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[WIN32SS] Implement display acceleration level 5 (ie no acceleration)

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This is a easy as forcing usage of panning driver.
This commit is contained in:
Hervé Poussineau 2022-05-08 22:26:22 +02:00 committed by hpoussin
parent 4e0f2fc01c
commit 81aa81e38f
1 changed files with 3 additions and 2 deletions
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5
win32ss/gdi/eng/pdevobj.c
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@ -301,7 +301,7 @@ PDEVOBJ_vFilterDriverHooks(
if (dwAccelerationLevel >= 5)
{
/* Disable all display accelerations */
UNIMPLEMENTED;
/* (nothing to do. Already handled in PDEVOBJ_Create) */
}
}
@ -506,7 +506,8 @@ PDEVOBJ_Create(
ppdev->dwAccelerationLevel = dwAccelerationLevel;
/* Copy the function table */
if (pdm->dmFields & (DM_PANNINGWIDTH | DM_PANNINGHEIGHT))
if ((ldevtype == LDEV_DEVICE_DISPLAY && dwAccelerationLevel >= 5) ||
pdm->dmFields & (DM_PANNINGWIDTH | DM_PANNINGHEIGHT))
{
ULONG i;