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By Design
Votes
0
Found in
6000.0.37f1
6000.1.0b5
6000.2.0a3
6000.3.0a1
6000.4.0a1
Issue ID
UUM-97302
Regression
No
"Shader is not supported on this GPU" warnings and and shaders are not loading when building the project for non-Chromium browsers
How to reproduce:
1. Open the attached project "ShaderWarnings"
2. Make sure to use Web Platform and Build And Run the project for the Apple Safari browser
3. Observe the Shaders on the trees and bushes
Expected results: The Shaders are not missing
Actual results: The Shaders are missing
Reproducible with: 6000.0.37f1, 6000.1.0b5, 6000.2.0a3
Reproducible on: macOS Sequoia 15.1 (M1) with Apple Safari, Windows 11 with Mozilla Firefox, Ubuntu 24 with Google Chrome
Not reproducible on: macOS Sequoia 15.1 (M1) with Google Chrome, Windows 11 with Microsoft Edge
Notes:
- Broken are both custom and built-in URP Shaders
- Shaders are broken both with WebGPU and WebGL
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Resolution Note:
For WebGL, the shaders in the project use target 4.5, and WebGL only supports up to 3.0.
For WebGPU, there are shaders that error from using older URP functions, resulting in shader compilation errors in the build. Once fixed they seem to run correctly with WebGPU.
Firefox has other bugs preventing the project from working that are being worked on by Mozilla and are unrelated to the shaders.
Safari only started supporting WebGPU since Safari 26, which shipped recently.