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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Please add support for PIPE_CAP_TGSI_MUL_ZERO_WINS to radeonsi"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107912">107912</a>
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<th>Summary</th>
<td>Please add support for PIPE_CAP_TGSI_MUL_ZERO_WINS to radeonsi
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<th>Product</th>
<td>Mesa
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<th>Version</th>
<td>git
</td>
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<th>Hardware</th>
<td>Other
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>Drivers/Gallium/radeonsi
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
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<th>Reporter</th>
<td>davyaxel0@gmail.com
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<th>QA Contact</th>
<td>dri-devel@lists.freedesktop.org
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<p>
<div>
<pre>PIPE_CAP_TGSI_MUL_ZERO_WINS is a cap currently supported by nv50, nvc0 and
r600, which means that TGSI_PROPERTY_MUL_ZERO_WINS is supported.
When enabled, the affected shaders have the behaviour 0*anything = 0 (including
inside a mad). It is used by gallium nine when available.
All GCN cards support special legacy instructions to handle the behaviour.
Since opengl compat used to be a thing "we will never support because lack of
time" and is now implemented, I thought maybe this MUL_ZERO_WINS may get added
to the new radeonsi TODO list.</pre>
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