dawn-cmake/generator/templates/dawn_wire/server/ServerBase.h

106 lines
4.1 KiB
C++

//* 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.
#ifndef DAWNWIRE_SERVER_SERVERBASE_H_
#define DAWNWIRE_SERVER_SERVERBASE_H_
#include "dawn/dawn_proc_table.h"
#include "dawn_wire/ChunkedCommandHandler.h"
#include "dawn_wire/Wire.h"
#include "dawn_wire/WireCmd_autogen.h"
#include "dawn_wire/WireDeserializeAllocator.h"
#include "dawn_wire/server/ObjectStorage.h"
namespace dawn::wire::server {
class ServerBase : public ChunkedCommandHandler, public ObjectIdResolver {
public:
ServerBase() = default;
virtual ~ServerBase() = default;
protected:
void DestroyAllObjects(const DawnProcTable& procs) {
//* Free all objects when the server is destroyed
{% for type in by_category["object"] if type.name.get() != "device" %}
{
std::vector<{{as_cType(type.name)}}> handles = mKnown{{type.name.CamelCase()}}.AcquireAllHandles();
for ({{as_cType(type.name)}} handle : handles) {
procs.{{as_varName(type.name, Name("release"))}}(handle);
}
}
{% endfor %}
//* Release devices last because dawn_native requires this.
{
std::vector<WGPUDevice> handles = mKnownDevice.AcquireAllHandles();
for (WGPUDevice handle : handles) {
procs.deviceRelease(handle);
}
}
}
{% for type in by_category["object"] %}
const KnownObjects<{{as_cType(type.name)}}>& {{type.name.CamelCase()}}Objects() const {
return mKnown{{type.name.CamelCase()}};
}
KnownObjects<{{as_cType(type.name)}}>& {{type.name.CamelCase()}}Objects() {
return mKnown{{type.name.CamelCase()}};
}
{% endfor %}
{% for type in by_category["object"] if type.name.CamelCase() in server_reverse_lookup_objects %}
const ObjectIdLookupTable<{{as_cType(type.name)}}>& {{type.name.CamelCase()}}ObjectIdTable() const {
return m{{type.name.CamelCase()}}IdTable;
}
ObjectIdLookupTable<{{as_cType(type.name)}}>& {{type.name.CamelCase()}}ObjectIdTable() {
return m{{type.name.CamelCase()}}IdTable;
}
{% endfor %}
private:
// Implementation of the ObjectIdResolver interface
{% for type in by_category["object"] %}
WireResult GetFromId(ObjectId id, {{as_cType(type.name)}}* out) const final {
auto data = mKnown{{type.name.CamelCase()}}.Get(id);
if (data == nullptr) {
return WireResult::FatalError;
}
*out = data->handle;
return WireResult::Success;
}
WireResult GetOptionalFromId(ObjectId id, {{as_cType(type.name)}}* out) const final {
if (id == 0) {
*out = nullptr;
return WireResult::Success;
}
return GetFromId(id, out);
}
{% endfor %}
//* The list of known IDs for each object type.
{% for type in by_category["object"] %}
KnownObjects<{{as_cType(type.name)}}> mKnown{{type.name.CamelCase()}};
{% endfor %}
{% for type in by_category["object"] if type.name.CamelCase() in server_reverse_lookup_objects %}
ObjectIdLookupTable<{{as_cType(type.name)}}> m{{type.name.CamelCase()}}IdTable;
{% endfor %}
};
} // namespace dawn::wire::server
#endif // DAWNWIRE_SERVER_SERVERBASE_H_