From 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 Mon Sep 17 00:00:00 2001
From: git perforce import user <a@b>
Date: Tue, 25 Oct 2016 12:29:14 -0600
Subject: Initial commit: PhysX 3.4.0 Update @ 21294896 APEX 1.4.0 Update @
 21275617

[CL 21300167]
---
 .../renderer/include/RendererUtils.h               | 90 ++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 PhysX_3.4/Samples/SampleFramework/renderer/include/RendererUtils.h

(limited to 'PhysX_3.4/Samples/SampleFramework/renderer/include/RendererUtils.h')

diff --git a/PhysX_3.4/Samples/SampleFramework/renderer/include/RendererUtils.h b/PhysX_3.4/Samples/SampleFramework/renderer/include/RendererUtils.h
new file mode 100644
index 00000000..d750a9de
--- /dev/null
+++ b/PhysX_3.4/Samples/SampleFramework/renderer/include/RendererUtils.h
@@ -0,0 +1,90 @@
+// This code contains NVIDIA Confidential Information and is disclosed to you
+// under a form of NVIDIA software license agreement provided separately to you.
+//
+// Notice
+// NVIDIA Corporation and its licensors retain all intellectual property and
+// proprietary rights in and to this software and related documentation and
+// any modifications thereto. Any use, reproduction, disclosure, or
+// distribution of this software and related documentation without an express
+// license agreement from NVIDIA Corporation is strictly prohibited.
+//
+// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
+// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved.
+
+
+#ifndef RENDERER_UTILS_H
+#define RENDERER_UTILS_H
+
+namespace SampleRenderer
+{
+
+class safe_bool_base 
+{
+protected:
+	typedef void (safe_bool_base::*bool_type)() const;
+	void this_type_does_not_support_comparisons() const {}
+
+	safe_bool_base() {}
+	safe_bool_base(const safe_bool_base&) {}
+	safe_bool_base& operator=(const safe_bool_base&) {return *this;}
+	~safe_bool_base() {}
+};
+
+template <typename T=void> class safe_bool : public safe_bool_base
+{
+public:
+	operator bool_type() const
+	{
+		return (static_cast<const T*>(this))->boolean_test() ?
+			//&safe_bool_base::this_type_does_not_support_comparisons : 0;
+			&safe_bool<T>::this_type_does_not_support_comparisons : 0;
+	}
+protected:
+	~safe_bool() {}
+};
+
+template<> class safe_bool<void> : public safe_bool_base 
+{
+public:
+	operator bool_type() const 
+	{
+		return boolean_test()==true ? 
+			//&safe_bool_base::this_type_does_not_support_comparisons : 0;
+			&safe_bool<void>::this_type_does_not_support_comparisons : 0;
+	}
+protected:
+	virtual bool boolean_test() const=0;
+	virtual ~safe_bool() {}
+};
+
+template <typename T, typename U> 
+PX_INLINE bool operator==(const safe_bool<T>& lhs,const safe_bool<U>& rhs) 
+{
+	lhs.this_type_does_not_support_comparisons();	
+	return false;
+}
+
+template <typename T,typename U> 
+PX_INLINE bool operator!=(const safe_bool<T>& lhs,const safe_bool<U>& rhs) 
+{
+	lhs.this_type_does_not_support_comparisons();
+	return false;	
+}
+
+}
+
+#endif
-- 
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