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[WIN32SS] Add PDEVOBJ_vEnableDisplay and PDEVOBJ_bDisplayDisplay

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Use them where appropriate.
This commit is contained in:
Hervé Poussineau 2022-01-09 11:33:38 +01:00 committed by hpoussin
parent 34085be22d
commit c5fb89dced
2 changed files with 50 additions and 6 deletions
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48
win32ss/gdi/eng/pdevobj.c
View file

@ -276,6 +276,45 @@ PDEVOBJ_pSurface(
return ppdev->pSurface;
}
VOID
PDEVOBJ_vEnableDisplay(
_Inout_ PPDEVOBJ ppdev)
{
BOOL assertVal;
if (!(ppdev->flFlags & PDEV_DISABLED))
return;
/* Try to enable display until success */
do
{
TRACE("DrvAssertMode(dhpdev %p, TRUE)\n", ppdev->dhpdev);
assertVal = ppdev->pfn.AssertMode(ppdev->dhpdev, TRUE);
TRACE("DrvAssertMode(dhpdev %p, TRUE) => %d\n", ppdev->dhpdev, assertVal);
} while (!assertVal);
ppdev->flFlags &= ~PDEV_DISABLED;
}
BOOL
PDEVOBJ_bDisableDisplay(
_Inout_ PPDEVOBJ ppdev)
{
BOOL assertVal;
if (ppdev->flFlags & PDEV_DISABLED)
return TRUE;
TRACE("DrvAssertMode(dhpdev %p, FALSE)\n", ppdev->dhpdev);
assertVal = ppdev->pfn.AssertMode(ppdev->dhpdev, FALSE);
TRACE("DrvAssertMode(dhpdev %p, FALSE) => %d\n", ppdev->dhpdev, assertVal);
if (assertVal)
ppdev->flFlags |= PDEV_DISABLED;
return assertVal;
}
VOID
NTAPI
PDEVOBJ_vRefreshModeList(
@ -509,9 +548,9 @@ PDEVOBJ_bSwitchMode(
// pdm = LDEVOBJ_bProbeAndCaptureDevmode(ppdev, pdm);
/* 1. Temporarily disable the current PDEV and reset video to its default mode */
if (!ppdev->pfn.AssertMode(ppdev->dhpdev, FALSE))
if (!PDEVOBJ_bDisableDisplay(ppdev))
{
DPRINT1("DrvAssertMode(FALSE) failed\n");
DPRINT1("PDEVOBJ_bDisableDisplay() failed\n");
goto leave;
}
@ -560,10 +599,7 @@ PDEVOBJ_bSwitchMode(
leave2:
/* Set the new video mode, or restore the original one in case of failure */
if (!ppdev->pfn.AssertMode(ppdev->dhpdev, TRUE))
{
DPRINT1("DrvAssertMode(TRUE) failed\n");
}
PDEVOBJ_vEnableDisplay(ppdev);
leave:
/* Unlock everything else */

8
win32ss/gdi/eng/pdevobj.h
View file

@ -219,4 +219,12 @@ PDEVOBJ_bDynamicModeChange(
_Inout_ PPDEVOBJ ppdev,
_Inout_ PPDEVOBJ ppdev2);
VOID
PDEVOBJ_vEnableDisplay(
_Inout_ PPDEVOBJ ppdev);
BOOL
PDEVOBJ_bDisableDisplay(
_Inout_ PPDEVOBJ ppdev);
#endif /* !__WIN32K_PDEVOBJ_H */