| Bug ID | 102638 |
|---|---|
| Summary | Incorrect rendering in OpenGL 4 (Unigine Superposition + others) |
| Product | Mesa |
| Version | 17.1 |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | Drivers/Gallium/radeonsi |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | mj.wilson.uk@gmail.com |
| QA Contact | dri-devel@lists.freedesktop.org |
Ryzen 1600X, 16GiB RAM, AMD RX570, Fedora 26 (clean install) mesa-dri-drivers-17.1.7-1.fc26 Unigine Superposition Benchmark v1.0 (build 6184) Basic Superposition and other OpenGL 4 (I guess) applications fail to render correctly. It seems that only one of the rendering stages is being shown -- it looks like the specular highlights from a cubemap or similar. Tacoma (running on Unity) does the same. Furthermore, there is a large disparity between the reported frame rate (30+) and the actual frame rate I see (perhaps 1/3 or 1/4 of that). Both worked perfectly in Fedora 25 (same hardware) with mesa-dri-drivers-17.0.5-3.fc2. I'm guessing this is a problem in the radeonsi driver.
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