| 1 | /** @file
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| 2 | * VirtualBox X11 Additions graphics driver utility functions
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2006-2007 Oracle Corporation
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License (GPL) as published by the Free Software
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| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | */
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| 16 |
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| 17 | #include <VBox/VMMDev.h>
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| 18 | #include <VBox/VBoxGuestLib.h>
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| 19 |
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| 20 | #ifndef PCIACCESS
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| 21 | # include <xf86Pci.h>
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| 22 | # include <Pci.h>
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| 23 | #endif
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| 24 |
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| 25 | #include "xf86.h"
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| 26 | #define NEED_XF86_TYPES
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| 27 | #include <iprt/string.h>
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| 28 | #include "compiler.h"
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| 29 |
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| 30 | #include "vboxvideo.h"
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| 31 |
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| 32 | #ifdef XORG_7X
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| 33 | # include <stdio.h>
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| 34 | # include <stdlib.h>
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| 35 | #endif
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| 36 |
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| 37 | /**************************************************************************
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| 38 | * Main functions *
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| 39 | **************************************************************************/
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| 40 |
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| 41 | /**
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| 42 | * Inform VBox that we are aware of advanced graphics functions
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| 43 | * (i.e. dynamic resizing, seamless).
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| 44 | *
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| 45 | * @returns TRUE for success, FALSE for failure
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| 46 | */
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| 47 | Bool
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| 48 | vboxEnableGraphicsCap(VBOXPtr pVBox)
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| 49 | {
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| 50 | TRACE_ENTRY();
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| 51 | if (!pVBox->useDevice)
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| 52 | return FALSE;
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| 53 | return RT_SUCCESS(VbglR3SetGuestCaps(VMMDEV_GUEST_SUPPORTS_GRAPHICS, 0));
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| 54 | }
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| 55 |
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| 56 | /**
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| 57 | * Inform VBox that we are no longer aware of advanced graphics functions
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| 58 | * (i.e. dynamic resizing, seamless).
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| 59 | *
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| 60 | * @returns TRUE for success, FALSE for failure
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| 61 | */
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| 62 | Bool
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| 63 | vboxDisableGraphicsCap(VBOXPtr pVBox)
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| 64 | {
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| 65 | TRACE_ENTRY();
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| 66 | if (!pVBox->useDevice)
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| 67 | return FALSE;
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| 68 | return RT_SUCCESS(VbglR3SetGuestCaps(0, VMMDEV_GUEST_SUPPORTS_GRAPHICS));
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| 69 | }
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| 70 |
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| 71 | /**
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| 72 | * Query the last display change request.
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| 73 | *
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| 74 | * @returns boolean success indicator.
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| 75 | * @param pScrn Pointer to the X screen info structure.
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| 76 | * @param pcx Where to store the horizontal pixel resolution (0 = do not change).
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| 77 | * @param pcy Where to store the vertical pixel resolution (0 = do not change).
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| 78 | * @param pcBits Where to store the bits per pixel (0 = do not change).
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| 79 | * @param iDisplay Where to store the display number the request was for - 0 for the
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| 80 | * primary display, 1 for the first secondary, etc.
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| 81 | */
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| 82 | Bool
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| 83 | vboxGetDisplayChangeRequest(ScrnInfoPtr pScrn, uint32_t *pcx, uint32_t *pcy,
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| 84 | uint32_t *pcBits, uint32_t *piDisplay)
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| 85 | {
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| 86 | VBOXPtr pVBox = pScrn->driverPrivate;
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| 87 | TRACE_ENTRY();
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| 88 | if (!pVBox->useDevice)
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| 89 | return FALSE;
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| 90 | int rc = VbglR3GetDisplayChangeRequest(pcx, pcy, pcBits, piDisplay, false);
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| 91 | if (RT_SUCCESS(rc))
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| 92 | return TRUE;
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| 93 | xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Failed to obtain the last resolution requested by the guest, rc=%d.\n", rc);
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| 94 | return FALSE;
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| 95 | }
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| 96 |
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| 97 |
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| 98 | /**
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| 99 | * Query the host as to whether it likes a specific video mode.
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| 100 | *
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| 101 | * @returns the result of the query
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| 102 | * @param cx the width of the mode being queried
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| 103 | * @param cy the height of the mode being queried
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| 104 | * @param cBits the bpp of the mode being queried
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| 105 | */
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| 106 | Bool
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| 107 | vboxHostLikesVideoMode(ScrnInfoPtr pScrn, uint32_t cx, uint32_t cy, uint32_t cBits)
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| 108 | {
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| 109 | VBOXPtr pVBox = pScrn->driverPrivate;
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| 110 | TRACE_ENTRY();
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| 111 | if (!pVBox->useDevice)
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| 112 | return TRUE; /* If we can't ask the host then we like everything. */
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| 113 | return VbglR3HostLikesVideoMode(cx, cy, cBits);
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| 114 | }
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| 115 |
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| 116 | /**
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| 117 | * Check if any seamless mode is enabled.
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| 118 | * Seamless is only relevant for the newer Xorg modules.
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| 119 | *
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| 120 | * @returns the result of the query
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| 121 | * (true = seamless enabled, false = seamless not enabled)
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| 122 | * @param pScrn Screen info pointer.
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| 123 | */
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| 124 | Bool
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| 125 | vboxGuestIsSeamless(ScrnInfoPtr pScrn)
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| 126 | {
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| 127 | VMMDevSeamlessMode mode;
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| 128 | VBOXPtr pVBox = pScrn->driverPrivate;
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| 129 | TRACE_ENTRY();
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| 130 | if (!pVBox->useDevice)
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| 131 | return FALSE;
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| 132 | if (RT_FAILURE(VbglR3SeamlessGetLastEvent(&mode)))
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| 133 | return FALSE;
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| 134 | return (mode != VMMDev_Seamless_Disabled);
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| 135 | }
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| 136 |
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| 137 | /**
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| 138 | * Save video mode parameters to the registry.
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| 139 | *
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| 140 | * @returns iprt status value
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| 141 | * @param pszName the name to save the mode parameters under
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| 142 | * @param cx mode width
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| 143 | * @param cy mode height
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| 144 | * @param cBits bits per pixel for the mode
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| 145 | */
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| 146 | Bool
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| 147 | vboxSaveVideoMode(ScrnInfoPtr pScrn, uint32_t cx, uint32_t cy, uint32_t cBits)
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| 148 | {
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| 149 | VBOXPtr pVBox = pScrn->driverPrivate;
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| 150 | TRACE_ENTRY();
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| 151 | if (!pVBox->useDevice)
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| 152 | return FALSE;
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| 153 | return RT_SUCCESS(VbglR3SaveVideoMode("SavedMode", cx, cy, cBits));
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| 154 | }
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| 155 |
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| 156 | /**
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| 157 | * Retrieve video mode parameters from the registry.
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| 158 | *
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| 159 | * @returns iprt status value
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| 160 | * @param pszName the name under which the mode parameters are saved
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| 161 | * @param pcx where to store the mode width
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| 162 | * @param pcy where to store the mode height
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| 163 | * @param pcBits where to store the bits per pixel for the mode
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| 164 | */
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| 165 | Bool
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| 166 | vboxRetrieveVideoMode(ScrnInfoPtr pScrn, uint32_t *pcx, uint32_t *pcy, uint32_t *pcBits)
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| 167 | {
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| 168 | VBOXPtr pVBox = pScrn->driverPrivate;
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| 169 | int rc;
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| 170 | TRACE_ENTRY();
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| 171 | if (!pVBox->useDevice)
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| 172 | rc = VERR_NOT_AVAILABLE;
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| 173 | else
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| 174 | rc = VbglR3RetrieveVideoMode("SavedMode", pcx, pcy, pcBits);
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| 175 | if (RT_SUCCESS(rc))
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| 176 | TRACE_LOG("Retrieved a video mode of %dx%dx%d\n", *pcx, *pcy, *pcBits);
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| 177 | else
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| 178 | TRACE_LOG("Failed to retrieve video mode, error %d\n", rc);
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| 179 | return (RT_SUCCESS(rc));
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| 180 | }
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| 181 |
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| 182 | /**
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| 183 | * Fills a display mode M with a built-in mode of name pszName and dimensions
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| 184 | * cx and cy.
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| 185 | */
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| 186 | static void vboxFillDisplayMode(ScrnInfoPtr pScrn, DisplayModePtr m,
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| 187 | const char *pszName, unsigned cx, unsigned cy)
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| 188 | {
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| 189 | VBOXPtr pVBox = pScrn->driverPrivate;
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| 190 | TRACE_LOG("pszName=%s, cx=%u, cy=%u\n", pszName, cx, cy);
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| 191 | m->status = MODE_OK;
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| 192 | m->type = M_T_BUILTIN;
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| 193 | /* Older versions of VBox only support screen widths which are a multiple
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| 194 | * of 8 */
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| 195 | if (pVBox->fAnyX)
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| 196 | m->HDisplay = cx;
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| 197 | else
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| 198 | m->HDisplay = cx & ~7;
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| 199 | m->HSyncStart = m->HDisplay + 2;
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| 200 | m->HSyncEnd = m->HDisplay + 4;
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| 201 | m->HTotal = m->HDisplay + 6;
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| 202 | m->VDisplay = cy;
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| 203 | m->VSyncStart = m->VDisplay + 2;
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| 204 | m->VSyncEnd = m->VDisplay + 4;
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| 205 | m->VTotal = m->VDisplay + 6;
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| 206 | m->Clock = m->HTotal * m->VTotal * 60 / 1000; /* kHz */
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| 207 | if (pszName)
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| 208 | {
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| 209 | if (m->name)
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| 210 | free(m->name);
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| 211 | m->name = xnfstrdup(pszName);
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| 212 | }
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| 213 | }
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| 214 |
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| 215 | /** vboxvideo's list of standard video modes */
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| 216 | struct
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| 217 | {
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| 218 | /** mode width */
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| 219 | uint32_t cx;
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| 220 | /** mode height */
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| 221 | uint32_t cy;
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| 222 | } vboxStandardModes[] =
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| 223 | {
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| 224 | { 1600, 1200 },
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| 225 | { 1440, 1050 },
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| 226 | { 1280, 960 },
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| 227 | { 1024, 768 },
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| 228 | { 800, 600 },
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| 229 | { 640, 480 },
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| 230 | { 0, 0 }
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| 231 | };
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| 232 | enum
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| 233 | {
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| 234 | vboxNumStdModes = sizeof(vboxStandardModes) / sizeof(vboxStandardModes[0])
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| 235 | };
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| 236 |
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| 237 | /**
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| 238 | * Returns a standard mode which the host likes. Can be called multiple
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| 239 | * times with the index returned by the previous call to get a list of modes.
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| 240 | * @returns the index of the mode in the list, or 0 if no more modes are
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| 241 | * available
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| 242 | * @param pScrn the screen information structure
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| 243 | * @param pScrn->bitsPerPixel
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| 244 | * if this is non-null, only modes with this BPP will be
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| 245 | * returned
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| 246 | * @param cIndex the index of the last mode queried, or 0 to query the
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| 247 | * first mode available. Note: the first index is 1
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| 248 | * @param pcx where to store the mode's width
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| 249 | * @param pcy where to store the mode's height
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| 250 | * @param pcBits where to store the mode's BPP
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| 251 | */
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| 252 | unsigned vboxNextStandardMode(ScrnInfoPtr pScrn, unsigned cIndex,
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| 253 | uint32_t *pcx, uint32_t *pcy,
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| 254 | uint32_t *pcBits)
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| 255 | {
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| 256 | XF86ASSERT(cIndex < vboxNumStdModes,
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| 257 | ("cIndex = %d, vboxNumStdModes = %d\n", cIndex,
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| 258 | vboxNumStdModes));
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| 259 | for (unsigned i = cIndex; i < vboxNumStdModes - 1; ++i)
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| 260 | {
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| 261 | uint32_t cBits = pScrn->bitsPerPixel;
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| 262 | uint32_t cx = vboxStandardModes[i].cx;
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| 263 | uint32_t cy = vboxStandardModes[i].cy;
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| 264 |
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| 265 | if (cBits != 0 && !vboxHostLikesVideoMode(pScrn, cx, cy, cBits))
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| 266 | continue;
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| 267 | if (vboxHostLikesVideoMode(pScrn, cx, cy, 32))
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| 268 | cBits = 32;
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| 269 | else if (vboxHostLikesVideoMode(pScrn, cx, cy, 16))
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| 270 | cBits = 16;
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| 271 | else
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| 272 | continue;
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| 273 | if (pcx)
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| 274 | *pcx = cx;
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| 275 | if (pcy)
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| 276 | *pcy = cy;
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| 277 | if (pcBits)
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| 278 | *pcBits = cBits;
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| 279 | return i + 1;
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| 280 | }
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| 281 | return 0;
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| 282 | }
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| 283 |
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| 284 | /**
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| 285 | * Returns the preferred video mode. The current order of preference is
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| 286 | * (from highest to least preferred):
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| 287 | * - The mode corresponding to the last size hint from the host
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| 288 | * - The video mode saved from the last session
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| 289 | * - The largest standard mode which the host likes, falling back to
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| 290 | * 640x480x32 as a worst case
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| 291 | * - If the host can't be contacted at all, we return 1024x768x32
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| 292 | *
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| 293 | * The return type is void as we guarantee we will return some mode.
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| 294 | */
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| 295 | void vboxGetPreferredMode(ScrnInfoPtr pScrn, uint32_t iScreen, uint32_t *pcx,
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| 296 | uint32_t *pcy, uint32_t *pcBits)
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| 297 | {
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| 298 | /* Query the host for the preferred resolution and colour depth */
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| 299 | uint32_t cx = 0, cy = 0, iScreenIn = iScreen, cBits = 32;
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| 300 | VBOXPtr pVBox = pScrn->driverPrivate;
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| 301 |
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| 302 | TRACE_LOG("iScreen=%u\n", iScreen);
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| 303 | bool found = false;
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| 304 | if ( pVBox->aPreferredSize[iScreen].cx
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| 305 | && pVBox->aPreferredSize[iScreen].cy)
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| 306 | {
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| 307 | cx = pVBox->aPreferredSize[iScreen].cx;
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| 308 | cy = pVBox->aPreferredSize[iScreen].cy;
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| 309 | found = true;
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| 310 | }
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| 311 | if (pVBox->useDevice)
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| 312 | {
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| 313 | if (!found)
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| 314 | found = vboxGetDisplayChangeRequest(pScrn, &cx, &cy, &cBits,
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| 315 | &iScreenIn);
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| 316 | if ((cx == 0) || (cy == 0) || iScreenIn != iScreen)
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| 317 | found = false;
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| 318 | if (!found)
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| 319 | found = vboxRetrieveVideoMode(pScrn, &cx, &cy, &cBits);
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| 320 | if ((cx == 0) || (cy == 0))
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| 321 | found = false;
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| 322 | if (!found)
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| 323 | found = (vboxNextStandardMode(pScrn, 0, &cx, &cy, &cBits) != 0);
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| 324 | if (!found)
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| 325 | {
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| 326 | /* Last resort */
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| 327 | cx = 640;
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| 328 | cy = 480;
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| 329 | cBits = 32;
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| 330 | }
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| 331 | }
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| 332 | else
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| 333 | {
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| 334 | cx = 1024;
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| 335 | cy = 768;
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| 336 | }
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| 337 | if (pcx)
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| 338 | *pcx = cx;
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| 339 | if (pcy)
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| 340 | *pcy = cy;
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| 341 | if (pcBits)
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| 342 | *pcBits = cBits;
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| 343 | TRACE_LOG("cx=%u, cy=%u, cBits=%u\n", cx, cy, cBits);
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| 344 | }
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| 345 |
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| 346 | /* Move a screen mode found to the end of the list, so that RandR will give
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| 347 | * it the highest priority when a mode switch is requested. Returns the mode
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| 348 | * that was previously before the mode in the list in order to allow the
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| 349 | * caller to continue walking the list. */
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| 350 | static DisplayModePtr vboxMoveModeToFront(ScrnInfoPtr pScrn,
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| 351 | DisplayModePtr pMode)
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| 352 | {
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| 353 | DisplayModePtr pPrev = pMode->prev;
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| 354 | if (pMode != pScrn->modes)
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| 355 | {
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| 356 | pMode->prev->next = pMode->next;
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| 357 | pMode->next->prev = pMode->prev;
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| 358 | pMode->next = pScrn->modes;
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| 359 | pMode->prev = pScrn->modes->prev;
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| 360 | pMode->next->prev = pMode;
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| 361 | pMode->prev->next = pMode;
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| 362 | pScrn->modes = pMode;
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| 363 | }
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| 364 | return pPrev;
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| 365 | }
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| 366 |
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| 367 | /**
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| 368 | * Rewrites the first dynamic mode found which is not the current screen mode
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| 369 | * to contain the host's currently preferred screen size, then moves that
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| 370 | * mode to the front of the screen information structure's mode list.
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| 371 | * Additionally, if the current mode is not dynamic, the second dynamic mode
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| 372 | * will be set to match the current mode and also added to the front. This
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| 373 | * ensures that the user can always reset the current size to kick the driver
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| 374 | * to update its mode list.
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| 375 | */
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| 376 | void vboxWriteHostModes(ScrnInfoPtr pScrn, DisplayModePtr pCurrent)
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| 377 | {
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| 378 | uint32_t cx = 0, cy = 0, iDisplay = 0, cBits = 0;
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| 379 | DisplayModePtr pMode;
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| 380 | bool found = false;
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| 381 |
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| 382 | TRACE_ENTRY();
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| 383 | vboxGetPreferredMode(pScrn, 0, &cx, &cy, &cBits);
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| 384 | #ifdef DEBUG
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| 385 | /* Count the number of modes for sanity */
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| 386 | unsigned cModes = 1, cMode = 0;
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| 387 | DisplayModePtr pCount;
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| 388 | for (pCount = pScrn->modes; ; pCount = pCount->next, ++cModes)
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| 389 | if (pCount->next == pScrn->modes)
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| 390 | break;
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| 391 | #endif
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| 392 | for (pMode = pScrn->modes; ; pMode = pMode->next)
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| 393 | {
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| 394 | #ifdef DEBUG
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| 395 | XF86ASSERT (cMode++ < cModes, (NULL));
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| 396 | #endif
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| 397 | if ( pMode != pCurrent
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| 398 | && !strcmp(pMode->name, "VBoxDynamicMode"))
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| 399 | {
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| 400 | if (!found)
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| 401 | vboxFillDisplayMode(pScrn, pMode, NULL, cx, cy);
|
|---|
| 402 | else if (pCurrent)
|
|---|
| 403 | vboxFillDisplayMode(pScrn, pMode, NULL, pCurrent->HDisplay,
|
|---|
| 404 | pCurrent->VDisplay);
|
|---|
| 405 | found = true;
|
|---|
| 406 | pMode = vboxMoveModeToFront(pScrn, pMode);
|
|---|
| 407 | }
|
|---|
| 408 | if (pMode->next == pScrn->modes)
|
|---|
| 409 | break;
|
|---|
| 410 | }
|
|---|
| 411 | XF86ASSERT (found,
|
|---|
| 412 | ("vboxvideo: no free dynamic mode found. Exiting.\n"));
|
|---|
| 413 | XF86ASSERT ( (pScrn->modes->HDisplay == (long) cx)
|
|---|
| 414 | || ( (pScrn->modes->HDisplay == pCurrent->HDisplay)
|
|---|
| 415 | && (pScrn->modes->next->HDisplay == (long) cx)),
|
|---|
| 416 | ("pScrn->modes->HDisplay=%u, pScrn->modes->next->HDisplay=%u\n",
|
|---|
| 417 | pScrn->modes->HDisplay, pScrn->modes->next->HDisplay));
|
|---|
| 418 | XF86ASSERT ( (pScrn->modes->VDisplay == (long) cy)
|
|---|
| 419 | || ( (pScrn->modes->VDisplay == pCurrent->VDisplay)
|
|---|
| 420 | && (pScrn->modes->next->VDisplay == (long) cy)),
|
|---|
| 421 | ("pScrn->modes->VDisplay=%u, pScrn->modes->next->VDisplay=%u\n",
|
|---|
| 422 | pScrn->modes->VDisplay, pScrn->modes->next->VDisplay));
|
|---|
| 423 | }
|
|---|
| 424 |
|
|---|
| 425 | /**
|
|---|
| 426 | * Allocates an empty display mode and links it into the doubly linked list of
|
|---|
| 427 | * modes pointed to by pScrn->modes. Returns a pointer to the newly allocated
|
|---|
| 428 | * memory.
|
|---|
| 429 | */
|
|---|
| 430 | static DisplayModePtr vboxAddEmptyScreenMode(ScrnInfoPtr pScrn)
|
|---|
| 431 | {
|
|---|
| 432 | DisplayModePtr pMode = xnfcalloc(sizeof(DisplayModeRec), 1);
|
|---|
| 433 |
|
|---|
| 434 | TRACE_ENTRY();
|
|---|
| 435 | if (!pScrn->modes)
|
|---|
| 436 | {
|
|---|
| 437 | pScrn->modes = pMode;
|
|---|
| 438 | pMode->next = pMode;
|
|---|
| 439 | pMode->prev = pMode;
|
|---|
| 440 | }
|
|---|
| 441 | else
|
|---|
| 442 | {
|
|---|
| 443 | pMode->next = pScrn->modes;
|
|---|
| 444 | pMode->prev = pScrn->modes->prev;
|
|---|
| 445 | pMode->next->prev = pMode;
|
|---|
| 446 | pMode->prev->next = pMode;
|
|---|
| 447 | }
|
|---|
| 448 | return pMode;
|
|---|
| 449 | }
|
|---|
| 450 |
|
|---|
| 451 | /**
|
|---|
| 452 | * Create display mode entries in the screen information structure for each
|
|---|
| 453 | * of the initial graphics modes that we wish to support. This includes:
|
|---|
| 454 | * - An initial mode, of the size requested by the caller
|
|---|
| 455 | * - Two dynamic modes, one of which will be updated to match the last size
|
|---|
| 456 | * hint from the host on each mode switch, but initially also of the
|
|---|
| 457 | * requested size
|
|---|
| 458 | * - Several standard modes, if possible ones that the host likes
|
|---|
| 459 | * - Any modes that the user requested in xorg.conf/XFree86Config
|
|---|
| 460 | */
|
|---|
| 461 | void vboxAddModes(ScrnInfoPtr pScrn, uint32_t cxInit, uint32_t cyInit)
|
|---|
| 462 | {
|
|---|
| 463 | unsigned cx = 0, cy = 0, cIndex = 0;
|
|---|
| 464 | /* For reasons related to the way RandR 1.1 is implemented, we need to
|
|---|
| 465 | * make sure that the initial mode (more precisely, a mode equal to the
|
|---|
| 466 | * initial virtual resolution) is always present in the mode list. RandR
|
|---|
| 467 | * has the assumption build in that there will either be a mode of that
|
|---|
| 468 | * size present at all times, or that the first mode in the list will
|
|---|
| 469 | * always be smaller than the initial virtual resolution. Since our
|
|---|
| 470 | * approach to dynamic resizing isn't quite the way RandR was intended to
|
|---|
| 471 | * be, and breaks the second assumption, we guarantee the first. */
|
|---|
| 472 | DisplayModePtr pMode = vboxAddEmptyScreenMode(pScrn);
|
|---|
| 473 | vboxFillDisplayMode(pScrn, pMode, "VBoxInitialMode", cxInit, cyInit);
|
|---|
| 474 | /* Create our two dynamic modes. */
|
|---|
| 475 | pMode = vboxAddEmptyScreenMode(pScrn);
|
|---|
| 476 | vboxFillDisplayMode(pScrn, pMode, "VBoxDynamicMode", cxInit, cyInit);
|
|---|
| 477 | pMode = vboxAddEmptyScreenMode(pScrn);
|
|---|
| 478 | vboxFillDisplayMode(pScrn, pMode, "VBoxDynamicMode", cxInit, cyInit);
|
|---|
| 479 | /* Add standard modes supported by the host */
|
|---|
| 480 | for ( ; ; )
|
|---|
| 481 | {
|
|---|
| 482 | char szName[256];
|
|---|
| 483 | cIndex = vboxNextStandardMode(pScrn, cIndex, &cx, &cy, NULL);
|
|---|
| 484 | if (cIndex == 0)
|
|---|
| 485 | break;
|
|---|
| 486 | sprintf(szName, "VBox-%ux%u", cx, cy);
|
|---|
| 487 | pMode = vboxAddEmptyScreenMode(pScrn);
|
|---|
| 488 | vboxFillDisplayMode(pScrn, pMode, szName, cx, cy);
|
|---|
| 489 | }
|
|---|
| 490 | /* And finally any modes specified by the user. We assume here that
|
|---|
| 491 | * the mode names reflect the mode sizes. */
|
|---|
| 492 | for (unsigned i = 0; pScrn->display->modes != NULL
|
|---|
| 493 | && pScrn->display->modes[i] != NULL; i++)
|
|---|
| 494 | {
|
|---|
| 495 | if (sscanf(pScrn->display->modes[i], "%ux%u", &cx, &cy) == 2)
|
|---|
| 496 | {
|
|---|
| 497 | pMode = vboxAddEmptyScreenMode(pScrn);
|
|---|
| 498 | vboxFillDisplayMode(pScrn, pMode, pScrn->display->modes[i], cx, cy);
|
|---|
| 499 | }
|
|---|
| 500 | }
|
|---|
| 501 | }
|
|---|
