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// Copyright 2021 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/dawn_node/binding/GPUShaderModule.h"
#include <memory>
#include "src/dawn_node/utils/Debug.h"
namespace wgpu { namespace binding {
////////////////////////////////////////////////////////////////////////////////
// wgpu::bindings::GPUShaderModule
////////////////////////////////////////////////////////////////////////////////
GPUShaderModule::GPUShaderModule(wgpu::ShaderModule shader, std::shared_ptr<AsyncRunner> async)
: shader_(std::move(shader)), async_(std::move(async)) {
}
interop::Promise<interop::Interface<interop::GPUCompilationInfo>>
GPUShaderModule::compilationInfo(Napi::Env env) {
struct GPUCompilationMessage : public interop::GPUCompilationMessage {
WGPUCompilationMessage message;
GPUCompilationMessage(const WGPUCompilationMessage& m) : message(m) {
}
std::string getMessage(Napi::Env) override {
return message.message;
}
interop::GPUCompilationMessageType getType(Napi::Env) override {
switch (message.type) {
case WGPUCompilationMessageType_Error:
return interop::GPUCompilationMessageType::kError;
case WGPUCompilationMessageType_Warning:
return interop::GPUCompilationMessageType::kWarning;
case WGPUCompilationMessageType_Info:
return interop::GPUCompilationMessageType::kInfo;
default:
UNIMPLEMENTED();
}
}
uint64_t getLineNum(Napi::Env) override {
return message.lineNum;
}
uint64_t getLinePos(Napi::Env) override {
return message.linePos;
}
uint64_t getOffset(Napi::Env) override {
return message.offset;
}
uint64_t getLength(Napi::Env) override {
return message.length;
}
};
using Messages = std::vector<interop::Interface<interop::GPUCompilationMessage>>;
struct GPUCompilationInfo : public interop::GPUCompilationInfo {
std::vector<Napi::ObjectReference> messages;
GPUCompilationInfo(Napi::Env env, Messages msgs) {
messages.reserve(msgs.size());
for (auto& msg : msgs) {
messages.emplace_back(Napi::Persistent(Napi::Object(env, msg)));
}
}
Messages getMessages(Napi::Env) override {
Messages out;
out.reserve(messages.size());
for (auto& msg : messages) {
out.emplace_back(msg.Value());
}
return out;
}
};
using Promise = interop::Promise<interop::Interface<interop::GPUCompilationInfo>>;
struct Context {
Napi::Env env;
Promise promise;
AsyncTask task;
};
auto ctx = new Context{env, Promise(env, PROMISE_INFO), async_};
auto promise = ctx->promise;
shader_.GetCompilationInfo(
[](WGPUCompilationInfoRequestStatus status, WGPUCompilationInfo const* compilationInfo,
void* userdata) {
auto c = std::unique_ptr<Context>(static_cast<Context*>(userdata));
Messages messages(compilationInfo->messageCount);
for (uint32_t i = 0; i < compilationInfo->messageCount; i++) {
auto& msg = compilationInfo->messages[i];
messages[i] =
interop::GPUCompilationMessage::Create<GPUCompilationMessage>(c->env, msg);
}
c->promise.Resolve(interop::GPUCompilationInfo::Create<GPUCompilationInfo>(
c->env, c->env, std::move(messages)));
},
ctx);
return promise;
}
std::optional<std::string> GPUShaderModule::getLabel(Napi::Env) {
UNIMPLEMENTED();
}
void GPUShaderModule::setLabel(Napi::Env, std::optional<std::string> value) {
UNIMPLEMENTED();
}
}} // namespace wgpu::binding