diff --git a/meson.build b/meson.build
index 34c88444..3b88c46f 100644
--- a/meson.build
+++ b/meson.build
@@ -140,6 +140,7 @@ vst3_plugin_sources = [
'src/common/serialization/vst3/plugin/note-expression-physical-ui-mapping.cpp',
'src/common/serialization/vst3/plugin/plugin-base.cpp',
'src/common/serialization/vst3/plugin/prefetchable-support.cpp',
+ 'src/common/serialization/vst3/plugin/process-context-requirements.cpp',
'src/common/serialization/vst3/plugin/program-list-data.cpp',
'src/common/serialization/vst3/plugin/unit-data.cpp',
'src/common/serialization/vst3/plugin/unit-info.cpp',
@@ -224,6 +225,7 @@ if with_vst3
'src/common/serialization/vst3/plugin/note-expression-physical-ui-mapping.cpp',
'src/common/serialization/vst3/plugin/plugin-base.cpp',
'src/common/serialization/vst3/plugin/prefetchable-support.cpp',
+ 'src/common/serialization/vst3/plugin/process-context-requirements.cpp',
'src/common/serialization/vst3/plugin/program-list-data.cpp',
'src/common/serialization/vst3/plugin/unit-data.cpp',
'src/common/serialization/vst3/plugin/unit-info.cpp',
diff --git a/src/common/serialization/vst3/README.md b/src/common/serialization/vst3/README.md
index db951986..9ae0cbbc 100644
--- a/src/common/serialization/vst3/README.md
+++ b/src/common/serialization/vst3/README.md
@@ -6,7 +6,7 @@ for more information on how the serialization works.
The following interfaces are not yet implemented:
-- Interfaces introduced after VST 3.6.12
+- The last few VST 3.7.0 interfaces
- The [Presonus extensions](https://presonussoftware.com/en_US/developer),
although most of these things seem to overlap with newer VST3 interfaces
@@ -36,6 +36,7 @@ VST3 plugin interfaces are implemented as follows:
| `YaNoteExpressionController` | `Vst3PluginProxy` | `INoteExpressionController` |
| `YaNoteExpressionPhysicalUIMapping` | `Vst3PluginProxy` | `INoteExpressionPhysicalUIMapping` |
| `YaPluginBase` | `Vst3PluginProxy` | `IPluginBase` |
+| `YaProcessContextRequirements` | `Vst3PluginProxy` | `IProcessContextRequirements` |
| `YaPrefetchableSupport` | `Vst3PluginProxy` | `IPrefetchableSupport` |
| `YaProgramListData` | `Vst3PluginProxy` | `IProgramListData` |
| `YaUnitData` | `Vst3PluginProxy` | `IUnitData` |
diff --git a/src/common/serialization/vst3/plugin/process-context-requirements.cpp b/src/common/serialization/vst3/plugin/process-context-requirements.cpp
new file mode 100644
index 00000000..27e19553
--- /dev/null
+++ b/src/common/serialization/vst3/plugin/process-context-requirements.cpp
@@ -0,0 +1,29 @@
+// yabridge: a Wine VST bridge
+// Copyright (C) 2020-2021 Robbert van der Helm
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see .
+
+#include "process-context-requirements.h"
+
+YaProcessContextRequirements::ConstructArgs::ConstructArgs() {}
+
+YaProcessContextRequirements::ConstructArgs::ConstructArgs(
+ Steinberg::IPtr object)
+ : supported(
+ Steinberg::FUnknownPtr(
+ object)) {}
+
+YaProcessContextRequirements::YaProcessContextRequirements(
+ const ConstructArgs&& args)
+ : arguments(std::move(args)) {}
diff --git a/src/common/serialization/vst3/plugin/process-context-requirements.h b/src/common/serialization/vst3/plugin/process-context-requirements.h
new file mode 100644
index 00000000..5b0c0d4f
--- /dev/null
+++ b/src/common/serialization/vst3/plugin/process-context-requirements.h
@@ -0,0 +1,73 @@
+// yabridge: a Wine VST bridge
+// Copyright (C) 2020-2021 Robbert van der Helm
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see .
+
+#pragma once
+
+#include
+
+#include "../../common.h"
+#include "../base.h"
+#include "../host-context-proxy.h"
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
+
+/**
+ * Wraps around `IProcessContextRequirements` for serialization purposes. Both
+ * components and edit controllers inherit from this. This is instantiated as
+ * part of `Vst3PluginProxy`.
+ */
+class YaProcessContextRequirements
+ : public Steinberg::Vst::IProcessContextRequirements {
+ public:
+ /**
+ * These are the arguments for creating a `YaProcessContextRequirements`.
+ */
+ struct ConstructArgs {
+ ConstructArgs();
+
+ /**
+ * Check whether an existing implementation implements
+ * `IProcessContextRequirements` and read arguments from it.
+ */
+ ConstructArgs(Steinberg::IPtr object);
+
+ /**
+ * Whether the object supported this interface.
+ */
+ bool supported;
+
+ template
+ void serialize(S& s) {
+ s.value1b(supported);
+ }
+ };
+
+ /**
+ * Instantiate this instance with arguments read from another interface
+ * implementation.
+ */
+ YaProcessContextRequirements(const ConstructArgs&& args);
+
+ inline bool supported() const { return arguments.supported; }
+
+ virtual uint32 PLUGIN_API getProcessContextRequirements() override = 0;
+
+ protected:
+ ConstructArgs arguments;
+};
+
+#pragma GCC diagnostic pop