1 files changed, 237 insertions, 0 deletions
diff --git a/Src/external_dependencies/openmpt-trunk/pluginBridge/BridgeWrapper.h b/Src/external_dependencies/openmpt-trunk/pluginBridge/BridgeWrapper.h
new file mode 100644
index 00000000..47df012f
--- /dev/null
+++ b/Src/external_dependencies/openmpt-trunk/pluginBridge/BridgeWrapper.h
@@ -0,0 +1,237 @@
+/*
+ * BridgeWrapper.h
+ * ---------------
+ * Purpose: VST plugin bridge wrapper (host side)
+ * Notes  : (currently none)
+ * Authors: OpenMPT Devs
+ * The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
+ */
+
+
+#pragma once
+
+#include "openmpt/all/BuildSettings.hpp"
+
+#ifdef MPT_WITH_VST
+
+#include "BridgeCommon.h"
+#include "../common/ComponentManager.h"
+
+OPENMPT_NAMESPACE_BEGIN
+
+struct VSTPluginLib;
+
+enum PluginArch : int
+{
+	PluginArch_unknown =        0,
+	PluginArch_x86     =       32,
+	PluginArch_amd64   =       64,
+	PluginArch_arm     = 128 + 32,
+	PluginArch_arm64   = 128 + 64,
+};
+
+std::size_t GetPluginArchPointerSize(PluginArch arch);
+
+enum class Generation
+{
+	Legacy,
+	Modern,
+};
+
+class ComponentPluginBridge
+	: public ComponentBase
+{
+public:
+	enum Availability
+	{
+		AvailabilityUnknown      =  0,
+		AvailabilityOK           =  1,
+		AvailabilityMissing      = -1,
+		AvailabilityWrongVersion = -2,
+	};
+private:
+	const PluginArch arch;
+	const Generation generation;
+	mpt::PathString exeName;
+	Availability availability = AvailabilityUnknown;
+protected:
+	ComponentPluginBridge(PluginArch arch, Generation generation);
+protected:
+	bool DoInitialize() override;
+public:
+	Availability GetAvailability() const { return availability; }
+	mpt::PathString GetFileName() const { return exeName; }
+};
+
+class ComponentPluginBridge_x86
+	: public ComponentPluginBridge
+{
+	MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridge_x86, "PluginBridge-x86")
+public:
+	ComponentPluginBridge_x86() : ComponentPluginBridge(PluginArch_x86, Generation::Modern) { }
+};
+
+class ComponentPluginBridgeLegacy_x86
+	: public ComponentPluginBridge
+{
+	MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridgeLegacy_x86, "PluginBridgeLegacy-x86")
+public:
+	ComponentPluginBridgeLegacy_x86() : ComponentPluginBridge(PluginArch_x86, Generation::Legacy) { }
+};
+
+class ComponentPluginBridge_amd64
+	: public ComponentPluginBridge
+{
+	MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridge_amd64, "PluginBridge-amd64")
+public:
+	ComponentPluginBridge_amd64() : ComponentPluginBridge(PluginArch_amd64, Generation::Modern) { }
+};
+
+class ComponentPluginBridgeLegacy_amd64
+	: public ComponentPluginBridge
+{
+	MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridgeLegacy_amd64, "PluginBridgeLegacy-amd64")
+public:
+	ComponentPluginBridgeLegacy_amd64() : ComponentPluginBridge(PluginArch_amd64, Generation::Legacy) { }
+};
+
+#if defined(MPT_WITH_WINDOWS10)
+
+class ComponentPluginBridge_arm
+	: public ComponentPluginBridge
+{
+	MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridge_arm, "PluginBridge-arm")
+public:
+	ComponentPluginBridge_arm() : ComponentPluginBridge(PluginArch_arm, Generation::Modern) { }
+};
+
+class ComponentPluginBridgeLegacy_arm
+	: public ComponentPluginBridge
+{
+	MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridgeLegacy_arm, "PluginBridgeLegacy-arm")
+public:
+	ComponentPluginBridgeLegacy_arm() : ComponentPluginBridge(PluginArch_arm, Generation::Legacy) { }
+};
+
+class ComponentPluginBridge_arm64
+	: public ComponentPluginBridge
+{
+	MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridge_arm64, "PluginBridge-arm64")
+public:
+	ComponentPluginBridge_arm64() : ComponentPluginBridge(PluginArch_arm64, Generation::Modern) { }
+};
+
+class ComponentPluginBridgeLegacy_arm64
+	: public ComponentPluginBridge
+{
+	MPT_DECLARE_COMPONENT_MEMBERS(ComponentPluginBridgeLegacy_arm64, "PluginBridgeLegacy-arm64")
+public:
+	ComponentPluginBridgeLegacy_arm64() : ComponentPluginBridge(PluginArch_arm64, Generation::Legacy) { }
+};
+
+
+
+#endif // MPT_WITH_WINDOWS10
+
+class BridgeWrapper : private BridgeCommon
+{
+protected:
+	Event m_sigAutomation;
+	MappedMemory m_oldProcessMem;
+
+	// Helper struct for keeping track of auxiliary shared memory
+	struct AuxMem
+	{
+		std::atomic<bool> used = false;
+		std::atomic<uint32> size = 0;
+		MappedMemory memory;
+		wchar_t name[64];
+	};
+	AuxMem m_auxMems[MSG_STACK_SIZE];
+	
+	std::vector<char> m_cachedProgNames;
+	std::vector<ParameterInfo> m_cachedParamInfo;
+	std::vector<float> m_cachedParamValues;
+	int32 m_cachedProgNameStart = 0, m_cachedParamInfoStart = 0;
+	
+	bool m_isSettingProgram = false;
+
+	Vst::ERect m_editRect;
+	Vst::VstSpeakerArrangement m_speakers[2];
+
+	ComponentHandle<ComponentPluginBridge_x86> pluginBridge_x86;
+	ComponentHandle<ComponentPluginBridgeLegacy_x86> pluginBridgeLegacy_x86;
+	ComponentHandle<ComponentPluginBridge_amd64> pluginBridge_amd64;
+	ComponentHandle<ComponentPluginBridgeLegacy_amd64> pluginBridgeLegacy_amd64;
+#if defined(MPT_WITH_WINDOWS10)
+	ComponentHandle<ComponentPluginBridge_arm> pluginBridge_arm;
+	ComponentHandle<ComponentPluginBridgeLegacy_arm> pluginBridgeLegacy_arm;
+	ComponentHandle<ComponentPluginBridge_arm64> pluginBridge_arm64;
+	ComponentHandle<ComponentPluginBridgeLegacy_arm64> pluginBridgeLegacy_arm64;
+#endif // MPT_WITH_WINDOWS10
+
+	Generation m_Generation = Generation::Modern;
+
+public:
+
+	// Generic bridge exception
+	class BridgeException : public std::exception
+	{
+	public:
+		BridgeException(const char *str) : std::exception(str) { }
+		BridgeException() { }
+	};
+	class BridgeNotFoundException : public BridgeException { };
+
+	// Exception from bridge process
+	class BridgeRemoteException
+	{
+	protected:
+		wchar_t *str;
+	public:
+		BridgeRemoteException(const wchar_t *str_) : str(_wcsdup(str_)) { }
+		BridgeRemoteException(const BridgeRemoteException &) = delete;
+		BridgeRemoteException & operator=(const BridgeRemoteException &) = delete;
+		~BridgeRemoteException() { free(str); }
+		const wchar_t *what() const { return str; }
+	};
+
+public:
+	static PluginArch GetNativePluginBinaryType();
+	static PluginArch GetPluginBinaryType(const mpt::PathString &pluginPath);
+	static bool IsPluginNative(const mpt::PathString &pluginPath) { return GetPluginBinaryType(pluginPath) == GetNativePluginBinaryType(); }
+	static uint64 GetFileVersion(const WCHAR *exePath);
+
+	static Vst::AEffect *Create(const VSTPluginLib &plugin, bool forceLegacy);
+
+protected:
+	BridgeWrapper();
+	~BridgeWrapper();
+
+	bool Init(const mpt::PathString &pluginPath, Generation bridgeGeneration, BridgeWrapper *sharedInstace);
+
+	void ParseNextMessage(int msgID);
+	void DispatchToHost(DispatchMsg &msg);
+	bool SendToBridge(BridgeMessage &sendMsg);
+	void SendAutomationQueue();
+	AuxMem *GetAuxMemory(uint32 size);
+
+	static intptr_t VSTCALLBACK DispatchToPlugin(Vst::AEffect *effect, Vst::VstOpcodeToPlugin opcode, int32 index, intptr_t value, void *ptr, float opt);
+	intptr_t DispatchToPlugin(Vst::VstOpcodeToPlugin opcode, int32 index, intptr_t value, void *ptr, float opt);
+	static void VSTCALLBACK SetParameter(Vst::AEffect *effect, int32 index, float parameter);
+	void SetParameter(int32 index, float parameter);
+	static float VSTCALLBACK GetParameter(Vst::AEffect *effect, int32 index);
+	float GetParameter(int32 index);
+	static void VSTCALLBACK Process(Vst::AEffect *effect, float **inputs, float **outputs, int32 sampleFrames);
+	static void VSTCALLBACK ProcessReplacing(Vst::AEffect *effect, float **inputs, float **outputs, int32 sampleFrames);
+	static void VSTCALLBACK ProcessDoubleReplacing(Vst::AEffect *effect, double **inputs, double **outputs, int32 sampleFrames);
+
+	template<typename buf_t>
+	void BuildProcessBuffer(ProcessMsg::ProcessType type, int32 numInputs, int32 numOutputs, buf_t **inputs, buf_t **outputs, int32 sampleFrames);
+
+	static LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
+};
+
+OPENMPT_NAMESPACE_END
+
+#endif // MPT_WITH_VST