Misc: GLX: Avoid using multi-sampling visuals

Avoid using multi-sampled visuals, like the cogl patch:
http://people.freedesktop.org/~glisse/0001-glx-do-not-use-multisample-visual-config-for-front-o.patch
This commit is contained in:
Richard Grenville 2013-09-03 21:14:40 +08:00
parent 4600f435dd
commit 5350127b72
1 changed files with 15 additions and 1 deletions

View File

@ -386,6 +386,14 @@ glx_update_fbconfig(session_t *ps) {
int id = (int) (pcur - pfbcfgs); int id = (int) (pcur - pfbcfgs);
int depth = 0, depth_alpha = 0, val = 0; int depth = 0, depth_alpha = 0, val = 0;
// Skip over multi-sampled visuals
// http://people.freedesktop.org/~glisse/0001-glx-do-not-use-multisample-visual-config-for-front-o.patch
#ifdef GLX_SAMPLES
if (Success == glXGetFBConfigAttrib(ps->dpy, *pcur, GLX_SAMPLES, &val)
&& val > 1)
continue;
#endif
if (Success != glXGetFBConfigAttrib(ps->dpy, *pcur, GLX_BUFFER_SIZE, &depth) if (Success != glXGetFBConfigAttrib(ps->dpy, *pcur, GLX_BUFFER_SIZE, &depth)
|| Success != glXGetFBConfigAttrib(ps->dpy, *pcur, GLX_ALPHA_SIZE, &depth_alpha)) { || Success != glXGetFBConfigAttrib(ps->dpy, *pcur, GLX_ALPHA_SIZE, &depth_alpha)) {
printf_errf("(): Failed to retrieve buffer size and alpha size of FBConfig %d.", id); printf_errf("(): Failed to retrieve buffer size and alpha size of FBConfig %d.", id);
@ -446,6 +454,12 @@ glx_update_fbconfig(session_t *ps) {
printf_errf("(): No FBConfig found for depth 32. Expect crazy things."); printf_errf("(): No FBConfig found for depth 32. Expect crazy things.");
} }
#ifdef DEBUG_GLX
printf_dbgf("(): %d-bit: %#3x, 32-bit: %#3x\n",
ps->depth, (int) ps->glx_fbconfigs[ps->depth]->cfg,
(int) ps->glx_fbconfigs[32]->cfg);
#endif
return true; return true;
} }