Shawn Hargreaves

Dev lead on the Direct3D team at Microsoft.

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PIX 1711.28 – GPU memory usage, TDR debugging, DXIL shader debugging, and child process GPU capture

November 30th, 2017
Today we released PIX_1711.28.  New in this release:   (image)   (image...

PIX 1709.18.004 – Dr. PIX bandwidth on AMD and Intel, access tracking for bindless resources, more performance warnings, and pixtool save-resource

September 19th, 2017
Today we released PIX 1709.18.004 beta and an updated WinPixEventRuntime (version 1.0.170918004). New in this release...

PIX 1707.25 – counter rollup, new Dr. PIX experiments, pixel kill reason, and pixtool.exe

July 25th, 2017
Today we released PIX 1707.25 beta. New in this release:   (image...

PIX 1706.25.002 – system monitor and timing capture improvements

June 27th, 2017
Today we released PIX 1706.25.002 beta and an updated WinPixEventRuntime (version 1.0.170625002). New in this release:   (image...

PIX 1705.17 – Intel GPU counters

May 18th, 2017
PIX 1705.17 beta is now available for download. This release introduces a partnership with Intel.  We are pleased to announce that PIX now supports a set of ~200 hardware performance counters when running on a compatible Intel GPU.  The new data includes processing counts, busy percentages, and bottleneck information from different parts of...

PIX 1705.16 – AMD GPU counters, preliminary DXIL support, and more warnings

May 17th, 2017
Today we released PIX 1705.16 beta.  New in this release:   AMD GPU Counters We are delighted to announce a partnership with AMD to enable a rich set of hardware performance counters inside PIX.  When running on an AMD GPU with the latest driver (17.5.1) you will see ~90 newly available counters that can be added to the...

PIX 1704.27 – D3D12 usage warnings, Dr. PIX, and CPU hotpath analysis

April 27th, 2017
Today we released PIX 1704.27 beta.  New in this release:   Warnings New GPU capture warnings are available in the Warnings pane.  To analyze a capture for them, click on Collect Experimental Warnings. Each new warning will be marked experimental until we build up confidence that it is working reliably and not...

PIX 1704.14-servicing – graphics driver compatibility fix

April 14th, 2017
Today we released a bugfix update: PIX 1704.14-servicing.  This resolves an incompatibility between PIX and the latest NVIDIA graphics drivers.  This version is otherwise identical to the previous 1703.20.002 release (but stay tuned - we are hard at work on some new features that will be showing up soon...

PIX videos on Channel 9

April 4th, 2017
From GDC 2017, Shawn Hargreaves and Max McMullen talk about D3D12 Performance Tuning and Debugging with PIX and GPU Validation. Seth Juarez talks to Brian Rasmussen from the PIX team and Cameron Egbert from the Minecraft team about debugging and performance optimization for DirectX 12 games with PIX on Windows...

PIX 1703.20.002 – NVIDIA GPU counters, file IO traces, shader edit & continue, and pixel cost visualizer

March 20th, 2017
Today we released PIX 1703.20.002 beta.  New in this release:   NVIDIA GPU Counters As recently announced at GDC, we have partnered with NVIDIA to enable a rich set of hardware performance counters inside PIX.  When running on an NVIDIA GPU with the latest driver (378.92) you will see ~300 newly available counters...