| 1 | /* $Id$ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * VBoxGuestR3Lib - Ring-3 Support Library for VirtualBox guest additions, Video.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2007 innotek GmbH
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | */
|
|---|
| 17 |
|
|---|
| 18 |
|
|---|
| 19 | /*******************************************************************************
|
|---|
| 20 | * Header Files *
|
|---|
| 21 | *******************************************************************************/
|
|---|
| 22 | #include <iprt/string.h>
|
|---|
| 23 | #include <iprt/mem.h>
|
|---|
| 24 | #include <iprt/assert.h>
|
|---|
| 25 | #include <VBox/log.h>
|
|---|
| 26 |
|
|---|
| 27 | #include "VBGLR3Internal.h"
|
|---|
| 28 |
|
|---|
| 29 |
|
|---|
| 30 | /**
|
|---|
| 31 | * Enable or disable video acceleration.
|
|---|
| 32 | *
|
|---|
| 33 | * @returns VBox status code.
|
|---|
| 34 | *
|
|---|
| 35 | * @param fEnable Pass zero to disable, any other value to enable.
|
|---|
| 36 | */
|
|---|
| 37 | VBGLR3DECL(int) VbglR3VideoAccelEnable(bool fEnable)
|
|---|
| 38 | {
|
|---|
| 39 | VMMDevVideoAccelEnable Req;
|
|---|
| 40 | vmmdevInitRequest(&Req.header, VMMDevReq_VideoAccelEnable);
|
|---|
| 41 | Req.u32Enable = fEnable;
|
|---|
| 42 | Req.cbRingBuffer = VBVA_RING_BUFFER_SIZE;
|
|---|
| 43 | Req.fu32Status = 0;
|
|---|
| 44 | return vbglR3GRPerform(&Req.header);
|
|---|
| 45 | }
|
|---|
| 46 |
|
|---|
| 47 |
|
|---|
| 48 | /**
|
|---|
| 49 | * Flush the video buffer.
|
|---|
| 50 | *
|
|---|
| 51 | * @returns VBox status code.
|
|---|
| 52 | */
|
|---|
| 53 | VBGLR3DECL(int) VbglR3VideoAccelFlush(void)
|
|---|
| 54 | {
|
|---|
| 55 | VMMDevVideoAccelFlush Req;
|
|---|
| 56 | vmmdevInitRequest(&Req.header, VMMDevReq_VideoAccelFlush);
|
|---|
| 57 | return vbglR3GRPerform(&Req.header);
|
|---|
| 58 | }
|
|---|
| 59 |
|
|---|
| 60 |
|
|---|
| 61 | /**
|
|---|
| 62 | * Send mouse pointer shape information to the host.
|
|---|
| 63 | *
|
|---|
| 64 | * @returns VBox status code.
|
|---|
| 65 | *
|
|---|
| 66 | * @param fFlags Mouse pointer flags.
|
|---|
| 67 | * @param xHot X coordinate of hot spot.
|
|---|
| 68 | * @param yHot Y coordinate of hot spot.
|
|---|
| 69 | * @param cx Pointer width.
|
|---|
| 70 | * @param cy Pointer height.
|
|---|
| 71 | * @param pvImg Pointer to the image data (can be NULL).
|
|---|
| 72 | * @param cbImg Size of the image data pointed to by pvImg.
|
|---|
| 73 | */
|
|---|
| 74 | VBGLR3DECL(int) VbglR3SetPointerShape(uint32_t fFlags, uint32_t xHot, uint32_t yHot, uint32_t cx, uint32_t cy, const void *pvImg, size_t cbImg)
|
|---|
| 75 | {
|
|---|
| 76 | VMMDevReqMousePointer *pReq;
|
|---|
| 77 | int rc = vbglR3GRAlloc((VMMDevRequestHeader **)&pReq, RT_OFFSETOF(VMMDevReqMousePointer, pointerData) + cbImg, VMMDevReq_SetPointerShape);
|
|---|
| 78 | if (RT_SUCCESS(rc))
|
|---|
| 79 | {
|
|---|
| 80 | pReq->fFlags = fFlags;
|
|---|
| 81 | pReq->xHot = xHot;
|
|---|
| 82 | pReq->yHot = yHot;
|
|---|
| 83 | pReq->width = cx;
|
|---|
| 84 | pReq->height = cy;
|
|---|
| 85 | if (pvImg)
|
|---|
| 86 | memcpy(pReq->pointerData, pvImg, cbImg);
|
|---|
| 87 |
|
|---|
| 88 | rc = vbglR3GRPerform(&pReq->header);
|
|---|
| 89 | vbglR3GRFree(&pReq->header);
|
|---|
| 90 | if (RT_SUCCESS(rc))
|
|---|
| 91 | rc = pReq->header.rc;
|
|---|
| 92 | }
|
|---|
| 93 | return rc;
|
|---|
| 94 | }
|
|---|
| 95 |
|
|---|
| 96 |
|
|---|
| 97 | /**
|
|---|
| 98 | * Send mouse pointer shape information to the host.
|
|---|
| 99 | * This version of the function accepts a request for clients that
|
|---|
| 100 | * already allocate and manipulate the request structure directly.
|
|---|
| 101 | *
|
|---|
| 102 | * @returns VBox status code.
|
|---|
| 103 | *
|
|---|
| 104 | * @param pReq Pointer to the VMMDevReqMousePointer structure.
|
|---|
| 105 | */
|
|---|
| 106 | VBGLR3DECL(int) VbglR3SetPointerShapeReq(VMMDevReqMousePointer *pReq)
|
|---|
| 107 | {
|
|---|
| 108 | int rc = vbglR3GRPerform(&pReq->header);
|
|---|
| 109 | if (RT_SUCCESS(rc))
|
|---|
| 110 | rc = pReq->header.rc;
|
|---|
| 111 | return rc;
|
|---|
| 112 | }
|
|---|
| 113 |
|
|---|
| 114 |
|
|---|
| 115 | /**
|
|---|
| 116 | * Query the last display change request.
|
|---|
| 117 | *
|
|---|
| 118 | * @returns iprt status value
|
|---|
| 119 | * @param pcx Where to store the horizontal pixel resolution (0 = do not change).
|
|---|
| 120 | * @param pcy Where to store the vertical pixel resolution (0 = do not change).
|
|---|
| 121 | * @param pcBits Where to store the bits per pixel (0 = do not change).
|
|---|
| 122 | * @param iDisplay Where to store the display number the request was for - 0 for the
|
|---|
| 123 | * primary display, 1 for the first secondary, etc.
|
|---|
| 124 | */
|
|---|
| 125 | VBGLR3DECL(int) VbglR3GetLastDisplayChangeRequest(uint32_t *pcx, uint32_t *pcy, uint32_t *pcBits,
|
|---|
| 126 | uint32_t *piDisplay)
|
|---|
| 127 | {
|
|---|
| 128 | VMMDevDisplayChangeRequest2 Req = { { 0 } };
|
|---|
| 129 |
|
|---|
| 130 | #ifndef VBOX_VBGLR3_XFREE86
|
|---|
| 131 | AssertPtrReturn(pcx, VERR_INVALID_PARAMETER);
|
|---|
| 132 | AssertPtrReturn(pcy, VERR_INVALID_PARAMETER);
|
|---|
| 133 | AssertPtrReturn(pcBits, VERR_INVALID_PARAMETER);
|
|---|
| 134 | AssertPtrReturn(piDisplay, VERR_INVALID_PARAMETER);
|
|---|
| 135 | #endif
|
|---|
| 136 | vmmdevInitRequest(&Req.header, VMMDevReq_GetDisplayChangeRequest2);
|
|---|
| 137 | int rc = vbglR3GRPerform(&Req.header);
|
|---|
| 138 | if (RT_SUCCESS(rc))
|
|---|
| 139 | rc = Req.header.rc;
|
|---|
| 140 | if (RT_SUCCESS(rc))
|
|---|
| 141 | {
|
|---|
| 142 | *pcx = Req.xres;
|
|---|
| 143 | *pcy = Req.yres;
|
|---|
| 144 | *pcBits = Req.bpp;
|
|---|
| 145 | *piDisplay = Req.display;
|
|---|
| 146 | }
|
|---|
| 147 | return rc;
|
|---|
| 148 | }
|
|---|
| 149 |
|
|---|
| 150 | /**
|
|---|
| 151 | * Wait for a display change request event from the host. These events must have been
|
|---|
| 152 | * activated previously using VbglR3CtlFilterMask.
|
|---|
| 153 | *
|
|---|
| 154 | * @returns IPRT status value
|
|---|
| 155 | * @param pcx on success, where to return the requested display width. 0 means no
|
|---|
| 156 | * change.
|
|---|
| 157 | * @param pcy on success, where to return the requested display height. 0 means no
|
|---|
| 158 | * change.
|
|---|
| 159 | * @param pcBits on success, where to return the requested bits per pixel. 0 means no
|
|---|
| 160 | * change.
|
|---|
| 161 | * @param piDisplay on success, where to return the index of the display to be changed.
|
|---|
| 162 | */
|
|---|
| 163 | VBGLR3DECL(int) VbglR3DisplayChangeWaitEvent(uint32_t *pcx, uint32_t *pcy, uint32_t *pcBits,
|
|---|
| 164 | uint32_t *piDisplay)
|
|---|
| 165 | {
|
|---|
| 166 | VBoxGuestWaitEventInfo waitEvent;
|
|---|
| 167 | int rc;
|
|---|
| 168 |
|
|---|
| 169 | #ifndef VBOX_VBGLR3_XFREE86
|
|---|
| 170 | AssertPtrReturn(pcx, VERR_INVALID_PARAMETER);
|
|---|
| 171 | AssertPtrReturn(pcy, VERR_INVALID_PARAMETER);
|
|---|
| 172 | AssertPtrReturn(pcBits, VERR_INVALID_PARAMETER);
|
|---|
| 173 | AssertPtrReturn(piDisplay, VERR_INVALID_PARAMETER);
|
|---|
| 174 | #endif
|
|---|
| 175 | waitEvent.u32TimeoutIn = RT_INDEFINITE_WAIT;
|
|---|
| 176 | waitEvent.u32EventMaskIn = VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST;
|
|---|
| 177 | waitEvent.u32Result = VBOXGUEST_WAITEVENT_ERROR;
|
|---|
| 178 | waitEvent.u32EventFlagsOut = 0;
|
|---|
| 179 | rc = vbglR3DoIOCtl(VBOXGUEST_IOCTL_WAITEVENT, &waitEvent, sizeof(waitEvent));
|
|---|
| 180 | if (RT_SUCCESS(rc))
|
|---|
| 181 | {
|
|---|
| 182 | /* did we get the right event? */
|
|---|
| 183 | if (waitEvent.u32EventFlagsOut & VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST)
|
|---|
| 184 | {
|
|---|
| 185 | VMMDevDisplayChangeRequest2 Req = { { 0 } };
|
|---|
| 186 | vmmdevInitRequest(&Req.header, VMMDevReq_GetDisplayChangeRequest2);
|
|---|
| 187 | Req.eventAck = VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST;
|
|---|
| 188 | int rc = vbglR3GRPerform(&Req.header);
|
|---|
| 189 | if (RT_SUCCESS(rc))
|
|---|
| 190 | rc = Req.header.rc;
|
|---|
| 191 | if (RT_SUCCESS(rc))
|
|---|
| 192 | {
|
|---|
| 193 | *pcx = Req.xres;
|
|---|
| 194 | *pcy = Req.yres;
|
|---|
| 195 | *pcBits = Req.bpp;
|
|---|
| 196 | *piDisplay = Req.display;
|
|---|
| 197 | }
|
|---|
| 198 | }
|
|---|
| 199 | else
|
|---|
| 200 | rc = VERR_TRY_AGAIN;
|
|---|
| 201 | }
|
|---|
| 202 | return rc;
|
|---|
| 203 | }
|
|---|
| 204 |
|
|---|
| 205 | /**
|
|---|
| 206 | * Query the host as to whether it likes a specific video mode.
|
|---|
| 207 | *
|
|---|
| 208 | * @returns the result of the query
|
|---|
| 209 | * @param cx the width of the mode being queried
|
|---|
| 210 | * @param cy the height of the mode being queried
|
|---|
| 211 | * @param cBits the bpp of the mode being queried
|
|---|
| 212 | */
|
|---|
| 213 | VBGLR3DECL(bool) VbglR3HostLikesVideoMode(uint32_t cx, uint32_t cy,
|
|---|
| 214 | uint32_t cBits)
|
|---|
| 215 | {
|
|---|
| 216 | bool fRc = false;
|
|---|
| 217 | int rc;
|
|---|
| 218 | VMMDevVideoModeSupportedRequest req;
|
|---|
| 219 |
|
|---|
| 220 | vmmdevInitRequest(&req.header, VMMDevReq_VideoModeSupported);
|
|---|
| 221 | req.width = cx;
|
|---|
| 222 | req.height = cy;
|
|---|
| 223 | req.bpp = cBits;
|
|---|
| 224 | req.fSupported = false;
|
|---|
| 225 | rc = vbglR3GRPerform(&req.header);
|
|---|
| 226 | if (RT_SUCCESS(rc) && RT_SUCCESS(req.header.rc))
|
|---|
| 227 | fRc = req.fSupported;
|
|---|
| 228 | else
|
|---|
| 229 | LogRelFunc(("error querying video mode supported status from VMMDev."
|
|---|
| 230 | "rc = %Vrc, VMMDev rc = %Vrc\n", rc, req.header.rc));
|
|---|
| 231 | return fRc;
|
|---|
| 232 | }
|
|---|
