Symptoms
There is a consistent rendering and performance regression in the Antidote mission at the Emily-May Foundation:
Rendering Regression: Symbiote assets (specifically the tendrils/ropes) fail to render or disappear entirely whenever a part of the symbiote moves away from the player or changes state.
Performance & Latency: During this specific mission, FPS drops significantly, especially when fire effects are present. This is accompanied by severe input latency spikes (100ms+), making the mission nearly unplayable.
Consistency: This occurs on both Proton Experimental and GE-Proton, suggesting an upstream issue with how the game handles these specific assets or shaders.
Reproduction
Launch Marvel's Spider-Man 2 using Proton Experimental.
Play through or load a save at the Emily-May Foundation (Antidote mission).
Observe symbiote assets disappearing as they move/animate(Happens in cutscene or during gameplay only the shadow of the symbiote tendrils appears)
Notice the FPS drop and 100ms+ latency spike during sequences with fire and heavy symbiote presence.
Name of the game: Marvel's Spider-Man 2
Steam AppID: 2651280
System Information
GPU: [RX 590]
Driver/LLVM version: [25.3]
Proton version: Proton Experimental
Symptoms
There is a consistent rendering and performance regression in the Antidote mission at the Emily-May Foundation:
Rendering Regression: Symbiote assets (specifically the tendrils/ropes) fail to render or disappear entirely whenever a part of the symbiote moves away from the player or changes state.
Performance & Latency: During this specific mission, FPS drops significantly, especially when fire effects are present. This is accompanied by severe input latency spikes (100ms+), making the mission nearly unplayable.
Consistency: This occurs on both Proton Experimental and GE-Proton, suggesting an upstream issue with how the game handles these specific assets or shaders.
Reproduction
Launch Marvel's Spider-Man 2 using Proton Experimental.
Play through or load a save at the Emily-May Foundation (Antidote mission).
Observe symbiote assets disappearing as they move/animate(Happens in cutscene or during gameplay only the shadow of the symbiote tendrils appears)
Notice the FPS drop and 100ms+ latency spike during sequences with fire and heavy symbiote presence.