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Improve unsupported FPS options and performance

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This commit is contained in:
Cameron Gutman
2018-09-08 15:09:46 -07:00
parent 64a08f0533
commit c9a7c15f98
7 changed files with 110 additions and 65 deletions
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46
app/streaming/streamutils.cpp
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@@ -25,6 +25,52 @@ void StreamUtils::scaleSourceToDestinationSurface(SDL_Rect* src, SDL_Rect* dst)
}
}
int StreamUtils::getDisplayRefreshRate(SDL_Window* window)
{
int displayIndex = SDL_GetWindowDisplayIndex(window);
if (displayIndex < 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Failed to get current display: %s",
SDL_GetError());
// Assume display 0 if it fails
displayIndex = 0;
}
SDL_DisplayMode mode;
if ((SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN) {
// Use the window display mode for full-screen exclusive mode
if (SDL_GetWindowDisplayMode(window, &mode) != 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"SDL_GetWindowDisplayMode() failed: %s",
SDL_GetError());
// Assume 60 Hz
return 60;
}
}
else {
// Use the current display mode for windowed and borderless
if (SDL_GetCurrentDisplayMode(displayIndex, &mode) != 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"SDL_GetCurrentDisplayMode() failed: %s",
SDL_GetError());
// Assume 60 Hz
return 60;
}
}
// May be zero if undefined
if (mode.refresh_rate == 0) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Refresh rate unknown; assuming 60 Hz");
mode.refresh_rate = 60;
}
return mode.refresh_rate;
}
bool StreamUtils::getRealDesktopMode(int displayIndex, SDL_DisplayMode* mode)
{
#ifdef Q_OS_DARWIN