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// Copyright 2019 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_wire/server/Server.h"
namespace dawn_wire { namespace server {
namespace {
template <ObjectType objectType, typename Pipeline>
void HandleCreateRenderPipelineAsyncCallbackResult(KnownObjects<Pipeline>* knownObjects,
WGPUCreatePipelineAsyncStatus status,
Pipeline pipeline,
CreatePipelineAsyncUserData* data) {
// May be null if the device was destroyed. Device destruction destroys child
// objects on the wire.
auto* pipelineObject =
knownObjects->Get(data->pipelineObjectID, AllocationState::Reserved);
// Should be impossible to fail. ObjectIds can't be freed by a destroy command until
// they move from Reserved to Allocated, or if they are destroyed here.
ASSERT(pipelineObject != nullptr);
if (status == WGPUCreatePipelineAsyncStatus_Success) {
// Assign the handle and allocated status if the pipeline is created successfully.
pipelineObject->state = AllocationState::Allocated;
pipelineObject->handle = pipeline;
// This should be impossible to fail. It would require a command to be sent that
// creates a duplicate ObjectId, which would fail validation.
bool success = TrackDeviceChild(pipelineObject->deviceInfo, objectType,
data->pipelineObjectID);
ASSERT(success);
} else {
// Otherwise, free the ObjectId which will make it unusable.
knownObjects->Free(data->pipelineObjectID);
ASSERT(pipeline == nullptr);
}
}
} // anonymous namespace
void Server::OnUncapturedError(ObjectHandle device, WGPUErrorType type, const char* message) {
ReturnDeviceUncapturedErrorCallbackCmd cmd;
cmd.device = device;
cmd.type = type;
cmd.message = message;
SerializeCommand(cmd);
}
void Server::OnDeviceLost(ObjectHandle device, const char* message) {
ReturnDeviceLostCallbackCmd cmd;
cmd.device = device;
cmd.message = message;
SerializeCommand(cmd);
}
bool Server::DoDevicePopErrorScope(ObjectId deviceId, uint64_t requestSerial) {
auto* device = DeviceObjects().Get(deviceId);
if (device == nullptr) {
return false;
}
auto userdata = MakeUserdata<ErrorScopeUserdata>();
userdata->requestSerial = requestSerial;
userdata->device = ObjectHandle{deviceId, device->generation};
ErrorScopeUserdata* unownedUserdata = userdata.release();
bool success = mProcs.devicePopErrorScope(
device->handle,
ForwardToServer<decltype(
&Server::OnDevicePopErrorScope)>::Func<&Server::OnDevicePopErrorScope>(),
unownedUserdata);
if (!success) {
delete unownedUserdata;
}
return success;
}
void Server::OnDevicePopErrorScope(WGPUErrorType type,
const char* message,
ErrorScopeUserdata* userdata) {
ReturnDevicePopErrorScopeCallbackCmd cmd;
cmd.device = userdata->device;
cmd.requestSerial = userdata->requestSerial;
cmd.type = type;
cmd.message = message;
SerializeCommand(cmd);
}
bool Server::DoDeviceCreateComputePipelineAsync(
ObjectId deviceId,
uint64_t requestSerial,
ObjectHandle pipelineObjectHandle,
const WGPUComputePipelineDescriptor* descriptor) {
auto* device = DeviceObjects().Get(deviceId);
if (device == nullptr) {
return false;
}
auto* resultData =
ComputePipelineObjects().Allocate(pipelineObjectHandle.id, AllocationState::Reserved);
if (resultData == nullptr) {
return false;
}
resultData->generation = pipelineObjectHandle.generation;
resultData->deviceInfo = device->info.get();
auto userdata = MakeUserdata<CreatePipelineAsyncUserData>();
userdata->device = ObjectHandle{deviceId, device->generation};
userdata->requestSerial = requestSerial;
userdata->pipelineObjectID = pipelineObjectHandle.id;
mProcs.deviceCreateComputePipelineAsync(
device->handle, descriptor,
ForwardToServer<decltype(&Server::OnCreateComputePipelineAsyncCallback)>::Func<
&Server::OnCreateComputePipelineAsyncCallback>(),
userdata.release());
return true;
}
void Server::OnCreateComputePipelineAsyncCallback(WGPUCreatePipelineAsyncStatus status,
WGPUComputePipeline pipeline,
const char* message,
CreatePipelineAsyncUserData* data) {
HandleCreateRenderPipelineAsyncCallbackResult<ObjectType::ComputePipeline>(
&ComputePipelineObjects(), status, pipeline, data);
ReturnDeviceCreateComputePipelineAsyncCallbackCmd cmd;
cmd.device = data->device;
cmd.status = status;
cmd.requestSerial = data->requestSerial;
cmd.message = message;
SerializeCommand(cmd);
}
bool Server::DoDeviceCreateRenderPipelineAsync(
ObjectId deviceId,
uint64_t requestSerial,
ObjectHandle pipelineObjectHandle,
const WGPURenderPipelineDescriptor2* descriptor) {
auto* device = DeviceObjects().Get(deviceId);
if (device == nullptr) {
return false;
}
auto* resultData =
RenderPipelineObjects().Allocate(pipelineObjectHandle.id, AllocationState::Reserved);
if (resultData == nullptr) {
return false;
}
resultData->generation = pipelineObjectHandle.generation;
resultData->deviceInfo = device->info.get();
auto userdata = MakeUserdata<CreatePipelineAsyncUserData>();
userdata->device = ObjectHandle{deviceId, device->generation};
userdata->requestSerial = requestSerial;
userdata->pipelineObjectID = pipelineObjectHandle.id;
mProcs.deviceCreateRenderPipelineAsync(
device->handle, descriptor,
ForwardToServer<decltype(&Server::OnCreateRenderPipelineAsyncCallback)>::Func<
&Server::OnCreateRenderPipelineAsyncCallback>(),
userdata.release());
return true;
}
void Server::OnCreateRenderPipelineAsyncCallback(WGPUCreatePipelineAsyncStatus status,
WGPURenderPipeline pipeline,
const char* message,
CreatePipelineAsyncUserData* data) {
HandleCreateRenderPipelineAsyncCallbackResult<ObjectType::RenderPipeline>(
&RenderPipelineObjects(), status, pipeline, data);
ReturnDeviceCreateRenderPipelineAsyncCallbackCmd cmd;
cmd.device = data->device;
cmd.status = status;
cmd.requestSerial = data->requestSerial;
cmd.message = message;
SerializeCommand(cmd);
}
}} // namespace dawn_wire::server