VBoxMPVidModes.cpp revision b0a3d0ec5780199a2f379da63c59ccf48f1a73b9
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * VBox Miniport video modes related functions
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Copyright (C) 2011 Oracle Corporation
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * available from http://www.virtualbox.org. This file is free software;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * you can redistribute it and/or modify it under the terms of the GNU
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * General Public License (GPL) as published by the Free Software
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#if _MSC_VER >= 1400 /* bird: MS fixed swprintf to be standard-conforming... */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncextern "C" int __cdecl swprintf(wchar_t *, const wchar_t *, ...);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Custom video modes which are being read from registry at driver startup. */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncstatic VIDEO_MODE_INFORMATION g_CustomVideoModes[64] = { 0 };
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Standart video modes list.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Additional space is reserved for custom video modes for 64 guest monitors.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * The custom video mode index is alternating and 2 indexes are reserved for the last custom mode.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncstatic VIDEO_MODE_INFORMATION g_VideoModes[VBOXMP_MAX_VIDEO_MODES + 64 + 2] = { 0 };
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Number of available video modes, set by VBoxMPCmnBuildVideoModesTable. */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Fills given video mode BPP related fields */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncVBoxFillVidModeBPP(VIDEO_MODE_INFORMATION *pMode, ULONG bitsR, ULONG bitsG, ULONG bitsB,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Fills given video mode structure */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncVBoxFillVidModeInfo(VIDEO_MODE_INFORMATION *pMode, ULONG xres, ULONG yres, ULONG bpp, ULONG index, ULONG yoffset)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync LOGF(("%dx%d:%d (idx=%d, yoffset=%d)", xres, yres, bpp, index, yoffset));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /*Common entries*/
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync pMode->AttributeFlags = VIDEO_MODE_GRAPHICS | VIDEO_MODE_COLOR | VIDEO_MODE_NO_OFF_SCREEN;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /*BPP related entries*/
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync pMode->AttributeFlags |= VIDEO_MODE_PALETTE_DRIVEN | VIDEO_MODE_MANAGED_PALETTE;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync VBoxFillVidModeBPP(pMode, 5, 6, 5, 0xF800, 0x7E0, 0x1F);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync VBoxFillVidModeBPP(pMode, 8, 8, 8, 0xFF0000, 0xFF00, 0xFF);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncvoid VBoxMPCmnInitCustomVideoModes(PVBOXMP_DEVEXT pExt)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Initialize all custom modes to the 800x600x32 */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync VBoxFillVidModeInfo(&g_CustomVideoModes[0], 800, 600, 32, 0, 0);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync for (iMode=1; iMode<RT_ELEMENTS(g_CustomVideoModes); ++iMode)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Read stored custom resolution info from registry */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync for (iMode=0; iMode<VBoxCommonFromDeviceExt(pExt)->cDisplays; ++iMode)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync uint32_t CustomXRes = 0, CustomYRes = 0, CustomBPP = 0;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /*First name without a suffix*/
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegQueryDword(Registry, L"CustomXRes", &CustomXRes);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegQueryDword(Registry, L"CustomYRes", &CustomYRes);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegQueryDword(Registry, L"CustomBPP", &CustomBPP);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegQueryDword(Registry, keyname, &CustomXRes);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegQueryDword(Registry, keyname, &CustomYRes);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegQueryDword(Registry, keyname, &CustomBPP);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync LOG(("got stored custom resolution[%d] %dx%dx%d", iMode, CustomXRes, CustomYRes, CustomBPP));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync CustomXRes = g_CustomVideoModes[iMode].VisScreenWidth;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync CustomYRes = g_CustomVideoModes[iMode].VisScreenHeight;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync CustomBPP = g_CustomVideoModes[iMode].BitsPerPlane;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync VBoxFillVidModeInfo(&g_CustomVideoModes[iMode], CustomXRes, CustomYRes, CustomBPP, 0, 0);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncVIDEO_MODE_INFORMATION *VBoxMPCmnGetCustomVideoModeInfo(ULONG ulIndex)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync return (ulIndex<RT_ELEMENTS(g_CustomVideoModes)) ? &g_CustomVideoModes[ulIndex] : NULL;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncVIDEO_MODE_INFORMATION* VBoxMPCmnGetVideoModeInfo(ULONG ulIndex)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync return (ulIndex<RT_ELEMENTS(g_VideoModes)) ? &g_VideoModes[ulIndex] : NULL;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncstatic bool VBoxMPVideoModesMatch(const PVIDEO_MODE_INFORMATION pMode1, const PVIDEO_MODE_INFORMATION pMode2)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync return pMode1->VisScreenHeight == pMode2->VisScreenHeight
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync && pMode1->VisScreenWidth == pMode2->VisScreenWidth
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncVBoxMPFindVideoMode(const PVIDEO_MODE_INFORMATION pModesTable, int cModes, const PVIDEO_MODE_INFORMATION pMode)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync for (int i = 0; i < cModes; ++i)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Helper function to dynamically build our table of standard video
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * modes. We take the amount of VRAM and create modes with standard
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * geometries until we've either reached the maximum number of modes
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * or the available VRAM does not allow for additional modes.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * We also check registry for manually added video modes.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Returns number of modes added to the table.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncVBoxMPFillModesTable(PVBOXMP_DEVEXT pExt, int iDisplay, PVIDEO_MODE_INFORMATION pModesTable, size_t tableSize,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* the resolution matrix */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* standard modes */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* multi screen modes with 1280x1024 */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* multi screen modes with 1600x1200 */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ULONG vramSize = pExt->pPrimary->u.primary.ulMaxFrameBufferSize;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ULONG vramSize = vboxWddmVramCpuVisibleSegmentSize(pExt);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* at least two surfaces will be needed: primary & shadow */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync vramSize /= 2 * pExt->u.primary.commonInfo.cDisplays;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* there are 4 color depths: 8, 16, 24 and 32bpp and we reserve 50% of the modes for other sources */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync size_t maxModesPerColorDepth = VBOXMP_MAX_VIDEO_MODES / 2 / 4;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Always add 800x600 video modes. Windows XP+ needs at least 800x600 resolution
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * and fallbacks to 800x600x4bpp VGA mode if the driver did not report suitable modes.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * This resolution could be rejected by a low resolution host (netbooks, etc).
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* we don't have enough VRAM for this mode */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync VBoxFillVidModeInfo(&pModesTable[iMode], 800, 600, bitsPerPixel, iMode+1, 0);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Query yoffset from the host */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Iterate through our static resolution table and add supported video modes for different bpp's */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync for (cAdded=0, resIndex=0; resIndex<RT_ELEMENTS(resolutionMatrix) && cAdded<maxModesPerColorDepth; resIndex++)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (resolutionMatrix[resIndex].xRes * resolutionMatrix[resIndex].yRes * bytesPerPixel > (LONG)vramSize)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* we don't have enough VRAM for this mode */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (yOffset == 0 && resolutionMatrix[resIndex].xRes == 800 && resolutionMatrix[resIndex].yRes == 600)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* this mode was already added */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (!VBoxLikesVideoMode(iDisplay, resolutionMatrix[resIndex].xRes, resolutionMatrix[resIndex].yRes - yOffset, bitsPerPixel))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* host doesn't like this mode */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Sanity check, we shouldn't ever get here */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync VBoxFillVidModeInfo(&pModesTable[iMode], resolutionMatrix[resIndex].xRes, resolutionMatrix[resIndex].yRes, bitsPerPixel, iMode+1, yOffset);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Check registry for manually added modes, up to 128 entries is supported
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Give up on the first error encountered.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync WARN(("ignoring possible custom mode(s), table is full!"));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegQueryDword(Registry, keyname, &xres);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegQueryDword(Registry, keyname, &yres);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegQueryDword(Registry, keyname, &bpp);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync LOG(("got custom mode[%u]=%ux%u:%u", curKey, xres, yres, bpp));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* round down width to be a multiple of 8 if necessary */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* incorrect values */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* does it fit within our VRAM? */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* we don't have enough VRAM for this mode */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (!VBoxLikesVideoMode(iDisplay, xres, yres, bpp))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* host doesn't like this mode */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync VBoxFillVidModeInfo(&pModesTable[iMode], xres, yres, bpp, iMode+1, yOffset);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /*check if the same mode has been added to the table already*/
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int foundIdx = VBoxMPFindVideoMode(pModesTable, iMode, &pModesTable[iMode]);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Returns if we're in the first mode change, ie doesn't have valid video mode set yet */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncstatic BOOLEAN VBoxMPIsStartingUp(PVBOXMP_DEVEXT pExt, uint32_t iDisplay)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync return (!VBoxCommonFromDeviceExt(pExt)->cDisplays || !pExt->aSources[iDisplay].pPrimaryAllocation);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Updates missing video mode params with current values,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Checks if resulting mode is liked by the host and fits into VRAM.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Returns TRUE if resulting mode could be used.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncVBoxMPValidateVideoModeParams(PVBOXMP_DEVEXT pExt, uint32_t iDisplay, uint32_t &xres, uint32_t &yres, uint32_t &bpp)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Make sure all important video mode values are set */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Use stored custom values only if nothing was read from host. */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xres = xres ? xres:g_CustomVideoModes[iDisplay].VisScreenWidth;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync yres = yres ? yres:g_CustomVideoModes[iDisplay].VisScreenHeight;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync bpp = bpp ? bpp :g_CustomVideoModes[iDisplay].BitsPerPlane;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Use current values for field which weren't read from host. */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xres = xres ? xres:pExt->aSources[iDisplay].pPrimaryAllocation->SurfDesc.width;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync yres = yres ? yres:pExt->aSources[iDisplay].pPrimaryAllocation->SurfDesc.height;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync bpp = bpp ? bpp :pExt->aSources[iDisplay].pPrimaryAllocation->SurfDesc.bpp;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Round down width to be a multiple of 8 if necessary */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* We always need bpp to be set */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Check if host likes this mode */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (!VBoxLikesVideoMode(iDisplay, xres, yres, bpp))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync WARN(("host does not like special mode %dx%d:%d for display %d", xres, yres, bpp, iDisplay));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ULONG vramSize = pExt->pPrimary->u.primary.ulMaxFrameBufferSize;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ULONG vramSize = vboxWddmVramCpuVisibleSegmentSize(pExt);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* at least two surfaces will be needed: primary & shadow */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync vramSize /= 2 * pExt->u.primary.commonInfo.cDisplays;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Check that values are valid and mode fits into VRAM */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync LOG(("invalid params for special mode %dx%d:%d", xres, yres, bpp));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Store values of last reported release log message to avoid log flooding. */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync static uint32_t s_xresNoVRAM=0, s_yresNoVRAM=0, s_bppNoVRAM=0;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync LOG(("not enough VRAM for video mode %dx%dx%dbpp. Available: %d bytes. Required: more than %d bytes.",
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync xres, yres, bpp, vramSize, xres * yres * (bpp / 8)));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Checks if there's a pending video mode change hint,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * and fills pPendingMode with associated info.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * returns TRUE if there's a pending change. Otherwise returns FALSE.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncVBoxMPCheckPendingVideoMode(PVBOXMP_DEVEXT pExt, PVIDEO_MODE_INFORMATION pPendingMode)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Check if there's a pending display change request for this display */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (VBoxQueryDisplayRequest(&xres, &yres, &bpp, &display) && (xres || yres || bpp))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /*display = RT_ELEMENTS(g_CustomVideoModes) - 1;*/
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Correct video mode params and check if host likes it */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (VBoxMPValidateVideoModeParams(pExt, display, xres, yres, bpp))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync VBoxFillVidModeInfo(pPendingMode, xres, yres, bpp, display, 0);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Save custom mode info to registry */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncstatic void VBoxMPRegSaveModeInfo(PVBOXMP_DEVEXT pExt, uint32_t iDisplay, PVIDEO_MODE_INFORMATION pMode)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /*First name without a suffix*/
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegSetDword(Registry, L"CustomXRes", pMode->VisScreenWidth);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegSetDword(Registry, L"CustomYRes", pMode->VisScreenHeight);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegSetDword(Registry, L"CustomBPP", pMode->BitsPerPlane);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegSetDword(Registry, keyname, pMode->VisScreenWidth);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegSetDword(Registry, keyname, pMode->VisScreenHeight);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync rc = VBoxMPCmnRegSetDword(Registry, keyname, pMode->BitsPerPlane);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncVIDEO_MODE_INFORMATION* VBoxMPXpdmCurrentVideoMode(PVBOXMP_DEVEXT pExt)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync return VBoxMPCmnGetVideoModeInfo(pExt->CurrentMode - 1);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Makes a table of video modes consisting of:
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Default modes
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Custom modes manually added to registry
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Custom modes for all displays (either from a display change hint or stored in registry)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * 2 special modes, for a pending display change for this adapter. See comments below.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncvoid VBoxMPXpdmBuildVideoModesTable(PVBOXMP_DEVEXT pExt)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Fill table with standart modes and ones manually added to registry */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync cStandartModes = VBoxMPFillModesTable(pExt, pExt->iDevice, g_VideoModes, RT_ELEMENTS(g_VideoModes), NULL);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Add custom modes for all displays to the table */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync cCustomModes = VBoxCommonFromDeviceExt(pExt)->cDisplays;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync memcpy(&g_VideoModes[cStandartModes+i], &g_CustomVideoModes[i], sizeof(VIDEO_MODE_INFORMATION));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync g_VideoModes[cStandartModes+i].ModeIndex = cStandartModes+i+1;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Check if host wants us to switch video mode and it's for this adapter */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync bPending = VBoxMPCheckPendingVideoMode(pExt, &specialMode);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync bHaveSpecial = bPending && (pExt->iDevice == specialMode.ModeIndex);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Check the startup case */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (!bHaveSpecial && VBoxMPIsStartingUp(pExt, pExt->iDevice))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Check if we could make valid mode from values stored to registry */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (VBoxMPValidateVideoModeParams(pExt, pExt->iDevice, xres, yres, bpp))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync VBoxFillVidModeInfo(&specialMode, xres, yres, bpp, 0, 0);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Update number of modes */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Just add 2 dummy modes to maintain table size. */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync memcpy(&g_VideoModes[g_NumVideoModes], &g_VideoModes[2], sizeof(VIDEO_MODE_INFORMATION));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync g_VideoModes[g_NumVideoModes].ModeIndex = g_NumVideoModes+1;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync memcpy(&g_VideoModes[g_NumVideoModes], &g_VideoModes[2], sizeof(VIDEO_MODE_INFORMATION));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync g_VideoModes[g_NumVideoModes].ModeIndex = g_NumVideoModes+1;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* We need to alternate mode index entry for a pending mode change,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * else windows will ignore actual mode change call.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Only alternate index if one of mode parameters changed and
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * regardless of conditions always add 2 entries to the table.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync BOOLEAN bChanged = (s_Prev_xres!=specialMode.VisScreenWidth
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Make sure there's no other mode in the table with same parameters,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * because we need windows to pick up a new video mode index otherwise
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * actual mode change wouldn't happen.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync while (0 <= (iFoundIdx = VBoxMPFindVideoMode(&g_VideoModes[uiStart], g_NumVideoModes-uiStart, &specialMode)))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync memcpy(&g_VideoModes[uiStart+iFoundIdx], &g_VideoModes[2], sizeof(VIDEO_MODE_INFORMATION));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync g_VideoModes[uiStart+iFoundIdx].ModeIndex = uiStart+iFoundIdx+1;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Check if we need to alternate the index */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync memcpy(&g_VideoModes[g_NumVideoModes], &g_VideoModes[2], sizeof(VIDEO_MODE_INFORMATION));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync g_VideoModes[g_NumVideoModes].ModeIndex = g_NumVideoModes+1;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync LOG(("add special mode[%d] %dx%d:%d for display %d (bChanged=%d, bAlretnativeIndex=%d)",
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync g_NumVideoModes, specialMode.VisScreenWidth, specialMode.VisScreenHeight, specialMode.BitsPerPlane,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Add special mode to the table
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Note: Y offset isn't used for a host-supplied modes
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync memcpy(&g_VideoModes[g_NumVideoModes], &specialMode, sizeof(VIDEO_MODE_INFORMATION));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Save special mode in the custom modes table */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync memcpy(&g_CustomVideoModes[pExt->iDevice], &specialMode, sizeof(VIDEO_MODE_INFORMATION));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Make sure we've added 2nd mode if necessary to maintain table size */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync memcpy(&g_VideoModes[g_NumVideoModes], &g_VideoModes[g_NumVideoModes-1], sizeof(VIDEO_MODE_INFORMATION));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync g_VideoModes[g_NumVideoModes].ModeIndex = g_NumVideoModes+1;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync memcpy(&g_VideoModes[g_NumVideoModes], &g_VideoModes[2], sizeof(VIDEO_MODE_INFORMATION));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync g_VideoModes[g_NumVideoModes].ModeIndex = g_NumVideoModes+1;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Save special mode info to registry */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync VBoxMPRegSaveModeInfo(pExt, pExt->iDevice, &specialMode);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync i, g_VideoModes[i].VisScreenWidth, g_VideoModes[i].VisScreenHeight,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync g_VideoModes[i].BitsPerPlane, g_VideoModes[i].ModeIndex));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync } while (0);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif /*VBOX_XPDM_MINIPORT*/
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncstatic VBOXWDDM_VIDEOMODES_INFO g_aVBoxVideoModeInfos[VBOX_VIDEO_MAX_SCREENS] = {0};
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncbool VBoxWddmFillMode(VIDEO_MODE_INFORMATION *pInfo, D3DDDIFORMAT enmFormat, ULONG w, ULONG h)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync return true;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync return true;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync return true;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync return true;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync return false;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncVBoxWddmBuildResolutionTable(PVIDEO_MODE_INFORMATION pModesTable, size_t tableSize,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync pResolutions[cResolutions].cx = pMode->VisScreenWidth;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync pResolutions[cResolutions].cy = pMode->VisScreenHeight;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncAssertCompile(sizeof (SIZE) == sizeof (D3DKMDT_2DREGION));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncAssertCompile(RT_OFFSETOF(SIZE, cx) == RT_OFFSETOF(D3DKMDT_2DREGION, cx));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncAssertCompile(RT_OFFSETOF(SIZE, cy) == RT_OFFSETOF(D3DKMDT_2DREGION, cy));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsyncVBoxWddmBuildVideoModesInfo(PVBOXMP_DEVEXT pExt, D3DDDI_VIDEO_PRESENT_TARGET_ID VidPnTargetId,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync PVBOXWDDM_VIDEOMODES_INFO pModes, VIDEO_MODE_INFORMATION *paAddlModes,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync pModes->cResolutions = RT_ELEMENTS(pModes->aResolutions);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Add default modes and ones read from registry. */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync pModes->cModes = VBoxMPFillModesTable(pExt, VidPnTargetId, pModes->aModes, RT_ELEMENTS(pModes->aModes), &pModes->iPreferredMode);
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync Assert(pModes->cModes<=RT_ELEMENTS(pModes->aModes));
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Check if there's a pending display change request for this adapter */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync if (VBoxMPCheckPendingVideoMode(pExt, &specialMode) && (specialMode.ModeIndex==VidPnTargetId))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /*Minor hack, ModeIndex!=0 Means this mode has been validated already and not just read from registry */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync memcpy(&g_CustomVideoModes[VidPnTargetId], &specialMode, sizeof(VIDEO_MODE_INFORMATION));
int foundIdx;
if ((foundIdx=VBoxMPFindVideoMode(pModes->aModes, pModes->cModes, &pModes->aModes[pModes->cModes]))>=0)
#ifdef VBOX_WITH_8BPP_MODES
#ifdef DEBUG_misha
AssertFailed();
AssertRelease(RT_ELEMENTS(pModes->aModes) > pModes->cModes); /* if not - the driver state is screwed up, @todo: better do KeBugCheckEx here */
AssertRelease(RT_ELEMENTS(pModes->aModes) == pModes->cModes); /* if not - the driver state is screwed up, @todo: better do KeBugCheckEx here */
#ifdef DEBUG_misha
AssertFailed();
#ifdef DEBUG_misha
AssertFailed();
AssertRelease(RT_ELEMENTS(pModes->aModes) > pModes->cModes); /* if not - the driver state is screwed up, @todo: better do KeBugCheckEx here */
if (VBoxLikesVideoMode(VidPnTargetId, paAddlModes[i].VisScreenWidth, paAddlModes[i].VisScreenHeight, paAddlModes[i].BitsPerPlane))
int foundIdx;
VBoxWddmBuildResolutionTable(pModes->aModes, pModes->cModes, (SIZE*)((void*)pModes->aResolutions), &pModes->cResolutions);
PVBOXWDDM_VIDEOMODES_INFO VBoxWddmUpdateVideoModesInfo(PVBOXMP_DEVEXT pExt, PVBOXWDDM_RECOMMENDVIDPN pVidPnInfo)
if (pVidPnInfo)
Assert(0);
Assert(0);
return g_aVBoxVideoModeInfos;
NTSTATUS VBoxWddmGetModesForResolution(VIDEO_MODE_INFORMATION *pAllModes, uint32_t cAllModes, int iSearchPreferredMode,
const D3DKMDT_2DREGION *pResolution, VIDEO_MODE_INFORMATION * pModes, uint32_t cModes, uint32_t *pcModes, int32_t *piPreferrableMode)
if (i == iSearchPreferredMode)
++cFound;
if (piPreferrableMode)
return Status;
return g_aVBoxVideoModeInfos;
PVBOXWDDM_VIDEOMODES_INFO VBoxWddmGetVideoModesInfo(PVBOXMP_DEVEXT pExt, D3DDDI_VIDEO_PRESENT_TARGET_ID VidPnTargetId)
return NULL;
return pInfo;