[Mesa-dev] [Bug 89586] Drivers/DRI/swrast

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89586

--- Comment #33 from Dan Sebald <daniel.sebald at ieee.org> ---
Created attachment 114598
  --> https://bugs.freedesktop.org/attachment.cgi?id=114598&action=edit
swrast Gallium Piglit test images

SWRAST_DRI.SO GALLIUM

The test images illustrate how the Gallium/LLVM driver is not displaying
anything beyond the GL_MAX_TEXTURE_SIZE boundary of the input image.  For all
four monotonicity tests, only the darker portion of the gradient appears and
from there it is the last draw/render that remains in the frame buffer.  E.g.,
the Positive Monotonicity Y image still has the vertical alternating lines from
the Negative Over/Underrun X test.  It's no wonder all the monotonicity and
edge tests fail.  But the good news is that for input images with sizes less
than GL_MAX_TEXTURE_SIZE, the Gallium driver is accurate for scaling.  That's
very nice.

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