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display: Don't start/stop collectors for empty window list

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This commit is contained in:
rdb 2022-02-18 17:23:30 +01:00
parent d7bbcfb0b7
commit c0c5eeb27e
1 changed files with 12 additions and 4 deletions
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16
panda/src/display/graphicsEngine.cxx
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@ -2579,10 +2579,18 @@ void GraphicsEngine::WindowRenderer::
do_frame(GraphicsEngine *engine, Thread *current_thread) {
LightReMutexHolder holder(_wl_lock);
engine->cull_to_bins(_cull, current_thread);
engine->cull_and_draw_together(_cdraw, current_thread);
engine->draw_bins(_draw, current_thread);
engine->process_events(_window, current_thread);
if (!_cull.empty()) {
engine->cull_to_bins(_cull, current_thread);
}
if (!_cdraw.empty()) {
engine->cull_and_draw_together(_cdraw, current_thread);
}
if (!_draw.empty()) {
engine->draw_bins(_draw, current_thread);
}
if (!_window.empty()) {
engine->process_events(_window, current_thread);
}
// If any GSG's on the list have no more outstanding pointers, clean them
// up. (We are in the draw thread for all of these GSG's.)