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Add full high DPI information to SDL_DisplayMode

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SDL_DisplayMode now includes the pixel size, the screen size and the relationship between the two. For example, a 4K display at 200% scale could have a pixel size of 3840x2160, a screen size of 1920x1080, and a display scale of 2.0.
This commit is contained in:
Sam Lantinga 2023-01-27 10:46:51 -08:00
parent b23d20cd4d
commit 24fec13ac1
31 changed files with 370 additions and 345 deletions
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12
src/core/winrt/SDL_winrtapp_direct3d.cpp
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@ -116,10 +116,10 @@ static void WINRT_ProcessWindowSizeChange() // TODO: Pass an SDL_Window-identify
SDL_Window *window = WINRT_GlobalSDLWindow;
SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
int x = WINRT_DIPS_TO_PHYSICAL_PIXELS(data->coreWindow->Bounds.Left);
int y = WINRT_DIPS_TO_PHYSICAL_PIXELS(data->coreWindow->Bounds.Top);
int w = WINRT_DIPS_TO_PHYSICAL_PIXELS(data->coreWindow->Bounds.Width);
int h = WINRT_DIPS_TO_PHYSICAL_PIXELS(data->coreWindow->Bounds.Height);
int x = (int)SDL_lroundf(data->coreWindow->Bounds.Left);
int y = (int)SDL_lroundf(data->coreWindow->Bounds.Top);
int w = (int)SDL_floorf(data->coreWindow->Bounds.Width);
int h = (int)SDL_floorf(data->coreWindow->Bounds.Height);
#if (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP) && (NTDDI_VERSION == NTDDI_WIN8)
/* WinPhone 8.0 always keeps its native window size in portrait,
@ -235,8 +235,8 @@ void SDL_WinRTApp::OnOrientationChanged(Object ^ sender)
SDL_Window *window = WINRT_GlobalSDLWindow;
if (window) {
SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
int w = WINRT_DIPS_TO_PHYSICAL_PIXELS(data->coreWindow->Bounds.Width);
int h = WINRT_DIPS_TO_PHYSICAL_PIXELS(data->coreWindow->Bounds.Height);
int w = (int)SDL_floorf(data->coreWindow->Bounds.Width);
int h = (int)SDL_floorf(data->coreWindow->Bounds.Height);
SDL_SendWindowEvent(WINRT_GlobalSDLWindow, SDL_EVENT_WINDOW_SIZE_CHANGED, w, h);
}
#endif