mirror of
https://github.com/robbert-vdh/yabridge.git
synced 2026-05-07 20:10:13 +02:00
Robbert van der Helm
59ba2aeb5f
Apparently this can actually make a difference in some cases, and the C++ Core Guideliens recommend doing this on all default constructors, destructors, and all functions that can not throw (and thus also don't allocate).
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
// yabridge: a Wine VST bridge
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// Copyright (C) 2020-2021 Robbert van der Helm
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#pragma once
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#include "../common.h"
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#include "plugin-factory/plugin-factory.h"
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
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/**
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* An abstract class that `IPluginFactory`, and optionally also
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* `IPluginFactory2` and `IPluginFactory3` depending on what the Windows VST3
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* plugin's plugin factory supports. All information is read once the Wine
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* plugin host side, so the only callbacks that we'll make from here are to
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* create new objects and to set a host context for the factory (if the host and
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* the plugin supports that).
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*/
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class Vst3PluginFactoryProxy : public YaPluginFactory3 {
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public:
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/**
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* These are the arguments for constructing a `Vst3PluginFactoryProxyImpl`.
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*/
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struct ConstructArgs {
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ConstructArgs() noexcept;
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/**
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* Read from an existing object. We will try to mimic this object, so
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* we'll support any interfaces this object also supports.
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*/
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ConstructArgs(Steinberg::IPtr<FUnknown> object) noexcept;
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YaPluginFactory3::ConstructArgs plugin_factory_args;
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template <typename S>
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void serialize(S& s) {
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s.object(plugin_factory_args);
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}
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};
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/**
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* Message to request the Windows VST3 plugin's plugin factory information
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* from the Wine plugin host.
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*/
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struct Construct {
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using Response = ConstructArgs;
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template <typename S>
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void serialize(S&) {}
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};
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/**
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* Instantiate this instance with arguments read from an actual plugin
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* factory. The is done once during startup and the plugin factory gets
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* reused for the lifetime of the module.
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*/
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Vst3PluginFactoryProxy(const ConstructArgs&& args) noexcept;
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/**
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* We do not need special handling here since the Window VST3 plugin's
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* plugin factory will also be destroyed when we terminate the Wine plugin
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* host or unload the plugin there.
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*/
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virtual ~Vst3PluginFactoryProxy() noexcept;
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DECLARE_FUNKNOWN_METHODS
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private:
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ConstructArgs arguments;
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};
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#pragma GCC diagnostic pop
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