diff options
Diffstat (limited to 'src/cairo-gl-device.c')
| -rw-r--r-- | src/cairo-gl-device.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/cairo-gl-device.c b/src/cairo-gl-device.c index 7069c8312..5dce9fb91 100644 --- a/src/cairo-gl-device.c +++ b/src/cairo-gl-device.c @@ -1100,11 +1100,24 @@ void cairo_gl_device_set_thread_aware (cairo_device_t *device, cairo_bool_t thread_aware) { + if ((! device)||(cairo_device_status(device)!= CAIRO_STATUS_SUCCESS)) { + fprintf (stderr, "cairo_gl_device_set_thread_aware(): cairo_device is NULL or not available\n"); + _cairo_error_throw (CAIRO_STATUS_DEVICE_ERROR); + return; + } if (device->backend->type != CAIRO_DEVICE_TYPE_GL) { _cairo_error_throw (CAIRO_STATUS_DEVICE_TYPE_MISMATCH); return; } - ((cairo_gl_context_t *) device)->thread_aware = thread_aware; + if(thread_aware == 0 || thread_aware == 1) + { + ((cairo_gl_context_t *) device)->thread_aware = thread_aware; + } + else + { + _cairo_device_set_error (device, CAIRO_STATUS_INVALID_STATUS); + return; + } } void _cairo_gl_context_reset (cairo_gl_context_t *ctx) |