-/*
- * ReactOS W32 Subsystem
- * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-/* $Id$
- *
- * GDI Driver support routines
- * (mostly swiped from Wine)
- *
- */
-#include <w32k.h>
-
-#define NDEBUG
-#include <debug.h>
-
-/* #define TRACE_DRV_CALLS to get a log of all calls into the display driver. */
-#undef TRACE_DRV_CALLS
-
-
-typedef struct _GRAPHICS_DRIVER
-{
- PWSTR Name;
- PFN_DrvEnableDriver EnableDriver;
- int ReferenceCount;
- struct _GRAPHICS_DRIVER *Next;
-} GRAPHICS_DRIVER, *PGRAPHICS_DRIVER;
-
-static PGRAPHICS_DRIVER DriverList;
-static PGRAPHICS_DRIVER GenericDriver = NULL;
-
-BOOL DRIVER_RegisterDriver(LPCWSTR Name, PFN_DrvEnableDriver EnableDriver)
-{
- PGRAPHICS_DRIVER Driver;
-
- DPRINT( "DRIVER_RegisterDriver( Name: %S )\n", Name );
-
- if (GenericDriver != NULL)
- {
- return FALSE;
- }
- Driver = ExAllocatePoolWithTag(PagedPool, sizeof(*Driver), TAG_DRIVER);
- if (!Driver) return FALSE;
- Driver->ReferenceCount = 0;
- Driver->EnableDriver = EnableDriver;
- if (Name)
- {
- Driver->Name = ExAllocatePoolWithTag(PagedPool,
- (wcslen(Name) + 1) * sizeof(WCHAR),
- TAG_DRIVER);
- if (Driver->Name == NULL)
- {
- DPRINT1("Out of memory\n");
- ExFreePoolWithTag(Driver, TAG_DRIVER);
- return FALSE;
- }
-
- wcscpy(Driver->Name, Name);
- Driver->Next = DriverList;
- DriverList = Driver;
- return TRUE;
- }
-
- GenericDriver = Driver;
- return TRUE;
-}
-
-PFN_DrvEnableDriver DRIVER_FindExistingDDIDriver(LPCWSTR Name)
-{
- GRAPHICS_DRIVER *Driver = DriverList;
- while (Driver && Name)
- {
- if (!_wcsicmp(Driver->Name, Name))
- {
- return Driver->EnableDriver;
- }
- Driver = Driver->Next;
- }
-
- return NULL;
-}
-
-PFN_DrvEnableDriver DRIVER_FindDDIDriver(LPCWSTR Name)
-{
- static WCHAR DefaultPath[] = L"\\SystemRoot\\System32\\";
- static WCHAR DefaultExtension[] = L".DLL";
- PFN_DrvEnableDriver ExistingDriver;
- SYSTEM_GDI_DRIVER_INFORMATION GdiDriverInfo;
- NTSTATUS Status;
- LPWSTR FullName;
- LPCWSTR p;
- BOOL PathSeparatorFound;
- BOOL DotFound;
- UINT Size;
-
- DotFound = FALSE;
- PathSeparatorFound = FALSE;
- p = Name;
- while (L'\0' != *p)
- {
- if (L'\\' == *p || L'/' == *p)
- {
- PathSeparatorFound = TRUE;
- DotFound = FALSE;
- }
- else if (L'.' == *p)
- {
- DotFound = TRUE;
- }
- p++;
- }
-
- Size = (wcslen(Name) + 1) * sizeof(WCHAR);
- if (! PathSeparatorFound)
- {
- Size += sizeof(DefaultPath) - sizeof(WCHAR);
- }
- if (! DotFound)
- {
- Size += sizeof(DefaultExtension) - sizeof(WCHAR);
- }
- FullName = ExAllocatePoolWithTag(PagedPool, Size, TAG_DRIVER);
- if (NULL == FullName)
- {
- DPRINT1("Out of memory\n");
- return NULL;
- }
- if (PathSeparatorFound)
- {
- FullName[0] = L'\0';
- }
- else
- {
- wcscpy(FullName, DefaultPath);
- }
- wcscat(FullName, Name);
- if (! DotFound)
- {
- wcscat(FullName, DefaultExtension);
- }
-
- /* First see if the driver hasn't already been loaded */
- ExistingDriver = DRIVER_FindExistingDDIDriver(FullName);
- if (ExistingDriver)
- {
- ExFreePoolWithTag(FullName, TAG_DRIVER);
- return ExistingDriver;
- }
-
- /* If not, then load it */
- RtlInitUnicodeString (&GdiDriverInfo.DriverName, FullName);
- Status = ZwSetSystemInformation (SystemLoadGdiDriverInformation, &GdiDriverInfo, sizeof(SYSTEM_GDI_DRIVER_INFORMATION));
-
- if (!NT_SUCCESS(Status))
- {
- ExFreePool(FullName);
- return NULL;
- }
-
- DRIVER_RegisterDriver( L"DISPLAY", GdiDriverInfo.EntryPoint);
- DRIVER_RegisterDriver( FullName, GdiDriverInfo.EntryPoint);
- ExFreePoolWithTag(FullName, TAG_DRIVER);
- return (PFN_DrvEnableDriver)GdiDriverInfo.EntryPoint;
-}
-
-#define BEGIN_FUNCTION_MAP() \
- ULONG i; \
- for (i = 0; i < DED->c; i++) \
- { \
- switch(DED->pdrvfn[i].iFunc) \
- {
-
-#define END_FUNCTION_MAP() \
- default: \
- DPRINT1("Unsupported DDI function 0x%x\n", DED->pdrvfn[i].iFunc); \
- break; \
- } \
- }
-
-#ifdef TRACE_DRV_CALLS
-
-typedef struct _TRACEDRVINFO
- {
- unsigned Index;
- char *Name;
- PVOID DrvRoutine;
- }
-TRACEDRVINFO, *PTRACEDRVINFO;
-
-__asm__(
-" .text\n"
-"TraceDrv:\n"
-" pushl %eax\n"
-" call _FindTraceInfo\n"
-" add $4,%esp\n"
-" pushl %eax\n"
-" pushl 4(%eax)\n"
-" call _DbgPrint\n"
-" addl $4,%esp\n"
-" popl %eax\n"
-" mov 8(%eax),%eax\n"
-" jmp *%eax\n"
-);
-
-#define TRACEDRV_ROUTINE(function) \
-unsigned TraceDrvIndex##function = INDEX_Drv##function; \
-__asm__ ( \
-" .text\n" \
-"_Trace" #function ":\n" \
-" movl _TraceDrvIndex" #function ",%eax\n" \
-" jmp TraceDrv\n" \
-); \
-extern PVOID Trace##function;
-
-TRACEDRV_ROUTINE(EnablePDEV)
-TRACEDRV_ROUTINE(CompletePDEV)
-TRACEDRV_ROUTINE(DisablePDEV)
-TRACEDRV_ROUTINE(EnableSurface)
-TRACEDRV_ROUTINE(DisableSurface)
-TRACEDRV_ROUTINE(AssertMode)
-TRACEDRV_ROUTINE(Offset)
-TRACEDRV_ROUTINE(ResetPDEV)
-TRACEDRV_ROUTINE(DisableDriver)
-TRACEDRV_ROUTINE(CreateDeviceBitmap)
-TRACEDRV_ROUTINE(DeleteDeviceBitmap)
-TRACEDRV_ROUTINE(RealizeBrush)
-TRACEDRV_ROUTINE(DitherColor)
-TRACEDRV_ROUTINE(StrokePath)
-TRACEDRV_ROUTINE(FillPath)
-TRACEDRV_ROUTINE(StrokeAndFillPath)
-TRACEDRV_ROUTINE(Paint)
-TRACEDRV_ROUTINE(BitBlt)
-TRACEDRV_ROUTINE(TransparentBlt)
-TRACEDRV_ROUTINE(CopyBits)
-TRACEDRV_ROUTINE(StretchBlt)
-TRACEDRV_ROUTINE(StretchBltROP)
-TRACEDRV_ROUTINE(SetPalette)
-TRACEDRV_ROUTINE(TextOut)
-TRACEDRV_ROUTINE(Escape)
-TRACEDRV_ROUTINE(DrawEscape)
-TRACEDRV_ROUTINE(QueryFont)
-TRACEDRV_ROUTINE(QueryFontTree)
-TRACEDRV_ROUTINE(QueryFontData)
-TRACEDRV_ROUTINE(SetPointerShape)
-TRACEDRV_ROUTINE(MovePointer)
-TRACEDRV_ROUTINE(LineTo)
-TRACEDRV_ROUTINE(SendPage)
-TRACEDRV_ROUTINE(StartPage)
-TRACEDRV_ROUTINE(EndDoc)
-TRACEDRV_ROUTINE(StartDoc)
-TRACEDRV_ROUTINE(GetGlyphMode)
-TRACEDRV_ROUTINE(Synchronize)
-TRACEDRV_ROUTINE(SaveScreenBits)
-TRACEDRV_ROUTINE(GetModes)
-TRACEDRV_ROUTINE(Free)
-TRACEDRV_ROUTINE(DestroyFont)
-TRACEDRV_ROUTINE(QueryFontCaps)
-TRACEDRV_ROUTINE(LoadFontFile)
-TRACEDRV_ROUTINE(UnloadFontFile)
-TRACEDRV_ROUTINE(FontManagement)
-TRACEDRV_ROUTINE(QueryTrueTypeTable)
-TRACEDRV_ROUTINE(QueryTrueTypeOutline)
-TRACEDRV_ROUTINE(GetTrueTypeFile)
-TRACEDRV_ROUTINE(QueryFontFile)
-TRACEDRV_ROUTINE(QueryAdvanceWidths)
-TRACEDRV_ROUTINE(SetPixelFormat)
-TRACEDRV_ROUTINE(DescribePixelFormat)
-TRACEDRV_ROUTINE(SwapBuffers)
-TRACEDRV_ROUTINE(StartBanding)
-TRACEDRV_ROUTINE(NextBand)
-TRACEDRV_ROUTINE(GetDirectDrawInfo)
-TRACEDRV_ROUTINE(EnableDirectDraw)
-TRACEDRV_ROUTINE(DisableDirectDraw)
-TRACEDRV_ROUTINE(QuerySpoolType)
-TRACEDRV_ROUTINE(IcmSetDeviceGammaRamp)
-TRACEDRV_ROUTINE(GradientFill)
-TRACEDRV_ROUTINE(SynchronizeSurface)
-TRACEDRV_ROUTINE(AlphaBlend)
-
-#define TRACEDRVINFO_ENTRY(function) \
- { INDEX_Drv##function, "Drv" #function "\n", NULL }
-static TRACEDRVINFO TraceDrvInfo[] =
- {
- TRACEDRVINFO_ENTRY(EnablePDEV),
- TRACEDRVINFO_ENTRY(CompletePDEV),
- TRACEDRVINFO_ENTRY(DisablePDEV),
- TRACEDRVINFO_ENTRY(EnableSurface),
- TRACEDRVINFO_ENTRY(DisableSurface),
- TRACEDRVINFO_ENTRY(AssertMode),
- TRACEDRVINFO_ENTRY(Offset),
- TRACEDRVINFO_ENTRY(ResetPDEV),
- TRACEDRVINFO_ENTRY(DisableDriver),
- TRACEDRVINFO_ENTRY(CreateDeviceBitmap),
- TRACEDRVINFO_ENTRY(DeleteDeviceBitmap),
- TRACEDRVINFO_ENTRY(RealizeBrush),
- TRACEDRVINFO_ENTRY(DitherColor),
- TRACEDRVINFO_ENTRY(StrokePath),
- TRACEDRVINFO_ENTRY(FillPath),
- TRACEDRVINFO_ENTRY(StrokeAndFillPath),
- TRACEDRVINFO_ENTRY(Paint),
- TRACEDRVINFO_ENTRY(BitBlt),
- TRACEDRVINFO_ENTRY(TransparentBlt),
- TRACEDRVINFO_ENTRY(CopyBits),
- TRACEDRVINFO_ENTRY(StretchBlt),
- TRACEDRVINFO_ENTRY(StretchBltROP),
- TRACEDRVINFO_ENTRY(SetPalette),
- TRACEDRVINFO_ENTRY(TextOut),
- TRACEDRVINFO_ENTRY(Escape),
- TRACEDRVINFO_ENTRY(DrawEscape),
- TRACEDRVINFO_ENTRY(QueryFont),
- TRACEDRVINFO_ENTRY(QueryFontTree),
- TRACEDRVINFO_ENTRY(QueryFontData),
- TRACEDRVINFO_ENTRY(SetPointerShape),
- TRACEDRVINFO_ENTRY(MovePointer),
- TRACEDRVINFO_ENTRY(LineTo),
- TRACEDRVINFO_ENTRY(SendPage),
- TRACEDRVINFO_ENTRY(StartPage),
- TRACEDRVINFO_ENTRY(EndDoc),
- TRACEDRVINFO_ENTRY(StartDoc),
- TRACEDRVINFO_ENTRY(GetGlyphMode),
- TRACEDRVINFO_ENTRY(Synchronize),
- TRACEDRVINFO_ENTRY(SaveScreenBits),
- TRACEDRVINFO_ENTRY(GetModes),
- TRACEDRVINFO_ENTRY(Free),
- TRACEDRVINFO_ENTRY(DestroyFont),
- TRACEDRVINFO_ENTRY(QueryFontCaps),
- TRACEDRVINFO_ENTRY(LoadFontFile),
- TRACEDRVINFO_ENTRY(UnloadFontFile),
- TRACEDRVINFO_ENTRY(FontManagement),
- TRACEDRVINFO_ENTRY(QueryTrueTypeTable),
- TRACEDRVINFO_ENTRY(QueryTrueTypeOutline),
- TRACEDRVINFO_ENTRY(GetTrueTypeFile),
- TRACEDRVINFO_ENTRY(QueryFontFile),
- TRACEDRVINFO_ENTRY(QueryAdvanceWidths),
- TRACEDRVINFO_ENTRY(SetPixelFormat),
- TRACEDRVINFO_ENTRY(DescribePixelFormat),
- TRACEDRVINFO_ENTRY(SwapBuffers),
- TRACEDRVINFO_ENTRY(StartBanding),
- TRACEDRVINFO_ENTRY(NextBand),
- TRACEDRVINFO_ENTRY(GetDirectDrawInfo),
- TRACEDRVINFO_ENTRY(EnableDirectDraw),
- TRACEDRVINFO_ENTRY(DisableDirectDraw),
- TRACEDRVINFO_ENTRY(QuerySpoolType),
- TRACEDRVINFO_ENTRY(IcmSetDeviceGammaRamp),
- TRACEDRVINFO_ENTRY(GradientFill),
- TRACEDRVINFO_ENTRY(SynchronizeSurface),
- TRACEDRVINFO_ENTRY(AlphaBlend)
- };
-
-PTRACEDRVINFO
-FindTraceInfo(unsigned Index)
-{
- unsigned i;
-
- for (i = 0; i < sizeof(TraceDrvInfo) / sizeof(TRACEDRVINFO); i++)
- {
- if (TraceDrvInfo[i].Index == Index)
- {
- return TraceDrvInfo + i;
- }
- }
-
- return NULL;
-}
-
-#define DRIVER_FUNCTION(function) \
- case INDEX_Drv##function: \
- FindTraceInfo(INDEX_Drv##function)->DrvRoutine = DED->pdrvfn[i].pfn; \
- *(PVOID*)&DF->function = &Trace##function; \
- break
-#else
-#define DRIVER_FUNCTION(function) \
- case INDEX_Drv##function: \
- *(PVOID*)&DF->function = DED->pdrvfn[i].pfn; \
- break
-#endif
-
-BOOL DRIVER_BuildDDIFunctions(PDRVENABLEDATA DED,
- PDRIVER_FUNCTIONS DF)
-{
- BEGIN_FUNCTION_MAP();
- DRIVER_FUNCTION(EnablePDEV);
- DRIVER_FUNCTION(CompletePDEV);
- DRIVER_FUNCTION(DisablePDEV);
- DRIVER_FUNCTION(EnableSurface);
- DRIVER_FUNCTION(DisableSurface);
- DRIVER_FUNCTION(AssertMode);
- DRIVER_FUNCTION(Offset);
- DRIVER_FUNCTION(ResetPDEV);
- DRIVER_FUNCTION(DisableDriver);
- DRIVER_FUNCTION(Unknown1);
- DRIVER_FUNCTION(CreateDeviceBitmap);
- DRIVER_FUNCTION(DeleteDeviceBitmap);
- DRIVER_FUNCTION(RealizeBrush);
- DRIVER_FUNCTION(DitherColor);
- DRIVER_FUNCTION(StrokePath);
- DRIVER_FUNCTION(FillPath);
- DRIVER_FUNCTION(StrokeAndFillPath);
- DRIVER_FUNCTION(Paint);
- DRIVER_FUNCTION(BitBlt);
- DRIVER_FUNCTION(CopyBits);
- DRIVER_FUNCTION(StretchBlt);
- DRIVER_FUNCTION(Unknown2);
- DRIVER_FUNCTION(SetPalette);
- DRIVER_FUNCTION(TextOut);
- DRIVER_FUNCTION(Escape);
- DRIVER_FUNCTION(DrawEscape);
- DRIVER_FUNCTION(QueryFont);
- DRIVER_FUNCTION(QueryFontTree);
- DRIVER_FUNCTION(QueryFontData);
- DRIVER_FUNCTION(SetPointerShape);
- DRIVER_FUNCTION(MovePointer);
- DRIVER_FUNCTION(LineTo);
- DRIVER_FUNCTION(SendPage);
- DRIVER_FUNCTION(StartPage);
- DRIVER_FUNCTION(EndDoc);
- DRIVER_FUNCTION(StartDoc);
- DRIVER_FUNCTION(Unknown3);
- DRIVER_FUNCTION(GetGlyphMode);
- DRIVER_FUNCTION(Synchronize);
- DRIVER_FUNCTION(Unknown4);
- DRIVER_FUNCTION(SaveScreenBits);
- DRIVER_FUNCTION(GetModes);
- DRIVER_FUNCTION(Free);
- DRIVER_FUNCTION(DestroyFont);
- DRIVER_FUNCTION(QueryFontCaps);
- DRIVER_FUNCTION(LoadFontFile);
- DRIVER_FUNCTION(UnloadFontFile);
- DRIVER_FUNCTION(FontManagement);
- DRIVER_FUNCTION(QueryTrueTypeTable);
- DRIVER_FUNCTION(QueryTrueTypeOutline);
- DRIVER_FUNCTION(GetTrueTypeFile);
- DRIVER_FUNCTION(QueryFontFile);
- DRIVER_FUNCTION(QueryAdvanceWidths);
- DRIVER_FUNCTION(SetPixelFormat);
- DRIVER_FUNCTION(DescribePixelFormat);
- DRIVER_FUNCTION(SwapBuffers);
- DRIVER_FUNCTION(StartBanding);
- DRIVER_FUNCTION(NextBand);
- DRIVER_FUNCTION(GetDirectDrawInfo);
- DRIVER_FUNCTION(EnableDirectDraw);
- DRIVER_FUNCTION(DisableDirectDraw);
- DRIVER_FUNCTION(QuerySpoolType);
- DRIVER_FUNCTION(Unknown5);
- DRIVER_FUNCTION(IcmCreateColorTransform);
- DRIVER_FUNCTION(IcmDeleteColorTransform);
- DRIVER_FUNCTION(IcmCheckBitmapBits);
- DRIVER_FUNCTION(IcmSetDeviceGammaRamp);
- DRIVER_FUNCTION(GradientFill);
- DRIVER_FUNCTION(StretchBltROP);
- DRIVER_FUNCTION(PlgBlt);
- DRIVER_FUNCTION(AlphaBlend);
- DRIVER_FUNCTION(SynthesizeFont);
- DRIVER_FUNCTION(GetSynthesizedFontFiles);
- DRIVER_FUNCTION(TransparentBlt);
- DRIVER_FUNCTION(QueryPerBandInfo);
- DRIVER_FUNCTION(QueryDeviceSupport);
- DRIVER_FUNCTION(Reserved1);
- DRIVER_FUNCTION(Reserved2);
- DRIVER_FUNCTION(Reserved3);
- DRIVER_FUNCTION(Reserved4);
- DRIVER_FUNCTION(Reserved5);
- DRIVER_FUNCTION(Reserved6);
- DRIVER_FUNCTION(Reserved7);
- DRIVER_FUNCTION(Reserved8);
- DRIVER_FUNCTION(DeriveSurface);
- DRIVER_FUNCTION(QueryGlyphAttrs);
- DRIVER_FUNCTION(Notify);
- DRIVER_FUNCTION(SynchronizeSurface);
- DRIVER_FUNCTION(ResetDevice);
- DRIVER_FUNCTION(Reserved9);
- DRIVER_FUNCTION(Reserved10);
- DRIVER_FUNCTION(Reserved11);
- END_FUNCTION_MAP();
-
- return TRUE;
-}
-
-typedef LONG VP_STATUS;
-typedef VP_STATUS (APIENTRY *PMP_DRIVERENTRY)(PVOID, PVOID);
-
-PFILE_OBJECT DRIVER_FindMPDriver(ULONG DisplayNumber)
-{
- OBJECT_ATTRIBUTES ObjectAttributes;
- WCHAR DeviceNameBuffer[20];
- UNICODE_STRING DeviceName;
- IO_STATUS_BLOCK Iosb;
- HANDLE DisplayHandle;
- NTSTATUS Status;
- PFILE_OBJECT VideoFileObject;
-
- swprintf(DeviceNameBuffer, L"\\??\\DISPLAY%d", DisplayNumber + 1);
- RtlInitUnicodeString(&DeviceName, DeviceNameBuffer);
- InitializeObjectAttributes(&ObjectAttributes,
- &DeviceName,
- 0,
- NULL,
- NULL);
- Status = ZwOpenFile(&DisplayHandle,
- FILE_ALL_ACCESS,
- &ObjectAttributes,
- &Iosb,
- 0,
- FILE_SYNCHRONOUS_IO_ALERT);
- if (NT_SUCCESS(Status))
- {
- Status = ObReferenceObjectByHandle(DisplayHandle,
- FILE_READ_DATA | FILE_WRITE_DATA,
- IoFileObjectType,
- KernelMode,
- (PVOID *)&VideoFileObject,
- NULL);
- ZwClose(DisplayHandle);
- }
-
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Unable to connect to miniport (Status %lx)\n", Status);
- DPRINT1("Perhaps the miniport wasn't loaded?\n");
- return(NULL);
- }
-
- return VideoFileObject;
-}
-
-
-BOOL DRIVER_UnregisterDriver(LPCWSTR Name)
-{
- PGRAPHICS_DRIVER Driver = NULL;
-
- if (Name)
- {
- if (DriverList != NULL)
- {
- if (!_wcsicmp(DriverList->Name, Name))
- {
- Driver = DriverList;
- DriverList = DriverList->Next;
- }
- else
- {
- Driver = DriverList;
- while (Driver->Next && _wcsicmp(Driver->Name, Name))
- {
- Driver = Driver->Next;
- }
- }
- }
- }
- else
- {
- if (GenericDriver != NULL)
- {
- Driver = GenericDriver;
- GenericDriver = NULL;
- }
- }
-
- if (Driver != NULL)
- {
- ExFreePool(Driver->Name);
- ExFreePool(Driver);
-
- return TRUE;
- }
- else
- {
- return FALSE;
- }
-}
-
-INT DRIVER_ReferenceDriver (LPCWSTR Name)
-{
- GRAPHICS_DRIVER *Driver = DriverList;
-
- while (Driver && Name)
- {
- DPRINT( "Comparing %S to %S\n", Driver->Name, Name );
- if (!_wcsicmp( Driver->Name, Name))
- {
- return ++Driver->ReferenceCount;
- }
- Driver = Driver->Next;
- }
- DPRINT( "Driver %S not found to reference, generic count: %d\n", Name, GenericDriver->ReferenceCount );
- assert( GenericDriver != 0 );
- return ++GenericDriver->ReferenceCount;
-}
-
-INT DRIVER_UnreferenceDriver (LPCWSTR Name)
-{
- GRAPHICS_DRIVER *Driver = DriverList;
-
- while (Driver && Name)
- {
- DPRINT( "Comparing %S to %S\n", Driver->Name, Name );
- if (!_wcsicmp( Driver->Name, Name))
- {
- return --Driver->ReferenceCount;
- }
- Driver = Driver->Next;
- }
- DPRINT( "Driver '%S' not found to dereference, generic count: %d\n", Name, GenericDriver->ReferenceCount );
- assert( GenericDriver != 0 );
- return --GenericDriver->ReferenceCount;
-}
-/* EOF */
projects / reactos.git / blobdiff