[Mesa-dev] [Bug 106337] eglWaitClient() doesn't work as documented using DRI2 backend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106337

--- Comment #2 from mgorchak at qnx.com <mgorchak at qnx.com> ---
Yes, it is i965 DRI driver on ApolloLake (BXT) hardware.

The test was following: BO object (LINEAR) is shared between compositor and
GLES app (used as KHRImage for native pixmap). GLES app does fill operation for
this BO object and compositor reads back content of BO object using CPU (mapped
as WC memory). Very often appears that fill operation is not complete and
compositor reads back old content or semi-filled content.

Performance of fill operation using eglWaitClient() for full hd image size is
about 1300 fills per second, when glFinish() is used it is about 700 FPS and
content of BO object is always correct.

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