| 1 | /** @file
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| 2 | *
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| 3 | * VBoxGuest -- VirtualBox Win 2000/XP guest video driver
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| 4 | *
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| 5 | * Copyright (C) 2006-2007 Oracle Corporation
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| 6 | *
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| 7 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 8 | * available from http://www.virtualbox.org. This file is free software;
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| 9 | * you can redistribute it and/or modify it under the terms of the GNU
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| 10 | * General Public License (GPL) as published by the Free Software
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| 11 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 12 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 13 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 14 | */
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| 15 |
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| 16 | // enable backdoor logging
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| 17 | //#define LOG_ENABLED
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| 18 | #ifndef VBOXWDDM
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| 19 | extern "C"
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| 20 | {
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| 21 | # include <ntddk.h>
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| 22 | }
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| 23 | #else
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| 24 | # include "VBoxVideo.h"
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| 25 | #endif
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| 26 |
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| 27 | #include <VBox/err.h>
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| 28 |
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| 29 | #include <VBox/VBoxGuestLib.h>
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| 30 |
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| 31 | #ifndef VBOXWDDM
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| 32 | /* the video miniport headers not compatible with the NT DDK headers */
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| 33 | typedef struct _VIDEO_POINTER_ATTRIBUTES
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| 34 | {
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| 35 | ULONG Flags;
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| 36 | ULONG Width;
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| 37 | ULONG Height;
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| 38 | ULONG WidthInBytes;
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| 39 | ULONG Enable;
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| 40 | SHORT Column;
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| 41 | SHORT Row;
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| 42 | UCHAR Pixels[1];
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| 43 | } VIDEO_POINTER_ATTRIBUTES, *PVIDEO_POINTER_ATTRIBUTES;
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| 44 | #define VIDEO_MODE_COLOR_POINTER 0x04 // 1 if a color hardware pointer is
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| 45 | // supported.
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| 46 | #endif /* #ifndef VBOXWDDM */
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| 47 |
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| 48 | #include "Helper.h"
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| 49 |
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| 50 | #ifdef DEBUG_misha
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| 51 | bool g_bVBoxVDbgBreakF = true;
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| 52 | bool g_bVBoxVDbgBreakFv = false;
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| 53 | #endif
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| 54 |
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| 55 | /**
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| 56 | * Globals
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| 57 | */
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| 58 | /* note: should not do that but we can't use these datatypes in the global header */
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| 59 |
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| 60 | #pragma alloc_text(PAGE, vboxQueryDisplayRequest)
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| 61 | #pragma alloc_text(PAGE, vboxLikesVideoMode)
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| 62 | #pragma alloc_text(PAGE, vboxGetHeightReduction)
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| 63 | #pragma alloc_text(PAGE, vboxQueryPointerPos)
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| 64 | #pragma alloc_text(PAGE, vboxQueryHostWantsAbsolute)
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| 65 | #pragma alloc_text(PAGE, vboxQueryWinVersion)
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| 66 |
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| 67 | BOOLEAN vboxQueryDisplayRequest(uint32_t *xres, uint32_t *yres, uint32_t *bpp, uint32_t *pDisplayId)
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| 68 | {
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| 69 | BOOLEAN bRC = FALSE;
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| 70 |
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| 71 | dprintf(("VBoxVideo::vboxQueryDisplayRequest: xres = 0x%p, yres = 0x%p bpp = 0x%p\n", xres, yres, bpp));
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| 72 |
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| 73 | VMMDevDisplayChangeRequest2 *req = NULL;
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| 74 |
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| 75 | int rc = VbglGRAlloc ((VMMDevRequestHeader **)&req, sizeof (VMMDevDisplayChangeRequest2), VMMDevReq_GetDisplayChangeRequest2);
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| 76 |
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| 77 | if (RT_FAILURE(rc))
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| 78 | {
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| 79 | dprintf(("VBoxVideo::vboxQueryDisplayRequest: ERROR allocating request, rc = %Rrc\n", rc));
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| 80 | }
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| 81 | else
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| 82 | {
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| 83 | req->eventAck = 0;
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| 84 |
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| 85 | rc = VbglGRPerform (&req->header);
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| 86 |
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| 87 | if (RT_SUCCESS(rc))
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| 88 | {
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| 89 | if (xres)
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| 90 | *xres = req->xres;
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| 91 | if (yres)
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| 92 | *yres = req->yres;
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| 93 | if (bpp)
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| 94 | *bpp = req->bpp;
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| 95 | if (pDisplayId)
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| 96 | *pDisplayId = req->display;
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| 97 | dprintf(("VBoxVideo::vboxQueryDisplayRequest: returning %d x %d @ %d for %d\n",
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| 98 | req->xres, req->yres, req->bpp, req->display));
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| 99 | bRC = TRUE;
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| 100 | }
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| 101 | else
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| 102 | {
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| 103 | dprintf(("VBoxVideo::vboxQueryDisplayRequest: ERROR querying display request from VMMDev. "
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| 104 | "rc = %Rrc\n", rc));
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| 105 | }
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| 106 |
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| 107 | VbglGRFree (&req->header);
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| 108 | }
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| 109 |
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| 110 | return bRC;
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| 111 | }
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| 112 |
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| 113 | BOOLEAN vboxLikesVideoMode(uint32_t display, uint32_t width, uint32_t height, uint32_t bpp)
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| 114 | {
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| 115 | BOOLEAN bRC = FALSE;
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| 116 |
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| 117 | VMMDevVideoModeSupportedRequest2 *req2 = NULL;
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| 118 |
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| 119 | int rc = VbglGRAlloc((VMMDevRequestHeader**)&req2, sizeof(VMMDevVideoModeSupportedRequest2), VMMDevReq_VideoModeSupported2);
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| 120 | if (RT_FAILURE(rc))
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| 121 | {
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| 122 | dprintf(("VBoxVideo::vboxLikesVideoMode: ERROR allocating request, rc = %Rrc\n", rc));
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| 123 | /* Most likely the VBoxGuest driver is not loaded.
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| 124 | * To get at least the video working, report the mode as supported.
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| 125 | */
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| 126 | bRC = TRUE;
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| 127 | }
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| 128 | else
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| 129 | {
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| 130 | req2->display = display;
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| 131 | req2->width = width;
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| 132 | req2->height = height;
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| 133 | req2->bpp = bpp;
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| 134 | rc = VbglGRPerform(&req2->header);
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| 135 | if (RT_SUCCESS(rc))
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| 136 | {
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| 137 | bRC = req2->fSupported;
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| 138 | }
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| 139 | else
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| 140 | {
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| 141 | /* Retry using old inteface. */
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| 142 | AssertCompile(sizeof(VMMDevVideoModeSupportedRequest2) >= sizeof(VMMDevVideoModeSupportedRequest));
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| 143 | VMMDevVideoModeSupportedRequest *req = (VMMDevVideoModeSupportedRequest *)req2;
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| 144 | req->header.size = sizeof(VMMDevVideoModeSupportedRequest);
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| 145 | req->header.version = VMMDEV_REQUEST_HEADER_VERSION;
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| 146 | req->header.requestType = VMMDevReq_VideoModeSupported;
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| 147 | req->header.rc = VERR_GENERAL_FAILURE;
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| 148 | req->header.reserved1 = 0;
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| 149 | req->header.reserved2 = 0;
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| 150 | req->width = width;
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| 151 | req->height = height;
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| 152 | req->bpp = bpp;
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| 153 |
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| 154 | rc = VbglGRPerform(&req->header);
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| 155 | if (RT_SUCCESS(rc))
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| 156 | {
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| 157 | bRC = req->fSupported;
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| 158 | }
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| 159 | else
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| 160 | {
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| 161 | dprintf(("VBoxVideo::vboxLikesVideoMode: ERROR querying video mode supported status from VMMDev."
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| 162 | "rc = %Rrc\n", rc));
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| 163 | }
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| 164 | }
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| 165 | VbglGRFree(&req2->header);
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| 166 | }
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| 167 |
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| 168 | dprintf(("VBoxVideo::vboxLikesVideoMode: width: %d, height: %d, bpp: %d -> %s\n", width, height, bpp, (bRC == 1) ? "OK" : "FALSE"));
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| 169 |
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| 170 | return bRC;
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| 171 | }
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| 172 |
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| 173 | ULONG vboxGetHeightReduction()
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| 174 | {
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| 175 | ULONG retHeight = 0;
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| 176 |
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| 177 | dprintf(("VBoxVideo::vboxGetHeightReduction\n"));
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| 178 |
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| 179 | VMMDevGetHeightReductionRequest *req = NULL;
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| 180 |
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| 181 | int rc = VbglGRAlloc((VMMDevRequestHeader**)&req, sizeof(VMMDevGetHeightReductionRequest), VMMDevReq_GetHeightReduction);
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| 182 | if (RT_FAILURE(rc))
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| 183 | {
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| 184 | dprintf(("VBoxVideo::vboxGetHeightReduction: ERROR allocating request, rc = %Rrc\n", rc));
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| 185 | }
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| 186 | else
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| 187 | {
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| 188 | rc = VbglGRPerform(&req->header);
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| 189 | if (RT_SUCCESS(rc))
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| 190 | {
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| 191 | retHeight = (ULONG)req->heightReduction;
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| 192 | }
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| 193 | else
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| 194 | {
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| 195 | dprintf(("VBoxVideo::vboxGetHeightReduction: ERROR querying height reduction value from VMMDev. "
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| 196 | "rc = %Rrc\n", rc));
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| 197 | }
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| 198 | VbglGRFree(&req->header);
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| 199 | }
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| 200 |
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| 201 | dprintf(("VBoxVideoMode::vboxGetHeightReduction: returning %d\n", retHeight));
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| 202 | return retHeight;
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| 203 | }
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| 204 |
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| 205 | static BOOLEAN vboxQueryPointerPosInternal (uint16_t *pointerXPos, uint16_t *pointerYPos)
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| 206 | {
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| 207 | BOOLEAN bRC = FALSE;
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| 208 |
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| 209 | /* Activate next line only when really needed; floods the log very quickly! */
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| 210 | /*dprintf(("VBoxVideo::vboxQueryPointerPosInternal: pointerXPos = %p, pointerYPos = %p\n", pointerXPos, pointerYPos));*/
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| 211 |
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| 212 | VMMDevReqMouseStatus *req = NULL;
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| 213 |
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| 214 | int rc = VbglGRAlloc ((VMMDevRequestHeader **)&req, sizeof (VMMDevReqMouseStatus), VMMDevReq_GetMouseStatus);
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| 215 |
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| 216 | if (RT_FAILURE(rc))
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| 217 | {
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| 218 | dprintf(("VBoxVideo::vboxQueryPointerPosInternal: ERROR allocating request, rc = %Rrc\n", rc));
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| 219 | }
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| 220 | else
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| 221 | {
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| 222 | rc = VbglGRPerform (&req->header);
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| 223 |
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| 224 | if (RT_SUCCESS(rc))
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| 225 | {
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| 226 | if (req->mouseFeatures & VMMDEV_MOUSE_HOST_CAN_ABSOLUTE)
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| 227 | {
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| 228 | if (pointerXPos)
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| 229 | {
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| 230 | *pointerXPos = req->pointerXPos;
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| 231 | }
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| 232 |
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| 233 | if (pointerYPos)
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| 234 | {
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| 235 | *pointerYPos = req->pointerYPos;
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| 236 | }
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| 237 |
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| 238 | bRC = TRUE;
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| 239 | }
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| 240 | }
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| 241 | else
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| 242 | {
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| 243 | dprintf(("VBoxVideo::vboxQueryPointerPosInternal: ERROR querying mouse capabilities from VMMDev. "
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| 244 | "rc = %Rrc\n", rc));
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| 245 | }
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| 246 |
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| 247 | VbglGRFree (&req->header);
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| 248 | }
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| 249 |
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| 250 | return bRC;
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| 251 | }
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| 252 |
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| 253 | /**
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| 254 | * Return the current absolute mouse position in normalized format
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| 255 | * (between 0 and 0xFFFF).
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| 256 | *
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| 257 | * @returns BOOLEAN success indicator
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| 258 | * @param pointerXPos address of result variable for x pos
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| 259 | * @param pointerYPos address of result variable for y pos
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| 260 | */
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| 261 | BOOLEAN vboxQueryPointerPos(uint16_t *pointerXPos, uint16_t *pointerYPos)
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| 262 | {
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| 263 | if (!pointerXPos || !pointerYPos)
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| 264 | {
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| 265 | return FALSE;
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| 266 | }
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| 267 |
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| 268 | return vboxQueryPointerPosInternal (pointerXPos, pointerYPos);
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| 269 | }
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| 270 |
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| 271 | /**
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| 272 | * Returns whether the host wants us to take absolute coordinates.
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| 273 | *
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| 274 | * @returns BOOLEAN TRUE if the host wants to send absolute coordinates.
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| 275 | */
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| 276 | BOOLEAN vboxQueryHostWantsAbsolute (void)
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| 277 | {
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| 278 | return vboxQueryPointerPosInternal (NULL, NULL);
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| 279 | }
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| 280 |
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| 281 | winVersion_t vboxQueryWinVersion()
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| 282 | {
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| 283 | static winVersion_t winVersion = UNKNOWN_WINVERSION;
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| 284 | ULONG majorVersion;
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| 285 | ULONG minorVersion;
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| 286 | ULONG buildNumber;
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| 287 |
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| 288 | if (winVersion != UNKNOWN_WINVERSION)
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| 289 | return winVersion;
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| 290 |
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| 291 | PsGetVersion(&majorVersion, &minorVersion, &buildNumber, NULL);
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| 292 |
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| 293 | dprintf(("VBoxVideo::vboxQueryWinVersion: running on Windows NT version %d.%d, build %d\n",
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| 294 | majorVersion, minorVersion, buildNumber));
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| 295 | if(majorVersion == 6)
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| 296 | {
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| 297 | if (minorVersion == 1)
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| 298 | winVersion = WIN7;
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| 299 | else if (minorVersion == 0)
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| 300 | winVersion = WINVISTA; /* Or Windows Server 2008. */
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| 301 | }
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| 302 | else if (majorVersion == 5)
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| 303 | {
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| 304 | if (minorVersion >= 1)
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| 305 | {
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| 306 | winVersion = WINXP;
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| 307 | } else
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| 308 | {
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| 309 | winVersion = WIN2K;
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| 310 | }
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| 311 | }
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| 312 | else if (majorVersion == 4)
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| 313 | {
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| 314 | winVersion = WINNT4;
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| 315 | }
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| 316 | else
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| 317 | {
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| 318 | dprintf(("VBoxVideo::vboxQueryWinVersion: NT4 required!\n"));
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| 319 | }
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| 320 | return winVersion;
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| 321 | }
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| 322 |
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| 323 | #ifndef VBOX_WITH_HGSMI
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| 324 | /**
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| 325 | * Sends the pointer shape to the VMMDev
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| 326 | *
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| 327 | * @returns success indicator
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| 328 | * @param pointerAttr pointer description
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| 329 | */
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| 330 | BOOLEAN vboxUpdatePointerShape(PVIDEO_POINTER_ATTRIBUTES pointerAttr, uint32_t cbLength)
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| 331 | {
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| 332 | uint32_t cbData = 0;
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| 333 |
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| 334 | if (pointerAttr->Enable & VBOX_MOUSE_POINTER_SHAPE)
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| 335 | {
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| 336 | cbData = ((((pointerAttr->Width + 7) / 8) * pointerAttr->Height + 3) & ~3)
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| 337 | + pointerAttr->Width * 4 * pointerAttr->Height;
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| 338 | }
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| 339 |
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| 340 | if (cbData > cbLength - sizeof(VIDEO_POINTER_ATTRIBUTES))
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| 341 | {
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| 342 | dprintf(("vboxUpdatePointerShape: calculated pointer data size is too big (%d bytes, limit %d)\n",
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| 343 | cbData, cbLength - sizeof(VIDEO_POINTER_ATTRIBUTES)));
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| 344 | return FALSE;
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| 345 | }
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| 346 |
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| 347 | BOOLEAN bRC = FALSE;
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| 348 |
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| 349 | VMMDevReqMousePointer *req = NULL;
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| 350 |
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| 351 | int rc = VbglGRAlloc ((VMMDevRequestHeader **)&req, sizeof (VMMDevReqMousePointer) + cbData, VMMDevReq_SetPointerShape);
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| 352 |
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| 353 | if (RT_FAILURE(rc))
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| 354 | {
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| 355 | dprintf(("VBoxVideo::vboxUpdatePointerShape: ERROR allocating request, rc = %Rrc\n", rc));
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| 356 | }
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| 357 | else
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| 358 | {
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| 359 | /* Activate next line only when really needed; floods the log very quickly! */
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| 360 | /*dprintf(("VBoxVideo::vboxUpdatePointerShape: req->u32Version = %08X\n", req->header.version));*/
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| 361 |
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| 362 | /* We have our custom flags in the field */
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| 363 | req->fFlags = pointerAttr->Enable & 0xFFFF;
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| 364 |
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| 365 | /* Even if pointer is invisible, we have to pass following data,
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| 366 | * so host could create the pointer with initial status - invisible
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| 367 | */
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| 368 | req->xHot = (pointerAttr->Enable >> 16) & 0xFF;
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| 369 | req->yHot = (pointerAttr->Enable >> 24) & 0xFF;
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| 370 | req->width = pointerAttr->Width;
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| 371 | req->height = pointerAttr->Height;
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| 372 |
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| 373 | if (req->fFlags & VBOX_MOUSE_POINTER_SHAPE)
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| 374 | {
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| 375 | /* copy the actual pointer data */
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| 376 | memcpy (req->pointerData, pointerAttr->Pixels, cbData);
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| 377 | }
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| 378 |
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| 379 | rc = VbglGRPerform (&req->header);
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| 380 |
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| 381 | if (RT_SUCCESS(rc))
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| 382 | {
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| 383 | bRC = TRUE;
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| 384 | }
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| 385 | else
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| 386 | {
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| 387 | dprintf(("VBoxVideo::vboxUpdatePointerShape: ERROR querying mouse capabilities from VMMDev. "
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| 388 | "rc = %Rrc\n", rc));
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| 389 | }
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| 390 |
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| 391 | dprintf(("VBoxVideo::vboxUpdatePointerShape: req->u32Version = %08X\n", req->header.version));
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| 392 |
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| 393 | VbglGRFree (&req->header);
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| 394 | }
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| 395 |
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| 396 | return bRC;
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| 397 | }
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| 398 | #endif /* VBOX_WITH_HGSMI */
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