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source: vbox/trunk/src/VBox/GuestHost/OpenGL/include/cr_server.h@ 58529

最後變更 在這個檔案從58529是 55832,由 vboxsync 提交於 10 年 前

Host 3D: back to usage of DEPTH_STENCIL attachement.
  • 屬性 svn:eol-style 設為 native
  • 屬性 svn:keywords 設為 Id
檔案大小: 20.3 KB
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1/* Copyright (c) 2001, Stanford University
2 * All rights reserved.
3 *
4 * See the file LICENSE.txt for information on redistributing this software.
5 */
6
7#ifndef INCLUDE_CR_SERVER_H
8#define INCLUDE_CR_SERVER_H
9
10#include "cr_spu.h"
11#include "cr_net.h"
12#include "cr_hash.h"
13#include "cr_protocol.h"
14#include "cr_glstate.h"
15#include "cr_vreg.h"
16#include "cr_blitter.h"
17#include "cr_htable.h"
18#include "spu_dispatch_table.h"
19#include "cr_dump.h"
20
21#include "state/cr_currentpointers.h"
22
23#include <iprt/types.h>
24#include <iprt/err.h>
25#include <iprt/string.h>
26#include <iprt/list.h>
27#include <iprt/thread.h>
28#include <iprt/critsect.h>
29#include <iprt/semaphore.h>
30#include <iprt/memcache.h>
31
32#include <VBox/vmm/ssm.h>
33
34#include <VBox/VBoxVideo.h>
35#include <VBox/Hardware/VBoxVideoVBE.h>
36#include <VBox/VBoxVideo3D.h>
37#include <VBox/VBoxVideoHost3D.h>
38
39#ifdef __cplusplus
40extern "C" {
41#endif
42
43#define CR_MAX_WINDOWS 100
44#define CR_MAX_CLIENTS 64
45
46/*@todo must match MaxGuestMonitors from SchemaDefs.h*/
47#define CR_MAX_GUEST_MONITORS VBOX_VIDEO_MAX_SCREENS
48
49typedef DECLCALLBACKPTR(void, PFNCRSERVERPRESENTFBO) (void *data, int32_t screenId, int32_t x, int32_t y, uint32_t w, uint32_t h);
50
51/* Callbacks for output of the rendered frames.
52 *
53 * This allows to pass rendered frames to an external component rather than draw them on screen.
54 *
55 * An external component registers the redirection callbacks using crVBoxServerOutputRedirectSet.
56 *
57 * The list of formats supported by the caller is obtained using CRORContextProperty.
58 * The actual format choosed by the service is passed as a CRORBegin parameter.
59 */
60typedef struct {
61 const void *pvContext; /* Supplied by crVBoxServerOutputRedirectSet. */
62 DECLR3CALLBACKMEMBER(void, CRORBegin, (const void *pvContext, void **ppvInstance,
63 const char *pszFormat));
64 DECLR3CALLBACKMEMBER(void, CRORGeometry, (void *pvInstance,
65 int32_t x, int32_t y, uint32_t w, uint32_t h));
66 DECLR3CALLBACKMEMBER(void, CRORVisibleRegion, (void *pvInstance,
67 uint32_t cRects, const RTRECT *paRects));
68 DECLR3CALLBACKMEMBER(void, CRORFrame, (void *pvInstance,
69 void *pvData, uint32_t cbData));
70 DECLR3CALLBACKMEMBER(void, CROREnd, (void *pvInstance));
71 DECLR3CALLBACKMEMBER(int, CRORContextProperty, (const void *pvContext, uint32_t index,
72 void *pvBuffer, uint32_t cbBuffer, uint32_t *pcbOut));
73} CROutputRedirect;
74
75typedef struct {
76 CRrecti imagewindow; /**< coordinates in mural space */
77 CRrectf bounds; /**< normalized coordinates in [-1,-1] x [1,1] */
78 CRrecti outputwindow; /**< coordinates in server's rendering window */
79 CRrecti clippedImagewindow; /**< imagewindow clipped to current viewport */
80 CRmatrix baseProjection; /**< pre-multiplied onto projection matrix */
81 CRrecti scissorBox; /**< passed to back-end OpenGL */
82 CRrecti viewport; /**< passed to back-end OpenGL */
83 GLuint serialNo; /**< an optimization */
84} CRExtent;
85
86struct BucketingInfo;
87
88typedef struct {
89 char *pszDpyName;
90 GLint visualBits;
91 int32_t externalID;
92} CRCreateInfo_t;
93
94typedef struct {
95 char *pszDpyName;
96 int32_t externalID;
97 GLint requestedVisualBits;
98 GLint realVisualBits;
99} CRCreateInfoEx_t;
100
101/* VRAM->RAM worker thread */
102
103typedef enum
104{
105 CR_SERVER_RPW_STATE_UNINITIALIZED = 0,
106 CR_SERVER_RPW_STATE_INITIALIZING,
107 CR_SERVER_RPW_STATE_INITIALIZED,
108 CR_SERVER_RPW_STATE_UNINITIALIZING,
109} CR_SERVER_RPW_STATE;
110
111/* worker control command */
112typedef enum
113{
114 CR_SERVER_RPW_CTL_TYPE_UNDEFINED = 0,
115 CR_SERVER_RPW_CTL_TYPE_WAIT_COMPLETE,
116 CR_SERVER_RPW_CTL_TYPE_TERM
117} CR_SERVER_RPW_CTL_TYPE;
118
119struct CR_SERVER_RPW_ENTRY;
120
121typedef struct CR_SERVER_RPW_CTL {
122 CR_SERVER_RPW_CTL_TYPE enmType;
123 int rc;
124 RTSEMEVENT hCompleteEvent;
125 /* valid for *_WAIT_COMPLETE and *_CANCEL */
126 struct CR_SERVER_RPW_ENTRY *pEntry;
127} CR_SERVER_RPW_CTL;
128
129
130struct CR_SERVER_RPW_ENTRY;
131
132typedef DECLCALLBACKPTR(void, PFNCR_SERVER_RPW_DATA) (const struct CR_SERVER_RPW_ENTRY* pEntry, void *pvEntryTexData);
133
134typedef DECLCALLBACKPTR(void, PFNCRSERVERNOTIFYEVENT) (int32_t screenId, uint32_t uEvent, void* pvData, uint32_t cbData);
135
136typedef struct CR_SERVER_RPW_ENTRY
137{
138 RTRECTSIZE Size;
139 /* We have to use 4 textures here.
140 *
141 * 1. iDrawTex - the texture clients can draw to and then submit it for contents acquisition via crServerRpwEntrySubmit
142 * 2. iSubmittedTex - the texture submitted to the worker for processing and, whose processing has not start yet,
143 * i.e. it is being in the queue and can be safely removed/replaced [from] there
144 * 3. iWorkerTex - the texture being prepared & passed by the worker to the GPU (stage 1 of a worker contents acquisition process)
145 * 4. iGpuTex - the texture passed/processed to/by the GPU, whose data is then acquired by the server (stage 2 of a worker contents acquisition process)
146 *
147 * - There can be valid distinct iGpuTex, iWorkerTex, iSubmittedTex and iDrawTex present simultaneously.
148 * - Either or both of iSubmittedTex and iFreeTex are always valid
149 *
150 * Detail:
151 *
152 * - iSubmittedTex and iFreeTex modifications are performed under CR_SERVER_RPW::CritSect lock.
153 *
154 * - iDrawTex can only be changed by client side (i.e. the crServerRpwEntrySubmit caller), this is why client thread can access it w/o a lock
155 * - iSubmittedTex and iFreeTex can be modified by both client and worker, so lock is always required
156 *
157 * - iDrawTex can be accessed by client code only
158 * - iWorkerTex and iGpuTex can be accessed by worker code only
159 * - iSubmittedTex and iFreeTex can be accessed under CR_SERVER_RPW::CritSect lock only
160 * - either or both of iSubmittedTex and iFreeTex are always valid (see below for more explanation),
161 * this is why client can easily determine the new iDrawTex value on Submit, i.e. :
162 *
163 * (if initial iSubmittedTex was valid)
164 * ---------------
165 * | ^
166 * > |
167 * Submit-> iDrawTex -> iSubmittedTex
168 * ^
169 * | (if initial iSubmittedTex was NOT valid)
170 * iFreeTex
171 *
172 * - The worker can invalidate the iSubmittedTex (i.e. do iSubmittedTex -> iWorkerTex) only after it is done
173 * with the last iWorkerTex -> iGpuTex transformation freeing the previously used iGpuTex to iFreeTex.
174 *
175 * - A simplified worker iXxxTex transformation logic is:
176 * 1. iFreeTex is initially valid
177 * 2. iSubmittedTex -> iWorkerTex;
178 * 3. submit iWorkerTex acquire request to the GPU
179 * 4. complete current iGpuTex
180 * 5. iGpuTex -> iFreeTex
181 * 6. iWorkerTex -> iGpuTex
182 * 7. goto 1
183 *
184 * */
185 int8_t iTexDraw;
186 int8_t iTexSubmitted;
187 int8_t iTexWorker;
188 int8_t iTexGpu;
189 int8_t iCurPBO;
190 GLuint aidWorkerTexs[4];
191 GLuint aidPBOs[2];
192 RTLISTNODE WorkEntry;
193 RTLISTNODE WorkerWorkEntry;
194 RTLISTNODE GpuSubmittedEntry;
195 PFNCR_SERVER_RPW_DATA pfnData;
196} CR_SERVER_RPW_ENTRY;
197
198typedef struct CR_SERVER_RPW {
199 RTLISTNODE WorkList;
200 RTCRITSECT CritSect;
201 RTSEMEVENT hSubmitEvent;
202 /* only one outstanding command is supported,
203 * and ctl requests must be cynchronized, hold it right here */
204 CR_SERVER_RPW_CTL Ctl;
205 int ctxId;
206 GLint ctxVisBits;
207 RTTHREAD hThread;
208} CR_SERVER_RPW;
209/* */
210
211/* FRAMEBUFFER */
212typedef struct CR_FRAMEBUFFER *HCR_FRAMEBUFFER;
213typedef struct CR_FRAMEBUFFER_ENTRY *HCR_FRAMEBUFFER_ENTRY;
214/* */
215
216typedef struct CR_FBDATA
217{
218 HCR_FRAMEBUFFER hFb;
219 HCR_FRAMEBUFFER_ENTRY hFbEntry;
220 CR_TEXDATA* apTexDatas[2];
221} CR_FBDATA;
222/**
223 * Mural info
224 */
225typedef struct {
226 GLuint width, height;
227 GLint gX, gY; /*guest coordinates*/
228 GLint hX, hY; /*host coordinates, screenID related*/
229
230 int spuWindow; /*the SPU's corresponding window ID */
231
232 int screenId;
233
234 GLboolean bVisible; /*guest window is visible*/
235 GLubyte u8Unused; /*redirect to FBO instead of real host window*/
236 GLboolean bFbDraw; /*GL_FRONT buffer is drawn to directly*/
237 GLboolean fIsDummyRefference;
238
239 GLint cVisibleRects; /*count of visible rects*/
240 GLint *pVisibleRects; /*visible rects left, top, right, bottom*/
241 GLboolean bReceivedRects; /*indicates if guest did any updates for visible regions*/
242
243 GLuint cBuffers;
244 GLuint iBbBuffer;
245 GLuint aidFBOs[2];
246 GLuint aidColorTexs[2];
247
248 void *pvReserved;
249
250 CRCreateInfoEx_t CreateInfo;
251
252 /* to avoid saved state breakage we need to keep RT_OFFSETOF(CRMuralInfo, CreateInfo) intact
253 * this is why we place some FBO stuff to the tail
254 * @todo: once we need to increment a saved state version, we could refactor this structure */
255 GLint iCurDrawBuffer;
256 GLint iCurReadBuffer;
257
258 GLuint idDepthStencilRB;
259 GLuint fboWidth, fboHeight;
260
261 GLboolean fHasParentWindow;
262
263 GLboolean fRedirected;
264 GLboolean fForcePresentState;
265 GLboolean fOrPresentOnReenable;
266
267 GLboolean fIsVisible;
268
269 CR_TEXDATA aTexs[2];
270 uint32_t cUsedFBDatas;
271 CR_FBDATA *apUsedFBDatas[CR_MAX_GUEST_MONITORS];
272 CR_FBDATA aFBDatas[CR_MAX_GUEST_MONITORS];
273
274 /* bitfield representing contexts the mural has been ever current with
275 * we just reuse CR_STATE_SHAREDOBJ_USAGE_XXX API here for simplicity */
276 CRbitvalue ctxUsage[CR_MAX_BITARRAY];
277} CRMuralInfo;
278
279typedef struct {
280 CRContext *pContext;
281 int SpuContext;
282 CRCreateInfoEx_t CreateInfo;
283 CRMuralInfo * currentMural;
284} CRContextInfo;
285
286/**
287 * A client is basically an upstream Cr Node (connected via mothership)
288 */
289typedef struct _crclient {
290 int spu_id; /**< id of the last SPU in the client's SPU chain */
291 CRConnection *conn; /**< network connection from the client */
292 int number; /**< a unique number for each client */
293 uint64_t pid; /*guest pid*/
294 GLint currentContextNumber;
295 CRContextInfo *currentCtxInfo;
296 GLint currentWindow;
297 CRMuralInfo *currentMural;
298 GLint windowList[CR_MAX_WINDOWS];
299 GLint contextList[CR_MAX_CONTEXTS];
300#ifdef VBOXCR_LOGFPS
301 uint64_t timeUsed;
302#endif
303} CRClient;
304
305typedef struct _crclientnode {
306 CRClient *pClient;
307 struct _crclientnode *prev, *next;
308} CRClientNode;
309
310typedef struct CRPoly_t {
311 int npoints;
312 double *points;
313 struct CRPoly_t *next;
314} CRPoly;
315
316/**
317 * There's one of these run queue entries per client
318 * The run queue is a circular, doubly-linked list of these objects.
319 */
320typedef struct RunQueue_t {
321 CRClient *client;
322 int blocked;
323 struct RunQueue_t *next;
324 struct RunQueue_t *prev;
325} RunQueue;
326
327typedef struct {
328 GLint freeWindowID;
329 GLint freeContextID;
330 GLint freeClientID;
331} CRServerFreeIDsPool_t;
332
333typedef struct {
334 int32_t x, y;
335 uint32_t w, h;
336 uint64_t winID;
337} CRScreenInfo;
338
339typedef struct {
340 RTRECT Rect;
341} CRScreenViewportInfo;
342
343/* BFB (BlitFramebuffer Blitter) flags
344 * so far only CR_SERVER_BFB_ON_ALWAIS is supported and is alwais used if any flag is set */
345#define CR_SERVER_BFB_DISABLED 0
346#define CR_SERVER_BFB_ON_INVERTED_BLIT 1
347#define CR_SERVER_BFB_ON_STRAIGHT_BLIT 2
348#define CR_SERVER_BFB_ON_ALWAIS (CR_SERVER_BFB_ON_INVERTED_BLIT | CR_SERVER_BFB_ON_STRAIGHT_BLIT)
349
350typedef struct {
351 unsigned short tcpip_port;
352
353 CRScreenInfo screen[CR_MAX_GUEST_MONITORS];
354 CRScreenViewportInfo screenVieport[CR_MAX_GUEST_MONITORS];
355 int screenCount;
356
357 GLboolean fCrCmdEnabled;
358
359 GLboolean fProcessingPendedCommands;
360
361 int numClients;
362 CRClient *clients[CR_MAX_CLIENTS]; /**< array [numClients] */
363 CRClient *curClient;
364 CRClientNode *pCleanupClient; /*list of clients with pending clean up*/
365 CRHTABLE clientTable;
366 CRCurrentStatePointers current;
367
368 GLboolean firstCallCreateContext;
369 GLboolean firstCallMakeCurrent;
370 GLboolean bIsInLoadingState; /* Indicates if we're in process of loading VM snapshot */
371 GLboolean bIsInSavingState; /* Indicates if we're in process of saving VM snapshot */
372 GLboolean bForceMakeCurrentOnClientSwitch;
373 CRContextInfo *currentCtxInfo;
374 GLint currentWindow;
375 GLint currentNativeWindow;
376 CRMuralInfo *currentMural;
377
378 CRHashTable *muralTable; /**< hash table where all murals are stored */
379
380 int client_spu_id;
381
382 int mtu;
383 int buffer_size;
384 char protocol[1024];
385
386 SPU *head_spu;
387 SPUDispatchTable dispatch;
388
389 CRNetworkPointer return_ptr;
390 CRNetworkPointer writeback_ptr;
391
392 CRLimitsState limits; /**< GL limits for any contexts we create */
393
394 CRContextInfo MainContextInfo;
395
396 CRHashTable *contextTable; /**< hash table for rendering contexts */
397
398 CRHashTable *programTable; /**< for vertex programs */
399 GLuint currentProgram;
400
401 /* visBits -> dummy mural association */
402 CRHashTable *dummyMuralTable;
403
404 GLboolean fRootVrOn;
405 VBOXVR_LIST RootVr;
406 /* we need to translate Root Vr to each window coords, this one cpecifies the current translation point
407 * note that since window attributes modifications is performed in HGCM thread only and thus is serialized,
408 * we deal with the global RootVr data directly */
409 RTPOINT RootVrCurPoint;
410
411 /* blitter so far used for working around host drivers BlitFramebuffer bugs
412 * by implementing */
413 uint32_t fBlitterMode;
414 CR_BLITTER Blitter;
415
416 CR_SERVER_RPW RpwWorker;
417
418 VBOXCRCMDCTL_HGCMDISABLE_DATA DisableData;
419
420 RTSEMEVENT hCalloutCompletionEvent;
421 VBOXCRCMDCTL *pCurrentCalloutCtl;
422 VBOXCRCLIENT_INFO ClientInfo;
423
424 /** configuration options */
425 /*@{*/
426 int useL2;
427 int ignore_papi;
428 unsigned int maxBarrierCount;
429 unsigned int clearCount;
430 int optimizeBucket;
431 int only_swap_once;
432 int debug_barriers;
433 int sharedDisplayLists;
434 int sharedTextureObjects;
435 int sharedPrograms;
436 int sharedWindows;
437 int uniqueWindows;
438 int localTileSpec;
439 int useDMX;
440 int overlapBlending;
441 int vpProjectionMatrixParameter;
442 const char *vpProjectionMatrixVariable;
443 int stereoView;
444 int vncMode; /* cmd line option */
445 /*@}*/
446 /** view_matrix config */
447 /*@{*/
448 GLboolean viewOverride;
449 CRmatrix viewMatrix[2]; /**< left and right eye */
450 /*@}*/
451 /** projection_matrix config */
452 /*@{*/
453 GLboolean projectionOverride;
454 CRmatrix projectionMatrix[2]; /**< left and right eye */
455 int currentEye;
456 /*@}*/
457
458 /** for warped tiles */
459 /*@{*/
460 GLfloat alignment_matrix[16], unnormalized_alignment_matrix[16];
461 /*@}*/
462
463 /** tile overlap/blending info - this should probably be per-mural */
464 /*@{*/
465 CRPoly **overlap_geom;
466 CRPoly *overlap_knockout;
467 float *overlap_intens;
468 int num_overlap_intens;
469 int num_overlap_levels;
470 /*@}*/
471
472 CRHashTable *barriers, *semaphores;
473
474 RunQueue *run_queue;
475
476 GLuint currentSerialNo;
477
478 GLuint fVisualBitsDefault;
479 GLboolean bUsePBOForReadback; /*Use PBO's for data readback*/
480
481 CROutputRedirect outputRedirect;
482
483 GLboolean bUseMultipleContexts;
484
485 GLboolean bWindowsInitiallyHidden;
486
487 /* OR-ed CR_VBOX_CAP_XXX cap values
488 * describing VBox Chromium functionality caps visible to guest
489 * Currently can have only CR_VBOX_CAP_TEX_PRESENT cap to notify
490 * that the TexPresent mechanism is available and enabled */
491 uint32_t u32Caps;
492
493 PFNCRSERVERNOTIFYEVENT pfnNotifyEventCB;
494
495 SPUDispatchTable TmpCtxDispatch;
496
497 VBOXCRCMD_SVRENABLE_INFO CrCmdClientInfo;
498
499#ifdef VBOX_WITH_CRSERVER_DUMPER
500 CR_RECORDER Recorder;
501 CR_BLITTER RecorderBlitter;
502 CR_DBGPRINT_DUMPER DbgPrintDumper;
503 CR_HTML_DUMPER HtmlDumper;
504 CR_DUMPER *pDumper;
505#endif
506
507 int RcToGuest;
508 int RcToGuestOnce;
509} CRServer;
510
511
512extern DECLEXPORT(void) crServerInit( int argc, char *argv[] );
513extern DECLEXPORT(int) CRServerMain( int argc, char *argv[] );
514extern DECLEXPORT(void) crServerServiceClients(void);
515extern DECLEXPORT(void) crServerAddNewClient(void);
516extern DECLEXPORT(SPU*) crServerHeadSPU(void);
517extern DECLEXPORT(void) crServerSetPort(int port);
518
519extern DECLEXPORT(GLboolean) crVBoxServerInit(void);
520extern DECLEXPORT(void) crVBoxServerTearDown(void);
521extern DECLEXPORT(int32_t) crVBoxServerAddClient(uint32_t u32ClientID);
522extern DECLEXPORT(void) crVBoxServerRemoveClient(uint32_t u32ClientID);
523extern DECLEXPORT(int32_t) crVBoxServerClientWrite(uint32_t u32ClientID, uint8_t *pBuffer, uint32_t cbBuffer);
524extern DECLEXPORT(int32_t) crVBoxServerClientRead(uint32_t u32ClientID, uint8_t *pBuffer, uint32_t *pcbBuffer);
525extern DECLEXPORT(int32_t) crVBoxServerClientSetVersion(uint32_t u32ClientID, uint32_t vMajor, uint32_t vMinor);
526extern DECLEXPORT(int32_t) crVBoxServerClientGetCapsLegacy(uint32_t u32ClientID, uint32_t *pu32Caps);
527extern DECLEXPORT(int32_t) crVBoxServerClientGetCapsNew(uint32_t u32ClientID, CR_CAPS_INFO *pInfo);
528extern DECLEXPORT(int32_t) crVBoxServerClientSetPID(uint32_t u32ClientID, uint64_t pid);
529
530extern DECLEXPORT(int32_t) crVBoxServerSaveState(PSSMHANDLE pSSM);
531extern DECLEXPORT(int32_t) crVBoxServerLoadState(PSSMHANDLE pSSM, uint32_t version);
532
533typedef struct
534{
535 CR_BLITTER_IMG Img;
536 uint32_t u32Screen;
537 uint32_t fDataAllocated;
538} CR_SCREENSHOT;
539
540extern DECLEXPORT(int) crServerVBoxWindowsShow(bool fShow);
541extern DECLEXPORT(int) crServerVBoxScreenshotGet(uint32_t u32Screen, uint32_t width, uint32_t height, uint32_t pitch, void *pvBuffer, CR_SCREENSHOT *pScreenshot);
542extern DECLEXPORT(void) crServerVBoxScreenshotRelease(CR_SCREENSHOT *pScreenshot);
543
544extern DECLEXPORT(void) crServerVBoxCompositionSetEnableStateGlobal(GLboolean fEnable);
545extern DECLEXPORT(int32_t) crVBoxServerSetScreenCount(int sCount);
546extern DECLEXPORT(int32_t) crVBoxServerUnmapScreen(int sIndex);
547extern DECLEXPORT(int32_t) crVBoxServerMapScreen(int sIndex, int32_t x, int32_t y, uint32_t w, uint32_t h, uint64_t winID);
548extern DECLEXPORT(void) crServerVBoxCompositionSetEnableStateGlobal(GLboolean fEnable);
549struct VBVAINFOSCREEN;
550extern DECLEXPORT(int) crVBoxServerNotifyResize(const struct VBVAINFOSCREEN *pScreen, void *pvVRAM);
551extern DECLEXPORT(int32_t) crVBoxServerSetRootVisibleRegion(GLint cRects, const RTRECT *pRects);
552
553extern DECLEXPORT(int32_t) crVBoxServerSetOffscreenRendering(GLboolean value);
554
555extern DECLEXPORT(int32_t) crVBoxServerOutputRedirectSet(const CROutputRedirect *pCallbacks);
556
557extern DECLEXPORT(int32_t) crVBoxServerSetScreenViewport(int sIndex, int32_t x, int32_t y, uint32_t w, uint32_t h);
558
559extern DECLEXPORT(void) crServerVBoxSetNotifyEventCB(PFNCRSERVERNOTIFYEVENT pfnCb);
560
561extern DECLEXPORT(void) crVBoxServerCalloutEnable(VBOXCRCMDCTL *pCtl);
562extern DECLEXPORT(void) crVBoxServerCalloutDisable();
563extern DECLEXPORT(void) crServerSetUnscaledHiDPI(bool fEnable);
564
565#ifdef VBOX_WITH_CRHGSMI
566/* We moved all CrHgsmi command processing to crserverlib to keep the logic of dealing with CrHgsmi commands in one place.
567 *
568 * For now we need the notion of CrHgdmi commands in the crserver_lib to be able to complete it asynchronously once it is really processed.
569 * This help avoiding the "blocked-client" issues. The client is blocked if another client is doing begin-end stuff.
570 * For now we eliminated polling that could occur on block, which caused a higher-priority thread (in guest) polling for the blocked command complition
571 * to block the lower-priority thread trying to complete the blocking command.
572 * And removed extra memcpy done on blocked command arrival.
573 *
574 * In the future we will extend CrHgsmi functionality to maintain texture data directly in CrHgsmi allocation to avoid extra memcpy-ing with PBO,
575 * implement command completion and stuff necessary for GPU scheduling to work properly for WDDM Windows guests, etc.
576 *
577 * NOTE: it is ALWAYS responsibility of the crVBoxServerCrHgsmiCmd to complete the command!
578 * */
579extern DECLEXPORT(int32_t) crVBoxServerCrHgsmiCmd(struct VBOXVDMACMD_CHROMIUM_CMD *pCmd, uint32_t cbCmd);
580extern DECLEXPORT(int32_t) crVBoxServerCrHgsmiCtl(struct VBOXVDMACMD_CHROMIUM_CTL *pCtl, uint32_t cbCtl);
581
582#endif
583
584extern DECLEXPORT(int32_t) crVBoxServerHgcmEnable(VBOXCRCMDCTL_HGCMENABLE_DATA *pData);
585extern DECLEXPORT(int32_t) crVBoxServerHgcmDisable(VBOXCRCMDCTL_HGCMDISABLE_DATA *pData);
586
587extern int crVBoxServerHostCtl(VBOXCRCMDCTL *pCtl, uint32_t cbCtl);
588
589#ifdef __cplusplus
590}
591#endif
592
593#endif
594
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