framebuf.h File Reference

#include <stdarg.h>
#include <windef.h>
#include <wingdi.h>
#include <winddi.h>
#include <winioctl.h>
#include <ntddvdeo.h>

Include dependency graph for framebuf.h:

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Go to the source code of this file.

Classes
struct	_PDEV

Macros
#define	DEVICE_NAME   L"framebuf"
#define	ALLOC_TAG   'FUBF'

Typedefs
typedef struct _PDEV	PDEV
typedef struct _PDEV *	PPDEV

Functions
DHPDEV APIENTRY	DrvEnablePDEV (IN DEVMODEW *pdm, IN LPWSTR pwszLogAddress, IN ULONG cPat, OUT HSURF *phsurfPatterns, IN ULONG cjCaps, OUT ULONG *pdevcaps, IN ULONG cjDevInfo, OUT DEVINFO *pdi, IN HDEV hdev, IN LPWSTR pwszDeviceName, IN HANDLE hDriver)
VOID APIENTRY	DrvCompletePDEV (IN DHPDEV dhpdev, IN HDEV hdev)
VOID APIENTRY	DrvDisablePDEV (IN DHPDEV dhpdev)
HSURF APIENTRY	DrvEnableSurface (IN DHPDEV dhpdev)
VOID APIENTRY	DrvDisableSurface (IN DHPDEV dhpdev)
BOOL APIENTRY	DrvAssertMode (IN DHPDEV dhpdev, IN BOOL bEnable)
ULONG APIENTRY	DrvGetModes (IN HANDLE hDriver, IN ULONG cjSize, OUT DEVMODEW *pdm)
BOOL APIENTRY	DrvSetPalette (IN DHPDEV dhpdev, IN PALOBJ *ppalo, IN FLONG fl, IN ULONG iStart, IN ULONG cColors)
ULONG APIENTRY	DrvSetPointerShape (IN SURFOBJ *pso, IN SURFOBJ *psoMask, IN SURFOBJ *psoColor, IN XLATEOBJ *pxlo, IN LONG xHot, IN LONG yHot, IN LONG x, IN LONG y, IN RECTL *prcl, IN FLONG fl)
VOID APIENTRY	DrvMovePointer (IN SURFOBJ *pso, IN LONG x, IN LONG y, IN RECTL *prcl)
BOOL	IntInitScreenInfo (PPDEV ppdev, LPDEVMODEW pDevMode, PGDIINFO pGdiInfo, PDEVINFO pDevInfo)
BOOL	IntInitDefaultPalette (PPDEV ppdev, PDEVINFO pDevInfo)
BOOL APIENTRY	IntSetPalette (IN DHPDEV dhpdev, IN PPALETTEENTRY ppalent, IN ULONG iStart, IN ULONG cColors)

Macro Definition Documentation

ALLOC_TAG

#define ALLOC_TAG   'FUBF'

Definition at line 71 of file framebuf.h.

DEVICE_NAME

#define DEVICE_NAME   L"framebuf"

Definition at line 70 of file framebuf.h.

Typedef Documentation

PDEV

typedef struct _PDEV PDEV

PPDEV

typedef struct _PDEV * PPDEV

Function Documentation

DrvAssertMode()

BOOL APIENTRY DrvAssertMode	(	IN DHPDEV	dhpdev,
		IN BOOL	bEnable
	)

Definition at line 168 of file surface.c.

{
   PPDEV ppdev = (PPDEV)dhpdev;
   ULONG ulTemp;

   if (bEnable)
   {
      /*
       * Reinitialize the device to a clean state.
       */
      if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_SET_CURRENT_MODE,
                             &(ppdev->ModeIndex), sizeof(ULONG), NULL, 0,
                             &ulTemp))
      {
          /* We failed, bail out */
          return FALSE;
      }
      if (ppdev->BitsPerPixel == 8)
      {
         IntSetPalette(dhpdev, ppdev->PaletteEntries, 0, 256);
      }

      return TRUE;
   }
   else
   {
      /*
       * Call the miniport driver to reset the device to a known state.
       */
      return !EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_RESET_DEVICE,
                                 NULL, 0, NULL, 0, &ulTemp);
   }
}

DrvCompletePDEV()

VOID APIENTRY DrvCompletePDEV	(	IN DHPDEV	dhpdev,
		IN HDEV	hdev
	)

Definition at line 132 of file enable.c.

{
   ((PPDEV)dhpdev)->hDevEng = hdev;
}

DrvDisablePDEV()

VOID APIENTRY DrvDisablePDEV

(

IN DHPDEV

dhpdev

)

Definition at line 150 of file enable.c.

{
   if (((PPDEV)dhpdev)->DefaultPalette)
   {
      EngDeletePalette(((PPDEV)dhpdev)->DefaultPalette);
   }

   if (((PPDEV)dhpdev)->PaletteEntries != NULL)
   {
      EngFreeMem(((PPDEV)dhpdev)->PaletteEntries);
   }

   EngFreeMem(dhpdev);
}

DrvDisableSurface()

VOID APIENTRY DrvDisableSurface

(

IN DHPDEV

dhpdev

)

Definition at line 133 of file surface.c.

{
   DWORD ulTemp;
   VIDEO_MEMORY VideoMemory;
   PPDEV ppdev = (PPDEV)dhpdev;

   EngDeleteSurface(ppdev->hSurfEng);
   ppdev->hSurfEng = NULL;

#ifdef EXPERIMENTAL_MOUSE_CURSOR_SUPPORT
   /* Clear all mouse pointer surfaces. */
   DrvSetPointerShape(NULL, NULL, NULL, NULL, 0, 0, 0, 0, NULL, 0);
#endif

   /*
    * Unmap the framebuffer.
    */

   VideoMemory.RequestedVirtualAddress = ((PPDEV)dhpdev)->ScreenPtr;
   EngDeviceIoControl(((PPDEV)dhpdev)->hDriver, IOCTL_VIDEO_UNMAP_VIDEO_MEMORY,
                      &VideoMemory, sizeof(VIDEO_MEMORY), NULL, 0, &ulTemp);
}

DrvEnablePDEV()

DHPDEV APIENTRY DrvEnablePDEV	(	IN DEVMODEW *	pdm,
		IN LPWSTR	pwszLogAddress,
		IN ULONG	cPat,
		OUT HSURF *	phsurfPatterns,
		IN ULONG	cjCaps,
		OUT ULONG *	pdevcaps,
		IN ULONG	cjDevInfo,
		OUT DEVINFO *	pdi,
		IN HDEV	hdev,
		IN LPWSTR	pwszDeviceName,
		IN HANDLE	hDriver
	)

Definition at line 78 of file enable.c.

{
   PPDEV ppdev;
   GDIINFO GdiInfo;
   DEVINFO DevInfo;

   ppdev = EngAllocMem(FL_ZERO_MEMORY, sizeof(PDEV), ALLOC_TAG);
   if (ppdev == NULL)
   {
      return NULL;
   }

   ppdev->hDriver = hDriver;

   if (!IntInitScreenInfo(ppdev, pdm, &GdiInfo, &DevInfo))
   {
      EngFreeMem(ppdev);
      return NULL;
   }

   if (!IntInitDefaultPalette(ppdev, &DevInfo))
   {
      EngFreeMem(ppdev);
      return NULL;
   }

   memcpy(pdi, &DevInfo, min(sizeof(DEVINFO), cjDevInfo));
   memcpy(pdevcaps, &GdiInfo, min(sizeof(GDIINFO), cjCaps));

   return (DHPDEV)ppdev;
}

DrvEnableSurface()

HSURF APIENTRY DrvEnableSurface

(

IN DHPDEV

dhpdev

)

Definition at line 34 of file surface.c.

{
   PPDEV ppdev = (PPDEV)dhpdev;
   HSURF hSurface;
   ULONG BitmapType;
   SIZEL ScreenSize;
   VIDEO_MEMORY VideoMemory;
   VIDEO_MEMORY_INFORMATION VideoMemoryInfo;
   ULONG ulTemp;

   /*
    * Set video mode of our adapter.
    */

   if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_SET_CURRENT_MODE,
                          &(ppdev->ModeIndex), sizeof(ULONG), NULL, 0,
                          &ulTemp))
   {
      return NULL;
   }

   /*
    * Map the framebuffer into our memory.
    */

   VideoMemory.RequestedVirtualAddress = NULL;
   if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_MAP_VIDEO_MEMORY,
                          &VideoMemory, sizeof(VIDEO_MEMORY),
                          &VideoMemoryInfo, sizeof(VIDEO_MEMORY_INFORMATION),
                          &ulTemp))
   {
      return NULL;
   }

   ppdev->ScreenPtr = VideoMemoryInfo.FrameBufferBase;

   switch (ppdev->BitsPerPixel)
   {
      case 8:
         IntSetPalette(dhpdev, ppdev->PaletteEntries, 0, 256);
         BitmapType = BMF_8BPP;
         break;

      case 16:
         BitmapType = BMF_16BPP;
         break;

      case 24:
         BitmapType = BMF_24BPP;
         break;

      case 32:
         BitmapType = BMF_32BPP;
         break;

      default:
         return NULL;
   }

   ppdev->iDitherFormat = BitmapType;

   ScreenSize.cx = ppdev->ScreenWidth;
   ScreenSize.cy = ppdev->ScreenHeight;

   hSurface = (HSURF)EngCreateBitmap(ScreenSize, ppdev->ScreenDelta, BitmapType,
                                     (ppdev->ScreenDelta > 0) ? BMF_TOPDOWN : 0,
                                     ppdev->ScreenPtr);
   if (hSurface == NULL)
   {
      return NULL;
   }

   /*
    * Associate the surface with our device.
    */

   if (!EngAssociateSurface(hSurface, ppdev->hDevEng, 0))
   {
      EngDeleteSurface(hSurface);
      return NULL;
   }

   ppdev->hSurfEng = hSurface;

   return hSurface;
}

DrvGetModes()

ULONG APIENTRY DrvGetModes	(	IN HANDLE	hDriver,
		IN ULONG	cjSize,
		OUT DEVMODEW *	pdm
	)

Definition at line 362 of file screen.c.

{
   ULONG ModeCount;
   ULONG ModeInfoSize;
   PVIDEO_MODE_INFORMATION ModeInfo, ModeInfoPtr;
   ULONG OutputSize;

   ModeCount = GetAvailableModes(hDriver, &ModeInfo, &ModeInfoSize);
   if (ModeCount == 0)
   {
      return 0;
   }

   if (pdm == NULL)
   {
      EngFreeMem(ModeInfo);
      return ModeCount * sizeof(DEVMODEW);
   }

   /*
    * Copy the information about supported modes into the output buffer.
    */

   OutputSize = 0;
   ModeInfoPtr = ModeInfo;

   while (ModeCount-- > 0)
   {
      if (ModeInfoPtr->Length == 0)
      {
         ModeInfoPtr = (PVIDEO_MODE_INFORMATION)(((ULONG_PTR)ModeInfoPtr) + ModeInfoSize);
         continue;
      }

      memset(pdm, 0, sizeof(DEVMODEW));
      memcpy(pdm->dmDeviceName, DEVICE_NAME, sizeof(DEVICE_NAME));
      pdm->dmSpecVersion =
      pdm->dmDriverVersion = DM_SPECVERSION;
      pdm->dmSize = sizeof(DEVMODEW);
      pdm->dmDriverExtra = 0;
      pdm->dmBitsPerPel = ModeInfoPtr->NumberOfPlanes * ModeInfoPtr->BitsPerPlane;
      pdm->dmPelsWidth = ModeInfoPtr->VisScreenWidth;
      pdm->dmPelsHeight = ModeInfoPtr->VisScreenHeight;
      pdm->dmDisplayFrequency = ModeInfoPtr->Frequency;
      pdm->dmDisplayFlags = 0;
      pdm->dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT |
                      DM_DISPLAYFREQUENCY | DM_DISPLAYFLAGS;

      ModeInfoPtr = (PVIDEO_MODE_INFORMATION)(((ULONG_PTR)ModeInfoPtr) + ModeInfoSize);
      pdm = (LPDEVMODEW)(((ULONG_PTR)pdm) + sizeof(DEVMODEW));
      OutputSize += sizeof(DEVMODEW);
   }

   EngFreeMem(ModeInfo);
   return OutputSize;
}

DrvMovePointer()

VOID APIENTRY DrvMovePointer	(	IN SURFOBJ *	pso,
		IN LONG	x,
		IN LONG	y,
		IN RECTL *	prcl
	)

Definition at line 62 of file pointer.c.

{
   EngMovePointer(pso, x, y, prcl);
}

DrvSetPalette()

BOOL APIENTRY DrvSetPalette	(	IN DHPDEV	dhpdev,
		IN PALOBJ *	ppalo,
		IN FLONG	fl,
		IN ULONG	iStart,
		IN ULONG	cColors
	)

Definition at line 170 of file palette.c.

{
   PPALETTEENTRY PaletteEntries;
   BOOL bRet;

   if (cColors == 0)
       return FALSE;

   PaletteEntries = EngAllocMem(0, cColors * sizeof(ULONG), ALLOC_TAG);
   if (PaletteEntries == NULL)
   {
      return FALSE;
   }

   if (PALOBJ_cGetColors(ppalo, iStart, cColors, (PULONG)PaletteEntries) !=
       cColors)
   {
      EngFreeMem(PaletteEntries);
      return FALSE;
   }

   bRet = IntSetPalette(dhpdev, PaletteEntries, iStart, cColors);
   EngFreeMem(PaletteEntries);
   return bRet;
}

DrvSetPointerShape()

ULONG APIENTRY DrvSetPointerShape	(	IN SURFOBJ *	pso,
		IN SURFOBJ *	psoMask,
		IN SURFOBJ *	psoColor,
		IN XLATEOBJ *	pxlo,
		IN LONG	xHot,
		IN LONG	yHot,
		IN LONG	x,
		IN LONG	y,
		IN RECTL *	prcl,
		IN FLONG	fl
	)

Definition at line 35 of file pointer.c.

{
/*   return SPS_DECLINE;*/
   return EngSetPointerShape(pso, psoMask, psoColor, pxlo, xHot, yHot, x, y, prcl, fl);
}

IntInitDefaultPalette()

BOOL IntInitDefaultPalette	(	PPDEV	ppdev,
		PDEVINFO	pDevInfo
	)

Definition at line 60 of file palette.c.

{
   ULONG ColorLoop;
   PPALETTEENTRY PaletteEntryPtr;

   if (ppdev->BitsPerPixel > 8)
   {
      ppdev->DefaultPalette = pDevInfo->hpalDefault =
         EngCreatePalette(PAL_BITFIELDS, 0, NULL,
            ppdev->RedMask, ppdev->GreenMask, ppdev->BlueMask);
   }
   else
   {
      ppdev->PaletteEntries = EngAllocMem(0, sizeof(PALETTEENTRY) << 8, ALLOC_TAG);
      if (ppdev->PaletteEntries == NULL)
      {
         return FALSE;
      }

      for (ColorLoop = 256, PaletteEntryPtr = ppdev->PaletteEntries;
           ColorLoop != 0;
           ColorLoop--, PaletteEntryPtr++)
      {
         PaletteEntryPtr->peRed = ((ColorLoop >> 5) & 7) * 255 / 7;
         PaletteEntryPtr->peGreen = ((ColorLoop >> 3) & 3) * 255 / 3;
         PaletteEntryPtr->peBlue = (ColorLoop & 7) * 255 / 7;
         PaletteEntryPtr->peFlags = 0;
      }

      memcpy(ppdev->PaletteEntries, BASEPALETTE, 10 * sizeof(PALETTEENTRY));
      memcpy(ppdev->PaletteEntries + 246, BASEPALETTE + 10, 10 * sizeof(PALETTEENTRY));

      ppdev->DefaultPalette = pDevInfo->hpalDefault =
         EngCreatePalette(PAL_INDEXED, 256, (PULONG)ppdev->PaletteEntries, 0, 0, 0);
    }

    return ppdev->DefaultPalette != NULL;
}

Referenced by DrvEnablePDEV().

IntInitScreenInfo()

BOOL IntInitScreenInfo	(	PPDEV	ppdev,
		LPDEVMODEW	pDevMode,
		PGDIINFO	pGdiInfo,
		PDEVINFO	pDevInfo
	)

Definition at line 120 of file screen.c.

{
   ULONG ModeCount;
   ULONG ModeInfoSize;
   PVIDEO_MODE_INFORMATION ModeInfo, ModeInfoPtr, SelectedMode = NULL;
   VIDEO_COLOR_CAPABILITIES ColorCapabilities;
   ULONG Temp;

   /*
    * Call miniport to get information about video modes.
    */

   ModeCount = GetAvailableModes(ppdev->hDriver, &ModeInfo, &ModeInfoSize);
   if (ModeCount == 0)
   {
      return FALSE;
   }

   /*
    * Select the video mode depending on the info passed in pDevMode.
    */

   if (pDevMode->dmPelsWidth == 0 && pDevMode->dmPelsHeight == 0 &&
       pDevMode->dmBitsPerPel == 0 && pDevMode->dmDisplayFrequency == 0)
   {
      ModeInfoPtr = ModeInfo;
      while (ModeCount-- > 0)
      {
         if (ModeInfoPtr->Length == 0)
         {
            ModeInfoPtr = (PVIDEO_MODE_INFORMATION)
               (((PUCHAR)ModeInfoPtr) + ModeInfoSize);
            continue;
         }
         SelectedMode = ModeInfoPtr;
         break;
      }
   }
   else
   {
      ModeInfoPtr = ModeInfo;
      while (ModeCount-- > 0)
      {
         if (ModeInfoPtr->Length > 0 &&
             pDevMode->dmPelsWidth == ModeInfoPtr->VisScreenWidth &&
             pDevMode->dmPelsHeight == ModeInfoPtr->VisScreenHeight &&
             pDevMode->dmBitsPerPel == (ModeInfoPtr->BitsPerPlane *
                                        ModeInfoPtr->NumberOfPlanes) &&
             pDevMode->dmDisplayFrequency == ModeInfoPtr->Frequency)
         {
            SelectedMode = ModeInfoPtr;
            break;
         }

         ModeInfoPtr = (PVIDEO_MODE_INFORMATION)
            (((PUCHAR)ModeInfoPtr) + ModeInfoSize);
      }
   }

   if (SelectedMode == NULL)
   {
      EngFreeMem(ModeInfo);
      return FALSE;
   }

   /*
    * Fill in the GDIINFO data structure with the information returned from
    * the kernel driver.
    */

   ppdev->ModeIndex = SelectedMode->ModeIndex;
   ppdev->ScreenWidth = SelectedMode->VisScreenWidth;
   ppdev->ScreenHeight = SelectedMode->VisScreenHeight;
   ppdev->ScreenDelta = SelectedMode->ScreenStride;
   ppdev->BitsPerPixel = (UCHAR)(SelectedMode->BitsPerPlane * SelectedMode->NumberOfPlanes);

   ppdev->MemWidth = SelectedMode->VideoMemoryBitmapWidth;
   ppdev->MemHeight = SelectedMode->VideoMemoryBitmapHeight;

   ppdev->RedMask = SelectedMode->RedMask;
   ppdev->GreenMask = SelectedMode->GreenMask;
   ppdev->BlueMask = SelectedMode->BlueMask;

   pGdiInfo->ulVersion = GDI_DRIVER_VERSION;
   pGdiInfo->ulTechnology = DT_RASDISPLAY;
   pGdiInfo->ulHorzSize = SelectedMode->XMillimeter;
   pGdiInfo->ulVertSize = SelectedMode->YMillimeter;
   pGdiInfo->ulHorzRes = SelectedMode->VisScreenWidth;
   pGdiInfo->ulVertRes = SelectedMode->VisScreenHeight;
   pGdiInfo->ulPanningHorzRes = SelectedMode->VisScreenWidth;
   pGdiInfo->ulPanningVertRes = SelectedMode->VisScreenHeight;
   pGdiInfo->cBitsPixel = SelectedMode->BitsPerPlane;
   pGdiInfo->cPlanes = SelectedMode->NumberOfPlanes;
   pGdiInfo->ulVRefresh = SelectedMode->Frequency;
   pGdiInfo->ulBltAlignment = 1;
   pGdiInfo->ulLogPixelsX = pDevMode->dmLogPixels;
   pGdiInfo->ulLogPixelsY = pDevMode->dmLogPixels;
   pGdiInfo->flTextCaps = TC_RA_ABLE;
   pGdiInfo->flRaster = 0;
   pGdiInfo->ulDACRed = SelectedMode->NumberRedBits;
   pGdiInfo->ulDACGreen = SelectedMode->NumberGreenBits;
   pGdiInfo->ulDACBlue = SelectedMode->NumberBlueBits;
   pGdiInfo->ulAspectX = 0x24;
   pGdiInfo->ulAspectY = 0x24;
   pGdiInfo->ulAspectXY = 0x33;
   pGdiInfo->xStyleStep = 1;
   pGdiInfo->yStyleStep = 1;
   pGdiInfo->denStyleStep = 3;
   pGdiInfo->ptlPhysOffset.x = 0;
   pGdiInfo->ptlPhysOffset.y = 0;
   pGdiInfo->szlPhysSize.cx = 0;
   pGdiInfo->szlPhysSize.cy = 0;

   /*
    * Try to get the color info from the miniport.
    */

   if (!EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_QUERY_COLOR_CAPABILITIES,
                           NULL, 0, &ColorCapabilities,
                           sizeof(VIDEO_COLOR_CAPABILITIES), &Temp))
   {
      pGdiInfo->ciDevice.Red.x = ColorCapabilities.RedChromaticity_x;
      pGdiInfo->ciDevice.Red.y = ColorCapabilities.RedChromaticity_y;
      pGdiInfo->ciDevice.Green.x = ColorCapabilities.GreenChromaticity_x;
      pGdiInfo->ciDevice.Green.y = ColorCapabilities.GreenChromaticity_y;
      pGdiInfo->ciDevice.Blue.x = ColorCapabilities.BlueChromaticity_x;
      pGdiInfo->ciDevice.Blue.y = ColorCapabilities.BlueChromaticity_y;
      pGdiInfo->ciDevice.AlignmentWhite.x = ColorCapabilities.WhiteChromaticity_x;
      pGdiInfo->ciDevice.AlignmentWhite.y = ColorCapabilities.WhiteChromaticity_y;
      pGdiInfo->ciDevice.AlignmentWhite.Y = ColorCapabilities.WhiteChromaticity_Y;
      if (ColorCapabilities.AttributeFlags & VIDEO_DEVICE_COLOR)
      {
         pGdiInfo->ciDevice.RedGamma = ColorCapabilities.RedGamma;
         pGdiInfo->ciDevice.GreenGamma = ColorCapabilities.GreenGamma;
         pGdiInfo->ciDevice.BlueGamma = ColorCapabilities.BlueGamma;
      }
      else
      {
         pGdiInfo->ciDevice.RedGamma = ColorCapabilities.WhiteGamma;
         pGdiInfo->ciDevice.GreenGamma = ColorCapabilities.WhiteGamma;
         pGdiInfo->ciDevice.BlueGamma = ColorCapabilities.WhiteGamma;
      }
   }
   else
   {
      pGdiInfo->ciDevice.Red.x = 6700;
      pGdiInfo->ciDevice.Red.y = 3300;
      pGdiInfo->ciDevice.Green.x = 2100;
      pGdiInfo->ciDevice.Green.y = 7100;
      pGdiInfo->ciDevice.Blue.x = 1400;
      pGdiInfo->ciDevice.Blue.y = 800;
      pGdiInfo->ciDevice.AlignmentWhite.x = 3127;
      pGdiInfo->ciDevice.AlignmentWhite.y = 3290;
      pGdiInfo->ciDevice.AlignmentWhite.Y = 0;
      pGdiInfo->ciDevice.RedGamma = 20000;
      pGdiInfo->ciDevice.GreenGamma = 20000;
      pGdiInfo->ciDevice.BlueGamma = 20000;
   }

   pGdiInfo->ciDevice.Red.Y = 0;
   pGdiInfo->ciDevice.Green.Y = 0;
   pGdiInfo->ciDevice.Blue.Y = 0;
   pGdiInfo->ciDevice.Cyan.x = 0;
   pGdiInfo->ciDevice.Cyan.y = 0;
   pGdiInfo->ciDevice.Cyan.Y = 0;
   pGdiInfo->ciDevice.Magenta.x = 0;
   pGdiInfo->ciDevice.Magenta.y = 0;
   pGdiInfo->ciDevice.Magenta.Y = 0;
   pGdiInfo->ciDevice.Yellow.x = 0;
   pGdiInfo->ciDevice.Yellow.y = 0;
   pGdiInfo->ciDevice.Yellow.Y = 0;
   pGdiInfo->ciDevice.MagentaInCyanDye = 0;
   pGdiInfo->ciDevice.YellowInCyanDye = 0;
   pGdiInfo->ciDevice.CyanInMagentaDye = 0;
   pGdiInfo->ciDevice.YellowInMagentaDye = 0;
   pGdiInfo->ciDevice.CyanInYellowDye = 0;
   pGdiInfo->ciDevice.MagentaInYellowDye = 0;
   pGdiInfo->ulDevicePelsDPI = 0;
   pGdiInfo->ulPrimaryOrder = PRIMARY_ORDER_CBA;
   pGdiInfo->ulHTPatternSize = HT_PATSIZE_4x4_M;
   pGdiInfo->flHTFlags = HT_FLAG_ADDITIVE_PRIMS;

   pDevInfo->flGraphicsCaps = 0;
   pDevInfo->lfDefaultFont = SystemFont;
   pDevInfo->lfAnsiVarFont = AnsiVariableFont;
   pDevInfo->lfAnsiFixFont = AnsiFixedFont;
   pDevInfo->cFonts = 0;
   pDevInfo->cxDither = 0;
   pDevInfo->cyDither = 0;
   pDevInfo->hpalDefault = 0;
   pDevInfo->flGraphicsCaps2 = 0;

   if (ppdev->BitsPerPixel == 8)
   {
      pGdiInfo->ulNumColors = 20;
      pGdiInfo->ulNumPalReg = 1 << ppdev->BitsPerPixel;
      pGdiInfo->ulHTOutputFormat = HT_FORMAT_8BPP;
      pDevInfo->flGraphicsCaps |= GCAPS_PALMANAGED;
      pDevInfo->iDitherFormat = BMF_8BPP;
      /* Assuming palette is orthogonal - all colors are same size. */
      ppdev->PaletteShift = (UCHAR)(8 - pGdiInfo->ulDACRed);
   }
   else
   {
      pGdiInfo->ulNumColors = (ULONG)(-1);
      pGdiInfo->ulNumPalReg = 0;
      switch (ppdev->BitsPerPixel)
      {
         case 16:
            pGdiInfo->ulHTOutputFormat = HT_FORMAT_16BPP;
            pDevInfo->iDitherFormat = BMF_16BPP;
            break;

         case 24:
            pGdiInfo->ulHTOutputFormat = HT_FORMAT_24BPP;
            pDevInfo->iDitherFormat = BMF_24BPP;
            break;

         default:
            pGdiInfo->ulHTOutputFormat = HT_FORMAT_32BPP;
            pDevInfo->iDitherFormat = BMF_32BPP;
      }
   }

   EngFreeMem(ModeInfo);
   return TRUE;
}

Referenced by DrvEnablePDEV().

IntSetPalette()

BOOL APIENTRY IntSetPalette	(	IN DHPDEV	dhpdev,
		IN PPALETTEENTRY	ppalent,
		IN ULONG	iStart,
		IN ULONG	cColors
	)

Definition at line 110 of file palette.c.

{
   PVIDEO_CLUT pClut;
   ULONG ClutSize;

   ClutSize = sizeof(VIDEO_CLUT) + (cColors * sizeof(ULONG));
   pClut = EngAllocMem(0, ClutSize, ALLOC_TAG);
   pClut->FirstEntry = iStart;
   pClut->NumEntries = cColors;
   memcpy(&pClut->LookupTable[0].RgbLong, ppalent, sizeof(ULONG) * cColors);

   if (((PPDEV)dhpdev)->PaletteShift)
   {
      while (cColors--)
      {
         pClut->LookupTable[cColors].RgbArray.Red >>= ((PPDEV)dhpdev)->PaletteShift;
         pClut->LookupTable[cColors].RgbArray.Green >>= ((PPDEV)dhpdev)->PaletteShift;
         pClut->LookupTable[cColors].RgbArray.Blue >>= ((PPDEV)dhpdev)->PaletteShift;
         pClut->LookupTable[cColors].RgbArray.Unused = 0;
      }
   }
   else
   {
      while (cColors--)
      {
         pClut->LookupTable[cColors].RgbArray.Unused = 0;
      }
   }

   /*
    * Set the palette registers.
    */

   if (EngDeviceIoControl(((PPDEV)dhpdev)->hDriver, IOCTL_VIDEO_SET_COLOR_REGISTERS,
                          pClut, ClutSize, NULL, 0, &cColors))
   {
      EngFreeMem(pClut);
      return FALSE;
   }

   EngFreeMem(pClut);
   return TRUE;
}

Referenced by DrvAssertMode(), and DrvEnableSurface().