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<th>Priority</th>
<td>medium
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</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - GLSL preprocessor does not eat comments correctly"
href="https://bugs.freedesktop.org/show_bug.cgi?id=72686">72686</a>
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<th>CC</th>
<td>idr@freedesktop.org
</td>
</tr>
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<th>Assignee</th>
<td>cworth@cworth.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>GLSL preprocessor does not eat comments correctly
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Reporter</th>
<td>idr@freedesktop.org
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Component</th>
<td>glsl-compiler
</td>
</tr>
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<th>Product</th>
<td>Mesa
</td>
</tr></table>
<p>
<div>
<pre>The GLSL spec says "Comments are each replaced by one space character," as do
the C and C++ specifications. This means that C code such as
#define X a/*
*/b
X
will produce
# 1 "/tmp/foo.c"
# 1 "<command-line>"
# 1 "/tmp/foo.c"
a b
It also means that GLSL code such as
#version 120
#define X gl_Position/*
*/ =
void main()
{
X vec4(0.);
}
should compile as if it were
#version 120
void main()
{
gl_Position = vec4(0.);
}
On Mesa, this generates an error:
0:3(3): error: syntax error, unexpected '='</pre>
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</p>
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