[ros-diffs] [reactos] 06/06: [WIN32SS] Implement display acceleration level 5 (ie no acceleration)

[Hervé Poussineau]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=81aa81e38f00745e581197...

commit 81aa81e38f00745e5811972ab471c2d7cc9763a9
Author:     Hervé Poussineau [e-mail]
AuthorDate: Sun May 8 22:26:22 2022 +0200
Commit:     hpoussin [e-mail]
CommitDate: Sat May 14 21:29:12 2022 +0200

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

This is a easy as forcing usage of panning driver.
---
 win32ss/gdi/eng/pdevobj.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/win32ss/gdi/eng/pdevobj.c b/win32ss/gdi/eng/pdevobj.c
index 293dae4b967..c8af5c7e9c3 100644
--- a/win32ss/gdi/eng/pdevobj.c
+++ b/win32ss/gdi/eng/pdevobj.c
@@ -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;