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// Copyright 2020 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 "dawn_native/CreatePipelineAsyncTask.h"
#include "dawn_native/AsyncTask.h"
#include "dawn_native/ComputePipeline.h"
#include "dawn_native/Device.h"
#include "dawn_native/RenderPipeline.h"
namespace dawn_native {
CreatePipelineAsyncCallbackTaskBase::CreatePipelineAsyncCallbackTaskBase(
std::string errorMessage,
void* userdata)
: mErrorMessage(errorMessage), mUserData(userdata) {
}
CreateComputePipelineAsyncCallbackTask::CreateComputePipelineAsyncCallbackTask(
Ref<ComputePipelineBase> pipeline,
std::string errorMessage,
WGPUCreateComputePipelineAsyncCallback callback,
void* userdata)
: CreatePipelineAsyncCallbackTaskBase(errorMessage, userdata),
mPipeline(std::move(pipeline)),
mCreateComputePipelineAsyncCallback(callback) {
}
void CreateComputePipelineAsyncCallbackTask::Finish() {
ASSERT(mCreateComputePipelineAsyncCallback != nullptr);
if (mPipeline.Get() != nullptr) {
mCreateComputePipelineAsyncCallback(
WGPUCreatePipelineAsyncStatus_Success,
reinterpret_cast<WGPUComputePipeline>(mPipeline.Detach()), "", mUserData);
} else {
mCreateComputePipelineAsyncCallback(WGPUCreatePipelineAsyncStatus_Error, nullptr,
mErrorMessage.c_str(), mUserData);
}
}
void CreateComputePipelineAsyncCallbackTask::HandleShutDown() {
ASSERT(mCreateComputePipelineAsyncCallback != nullptr);
mCreateComputePipelineAsyncCallback(WGPUCreatePipelineAsyncStatus_DeviceDestroyed, nullptr,
"Device destroyed before callback", mUserData);
}
void CreateComputePipelineAsyncCallbackTask::HandleDeviceLoss() {
ASSERT(mCreateComputePipelineAsyncCallback != nullptr);
mCreateComputePipelineAsyncCallback(WGPUCreatePipelineAsyncStatus_DeviceLost, nullptr,
"Device lost before callback", mUserData);
}
CreateRenderPipelineAsyncCallbackTask::CreateRenderPipelineAsyncCallbackTask(
Ref<RenderPipelineBase> pipeline,
std::string errorMessage,
WGPUCreateRenderPipelineAsyncCallback callback,
void* userdata)
: CreatePipelineAsyncCallbackTaskBase(errorMessage, userdata),
mPipeline(std::move(pipeline)),
mCreateRenderPipelineAsyncCallback(callback) {
}
void CreateRenderPipelineAsyncCallbackTask::Finish() {
ASSERT(mCreateRenderPipelineAsyncCallback != nullptr);
if (mPipeline.Get() != nullptr) {
mCreateRenderPipelineAsyncCallback(
WGPUCreatePipelineAsyncStatus_Success,
reinterpret_cast<WGPURenderPipeline>(mPipeline.Detach()), "", mUserData);
} else {
mCreateRenderPipelineAsyncCallback(WGPUCreatePipelineAsyncStatus_Error, nullptr,
mErrorMessage.c_str(), mUserData);
}
}
void CreateRenderPipelineAsyncCallbackTask::HandleShutDown() {
ASSERT(mCreateRenderPipelineAsyncCallback != nullptr);
mCreateRenderPipelineAsyncCallback(WGPUCreatePipelineAsyncStatus_DeviceDestroyed, nullptr,
"Device destroyed before callback", mUserData);
}
void CreateRenderPipelineAsyncCallbackTask::HandleDeviceLoss() {
ASSERT(mCreateRenderPipelineAsyncCallback != nullptr);
mCreateRenderPipelineAsyncCallback(WGPUCreatePipelineAsyncStatus_DeviceLost, nullptr,
"Device lost before callback", mUserData);
}
CreateComputePipelineAsyncTask::CreateComputePipelineAsyncTask(
Ref<ComputePipelineBase> nonInitializedComputePipeline,
const ComputePipelineDescriptor* descriptor,
size_t blueprintHash,
WGPUCreateComputePipelineAsyncCallback callback,
void* userdata)
: mComputePipeline(nonInitializedComputePipeline),
mBlueprintHash(blueprintHash),
mCallback(callback),
mUserdata(userdata),
mLabel(descriptor->label != nullptr ? descriptor->label : ""),
mLayout(descriptor->layout),
mEntryPoint(descriptor->computeStage.entryPoint),
mComputeShaderModule(descriptor->computeStage.module) {
ASSERT(mComputePipeline != nullptr);
// TODO(jiawei.shao@intel.com): save nextInChain when it is supported in Dawn.
ASSERT(descriptor->nextInChain == nullptr);
}
void CreateComputePipelineAsyncTask::Run() {
ComputePipelineDescriptor descriptor;
if (!mLabel.empty()) {
descriptor.label = mLabel.c_str();
}
descriptor.computeStage.entryPoint = mEntryPoint.c_str();
descriptor.layout = mLayout.Get();
descriptor.computeStage.module = mComputeShaderModule.Get();
MaybeError maybeError = mComputePipeline->Initialize(&descriptor);
std::string errorMessage;
if (maybeError.IsError()) {
mComputePipeline = nullptr;
errorMessage = maybeError.AcquireError()->GetMessage();
}
mComputeShaderModule = nullptr;
mComputePipeline->GetDevice()->AddComputePipelineAsyncCallbackTask(
mComputePipeline, errorMessage, mCallback, mUserdata, mBlueprintHash);
}
void CreateComputePipelineAsyncTask::RunAsync(
std::unique_ptr<CreateComputePipelineAsyncTask> task) {
DeviceBase* device = task->mComputePipeline->GetDevice();
// Using "taskPtr = std::move(task)" causes compilation error while it should be supported
// since C++14:
// https://docs.microsoft.com/en-us/cpp/cpp/lambda-expressions-in-cpp?view=msvc-160
auto asyncTask = [taskPtr = task.release()] {
std::unique_ptr<CreateComputePipelineAsyncTask> innnerTaskPtr(taskPtr);
innnerTaskPtr->Run();
};
device->GetAsyncTaskManager()->PostTask(std::move(asyncTask));
}
} // namespace dawn_native