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0a35997643
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1412 Original logic: Connect the graphics device -> connect it as graphics consoles and initialize its parameters(Mode = -1, invalid) -> connect it as console spliter and add the device to the list(use SetMode to set mode to the user defined mode or the best mode the devices supported if the mode is invalid. *clear the screen at this phase*) Changed logic: Connect the graphics device -> connect it as graphics consoles and initialize its parameters(initialize the mode to the user defined mode or the best mode. *directly set the mode value without using SetMode, that would not clear the screen) -> connect it as console spliter and add the device to the list(use SetMode to set mode to the user defined mode or the best mode the devices supported if the mode is invalid. *now the mode is already set, so it would not clear the screen*). Also remove the section of SetMode for debug version. Impact: as the text mode may not be an invalid value, the SetMode may have no chance to be called during reconnect the graphics device. That means the screen may not be cleaned after finishing reconnect operation. There is one common condition: shell command "recoonect -r". Cc: Jian J Wang <jian.j.wang@intel.com> Cc: Hao Wu <hao.a.wu@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Star Zeng <star.zeng@intel.com> Cc: Liming Gao <liming.gao@intel.com> Cc: Sean Brogan <sean.brogan@microsoft.com> Cc: Michael Turner <Michael.Turner@microsoft.com> Cc: Bret Barkelew <Bret.Barkelew@microsoft.com> Cc: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Zhichao Gao <zhichao.gao@intel.com> Acked-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
73 lines
2.2 KiB
INI
73 lines
2.2 KiB
INI
## @file
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# Console support on graphic devices.
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#
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# This driver will install Simple Text Output protocol by consuming Graphices Output
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# protocol or UGA Draw protocol on graphic devices.
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#
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# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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#
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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = GraphicsConsoleDxe
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MODULE_UNI_FILE = GraphicsConsoleDxe.uni
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FILE_GUID = CCCB0C28-4B24-11d5-9A5A-0090273FC14D
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MODULE_TYPE = UEFI_DRIVER
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VERSION_STRING = 1.0
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ENTRY_POINT = InitializeGraphicsConsole
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#
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# The following information is for reference only and not required by the build tools.
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#
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# VALID_ARCHITECTURES = IA32 X64 EBC
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#
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# DRIVER_BINDING = gGraphicsConsoleDriverBinding
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# COMPONENT_NAME = gGraphicsConsoleComponentName
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# COMPONENT_NAME2 = gGraphicsConsoleComponentName2
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#
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[Sources]
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ComponentName.c
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LaffStd.c
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GraphicsConsole.c
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GraphicsConsole.h
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[Packages]
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MdePkg/MdePkg.dec
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MdeModulePkg/MdeModulePkg.dec
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[LibraryClasses]
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UefiBootServicesTableLib
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MemoryAllocationLib
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BaseMemoryLib
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UefiLib
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UefiDriverEntryPoint
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DebugLib
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HiiLib
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PcdLib
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[Protocols]
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gEfiDevicePathProtocolGuid ## TO_START
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gEfiSimpleTextOutProtocolGuid ## BY_START
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gEfiGraphicsOutputProtocolGuid ## TO_START
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gEfiUgaDrawProtocolGuid ## TO_START
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gEfiHiiFontProtocolGuid ## TO_START
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## TO_START
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## NOTIFY
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gEfiHiiDatabaseProtocolGuid
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[FeaturePcd]
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gEfiMdePkgTokenSpaceGuid.PcdUgaConsumeSupport ## CONSUMES
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[Pcd]
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gEfiMdeModulePkgTokenSpaceGuid.PcdVideoHorizontalResolution ## SOMETIMES_CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdVideoVerticalResolution ## SOMETIMES_CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdConOutRow ## SOMETIMES_CONSUMES
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gEfiMdeModulePkgTokenSpaceGuid.PcdConOutColumn ## SOMETIMES_CONSUMES
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[UserExtensions.TianoCore."ExtraFiles"]
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GraphicsConsoleDxeExtra.uni
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