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authorgit perforce import user <a@b>2016-10-25 12:29:14 -0600
committerSheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees>2016-10-25 18:56:37 -0500
commit3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch)
treefa6485c169e50d7415a651bf838f5bcd0fd3bfbd /APEX_1.4/NvParameterized/include/PlatformInputStream.h
downloadphysx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz
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Initial commit:
PhysX 3.4.0 Update @ 21294896 APEX 1.4.0 Update @ 21275617 [CL 21300167]
Diffstat (limited to 'APEX_1.4/NvParameterized/include/PlatformInputStream.h')
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+// 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) 2008-2013 NVIDIA Corporation. All rights reserved.
+
+#ifndef PLATFORM_INPUT_STREAM_H_
+#define PLATFORM_INPUT_STREAM_H_
+
+// WARNING: before doing any changes to this file
+// check comments at the head of BinSerializer.cpp
+
+#include "PlatformStream.h"
+#include "ApbDefinitions.h"
+
+namespace NvParameterized
+{
+
+//ABI-aware input stream
+class PlatformInputStream: public PlatformStream
+{
+ physx::PxFileBuf &mStream;
+ physx::shdfnd::Array<uint32_t, Traits::Allocator> mPos;
+ uint32_t mStartPos; //This is necessary to handle NvParameterized streams starting in the middle of other files
+
+ PlatformInputStream(const PlatformInputStream &); //Don't
+ void operator =(const PlatformInputStream &); //Don't
+
+public:
+ PlatformInputStream(physx::PxFileBuf &stream, const PlatformABI &targetParams, Traits *traits);
+
+ Serializer::ErrorType skipBytes(uint32_t nbytes);
+
+ Serializer::ErrorType pushPos(uint32_t newPos);
+
+ void popPos();
+
+ uint32_t getPos() const;
+
+ //Read string stored at given offset
+ //TODO: this could much faster if we loaded whole dictionary in the beginning
+ Serializer::ErrorType readString(uint32_t off, const char *&s);
+
+ //Deserialize header of NvParameterized object (see wiki for details)
+ Serializer::ErrorType readObjHeader(ObjHeader &hdr);
+
+ //Deserialize primitive type
+ template<typename T> PX_INLINE Serializer::ErrorType read(T &x, bool doAlign = true);
+
+ //Deserialize array of primitive type (slow path)
+ template<typename T> PX_INLINE Serializer::ErrorType readSimpleArraySlow(Handle &handle);
+
+ //Deserialize array of structs of primitive type
+ Serializer::ErrorType readSimpleStructArray(Handle &handle);
+
+ //Deserialize array of primitive type
+ template<typename T> PX_INLINE Serializer::ErrorType readSimpleArray(Handle &handle);
+
+ //Align current offset according to supplied alignment and padding
+ void beginStruct(uint32_t align_, uint32_t pad_);
+
+ //Align current offset according to supplied alignment (padding = alignment)
+ void beginStruct(uint32_t align_);
+
+ //Align current offset according to supplied DataType
+ void beginStruct(const Definition *pd);
+
+ //Insert tail padding
+ void closeStruct();
+
+ //beginStruct for DummyStringStruct
+ void beginString();
+
+ //closeStruct for DummyStringStruct
+ void closeString();
+
+ //beginStruct for arrays
+ void beginArray(const Definition *pd);
+
+ //closeStruct for arrays
+ void closeArray();
+
+ //Align offset to be n*border
+ void align(uint32_t border);
+
+ //Read value of pointer (offset from start of file)
+ Serializer::ErrorType readPtr(uint32_t &val);
+};
+
+#include "PlatformInputStream.inl"
+
+}
+
+#endif