Initial release

engine/vendor/vst3sdk/public.sdk/source/vst/utility/processcontextrequirements.h

@@ -0,0 +1,146 @@
+//-----------------------------------------------------------------------------
+// Project     : VST SDK
+//
+// Category    : Helpers
+// Filename    : public.sdk/source/vst/utility/processcontextrequirements.h
+// Created by  : Steinberg, 12/2019
+// Description : Helper class to work with IProcessContextRequirements
+//
+//-----------------------------------------------------------------------------
+// This file is part of a Steinberg SDK. It is subject to the license terms
+// in the LICENSE file found in the top-level directory of this distribution
+// and at www.steinberg.net/sdklicenses.
+// No part of the SDK, including this file, may be copied, modified, propagated,
+// or distributed except according to the terms contained in the LICENSE file.
+//-----------------------------------------------------------------------------
+
+#pragma once
+
+#include "pluginterfaces/vst/ivstaudioprocessor.h"
+
+//------------------------------------------------------------------------
+namespace Steinberg {
+namespace Vst {
+
+//------------------------------------------------------------------------
+class ProcessContextRequirements
+{
+private:
+	using Self = ProcessContextRequirements;
+
+public:
+	ProcessContextRequirements (uint32 inFlags = 0) : flags (inFlags) {}
+
+	bool wantsNone () const { return flags == 0; }
+	bool wantsSystemTime () const
+	{
+		return (flags & IProcessContextRequirements::kNeedSystemTime) != 0;
+	}
+	bool wantsContinousTimeSamples () const
+	{
+		return (flags & IProcessContextRequirements::kNeedContinousTimeSamples) != 0;
+	}
+	bool wantsProjectTimeMusic () const
+	{
+		return (flags & IProcessContextRequirements::kNeedProjectTimeMusic) != 0;
+	}
+	bool wantsBarPositionMusic () const
+	{
+		return (flags & IProcessContextRequirements::kNeedBarPositionMusic) != 0;
+	}
+	bool wantsCycleMusic () const
+	{
+		return (flags & IProcessContextRequirements::kNeedCycleMusic) != 0;
+	}
+	bool wantsSamplesToNextClock () const
+	{
+		return (flags & IProcessContextRequirements::kNeedSamplesToNextClock) != 0;
+	}
+	bool wantsTempo () const { return (flags & IProcessContextRequirements::kNeedTempo) != 0; }
+	bool wantsTimeSignature () const
+	{
+		return (flags & IProcessContextRequirements::kNeedTimeSignature) != 0;
+	}
+	bool wantsChord () const { return (flags & IProcessContextRequirements::kNeedChord) != 0; }
+	bool wantsFrameRate () const
+	{
+		return (flags & IProcessContextRequirements::kNeedFrameRate) != 0;
+	}
+	bool wantsTransportState () const
+	{
+		return (flags & IProcessContextRequirements::kNeedTransportState) != 0;
+	}
+
+	/** set SystemTime as requested */
+	Self& needSystemTime ()
+	{
+		flags |= IProcessContextRequirements::kNeedSystemTime;
+		return *this;
+	}
+	/** set ContinousTimeSamples as requested */
+	Self& needContinousTimeSamples ()
+	{
+		flags |= IProcessContextRequirements::kNeedContinousTimeSamples;
+		return *this;
+	}
+	/** set ProjectTimeMusic as requested */
+	Self& needProjectTimeMusic ()
+	{
+		flags |= IProcessContextRequirements::kNeedProjectTimeMusic;
+		return *this;
+	}
+	/** set BarPositionMusic as needed */
+	Self& needBarPositionMusic ()
+	{
+		flags |= IProcessContextRequirements::kNeedBarPositionMusic;
+		return *this;
+	}
+	/** set CycleMusic as needed */
+	Self& needCycleMusic ()
+	{
+		flags |= IProcessContextRequirements::kNeedCycleMusic;
+		return *this;
+	}
+	/** set SamplesToNextClock as needed */
+	Self& needSamplesToNextClock ()
+	{
+		flags |= IProcessContextRequirements::kNeedSamplesToNextClock;
+		return *this;
+	}
+	/** set Tempo as needed */
+	Self& needTempo ()
+	{
+		flags |= IProcessContextRequirements::kNeedTempo;
+		return *this;
+	}
+	/** set TimeSignature as needed */
+	Self& needTimeSignature ()
+	{
+		flags |= IProcessContextRequirements::kNeedTimeSignature;
+		return *this;
+	}
+	/** set Chord as needed */
+	Self& needChord ()
+	{
+		flags |= IProcessContextRequirements::kNeedChord;
+		return *this;
+	}
+	/** set FrameRate as needed */
+	Self& needFrameRate ()
+	{
+		flags |= IProcessContextRequirements::kNeedFrameRate;
+		return *this;
+	}
+	/** set TransportState as needed */
+	Self& needTransportState ()
+	{
+		flags |= IProcessContextRequirements::kNeedTransportState;
+		return *this;
+	}
+
+	uint32 flags {0};
+};
+
+//------------------------------------------------------------------------
+} // Vst
+} // Steinberg