[PATCH 5/5] ddraw: Update the primary surface format when changing the display mode.

[Stefan Dösinger]

Am 2017-02-01 um 11:02 schrieb Henri Verbeet:
>      hr = set_display_mode(ddraw, 640, 480);
>      ok(SUCCEEDED(hr), "Failed to set display mode, hr %#x.\n", hr);
>  
> +    memset(&surface_desc, 0, sizeof(surface_desc));
> +    surface_desc.dwSize = sizeof(surface_desc);
> +    hr = IDirectDrawSurface_GetSurfaceDesc(primary, &surface_desc);
> +    ok(SUCCEEDED(hr), "Failed to get surface desc, hr %#x.\n", hr);
> +    ok(surface_desc.dwWidth == 640, "Got unexpected surface width %u.\n", surface_desc.dwWidth);
> +    ok(surface_desc.dwHeight == 480, "Got unexpected surface height %u.\n", surface_desc.dwHeight);
> +    ok(U1(surface_desc.ddpfPixelFormat).dwRGBBitCount == 32
> +            || U1(surface_desc.ddpfPixelFormat).dwRGBBitCount == 24,
> +            "Got unexpected bit count %u.\n", U1(surface_desc.ddpfPixelFormat).dwRGBBitCount);
Since we know ddraw does magic on WM_DISPLAYCHANGE messages: Does this
also happen when you change the mode behind ddraw's back with
ChangeDisplaySettings?


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