Steps to reproduce:

1. Open the attached project
2. Switch to Web Build Profile
3. Build and Run the Player
4. Observe the built Player as well as developer tools console

Actual results: The player is rendered in solid black and a validation error is thrown

Expected results: Player build renders as in Editor and doesn't throw validation issues

Reproducible with versions: 6000.1.0a4, 6000.1.0b7, 6000.2.0a4

Can’t test with versions: 2022.3.58f1, 6000.0.38f1 (Web GPU not available), 6000.1.0a2, 6000.1.0a3 (Build process fails)

Reproducible on OS: Ubuntu 24.04

Not reproducible on OS: macOS 15.3, Windows 11

Browsers used: GoogleChrome 131.0.6778.204 (Official Build) (64-bit), FireFox 127.0.2 (64-bit)

Notes:

• Does not reproduce when Forward/Forward+ render paths are used
• Does reproduce with Deferred/Deferred+
• The project is using URP's Mobile Renderer

Full error:

• Validation: Total color attachment bytes per sample (37) exceeds maximum (32) with formats ([ TextureFormat::RGBA8UnormSrgb TextureFormat::RGBA8Unorm TextureFormat::RGBA16Float TextureFormat::RG11B10Ufloat TextureFormat::R32Float TextureFormat::R8Unorm ]). - While validating color attachment bytes per sample. - While encoding [CommandEncoder (unlabeled)].BeginRenderPass([null]). - While finishing [CommandEncoder (unlabeled)].