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GLX/DRI1: Mark GLX visuals with depth != screen depth non-conformant.

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Such visuals are subject to automatic compositing in the X server, so DRI1
can't render to them properly.
This commit is contained in:
Michel Dänzer 2009-07-07 13:52:35 +02:00 • committed by Michel Dänzer
parent 96601ec8e0
commit 25b492b976
1 changed files with 23 additions and 0 deletions
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23
src/glx/x11/dri_glx.c
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@ -305,6 +305,7 @@ CallCreateNewScreen(Display *dpy, int scrn, __GLXscreenConfigs *psc,
drm_handle_t hFB;
int junk;
const __DRIconfig **driver_configs;
__GLcontextModes *visual;
/* DRI protocol version. */
dri_version.major = driDpy->driMajor;
@ -417,6 +418,28 @@ CallCreateNewScreen(Display *dpy, int scrn, __GLXscreenConfigs *psc,
psc->configs = driConvertConfigs(psc->core, psc->configs, driver_configs);
psc->visuals = driConvertConfigs(psc->core, psc->visuals, driver_configs);
/* Visuals with depth != screen depth are subject to automatic compositing
* in the X server, so DRI1 can't render to them properly. Mark them as
* non-conformant to prevent apps from picking them up accidentally.
*/
for (visual = psc->visuals; visual; visual = visual->next) {
XVisualInfo template;
XVisualInfo *visuals;
int num_visuals;
long mask;
template.visualid = visual->visualID;
mask = VisualIDMask;
visuals = XGetVisualInfo(dpy, mask, &template, &num_visuals);
if (visuals) {
if (num_visuals > 0 && visuals->depth != DefaultDepth(dpy, scrn))
visual->visualRating = GLX_NON_CONFORMANT_CONFIG;
XFree(visuals);
}
}
return psp;
handle_error: