Imported Upstream version 0.13.2+dsfg1

libobs/util/profiler.hpp

@@ -0,0 +1,52 @@
+#pragma once
+
+#include "profiler.h"
+
+struct ScopeProfiler {
+	const char *name;
+	bool enabled = true;
+
+	ScopeProfiler(const char *name)
+		: name(name)
+	{
+		profile_start(name);
+	}
+
+	~ScopeProfiler() { Stop(); }
+
+	ScopeProfiler(const ScopeProfiler &) = delete;
+	ScopeProfiler(ScopeProfiler &&other)
+		: name(other.name),
+		  enabled(other.enabled)
+	{
+		other.enabled = false;
+	}
+
+	ScopeProfiler &operator=(const ScopeProfiler &) = delete;
+	ScopeProfiler &operator=(ScopeProfiler &&other) = delete;
+
+	void Stop()
+	{
+		if (!enabled)
+			return;
+
+		profile_end(name);
+		enabled = false;
+	}
+};
+
+#ifndef NO_PROFILER_MACROS
+
+#define ScopeProfiler_NameConcatImpl(x, y) x ## y
+#define ScopeProfiler_NameConcat(x, y) ScopeProfiler_NameConcatImpl(x, y)
+
+#ifdef __COUNTER__
+#define ScopeProfiler_Name(x) ScopeProfiler_NameConcat(x, __COUNTER__)
+#else
+#define ScopeProfiler_Name(x) ScopeProfiler_NameConcat(x, __LINE__)
+#endif
+
+#define ProfileScope(x) ScopeProfiler \
+	ScopeProfiler_Name(SCOPE_PROFILE){x}
+
+#endif