| Priority | medium |
|---|---|
| Bug ID | 63979 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | s3tc not working with radeonsi driver |
| Severity | normal |
| Classification | Unclassified |
| OS | All |
| Reporter | kallisti5@unixzen.com |
| Hardware | Other |
| Status | NEW |
| Version | git |
| Component | Drivers/Gallium/radeonsi |
| Product | Mesa |
s3tc doesn't work when using the radeonsi driver.
Example:
kallisti5@eris ~ :) $ find /usr/lib -name "radeonsi*"
/usr/lib/xorg/modules/dri/radeonsi_dri.so
kallisti5@eris ~ :) $ glxinfo | grep renderer
OpenGL renderer string: Gallium 0.4 on AMD TAHITI
No EXT_texture_compress (aka s3tc)
kallisti5@eris ~ :) $ glxinfo | grep EXT_texture_compress
Move radeonsi driver somewhere else forcing fallback to swpipe:
kallisti5@eris ~ :( $ sudo mv /usr/lib/xorg/modules/dri/radeonsi_dri.so /tmp/
Now using llvmpipe:
kallisti5@eris ~ :) $ glxinfo | grep renderer
libGL error: failed to load driver: radeonsi
libGL error: Try again with LIBGL_DEBUG=verbose for more details.
OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.3, 128 bits)
s3tc now working:
kallisti5@eris ~ :) $ glxinfo | grep EXT_texture_compress
libGL error: failed to load driver: radeonsi
libGL error: Try again with LIBGL_DEBUG=verbose for more details.
GL_EXT_texture_array, GL_EXT_texture_compression_dxt1,
GL_EXT_texture_compression_latc, GL_EXT_texture_compression_rgtc,
GL_EXT_texture_compression_s3tc, GL_EXT_texture_cube_map,
kallisti5@eris ~ :) $
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