Napi::Value value, int8_t& out) { |
| if (value.IsNumber()) { |
| out = value.ToNumber().Int32Value(); |
| return Success; |
| } |
| return Error("value is not a number"); |
| } |
| Napi::Value Converter<int8_t>::ToJS(Napi::Env env, int8_t value) { |
| return Napi::Value::From(env, value); |
| } |
| |
| Result Converter<uint8_t>::FromJS(Napi::Env env, Napi::Value value, uint8_t& out) { |
| if (value.IsNumber()) { |
| out = value.ToNumber().Uint32Value(); |
| return Success; |
| } |
| return Error("value is not a number"); |
| } |
| Napi::Value Converter<uint8_t>::ToJS(Napi::Env env, uint8_t value) { |
| return Napi::Value::From(env, value); |
| } |
| |
| Result Converter<int16_t>::FromJS(Napi::Env env, Napi::Value value, int16_t& out) { |
| if (value.IsNumber()) { |
| out = value.ToNumber().Int32Value(); |
| return Success; |
| } |
| return Error("value is not a number"); |
| } |
| Napi::Value Converter<int16_t>::ToJS(Napi::Env env, int16_t value) { |
| return Napi::Value::From(env, value); |
| } |
| |
| Result Converter<uint16_t>::FromJS(Napi::Env env, Napi::Value value, uint16_t& out) { |
| if (value.IsNumber()) { |
| out = value.ToNumber().Uint32Value(); |
| return Success; |
| } |
| return Error("value is not a number"); |
| } |
| Napi::Value Converter<uint16_t>::ToJS(Napi::Env env, uint16_t value) { |
| return Napi::Value::From(env, value); |
| } |
| |
| Result Converter<int32_t>::FromJS(Napi::Env env, Napi::Value value, int32_t& out) { |
| if (value.IsNumber()) { |
| out = value.ToNumber().Int32Value(); |
| return Success; |
| } |
| return Error("value is not a number"); |
| } |
| Napi::Value Converter<int32_t>::ToJS(Napi::Env env, int32_t value) { |
| return Napi::Value::From(env, value); |
| } |
| |
| Result Converter<uint32_t>::FromJS(Napi::Env env, Napi::Value value, uint32_t& out) { |
| if (value.IsNumber()) { |
| out = value.ToNumber().Uint32Value(); |
| return Success; |
| } |
| return Error("value is not a number"); |
| } |
| Napi::Value Converter<uint32_t>::ToJS(Napi::Env env, uint32_t value) { |
| return Napi::Value::From(env, value); |
| } |
| |
| Result Converter<int64_t>::FromJS(Napi::Env env, Napi::Value value, int64_t& out) { |
| if (value.IsNumber()) { |
| out = value.ToNumber().Int64Value(); |
| return Success; |
| } |
| return Error("value is not a number"); |
| } |
| Napi::Value Converter<int64_t>::ToJS(Napi::Env env, int64_t value) { |
| return Napi::Value::From(env, value); |
| } |
| |
| Result Converter<uint64_t>::FromJS(Napi::Env env, Napi::Value value, uint64_t& out) { |
| if (value.IsNumber()) { |
| // Note that the JS Number type only stores doubles, so the max integer |
| // range of values without precision loss is -2^53 to 2^53 (52 bit mantissa |
| // with 1 implicit bit). This is why there's no UInt64Value() function. |
| out = static_cast<uint64_t>(value.ToNumber().Int64Value()); |
| return Success; |
| } |
| return Error("value is not a number"); |
| } |
| Napi::Value Converter<uint64_t>::ToJS(Napi::Env env, uint64_t value) { |
| return Napi::Value::From(env, value); |
| } |
| |
| Result |
| Converter<std::conditional_t<detail::kSizetIsUniqueType, size_t, detail::InvalidType>>::FromJS( |
| Napi::Env env, |
| Napi::Value value, |
| size_t& out) { |
| if (value.IsNumber()) { |
| // Note that the JS Number type only stores doubles, so the max integer |
| // range of values without precision loss is -2^53 to 2^53 (52 bit mantissa |
| // with 1 implicit bit). This is why there's no UInt64Value() function. |
| out = static_cast<size_t>(value.ToNumber().Int64Value()); |
| return Success; |
| } |
| return Error("value is not a number"); |
| } |
| Napi::Value |
| Converter<std::conditional_t<detail::kSizetIsUniqueType, size_t, detail::InvalidType>>::ToJS( |
| Napi::Env env, |
| size_t value) { |
| return Napi::Value::From(env, value); |
| } |
| |
| Result Converter<float>::FromJS(Napi::Env env, Napi::Value value, float& out) { |
| if (value.IsNumber()) { |
| out = value.ToNumber().FloatValue(); |
| return Success; |
| } |
| return Error("value is not a number"); |
| } |
| Napi::Value Converter<float>::ToJS(Napi::Env env, float value) { |
| return Napi::Value::From(env, value); |
| } |
| |
| Result Converter<double>::FromJS(Napi::Env env, Napi::Value value, double& out) { |
| if (value.IsNumber()) { |
| out = value.ToNumber().DoubleValue(); |
| return Success; |
| } |
| return Error("value is not a number"); |
| } |
| Napi::Value Converter<double>::ToJS(Napi::Env env, double value) { |
| return Napi::Value::From(env, value); |
| } |
| |
| Result Converter<UndefinedType>::FromJS(Napi::Env, Napi::Value value, UndefinedType&) { |
| if (value.IsUndefined()) { |
| return Success; |
| } |
| return Error("value is undefined"); |
| } |
| Napi::Value Converter<UndefinedType>::ToJS(Napi::Env env, UndefinedType) { |
| return env.Undefined(); |
| } |
| |
| } // namespace wgpu::interop |