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Unknown
-dx12
-dx12 in the launch options. The game runs better in Direct X 12 than Direct X 11.
I have played the game using fairly constant 60 fps in handheld mode and when docked. Here are my settings for each one these options.
Handheld Mode (60 FPS)
Visual Effects- Medium
Display Mode- Windowed Fullscreen
Framerate- Unlocked
Vsync- Off
Anti-Aliasing - TAA+
Ansiotropic Filtering- 4x
Distance Scaling- Far
Texture Quality- Medium
Car Reflections- Screen
Reflections Quality- Low
City Glow Effect- Low Quality
World Shadow Quality- Medium
Streetlight Quality- Medium
Vehicle Light Quality- Low
Ambient Oclusion- SSAO
Bloom- On
Lens Flare- On
Classic Lighting- On
Motion Blur- On
Docked Mode (circa 60 FPS with a few dips on transitions to some areas) I have set my display resolution in steam to 1080p and have set GTA vice city to be run at 720p (1280*720). I have utilized the Steam Deck FSR to upscale it to 1080p.
Visual Effects- Medium
Display Mode- Windowed Fullscreen
Framerate- Unlocked
Vsync- Off
Anti-Aliasing - TAA+
Ansiotropic Filtering- 4x
Distance Scaling- Far
Texture Quality- Medium
Car Reflections- Screen
Reflections Quality- Low
City Glow Effect- Low Quality
World Shadow Quality- Medium
Streetlight Quality- Medium
Vehicle Light Quality- Low
Ambient Oclusion- SSAO
Bloom- On
Lens Flare- On
Classic Lighting- On
Motion Blur- On
Works
Did not open at first after Rockstar installation, but it began working after changing Proton version a few times
-dx12
The launch command helps for framerate, but is not 'necessary' unless you want a better framerate. Weird bugs and inconsistancies are on all platforms and not caused by Proton (ex: low LOD models sometimes take a long time to load in.) I also had some issues where after playing for hours at a time (like 6 or more) my framerate got worse, but I just think thats my computer and not something that should count against it.
RMB aiming is the issue
Right mouse button aiming is laggy / stutters and does not work smoothly. Windows works as expected.
Right mouse button aiming is laggy and stutters to the point of being uplayable with mouse/keyboard - all other mouse activity is smooth. Windows plays as expected.
-dx12
Default API of the game is DX11. It performs much worse than Vulkan or DX12(goes from like 60-100 FPS to 120-150 FPS). Out of all this DX12 works best.
Game is pretty demanding on DX11 so if your card doesn't support DX12 then try using Vulkan instead. It's not as good as DX12 but still better than DX11.
HAVE TO CHANGE TO GE. I tried 8-3 first and has run great with med preset getting up to 60 fps and averageing 40-50ish.
This only happend with default compatabiy layer. once changed to GE not an issue.
Rockstar keeps reporting "Steam failed to initialise. Please verify that the Steam Client is running and try again". Tried reinstalling, different versions or proton, deleting the proton files, no dice. Even tried different Wifi connections.
Same appears to be happening for other Rockstar titles. They were working fine and now it just seems impossible to get past this error.
Works like a charm right out of the box.
Just an expected slow-load from a safehouse interior to the world exterior, possibly due to buffering and/or shaders being loaded. Completely acceptable.
Achieved 100% in this title as with all the other 3 GTA-DE games over ~50 hours of gameplay for each of them. Absolutely stellar work by R*.
-dx12
Refresh rate / Frame rate limit: 43
TDP Limit: 10
GPU Clock: 1200
~2h 30min
Visual effects: Medium
Display Mode: FullScreen
Frame Rate: Unlocked
Resolution: 1280 x 800
Vsync: Off
Anti-Aliasing: TAA+
Anisotropic Filtering: 16x
Distance Scaling: Medium or High
Texture Quality: High
Car Reflections: Screen
Cloud Quality: Volumetric
Reflection Quality: Low
City Glow Effect: Off
World Shadow Quality: Medium
Ambient Occlusion: SSAO
Bloom: On
Lens Flare: Off
Motion Blur: Off
Depth of Field: Off
Brightness: +2
Contrast: -6
Streetlight Quality: Low
Vehicle Light Quality: Low
(CryoUtillities: Installed)
Limit FPS and TDP
Might need internet connection due to rockstar launcher
Game seems to work fine now
Had an issue where the rockstar launcher would not connect previously, this seems to have sorted itself out now
PROTON_ENABLE_NVAPI=1 %command%
I've started with PROTON_ENABLE_NVAPI=1 %command% for DLSS but game works without it. Played on proton experimental.
The rockstar launcher can't connect
The rockstar launcher can't connect making it impossible to get into the game
