PIX on Windows

Performance tuning and debugging for DirectX 12 games on Windows

PIX 2405.15: Agility SDK 1.614 support and misc bug fixes

May 16, 2024 May 16, 2024 05/16/24
Sam Freed
Today we released PIX version 2405.15, which can be downloaded here. This release has a handful of bug fixes and also adds support for the Direct3D 12 Agility SDK version 1.614. Notably this SDK adds support for the 999e5 texture format. You can find download links and more information about the Agility SDK here...

Open sourcing the WinPixEventRuntime under MIT

March 27, 2024 Mar 27, 2024 03/27/24
Austin Kinross
The WinPixEventRuntime has been open sourced on GitHub under the MIT license! This includes the pix3.h headers (and friends), the code needed to build WinPixEventRuntime.dll, the code needed to decode PIX events, and a wide range of unit tests. The WinPixEventRuntime NuGet package has also switched to the MIT license. We hope this will make...

PIX 2403.08 – New D3D12 features + misc PIX improvements

March 11, 2024 Mar 11, 2024 03/11/24
Austin Kinross
Today we released PIX on Windows version 2403.08, which can be downloaded here. This release coincides with today’s Agility SDK release, which includes support for new features including the final Work Graphs API, GPU Upload Heaps, and more. Please visit this post on the DirectX blog for more information about the Agility SDK release. ...

Circular Timing Captures

January 3, 2024 Jan 3, 2024 01/3/24
Steven Pratschner
Starting with the 2402.07 version of PIX on Windows and version 1.0.231030001 of the WinPIXEventRuntime, Timing Captures can now be run in a new "Circular", or "ring-buffer" mode, in addition to the previously available "Sequential" mode.  The new Circular mode is available both through the PIX UI and programmatically using the ...

PIX 2312.08: misc bug fixes and improvements

December 8, 2023 Dec 8, 2023 12/8/23
Austin Kinross
Today we released PIX version 2312.08, which can be downloaded here. This fixes a lot of issues reported to us since our last major PIX release (version 2310.30, details here). Thank you all for reporting these issues. Please keep sending feedback to us through the usual ways, such as emailing us at askwinpix@microsoft.com or contacting us ...

Saving and Loading PIX Settings

November 14, 2023 Nov 14, 2023 11/14/23
Steven Pratschner
The Settings layout, accessible from the PIX Home tab, provides several controls for configuring various aspects of the PIX user interface and capturing experience.  These settings, along with Timing Capture Timeline configurations, Metrics view configurations, and Metrics View Consolidated Event Patterns can be exported from PIX and saved ...

Defining custom regular expressions for consolidated events in the Timing Capture Metrics view

November 2, 2023 Nov 2, 2023 11/2/23
Steven Pratschner
The consolidated events feature in the Timing Capture Metrics view is used to group, or consolidate, PIX events that follow a common pattern into a single event for purposes of graphing in the Metrics View.  A common use of this feature is to group events such as "Frame 1", "Frame 2", "Frame 3" and so on into a single event.  Prior to the ...

Timing Capture Statistical Comparison Features

November 1, 2023 Nov 1, 2023 11/1/23
Steven Pratschner
Starting with the 2310.30 version of PIX on Windows, the Timing Capture Metrics view can produce a statistical comparision of the average duration for the points that represent PIX event hierarchies in two selected ranges of time.  Statistical comparisions help determine which portions of the event hierarchies had statistically different ...

PIX 2310.30: a faster PIX with many raytracing + other improvements

October 30, 2023 Oct 30, 2023 10/30/23
Austin Kinross
Today we released PIX version 2310.30, which can be downloaded here. We also released WinPixEventRuntime version 2310.30, which can be downloaded here. This release includes many new features and improvements along several key themes: Thank you for all of your feedback and suggestions, and please them coming! The best ways ...