Hi Dmitry,
On 05/05/18 12:36, <8B@89 !B5?0=>2 wrote:
> Hello!
> Is it possible to tune Logo's behavior in OVMF? Now it overlaps
> Windows Logo during system boot
Hmmm, generally that shouldn't happen; the logo's location is made
available to windows via the BGRT (boot graphics resource table) ACPI
table. When we added BGRT support to OVMF [*], the location / appearance
of the Windows boot animation did change (because it started considering
the TianoCore logo displayed by OVMF), but I don't recall any actual
*conflict* between the logo & the boot animation.
[*] 6e5e544f227f ("OvmfPkg: Install BGRT ACPI table", 2017-01-06):
> Note from Laszlo Ersek <[email protected]>: without the BGRT ACPI
> table, Windows 8 and Windows 10 first clear the screen, then display a
> blue, slanted Windows picture above the rotating white boot animation.
> With the BGRT ACPI table, Windows 8 and Windows 10 don't clear the
> screen, the blue Windows image is not displayed, and the rotating
> white boot animation is shown between the firmware's original
> TianoCore boot splash and (optional) "Start boot option" progress bar.
In brief, this shouldn't happen, and if it does, it's not specific to
OVMF -- can you perhaps provide more information so that the
MdeModulePkg maintainers might help with the investigation? What Windows
release? What boot animation exactly? What screen resolution?
Thanks!
Laszlo
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