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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Radeon: heavy r300 performance drop regression between 11.x and 19.x"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110781#c55">Comment # 55</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Radeon: heavy r300 performance drop regression between 11.x and 19.x"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110781">bug 110781</a>
from <span class="vcard"><a class="email" href="mailto:alexdeucher@gmail.com" title="Alex Deucher <alexdeucher@gmail.com>"> <span class="fn">Alex Deucher</span></a>
</span></b>
<pre>Performance will be better because the 3D engine is rendering to a smaller
surface (e.g., 640x480) regardless of whether you are fullscreen or windowed.
The size of the rendered image is what impact 3D performance. The scaler is
fixed function hw so it doesn't impact the 3D engine directly other than using
some memory bandwidth to read the source image.</pre>
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