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MdeModulePkg: Update to support mouse z-axis in ConSplitterDxe #11254

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MdeModulePkg: Update to support mouse z-axis in ConSplitterDxe #11254

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@YangGangUEFI YangGangUEFI commented Jul 4, 2025 •
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Description

If AbsoluteMaxZ/ResolutionZ is 0, it means z-axis is not supported. When getting AbsolutePointer/SimplePointer Protocol Interface and mouse state from gST->ConsoleInHandle, AbsoluteMaxZ/ResolutionZ is checked, so AbsState.CurrentZ/SimpleState.RelativeMovementZ is always 0.

Assign a valid value to AbsoluteMaxZ/ResolutionZ to indicate z-axis support.

  • Breaking change?
    • Breaking change - Does this PR cause a break in build or boot behavior?
    • Examples: Does it add a new library class or move a module to a different repo.
  • Impacts security?
    • Security - Does this PR have a direct security impact?
    • Examples: Crypto algorithm change or buffer overflow fix.
  • Includes tests?
    • Tests - Does this PR include any explicit test code?
    • Examples: Unit tests or integration tests.

How This Was Tested

Get gEfiAbsolutePointerProtocolGuid or gEfiSimplePointerProtocolGuid protocol from gST->ConsoleInHandle,
then use GetState to retrieves the current state of a pointer device, and print AbsState.CurrentZ/SimpleState.RelativeMovementZ.

Integration Instructions

N/A

@YangGangUEFI
MdeModulePkg: Update to support mouse z-axis in ConSplitterDxe
c78b238 
If `AbsoluteMaxZ`/`ResolutionZ` is 0, it means z-axis is not supported.
When getting AbsolutePointer/SimplePointer Protocol Interface and mouse
state from `gST->ConsoleInHandle`, `AbsoluteMaxZ`/`ResolutionZ` is checked,
so AbsState.CurrentZ/SimpleState.RelativeMovementZ is always 0.

Assign a valid value to `AbsoluteMaxZ`/`ResolutionZ` to indicate
z-axis support.

Signed-off-by: Yang Gang <[email protected]>
@YangGangUEFI YangGangUEFI marked this pull request as ready for review July 7, 2025 02:23
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@lgao4 lgao4 Awaiting requested review from lgao4

@niruiyu niruiyu Awaiting requested review from niruiyu

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