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egl_dri2: Fix one context, multiple surfaces.

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When a context was made current to another surface, the old code did
this

  dri2_dpy->core->bindContext(cctx, ddraw, rdraw);
  dri2_dpy->core->unbindContext(old_cctx);

and there will be no current context due to the second line.

unbindContext should be called only when bindContext is not.  This fixes
a regression since d19afc57.  Thanks to Neil Roberts for noticing the
issue and creating a test case.
This commit is contained in:
Chia-I Wu
2010-11-24 13:42:06 +08:00
parent 78a340fd48
commit 1f4c55128b
1 changed files with 5 additions and 1 deletions
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src/egl/drivers/dri2/egl_dri2.c
+5 -1
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@@ -1648,7 +1648,11 @@ dri2_make_current(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
dri2_destroy_surface(drv, disp, old_dsurf);
dri2_destroy_surface(drv, disp, old_rsurf);
if (old_ctx) {
dri2_dpy->core->unbindContext(dri2_egl_context(old_ctx)->dri_context);
/* unbind the old context only when there is no new context bound */
if (!ctx) {
__DRIcontext *old_cctx = dri2_egl_context(old_ctx)->dri_context;
dri2_dpy->core->unbindContext(old_cctx);
}
/* no destroy? */
_eglPutContext(old_ctx);
}