| Summary: | Rendering errors in MagicPoint when Composite is enabled | ||||||
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| Product: | xorg | Reporter: | Matthieu Herrb <matthieu.herrb> | ||||
| Component: | Server/General | Assignee: | Xorg Project Team <xorg-team> | ||||
| Status: | RESOLVED NOTOURBUG | QA Contact: | Xorg Project Team <xorg-team> | ||||
| Severity: | normal | ||||||
| Priority: | high | ||||||
| Version: | 6.9.0 | ||||||
| Hardware: | All | ||||||
| OS: | All | ||||||
| Whiteboard: | |||||||
| i915 platform: | i915 features: | ||||||
| Attachments: |
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Description
Matthieu Herrb
2006-02-09 07:12:28 UTC
Created attachment 4586 [details]
Sample document to reproduce the bug
Sorry about the phenomenal bug spam, guys. Adding xorg-team@ to the QA contact so bugs don't get lost in future. Matthieu Herrb Do you still experience this issue with newer soft ? Please check the status of your issue. From the description in the example, and a quick look at the magicpoint code, I think this is a bug in magicpoint itself:
vinfo = XGetVisualInfo(display, vinfo_mask, &vinfo_template, &ninfo);
best = NULL;
for (i = 0; i < ninfo; i++) {
switch (vinfo[i].class) {
case TrueColor:
if (vinfo[i].depth < 15 || 24 < vinfo[i].depth)
break;
if (best == NULL ||
best->class != TrueColor ||
best->depth < vinfo[i].depth)
best = &vinfo[i];
break;
case PseudoColor:
if (best == NULL)
best = &vinfo[i];
break;
}
}
That's going to pick the ARGB visual, and (0,0,0,0) is transparent black. Either run magicpoint with XLIB_SKIP_ARGB_VISUALS=1, or fix that loop.
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