DECLINLINE(uint32_t) VBoxMPAdjustBpp(uint32_t bpp)
{
if (VBoxMPIsSupportedBpp(bpp))
return bpp;
Assert(g_aVBoxVidModesSupportedBpps[0] == 32);
return g_aVBoxVidModesSupportedBpps[0];
}
static void
VBoxWddmBuildVideoModesInfo(PVBOXMP_DEVEXT pExt, D3DDDI_VIDEO_PRESENT_TARGET_ID VidPnTargetId,
PVBOXWDDM_VIDEOMODES_INFO pModes, VIDEO_MODE_INFORMATION *paAddlModes,
UINT cAddlModes)
{
pModes->cResolutions = RT_ELEMENTS(pModes->aResolutions);
/* Add default modes and ones read from registry. */
pModes->cModes = VBoxMPFillModesTable(pExt, VidPnTargetId, pModes->aModes, RT_ELEMENTS(pModes->aModes), &pModes->iPreferredMode);
Assert(pModes->cModes<=RT_ELEMENTS(pModes->aModes));
if (!VBoxMPIsStartingUp(pExt, VidPnTargetId))
{
/* make sure we keep the current mode to avoid mode flickering */
PVBOXWDDM_ALLOC_DATA pAllocData = pExt->aSources[VidPnTargetId].pPrimaryAllocation ?
&pExt->aSources[VidPnTargetId].pPrimaryAllocation->AllocData
: &pExt->aSources[VidPnTargetId].AllocData;
if (pModes->cModes < RT_ELEMENTS(pModes->aModes))
{
/* VBox WDDM driver does not allow 24 modes since OS could choose the 24bit mode as default in that case,
* the pExt->aSources[iDisplay].AllocData.SurfDesc.bpp could be initially 24 though,
* i.e. when driver occurs the current mode on driver load via DxgkCbAcquirePostDisplayOwnership
* and until driver reports the supported modes
* This is true for Win8 Display-Only driver currently since DxgkCbAcquirePostDisplayOwnership is only used by it
*
* This is why we check the bpp to be supported here and add the current mode to the list only in that case */
if (VBoxMPIsSupportedBpp(pAllocData->SurfDesc.bpp))
{
int foundIdx;
VBoxFillVidModeInfo(&pModes->aModes[pModes->cModes], pAllocData->SurfDesc.width, pAllocData->SurfDesc.height, pAllocData->SurfDesc.bpp, 1/*index*/, 0);
if ((foundIdx=VBoxMPFindVideoMode(pModes->aModes, pModes->cModes, &pModes->aModes[pModes->cModes]))>=0)
{
pModes->iPreferredMode = foundIdx;
}
else
{
pModes->iPreferredMode = pModes->cModes;
++pModes->cModes;
}
#ifdef VBOX_WITH_8BPP_MODES
int bytesPerPixel=1;
#else
int bytesPerPixel=2;
#endif
for (; bytesPerPixel<=4; bytesPerPixel++)
{
int bpp = 8*bytesPerPixel;
if (bpp == pAllocData->SurfDesc.bpp)
continue;
if (!VBoxMPValidateVideoModeParamsGuest(pExt, VidPnTargetId,
pAllocData->SurfDesc.width, pAllocData->SurfDesc.height,
bpp))
continue;
if (pModes->cModes >= RT_ELEMENTS(pModes->aModes))
{
WARN(("ran out of video modes 2"));
break;
}
VBoxFillVidModeInfo(&pModes->aModes[pModes->cModes],
pAllocData->SurfDesc.width, pAllocData->SurfDesc.height,
bpp, pModes->cModes, 0);
if (VBoxMPFindVideoMode(pModes->aModes, pModes->cModes, &pModes->aModes[pModes->cModes]) < 0)
{
++pModes->cModes;
}
}
}
}
else
{
WARN(("ran out of video modes 1"));
}
}
/* Check if there's a pending display change request for this adapter */
VIDEO_MODE_INFORMATION specialMode;
if (VBoxMPCheckPendingVideoMode(pExt, &specialMode) && (specialMode.ModeIndex==VidPnTargetId))
{
/*Minor hack, ModeIndex!=0 Means this mode has been validated already and not just read from registry */
specialMode.ModeIndex = 1;
memcpy(&g_CustomVideoModes[VidPnTargetId], &specialMode, sizeof(VIDEO_MODE_INFORMATION));
/* Save mode to registry */
VBoxMPRegSaveModeInfo(pExt, VidPnTargetId, &specialMode);
}
/* Validate the mode which has been read from registry */
if (!g_CustomVideoModes[VidPnTargetId].ModeIndex)
{
uint32_t xres, yres, bpp;
xres = g_CustomVideoModes[VidPnTargetId].VisScreenWidth;
yres = g_CustomVideoModes[VidPnTargetId].VisScreenHeight;
bpp = g_CustomVideoModes[VidPnTargetId].BitsPerPlane;
if (VBoxMPValidateVideoModeParams(pExt, VidPnTargetId, xres, yres, bpp))
{
VBoxFillVidModeInfo(&g_CustomVideoModes[VidPnTargetId], xres, yres, bpp, 1/*index*/, 0);
Assert(g_CustomVideoModes[VidPnTargetId].ModeIndex == 1);
}
}
/* Add custom mode to the table */
if (g_CustomVideoModes[VidPnTargetId].ModeIndex)
{
if (RT_ELEMENTS(pModes->aModes) > pModes->cModes)
{
g_CustomVideoModes[VidPnTargetId].ModeIndex = pModes->cModes;
pModes->aModes[pModes->cModes] = g_CustomVideoModes[VidPnTargetId];
/* Check if we already have this mode in the table */
int foundIdx;
if ((foundIdx=VBoxMPFindVideoMode(pModes->aModes, pModes->cModes, &pModes->aModes[pModes->cModes]))>=0)
{
pModes->iPreferredMode = foundIdx;
}
else
{
pModes->iPreferredMode = pModes->cModes;
++pModes->cModes;
}
/* Add other bpp modes for this custom resolution */
#ifdef VBOX_WITH_8BPP_MODES
UINT bpp=8;
#else
UINT bpp=16;
#endif
for (; bpp<=32; bpp+=8)
{
if (RT_ELEMENTS(pModes->aModes) == pModes->cModes)
{
WARN(("table full, can't add other bpp for specail mode!"));
#ifdef DEBUG_misha
/* this is definitely something we do not expect */
AssertFailed();
#endif
break;
}
AssertRelease(RT_ELEMENTS(pModes->aModes) > pModes->cModes); /* if not - the driver state is screwed up, @todo: better do KeBugCheckEx here */
if (pModes->aModes[pModes->iPreferredMode].BitsPerPlane == bpp)
continue;
if (!VBoxMPValidateVideoModeParamsGuest(pExt, VidPnTargetId,
pModes->aModes[pModes->iPreferredMode].VisScreenWidth,
pModes->aModes[pModes->iPreferredMode].VisScreenHeight,
bpp))
continue;
VBoxFillVidModeInfo(&pModes->aModes[pModes->cModes],
pModes->aModes[pModes->iPreferredMode].VisScreenWidth,
pModes->aModes[pModes->iPreferredMode].VisScreenHeight,
bpp, pModes->cModes, 0);
if (VBoxMPFindVideoMode(pModes->aModes, pModes->cModes, &pModes->aModes[pModes->cModes]) < 0)
{
++pModes->cModes;
}
}
}
else
{
AssertRelease(RT_ELEMENTS(pModes->aModes) == pModes->cModes); /* if not - the driver state is screwed up, @todo: better do KeBugCheckEx here */
WARN(("table full, can't add video mode for a host request!"));
#ifdef DEBUG_misha
/* this is definitely something we do not expect */
AssertFailed();
#endif
}
}
/* Check and Add additional modes passed in paAddlModes */
for (UINT i=0; i<cAddlModes; ++i)
{
if (RT_ELEMENTS(pModes->aModes) == pModes->cModes)
{
WARN(("table full, can't add addl modes!"));
#ifdef DEBUG_misha
/* this is definitely something we do not expect */
AssertFailed();
#endif
break;
}
AssertRelease(RT_ELEMENTS(pModes->aModes) > pModes->cModes); /* if not - the driver state is screwed up, @todo: better do KeBugCheckEx here */
if (!pExt->fAnyX)
{
paAddlModes[i].VisScreenWidth &= 0xFFF8;
}
if (VBoxLikesVideoMode(VidPnTargetId, paAddlModes[i].VisScreenWidth, paAddlModes[i].VisScreenHeight, paAddlModes[i].BitsPerPlane))
{
int foundIdx;
if ((foundIdx=VBoxMPFindVideoMode(pModes->aModes, pModes->cModes, &paAddlModes[i]))>=0)
{
pModes->iPreferredMode = foundIdx;
}
else
{
memcpy(&pModes->aModes[pModes->cModes], &paAddlModes[i], sizeof(VIDEO_MODE_INFORMATION));
pModes->aModes[pModes->cModes].ModeIndex = pModes->cModes;
++pModes->cModes;
}
}
}
/* Build resolution table */
VBoxWddmBuildResolutionTableForModes(pModes);
}
