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Add synchronise support to the GLX backend

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This patch adds a command line switch to make every X call synchronous.
It's only useful for debugging purposes, so it will not be displayed when
calling a Clutter application with --help.
This commit is contained in:
Emmanuele Bassi 2007-07-05 11:05:46 +00:00
parent 61db350ca4
commit b66593374d
1 changed files with 14 additions and 6 deletions
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18
clutter/glx/clutter-backend-glx.c
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@ -60,6 +60,7 @@ static ClutterBackendGLX *backend_singleton = NULL;
/* options */
static gchar *clutter_display_name = NULL;
static gint clutter_screen = 0;
static gboolean clutter_synchronise = FALSE;
/* X error trap */
static int TrappedErrorCode = 0;
@ -203,6 +204,8 @@ clutter_backend_glx_post_parse (ClutterBackend *backend,
}
#endif
if (clutter_synchronise)
XSynchronize (backend_glx->xdpy, True);
}
g_free (clutter_display_name);
@ -290,10 +293,15 @@ static const GOptionEntry entries[] =
"X screen to use", "SCREEN"
},
{ "vblank", 0,
G_OPTION_FLAG_IN_MAIN,
0,
G_OPTION_ARG_STRING, &clutter_vblank_name,
"VBlank method to be used (none, dri or glx)", "METHOD"
},
{ "synch", 0,
0,
G_OPTION_ARG_NONE, &clutter_synchronise,
"Make X calls synchronous", NULL,
},
{ NULL }
};
@ -425,9 +433,9 @@ clutter_backend_glx_get_features (ClutterBackend *backend)
glGetString (GL_VERSION),
glGetString (GL_EXTENSIONS));
glx_extensions
= glXQueryExtensionsString (clutter_glx_get_default_display (),
clutter_glx_get_default_screen ());
glx_extensions =
glXQueryExtensionsString (clutter_glx_get_default_display (),
clutter_glx_get_default_screen ());
CLUTTER_NOTE (BACKEND, "GLX Extensions: %s", glx_extensions);
@ -536,7 +544,7 @@ clutter_backend_glx_redraw (ClutterBackend *backend)
stage_glx = CLUTTER_STAGE_GLX(backend_glx->stage);
clutter_actor_paint (CLUTTER_ACTOR(stage_glx));
clutter_actor_paint (CLUTTER_ACTOR (stage_glx));
/* Why this paint is done in backend as likely GL windowing system
* specific calls, like swapping buffers.