| 1 | // | 
| 2 | // Redistribution and use in source and binary forms, with or without | 
| 3 | // modification, are permitted provided that the following conditions | 
| 4 | // are met: | 
| 5 | //  * Redistributions of source code must retain the above copyright | 
| 6 | //    notice, this list of conditions and the following disclaimer. | 
| 7 | //  * Redistributions in binary form must reproduce the above copyright | 
| 8 | //    notice, this list of conditions and the following disclaimer in the | 
| 9 | //    documentation and/or other materials provided with the distribution. | 
| 10 | //  * Neither the name of NVIDIA CORPORATION nor the names of its | 
| 11 | //    contributors may be used to endorse or promote products derived | 
| 12 | //    from this software without specific prior written permission. | 
| 13 | // | 
| 14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY | 
| 15 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
| 16 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 
| 17 | // PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR | 
| 18 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 
| 19 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 
| 20 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 
| 21 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 
| 22 | // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
| 23 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
| 24 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
| 25 | // | 
| 26 | // Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved. | 
| 27 | // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. | 
| 28 | // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. | 
| 29 |  | 
| 30 | #ifndef PXPVDSDK_PXPVD_H | 
| 31 | #define PXPVDSDK_PXPVD_H | 
| 32 |  | 
| 33 | /** \addtogroup pvd | 
| 34 | @{ | 
| 35 | */ | 
| 36 | #include "foundation/PxFlags.h" | 
| 37 | #include "foundation/PxProfiler.h" | 
| 38 |  | 
| 39 | #if !PX_DOXYGEN | 
| 40 | namespace physx | 
| 41 | { | 
| 42 | #endif | 
| 43 |  | 
| 44 | class PxFoundation; | 
| 45 | class PxPvdTransport; | 
| 46 |  | 
| 47 | /** | 
| 48 | \brief types of instrumentation that PVD can do. | 
| 49 | */ | 
| 50 | struct PxPvdInstrumentationFlag | 
| 51 | { | 
| 52 | 	enum Enum | 
| 53 | 	{ | 
| 54 | 		/** | 
| 55 | 			\brief Send debugging information to PVD. | 
| 56 |  | 
| 57 | 			This information is the actual object data of the rigid statics, shapes, | 
| 58 | 			articulations, etc.  Sending this information has a noticeable impact on | 
| 59 | 			performance and thus this flag should not be set if you want an accurate | 
| 60 | 			performance profile. | 
| 61 | 	     */ | 
| 62 | 		eDEBUG   = 1 << 0, | 
| 63 |  | 
| 64 | 		/** | 
| 65 | 			\brief Send profile information to PVD. | 
| 66 |  | 
| 67 | 			This information populates PVD's profile view.  It has (at this time) negligible | 
| 68 | 			cost compared to Debug information and makes PVD *much* more useful so it is quite | 
| 69 | 			highly recommended. | 
| 70 |  | 
| 71 | 			This flag works together with a PxCreatePhysics parameter. | 
| 72 | 			Using it allows the SDK to send profile events to PVD. | 
| 73 | 	    */ | 
| 74 | 		ePROFILE = 1 << 1, | 
| 75 |  | 
| 76 | 		/** | 
| 77 | 			\brief Send memory information to PVD. | 
| 78 |  | 
| 79 | 			The PVD sdk side hooks into the Foundation memory controller and listens to | 
| 80 | 			allocation/deallocation events.  This has a noticable hit on the first frame, | 
| 81 | 			however, this data is somewhat compressed and the PhysX SDK doesn't allocate much | 
| 82 | 			once it hits a steady state.  This information also has a fairly negligible | 
| 83 | 			impact and thus is also highly recommended. | 
| 84 |  | 
| 85 | 			This flag works together with a PxCreatePhysics parameter, | 
| 86 | 			trackOutstandingAllocations.  Using both of them together allows users to have | 
| 87 | 			an accurate view of the overall memory usage of the simulation at the cost of | 
| 88 | 			a hashtable lookup per allocation/deallocation.  Again, PhysX makes a best effort | 
| 89 | 			attempt not to allocate or deallocate during simulation so this hashtable lookup | 
| 90 | 			tends to have no effect past the first frame. | 
| 91 |  | 
| 92 | 			Sending memory information without tracking outstanding allocations means that | 
| 93 | 			PVD will accurate information about the state of the memory system before the | 
| 94 | 			actual connection happened. | 
| 95 | 	    */ | 
| 96 | 		eMEMORY  = 1 << 2, | 
| 97 |  | 
| 98 | 		eALL     = (eDEBUG | ePROFILE | eMEMORY) | 
| 99 | 	}; | 
| 100 | }; | 
| 101 |  | 
| 102 | /** | 
| 103 | \brief Bitfield that contains a set of raised flags defined in PxPvdInstrumentationFlag. | 
| 104 |  | 
| 105 | @see PxPvdInstrumentationFlag | 
| 106 | */ | 
| 107 | typedef PxFlags<PxPvdInstrumentationFlag::Enum, uint8_t> PxPvdInstrumentationFlags; | 
| 108 | PX_FLAGS_OPERATORS(PxPvdInstrumentationFlag::Enum, uint8_t) | 
| 109 |  | 
| 110 | /** | 
| 111 | \brief PxPvd is the top-level class for the PVD framework, and the main customer interface for PVD | 
| 112 | configuration.It is a singleton class, instantiated and owned by the application. | 
| 113 | */ | 
| 114 | class PxPvd : public physx::PxProfilerCallback | 
| 115 | { | 
| 116 |   public: | 
| 117 | 	/** | 
| 118 | 	Connects the SDK to the PhysX Visual Debugger application. | 
| 119 | 	\param transport transport for pvd captured data. | 
| 120 | 	\param flags Flags to set. | 
| 121 | 	return True if success | 
| 122 | 	*/ | 
| 123 | 	virtual bool connect(PxPvdTransport& transport, PxPvdInstrumentationFlags flags) = 0; | 
| 124 |  | 
| 125 | 	/** | 
| 126 | 	Disconnects the SDK from the PhysX Visual Debugger application. | 
| 127 | 	If we are still connected, this will kill the entire debugger connection. | 
| 128 | 	*/ | 
| 129 | 	virtual void disconnect() = 0; | 
| 130 |  | 
| 131 | 	/** | 
| 132 | 	 *	Return if connection to PVD is created. | 
| 133 | 	  \param useCachedStatus | 
| 134 | 	    1> When useCachedStaus is false, isConnected() checks the lowlevel network status. | 
| 135 | 	       This can be slow because it needs to lock the lowlevel network stream. If isConnected() is | 
| 136 | 	       called frequently, the expense of locking can be significant. | 
| 137 | 	    2> When useCachedStatus is true, isConnected() checks the highlevel cached status with atomic access. | 
| 138 | 	       It is faster than locking, but the status may be different from the lowlevel network with latency of up to | 
| 139 | 	       one frame. | 
| 140 | 	       The reason for this is that the cached status is changed inside socket listener, which is not | 
| 141 | 	       called immediately when the lowlevel connection status changes. | 
| 142 | 	 */ | 
| 143 | 	virtual bool isConnected(bool useCachedStatus = true) = 0; | 
| 144 |  | 
| 145 | 	/** | 
| 146 | 	returns the PVD data transport | 
| 147 | 	returns NULL if no transport is present. | 
| 148 | 	*/ | 
| 149 | 	virtual PxPvdTransport* getTransport() = 0; | 
| 150 |  | 
| 151 | 	/** | 
| 152 | 	Retrieves the PVD flags. See PxPvdInstrumentationFlags. | 
| 153 | 	*/ | 
| 154 | 	virtual PxPvdInstrumentationFlags getInstrumentationFlags() = 0; | 
| 155 |  | 
| 156 | 	/** | 
| 157 | 	\brief Releases the pvd instance. | 
| 158 | 	*/ | 
| 159 | 	virtual void release() = 0; | 
| 160 |  | 
| 161 |   protected: | 
| 162 | 	virtual ~PxPvd() | 
| 163 | 	{ | 
| 164 | 	} | 
| 165 | }; | 
| 166 |  | 
| 167 | /** | 
| 168 | 	\brief Create a pvd instance. 	 | 
| 169 | 	\param foundation is the foundation instance that stores the allocator and error callbacks. | 
| 170 | */ | 
| 171 | PX_C_EXPORT PxPvd* PX_CALL_CONV PxCreatePvd(PxFoundation& foundation); | 
| 172 |  | 
| 173 | #if !PX_DOXYGEN | 
| 174 | } // namespace physx | 
| 175 | #endif | 
| 176 |  | 
| 177 | /** @} */ | 
| 178 | #endif // PXPVDSDK_PXPVD_H | 
| 179 |  |