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[WIN32SS:ENG] Fix handling of Acceleration.Level parameter (was not read anymore)

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This commit is contained in:
Hervé Poussineau 2022-06-05 14:49:47 +02:00
parent dd2c7ea3ce
commit cd8305494c
4 changed files with 44 additions and 14 deletions
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43
win32ss/gdi/eng/device.c
View file

@ -167,21 +167,12 @@ EngpGetRegistryHandleFromDeviceMap(
NTSTATUS NTSTATUS
EngpGetDisplayDriverParameters( EngpGetDisplayDriverParameters(
_In_ PGRAPHICS_DEVICE pGraphicsDevice, _In_ PGRAPHICS_DEVICE pGraphicsDevice,
_Out_ PDEVMODEW pdm, _Out_ PDEVMODEW pdm)
_Out_opt_ PDWORD pdwAccelerationLevel)
{ {
HKEY hKey; HKEY hKey;
DWORD dwDummy;
NTSTATUS Status; NTSTATUS Status;
RTL_QUERY_REGISTRY_TABLE DisplaySettingsTable[] = RTL_QUERY_REGISTRY_TABLE DisplaySettingsTable[] =
{ {
{
NULL,
RTL_QUERY_REGISTRY_DIRECT,
L"Acceleration.Level",
pdwAccelerationLevel ? pdwAccelerationLevel : &dwDummy,
REG_NONE, NULL, 0
},
#define READ(field, str) \ #define READ(field, str) \
{ \ { \
NULL, \ NULL, \
@ -219,6 +210,38 @@ EngpGetDisplayDriverParameters(
return Status; return Status;
} }
DWORD
EngpGetDisplayDriverAccelerationLevel(
_In_ PGRAPHICS_DEVICE pGraphicsDevice)
{
HKEY hKey;
DWORD dwAccelerationLevel = 0;
RTL_QUERY_REGISTRY_TABLE DisplaySettingsTable[] =
{
{
NULL,
RTL_QUERY_REGISTRY_DIRECT,
L"Acceleration.Level",
&dwAccelerationLevel,
REG_NONE, NULL, 0
},
{0}
};
hKey = EngpGetRegistryHandleFromDeviceMap(pGraphicsDevice);
if (!hKey)
return 0;
RtlQueryRegistryValues(RTL_REGISTRY_HANDLE,
(PWSTR)hKey,
DisplaySettingsTable,
NULL,
NULL);
ZwClose(hKey);
return dwAccelerationLevel;
}
extern VOID extern VOID
UserRefreshDisplay(IN PPDEVOBJ ppdev); UserRefreshDisplay(IN PPDEVOBJ ppdev);

11
win32ss/gdi/eng/device.h
View file

@ -38,15 +38,20 @@ EngpUpdateGraphicsDeviceList(VOID);
/* Read configuration of a graphics card from registry: /* Read configuration of a graphics card from registry:
* - pGraphicsDevice: instance of the graphics card * - pGraphicsDevice: instance of the graphics card
* - pdm: on output, contains the values read in registry * - pdm: on output, contains the values read in registry
* - pdwAccelerationLevel: acceleration level stored in registry
* Return value: a STATUS_* value * Return value: a STATUS_* value
* Assume that pdm has already been zero-filled. * Assume that pdm has already been zero-filled.
* Note that dmFields is not updated. */ * Note that dmFields is not updated. */
NTSTATUS NTSTATUS
EngpGetDisplayDriverParameters( EngpGetDisplayDriverParameters(
_In_ PGRAPHICS_DEVICE pGraphicsDevice, _In_ PGRAPHICS_DEVICE pGraphicsDevice,
_Out_ PDEVMODEW pdm, _Out_ PDEVMODEW pdm);
_Out_opt_ PDWORD pdwAccelerationLevel);
/* Read acceleration level of a graphics card from registry
* - pGraphicsDevice: instance of the graphics card
* - Return value: acceleration level stored in registry */
DWORD
EngpGetDisplayDriverAccelerationLevel(
_In_ PGRAPHICS_DEVICE pGraphicsDevice);
CODE_SEG("INIT") CODE_SEG("INIT")
NTSTATUS NTSTATUS

2
win32ss/gdi/eng/ldevobj.c
View file

@ -750,7 +750,7 @@ LDEVOBJ_bProbeAndCaptureDevmode(
/* At first, load information from registry */ /* At first, load information from registry */
RtlZeroMemory(&dmSearch, sizeof(dmSearch)); RtlZeroMemory(&dmSearch, sizeof(dmSearch));
Status = EngpGetDisplayDriverParameters(pGraphicsDevice, &dmSearch, NULL); Status = EngpGetDisplayDriverParameters(pGraphicsDevice, &dmSearch);
if (!NT_SUCCESS(Status)) if (!NT_SUCCESS(Status))
{ {
ERR("EngpGetDisplayDriverParameters() failed with status 0x%08x\n", Status); ERR("EngpGetDisplayDriverParameters() failed with status 0x%08x\n", Status);

2
win32ss/gdi/eng/mdevobj.c
View file

@ -105,6 +105,8 @@ MDEVOBJ_Create(
dmDefault.dmSize = sizeof(dmDefault); dmDefault.dmSize = sizeof(dmDefault);
} }
dwAccelerationLevel = EngpGetDisplayDriverAccelerationLevel(pGraphicsDevice);
/* Get or create a PDEV for these settings */ /* Get or create a PDEV for these settings */
if (LDEVOBJ_bProbeAndCaptureDevmode(pGraphicsDevice, pdm ? pdm : &dmDefault, &localPdm, !pdm)) if (LDEVOBJ_bProbeAndCaptureDevmode(pGraphicsDevice, pdm ? pdm : &dmDefault, &localPdm, !pdm))
{ {