| What | Removed | Added |
|---|---|---|
| CC | bas@basnieuwenhuizen.nl, Hi-Angel@yandex.ru |
Comment # 1
on bug 100865
from Dieter Nützel
Hello Marc, can you please verify, that it is a _combination_ of wireframe _and_ tessellation? I've got that for ages with r600g, RV730 (HD 4650, 1GB, AGP) and NI/Turks XT (HD 6670, 2 GB PCIe). As 'Heaven' (UH4) start 'normally' with tessellation enabled and 'you' press 'F2' (enable wireframe) it could result in GPU lockup. So please start 'Heaven', press 'F3' (disable tessellation) and last press 'F2' (enable wireframe). This 'version' works fine for me. It seems to be a combination of both. But my systems mostly recover from the GPU lockup. W'll try to get a new backtrace, soon. Tessellation is so awfully _slow_ (hardware or 'only' software implemantation) that I think we have to look/point, there. Bas (Radv) worked on radeonsi tessellation improvements. See related links: https://www.phoronix.com/scan.php?page=news_item&px=R600g-Tessellation-Lands https://www.phoronix.com/scan.php?page=news_item&px=RadeonSI-Tess-G3D-Benchmarks Second: I ran all the time with MESA_GL_VERSION_OVERRIDE=4.1COMPAT and 'Heaven' show display corruption (missing parts), but wireframe works. If I toggle tessellation (F3) missing parts arise but without tessellation, as expected. So for 'Heaven' I have to disable MESA_GL_VERSION_OVERRIDE and get the above boom (GPU lockup). => tessellation / wireframe correlation 'All' old and Mesa git, Kernel 4.11-rc8 (and former) Greetings, Dieter
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