Hi Liming

Microsoft details about positioning can be found here:
https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/boot-screen-components

Thanks

Sean

On Fri, 5 Aug 2022 at 07:00, gaoliming via groups.io <gaoliming=
byosoft.com.cn@groups.io> wrote:

> Sean:
>   Can you give BGRT spec link? I want to check the spec description.
>
> Thanks
> Liming
> > -----邮件原件-----
> > 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Sean Rhodes
> > 发送时间: 2022年7月26日 16:15
> > 收件人: devel@edk2.groups.io
> > 抄送: Sean Rhodes <sean@starlabs.systems>; Zhichao Gao
> > <zhichao.gao@intel.com>; Ray Ni <ray.ni@intel.com>; Jian J Wang
> > <jian.j.wang@intel.com>; Liming Gao <gaoliming@byosoft.com.cn>
> > 主题: [edk2-devel] [PATCH 1/3] MdeModulePkg/BootLogoLib: Add option to
> > follow BGRT specification
> >
> > Add an option to position the logo 38.2% from the top of the screen,
> > which follows the BGRT specification.
> >
> > Cc: Zhichao Gao <zhichao.gao@intel.com>
> > Cc: Ray Ni <ray.ni@intel.com>
> > Cc: Jian J Wang <jian.j.wang@intel.com>
> > Cc: Liming Gao <gaoliming@byosoft.com.cn>
> > Signed-off-by: Sean Rhodes <sean@starlabs.systems>
> > ---
> >  MdeModulePkg/Include/Protocol/PlatformLogo.h   | 3 ++-
> >  MdeModulePkg/Library/BootLogoLib/BootLogoLib.c | 7 ++++---
> >  2 files changed, 6 insertions(+), 4 deletions(-)
> >
> > diff --git a/MdeModulePkg/Include/Protocol/PlatformLogo.h
> > b/MdeModulePkg/Include/Protocol/PlatformLogo.h
> > index 08e1dc35a4..7c9ef63c66 100644
> > --- a/MdeModulePkg/Include/Protocol/PlatformLogo.h
> > +++ b/MdeModulePkg/Include/Protocol/PlatformLogo.h
> > @@ -29,7 +29,8 @@ typedef enum {
> >    EdkiiPlatformLogoDisplayAttributeCenterBottom,
> >
> >    EdkiiPlatformLogoDisplayAttributeLeftBottom,
> >
> >    EdkiiPlatformLogoDisplayAttributeCenterLeft,
> >
> > -  EdkiiPlatformLogoDisplayAttributeCenter
> >
> > +  EdkiiPlatformLogoDisplayAttributeCenter,
> >
> > +  EdkiiPlatformLogoDisplayAttributeBGRTSpecification
> >
> >  } EDKII_PLATFORM_LOGO_DISPLAY_ATTRIBUTE;
> >
> >
> >
> >  /**
> >
> > diff --git a/MdeModulePkg/Library/BootLogoLib/BootLogoLib.c
> > b/MdeModulePkg/Library/BootLogoLib/BootLogoLib.c
> > index 478ec2d40e..ac086f9c79 100644
> > --- a/MdeModulePkg/Library/BootLogoLib/BootLogoLib.c
> > +++ b/MdeModulePkg/Library/BootLogoLib/BootLogoLib.c
> > @@ -169,7 +169,6 @@ BootLogoEnableLogo (
> >          DestX = SizeOfX - Image.Width;
> >
> >          DestY = 0;
> >
> >          break;
> >
> > -
> >
> >        case EdkiiPlatformLogoDisplayAttributeCenterLeft:
> >
> >          DestX = 0;
> >
> >          DestY = (SizeOfY - Image.Height) / 2;
> >
> > @@ -182,7 +181,6 @@ BootLogoEnableLogo (
> >          DestX = SizeOfX - Image.Width;
> >
> >          DestY = (SizeOfY - Image.Height) / 2;
> >
> >          break;
> >
> > -
> >
> >        case EdkiiPlatformLogoDisplayAttributeLeftBottom:
> >
> >          DestX = 0;
> >
> >          DestY = SizeOfY - Image.Height;
> >
> > @@ -195,7 +193,10 @@ BootLogoEnableLogo (
> >          DestX = SizeOfX - Image.Width;
> >
> >          DestY = SizeOfY - Image.Height;
> >
> >          break;
> >
> > -
> >
> > +      case EdkiiPlatformLogoDisplayAttributeBGRTSpecification:
> >
> > +        DestX = (SizeOfX - Image.Width) / 2;
> >
> > +        DestY = (SizeOfY * 382) / 1000 - Image.Height / 2;
> >
> > +        break;
> >
> >        default:
> >
> >          ASSERT (FALSE);
> >
> >          continue;
> >
> > --
> > 2.34.1
> >
> >
> >
> > -=-=-=-=-=-=
> > Groups.io Links: You receive all messages sent to this group.
> > View/Reply Online (#91842): https://edk2.groups.io/g/devel/message/91842
> > Mute This Topic: https://groups.io/mt/92623125/4905953
> > Group Owner: devel+owner@edk2.groups.io
> > Unsubscribe: https://edk2.groups.io/g/devel/unsub
> > [gaoliming@byosoft.com.cn]
> > -=-=-=-=-=-=
> >
>
>
>
>
>
> 
>
>
>