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#include <gtk/gtk.h>
#define ALL_APIS (GDK_GL_API_GL | GDK_GL_API_GLES)
static GdkGLAPI
is_unique (GdkGLAPI api)
{
return (api & (api - 1)) == 0;
}
static void
test_allowed_backends (gconstpointer data)
{
GdkGLAPI allowed = GPOINTER_TO_SIZE (data);
GdkGLAPI not_allowed = (~allowed) & ALL_APIS;
GdkGLAPI api, random_apis;
GdkDisplay *display;
GdkGLContext *context;
GError *error = NULL;
display = gdk_display_get_default ();
if (!gdk_display_prepare_gl (display, &error))
{
g_test_message ("no GL support: %s", error->message);
g_test_skip ("no GL support");
g_clear_error (&error);
return;
}
context = gdk_display_create_gl_context (display, &error);
g_assert_nonnull (context);
g_assert_no_error (error);
g_assert_cmpint (gdk_gl_context_get_api (context), ==, 0);
g_assert_cmpint (gdk_gl_context_get_allowed_apis (context), ==, ALL_APIS);
gdk_gl_context_set_allowed_apis (context, allowed);
g_assert_cmpint (gdk_gl_context_get_allowed_apis (context), ==, allowed);
g_assert_cmpint (gdk_gl_context_get_api (context), ==, 0);
if (!gdk_gl_context_realize (context, &error))
{
g_assert_cmpint (gdk_gl_context_get_api (context), ==, 0);
if (not_allowed && g_error_matches (error, GDK_GL_ERROR, GDK_GL_ERROR_NOT_AVAILABLE))
{
g_clear_error (&error);
g_object_unref (context);
return;
}
g_assert_no_error (error);
}
g_assert_no_error (error);
g_assert_cmpint (gdk_gl_context_get_allowed_apis (context), ==, allowed);
api = gdk_gl_context_get_api (context);
g_assert_cmpint (api, !=, 0);
g_assert_true (is_unique (api));
g_assert_cmpint (api & allowed, ==, api);
g_assert_cmpint (api & not_allowed, ==, 0);
random_apis = g_random_int_range (0, ALL_APIS + 1);
gdk_gl_context_set_allowed_apis (context, random_apis);
g_assert_cmpint (gdk_gl_context_get_allowed_apis (context), ==, random_apis);
g_assert_cmpint (gdk_gl_context_get_api (context), ==, api);
g_object_unref (context);
}
int
main (int argc, char *argv[])
{
gtk_test_init (&argc, &argv, NULL);
g_test_add_data_func ("/allowed-apis/none", GSIZE_TO_POINTER (0), test_allowed_backends);
g_test_add_data_func ("/allowed-apis/gl", GSIZE_TO_POINTER (GDK_GL_API_GL), test_allowed_backends);
g_test_add_data_func ("/allowed-apis/gles", GSIZE_TO_POINTER (GDK_GL_API_GLES), test_allowed_backends);
g_test_add_data_func ("/allowed-apis/all", GSIZE_TO_POINTER (GDK_GL_API_GL | GDK_GL_API_GLES), test_allowed_backends);
return g_test_run ();
}
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