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@github-actions github-actions released this 25 Oct 01:55
· 56 commits to main since this release
v0.1.2
0f9341f

PGR4 native renderer

Project Gotham Racing 4 (Title Update #2), recompiled for 64-bit Windows from the Xbox 360
executable, with a native Direct3D 12 renderer. It is tuned for the Steam Deck OLED: 1280x800
at 90 fps, MSAA and motion blur on. It runs on Windows and, through Proton, on SteamOS and Linux.
It is built with the ReXGlue SDK and fixes from Xenia Canary; its frame rate unlock and game
fixes follow those MTR-PGR4 (github.com/MissingThePixel/MTR-PGR4) found.

This package holds no game data. You need your own copy of the game.

What goes where

Put these beside pgr4_recompiled.exe:

game/            the disc's files: default.xex, Game/, UI/ and the rest
game/Content/    Title Update #2's package, and downloadable content if you have it

  • game/: the files extracted from your PGR4 disc (an ISO extractor such as XBOX360 ISO
    Extract does this). game/default.xex must exist.

  • game/Content/: the packages as they come from Xbox Live or off a console, unchanged:

    • Title Update #2 (version 0.0.2.1), TU_16L61VP_0000004000000.00000000000G1. The game runs
      only with this update, since the code was recompiled from it. Its SHA-256 is
      9980cf82c3bbbb32b35c841532c832b5598e99ce50daba8c658645213ab3d9b8.
    • DLC, the files named by a 42-digit hex ID (Vehicle Pack 1 is
      638152C719C45657B6640991BA6375D88A9D437D4D), if you have it.

    The first start installs each new package into userdata/.

If you have the update's two files extracted instead of its package, put them in a folder named
title-update/ beside the executable. That folder takes precedence over the package. Their
SHA-256:

default.xexp         7e7c672b542dc20d20bed72e27603335701a6eb9f243d2a8a2468bb966ee9401
Pgr4TitleUpdate.bin  f4bc47545df5fe8d0301bd4593d3b7b6e3871520f98e5f7249921973781a4b74

The first start creates userdata/ (your save and the shader caches) and logs/ beside the
executable. Keep userdata/ when you update to a new release.

Steam Deck

  1. In Desktop Mode, copy this folder (with game/ filled in) anywhere, for example
    ~/Games/PGR4.
  2. Steam > Games > Add a Non-Steam Game to My Library > Browse, select pgr4_recompiled.exe.
  3. In the shortcut's Properties > Compatibility, force a Proton version (tested: GE-Proton 11-5).
  4. In Properties > General > Launch Options, enter PROTON_USE_XALIA=0 DXVK_HDR=1 %command%.
    Xalia, Proton's gamepad helper for desktop programs, otherwise takes about a tenth of a CPU
    core during races. DXVK_HDR=1 lets the game output HDR where the display takes it (the
    OLED model, or an HDR TV, with HDR on in Steam's display settings).
  5. Play it from Game Mode. The frame rate follows the display: 90 fps on the OLED, 60 on the
    LCD model. Steam's frame limiter works too.

Windows

Run pgr4_recompiled.exe. It needs a GPU with Direct3D 12. Set window_width and
window_height in pgr4_recompiled.toml to your display's resolution. With HDR on in
Windows' display settings the game outputs HDR.

Settings

pgr4_recompiled.toml beside the executable holds the settings, one per line. A flag on the
command line overrides it: in Steam's launch options, %command% --fullscreen=false for one.

Geometry Wars

The arcade cabinet in the garage starts gw_recompiled.exe, which must stay beside
pgr4_recompiled.exe. Its settings are in gw_recompiled.toml.

Licenses

LICENSE.txt is this project's license. LICENSES/ holds those of the ReXGlue SDK, Xenia,
PGR4-Recomp, MTR-PGR4 and the libraries built into the program, and the sources it was built
from (SOURCE.txt). Project Gotham Racing 4 and its content belong to their owners; these
licenses grant no rights to the game.

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