mirror of
https://github.com/reactos/reactos.git
synced 2024-07-06 20:55:16 +00:00
Rename framebuf.def to framebuf_acc.def, framebuf.h to framebuf_acc.h, framebuf.rbuild to framebuf_acc.h
Start add hw mouse cures support Deleted all old mouse pointer code that was disable. Disable the new cached code for now svn path=/trunk/; revision=30040
This commit is contained in:
parent
fc74dc4764
commit
75d64c3e09
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@ -18,20 +18,20 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "framebuf.h"
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#include "framebuf_acc.h"
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static DRVFN DrvFunctionTable[] =
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{
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{INDEX_DrvEnablePDEV, (PFN)DrvEnablePDEV},
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{INDEX_DrvCompletePDEV, (PFN)DrvCompletePDEV},
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{INDEX_DrvDisablePDEV, (PFN)DrvDisablePDEV},
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{INDEX_DrvEnableSurface, (PFN)DrvEnableSurface},
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{INDEX_DrvDisableSurface, (PFN)DrvDisableSurface},
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{INDEX_DrvAssertMode, (PFN)DrvAssertMode},
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{INDEX_DrvGetModes, (PFN)DrvGetModes},
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{INDEX_DrvSetPalette, (PFN)DrvSetPalette},
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{INDEX_DrvSetPointerShape, (PFN)DrvSetPointerShape},
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{INDEX_DrvMovePointer, (PFN)DrvMovePointer}
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{INDEX_DrvEnablePDEV, (PFN)DrvEnablePDEV},
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{INDEX_DrvCompletePDEV, (PFN)DrvCompletePDEV},
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{INDEX_DrvDisablePDEV, (PFN)DrvDisablePDEV},
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{INDEX_DrvEnableSurface, (PFN)DrvEnableSurface},
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{INDEX_DrvDisableSurface, (PFN)DrvDisableSurface},
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{INDEX_DrvAssertMode, (PFN)DrvAssertMode},
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{INDEX_DrvGetModes, (PFN)DrvGetModes},
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{INDEX_DrvSetPalette, (PFN)DrvSetPalette},
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{INDEX_DrvSetPointerShape, (PFN)DrvSetPointerShape},
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{INDEX_DrvMovePointer, (PFN)DrvMovePointer}
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};
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@ -91,6 +91,7 @@ DrvEnablePDEV(
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PPDEV ppdev;
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GDIINFO GdiInfo;
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DEVINFO DevInfo;
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ULONG returnedDataLength = 0;
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ppdev = EngAllocMem(FL_ZERO_MEMORY, sizeof(PDEV), ALLOC_TAG);
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if (ppdev == NULL)
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@ -106,6 +107,35 @@ DrvEnablePDEV(
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return NULL;
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}
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/* hw mouse pointer */
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ppdev->pPointerAttributes = NULL;
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ppdev->PointerAttributesSize = 0;
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/* Test see if the driver support hw mouse or not */
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if (!EngDeviceIoControl(ppdev->hDriver,IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES,
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&ppdev->ModeIndex, sizeof(PVIDEO_MODE),
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&ppdev->PointerCapabilities,
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sizeof(VIDEO_POINTER_CAPABILITIES),
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&returnedDataLength))
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{
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/* Test see if we got a hw mouse or not */
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if ( (ppdev->PointerCapabilities.Flags & VIDEO_MODE_MONO_POINTER) ||
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(ppdev->PointerCapabilities.Flags & VIDEO_MODE_COLOR_POINTER) )
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{
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/* determent the hw mouse mode */
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if (!(ppdev->PointerCapabilities.Flags & VIDEO_MODE_ASYNC_POINTER))
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{
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DevInfo.flGraphicsCaps &= ~GCAPS_ASYNCMOVE;
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}
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else
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{
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DevInfo.flGraphicsCaps |= GCAPS_ASYNCMOVE;
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}
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}
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}
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/* setup paletted */
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if (!IntInitDefaultPalette(ppdev, &DevInfo))
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{
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EngFreeMem(ppdev);
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@ -29,13 +29,18 @@
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#include <winioctl.h>
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#include <ntddvdeo.h>
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//#define EXPERIMENTAL_MOUSE_CURSOR_SUPPORT
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//#define EXPERIMENTAL_ACC_SUPPORT
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typedef struct _PDEV
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{
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/* Driver stuff */
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HANDLE hDriver;
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HDEV hDevEng;
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HSURF hSurfEng;
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ULONG dwHooks;
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/* Screen Data */
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ULONG ModeIndex;
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ULONG ScreenWidth;
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ULONG ScreenHeight;
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@ -46,16 +51,24 @@ typedef struct _PDEV
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ULONG BlueMask;
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BYTE PaletteShift;
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PVOID ScreenPtr;
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/* Palette data */
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HPALETTE DefaultPalette;
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PALETTEENTRY *PaletteEntries;
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/* hw mouse acclartions support */
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VIDEO_POINTER_CAPABILITIES PointerCapabilities;
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PVIDEO_POINTER_ATTRIBUTES pPointerAttributes;
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ULONG PointerAttributesSize;
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POINTL PointerHotSpot;
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BOOL HwMouseActive;
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#ifdef EXPERIMENTAL_MOUSE_CURSOR_SUPPORT
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VIDEO_POINTER_ATTRIBUTES PointerAttributes;
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XLATEOBJ *PointerXlateObject;
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HSURF PointerColorSurface;
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HSURF PointerMaskSurface;
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HSURF PointerSaveSurface;
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POINTL PointerHotSpot;
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#endif
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/* DirectX Support */
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@ -1,8 +1,8 @@
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<?xml version="1.0"?>
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<!DOCTYPE module SYSTEM "../../../../tools/rbuild/project.dtd">
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<module name="framebuf" type="kernelmodedll" entrypoint="_DrvEnableDriver@12" installbase="system32" installname="framebuf.dll">
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<importlibrary definition="framebuf.def" />
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<include base="framebuf">.</include>
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<module name="framebuf_acc" type="kernelmodedll" entrypoint="_DrvEnableDriver@12" installbase="system32" installname="framebuf.dll">
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<importlibrary definition="framebuf_acc.def" />
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<include base="framebuf_acc">.</include>
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<library>win32k</library>
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<library>libcntpr</library>
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<file>enable.c</file>
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@ -10,5 +10,5 @@
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<file>pointer.c</file>
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<file>screen.c</file>
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<file>surface.c</file>
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<file>framebuf.rc</file>
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<file>framebuf_acc.rc</file>
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</module>
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@ -18,7 +18,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "framebuf.h"
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#include "framebuf_acc.h"
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/*
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* Standard color that must be in palette, because they're used for
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@ -18,9 +18,9 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "framebuf.h"
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#include "framebuf_acc.h"
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#ifndef EXPERIMENTAL_MOUSE_CURSOR_SUPPORT
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/*
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* DrvSetPointerShape
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@ -68,303 +68,4 @@ DrvMovePointer(
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return EngMovePointer(pso, x, y, prcl);
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}
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#else
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VOID FASTCALL
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IntHideMousePointer(PPDEV ppdev, SURFOBJ *DestSurface)
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{
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if (ppdev->PointerAttributes.Enable == FALSE)
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{
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return;
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}
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ppdev->PointerAttributes.Enable = FALSE;
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if (ppdev->PointerSaveSurface != NULL)
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{
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RECTL DestRect;
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POINTL SrcPoint;
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SURFOBJ *SaveSurface;
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SURFOBJ *MaskSurface;
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DestRect.left = max(ppdev->PointerAttributes.Column, 0);
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DestRect.top = max(ppdev->PointerAttributes.Row, 0);
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DestRect.right = min(
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ppdev->PointerAttributes.Column + ppdev->PointerAttributes.Width,
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ppdev->ScreenWidth - 1);
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DestRect.bottom = min(
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ppdev->PointerAttributes.Row + ppdev->PointerAttributes.Height,
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ppdev->ScreenHeight - 1);
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SrcPoint.x = max(-ppdev->PointerAttributes.Column, 0);
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SrcPoint.y = max(-ppdev->PointerAttributes.Row, 0);
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SaveSurface = EngLockSurface(ppdev->PointerSaveSurface);
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MaskSurface = EngLockSurface(ppdev->PointerMaskSurface);
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EngBitBlt(DestSurface, SaveSurface, MaskSurface, NULL, NULL,
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&DestRect, &SrcPoint, &SrcPoint, NULL, NULL, SRCCOPY);
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EngUnlockSurface(MaskSurface);
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EngUnlockSurface(SaveSurface);
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}
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}
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VOID FASTCALL
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IntShowMousePointer(PPDEV ppdev, SURFOBJ *DestSurface)
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{
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if (ppdev->PointerAttributes.Enable == TRUE)
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{
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return;
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}
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ppdev->PointerAttributes.Enable = TRUE;
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/*
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* Copy the pixels under the cursor to temporary surface.
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*/
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if (ppdev->PointerSaveSurface != NULL)
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{
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RECTL DestRect;
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POINTL SrcPoint;
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SURFOBJ *SaveSurface;
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SrcPoint.x = max(ppdev->PointerAttributes.Column, 0);
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SrcPoint.y = max(ppdev->PointerAttributes.Row, 0);
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DestRect.left = SrcPoint.x - ppdev->PointerAttributes.Column;
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DestRect.top = SrcPoint.y - ppdev->PointerAttributes.Row;
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DestRect.right = min(
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ppdev->PointerAttributes.Width,
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ppdev->ScreenWidth - ppdev->PointerAttributes.Column - 1);
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DestRect.bottom = min(
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ppdev->PointerAttributes.Height,
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ppdev->ScreenHeight - ppdev->PointerAttributes.Row - 1);
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SaveSurface = EngLockSurface(ppdev->PointerSaveSurface);
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EngBitBlt(SaveSurface, DestSurface, NULL, NULL, NULL,
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&DestRect, &SrcPoint, NULL, NULL, NULL, SRCCOPY);
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EngUnlockSurface(SaveSurface);
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}
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/*
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* Blit the cursor on the screen.
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*/
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{
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RECTL DestRect;
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POINTL SrcPoint;
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SURFOBJ *ColorSurf;
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SURFOBJ *MaskSurf;
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DestRect.left = max(ppdev->PointerAttributes.Column, 0);
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DestRect.top = max(ppdev->PointerAttributes.Row, 0);
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DestRect.right = min(
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ppdev->PointerAttributes.Column + ppdev->PointerAttributes.Width,
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ppdev->ScreenWidth - 1);
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DestRect.bottom = min(
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ppdev->PointerAttributes.Row + ppdev->PointerAttributes.Height,
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ppdev->ScreenHeight - 1);
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SrcPoint.x = max(-ppdev->PointerAttributes.Column, 0);
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SrcPoint.y = max(-ppdev->PointerAttributes.Row, 0);
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MaskSurf = EngLockSurface(ppdev->PointerMaskSurface);
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if (ppdev->PointerColorSurface != NULL)
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{
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ColorSurf = EngLockSurface(ppdev->PointerColorSurface);
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EngBitBlt(DestSurface, ColorSurf, MaskSurf, NULL, ppdev->PointerXlateObject,
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&DestRect, &SrcPoint, &SrcPoint, NULL, NULL, 0xAACC);
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EngUnlockSurface(ColorSurf);
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}
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else
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{
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/* FIXME */
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EngBitBlt(DestSurface, MaskSurf, NULL, NULL, ppdev->PointerXlateObject,
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&DestRect, &SrcPoint, NULL, NULL, NULL, SRCAND);
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SrcPoint.y += ppdev->PointerAttributes.Height;
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EngBitBlt(DestSurface, MaskSurf, NULL, NULL, ppdev->PointerXlateObject,
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&DestRect, &SrcPoint, NULL, NULL, NULL, SRCINVERT);
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}
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EngUnlockSurface(MaskSurf);
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}
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}
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/*
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* DrvSetPointerShape
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*
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* Sets the new pointer shape.
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*
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* Status
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* @implemented
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*/
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ULONG APIENTRY
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DrvSetPointerShape(
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IN SURFOBJ *pso,
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IN SURFOBJ *psoMask,
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IN SURFOBJ *psoColor,
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IN XLATEOBJ *pxlo,
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IN LONG xHot,
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IN LONG yHot,
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IN LONG x,
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IN LONG y,
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IN RECTL *prcl,
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IN FLONG fl)
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{
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PPDEV ppdev = (PPDEV)pso->dhpdev;
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SURFOBJ *TempSurfObj;
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IntHideMousePointer(ppdev, pso);
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if (ppdev->PointerColorSurface != NULL)
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{
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/* FIXME: Is this really needed? */
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TempSurfObj = EngLockSurface(ppdev->PointerColorSurface);
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EngFreeMem(TempSurfObj->pvBits);
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TempSurfObj->pvBits = 0;
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EngUnlockSurface(TempSurfObj);
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EngDeleteSurface(ppdev->PointerColorSurface);
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ppdev->PointerMaskSurface = NULL;
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}
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if (ppdev->PointerMaskSurface != NULL)
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{
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/* FIXME: Is this really needed? */
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TempSurfObj = EngLockSurface(ppdev->PointerMaskSurface);
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EngFreeMem(TempSurfObj->pvBits);
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TempSurfObj->pvBits = 0;
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EngUnlockSurface(TempSurfObj);
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EngDeleteSurface(ppdev->PointerMaskSurface);
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ppdev->PointerMaskSurface = NULL;
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}
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if (ppdev->PointerSaveSurface != NULL)
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{
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EngDeleteSurface(ppdev->PointerSaveSurface);
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ppdev->PointerSaveSurface = NULL;
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}
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/*
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* See if we are being asked to hide the pointer.
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*/
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if (psoMask == NULL)
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{
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return SPS_ACCEPT_EXCLUDE;
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}
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ppdev->PointerHotSpot.x = xHot;
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ppdev->PointerHotSpot.y = yHot;
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ppdev->PointerXlateObject = pxlo;
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ppdev->PointerAttributes.Column = x - xHot;
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ppdev->PointerAttributes.Row = y - yHot;
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ppdev->PointerAttributes.Width = psoMask->lDelta << 3;
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ppdev->PointerAttributes.Height = (psoMask->cjBits / psoMask->lDelta) >> 1;
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if (psoColor != NULL)
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{
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SIZEL Size;
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PBYTE Bits;
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Size.cx = ppdev->PointerAttributes.Width;
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Size.cy = ppdev->PointerAttributes.Height;
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Bits = EngAllocMem(0, psoColor->cjBits, ALLOC_TAG);
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memcpy(Bits, psoColor->pvBits, psoColor->cjBits);
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ppdev->PointerColorSurface = (HSURF)EngCreateBitmap(Size,
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psoColor->lDelta, psoColor->iBitmapFormat, 0, Bits);
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}
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else
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{
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ppdev->PointerColorSurface = NULL;
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}
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if (psoMask != NULL)
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{
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SIZEL Size;
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PBYTE Bits;
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Size.cx = ppdev->PointerAttributes.Width;
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Size.cy = ppdev->PointerAttributes.Height << 1;
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Bits = EngAllocMem(0, psoMask->cjBits, ALLOC_TAG);
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memcpy(Bits, psoMask->pvBits, psoMask->cjBits);
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ppdev->PointerMaskSurface = (HSURF)EngCreateBitmap(Size,
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psoMask->lDelta, psoMask->iBitmapFormat, 0, Bits);
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}
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else
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{
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ppdev->PointerMaskSurface = NULL;
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}
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/*
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* Create surface for saving the pixels under the cursor.
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*/
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{
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SIZEL Size;
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LONG lDelta;
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Size.cx = ppdev->PointerAttributes.Width;
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Size.cy = ppdev->PointerAttributes.Height;
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switch (pso->iBitmapFormat)
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{
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case BMF_8BPP: lDelta = Size.cx; break;
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case BMF_16BPP: lDelta = Size.cx << 1; break;
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case BMF_24BPP: lDelta = Size.cx * 3; break;
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case BMF_32BPP: lDelta = Size.cx << 2; break;
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}
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ppdev->PointerSaveSurface = (HSURF)EngCreateBitmap(
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Size, lDelta, pso->iBitmapFormat, BMF_NOZEROINIT, NULL);
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}
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IntShowMousePointer(ppdev, pso);
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return SPS_ACCEPT_EXCLUDE;
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}
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/*
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* DrvMovePointer
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*
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* Moves the pointer to a new position and ensures that GDI does not interfere
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* with the display of the pointer.
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*
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* Status
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* @implemented
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*/
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VOID APIENTRY
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DrvMovePointer(
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IN SURFOBJ *pso,
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IN LONG x,
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IN LONG y,
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IN RECTL *prcl)
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{
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PPDEV ppdev = (PPDEV)pso->dhpdev;
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BOOL WasVisible;
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WasVisible = ppdev->PointerAttributes.Enable;
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if (WasVisible)
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{
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IntHideMousePointer(ppdev, pso);
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}
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if (x == -1)
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{
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return;
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}
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ppdev->PointerAttributes.Column = x - ppdev->PointerHotSpot.x;
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ppdev->PointerAttributes.Row = y - ppdev->PointerHotSpot.y;
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if (WasVisible)
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{
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IntShowMousePointer(ppdev, pso);
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}
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}
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#endif
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|
|
|
@ -18,7 +18,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*/
|
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#include "framebuf.h"
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#include "framebuf_acc.h"
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/*
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* GetAvailableModes
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|
|
|
@ -19,7 +19,7 @@
|
|||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*/
|
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|
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#include "framebuf.h"
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#include "framebuf_acc.h"
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BOOL
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InitSurface(PPDEV ppdev,
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|
@ -29,6 +29,8 @@ InitSurface(PPDEV ppdev,
|
|||
VIDEO_MEMORY_INFORMATION VideoMemoryInfo;
|
||||
ULONG returnedDataLength;
|
||||
ULONG RemappingNeeded = 0;
|
||||
ULONG PointerMaxWidth = 0;
|
||||
ULONG PointerMaxHeight = 0;
|
||||
|
||||
/*
|
||||
* Set video mode of our adapter.
|
||||
|
@ -72,11 +74,16 @@ InitSurface(PPDEV ppdev,
|
|||
ppdev->pRealVideoMem = VideoMemoryInfo.FrameBufferBase;
|
||||
ppdev->VideoMemSize = VideoMemoryInfo.VideoRamLength;
|
||||
|
||||
|
||||
/*
|
||||
* Video memory cached
|
||||
*
|
||||
* We maby should only ask max 8MB as cached ?, think of the video ram length is 256MB
|
||||
*/
|
||||
|
||||
ppdev->pVideoMemCache = NULL;
|
||||
#ifdef EXPERIMENTAL_ACC_SUPPORT
|
||||
|
||||
ppdev->pVideoMemCache = EngAllocMem(0, (ULONG)VideoMemoryInfo.VideoRamLength, ALLOC_TAG);
|
||||
if (ppdev->pVideoMemCache == NULL)
|
||||
{
|
||||
|
@ -84,12 +91,40 @@ InitSurface(PPDEV ppdev,
|
|||
ppdev->ScreenPtr = VideoMemoryInfo.FrameBufferBase;
|
||||
}
|
||||
else
|
||||
|
||||
#endif
|
||||
{
|
||||
/* cached on, system memory is avail */
|
||||
ppdev->ScreenPtr = ppdev->pRealVideoMem;
|
||||
}
|
||||
|
||||
/* FIXME hw mouse pointer */
|
||||
/* hw mouse pointer support */
|
||||
PointerMaxHeight = ppdev->PointerCapabilities.MaxHeight;
|
||||
PointerMaxWidth = ppdev->PointerCapabilities.MaxWidth * sizeof(ULONG);
|
||||
if (ppdev->PointerCapabilities.Flags & VIDEO_MODE_COLOR_POINTER)
|
||||
{
|
||||
PointerMaxWidth = (ppdev->PointerCapabilities.MaxWidth + 7) / 8;
|
||||
}
|
||||
|
||||
ppdev->PointerAttributesSize = sizeof(VIDEO_POINTER_ATTRIBUTES) + ((sizeof(UCHAR) * PointerMaxWidth * PointerMaxHeight) << 1);
|
||||
|
||||
ppdev->pPointerAttributes = EngAllocMem(0, ppdev->PointerAttributesSize, ALLOC_TAG);
|
||||
|
||||
if (ppdev->pPointerAttributes != NULL)
|
||||
{
|
||||
ppdev->pPointerAttributes->Flags = ppdev->PointerCapabilities.Flags;
|
||||
ppdev->pPointerAttributes->WidthInBytes = PointerMaxWidth;
|
||||
ppdev->pPointerAttributes->Width = ppdev->PointerCapabilities.MaxWidth;
|
||||
ppdev->pPointerAttributes->Height = PointerMaxHeight;
|
||||
ppdev->pPointerAttributes->Column = 0;
|
||||
ppdev->pPointerAttributes->Row = 0;
|
||||
ppdev->pPointerAttributes->Enable = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* no hw mouse was avail */
|
||||
ppdev->PointerAttributesSize = 0;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
@ -157,13 +192,15 @@ DrvEnableSurface(
|
|||
return FALSE;
|
||||
}
|
||||
|
||||
/* Which api we hooking to */
|
||||
ppdev->dwHooks = HOOK_BITBLT | HOOK_COPYBITS | HOOK_FILLPATH | HOOK_TEXTOUT | HOOK_STROKEPATH | HOOK_LINETO ;
|
||||
|
||||
/*
|
||||
* Associate the surface with our device.
|
||||
*/
|
||||
|
||||
if (!EngAssociateSurface(hSurface, ppdev->hDevEng, HOOK_BITBLT | HOOK_COPYBITS |
|
||||
HOOK_FILLPATH | HOOK_TEXTOUT |
|
||||
HOOK_STROKEPATH | HOOK_LINETO))
|
||||
|
||||
if (!EngAssociateSurface(hSurface, ppdev->hDevEng, ppdev->dwHooks))
|
||||
{
|
||||
EngDeleteSurface(hSurface);
|
||||
return FALSE;
|
||||
|
@ -232,52 +269,43 @@ DrvAssertMode(
|
|||
{
|
||||
PPDEV ppdev = (PPDEV)dhpdev;
|
||||
ULONG ulTemp;
|
||||
BOOLEAN Result = TRUE;
|
||||
|
||||
if (bEnable)
|
||||
{
|
||||
BOOLEAN Result;
|
||||
PBYTE pRealVideoMem = ppdev->pRealVideoMem;
|
||||
PVOID pRealVideoMem = ppdev->pRealVideoMem;
|
||||
|
||||
/* Setup surface and remapping if it need it */
|
||||
if (!InitSurface(ppdev, FALSE))
|
||||
{
|
||||
return FALSE;
|
||||
Result = FALSE;
|
||||
}
|
||||
|
||||
/* Check if we got same surface or not */
|
||||
if (pRealVideoMem != ppdev->pRealVideoMem)
|
||||
else
|
||||
{
|
||||
if (ppdev->pVideoMemCache == NULL)
|
||||
{
|
||||
if ( !EngModifySurface(ppdev->hsurfEng,
|
||||
ppdev->hdevEng,
|
||||
ppdev->flHooks | HOOK_SYNCHRONIZE,
|
||||
MS_NOTSYSTEMMEMORY,
|
||||
(DHSURF)ppdev,
|
||||
ppdev->pRealVideoMem,
|
||||
ppdev->lDeltaScreen,
|
||||
NULL))
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if ( !EngModifySurface(ppdev->hsurfEng,
|
||||
ppdev->hdevEng,
|
||||
ppdev->flHooks | HOOK_SYNCHRONIZE,
|
||||
0,
|
||||
(DHSURF)ppdev,
|
||||
ppdev->pVideoMemCache,
|
||||
ppdev->lDeltaScreen,
|
||||
NULL))
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
}
|
||||
/* Check if we got same surface or not */
|
||||
if (pRealVideoMem != ppdev->pRealVideoMem)
|
||||
{
|
||||
PVOID pVideoMem= NULL;
|
||||
|
||||
return TRUE;
|
||||
if (ppdev->pVideoMemCache == NULL)
|
||||
{
|
||||
pVideoMem = ppdev->pRealVideoMem;
|
||||
}
|
||||
else
|
||||
{
|
||||
pVideoMem = ppdev->pVideoMemCache;
|
||||
}
|
||||
|
||||
Result = !EngModifySurface(ppdev->hSurfEng, ppdev->hDevEng,
|
||||
ppdev->dwHooks | HOOK_SYNCHRONIZE,
|
||||
0, (DHSURF)ppdev, pVideoMem,
|
||||
ppdev->ScreenDelta, NULL);
|
||||
}
|
||||
|
||||
/* if the pRealVideoMem == ppdev->pRealVideoMem are
|
||||
* the Result is then TRUE
|
||||
*/
|
||||
}
|
||||
|
||||
}
|
||||
else
|
||||
|
@ -286,7 +314,9 @@ DrvAssertMode(
|
|||
* Call the miniport driver to reset the device to a known state.
|
||||
*/
|
||||
|
||||
return !EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_RESET_DEVICE,
|
||||
Result = !EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_RESET_DEVICE,
|
||||
NULL, 0, NULL, 0, &ulTemp);
|
||||
}
|
||||
|
||||
return Result;
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue