VBoxDispDriver.cpp revision ad5e8a7dd0aea68e53f3ffd6f8a272c8ecbcacec
/* $Id$ */
/** @file
* VBox XPDM Display driver interface functions
*/
/*
* Copyright (C) 2011 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#include "VBoxDisp.h"
#include "VBoxDispMini.h"
#include "VBoxDispDDraw.h"
#include <iprt/initterm.h>
/* Engine version we're running on, set in DrvEnableDriver */
static ULONG g_EngineVersionDDI = DDI_DRIVER_VERSION_NT4;
/* Callback function supported by our driver, stored in index/address pairs (see winddi.h) */
/* NT4 version */
static DRVFN g_aDrvFnTableNT4[] =
{
/* Required functions */
{INDEX_DrvGetModes, (PFN) VBoxDispDrvGetModes },
{INDEX_DrvEnablePDEV, (PFN) VBoxDispDrvEnablePDEV },
{INDEX_DrvCompletePDEV, (PFN) VBoxDispDrvCompletePDEV },
{INDEX_DrvDisablePDEV, (PFN) VBoxDispDrvDisablePDEV },
{INDEX_DrvEnableSurface, (PFN) VBoxDispDrvEnableSurface },
{INDEX_DrvDisableSurface, (PFN) VBoxDispDrvDisableSurface },
{INDEX_DrvAssertMode, (PFN) VBoxDispDrvAssertMode },
/* Drawing commands */
{INDEX_DrvLineTo, (PFN) VBoxDispDrvLineTo },
{INDEX_DrvStrokePath, (PFN) VBoxDispDrvStrokePath },
{INDEX_DrvFillPath, (PFN) VBoxDispDrvFillPath },
{INDEX_DrvPaint, (PFN) VBoxDispDrvPaint },
{INDEX_DrvTextOut, (PFN) VBoxDispDrvTextOut },
{INDEX_DrvSaveScreenBits, (PFN) VBoxDispDrvSaveScreenBits },
/* BitBlt's*/
{INDEX_DrvBitBlt, (PFN) VBoxDispDrvBitBlt },
{INDEX_DrvStretchBlt, (PFN) VBoxDispDrvStretchBlt, },
{INDEX_DrvCopyBits, (PFN) VBoxDispDrvCopyBits },
/* Brush related */
{INDEX_DrvRealizeBrush, (PFN) VBoxDispDrvRealizeBrush },
{INDEX_DrvDitherColor, (PFN) VBoxDispDrvDitherColor },
/* Pointer related */
{INDEX_DrvSetPointerShape, (PFN) VBoxDispDrvSetPointerShape },
{INDEX_DrvMovePointer, (PFN) VBoxDispDrvMovePointer },
/* Misc */
{INDEX_DrvDisableDriver, (PFN) VBoxDispDrvDisableDriver },
{INDEX_DrvSetPalette, (PFN) VBoxDispDrvSetPalette },
{INDEX_DrvEscape, (PFN) VBoxDispDrvEscape },
#ifdef VBOX_WITH_DDRAW
{INDEX_DrvGetDirectDrawInfo, (PFN) VBoxDispDrvGetDirectDrawInfo},
{INDEX_DrvEnableDirectDraw, (PFN) VBoxDispDrvEnableDirectDraw },
{INDEX_DrvDisableDirectDraw, (PFN) VBoxDispDrvDisableDirectDraw},
#endif
/* g_aDrvFnTableNT4, NT4 specific */
{INDEX_DrvOffset, (PFN) VBoxDispDrvOffset } /*Obsolete*/
};
/* WIN2K+ version */
static DRVFN g_aDrvFnTableNT5[] =
{
/* Required functions */
{INDEX_DrvGetModes, (PFN) VBoxDispDrvGetModes },
{INDEX_DrvEnablePDEV, (PFN) VBoxDispDrvEnablePDEV },
{INDEX_DrvCompletePDEV, (PFN) VBoxDispDrvCompletePDEV },
{INDEX_DrvDisablePDEV, (PFN) VBoxDispDrvDisablePDEV },
{INDEX_DrvEnableSurface, (PFN) VBoxDispDrvEnableSurface },
{INDEX_DrvDisableSurface, (PFN) VBoxDispDrvDisableSurface },
{INDEX_DrvAssertMode, (PFN) VBoxDispDrvAssertMode },
/* Drawing commands */
{INDEX_DrvLineTo, (PFN) VBoxDispDrvLineTo },
{INDEX_DrvStrokePath, (PFN) VBoxDispDrvStrokePath },
{INDEX_DrvFillPath, (PFN) VBoxDispDrvFillPath },
{INDEX_DrvPaint, (PFN) VBoxDispDrvPaint },
{INDEX_DrvTextOut, (PFN) VBoxDispDrvTextOut },
{INDEX_DrvSaveScreenBits, (PFN) VBoxDispDrvSaveScreenBits },
/* BitBlt's*/
{INDEX_DrvBitBlt, (PFN) VBoxDispDrvBitBlt },
{INDEX_DrvStretchBlt, (PFN) VBoxDispDrvStretchBlt, },
{INDEX_DrvCopyBits, (PFN) VBoxDispDrvCopyBits },
/* Brush related */
{INDEX_DrvRealizeBrush, (PFN) VBoxDispDrvRealizeBrush },
{INDEX_DrvDitherColor, (PFN) VBoxDispDrvDitherColor },
/* Pointer related */
{INDEX_DrvSetPointerShape, (PFN) VBoxDispDrvSetPointerShape },
{INDEX_DrvMovePointer, (PFN) VBoxDispDrvMovePointer },
/* Misc */
{INDEX_DrvDisableDriver, (PFN) VBoxDispDrvDisableDriver },
{INDEX_DrvSetPalette, (PFN) VBoxDispDrvSetPalette },
{INDEX_DrvEscape, (PFN) VBoxDispDrvEscape },
#ifdef VBOX_WITH_DDRAW
{INDEX_DrvGetDirectDrawInfo, (PFN) VBoxDispDrvGetDirectDrawInfo},
{INDEX_DrvEnableDirectDraw, (PFN) VBoxDispDrvEnableDirectDraw },
{INDEX_DrvDisableDirectDraw, (PFN) VBoxDispDrvDisableDirectDraw},
#endif
/* g_aDrvFnTableNT5, NT5 specific */
{INDEX_DrvNotify, (PFN) VBoxDispDrvNotify },
#ifdef VBOX_WITH_DDRAW
{INDEX_DrvDeriveSurface, (PFN) VBoxDispDrvDeriveSurface }
#endif
};
#ifdef VBOX_WITH_CROGL
typedef struct
{
DWORD dwVersion;
DWORD dwDriverVersion;
WCHAR szDriverName[256];
} OPENGL_INFO, *POPENGL_INFO;
#endif
RT_C_DECLS_BEGIN
ULONG __cdecl DbgPrint(PCH pszFormat, ...)
{
va_list args;
va_start(args, pszFormat);
RTLogBackdoorPrintfV(pszFormat, args);
va_end(args);
return 0;
}
RT_C_DECLS_END
VOID _wcsncpy(WCHAR *pwcd, WCHAR *pwcs, ULONG dstsize)
{
ULONG cnt=0;
while (*pwcs!=*L"")
{
if (cnt>=dstsize)
{
break;
}
*pwcd = *pwcs;
pwcs++;
pwcd++;
cnt ++;
}
if (cnt<dstsize)
{
memset(pwcd, 0, (dstsize-cnt) * sizeof(WCHAR));
}
}
#define VBOXDISPSETCIEC(_ciec, _x, _y, _lum) \
do { \
_ciec.x = _x; \
_ciec.y = _y; \
_ciec.Y = _lum; \
} while (0)
#define VBOXDISPMAKELOGFONTW(_font, _w, _h, _weight, _clip, _quality, _pitch, _name) \
do { \
_font.lfHeight = _w; \
_font.lfWidth = _h; \
_font.lfEscapement = 0; \
_font.lfOrientation = 0; \
_font.lfWeight = _weight; \
_font.lfItalic = 0; \
_font.lfUnderline = 0; \
_font.lfStrikeOut = 0; \
_font.lfCharSet = ANSI_CHARSET; \
_font.lfOutPrecision = OUT_DEFAULT_PRECIS; \
_font.lfClipPrecision = _clip; \
_font.lfQuality = _quality; \
_font.lfPitchAndFamily = (_pitch) | FF_DONTCARE; \
memset(_font.lfFaceName, 0, sizeof(_font.lfFaceName)); \
memcpy(_font.lfFaceName, _name, sizeof(_name)); \
} while (0)
static int VBoxDispInitDevice(PVBOXDISPDEV pDev, DEVMODEW *pdm, GDIINFO *pGdiInfo, DEVINFO *pDevInfo)
{
VIDEO_MODE_INFORMATION *pModesTable, selectedMode;
ULONG cModes, i=0;
int rc;
LOGF_ENTER();
/* Get a list of supported modes by both miniport and display driver */
rc = VBoxDispMPGetVideoModes(pDev->hDriver, &pModesTable, &cModes);
VBOX_WARNRC_RETRC(rc);
/* Check if requested mode is available in the list */
if ((g_EngineVersionDDI < DDI_DRIVER_VERSION_NT5)
&& (pdm->dmBitsPerPel==0)
&& (pdm->dmPelsWidth==0)
&& (pdm->dmPelsHeight==0)
&& (pdm->dmDisplayFrequency==0))
{
/* Special case for NT4, just return default(first) mode */
memcpy(&selectedMode, &pModesTable[0], sizeof(VIDEO_MODE_INFORMATION));
}
else
{
for (; i<cModes; ++i)
{
if ((pdm->dmBitsPerPel == (pModesTable[i].BitsPerPlane * pModesTable[i].NumberOfPlanes))
&& (pdm->dmPelsWidth == pModesTable[i].VisScreenWidth)
&& (pdm->dmPelsHeight == pModesTable[i].VisScreenHeight)
&& (pdm->dmDisplayFrequency == pModesTable[i].Frequency))
{
memcpy(&selectedMode, &pModesTable[i], sizeof(VIDEO_MODE_INFORMATION));
break;
}
}
}
EngFreeMem(pModesTable);
if (i>=cModes)
{
WARN(("can't support requested mode %dx%d@%dbpp(%dHz)!",
pdm->dmPelsWidth, pdm->dmPelsHeight, pdm->dmBitsPerPel, pdm->dmDisplayFrequency));
return VERR_NOT_SUPPORTED;
}
LOG(("match for requested mode %dx%d@%dbpp(%dHz)",
selectedMode.VisScreenWidth, selectedMode.VisScreenHeight, selectedMode.BitsPerPlane, selectedMode.Frequency));
/* Update private device info with mode information */
pDev->mode.ulIndex = selectedMode.ModeIndex;
pDev->mode.ulWidth = selectedMode.VisScreenWidth;
pDev->mode.ulHeight = selectedMode.VisScreenHeight;
pDev->mode.ulBitsPerPel = selectedMode.BitsPerPlane * selectedMode.NumberOfPlanes;
pDev->mode.lScanlineStride = selectedMode.ScreenStride;
pDev->mode.flMaskR = selectedMode.RedMask;
pDev->mode.flMaskG = selectedMode.GreenMask;
pDev->mode.flMaskB = selectedMode.BlueMask;
pDev->mode.ulPaletteShift = (pDev->mode.ulBitsPerPel==8) ? (8-selectedMode.NumberRedBits) : 0;
/* Fill GDIINFO structure */
memset(pGdiInfo, 0, sizeof(GDIINFO));
pGdiInfo->ulVersion = (g_EngineVersionDDI<DDI_DRIVER_VERSION_NT5) ? GDI_DRIVER_VERSION:0x5000;
pGdiInfo->ulVersion |= VBOXDISPDRIVERVERSION;
pGdiInfo->ulTechnology = DT_RASDISPLAY;
pGdiInfo->ulHorzSize = selectedMode.XMillimeter;
pGdiInfo->ulVertSize = selectedMode.YMillimeter;
pGdiInfo->ulHorzRes = pDev->mode.ulWidth;
pGdiInfo->ulVertRes = pDev->mode.ulHeight;
pGdiInfo->cBitsPixel = pDev->mode.ulBitsPerPel;
pGdiInfo->cPlanes = selectedMode.NumberOfPlanes;
pGdiInfo->ulNumColors = (pDev->mode.ulBitsPerPel==8) ? 20 : ((ULONG)(-1));
pGdiInfo->ulLogPixelsX = pdm->dmLogPixels;
pGdiInfo->ulLogPixelsY = pdm->dmLogPixels;
if (pdm->dmLogPixels!=96)
{
WARN(("requested logical pixel res %d isn't 96", pdm->dmLogPixels));
}
pGdiInfo->flTextCaps = TC_RA_ABLE;
pGdiInfo->ulDACRed = selectedMode.NumberRedBits;
pGdiInfo->ulDACGreen = selectedMode.NumberGreenBits;
pGdiInfo->ulDACBlue = selectedMode.NumberBlueBits;
pGdiInfo->ulAspectX = 0x24;
pGdiInfo->ulAspectY = 0x24;
/* note: ulAspectXY should be square root of sum of squares of x and y aspects */
pGdiInfo->ulAspectXY = 0x33;
/* search for "styled cosmetic lines" on msdn for more info */
pGdiInfo->xStyleStep = 1;
pGdiInfo->yStyleStep = 1;
pGdiInfo->denStyleStep = 3;
pGdiInfo->ulNumPalReg = (pDev->mode.ulBitsPerPel==8) ? (1<<pDev->mode.ulBitsPerPel) : 0;
/* @todo: might want to implement IOCTL_VIDEO_QUERY_COLOR_CAPABILITIES in miniport driver
* and query host for this info there
*/
VBOXDISPSETCIEC(pGdiInfo->ciDevice.Red, 6700, 3300, 0);
VBOXDISPSETCIEC(pGdiInfo->ciDevice.Green, 2100, 7100, 0);
VBOXDISPSETCIEC(pGdiInfo->ciDevice.Blue, 1400, 800, 0);
VBOXDISPSETCIEC(pGdiInfo->ciDevice.AlignmentWhite, 3127, 3290, 0);
VBOXDISPSETCIEC(pGdiInfo->ciDevice.Cyan, 0, 0, 0);
VBOXDISPSETCIEC(pGdiInfo->ciDevice.Magenta, 0, 0, 0);
VBOXDISPSETCIEC(pGdiInfo->ciDevice.Yellow, 0, 0, 0);
pGdiInfo->ciDevice.RedGamma = 20000;
pGdiInfo->ciDevice.GreenGamma = 20000;
pGdiInfo->ciDevice.BlueGamma = 20000;
pGdiInfo->ulPrimaryOrder = PRIMARY_ORDER_CBA;
pGdiInfo->ulHTPatternSize = HT_PATSIZE_4x4_M;
switch (pDev->mode.ulBitsPerPel)
{
case 8:
{
pGdiInfo->ulHTOutputFormat = HT_FORMAT_8BPP;
break;
}
case 16:
{
pGdiInfo->ulHTOutputFormat = HT_FORMAT_16BPP;
break;
}
case 24:
{
pGdiInfo->ulHTOutputFormat = HT_FORMAT_24BPP;
break;
}
case 32:
{
pGdiInfo->ulHTOutputFormat = HT_FORMAT_32BPP;
break;
}
}
pGdiInfo->flHTFlags = HT_FLAG_ADDITIVE_PRIMS;
pGdiInfo->ulVRefresh = selectedMode.Frequency;
/* 0 means BitBlt's are accelerated by driver */
pGdiInfo->ulBltAlignment = 0;
pGdiInfo->ulPhysicalPixelCharacteristics = PPC_UNDEFINED;
pGdiInfo->ulPhysicalPixelGamma = PPG_DEFAULT;
/* Fill DEVINFO structure */
memset(pDevInfo, 0, sizeof(DEVINFO));
pDevInfo->flGraphicsCaps = GCAPS_OPAQUERECT;
#ifdef VBOX_WITH_DDRAW
pDevInfo->flGraphicsCaps |= GCAPS_DIRECTDRAW;
#endif
VBOXDISPMAKELOGFONTW(pDevInfo->lfDefaultFont,
16, 7, FW_BOLD, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, VARIABLE_PITCH, L"System");
VBOXDISPMAKELOGFONTW(pDevInfo->lfAnsiVarFont,
12, 9, FW_NORMAL, CLIP_STROKE_PRECIS, PROOF_QUALITY, VARIABLE_PITCH, L"MS Sans Serif");
VBOXDISPMAKELOGFONTW(pDevInfo->lfAnsiFixFont,
12, 9, FW_NORMAL, CLIP_STROKE_PRECIS, PROOF_QUALITY, FIXED_PITCH, L"Courier");
pDevInfo->cFonts = 0;
pDevInfo->cxDither = 8;
pDevInfo->cyDither = 8;
pDevInfo->hpalDefault = 0;
pDevInfo->flGraphicsCaps2 = 0;
switch (pDev->mode.ulBitsPerPel)
{
case 8:
{
pDevInfo->flGraphicsCaps |= GCAPS_PALMANAGED|GCAPS_COLOR_DITHER;
pDevInfo->iDitherFormat = BMF_8BPP;
break;
}
case 16:
{
pDevInfo->iDitherFormat = BMF_16BPP;
break;
}
case 24:
{
pDevInfo->iDitherFormat = BMF_24BPP;
break;
}
case 32:
{
pDevInfo->iDitherFormat = BMF_32BPP;
break;
}
}
LOGF_LEAVE();
return rc;
}
/* Display Driver entry point,
* Returns DDI version number and callbacks supported by driver.
*/
BOOL DrvEnableDriver(ULONG iEngineVersion, ULONG cj, PDRVENABLEDATA pded)
{
/*@todo: can't link with hal.lib
int irc = RTR0Init(0);
if (RT_FAILURE(irc))
{
LOGREL(("failed to init IPRT (rc=%#x)", irc));
return FALSE;
}
*/
LOGF(("iEngineVersion=%#08X, cj=%d", iEngineVersion, cj));
g_EngineVersionDDI = iEngineVersion;
/* Driver can't work if we can't fill atleast first 3 fields in passed PDRVENABLEDATA */
if (cj < (2*sizeof(ULONG)+sizeof(DRVFN*)))
{
WARN(("cj<%d, terminating\n", sizeof(DRVENABLEDATA)));
return FALSE;
}
/* Report driver DDI version and appropriate callbacks table based on engine DDI */
if (iEngineVersion>=DDI_DRIVER_VERSION_NT5)
{
/* WIN2K and above */
pded->iDriverVersion = DDI_DRIVER_VERSION_NT5;
pded->pdrvfn = g_aDrvFnTableNT5;
pded->c = RT_ELEMENTS(g_aDrvFnTableNT5);
}
else
{
/* NT4_SP3 and below*/
pded->iDriverVersion = DDI_DRIVER_VERSION_NT4;
pded->pdrvfn = g_aDrvFnTableNT4;
pded->c = RT_ELEMENTS(g_aDrvFnTableNT4);
}
LOGF_LEAVE();
return TRUE;
}
/* Free all resources allocated in DrvEnableDriver */
VOID APIENTRY VBoxDispDrvDisableDriver()
{
LOGF_ENTER();
/* Intentionally left blank */
LOGF_LEAVE();
return;
}
/* Returns video modes supported by our device/driver
* Note: If we fail here we'd be asked to enter 800x600@4bpp mode later in VBoxDispDrvEnablePDEV.
*/
ULONG APIENTRY VBoxDispDrvGetModes(HANDLE hDriver, ULONG cjSize, DEVMODEW *pdm)
{
int rc;
VIDEO_MODE_INFORMATION *pModesTable;
ULONG cModes;
LOGF_ENTER();
rc = VBoxDispMPGetVideoModes(hDriver, &pModesTable, &cModes);
VBOX_WARNRC_RETV(rc, 0);
if (!pdm) /* return size of buffer required to store all supported modes */
{
EngFreeMem(pModesTable);
LOGF_LEAVE();
return cModes * sizeof(DEVMODEW);
}
ULONG mode, cMaxNodes=cjSize/sizeof(DEVMODEW);
for (mode=0; mode<cModes && mode<cMaxNodes; ++mode, ++pdm)
{
memset(pdm, 0, sizeof(DEVMODEW));
memcpy(pdm->dmDeviceName, VBOXDISP_DEVICE_NAME, sizeof(VBOXDISP_DEVICE_NAME));
pdm->dmSpecVersion = DM_SPECVERSION;
pdm->dmDriverVersion = DM_SPECVERSION;
pdm->dmSize = sizeof(DEVMODEW);
pdm->dmDriverExtra = 0;
pdm->dmBitsPerPel = pModesTable[mode].NumberOfPlanes*pModesTable[mode].BitsPerPlane;
pdm->dmPelsWidth = pModesTable[mode].VisScreenWidth;
pdm->dmPelsHeight = pModesTable[mode].VisScreenHeight;
pdm->dmDisplayFrequency = pModesTable[mode].Frequency;
pdm->dmDisplayFlags = 0;
pdm->dmFields = DM_BITSPERPEL|DM_PELSWIDTH|DM_PELSHEIGHT|DM_DISPLAYFREQUENCY|DM_DISPLAYFLAGS;
}
EngFreeMem(pModesTable);
LOG(("%d mode(s) reported", mode));
LOGF_LEAVE();
return mode * sizeof(DEVMODEW);
}
/* First function which is called after entry point, provides info about device to GDI.
* Returns pointer to our driver private info structure which would be passed by GDI to our other callbacks.
*/
DHPDEV APIENTRY
VBoxDispDrvEnablePDEV(DEVMODEW *pdm, LPWSTR pwszLogAddress, ULONG cPat, HSURF *phsurfPatterns,
ULONG cjCaps, ULONG *pdevcaps,
ULONG cjDevInfo, DEVINFO *pdi,
HDEV hdev, PWSTR pwszDeviceName, HANDLE hDriver)
{
PVBOXDISPDEV pDev = NULL;
GDIINFO gdiInfo;
DEVINFO devInfo;
int rc;
/* Next 3 are only used for printer drivers */
NOREF(pwszLogAddress);
NOREF(cPat);
NOREF(phsurfPatterns);
NOREF(pwszDeviceName);
LOGF_ENTER();
pDev = (PVBOXDISPDEV) EngAllocMem(FL_ZERO_MEMORY, sizeof(VBOXDISPDEV), MEM_ALLOC_TAG);
if (!pDev)
{
WARN(("EngAllocMem failed!\n"));
return NULL;
}
pDev->hDriver = hDriver;
/* Initialize device structure and query miniport to fill device and gdi infos */
rc = VBoxDispInitDevice(pDev, pdm, &gdiInfo, &devInfo);
if (RT_FAILURE(rc))
{
VBOX_WARNRC(rc);
EngFreeMem(pDev);
return NULL;
}
/* Initialize mouse pointer caps */
rc = VBoxDispInitPointerCaps(pDev, &devInfo);
if (RT_FAILURE(rc))
{
VBOX_WARNRC(rc);
}
/* Initialize palette */
rc = VBoxDispInitPalette(pDev, &devInfo);
if (RT_FAILURE(rc))
{
VBOX_WARNRC(rc);
EngFreeMem(pDev);
return NULL;
}
if(g_EngineVersionDDI >= DDI_DRIVER_VERSION_NT5)
{
devInfo.flGraphicsCaps2 |= GCAPS2_RESERVED1;
}
/* Copy gathered info to supplied buffers */
memcpy(pdevcaps, &gdiInfo, min(sizeof(GDIINFO), cjCaps));
memcpy(pdi, &devInfo, min(sizeof(DEVINFO), cjDevInfo));
LOGF_LEAVE();
return (DHPDEV)pDev;
}
/* Called to provide us GDI handle for our device, which we should use later for GDI calls */
VOID APIENTRY VBoxDispDrvCompletePDEV(DHPDEV dhpdev, HDEV hdev)
{
LOGF_ENTER();
((PVBOXDISPDEV)dhpdev)->hDevGDI = hdev;
LOGF_LEAVE();
}
/* Called to free resources allocated for device in VBoxDispDrvEnablePDEV */
VOID APIENTRY VBoxDispDrvDisablePDEV(DHPDEV dhpdev)
{
LOGF_ENTER();
VBoxDispDestroyPalette((PVBOXDISPDEV) dhpdev);
EngFreeMem(dhpdev);
LOGF_LEAVE();
}
/* Called to create and associate surface with device */
HSURF APIENTRY VBoxDispDrvEnableSurface(DHPDEV dhpdev)
{
int rc;
PVBOXDISPDEV pDev = (PVBOXDISPDEV)dhpdev;
LOGF_ENTER();
/* Switch device to mode requested in VBoxDispDrvEnablePDEV */
rc = VBoxDispMPSetCurrentMode(pDev->hDriver, pDev->mode.ulIndex);
VBOX_WARNRC_RETV(rc, NULL);
/* Map fb and vram */
rc = VBoxDispMPMapMemory(pDev, &pDev->memInfo);
VBOX_WARNRC_RETV(rc, NULL);
/* Clear mapped memory, to avoid garbage while video mode is switching */
/* @todo: VIDEO_MODE_NO_ZERO_MEMORY does nothing in miniport's IOCTL_VIDEO_SET_CURRENT_MODE*/
memset(pDev->memInfo.FrameBufferBase, 0, pDev->mode.ulHeight * abs(pDev->mode.lScanlineStride));
/* Allocate memory for pointer attrs */
rc = VBoxDispInitPointerAttrs(pDev);
VBOX_WARNRC_RETV(rc, NULL);
/* Init VBVA */
rc = VBoxDispVBVAInit(pDev);
VBOX_WARNRC_RETV(rc, NULL);
/* Enable VBVA */
if (pDev->hgsmi.bSupported)
{
if (pDev->mode.ulBitsPerPel==16 || pDev->mode.ulBitsPerPel==24 || pDev->mode.ulBitsPerPel==32)
{
VBVABUFFER *pVBVA = (VBVABUFFER *)((uint8_t *)pDev->memInfo.VideoRamBase+pDev->layout.offVBVABuffer);
pDev->hgsmi.bSupported = VBoxVBVAEnable(&pDev->vbvaCtx, &pDev->hgsmi.ctx, pVBVA, -1);
LogRel(("VBoxDisp[%d]: VBVA %senabled\n", pDev->iDevice, pDev->hgsmi.bSupported? "":"not "));
}
}
/* Inform host */
if (pDev->hgsmi.bSupported)
{
VBoxHGSMIProcessDisplayInfo(&pDev->hgsmi.ctx, pDev->iDevice, pDev->orgDev.x, pDev->orgDev.y,
0, abs(pDev->mode.lScanlineStride), pDev->mode.ulWidth, pDev->mode.ulHeight,
(uint16_t)pDev->mode.ulBitsPerPel, VBVA_SCREEN_F_ACTIVE);
}
#ifdef VBOX_WITH_VIDEOHWACCEL
VBoxDispVHWAEnable(pDev);
#endif
/* Set device palette if needed */
if (pDev->mode.ulBitsPerPel == 8)
{
rc = VBoxDispSetPalette8BPP(pDev);
VBOX_WARNRC_RETV(rc, NULL);
}
pDev->orgDisp.x = 0;
pDev->orgDisp.y = 0;
/* Create GDI managed bitmap, which resides in our framebuffer memory */
ULONG iFormat;
SIZEL size;
switch (pDev->mode.ulBitsPerPel)
{
case 8:
{
iFormat = BMF_8BPP;
break;
}
case 16:
{
iFormat = BMF_16BPP;
break;
}
case 24:
{
iFormat = BMF_24BPP;
break;
}
case 32:
{
iFormat = BMF_32BPP;
break;
}
}
size.cx = pDev->mode.ulWidth;
size.cy = pDev->mode.ulHeight;
pDev->surface.hBitmap = EngCreateBitmap(size, pDev->mode.lScanlineStride, iFormat,
pDev->mode.lScanlineStride>0 ? BMF_TOPDOWN:0,
pDev->memInfo.FrameBufferBase);
if (!pDev->surface.hBitmap)
{
WARN(("EngCreateBitmap failed!"));
return NULL;
}
pDev->surface.psoBitmap = EngLockSurface((HSURF)pDev->surface.hBitmap);
/* Create device-managed surface */
pDev->surface.hSurface = EngCreateDeviceSurface((DHSURF)pDev, size, iFormat);
if (!pDev->surface.hSurface)
{
WARN(("EngCreateDeviceSurface failed!"));
VBoxDispDrvDisableSurface(dhpdev);
return NULL;
}
FLONG flHooks = HOOK_BITBLT|HOOK_TEXTOUT|HOOK_FILLPATH|HOOK_COPYBITS|HOOK_STROKEPATH|HOOK_LINETO|
HOOK_PAINT|HOOK_STRETCHBLT;
/* Associate created surface with our device */
if (!EngAssociateSurface(pDev->surface.hSurface, pDev->hDevGDI, flHooks))
{
WARN(("EngAssociateSurface failed!"));
VBoxDispDrvDisableSurface(dhpdev);
return NULL;
}
pDev->surface.ulFormat = iFormat;
pDev->flDrawingHooks = flHooks;
LOG(("Created surface %p for physical device %p", pDev->surface.hSurface, pDev));
LOGF_LEAVE();
return pDev->surface.hSurface;
}
VOID APIENTRY VBoxDispDrvDisableSurface(DHPDEV dhpdev)
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV)dhpdev;
LOGF_ENTER();
if (pDev->surface.hSurface)
{
EngDeleteSurface(pDev->surface.hSurface);
pDev->surface.hSurface = NULL;
}
if (pDev->surface.psoBitmap)
{
Assert(pDev->surface.hBitmap);
EngUnlockSurface(pDev->surface.psoBitmap);
pDev->surface.psoBitmap = NULL;
}
if (pDev->surface.hBitmap)
{
EngDeleteSurface((HSURF) pDev->surface.hBitmap);
pDev->surface.hBitmap = NULL;
}
int rc;
rc = VBoxDispMPUnmapMemory(pDev);
VBOX_WARNRC(rc);
LOGF_LEAVE();
}
BOOL APIENTRY
VBoxDispDrvRealizeBrush(BRUSHOBJ *pbo, SURFOBJ *psoTarget, SURFOBJ *psoPattern, SURFOBJ *psoMask,
XLATEOBJ *pxlo, ULONG iHatch)
{
BOOL bRc = FALSE;
LOGF_ENTER();
if (VBoxDispIsScreenSurface(psoTarget))
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV)psoTarget->dhpdev;
if (pDev->vbvaCtx.pVBVA && (pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents & VBVA_F_MODE_ENABLED))
{
if (pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents & VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET)
{
vrdpReset(pDev);
pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents &= ~VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
}
if (pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents & VBVA_F_MODE_VRDP)
{
bRc = vrdpDrvRealizeBrush(pbo, psoTarget, psoPattern, psoMask, pxlo, iHatch);
}
}
}
LOGF_LEAVE();
return bRc;
}
ULONG APIENTRY VBoxDispDrvDitherColor(DHPDEV dhpdev, ULONG iMode, ULONG rgb, ULONG *pul)
{
ULONG rc;
LOGF_ENTER();
/* There is no EngDitherColor on NT4, so take the easy path and tell the graphics
* engine to create a halftone approximation.
*/
rc = DCR_HALFTONE;
LOGF_LEAVE();
return rc;
}
/* Called to reset device to default mode or to mode specified with dhpdev */
BOOL APIENTRY VBoxDispDrvAssertMode(DHPDEV dhpdev, BOOL bEnable)
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV) dhpdev;
DWORD dwrc;
int rc;
LOGF_ENTER();
if (!bEnable)
{
LOGF(("!bEnable"));
#ifdef VBOX_WITH_VIDEOHWACCEL
/* tells we can not process host commands any more and ensures that
* we've completed processing of the host VHWA commands
*/
VBoxDispVHWADisable(pDev);
#endif
/* disable VBVA */
if (pDev->hgsmi.bSupported)
{
VBoxVBVADisable(&pDev->vbvaCtx, &pDev->hgsmi.ctx, -1);
}
/* reset the device to default mode */
rc = VBoxDispMPResetDevice(pDev->hDriver);
VBOX_WARNRC_RETV(rc, FALSE);
}
else
{
LOGF(("bEnable"));
/* switch device to previous pDev mode */
rc = VBoxDispMPSetCurrentMode(pDev->hDriver, pDev->mode.ulIndex);
VBOX_WARNRC_RETV(rc, NULL);
/* enable VBVA */
if (pDev->hgsmi.bSupported)
{
if (pDev->mode.ulBitsPerPel==16 || pDev->mode.ulBitsPerPel==24 || pDev->mode.ulBitsPerPel==32)
{
VBVABUFFER *pVBVA = (VBVABUFFER *)((uint8_t *)pDev->memInfo.VideoRamBase+pDev->layout.offVBVABuffer);
pDev->hgsmi.bSupported = VBoxVBVAEnable(&pDev->vbvaCtx, &pDev->hgsmi.ctx, pVBVA, -1);
LogRel(("VBoxDisp[%d]: VBVA %senabled\n", pDev->iDevice, pDev->hgsmi.bSupported? "":"not "));
}
}
/* inform host */
if (pDev->hgsmi.bSupported)
{
VBoxHGSMIProcessDisplayInfo(&pDev->hgsmi.ctx, pDev->iDevice, pDev->orgDev.x, pDev->orgDev.y,
0, abs(pDev->mode.lScanlineStride), pDev->mode.ulWidth, pDev->mode.ulHeight,
(uint16_t)pDev->mode.ulBitsPerPel, VBVA_SCREEN_F_ACTIVE);
}
#ifdef VBOX_WITH_VIDEOHWACCEL
/* tells we can process host commands */
VBoxDispVHWAEnable(pDev);
#endif
/* Associate back GDI bitmap residing in our framebuffer memory with GDI's handle to our device */
dwrc = EngAssociateSurface((HSURF)pDev->surface.hBitmap, pDev->hDevGDI, 0);
if (dwrc != NO_ERROR)
{
WARN(("EngAssociateSurface on bitmap failed with %#x", dwrc));
return FALSE;
}
/* Associate device managed surface with GDI's handle to our device */
dwrc = EngAssociateSurface(pDev->surface.hSurface, pDev->hDevGDI, pDev->flDrawingHooks);
if (dwrc != NO_ERROR)
{
WARN(("EngAssociateSurface on surface failed with %#x", dwrc));
return FALSE;
}
}
LOGF_LEAVE();
return TRUE;
}
ULONG APIENTRY VBoxDispDrvEscape(SURFOBJ *pso, ULONG iEsc, ULONG cjIn, PVOID pvIn, ULONG cjOut, PVOID pvOut)
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV)pso->dhpdev;
LOGF_ENTER();
switch (iEsc)
{
#ifdef VBOX_WITH_CROGL
case OPENGL_GETINFO:
{
if (pvOut && cjOut >= sizeof(OPENGL_INFO))
{
POPENGL_INFO pInfo = (POPENGL_INFO)pvOut;
pInfo->dwVersion = 2;
pInfo->dwDriverVersion = 1;
pInfo->szDriverName[0] = 'V';
pInfo->szDriverName[1] = 'B';
pInfo->szDriverName[2] = 'o';
pInfo->szDriverName[3] = 'x';
pInfo->szDriverName[4] = 'O';
pInfo->szDriverName[5] = 'G';
pInfo->szDriverName[6] = 'L';
pInfo->szDriverName[7] = 0;
LOG(("OPENGL_GETINFO ok"));
return cjOut;
}
else
{
WARN(("OPENGL_GETINFO invalid parms"));
return 0;
}
}
case QUERYESCSUPPORT:
{
if (pvIn && cjIn == sizeof(DWORD))
{
DWORD nEscapeQuery = *(DWORD *)pvIn;
if (nEscapeQuery==OPENGL_GETINFO)
{
LOG(("QUERYESCSUPPORT OPENGL_GETINFO"));
return 1;
}
else
{
LOG(("QUERYESCSUPPORT unsupported query %d", nEscapeQuery));
return 0;
}
}
else
{
WARN(("QUERYESCSUPPORT invalid parms"));
return 0;
}
}
#endif
case VBOXESC_ISVRDPACTIVE:
{
if (pDev && pDev->vbvaCtx.pVBVA && pDev->vbvaCtx.pVBVA->hostFlags.u32HostEvents&VBVA_F_MODE_VRDP)
{
LOGF(("VBOXESC_ISVRDPACTIVE: 1"));
return 1;
}
LOGF(("VBOXESC_ISVRDPACTIVE: 0"));
return 0;
}
case VBOXESC_SETVISIBLEREGION:
{
LOGF(("VBOXESC_SETVISIBLEREGION"));
LPRGNDATA lpRgnData = (LPRGNDATA)pvIn;
if (cjIn >= sizeof(RGNDATAHEADER)
&& pvIn
&& lpRgnData->rdh.dwSize == sizeof(RGNDATAHEADER)
&& lpRgnData->rdh.iType == RDH_RECTANGLES
&& cjIn == ((uint64_t)lpRgnData->rdh.nCount) * sizeof(RECT) + sizeof(RGNDATAHEADER))
{
DWORD i;
PRTRECT pRTRect;
int rc;
RECT *pRect = (RECT *)&lpRgnData->Buffer;
pRTRect = (PRTRECT) EngAllocMem(0, lpRgnData->rdh.nCount*sizeof(RTRECT), MEM_ALLOC_TAG);
if (!pRTRect)
{
WARN(("failed to allocate %d bytes", lpRgnData->rdh.nCount*sizeof(RTRECT)));
break;
}
for (i=0; i<lpRgnData->rdh.nCount; ++i)
{
LOG(("New visible rectangle (%d,%d) (%d,%d)",
pRect[i].left, pRect[i].bottom, pRect[i].right, pRect[i].top));
pRTRect[i].xLeft = pRect[i].left;
pRTRect[i].yBottom = pRect[i].bottom;
pRTRect[i].xRight = pRect[i].right;
pRTRect[i].yTop = pRect[i].top;
}
rc = VBoxDispMPSetVisibleRegion(pDev->hDriver, pRTRect, lpRgnData->rdh.nCount);
VBOX_WARNRC(rc);
EngFreeMem(pRTRect);
if (RT_SUCCESS(rc))
{
LOGF_LEAVE();
return 1;
}
}
else
{
if (pvIn)
{
WARN(("check failed rdh.dwSize=%x iType=%d size=%d expected size=%d",
lpRgnData->rdh.dwSize, lpRgnData->rdh.iType, cjIn,
lpRgnData->rdh.nCount * sizeof(RECT) + sizeof(RGNDATAHEADER)));
}
}
break;
}
default:
{
LOG(("unsupported iEsc %#x", iEsc));
}
}
LOGF_LEAVE();
return 0;
}
#define FB_OFFSET(_dev, _x, _y) ((_y)*pDev->mode.lScanlineStride) + ((_x)*((pDev->mode.ulBitsPerPel+1)/8))
/* Obsolete, NT4 specific. Called to set display offset in virtual desktop */
BOOL APIENTRY VBoxDispDrvOffset(SURFOBJ* pso, LONG x, LONG y, FLONG flReserved)
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV)pso->dhpdev;
LOGF(("%x %x %x\n", x, y, flReserved));
pDev->memInfo.FrameBufferBase = ((BYTE*)pDev->memInfo.VideoRamBase) + pDev->layout.offFramebuffer
- FB_OFFSET(pDev, x, y);
pDev->orgDisp.x = x;
pDev->orgDisp.y = y;
LOGF_LEAVE();
return TRUE;
}
/* Called to notify driver about various events */
VOID APIENTRY VBoxDispDrvNotify(SURFOBJ *pso, ULONG iType, PVOID pvData)
{
PVBOXDISPDEV pDev = (PVBOXDISPDEV)pso->dhpdev;
LOGF_ENTER();
switch (iType)
{
case DN_DEVICE_ORIGIN:
{
/*device origin in dualview*/
POINTL *pOrg = (POINTL *)pvData;
if (pOrg)
{
LOG(("DN_DEVICE_ORIGIN (pso=%p, pDev[%d]=%p) old=%d,%d new=%d,%d",
pso, pDev->iDevice, pDev, pDev->orgDev.x, pDev->orgDev.y, pOrg->x, pOrg->y));
if (pDev->orgDev.x!=pOrg->x || pDev->orgDev.y!=pOrg->y)
{
pDev->orgDev = *pOrg;
/* Inform host about display change */
VBoxHGSMIProcessDisplayInfo(&pDev->hgsmi.ctx, pDev->iDevice, pDev->orgDev.x, pDev->orgDev.y,
0, abs(pDev->mode.lScanlineStride),
pDev->mode.ulWidth, pDev->mode.ulHeight,
(uint16_t)pDev->mode.ulBitsPerPel, VBVA_SCREEN_F_ACTIVE);
}
}
else
{
WARN(("DN_DEVICE_ORIGIN pvData==NULL"));
}
break;
}
case DN_DRAWING_BEGIN:
{
/*first drawing op is about to happen for this device*/
LOG(("DN_DRAWING_BEGIN (pso=%p, pDev[%d]=%p)", pso, pDev->iDevice, pDev));
break;
}
default:
{
LOG(("unknown iType=%#x", iType));
}
}
LOGF_LEAVE();
return;
}