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Windows: add support for high-dpi when capable SDL versions are used.

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Issue #1421
This commit is contained in:
Alex Szpakowski
2022-06-11 19:49:26 -03:00
parent dd7e20fe18
commit 17b359f939
1 changed files with 7 additions and 0 deletions
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src/modules/window/sdl/Window.cpp
+7
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@@ -71,6 +71,12 @@ Window::Window()
, hasSDL203orEarlier(false) , hasSDL203orEarlier(false)
, contextAttribs() , contextAttribs()
{ {
// Windows uses a different API than SDL_WINDOW_ALLOW_HIGHDPI.
#if defined(LOVE_WINDOWS) && defined(SDL_HINT_WINDOWS_DPI_SCALING)
// This must be set before the video subsystem is initialized.
SDL_SetHint(SDL_HINT_WINDOWS_DPI_SCALING, isHighDPIAllowed() ? "1" : "0");
#endif
if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0) if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0)
throw love::Exception("Could not initialize SDL video subsystem (%s)", SDL_GetError()); throw love::Exception("Could not initialize SDL video subsystem (%s)", SDL_GetError());
@@ -589,6 +595,7 @@ bool Window::setWindow(int width, int height, WindowSettings *settings)
if (f.borderless) if (f.borderless)
sdlflags |= SDL_WINDOW_BORDERLESS; sdlflags |= SDL_WINDOW_BORDERLESS;
// Note: this flag is ignored on Windows.
if (isHighDPIAllowed()) if (isHighDPIAllowed())
sdlflags |= SDL_WINDOW_ALLOW_HIGHDPI; sdlflags |= SDL_WINDOW_ALLOW_HIGHDPI;