glcontext: implement checking whether a context has been shared

Some operations are unnecessary when running with only a single GL
context.
e.g. glFlush when setting a fence object as the flush happens on wait.

API: gst_gl_context_is_shared

1 files changed, 29 insertions, 0 deletions

diff --git a/tests/check/libs/gstglcontext.c b/tests/check/libs/gstglcontext.c
index edbf9f90f..e626f2a7d 100644
--- a/tests/check/libs/gstglcontext.c
+++ b/tests/check/libs/gstglcontext.c
@@ -489,6 +489,34 @@ GST_START_TEST (test_context_can_share)
 
 GST_END_TEST;
 
+GST_START_TEST (test_is_shared)
+{
+  GstGLContext *c1, *c2;
+  GError *error = NULL;
+
+  c1 = gst_gl_context_new (display);
+  gst_gl_context_create (c1, NULL, &error);
+  fail_if (error != NULL, "Error creating context %s\n",
+      error ? error->message : "Unknown Error");
+
+  c2 = gst_gl_context_new (display);
+  gst_gl_context_create (c2, c1, &error);
+  fail_if (error != NULL, "Error creating context %s\n",
+      error ? error->message : "Unknown Error");
+
+  fail_unless (gst_gl_context_is_shared (c1));
+  fail_unless (gst_gl_context_is_shared (c2));
+
+  gst_object_unref (c2);
+  c2 = NULL;
+
+  fail_unless (!gst_gl_context_is_shared (c1));
+
+  gst_object_unref (c1);
+}
+
+GST_END_TEST;
+
 static Suite *
 gst_gl_context_suite (void)
 {
@@ -501,6 +529,7 @@ gst_gl_context_suite (void)
   tcase_add_test (tc_chain, test_wrapped_context);
   tcase_add_test (tc_chain, test_current_context);
   tcase_add_test (tc_chain, test_context_can_share);
+  tcase_add_test (tc_chain, test_is_shared);
 
   return s;
 }