1 | /* $Id: VBoxGuestR3LibVideo.cpp 44528 2013-02-04 14:27:54Z vboxsync $ */
|
---|
2 | /** @file
|
---|
3 | * VBoxGuestR3Lib - Ring-3 Support Library for VirtualBox guest additions, Video.
|
---|
4 | */
|
---|
5 |
|
---|
6 | /*
|
---|
7 | * Copyright (C) 2007-2012 Oracle Corporation
|
---|
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 | * The contents of this file may alternatively be used under the terms
|
---|
18 | * of the Common Development and Distribution License Version 1.0
|
---|
19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
---|
20 | * VirtualBox OSE distribution, in which case the provisions of the
|
---|
21 | * CDDL are applicable instead of those of the GPL.
|
---|
22 | *
|
---|
23 | * You may elect to license modified versions of this file under the
|
---|
24 | * terms and conditions of either the GPL or the CDDL or both.
|
---|
25 | */
|
---|
26 |
|
---|
27 |
|
---|
28 | /*******************************************************************************
|
---|
29 | * Header Files *
|
---|
30 | *******************************************************************************/
|
---|
31 | #include <iprt/assert.h>
|
---|
32 | #ifndef VBOX_VBGLR3_XFREE86
|
---|
33 | # include <iprt/mem.h>
|
---|
34 | #endif
|
---|
35 | #include <iprt/string.h>
|
---|
36 | #include <VBox/log.h>
|
---|
37 | #include <VBox/HostServices/GuestPropertySvc.h> /* For Save and RetrieveVideoMode */
|
---|
38 |
|
---|
39 | #include "VBGLR3Internal.h"
|
---|
40 |
|
---|
41 | #ifdef VBOX_VBGLR3_XFREE86
|
---|
42 | /* Rather than try to resolve all the header file conflicts, I will just
|
---|
43 | prototype what we need here. */
|
---|
44 | extern "C" void* xf86memcpy(void*,const void*,xf86size_t);
|
---|
45 | # undef memcpy
|
---|
46 | # define memcpy xf86memcpy
|
---|
47 | extern "C" void* xf86memset(const void*,int,xf86size_t);
|
---|
48 | # undef memset
|
---|
49 | # define memset xf86memset
|
---|
50 | #endif /* VBOX_VBGLR3_XFREE86 */
|
---|
51 |
|
---|
52 | #define VIDEO_PROP_PREFIX "/VirtualBox/GuestAdd/Vbgl/Video/"
|
---|
53 |
|
---|
54 | /**
|
---|
55 | * Enable or disable video acceleration.
|
---|
56 | *
|
---|
57 | * @returns VBox status code.
|
---|
58 | *
|
---|
59 | * @param fEnable Pass zero to disable, any other value to enable.
|
---|
60 | */
|
---|
61 | VBGLR3DECL(int) VbglR3VideoAccelEnable(bool fEnable)
|
---|
62 | {
|
---|
63 | VMMDevVideoAccelEnable Req;
|
---|
64 | vmmdevInitRequest(&Req.header, VMMDevReq_VideoAccelEnable);
|
---|
65 | Req.u32Enable = fEnable;
|
---|
66 | Req.cbRingBuffer = VBVA_RING_BUFFER_SIZE;
|
---|
67 | Req.fu32Status = 0;
|
---|
68 | return vbglR3GRPerform(&Req.header);
|
---|
69 | }
|
---|
70 |
|
---|
71 |
|
---|
72 | /**
|
---|
73 | * Flush the video buffer.
|
---|
74 | *
|
---|
75 | * @returns VBox status code.
|
---|
76 | */
|
---|
77 | VBGLR3DECL(int) VbglR3VideoAccelFlush(void)
|
---|
78 | {
|
---|
79 | VMMDevVideoAccelFlush Req;
|
---|
80 | vmmdevInitRequest(&Req.header, VMMDevReq_VideoAccelFlush);
|
---|
81 | return vbglR3GRPerform(&Req.header);
|
---|
82 | }
|
---|
83 |
|
---|
84 |
|
---|
85 | /**
|
---|
86 | * Send mouse pointer shape information to the host.
|
---|
87 | *
|
---|
88 | * @returns VBox status code.
|
---|
89 | *
|
---|
90 | * @param fFlags Mouse pointer flags.
|
---|
91 | * @param xHot X coordinate of hot spot.
|
---|
92 | * @param yHot Y coordinate of hot spot.
|
---|
93 | * @param cx Pointer width.
|
---|
94 | * @param cy Pointer height.
|
---|
95 | * @param pvImg Pointer to the image data (can be NULL).
|
---|
96 | * @param cbImg Size of the image data pointed to by pvImg.
|
---|
97 | */
|
---|
98 | VBGLR3DECL(int) VbglR3SetPointerShape(uint32_t fFlags, uint32_t xHot, uint32_t yHot, uint32_t cx, uint32_t cy, const void *pvImg, size_t cbImg)
|
---|
99 | {
|
---|
100 | VMMDevReqMousePointer *pReq;
|
---|
101 | size_t cbReq = vmmdevGetMousePointerReqSize(cx, cy);
|
---|
102 | AssertReturn( !pvImg
|
---|
103 | || cbReq == RT_OFFSETOF(VMMDevReqMousePointer, pointerData) + cbImg,
|
---|
104 | VERR_INVALID_PARAMETER);
|
---|
105 | int rc = vbglR3GRAlloc((VMMDevRequestHeader **)&pReq, cbReq,
|
---|
106 | VMMDevReq_SetPointerShape);
|
---|
107 | if (RT_SUCCESS(rc))
|
---|
108 | {
|
---|
109 | pReq->fFlags = fFlags;
|
---|
110 | pReq->xHot = xHot;
|
---|
111 | pReq->yHot = yHot;
|
---|
112 | pReq->width = cx;
|
---|
113 | pReq->height = cy;
|
---|
114 | if (pvImg)
|
---|
115 | memcpy(pReq->pointerData, pvImg, cbImg);
|
---|
116 |
|
---|
117 | rc = vbglR3GRPerform(&pReq->header);
|
---|
118 | if (RT_SUCCESS(rc))
|
---|
119 | rc = pReq->header.rc;
|
---|
120 | vbglR3GRFree(&pReq->header);
|
---|
121 | }
|
---|
122 | return rc;
|
---|
123 | }
|
---|
124 |
|
---|
125 |
|
---|
126 | /**
|
---|
127 | * Send mouse pointer shape information to the host.
|
---|
128 | * This version of the function accepts a request for clients that
|
---|
129 | * already allocate and manipulate the request structure directly.
|
---|
130 | *
|
---|
131 | * @returns VBox status code.
|
---|
132 | *
|
---|
133 | * @param pReq Pointer to the VMMDevReqMousePointer structure.
|
---|
134 | */
|
---|
135 | VBGLR3DECL(int) VbglR3SetPointerShapeReq(VMMDevReqMousePointer *pReq)
|
---|
136 | {
|
---|
137 | int rc = vbglR3GRPerform(&pReq->header);
|
---|
138 | if (RT_SUCCESS(rc))
|
---|
139 | rc = pReq->header.rc;
|
---|
140 | return rc;
|
---|
141 | }
|
---|
142 | /**
|
---|
143 | * Query the last display change request sent from the host to the guest.
|
---|
144 | *
|
---|
145 | * @returns iprt status value
|
---|
146 | * @param pcx Where to store the horizontal pixel resolution
|
---|
147 | * requested (a value of zero means do not change).
|
---|
148 | * @param pcy Where to store the vertical pixel resolution
|
---|
149 | * requested (a value of zero means do not change).
|
---|
150 | * @param pcBits Where to store the bits per pixel requested (a value
|
---|
151 | * of zero means do not change).
|
---|
152 | * @param iDisplay Where to store the display number the request was for
|
---|
153 | * - 0 for the primary display, 1 for the first
|
---|
154 | * secondary display, etc.
|
---|
155 | * @param fAck whether or not to acknowledge the newest request sent by
|
---|
156 | * the host. If this is set, the function will return the
|
---|
157 | * most recent host request, otherwise it will return the
|
---|
158 | * last request to be acknowledged.
|
---|
159 | *
|
---|
160 | * @param pcOriginX New horizontal position of the secondary monitor.
|
---|
161 | * @param pcOriginY New vertical position of the secondary monitor.
|
---|
162 | * param pfEnabled Secondary monitor is enabled or not.
|
---|
163 | *
|
---|
164 | */
|
---|
165 | VBGLR3DECL(int) VbglR3GetDisplayChangeRequestEx(uint32_t *pcx, uint32_t *pcy, uint32_t *pcBits,
|
---|
166 | uint32_t *piDisplay, uint32_t *pcOriginX, uint32_t *pcOriginY,
|
---|
167 | bool *pfEnabled, bool fAck)
|
---|
168 | {
|
---|
169 | VMMDevDisplayChangeRequestEx Req;
|
---|
170 | int rc = VINF_SUCCESS;
|
---|
171 | AssertPtrReturn(pcx, VERR_INVALID_PARAMETER);
|
---|
172 | AssertPtrReturn(pcy, VERR_INVALID_PARAMETER);
|
---|
173 | AssertPtrReturn(pcBits, VERR_INVALID_PARAMETER);
|
---|
174 | AssertPtrReturn(pcOriginX, VERR_INVALID_PARAMETER);
|
---|
175 | AssertPtrReturn(pcOriginY, VERR_INVALID_PARAMETER);
|
---|
176 | AssertPtrReturn(piDisplay, VERR_INVALID_PARAMETER);
|
---|
177 | AssertPtrReturn(pfEnabled, VERR_INVALID_PARAMETER);
|
---|
178 | RT_ZERO(Req);
|
---|
179 | rc = vmmdevInitRequest(&Req.header, VMMDevReq_GetDisplayChangeRequestEx);
|
---|
180 | if (RT_FAILURE(rc))
|
---|
181 | {
|
---|
182 | LogRelFlowFunc(("DisplayChangeRequest Extended not supported. Can't Init the Req.\n"));
|
---|
183 | return rc;
|
---|
184 | }
|
---|
185 |
|
---|
186 | if (fAck)
|
---|
187 | Req.eventAck = VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST;
|
---|
188 | 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 | *pcOriginX = Req.cxOrigin;
|
---|
198 | *pcOriginY = Req.cyOrigin;
|
---|
199 | *pfEnabled = Req.fEnabled;
|
---|
200 | LogRel(("VbglR3GetDisplayChangeRequestEx: pcx=%d pcy=%d display=%d orgX=%d orgY=%d and Enabled=%d\n",
|
---|
201 | *pcx, *pcy, *piDisplay, *pcOriginX, *pcOriginY, *pfEnabled));
|
---|
202 | }
|
---|
203 | return rc;
|
---|
204 | }
|
---|
205 |
|
---|
206 |
|
---|
207 | /**
|
---|
208 | * Query the last display change request sent from the host to the guest.
|
---|
209 | *
|
---|
210 | * @returns iprt status value
|
---|
211 | * @param pcx Where to store the horizontal pixel resolution
|
---|
212 | * @param pcy Where to store the vertical pixel resolution
|
---|
213 | * requested (a value of zero means do not change).
|
---|
214 | * @param pcBits Where to store the bits per pixel requested (a value
|
---|
215 | * of zero means do not change).
|
---|
216 | * @param iDisplay Where to store the display number the request was for
|
---|
217 | * - 0 for the primary display, 1 for the first
|
---|
218 | * secondary display, etc.
|
---|
219 | * @param fAck whether or not to acknowledge the newest request sent by
|
---|
220 | * the host. If this is set, the function will return the
|
---|
221 | * most recent host request, otherwise it will return the
|
---|
222 | * last request to be acknowledged.
|
---|
223 | *
|
---|
224 | */
|
---|
225 | VBGLR3DECL(int) VbglR3GetDisplayChangeRequest(uint32_t *pcx, uint32_t *pcy, uint32_t *pcBits, uint32_t *piDisplay, bool fAck)
|
---|
226 | {
|
---|
227 | VMMDevDisplayChangeRequest2 Req;
|
---|
228 |
|
---|
229 | AssertPtrReturn(pcx, VERR_INVALID_PARAMETER);
|
---|
230 | AssertPtrReturn(pcy, VERR_INVALID_PARAMETER);
|
---|
231 | AssertPtrReturn(pcBits, VERR_INVALID_PARAMETER);
|
---|
232 | AssertPtrReturn(piDisplay, VERR_INVALID_PARAMETER);
|
---|
233 | RT_ZERO(Req);
|
---|
234 | vmmdevInitRequest(&Req.header, VMMDevReq_GetDisplayChangeRequest2);
|
---|
235 | if (fAck)
|
---|
236 | Req.eventAck = VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST;
|
---|
237 | int rc = vbglR3GRPerform(&Req.header);
|
---|
238 | if (RT_SUCCESS(rc))
|
---|
239 | rc = Req.header.rc;
|
---|
240 | if (RT_SUCCESS(rc))
|
---|
241 | {
|
---|
242 | *pcx = Req.xres;
|
---|
243 | *pcy = Req.yres;
|
---|
244 | *pcBits = Req.bpp;
|
---|
245 | *piDisplay = Req.display;
|
---|
246 | }
|
---|
247 | return rc;
|
---|
248 | }
|
---|
249 |
|
---|
250 |
|
---|
251 | /**
|
---|
252 | * Query the host as to whether it likes a specific video mode.
|
---|
253 | *
|
---|
254 | * @returns the result of the query
|
---|
255 | * @param cx the width of the mode being queried
|
---|
256 | * @param cy the height of the mode being queried
|
---|
257 | * @param cBits the bpp of the mode being queried
|
---|
258 | */
|
---|
259 | VBGLR3DECL(bool) VbglR3HostLikesVideoMode(uint32_t cx, uint32_t cy, uint32_t cBits)
|
---|
260 | {
|
---|
261 | bool fRc = true; /* If for some reason we can't contact the host then
|
---|
262 | * we like everything. */
|
---|
263 | int rc;
|
---|
264 | VMMDevVideoModeSupportedRequest req;
|
---|
265 |
|
---|
266 | vmmdevInitRequest(&req.header, VMMDevReq_VideoModeSupported);
|
---|
267 | req.width = cx;
|
---|
268 | req.height = cy;
|
---|
269 | req.bpp = cBits;
|
---|
270 | req.fSupported = true;
|
---|
271 | rc = vbglR3GRPerform(&req.header);
|
---|
272 | if (RT_SUCCESS(rc) && RT_SUCCESS(req.header.rc))
|
---|
273 | fRc = req.fSupported;
|
---|
274 | return fRc;
|
---|
275 | }
|
---|
276 |
|
---|
277 | /**
|
---|
278 | * Save video mode parameters to the registry.
|
---|
279 | *
|
---|
280 | * @returns iprt status value
|
---|
281 | * @param pszName the name to save the mode parameters under
|
---|
282 | * @param cx mode width
|
---|
283 | * @param cy mode height
|
---|
284 | * @param cBits bits per pixel for the mode
|
---|
285 | */
|
---|
286 | VBGLR3DECL(int) VbglR3SaveVideoMode(const char *pszName, uint32_t cx, uint32_t cy, uint32_t cBits)
|
---|
287 | {
|
---|
288 | #if defined(VBOX_WITH_GUEST_PROPS)
|
---|
289 | using namespace guestProp;
|
---|
290 |
|
---|
291 | char szModeName[MAX_NAME_LEN];
|
---|
292 | char szModeParms[MAX_VALUE_LEN];
|
---|
293 | uint32_t u32ClientId = 0;
|
---|
294 | RTStrPrintf(szModeName, sizeof(szModeName), VIDEO_PROP_PREFIX"%s", pszName);
|
---|
295 | RTStrPrintf(szModeParms, sizeof(szModeParms), "%dx%dx%d", cx, cy, cBits);
|
---|
296 | int rc = VbglR3GuestPropConnect(&u32ClientId);
|
---|
297 | if (RT_SUCCESS(rc))
|
---|
298 | rc = VbglR3GuestPropWriteValue(u32ClientId, szModeName, szModeParms);
|
---|
299 | if (u32ClientId != 0)
|
---|
300 | VbglR3GuestPropDisconnect(u32ClientId); /* Return value ignored, because what can we do anyway? */
|
---|
301 | return rc;
|
---|
302 | #else /* !VBOX_WITH_GUEST_PROPS */
|
---|
303 | return VERR_NOT_IMPLEMENTED;
|
---|
304 | #endif /* !VBOX_WITH_GUEST_PROPS */
|
---|
305 | }
|
---|
306 |
|
---|
307 |
|
---|
308 | /**
|
---|
309 | * Retrieve video mode parameters from the guest property store.
|
---|
310 | *
|
---|
311 | * @returns iprt status value
|
---|
312 | * @param pszName the name under which the mode parameters are saved
|
---|
313 | * @param pcx where to store the mode width
|
---|
314 | * @param pcy where to store the mode height
|
---|
315 | * @param pcBits where to store the bits per pixel for the mode
|
---|
316 | */
|
---|
317 | VBGLR3DECL(int) VbglR3RetrieveVideoMode(const char *pszName, uint32_t *pcx, uint32_t *pcy, uint32_t *pcBits)
|
---|
318 | {
|
---|
319 | #if defined(VBOX_WITH_GUEST_PROPS)
|
---|
320 | using namespace guestProp;
|
---|
321 |
|
---|
322 | /*
|
---|
323 | * First we retrieve the video mode which is saved as a string in the
|
---|
324 | * guest property store.
|
---|
325 | */
|
---|
326 | /* The buffer for VbglR3GuestPropReadValue. If this is too small then
|
---|
327 | * something is wrong with the data stored in the property. */
|
---|
328 | char szModeParms[1024];
|
---|
329 | uint32_t u32ClientId = 0;
|
---|
330 | uint32_t cx, cy, cBits;
|
---|
331 |
|
---|
332 | int rc = VbglR3GuestPropConnect(&u32ClientId);
|
---|
333 | if (RT_SUCCESS(rc))
|
---|
334 | {
|
---|
335 | char szModeName[MAX_NAME_LEN];
|
---|
336 | RTStrPrintf(szModeName, sizeof(szModeName), VIDEO_PROP_PREFIX"%s", pszName);
|
---|
337 | /** @todo add a VbglR3GuestPropReadValueF/FV that does the RTStrPrintf for you. */
|
---|
338 | rc = VbglR3GuestPropReadValue(u32ClientId, szModeName, szModeParms,
|
---|
339 | sizeof(szModeParms), NULL);
|
---|
340 | }
|
---|
341 |
|
---|
342 | /*
|
---|
343 | * Now we convert the string returned to numeric values.
|
---|
344 | */
|
---|
345 | char *pszNext;
|
---|
346 | if (RT_SUCCESS(rc))
|
---|
347 | /* Extract the width from the string */
|
---|
348 | rc = RTStrToUInt32Ex(szModeParms, &pszNext, 10, &cx);
|
---|
349 | if ((rc != VWRN_TRAILING_CHARS) || (*pszNext != 'x'))
|
---|
350 | rc = VERR_PARSE_ERROR;
|
---|
351 | if (RT_SUCCESS(rc))
|
---|
352 | {
|
---|
353 | /* Extract the height from the string */
|
---|
354 | ++pszNext;
|
---|
355 | rc = RTStrToUInt32Ex(pszNext, &pszNext, 10, &cy);
|
---|
356 | }
|
---|
357 | if ((rc != VWRN_TRAILING_CHARS) || (*pszNext != 'x'))
|
---|
358 | rc = VERR_PARSE_ERROR;
|
---|
359 | if (RT_SUCCESS(rc))
|
---|
360 | {
|
---|
361 | /* Extract the bpp from the string */
|
---|
362 | ++pszNext;
|
---|
363 | rc = RTStrToUInt32Full(pszNext, 10, &cBits);
|
---|
364 | }
|
---|
365 | if (rc != VINF_SUCCESS)
|
---|
366 | rc = VERR_PARSE_ERROR;
|
---|
367 |
|
---|
368 | /*
|
---|
369 | * And clean up and return the values if we successfully obtained them.
|
---|
370 | */
|
---|
371 | if (u32ClientId != 0)
|
---|
372 | VbglR3GuestPropDisconnect(u32ClientId); /* Return value ignored, because what can we do anyway? */
|
---|
373 | if (RT_SUCCESS(rc))
|
---|
374 | {
|
---|
375 | *pcx = cx;
|
---|
376 | *pcy = cy;
|
---|
377 | *pcBits = cBits;
|
---|
378 | }
|
---|
379 | return rc;
|
---|
380 | #else /* !VBOX_WITH_GUEST_PROPS */
|
---|
381 | return VERR_NOT_IMPLEMENTED;
|
---|
382 | #endif /* !VBOX_WITH_GUEST_PROPS */
|
---|
383 | }
|
---|