diff options
Diffstat (limited to 'source/blender/windowmanager/intern/wm_window.c')
| -rw-r--r-- | source/blender/windowmanager/intern/wm_window.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/source/blender/windowmanager/intern/wm_window.c b/source/blender/windowmanager/intern/wm_window.c index 887aed7ffc7..8baf4a0e013 100644 --- a/source/blender/windowmanager/intern/wm_window.c +++ b/source/blender/windowmanager/intern/wm_window.c @@ -2426,10 +2426,15 @@ void wm_window_IME_end(wmWindow *win) void *WM_opengl_context_create(void) { - /* On Windows there is a problem creating contexts that share lists - * from one context that is current in another thread. - * So we should call this function only on the main thread. - */ + /* On Windows there is a problem creating contexts that share resources (almost any object, + * including legacy display lists, but also textures) with a context which is current in another + * thread. This is a documented and behavior of both `::wglCreateContextAttribsARB()` and + * `::wglShareLists()`. + * + * Other platforms might successfully share resources from context which is active somewhere + * else, but to keep our code behave the same on all platform we expect contexts to only be + * created from the main thread. */ + BLI_assert(BLI_thread_is_main()); BLI_assert(GPU_framebuffer_active_get() == GPU_framebuffer_back_get()); |