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  1. Replies
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    Sure I missed that. The AMD DDX doesn't...

    Sure I missed that.

    The AMD DDX doesn't support DRI3 yet.
    It is possible to enable it by removing the 'GLAMOR_NO_DRI3' flag from the sources, but the reason it's not enabled is that there's no...
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    I don't know what flags is oibaf using. He needs...

    I don't know what flags is oibaf using. He needs to compile Mesa with DRI3 support enabled (moreover it needs to be very recent Mesa). You don't need updated xserver, but you need updated intel DDX...
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    read...

    read http://cgit.freedesktop.org/mesa/mesa/commit/?id=7ab925a6aafca106e7682dfc21e7c9351380809e

    It should not be
    SUBSYSTEM=="drm", IMPORT{builtin}="pci-0000_01_00_0"

    but

    SUBSYSTEM=="drm",...
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    If you enforce compositing, even for fullscreen...

    If you enforce compositing, even for fullscreen applications, you should already have not tearing problems with old DRI_PRIME.

    However new DRI_PRIME will enable you to have no tearings too if the...
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    There has been recently a bug corrected in the...

    There has been recently a bug corrected in the Xserver that would have led to crashes with DRI2 DRI_PRIME.
    The bug is probably present in the xserver version you are using.
  6. The patches have just been merged.

    The patches have just been merged.
  7. No, they work as is. That doesn't mean their...

    No, they work as is.

    That doesn't mean their DDX will support them though. (Nouveau DDX support it, but it is disabled for the Amd DDX).
  8. Depends on the Present implementation of the DDX....

    Depends on the Present implementation of the DDX.
    Looks like the default with the intel DDX when vblank_mode=0 (no vsync) is to do the same thing than the Present fallback.
    However it has a...
  9. Without benchmarks I can predict the results: ...

    Without benchmarks I can predict the results:

    Gnome doesn't bypass compositing yet for fullscreen app, thus decreasing performance because of the copy done by compositing.
    Present support is not...
  10. You must have forgotten to set some env var or...

    You must have forgotten to set some env var or something, I use azerty with Weston.
  11. The explanation is that you are not using glamor,...

    The explanation is that you are not using glamor, but software renderer.
  12. This is going to be fixed when DRI3 DRI_PRIME...

    This is going to be fixed when DRI3 DRI_PRIME support is merged.
  13. Some benchmarks of upcoming patches with my Amd dedicated card.

    Hi,

    I have done some benchmarks of my dedicated Amd card with some hyperz and some upcoming patches.

    You can find them here:...
  14. The VRAM is reserved for your hd 7970m. The intel...

    The VRAM is reserved for your hd 7970m. The intel only uses parts of your ram.

    Both cards share buffers in an area of ram both can access.

    You have to go through the pci express bus to transfer...
  15. It's using a different GPU for display and...

    It's using a different GPU for display and rendering.
  16. There's still discussions on the best way to...

    There's still discussions on the best way to handle issues with one gpu to not crash the other one.
  17. On Arch with kernel 3.14, Using 'performance'...

    On Arch with kernel 3.14,

    Using 'performance' over the default 'powersave' (intel P-state) gives a 25/40 % perf boost to Openarena/Xonotic(low) on my radeon card.

    So I wouldn't be suprised...
  18. Nothing new to note about XWayland: Still no...

    Nothing new to note about XWayland:

    Still no mouse grabbing (needs a Wayland extension), thus most mouse games won't work properly (you can still play with keyboard and gamepad...).

    The...
  19. Let me guess: Using Ubuntu? I have the same...

    Let me guess: Using Ubuntu?
    I have the same problem. I think Ubuntu's xf86-video-ati package is not compiled with gpu offloading support enabled, or they package an old version, or something like...
  20. If llvm backend is buggy and slower for r600,...

    If llvm backend is buggy and slower for r600, then it's ok to me to hide this backend to users.

    About the radeonsi llvm backend, do we have information about its optimality? Would radeonsi benefit...
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