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Always use the current display mode and just let the renderers scale the output

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This commit is contained in:
Cameron Gutman 2018-07-22 18:28:17 -07:00
parent 386e463942
commit bd170c4bd6
1 changed files with 11 additions and 28 deletions
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39
app/streaming/session.cpp
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@ -14,6 +14,9 @@
#endif #endif
#ifdef Q_OS_WIN32 #ifdef Q_OS_WIN32
// Using full-screen desktop allows us to avoid needing to enable V-sync
// and it also avoids some strange flickering issues on my Win7 test machine
// with Intel HD 5500 graphics.
#define SDL_OS_FULLSCREEN_FLAG SDL_WINDOW_FULLSCREEN_DESKTOP #define SDL_OS_FULLSCREEN_FLAG SDL_WINDOW_FULLSCREEN_DESKTOP
#else #else
#define SDL_OS_FULLSCREEN_FLAG SDL_WINDOW_FULLSCREEN #define SDL_OS_FULLSCREEN_FLAG SDL_WINDOW_FULLSCREEN
@ -411,39 +414,19 @@ void Session::getWindowDimensions(bool fullScreen,
} }
if (fullScreen) { if (fullScreen) {
SDL_DisplayMode desired, closest; SDL_DisplayMode currentMode;
SDL_zero(desired); if (SDL_GetCurrentDisplayMode(displayIndex, &currentMode) == 0) {
desired.w = m_StreamConfig.width;
desired.h = m_StreamConfig.height;
desired.refresh_rate = m_StreamConfig.fps;
// Trying to mode-set on my Fedora 28 workstation causes
// loss of the whole display that we try to adjust. It never
// comes back after the mode change until we revert the change
// by destroying the window. Possible KMS/X bug? Let's avoid
// exercising this path until we have a workaround.
#if !defined(Q_OS_LINUX) && SDL_OS_FULLSCREEN_FLAG == SDL_WINDOW_FULLSCREEN
if (SDL_GetClosestDisplayMode(displayIndex, &desired, &closest)) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Closest match for %dx%dx%d is %dx%dx%d",
desired.w, desired.h, desired.refresh_rate,
closest.w, closest.h, closest.refresh_rate);
width = closest.w;
height = closest.h;
}
else
#endif
if (SDL_GetCurrentDisplayMode(displayIndex, &closest) == 0) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Using current display mode: %dx%dx%d", "Using current display mode: %dx%dx%d",
closest.w, closest.h, closest.refresh_rate); currentMode.w, currentMode.h, currentMode.refresh_rate);
width = closest.w; width = currentMode.w;
height = closest.h; height = currentMode.h;
} }
else { else {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Unable to get current or closest display mode"); "Unable to get current display mode: %s",
SDL_GetError());
width = m_StreamConfig.width; width = m_StreamConfig.width;
height = m_StreamConfig.height; height = m_StreamConfig.height;
} }