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gallium/u_vbuf: support NULL-resources 

It's legal for a buffer-object to have a NULL-resource, but let's just
skip over it, as there's nothing to do.

Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Erik Faye-Lund 2019-03-06 13:29:35 +01:00
parent 0607ceb655
commit a8e8204b18
1 changed files with 3 additions and 0 deletions
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3
src/gallium/auxiliary/util/u_vbuf.c
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@ -418,6 +418,9 @@ u_vbuf_translate_buffers(struct u_vbuf *mgr, struct translate_key *key,
unsigned size = vb->stride ? num_vertices * vb->stride
: sizeof(double)*4;
if (!vb->buffer.resource)
continue;
if (offset + size > vb->buffer.resource->width0) {
/* Don't try to map past end of buffer. This often happens when
* we're translating an attribute that's at offset > 0 from the