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The vsync field in t.window and love.window.setMode is now an integer.

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0 disables vsync, 1 sets it to sync every screen refreshes, 2 sets it to sync every 2 screen refreshes (effectively setting the framerate to half the monitor's refresh rate), etc.

As a special case, -1 also attempts to use adaptive vsync (vsync enabled when FPS is >= monitor's refresh rate, disabled whe not) if the driver supports it.

--HG--
branch : minor
This commit is contained in:
Alex Szpakowski
2016-08-29 22:52:15 -03:00
parent ef61573cd3
commit dd2a448099
3 changed files with 17 additions and 6 deletions
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src/modules/window/sdl/Window.cpp
+7 -2
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@@ -483,7 +483,12 @@ bool Window::setWindow(int width, int height, WindowSettings *settings)
SDL_RaiseWindow(window);
SDL_GL_SetSwapInterval(f.vsync ? 1 : 0);
SDL_GL_SetSwapInterval(f.vsync);
// Check if adaptive vsync was requested but not supported, and fall back
// to regular vsync if so.
if (f.vsync == -1 && SDL_GL_GetSwapInterval() != -1)
SDL_GL_SetSwapInterval(1);
updateSettings(f);
@@ -568,7 +573,7 @@ void Window::updateSettings(const WindowSettings &newsettings)
SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &samples);
settings.msaa = (buffers > 0 ? samples : 0);
settings.vsync = SDL_GL_GetSwapInterval() != 0;
settings.vsync = SDL_GL_GetSwapInterval();
SDL_DisplayMode dmode = {};
SDL_GetCurrentDisplayMode(settings.display, &dmode);