| Bug ID | 103874 |
|---|---|
| Summary | The Witcher 3: flickering regression with radeonsi |
| Product | Mesa |
| Version | git |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | Drivers/Gallium/radeonsi |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | shtetldik@gmail.com |
| QA Contact | dri-devel@lists.freedesktop.org |
With latest Mesa master, The Witcher 3 in Wine started performing worse and it also introduced noticeable flickering (once in a few seconds). I was able to narrow down this flickering to these commits by Marek: adab7f16ffd3ea4c52e8d07f40ca6ae4868c3706 2017-11-06 radeonsi: don't map big VRAM buffers for the first upload directly 4b0dc098b2561c07c59f7dab2813640a25789bf1 2017-11-06 gallium/u_threaded: don't map big VRAM buffers for the first upload directly a5d3999c31e2460f690b561b41170bb7bc24fc65 2017-11-06 gallium/u_threaded: clean up tc_improve_map_buffer_flags and prevent reentry One commit before them this flickering doesn't occur: OpenGL renderer string: AMD Radeon (TM) RX 480 Graphics (POLARIS10 / DRM 3.18.0 / 4.13.0-1-amd64, LLVM 5.0.0) OpenGL core profile version string: 4.5 (Core Profile) Mesa 17.4.0-devel (git-60a9705e00) And with them, it does: OpenGL renderer string: AMD Radeon (TM) RX 480 Graphics (POLARIS10 / DRM 3.18.0 / 4.13.0-1-amd64, LLVM 5.0.0) OpenGL core profile version string: 4.5 (Core Profile) Mesa 17.4.0-devel (git-adab7f16ff) I'm running The Witcher3 with mesa_glthread and csmt enabled (both). You can use latest Wine staging to test it.
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