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WinRT: fixed a display mode reporting bug, whereby DPI wasn't getting taken into account. (Thanks to Sylvain Becker for the fix!)

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This commit is contained in:
David Ludwig
2013-05-05 11:27:58 -04:00
parent 9bac42e973
commit 6ee6088ee2
1 changed files with 11 additions and 2 deletions
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13
src/video/windowsrt/SDL_WinRTApp.cpp
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@@ -870,13 +870,22 @@ void SDL_WinRTApp::OnResuming(Platform::Object^ sender, Platform::Object^ args)
SDL_DisplayMode SDL_WinRTApp::GetMainDisplayMode()
{
// Create an empty, zeroed-out display mode:
SDL_DisplayMode mode;
SDL_zero(mode);
// Fill in most fields:
mode.format = SDL_PIXELFORMAT_RGB888;
mode.w = (int) CoreWindow::GetForCurrentThread()->Bounds.Width;
mode.h = (int) CoreWindow::GetForCurrentThread()->Bounds.Height;
mode.refresh_rate = 0; // TODO, WinRT: see if refresh rate data is available, or relevant (for WinRT apps)
mode.driverdata = NULL;
// Calculate the display size given the window size, taking into account
// the current display's DPI:
const float currentDPI = Windows::Graphics::Display::DisplayProperties::LogicalDpi;
const float dipsPerInch = 96.0f;
mode.w = (int) ((CoreWindow::GetForCurrentThread()->Bounds.Width * currentDPI) / dipsPerInch);
mode.h = (int) ((CoreWindow::GetForCurrentThread()->Bounds.Height * currentDPI) / dipsPerInch);
return mode;
}