reactos/subsys/win32k/misc/driver.c

   1 /* $Id: driver.c,v 1.21 2002/09/07 15:13:11 chorns Exp $
   2  *
   3  * GDI Driver support routines
   4  * (mostly swiped from Wine)
   5  *
   6  */
   7
   8 #undef WIN32_LEAN_AND_MEAN
   9 #define WIN32_NO_PEHDR
  10
  11 #define NTOS_KERNEL_MODE
  12 #include <ntos.h>
  13 #include <windows.h>
  14 #include <ddk/winddi.h>
  15 #include <ddk/ntddvdeo.h>
  16 #include <win32k/driver.h>
  17 #include <wchar.h>
  18
  19 #define NDEBUG
  20 #include <debug.h>
  21
  22 typedef struct _GRAPHICS_DRIVER
  23 {
  24   PWSTR  Name;
  25   PGD_ENABLEDRIVER  EnableDriver;
  26   int  ReferenceCount;
  27   struct _GRAPHICS_DRIVER  *Next;
  28 } GRAPHICS_DRIVER, *PGRAPHICS_DRIVER;
  29
  30 static PGRAPHICS_DRIVER  DriverList;
  31 static PGRAPHICS_DRIVER  GenericDriver = 0;
  32
  33 BOOL  DRIVER_RegisterDriver(LPCWSTR  Name, PGD_ENABLEDRIVER  EnableDriver)
  34 {
  35   PGRAPHICS_DRIVER  Driver = ExAllocatePool(NonPagedPool, sizeof(*Driver));
  36   DPRINT( "DRIVER_RegisterDriver( Name: %S )\n", Name );
  37   if (!Driver)  return  FALSE;
  38   Driver->ReferenceCount = 0;
  39   Driver->EnableDriver = EnableDriver;
  40   if (Name)
  41   {
  42     Driver->Name = ExAllocatePool(PagedPool, (wcslen(Name) + 1) * sizeof(WCHAR));
  43     wcscpy(Driver->Name, Name);
  44     Driver->Next  = DriverList;
  45     DriverList = Driver;
  46     return  TRUE;
  47   }
  48
  49   if (GenericDriver != NULL)
  50   {
  51     ExFreePool(Driver);
  52     return  FALSE;
  53   }
  54
  55   GenericDriver = Driver;
  56   return  TRUE;
  57 }
  58
  59 PGD_ENABLEDRIVER  DRIVER_FindDDIDriver(LPCWSTR  Name)
  60 {
  61   SYSTEM_LOAD_IMAGE GdiDriverInfo;
  62   GRAPHICS_DRIVER *Driver = DriverList;
  63   NTSTATUS Status;
  64
  65   /* First see if the driver hasn't already been loaded */
  66   while (Driver && Name)
  67   {
  68     if (!_wcsicmp( Driver->Name, Name))
  69     {
  70       return Driver->EnableDriver;
  71     }
  72     Driver = Driver->Next;
  73   }
  74
  75   /* If not, then load it */
  76   RtlInitUnicodeString (&GdiDriverInfo.ModuleName, (LPWSTR)Name);
  77   Status = ZwSetSystemInformation (SystemLoadImage, &GdiDriverInfo, sizeof(SYSTEM_LOAD_IMAGE));
  78   if (!NT_SUCCESS(Status)) return NULL;
  79
  80   DRIVER_RegisterDriver( L"DISPLAY", GdiDriverInfo.EntryPoint);
  81   return (PGD_ENABLEDRIVER)GdiDriverInfo.EntryPoint;
  82 }
  83
  84 BOOL  DRIVER_BuildDDIFunctions(PDRVENABLEDATA  DED,
  85                                PDRIVER_FUNCTIONS  DF)
  86 {
  87   int i;
  88
  89   for (i=0; i<DED->c; i++)
  90   {
  91     if(DED->pdrvfn[i].iFunc == INDEX_DrvEnablePDEV)      DF->EnablePDev = (PGD_ENABLEPDEV)DED->pdrvfn[i].pfn;
  92     if(DED->pdrvfn[i].iFunc == INDEX_DrvCompletePDEV)    DF->CompletePDev = (PGD_COMPLETEPDEV)DED->pdrvfn[i].pfn;
  93     if(DED->pdrvfn[i].iFunc == INDEX_DrvDisablePDEV)     DF->DisablePDev = (PGD_DISABLEPDEV)DED->pdrvfn[i].pfn;
  94     if(DED->pdrvfn[i].iFunc == INDEX_DrvEnableSurface)   DF->EnableSurface = (PGD_ENABLESURFACE)DED->pdrvfn[i].pfn;
  95     if(DED->pdrvfn[i].iFunc == INDEX_DrvDisableSurface)  DF->DisableSurface = (PGD_DISABLESURFACE)DED->pdrvfn[i].pfn;
  96     if(DED->pdrvfn[i].iFunc == INDEX_DrvAssertMode)      DF->AssertMode = (PGD_ASSERTMODE)DED->pdrvfn[i].pfn;
  97     if(DED->pdrvfn[i].iFunc == INDEX_DrvResetPDEV)       DF->ResetPDev = (PGD_RESETPDEV)DED->pdrvfn[i].pfn;
  98     if(DED->pdrvfn[i].iFunc == INDEX_DrvCreateDeviceBitmap)
  99       DF->CreateDeviceBitmap = (PGD_CREATEDEVICEBITMAP)DED->pdrvfn[i].pfn;
 100     if(DED->pdrvfn[i].iFunc == INDEX_DrvDeleteDeviceBitmap)
 101       DF->DeleteDeviceBitmap = (PGD_DELETEDEVICEBITMAP)DED->pdrvfn[i].pfn;
 102     if(DED->pdrvfn[i].iFunc == INDEX_DrvRealizeBrush)    DF->RealizeBrush = (PGD_REALIZEBRUSH)DED->pdrvfn[i].pfn;
 103     if(DED->pdrvfn[i].iFunc == INDEX_DrvDitherColor)     DF->DitherColor = (PGD_DITHERCOLOR)DED->pdrvfn[i].pfn;
 104     if(DED->pdrvfn[i].iFunc == INDEX_DrvStrokePath)      DF->StrokePath = (PGD_STROKEPATH)DED->pdrvfn[i].pfn;
 105     if(DED->pdrvfn[i].iFunc == INDEX_DrvFillPath)        DF->FillPath = (PGD_FILLPATH)DED->pdrvfn[i].pfn;
 106     if(DED->pdrvfn[i].iFunc == INDEX_DrvStrokeAndFillPath)
 107       DF->StrokeAndFillPath = (PGD_STROKEANDFILLPATH)DED->pdrvfn[i].pfn;
 108     if(DED->pdrvfn[i].iFunc == INDEX_DrvPaint)           DF->Paint = (PGD_PAINT)DED->pdrvfn[i].pfn;
 109     if(DED->pdrvfn[i].iFunc == INDEX_DrvBitBlt)          DF->BitBlt = (PGD_BITBLT)DED->pdrvfn[i].pfn;
 110     if(DED->pdrvfn[i].iFunc == INDEX_DrvTransparentBlt)  DF->TransparentBlt = (PGD_TRANSPARENTBLT)DED->pdrvfn[i].pfn;
 111     if(DED->pdrvfn[i].iFunc == INDEX_DrvCopyBits)        DF->CopyBits = (PGD_COPYBITS)DED->pdrvfn[i].pfn;
 112     if(DED->pdrvfn[i].iFunc == INDEX_DrvStretchBlt)      DF->StretchBlt = (PGD_STRETCHBLT)DED->pdrvfn[i].pfn;
 113     if(DED->pdrvfn[i].iFunc == INDEX_DrvSetPalette)      DF->SetPalette = (PGD_SETPALETTE)DED->pdrvfn[i].pfn;
 114     if(DED->pdrvfn[i].iFunc == INDEX_DrvTextOut)         DF->TextOut = (PGD_TEXTOUT)DED->pdrvfn[i].pfn;
 115     if(DED->pdrvfn[i].iFunc == INDEX_DrvEscape)          DF->Escape = (PGD_ESCAPE)DED->pdrvfn[i].pfn;
 116     if(DED->pdrvfn[i].iFunc == INDEX_DrvDrawEscape)      DF->DrawEscape = (PGD_DRAWESCAPE)DED->pdrvfn[i].pfn;
 117     if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryFont)       DF->QueryFont = (PGD_QUERYFONT)DED->pdrvfn[i].pfn;
 118     if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryFontTree)   DF->QueryFontTree = (PGD_QUERYFONTTREE)DED->pdrvfn[i].pfn;
 119     if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryFontData)   DF->QueryFontData = (PGD_QUERYFONTDATA)DED->pdrvfn[i].pfn;
 120     if(DED->pdrvfn[i].iFunc == INDEX_DrvSetPointerShape) DF->SetPointerShape = (PGD_SETPOINTERSHAPE)DED->pdrvfn[i].pfn;
 121     if(DED->pdrvfn[i].iFunc == INDEX_DrvMovePointer)     DF->MovePointer = (PGD_MOVEPOINTER)DED->pdrvfn[i].pfn;
 122     if(DED->pdrvfn[i].iFunc == INDEX_DrvLineTo)          DF->LineTo = (PGD_LINETO)DED->pdrvfn[i].pfn;
 123     if(DED->pdrvfn[i].iFunc == INDEX_DrvSendPage)        DF->SendPage = (PGD_SENDPAGE)DED->pdrvfn[i].pfn;
 124     if(DED->pdrvfn[i].iFunc == INDEX_DrvStartPage)       DF->StartPage = (PGD_STARTPAGE)DED->pdrvfn[i].pfn;
 125     if(DED->pdrvfn[i].iFunc == INDEX_DrvEndDoc)          DF->EndDoc = (PGD_ENDDOC)DED->pdrvfn[i].pfn;
 126     if(DED->pdrvfn[i].iFunc == INDEX_DrvStartDoc)        DF->StartDoc = (PGD_STARTDOC)DED->pdrvfn[i].pfn;
 127     if(DED->pdrvfn[i].iFunc == INDEX_DrvGetGlyphMode)    DF->GetGlyphMode = (PGD_GETGLYPHMODE)DED->pdrvfn[i].pfn;
 128     if(DED->pdrvfn[i].iFunc == INDEX_DrvSynchronize)     DF->Synchronize = (PGD_SYNCHRONIZE)DED->pdrvfn[i].pfn;
 129     if(DED->pdrvfn[i].iFunc == INDEX_DrvSaveScreenBits)  DF->SaveScreenBits = (PGD_SAVESCREENBITS)DED->pdrvfn[i].pfn;
 130     if(DED->pdrvfn[i].iFunc == INDEX_DrvGetModes)        DF->GetModes = (PGD_GETMODES)DED->pdrvfn[i].pfn;
 131     if(DED->pdrvfn[i].iFunc == INDEX_DrvFree)            DF->Free = (PGD_FREE)DED->pdrvfn[i].pfn;
 132     if(DED->pdrvfn[i].iFunc == INDEX_DrvDestroyFont)     DF->DestroyFont = (PGD_DESTROYFONT)DED->pdrvfn[i].pfn;
 133     if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryFontCaps)   DF->QueryFontCaps = (PGD_QUERYFONTCAPS)DED->pdrvfn[i].pfn;
 134     if(DED->pdrvfn[i].iFunc == INDEX_DrvLoadFontFile)    DF->LoadFontFile = (PGD_LOADFONTFILE)DED->pdrvfn[i].pfn;
 135     if(DED->pdrvfn[i].iFunc == INDEX_DrvUnloadFontFile)  DF->UnloadFontFile = (PGD_UNLOADFONTFILE)DED->pdrvfn[i].pfn;
 136     if(DED->pdrvfn[i].iFunc == INDEX_DrvFontManagement)  DF->FontManagement = (PGD_FONTMANAGEMENT)DED->pdrvfn[i].pfn;
 137     if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryTrueTypeTable)
 138       DF->QueryTrueTypeTable = (PGD_QUERYTRUETYPETABLE)DED->pdrvfn[i].pfn;
 139     if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryTrueTypeOutline)
 140       DF->QueryTrueTypeOutline = (PGD_QUERYTRUETYPEOUTLINE)DED->pdrvfn[i].pfn;
 141     if(DED->pdrvfn[i].iFunc == INDEX_DrvGetTrueTypeFile) DF->GetTrueTypeFile = (PGD_GETTRUETYPEFILE)DED->pdrvfn[i].pfn;
 142     if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryFontFile)   DF->QueryFontFile = (PGD_QUERYFONTFILE)DED->pdrvfn[i].pfn;
 143     if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryAdvanceWidths)
 144       DF->QueryAdvanceWidths = (PGD_QUERYADVANCEWIDTHS)DED->pdrvfn[i].pfn;
 145     if(DED->pdrvfn[i].iFunc == INDEX_DrvSetPixelFormat)  DF->SetPixelFormat = (PGD_SETPIXELFORMAT)DED->pdrvfn[i].pfn;
 146     if(DED->pdrvfn[i].iFunc == INDEX_DrvDescribePixelFormat)
 147       DF->DescribePixelFormat = (PGD_DESCRIBEPIXELFORMAT)DED->pdrvfn[i].pfn;
 148     if(DED->pdrvfn[i].iFunc == INDEX_DrvSwapBuffers)     DF->SwapBuffers = (PGD_SWAPBUFFERS)DED->pdrvfn[i].pfn;
 149     if(DED->pdrvfn[i].iFunc == INDEX_DrvStartBanding)    DF->StartBanding = (PGD_STARTBANDING)DED->pdrvfn[i].pfn;
 150     if(DED->pdrvfn[i].iFunc == INDEX_DrvNextBand)        DF->NextBand = (PGD_NEXTBAND)DED->pdrvfn[i].pfn;
 151 #if 0
 152     if(DED->pdrvfn[i].iFunc == INDEX_DrvGetDirectDrawInfo) DF->GETDIRECTDRAWINFO = (PGD_)DED->pdrvfn[i].pfn;
 153     if(DED->pdrvfn[i].iFunc == INDEX_DrvEnableDirectDraw)  DF->ENABLEDIRECTDRAW = (PGD_)DED->pdrvfn[i].pfn;
 154     if(DED->pdrvfn[i].iFunc == INDEX_DrvDisableDirectDraw) DF->DISABLEDIRECTDRAW = (PGD_)DED->pdrvfn[i].pfn;
 155 #endif
 156     if(DED->pdrvfn[i].iFunc == INDEX_DrvQuerySpoolType)  DF->QuerySpoolType = (PGD_QUERYSPOOLTYPE)DED->pdrvfn[i].pfn;
 157   }
 158
 159   return TRUE;
 160 }
 161
 162 typedef NTSTATUS (*PMP_DRIVERENTRY)(PVOID, PVOID);
 163
 164 HANDLE DRIVER_FindMPDriver(LPCWSTR  Name)
 165 {
 166   OBJECT_ATTRIBUTES ObjectAttributes;
 167   UNICODE_STRING DeviceName;
 168   IO_STATUS_BLOCK Iosb;
 169   HANDLE DisplayHandle;
 170   NTSTATUS Status;
 171
 172   RtlInitUnicodeStringFromLiteral(&DeviceName, L"\\??\\DISPLAY1");
 173   InitializeObjectAttributes(&ObjectAttributes,
 174                              &DeviceName,
 175                              0,
 176                              NULL,
 177                              NULL);
 178   Status = ZwOpenFile(&DisplayHandle,
 179                       FILE_ALL_ACCESS,
 180                       &ObjectAttributes,
 181                       &Iosb,
 182                       0,
 183                       FILE_SYNCHRONOUS_IO_ALERT);
 184   if (!NT_SUCCESS(Status))
 185     {
 186       DPRINT("ZwOpenFile() failed (Status %lx)\n", Status);
 187       return(NULL);
 188     }
 189
 190   return(DisplayHandle);
 191 }
 192
 193
 194 BOOL  DRIVER_UnregisterDriver(LPCWSTR  Name)
 195 {
 196   PGRAPHICS_DRIVER  Driver = NULL;
 197
 198   if (Name)
 199   {
 200     if (DriverList != NULL)
 201     {
 202       if (!_wcsicmp(DriverList->Name, Name))
 203       {
 204         Driver = DriverList;
 205         DriverList = DriverList->Next;
 206       }
 207       else
 208       {
 209         Driver = DriverList;
 210         while (Driver->Next && _wcsicmp(Driver->Name, Name))
 211         {
 212           Driver = Driver->Next;
 213         }
 214       }
 215     }
 216   }
 217   else
 218   {
 219     if (GenericDriver != NULL)
 220     {
 221       Driver = GenericDriver;
 222       GenericDriver = NULL;
 223     }
 224   }
 225
 226   if (Driver != NULL)
 227   {
 228     ExFreePool(Driver->Name);
 229     ExFreePool(Driver);
 230
 231     return  TRUE;
 232   }
 233   else
 234   {
 235     return  FALSE;
 236   }
 237 }
 238
 239 INT  DRIVER_ReferenceDriver (LPCWSTR  Name)
 240 {
 241   GRAPHICS_DRIVER *Driver = DriverList;
 242
 243   while (Driver && Name)
 244   {
 245     DPRINT( "Comparing %S to %S\n", Driver->Name, Name );
 246     if (!_wcsicmp( Driver->Name, Name))
 247     {
 248       return ++Driver->ReferenceCount;
 249     }
 250     Driver = Driver->Next;
 251   }
 252   DPRINT( "Driver %S not found to reference, generic count: %d\n", Name, GenericDriver->ReferenceCount );
 253   assert( GenericDriver != 0 );
 254   return ++GenericDriver->ReferenceCount;
 255 }
 256
 257 INT  DRIVER_UnreferenceDriver (LPCWSTR  Name)
 258 {
 259   GRAPHICS_DRIVER *Driver = DriverList;
 260
 261   while (Driver && Name)
 262   {
 263     DPRINT( "Comparing %S to %S\n", Driver->Name, Name );
 264     if (!_wcsicmp( Driver->Name, Name))
 265     {
 266       return --Driver->ReferenceCount;
 267     }
 268     Driver = Driver->Next;
 269   }
 270   DPRINT( "Driver '%S' not found to dereference, generic count: %d\n", Name, GenericDriver->ReferenceCount );
 271   assert( GenericDriver != 0 );
 272   return --GenericDriver->ReferenceCount;
 273 }