dxeng.c File Reference

#include <win32k.h>
#include <debug.h>

Include dependency graph for dxeng.c:

Go to the source code of this file.

Functions
ULONG APIENTRY	DxEngDispUniq (VOID)
BOOL APIENTRY	DxEngGetDeviceGammaRamp (HDEV hPDev, PGAMMARAMP Ramp)
PDC APIENTRY	DxEngLockDC (HDC hDC)
BOOLEAN APIENTRY	DxEngUnlockDC (PDC pDC)
BOOLEAN APIENTRY	DxEngLockShareSem (VOID)
BOOLEAN APIENTRY	DxEngUnlockShareSem (VOID)
BOOLEAN APIENTRY	DxEngSetDeviceGammaRamp (HDEV hPDev, PGAMMARAMP Ramp, BOOL Test)
DWORD_PTR APIENTRY	DxEngGetHdevData (HDEV hDev, DXEGSHDEVDATA Type)
BOOLEAN APIENTRY	DxEngSetHdevData (HDEV hDev, DXEGSHDEVDATA Type, DWORD_PTR Data)
DWORD_PTR APIENTRY	DxEngGetDCState (HDC hDC, DWORD type)
BOOLEAN APIENTRY	DxEngIncDispUniq (VOID)
BOOLEAN APIENTRY	DxEngLockHdev (HDEV hDev)
BOOLEAN APIENTRY	DxEngUnlockHdev (HDEV hDev)
BOOLEAN APIENTRY	DxEngReferenceHdev (HDEV hDev)
BOOLEAN APIENTRY	DxEngNUIsTermSrv (VOID)
BOOLEAN APIENTRY	DxEngRedrawDesktop (VOID)
ULONG APIENTRY	DxEngVisRgnUniq (VOID)
HDEV *APIENTRY	DxEngEnumerateHdev (HDEV *hdev)
HDC APIENTRY	DxEngCreateMemoryDC (HDEV hDev)
DWORD APIENTRY	DxEngScreenAccessCheck (VOID)
BOOLEAN APIENTRY	DxEngIsHdevLockedByCurrentThread (HDEV hDev)
BOOLEAN APIENTRY	DxEngUnreferenceHdev (HDEV hDev)
HDC APIENTRY	DxEngGetDesktopDC (ULONG DcType, BOOL EmptyDC, BOOL ValidatehWnd)
BOOLEAN APIENTRY	DxEngDeleteDC (HDC hdc, BOOL Force)
BOOLEAN APIENTRY	DxEngCleanDC (HDC hdc)
BOOL APIENTRY	DxEngSetDCOwner (HGDIOBJ hObject, DWORD OwnerMask)
BOOLEAN APIENTRY	DxEngSetDCState (HDC hDC, DWORD SetType, DWORD Set)
HBITMAP APIENTRY	DxEngSelectBitmap (HDC hdc, HBITMAP hbmp)
BOOLEAN APIENTRY	DxEngSetBitmapOwner (HBITMAP hbmp, ULONG ulOwner)
BOOLEAN APIENTRY	DxEngDeleteSurface (HSURF hsurf)
DWORD APIENTRY	DxEngGetSurfaceData (DWORD x1, DWORD x2)
SURFOBJ *APIENTRY	DxEngAltLockSurface (HSURF hsurf)
DWORD APIENTRY	DxEngUploadPaletteEntryToSurface (DWORD x1, DWORD x2, DWORD x3, DWORD x4)
DWORD APIENTRY	DxEngMarkSurfaceAsDirectDraw (DWORD x1, DWORD x2)
DWORD APIENTRY	DxEngSelectPaletteToSurface (DWORD x1, DWORD x2)
DWORD APIENTRY	DxEngSyncPaletteTableWithDevice (DWORD x1, DWORD x2)
DWORD APIENTRY	DxEngSetPaletteState (DWORD x1, DWORD x2, DWORD x3)
DWORD APIENTRY	DxEngGetRedirectionBitmap (DWORD x1)
DWORD APIENTRY	DxEngLoadImage (DWORD x1, DWORD x2)
DWORD APIENTRY	DxEngSpTearDownSprites (DWORD x1, DWORD x2, DWORD x3)
DWORD APIENTRY	DxEngSpUnTearDownSprites (DWORD x1, DWORD x2, DWORD x3)
DWORD APIENTRY	DxEngSpSpritesVisible (DWORD x1)

Variables
HSEMAPHORE	ghsemShareDevLock = NULL
ULONG	gcEngFuncs = DXENG_INDEX_DxEngLoadImage + 1
DRVFN	gaEngFuncs []
ULONG	gulVisRgnUniqueness

Function Documentation

DxEngAltLockSurface()

SURFOBJ *APIENTRY DxEngAltLockSurface

(

HSURF

hsurf

)

Definition at line 800 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngAltLockSurface\n");
 
    return EngLockSurface(hsurf);
}

DxEngCleanDC()

BOOLEAN APIENTRY DxEngCleanDC

(

HDC

hdc

)

Definition at line 717 of file dxeng.c.

{
    return IntGdiCleanDC(hdc);
}

DxEngCreateMemoryDC()

HDC APIENTRY DxEngCreateMemoryDC

(

HDEV

hDev

)

Definition at line 654 of file dxeng.c.

{
    return IntGdiCreateDisplayDC(hDev, DCTYPE_MEMORY, FALSE);
}

DxEngDeleteDC()

BOOLEAN APIENTRY DxEngDeleteDC	(	HDC	hdc,
		BOOL	Force
	)

Definition at line 707 of file dxeng.c.

{
   return IntGdiDeleteDC(hdc, Force);
}

DxEngDeleteSurface()

BOOLEAN APIENTRY DxEngDeleteSurface

(

HSURF

hsurf

)

Definition at line 781 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngDeleteSurface\n");
 
    return EngDeleteSurface(hsurf);
}

DxEngDispUniq()

ULONG APIENTRY DxEngDispUniq

(

VOID

)

Definition at line 80 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngDispUniq\n");
    return GdiHandleTable->flDeviceUniq;
}

DxEngEnumerateHdev()

HDEV *APIENTRY DxEngEnumerateHdev

(

HDEV *

hdev

)

Definition at line 642 of file dxeng.c.

{
    /* FIXME: Enumerate all drivers in win32k */
    UNIMPLEMENTED;
    return FALSE;
}

DxEngGetDCState()

DWORD_PTR APIENTRY DxEngGetDCState	(	HDC	hDC,
		DWORD	type
	)

Definition at line 450 of file dxeng.c.

{
    PDC pDC = DC_LockDc(hDC);
    DWORD_PTR retVal = 0;
 
    DPRINT("ReactX Calling : DxEngGetDCState, type: %lu\n", type);
 
    if (pDC)
    {
        switch (type)
        {
            case 1:
                retVal = (DWORD_PTR) pDC->fs & DC_FULLSCREEN;
                break;
            case 2:
                /* Return the complexity of the visible region. */
                retVal = (DWORD_PTR) REGION_Complexity(pDC->prgnVis);
                break;
            case 3:
            {
                /* Return the HDEV of this DC. */
                retVal = (DWORD_PTR) pDC->ppdev;
                break;
            }
            default:
                /* If a valid type is not found, zero is returned */
                DPRINT1("Warning: did not find type %lu\n", type);
                break;
        }
        DC_UnlockDc(pDC);
    }
 
    DPRINT("retVal: %08Ix\n", retVal);
 
    return retVal;
}

DxEngGetDesktopDC()

HDC APIENTRY DxEngGetDesktopDC	(	ULONG	DcType,
		BOOL	EmptyDC,
		BOOL	ValidatehWnd
	)

Definition at line 697 of file dxeng.c.

{
    return UserGetDesktopDC(DcType, EmptyDC, ValidatehWnd);
}

DxEngGetDeviceGammaRamp()

BOOL APIENTRY DxEngGetDeviceGammaRamp	(	HDEV	hPDev,
		PGAMMARAMP	Ramp
	)

Definition at line 107 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngGetDeviceGammaRamp\n");
    return IntGetDeviceGammaRamp(hPDev, Ramp);
}

DxEngGetHdevData()

DWORD_PTR APIENTRY DxEngGetHdevData	(	HDEV	hDev,
		DXEGSHDEVDATA	Type
	)

Definition at line 280 of file dxeng.c.

{
    DWORD_PTR retVal = 0;
    PPDEVOBJ PDev = (PPDEVOBJ)hDev;
 
    DPRINT("ReactX Calling : DxEngGetHdevData, Type: %d\n", Type);
 
#if 1
    DPRINT("hDev: %p\n", hDev);
#endif
 
    switch ( Type )
    {
      case DxEGShDevData_Surface:
        DPRINT("requested DxEGShDevData_Surface\n");
        retVal = (DWORD_PTR) PDev->pSurface; // ptr to Surface handle.
        break;
      case DxEGShDevData_hSpooler:
        DPRINT("requested DxEGShDevData_hSpooler\n");
        retVal = (DWORD_PTR) PDev->hSpooler;
        break;
      case DxEGShDevData_DitherFmt:
        DPRINT("requested DxEGShDevData_DitherFmt\n");
        retVal = (DWORD_PTR) PDev->devinfo.iDitherFormat;
        break;
      case DxEGShDevData_FxCaps:
        DPRINT("requested DxEGShDevData_FxCaps\n");
        retVal = (DWORD_PTR) PDev->devinfo.flGraphicsCaps;
        break;
      case DxEGShDevData_FxCaps2:
        DPRINT("requested DxEGShDevData_FxCaps2\n");
        retVal = (DWORD_PTR) PDev->devinfo.flGraphicsCaps2;
        break;
      case DxEGShDevData_DrvFuncs:
        DPRINT("requested DxEGShDevData_DrvFuncs\n");
        retVal = (DWORD_PTR) &PDev->DriverFunctions;
        break;
      case DxEGShDevData_dhpdev:
        DPRINT("requested DxEGShDevData_dhpdev\n");
        retVal = (DWORD_PTR) PDev->dhpdev; // DHPDEV
        break;
      case DxEGShDevData_eddg:
        DPRINT("requested DxEGShDevData_eddg\n");
        retVal = (DWORD_PTR) PDev->pEDDgpl;
        break;
      case DxEGShDevData_dd_locks:
        DPRINT("requested DxEGShDevData_dd_locks\n");
        retVal = (DWORD_PTR) PDev->cDirectDrawDisableLocks;
        break;
      case DxEGShDevData_dd_flags:
        DPRINT("requested DxEGShDevData_dd_flags\n");
        retVal = (DWORD_PTR) PDev->DxDd_Flags;
        break;
      case DxEGShDevData_disable:
        DPRINT("requested DxEGShDevData_disable\n");
        retVal = (DWORD_PTR) PDev->flFlags & PDEV_DISABLED;
        break;
      case DxEGShDevData_metadev:
        DPRINT("requested DxEGShDevData_metadev\n");
        retVal = (DWORD_PTR) PDev->flFlags & PDEV_META_DEVICE;
        break;
      case DxEGShDevData_display:
        DPRINT("requested DxEGShDevData_display\n");
        retVal = (DWORD_PTR) PDev->flFlags & PDEV_DISPLAY;
        break;
      case DxEGShDevData_Parent:
        DPRINT("requested DxEGShDevData_Parent\n");
        retVal = (DWORD_PTR) PDev->ppdevParent;
        break;
      case DxEGShDevData_OpenRefs:
        DPRINT("requested DxEGShDevData_OpenRefs\n");
        retVal = (DWORD_PTR) PDev->cPdevOpenRefs != 0;
        break;
      case DxEGShDevData_palette:
        DPRINT("requested DxEGShDevData_palette\n");
        retVal = (DWORD_PTR) PDev->gdiinfo.flRaster & RC_PALETTE;
        break;
      case DxEGShDevData_ldev:
        DPRINT("requested DxEGShDevData_ldev\n");
        retVal = (DWORD_PTR) PDev->pldev;
        break;
      case DxEGShDevData_GDev:
        DPRINT("requested DxEGShDevData_GDev\n");
        retVal = (DWORD_PTR) PDev->pGraphicsDevice; // P"GRAPHICS_DEVICE"
        break;
      case DxEGShDevData_clonedev:
        DPRINT("requested DxEGShDevData_clonedev\n");
        retVal = (DWORD_PTR) PDev->flFlags & PDEV_CLONE_DEVICE;
        break;
      default:
        // TODO: Make this default a bit more useful.
        break;
    }
 
#if 1
    DPRINT("retVal: %08Ix\n", retVal);
#endif
 
    return retVal;
}

DxEngGetRedirectionBitmap()

DWORD APIENTRY DxEngGetRedirectionBitmap

(

DWORD

x1

)

Definition at line 857 of file dxeng.c.

{
    return FALSE; // Normal return.
}

DxEngGetSurfaceData()

DWORD APIENTRY DxEngGetSurfaceData	(	DWORD	x1,
		DWORD	x2
	)

Definition at line 791 of file dxeng.c.

{
    UNIMPLEMENTED;
    return FALSE;
}

DxEngIncDispUniq()

BOOLEAN APIENTRY DxEngIncDispUniq

(

VOID

)

Definition at line 503 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngIncDispUniq\n");
 
    InterlockedIncrement((LONG*)&GdiHandleTable->flDeviceUniq);
    return TRUE;
}

DxEngIsHdevLockedByCurrentThread()

BOOLEAN APIENTRY DxEngIsHdevLockedByCurrentThread

(

HDEV

hDev

)

Definition at line 675 of file dxeng.c.

{   // Based on EngIsSemaphoreOwnedByCurrentThread w/o the Ex call.
    PERESOURCE pSem = (PERESOURCE)(((PPDEVOBJ)hDev)->hsemDevLock);
    return pSem->OwnerEntry.OwnerThread == (ERESOURCE_THREAD)PsGetCurrentThread();
}

DxEngLoadImage()

DWORD APIENTRY DxEngLoadImage	(	DWORD	x1,
		DWORD	x2
	)

Definition at line 865 of file dxeng.c.

{
    UNIMPLEMENTED;
    return FALSE;
}

DxEngLockDC()

PDC APIENTRY DxEngLockDC

(

HDC

hDC

)

Definition at line 131 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngLockDC\n");
    return DC_LockDc(hDC);
}

DxEngLockHdev()

BOOLEAN APIENTRY DxEngLockHdev

(

HDEV

hDev

)

Definition at line 529 of file dxeng.c.

{
    PPDEVOBJ ppdev = (PPDEVOBJ)hDev;
    PERESOURCE Resource;
 
    DPRINT("ReactX Calling : DxEngLockHdev\n");
 
    DPRINT("hDev: %p\n", hDev);
 
    Resource = (PERESOURCE)ppdev->hsemDevLock;
 
    if (Resource)
    {
        KeEnterCriticalRegion();
        ExAcquireResourceExclusiveLite( Resource , TRUE); // Lock monitor.
    }
    return TRUE;
}

DxEngLockShareSem()

BOOLEAN APIENTRY DxEngLockShareSem

(

VOID

)

Definition at line 179 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngLockShareSem\n");
    if(!ghsemShareDevLock) ghsemShareDevLock = EngCreateSemaphore(); // Hax, should be in dllmain.c
    EngAcquireSemaphore(ghsemShareDevLock);
    return TRUE;
}

DxEngMarkSurfaceAsDirectDraw()

DWORD APIENTRY DxEngMarkSurfaceAsDirectDraw	(	DWORD	x1,
		DWORD	x2
	)

Definition at line 819 of file dxeng.c.

{
    UNIMPLEMENTED;
    return FALSE;
}

DxEngNUIsTermSrv()

BOOLEAN APIENTRY DxEngNUIsTermSrv

(

VOID

)

Definition at line 600 of file dxeng.c.

{
    /* FIXME: ReactOS does not suport terminal server yet, we can not check if we got connections or not */
    UNIMPLEMENTED;
    return FALSE;
}

DxEngRedrawDesktop()

BOOLEAN APIENTRY DxEngRedrawDesktop

(

VOID

)

Definition at line 615 of file dxeng.c.

{
    UserRedrawDesktop();
    return TRUE;
}

DxEngReferenceHdev()

BOOLEAN APIENTRY DxEngReferenceHdev

(

HDEV

hDev

)

Definition at line 586 of file dxeng.c.

{
    PDEVOBJ_vReference((PPDEVOBJ)hDev);
    /* ALWAYS return true */
    return TRUE;
}

DxEngScreenAccessCheck()

DWORD APIENTRY DxEngScreenAccessCheck

(

VOID

)

Definition at line 662 of file dxeng.c.

{
    UNIMPLEMENTED;
 
    /* We're cheating here and telling dxg.sys it has always had permissions to access the screen */
    return TRUE;
}

DxEngSelectBitmap()

HBITMAP APIENTRY DxEngSelectBitmap	(	HDC	hdc,
		HBITMAP	hbmp
	)

Definition at line 761 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngSelectBitmap\n");
 
    return NtGdiSelectBitmap(hdc, hbmp);
}

DxEngSelectPaletteToSurface()

DWORD APIENTRY DxEngSelectPaletteToSurface	(	DWORD	x1,
		DWORD	x2
	)

Definition at line 828 of file dxeng.c.

{
    UNIMPLEMENTED;
    return FALSE;
}

DxEngSetBitmapOwner()

BOOLEAN APIENTRY DxEngSetBitmapOwner	(	HBITMAP	hbmp,
		ULONG	ulOwner
	)

Definition at line 771 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngSetBitmapOwner\n");
 
    return GreSetBitmapOwner(hbmp, ulOwner);
}

DxEngSetDCOwner()

BOOL APIENTRY DxEngSetDCOwner	(	HGDIOBJ	hObject,
		DWORD	OwnerMask
	)

Definition at line 725 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngSetDCOwner\n");
 
    return GreSetDCOwner(hObject, OwnerMask);
}

DxEngSetDCState()

BOOLEAN APIENTRY DxEngSetDCState	(	HDC	hDC,
		DWORD	SetType,
		DWORD	Set
	)

Definition at line 737 of file dxeng.c.

{
   BOOLEAN Ret = FALSE;
   PDC pDC = DC_LockDc(hDC);
 
   if (pDC)
   {
      if (SetType == 1)
      {
        if ( Set )
            pDC->fs |= DC_FULLSCREEN;
        else
            pDC->fs &= ~DC_FULLSCREEN;
        Ret = TRUE;
      }
      DC_UnlockDc(pDC);
      return Ret; // Everything else returns FALSE.
   }
   return Ret;
}

DxEngSetDeviceGammaRamp()

BOOLEAN APIENTRY DxEngSetDeviceGammaRamp	(	HDEV	hPDev,
		PGAMMARAMP	Ramp,
		BOOL	Test
	)

Definition at line 233 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngSetDeviceGammaRamp\n");
    return IntSetDeviceGammaRamp(hPDev, Ramp, Test);
}

DxEngSetHdevData()

BOOLEAN APIENTRY DxEngSetHdevData	(	HDEV	hDev,
		DXEGSHDEVDATA	Type,
		DWORD_PTR	Data
	)

Definition at line 406 of file dxeng.c.

{
    BOOLEAN retVal = FALSE; // Default, no set.
 
    DPRINT("ReactX Calling : DxEngSetHdevData, Type: %d\n", Type);
 
    if (Type == DxEGShDevData_dd_locks)
    {
        DPRINT("Assigning value: %Iu\n", Data);
        ((PPDEVOBJ)hDev)->cDirectDrawDisableLocks = Data;
        retVal = TRUE; // Set
    }
    return retVal;
}

DxEngSetPaletteState()

DWORD APIENTRY DxEngSetPaletteState	(	DWORD	x1,
		DWORD	x2,
		DWORD	x3
	)

Definition at line 846 of file dxeng.c.

{
    UNIMPLEMENTED;
    return FALSE;
}

DxEngSpSpritesVisible()

DWORD APIENTRY DxEngSpSpritesVisible

(

DWORD

x1

)

Definition at line 892 of file dxeng.c.

{
    UNIMPLEMENTED;
    return FALSE;
}

DxEngSpTearDownSprites()

DWORD APIENTRY DxEngSpTearDownSprites	(	DWORD	x1,
		DWORD	x2,
		DWORD	x3
	)

Definition at line 874 of file dxeng.c.

{
    UNIMPLEMENTED;
    return FALSE;
}

DxEngSpUnTearDownSprites()

DWORD APIENTRY DxEngSpUnTearDownSprites	(	DWORD	x1,
		DWORD	x2,
		DWORD	x3
	)

Definition at line 883 of file dxeng.c.

{
    UNIMPLEMENTED;
    return FALSE;
}

DxEngSyncPaletteTableWithDevice()

DWORD APIENTRY DxEngSyncPaletteTableWithDevice	(	DWORD	x1,
		DWORD	x2
	)

Definition at line 837 of file dxeng.c.

{
    UNIMPLEMENTED;
    return FALSE;
}

DxEngUnlockDC()

BOOLEAN APIENTRY DxEngUnlockDC

(

PDC

pDC

)

Definition at line 155 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngUnlockDC\n");
    DC_UnlockDc(pDC);
    return TRUE;
}

DxEngUnlockHdev()

BOOLEAN APIENTRY DxEngUnlockHdev

(

HDEV

hDev

)

Definition at line 566 of file dxeng.c.

{
    PPDEVOBJ ppdev = (PPDEVOBJ)hDev;
    PERESOURCE Resource = (PERESOURCE)ppdev->hsemDevLock;
 
    DPRINT("ReactX Calling : DxEngUnlockHdev\n");
 
    if (Resource)
    {
        ExReleaseResourceLite( Resource );
        KeLeaveCriticalRegion();
    }
    return TRUE;
}

DxEngUnlockShareSem()

BOOLEAN APIENTRY DxEngUnlockShareSem

(

VOID

)

Definition at line 202 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngUnlockShareSem\n");
    EngReleaseSemaphore(ghsemShareDevLock);
    return TRUE;
}

DxEngUnreferenceHdev()

BOOLEAN APIENTRY DxEngUnreferenceHdev

(

HDEV

hDev

)

Definition at line 686 of file dxeng.c.

{
    PDEVOBJ_vRelease((PPDEVOBJ)hDev);
    return TRUE; // Always true.
}

DxEngUploadPaletteEntryToSurface()

DWORD APIENTRY DxEngUploadPaletteEntryToSurface	(	DWORD	x1,
		DWORD	x2,
		DWORD	x3,
		DWORD	x4
	)

Definition at line 810 of file dxeng.c.

{
    UNIMPLEMENTED;
    return FALSE;
}

DxEngVisRgnUniq()

ULONG APIENTRY DxEngVisRgnUniq

(

VOID

)

Definition at line 629 of file dxeng.c.

{
    DPRINT("ReactX Calling : DxEngVisRgnUniq\n");
 
    return gulVisRgnUniqueness;
}

Variable Documentation

gaEngFuncs

DRVFN gaEngFuncs[]

Definition at line 18 of file dxeng.c.

Referenced by DxDdStartupDxGraphics().

gcEngFuncs

ULONG gcEngFuncs = DXENG_INDEX_DxEngLoadImage + 1

Definition at line 17 of file dxeng.c.

Referenced by DxDdStartupDxGraphics().

ghsemShareDevLock

HSEMAPHORE ghsemShareDevLock = NULL

Definition at line 15 of file dxeng.c.

Referenced by DxEngLockShareSem(), and DxEngUnlockShareSem().

gulVisRgnUniqueness

ULONG gulVisRgnUniqueness

Definition at line 621 of file dxeng.c.

Referenced by DxEngVisRgnUniq().