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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Drivers/DRI/swrast"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89586#c34">Comment # 34</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Drivers/DRI/swrast"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89586">bug 89586</a>
from <span class="vcard"><a class="email" href="mailto:daniel.sebald@ieee.org" title="Dan Sebald <daniel.sebald@ieee.org>"> <span class="fn">Dan Sebald</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=114599" name="attach_114599" title="swrast Gallium with patch Piglit test images">attachment 114599</a> <a href="attachment.cgi?id=114599&action=edit" title="swrast Gallium with patch Piglit test images">[details]</a></span>
swrast Gallium with patch Piglit test images
SWRAST_DRI.SO GALLIUM PATCH
By making that simple change in src/mesa/state_tracker/st_cb_drawpixels.c that
allows the driver to proceed if the input image size is greater than
GL_MAX_TEXTURE_SIZE, I've found that the Gallium driver will complete the
monotonic image grandients and generally looks good except for the last pixel
(line) missing for both positive X and Y tests. Again, this is just an initial
investigation, so we aren't sure yet whether there is a shortcoming in the test
algorithm, or whether the Gallium driver might not be meeting the OpenGL
standard for glDrawPixels exactly, e.g., a boundary condition isn't being
satisfy such as pixel centers on the left or bottom box boundary are considered
in the box.</pre>
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