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Archive for December, 2011

PhysX 2011: Year in Review

with one comment

It is time to summarize what PhysX Technology has achieved in year 2011, recall the most memorable events and releases.

. GAMES

GPU physics acceleration still can not gain enough momentum – only two games with support for GPU PhysX effects were released this year, this is the lowest result since Ageia was aquired.

One may call this an agony, but NVIDIA has told us that it was “conscious decision” – time was taken to develop and improve underlaying technology (PhysX SDK, APEX, DCC tools), thus sacrificing ability to create content and  integrate it into many games.

It was promised that we will see “more GPU PhysX games next year than you did this year” and even “a lot more in 2013″.

Meanwhile, both GPU PhysX titles released this year were pretty interesting by themselves:

PhysX SDK as physics engine is still widely adopted by developers – over 45 PC console and games were released this year, according to our database.

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Written by Zogrim

December 30th, 2011 at 10:10 pm

Posted in Articles, Reviews

Tagged with ,

First Beta of PhysX SDK 3.2 is released

with 14 comments

NVIDIA has revealed PhysX SDK 3.2 Beta-1, thus providing early public access to next general release of PhysX 3, enhanced with many features and improvements – as a Christmas present, we suppose.

Update [25.01.2012]: PhysX SDK 3.2 Beta-2 is available

Update #2 [20.03.2012]: SDK 3.2 Beta-3 is released

Update #3 [10.05.2012]: Final release is available

Binary SDKs are available for Windows PC, Linux, Mac OSX and Android platforms.

PhysX SDK 3.2 Beta-1/Beta-2/Beta-3 can be downloaded at Developer Support Center.

If you are experiencing trouble with registration of PhysX Developer account, please refer to our registration guide.

PhysX SDK 3.2 Beta-1/Beta-2/Beta-3 Release Notes:

General:

  • Three new sample applications: SampleCharacterCloth (character with cloth cape and cloth flags), SampleBridges (character controller walking on dynamic bridges and moving platforms), SampleGravity (character controller with arbitrary up vector).
  • On Windows, the PxFoundation instance is now a process wide singleton and part of the new PhysX3Common.dll library.
  • PxCreatePhysics() does not create a PxFoundation instance any longer. The PxFoundation instance has to be created in advance through PxCreateFoundation().
  • Calls to PxCreatePhysics() are not valid anymore if a PxPhysics instance already exists.
  • If profiling information should be sent to the PhysX Visual Debugger, a PxProfileZoneManager instance has to be provided when creating the PxPhysics instance.
  • The version number constant PX_PUBLIC_FOUNDATION_VERSION has been replaced with PX_PHYSICS_VERSION. Both PxFoundation and PxPhysics use the same version number now.
  • The API now distinguishes between input and output stream types.
  • Added mechanism to reduce code size by not linking optional components. See PxCreateBasePhysics() and the PxRegister*() functions.
  • Added getConcreteTypeName() to API classes to provide run time type information.
  • Added PxScene::getTimestamp() to retrieve the simulation counter.
  • PxGetFoundation has been moved to PxGetFoundation.h
  • Changed the functions PxPhysics::releaseUserReferences(), releaseCollection(), addCollection() and releaseCollected() to now take a reference rather than a pointer.
  • The signature of PxCreatePhysics has changed: The Foundation SDK instance must be passed in explicitly. One can also hook profiling information by passing a PxProfileZoneManager.
  • [Beta-3] Contact data block allocation now provides statistics on usage and max usage.
  • [Beta-3] On all platforms except PS3, contact data blocks can be progressively allocated.
  • [Beta-3] Changed the functions PxPhysics::releaseUserReferences(), releaseCollection(), addCollection() and releaseCollected() to now take a reference rather than a pointer.
  • [Beta-3] Default implementations of memory and file streams added in PxDefaultStreams.h
  • [Beta-3] Renamed PxPhysics::getMetaData() to ::PxGetSDKMetaData().
  • [Beta-2] Platform conversion for serialized data has been moved from the ConvX command line tool to the PxBinaryConverter interface in the cooking library.
  • [Beta-2] Documentation has been updated.
  • [Beta-3] Added migration guide page from 3.1 to 3.2 to user’s guide.
  • [Beta-2] Samples have been updated.
  • [Beta-2] Various bug fixes.

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Written by Zogrim

December 23rd, 2011 at 2:01 am

Posted in PhysX SDK

Tagged with , ,

Comparison PhysX screenshots for Batman: Arkham City

with 7 comments

We have added a set of comparison PhysX screenshots for Batman: Arkham City, which in pair with previously released comparison video are completing our GPU PhysX Profile for this title.

You can view comparison screenshots, video and additional info at Batman: Arkham City – GPU PhysX Profile page.

Written by Zogrim

December 18th, 2011 at 7:32 pm

Posted in PhysX Games

Tagged with , , ,

More PhysXLab tutorials: Fracture Maps and Multi FBX import

with one comment

NVIDIA has uploaded new portion of video tutorials, covering various aspects of APEX Destruction authoring process using PhysXLab tool.

First set of tutorials is explaining creation and usage of Fracture Maps – simple black-and-white images, that can be used to specify fracturing pattern for cut-out fracturing mode.

APEX Destruction: Fracture Maps (Part 1) – Photoshop

APEX Destruction: Fracture Maps (Part 2) with PhysXLab

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Written by Zogrim

December 7th, 2011 at 11:17 pm

Posted in PhysX Tools

Tagged with , , , ,

Updated PhysX SDK 3.1.1 is available

with one comment

Updated PhysX 3.1.1, which adresses many issues found in SDK 3.1.0, is now available for download.

nvidia-physx

Update [11.01.2012]: PhysX SDK 3.1.2 available

  • Fixed wrong write/read clash checks.
  • Removed some compiler warnings from public header files.
  • Fixed PxScene::getActors() returning wrong actors when a start index is specified.
  • Fixed broken joint projection in connection with kinematics.
  • Fixed inaccurate normals returned from height field scene queries.
  • Fixed a crash when the geometry of a shape changes and then the actor gets removed from the scene while the simulation is running.
  • Fixed a crash when re-adding scene-query shape actors to scene.
  • Fixed crash bug in particle simulation code on GPU.
  • Fixed a crash when GPU fabrics are shared between cloths.
  • Fixed a hang in cloth fiber cooker when handed non-manifold geometry.
  • Fixed SampleVehicle doing an invalid write.
  • Fixed SampleVehicle jitter in profile build.

PhysX SDK 3.1.1 Release Notes:

General

  • Ported samples to Linux.
  • Fixed crash bug in ConvX.
  • Fixed crash bug in the allocator code of PXC_NP_MEM_BLOCK_EXTENSIBLE.
  • Fixed crash bug when connected to PVD on various platforms.
  • Fixed bogus asserts due to overly strict validation of quaternions.
  • Fixed one frame lag in PVD scene statistics.
  • Fixed a number of OSX PVD sockets issues.
  • Fixed SampleSubmarine code that violated concurrent read/writes restriction.
  • Added warnings about read/write hazards to the checked build.
  • Fixed RepX not reading joint properties.
  • Fixed support for concurrent scene queries.
  • Fixed PhysX GPU Visual Indicator support.
  • Made it more clear in documentation that simulate(0) is not allowed.

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Written by Zogrim

December 2nd, 2011 at 10:14 pm

Posted in PhysX SDK

Tagged with , ,

Batman: Arkham City PhysX benchmarks roundup

with 5 comments

Time to update PhysX performance metrics of NVIDIA GPUs with newest title with Hardware PhysX support – Batman: Arkham City.

In following article we’ve tried to gather all the benchmarks and tests, published on the web.

[25.11.2011] Batman Arkham City im Technik-Test: Grafikkarten-, DirectX-11- und Physx-Benchmarks by PCGamesHardware.de

German article with graphics benchmarks, overview of DX 11 and PhysX features, and a superficial PhysX tests.

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Written by Zogrim

December 1st, 2011 at 1:13 am

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