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glx: fix GLXChangeDrawableAttributesSGIX request 

xGLXChangeDrawableAttributesSGIXReq follows the GLXVendorPrivate header
with a drawable, number of attributes, and list of (type, value)
attribute pairs.  Don't forget to put the number of attributes in there.
I don't think this can ever have worked.

NOTE: This is a candidate for the 7.9 and 7.10 branches

Signed-off-by: Julien Cristau <jcristau@debian.org>
Signed-off-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Julien Cristau 2011-01-26 04:03:16 -08:00 committed by Brian Paul
parent ea5ede2178
commit e27913f805
1 changed files with 3 additions and 2 deletions
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5
src/glx/glx_pbuffer.c
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@ -117,7 +117,7 @@ ChangeDrawableAttribute(Display * dpy, GLXDrawable drawable,
else {
xGLXVendorPrivateWithReplyReq *vpreq;
GetReqExtra(GLXVendorPrivateWithReply, 4 + (8 * num_attribs), vpreq);
GetReqExtra(GLXVendorPrivateWithReply, 8 + (8 * num_attribs), vpreq);
output = (CARD32 *) (vpreq + 1);
vpreq->reqType = opcode;
@ -125,7 +125,8 @@ ChangeDrawableAttribute(Display * dpy, GLXDrawable drawable,
vpreq->vendorCode = X_GLXvop_ChangeDrawableAttributesSGIX;
output[0] = (CARD32) drawable;
output++;
output[1] = num_attribs;
output += 2;
}
(void) memcpy(output, attribs, sizeof(CARD32) * 2 * num_attribs);