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WindowServer: Add a "scale" parameter to the SetResolution message and plumb it through

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Now, `chres 640 480 2` can set the UI to HighDPI 640x480 at runtime. A
real GUI for changing the display factor will come later.

(`chres 640 480 2` followed by `chres 1280 960` is very fast since
we don't have to re-allocate the framebuffer since both modes use
the exact same number of physical pixels.)
This commit is contained in:
Nico Weber 2021-01-15 14:53:53 -05:00 • committed by Andreas Kling
parent 248d75e13b
commit 63ac9462ad
9 changed files with 53 additions and 32 deletions
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2
Userland/Services/WindowServer/WindowServer.ipc
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@ -87,7 +87,7 @@ endpoint WindowServer = 2
SetBackgroundColor(String background_color) => ()
SetWallpaperMode(String mode) => ()
SetResolution(Gfx::IntSize resolution) => (bool success, Gfx::IntSize resolution)
SetResolution(Gfx::IntSize resolution, int scale_factor) => (bool success, Gfx::IntSize resolution, int scale_factor)
SetWindowIconBitmap(i32 window_id, Gfx::ShareableBitmap icon) => ()
GetWallpaper() => (String path)