[reactos] 01/01: [WIN32SS][GDI] Improve stub for EngQueryDeviceAttribute

[Bernhard Feichtinger]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=774246e95c0df326464e5…
commit 774246e95c0df326464e59ad4a948c9dc8948d96
Author:     Bernhard Feichtinger <43303168+BieHDC(a)users.noreply.github.com>
AuthorDate: Mon Apr 22 21:12:53 2019 +0200
Commit:     Timo Kreuzer <timo.kreuzer(a)reactos.org>
CommitDate: Sun Jun 30 23:50:20 2019 +0200
    [WIN32SS][GDI] Improve stub for EngQueryDeviceAttribute
---
 win32ss/gdi/eng/stubs.c | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)
diff --git a/win32ss/gdi/eng/stubs.c b/win32ss/gdi/eng/stubs.c
index 35f329209ad..29d5595d7fc 100644
--- a/win32ss/gdi/eng/stubs.c
+++ b/win32ss/gdi/eng/stubs.c
@@ -583,14 +583,25 @@ EngPlgBlt(
 BOOL
 APIENTRY
 EngQueryDeviceAttribute(
-    IN HDEV Device,
-    IN ENG_DEVICE_ATTRIBUTE Attribute,
-    IN VOID *In,
-    IN ULONG InSize,
-    OUT VOID *Out,
-    OUT ULONG OutSize)
+    _In_ HDEV hdev,
+    _In_ ENG_DEVICE_ATTRIBUTE devAttr,
+    _In_reads_bytes_(cjInSize) PVOID pvIn,
+    _In_ ULONG cjInSize,
+    _Out_writes_bytes_(cjOutSize) PVOID pvOut,
+    _In_ ULONG cjOutSize)
 {
+    if (devAttr != QDA_ACCELERATION_LEVEL)
+        return FALSE;
+
     UNIMPLEMENTED;
+
+    if (cjOutSize >= sizeof(DWORD))
+    {
+        /* Set all accelerations to enabled */
+        *(DWORD*)pvOut = 0;
+        return TRUE;
+    }
+
     return FALSE;
 }