HSURF DrvEnableSurface(
DHPDEV dhpdev)
{
PPDEV ppdev;
HSURF hsurf;
SIZEL sizl;
ULONG ulBitmapType;
FLONG flHooks;
// Create engine bitmap around frame buffer.
ppdev = (PPDEV) dhpdev;
if (!bInitSURF(ppdev, TRUE))
{
RIP("DISP DrvEnableSurface failed bInitSURF\n");
return(FALSE);
}
sizl.cx = ppdev->cxScreen;
sizl.cy = ppdev->cyScreen;
// eVb: 1.3 [VGARISC Change] - Disable dynamic palette and > 4BPP support
#if 0
if (ppdev->ulBitCount == 8)
{
if (!bInit256ColorPalette(ppdev)) {
RIP("DISP DrvEnableSurface failed to init the 8bpp palette\n");
return(FALSE);
}
ulBitmapType = BMF_8BPP;
flHooks = HOOKS_BMF8BPP;
}
else if (ppdev->ulBitCount == 16)
{
ulBitmapType = BMF_16BPP;
flHooks = HOOKS_BMF16BPP;
}
else if (ppdev->ulBitCount == 24)
{
ulBitmapType = BMF_24BPP;
flHooks = HOOKS_BMF24BPP;
}
else
{
ulBitmapType = BMF_32BPP;
flHooks = HOOKS_BMF32BPP;
}
// eVb: 1.3 [DDK Change] - Support new VGA Miniport behavior w.r.t updated framebuffer remapping
ppdev->flHooks = flHooks;
// eVb: 1.3 [END]
#else
ulBitmapType = BMF_4BPP;
#endif
// eVb: 1.3 [END]
// eVb: 1.4 [DDK Change] - Use EngCreateDeviceSurface instead of EngCreateBitmap
hsurf = (HSURF)EngCreateDeviceSurface((DHSURF)ppdev,
sizl,
ulBitmapType);
if (hsurf == (HSURF) 0)
{
RIP("DISP DrvEnableSurface failed EngCreateDeviceSurface\n");
return(FALSE);
}
// eVb: 1.4 [END]
// eVb: 1.5 [DDK Change] - Use EngModifySurface instead of EngAssociateSurface
if ( !EngModifySurface(hsurf,
ppdev->hdevEng,
ppdev->flHooks | HOOK_SYNCHRONIZE,
MS_NOTSYSTEMMEMORY,
(DHSURF)ppdev,
ppdev->pjScreen,
ppdev->lDeltaScreen,
NULL))
{
RIP("DISP DrvEnableSurface failed EngModifySurface\n");
return(FALSE);
}
// eVb: 1.5 [END]
ppdev->hsurfEng = hsurf;
// eVb: 1.4 [VGARISC Change] - Allocate 4BPP DIB that will store GDI drawing
HSURF hSurfBitmap;
hSurfBitmap = (HSURF)EngCreateBitmap(sizl, 0, ulBitmapType, 0, NULL);
if (hSurfBitmap == (HSURF) 0)
{
RIP("DISP DrvEnableSurface failed EngCreateBitmap\n");
return(FALSE);
}
if ( !EngModifySurface(hSurfBitmap,
ppdev->hdevEng,
ppdev->flHooks | HOOK_SYNCHRONIZE,
MS_NOTSYSTEMMEMORY,
(DHSURF)ppdev,
ppdev->pjScreen,
ppdev->lDeltaScreen,
NULL))
{
RIP("DISP DrvEnableSurface failed second EngModifySurface\n");
return(FALSE);
}
ppdev->pso = EngLockSurface(hSurfBitmap);
if (ppdev->pso == NULL)
{
RIP("DISP DrvEnableSurface failed EngLockSurface\n");
return(FALSE);
}
// eVb: 1.4 [END]
return(hsurf);
}
/* 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;
}
HSURF DrvEnableSurface(
DHPDEV dhpdev)
{
PDEV* ppdev;
HSURF hsurfShadow;
HSURF hsurfDevice;
SIZEL sizl;
ppdev = (PDEV*) dhpdev;
/////////////////////////////////////////////////////////////////////
// Have GDI create the actual SURFOBJ.
//
// Our drawing surface is going to be 'device-managed', meaning that
// GDI cannot draw on the framebuffer bits directly, and as such we
// create the surface via EngCreateSurface. By doing this, we ensure
// that GDI will only ever access the bitmaps bits via the Drv calls
// that we've HOOKed.
sizl.cx = ppdev->cxScreen;
sizl.cy = ppdev->cyScreen;
hsurfDevice = EngCreateDeviceSurface(NULL, sizl, ppdev->iBitmapFormat);
if (hsurfDevice == 0)
{
DISPDBG((0, "DrvEnableSurface - Failed EngCreateSurface"));
goto ReturnFailure;
}
ppdev->hsurfScreen = hsurfDevice; // Remember it for clean-up
/////////////////////////////////////////////////////////////////////
// Now associate the surface and the PDEV.
//
// We have to associate the surface we just created with our physical
// device so that GDI can get information related to the PDEV when
// it's drawing to the surface (such as, for example, the length of
// styles on the device when simulating styled lines).
//
if (!EngAssociateSurface(hsurfDevice, ppdev->hdevEng, ppdev->flHooks))
{
DISPDBG((0, "DrvEnableSurface - Failed EngAssociateSurface"));
goto ReturnFailure;
}
// Create the 4bpp DIB on which we'll have GDI do all the drawing.
// We'll merely occasionally blt portions to the screen to update.
sizl.cx = ppdev->cxScreen;
sizl.cy = ppdev->cyScreen;
hsurfShadow = (HSURF) EngCreateBitmap(sizl, 0, ppdev->iBitmapFormat, 0,
NULL);
if (hsurfShadow == 0)
goto ReturnFailure;
if (!EngAssociateSurface(hsurfShadow, ppdev->hdevEng, ppdev->flHooks))
{
DISPDBG((0, "DrvEnableSurface - Failed second EngAssociateSurface"));
goto ReturnFailure;
}
ppdev->pso = EngLockSurface(hsurfShadow);
if (ppdev->pso == NULL)
goto ReturnFailure;
/////////////////////////////////////////////////////////////////////
// Now enable all the subcomponents.
//
// Note that the order in which these 'Enable' functions are called
// may be significant in low off-screen memory conditions, because
// the off-screen heap manager may fail some of the later
// allocations...
if (!bEnableHardware(ppdev))
goto ReturnFailure;
DISPDBG((5, "Passed DrvEnableSurface"));
return(hsurfDevice);
ReturnFailure:
DrvDisableSurface((DHPDEV) ppdev);
DISPDBG((0, "Failed DrvEnableSurface"));
return(0);
}
HSURF NTAPI DrvEnableSurface(
DHPDEV dhpdev)
{
PPDEV ppdev;
HSURF hsurf;
SIZEL sizl;
ULONG ulBitmapType;
FLONG flHooks;
// Create engine bitmap around frame buffer.
ppdev = (PPDEV) dhpdev;
if (!bInitSURF(ppdev, TRUE))
{
RIP("DISP DrvEnableSurface failed bInitSURF\n");
return(FALSE);
}
sizl.cx = ppdev->cxScreen;
sizl.cy = ppdev->cyScreen;
if (ppdev->ulBitCount == 8)
{
if (!bInit256ColorPalette(ppdev)) {
RIP("DISP DrvEnableSurface failed to init the 8bpp palette\n");
return(FALSE);
}
ulBitmapType = BMF_8BPP;
flHooks = HOOKS_BMF8BPP;
}
else if (ppdev->ulBitCount == 16)
{
ulBitmapType = BMF_16BPP;
flHooks = HOOKS_BMF16BPP;
}
else if (ppdev->ulBitCount == 24)
{
ulBitmapType = BMF_24BPP;
flHooks = HOOKS_BMF24BPP;
}
else
{
ulBitmapType = BMF_32BPP;
flHooks = HOOKS_BMF32BPP;
}
// eVb: 1.3 [DDK Change] - Support new VGA Miniport behavior w.r.t updated framebuffer remapping
ppdev->flHooks = flHooks;
// eVb: 1.3 [END]
// eVb: 1.4 [DDK Change] - Use EngCreateDeviceSurface instead of EngCreateBitmap
hsurf = (HSURF)EngCreateDeviceSurface((DHSURF)ppdev,
sizl,
ulBitmapType);
if (hsurf == (HSURF) 0)
{
RIP("DISP DrvEnableSurface failed EngCreateDeviceSurface\n");
return(FALSE);
}
// eVb: 1.4 [END]
// eVb: 1.5 [DDK Change] - Use EngModifySurface instead of EngAssociateSurface
if ( !EngModifySurface(hsurf,
ppdev->hdevEng,
ppdev->flHooks | HOOK_SYNCHRONIZE,
MS_NOTSYSTEMMEMORY,
(DHSURF)ppdev,
ppdev->pjScreen,
ppdev->lDeltaScreen,
NULL))
{
RIP("DISP DrvEnableSurface failed EngModifySurface\n");
return(FALSE);
}
// eVb: 1.5 [END]
ppdev->hsurfEng = hsurf;
return(hsurf);
}
HSURF DrvEnableSurface(DHPDEV dhpdev)
{
PPDEV ppdev;
PDEVSURF pdsurf;
DHSURF dhsurf;
HSURF hsurf;
DISPDBG((2, "enabling Surface\n"));
ppdev = (PPDEV) dhpdev;
//
// Initialize the VGA device into the selected mode which will also map
// the video frame buffer
//
if (!bInitVGA(ppdev, TRUE))
{
goto error_done;
}
dhsurf = (DHSURF) EngAllocMem(0, sizeof(DEVSURF), ALLOC_TAG);
if (dhsurf == (DHSURF) 0)
{
goto error_done;
}
pdsurf = (PDEVSURF) dhsurf;
pdsurf->ident = DEVSURF_IDENT;
pdsurf->flSurf = 0;
pdsurf->iFormat = BMF_PHYSDEVICE;
pdsurf->jReserved1 = 0;
pdsurf->jReserved2 = 0;
pdsurf->ppdev = ppdev;
pdsurf->sizlSurf.cx = ppdev->sizlSurf.cx;
pdsurf->sizlSurf.cy = ppdev->sizlSurf.cy;
pdsurf->lNextPlane = 0;
pdsurf->pvScan0 = ppdev->pjScreen;
pdsurf->pvBitmapStart = ppdev->pjScreen;
pdsurf->pvStart = ppdev->pjScreen;
pdsurf->pvConv = &ajConvertBuffer[0];
// Initialize pointer information.
//
// bInitPointer must be called before bInitSavedBits.
//
if (!bInitPointer(ppdev)) {
DISPDBG((0, "DrvEnablePDEV failed bInitPointer\n"));
goto error_clean;
}
if (!SetUpBanking(pdsurf, ppdev)) {
DISPDBG((0, "DrvEnablePDEV failed SetUpBanking\n"));
goto error_clean;
}
if ((hsurf = EngCreateDeviceSurface(dhsurf, ppdev->sizlSurf, BMF_4BPP)) ==
(HSURF) 0)
{
DISPDBG((0, "DrvEnablePDEV failed EngCreateDeviceSurface\n"));
goto error_clean;
}
//
// vInitSavedBits must be called after bInitPointer.
//
vInitSavedBits(ppdev);
if (EngAssociateSurface(hsurf, ppdev->hdevEng,
HOOK_BITBLT | HOOK_TEXTOUT | HOOK_STROKEPATH |
HOOK_COPYBITS | HOOK_PAINT | HOOK_FILLPATH
))
{
ppdev->hsurfEng = hsurf;
ppdev->pdsurf = pdsurf;
// Set up an empty saved screen block list
pdsurf->ssbList = NULL;
DISPDBG((2, "enabled surface\n"));
return(hsurf);
}
DISPDBG((0, "DrvEnablePDEV failed EngDeleteSurface\n"));
EngDeleteSurface(hsurf);
error_clean:
// We created the surface, so delete it
EngFreeMem(dhsurf);
error_done:
return((HSURF) 0);
}