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Enable transparent resizing and display changes for supported renderers

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This commit is contained in:
Cameron Gutman
2023-12-17 21:15:27 -06:00
parent 481f23b6e9
commit 2a05b890d8
14 changed files with 116 additions and 4 deletions
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46
app/streaming/session.cpp
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@@ -1915,6 +1915,52 @@ void Session::execInternal()
break;
}
// Allow the renderer to handle the state change without being recreated
if (m_VideoDecoder) {
bool forceRecreation = false;
WINDOW_STATE_CHANGE_INFO windowChangeInfo = {};
windowChangeInfo.window = m_Window;
if (event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED) {
windowChangeInfo.stateChangeFlags |= WINDOW_STATE_CHANGE_SIZE;
windowChangeInfo.width = event.window.data1;
windowChangeInfo.height = event.window.data2;
}
int newDisplayIndex = SDL_GetWindowDisplayIndex(m_Window);
if (newDisplayIndex != currentDisplayIndex) {
windowChangeInfo.stateChangeFlags |= WINDOW_STATE_CHANGE_DISPLAY;
windowChangeInfo.displayIndex = newDisplayIndex;
// If the refresh rates have changed, we will need to go through the full
// decoder recreation path to ensure Pacer is switched to the new display
// and that we apply any V-Sync disablement rules that may be needed for
// this display.
SDL_DisplayMode oldMode, newMode;
if (SDL_GetCurrentDisplayMode(currentDisplayIndex, &oldMode) < 0 ||
SDL_GetCurrentDisplayMode(newDisplayIndex, &newMode) < 0 ||
oldMode.refresh_rate != newMode.refresh_rate) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Forcing renderer recreation due to refresh rate change between displays");
forceRecreation = true;
}
}
if (!forceRecreation && m_VideoDecoder->notifyWindowChanged(&windowChangeInfo)) {
// Update the window display mode based on our current monitor
// NB: Avoid a useless modeset by only doing this if it changed.
if (newDisplayIndex != currentDisplayIndex) {
currentDisplayIndex = newDisplayIndex;
updateOptimalWindowDisplayMode();
}
break;
}
}
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Recreating renderer for window event: %d (%d %d)",
event.window.event,