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Diffstat (limited to 'PhysX_3.4/Samples/SampleFramework/renderer/include/RendererUtils.h')
| -rw-r--r-- | PhysX_3.4/Samples/SampleFramework/renderer/include/RendererUtils.h | 90 |
1 files changed, 90 insertions, 0 deletions
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 |