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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - OSMesa Gallium OSMesaMakeCurrent"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75543">75543</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>mesa-dev@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>OSMesa Gallium OSMesaMakeCurrent
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>nachooya@gmail.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Component</th>
<td>Mesa core
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr></table>
<p>
<div>
<pre>Related Bug ID: 63117
Function at /Mesa-10.0.3/src/gallium/state_trackers/osmesa/osmesa.c
Is defined as:
osmesa_find_buffer(enum pipe_format color_format,
enum pipe_format ds_format,
enum pipe_format accum_format)
but should take care, also, of buffer size, other case mesa segfaults when size
changes between calls.
As a workaround I implemented it as (but probably is not the best approach):
static struct osmesa_buffer *
osmesa_find_buffer(enum pipe_format color_format,
enum pipe_format ds_format,
enum pipe_format accum_format,
GLsizei width, GLsizei height
)
{
struct osmesa_buffer *b;
/* Check if we already have a suitable buffer for the given formats */
for (b = BufferList; b; b = b->next) {
if (b->visual.color_format == color_format &&
b->visual.depth_stencil_format == ds_format &&
b->visual.accum_format == accum_format &&
b->width == width &&
b->height == height) {
return b;
}
}
return NULL;
}</pre>
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