VirtualBox

source: vbox/trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/server_muralfbo.c@ 44956

Last change on this file since 44956 was 44951, checked in by vboxsync, 12 years ago

crOpenGL: fix default mural refs
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  • Property svn:keywords set to Author Date Id Revision
File size: 23.1 KB
Line 
1/* $Id: server_muralfbo.c 44951 2013-03-07 12:33:54Z vboxsync $ */
2
3/** @file
4 * VBox crOpenGL: Window to FBO redirect support.
5 */
6
7/*
8 * Copyright (C) 2010-2013 Oracle Corporation
9 *
10 * This file is part of VirtualBox Open Source Edition (OSE), as
11 * available from http://www.215389.xyz. This file is free software;
12 * you can redistribute it and/or modify it under the terms of the GNU
13 * General Public License (GPL) as published by the Free Software
14 * Foundation, in version 2 as it comes in the "COPYING" file of the
15 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
16 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
17 */
18
19#include "server.h"
20#include "cr_string.h"
21#include "cr_mem.h"
22#include "cr_vreg.h"
23#include "render/renderspu.h"
24
25static int crServerGetPointScreen(GLint x, GLint y)
26{
27 int i;
28
29 for (i=0; i<cr_server.screenCount; ++i)
30 {
31 if ((x>=cr_server.screen[i].x && x<cr_server.screen[i].x+(int)cr_server.screen[i].w)
32 && (y>=cr_server.screen[i].y && y<cr_server.screen[i].y+(int)cr_server.screen[i].h))
33 {
34 return i;
35 }
36 }
37
38 return -1;
39}
40
41static GLboolean crServerMuralCoverScreen(CRMuralInfo *mural, int sId)
42{
43 return mural->gX < cr_server.screen[sId].x
44 && mural->gX+(int)mural->width > cr_server.screen[sId].x+(int)cr_server.screen[sId].w
45 && mural->gY < cr_server.screen[sId].y
46 && mural->gY+(int)mural->height > cr_server.screen[sId].y+(int)cr_server.screen[sId].h;
47}
48
49/* Called when a new CRMuralInfo is created
50 * or when OutputRedirect status is changed.
51 */
52void crServerSetupOutputRedirect(CRMuralInfo *mural)
53{
54 /* Unset the previous redirect. */
55 if (mural->pvOutputRedirectInstance)
56 {
57 cr_server.outputRedirect.CROREnd(mural->pvOutputRedirectInstance);
58 mural->pvOutputRedirectInstance = NULL;
59 }
60
61 /* Setup a new redirect. */
62 if (cr_server.bUseOutputRedirect)
63 {
64 /* Query supported formats. */
65 uint32_t cbFormats = 4096;
66 char *pachFormats = (char *)crAlloc(cbFormats);
67
68 if (pachFormats)
69 {
70 int rc = cr_server.outputRedirect.CRORContextProperty(cr_server.outputRedirect.pvContext,
71 0 /* H3DOR_PROP_FORMATS */, // @todo from a header
72 pachFormats, cbFormats, &cbFormats);
73 if (RT_SUCCESS(rc))
74 {
75 if (RTStrStr(pachFormats, "H3DOR_FMT_RGBA_TOPDOWN"))
76 {
77 cr_server.outputRedirect.CRORBegin(cr_server.outputRedirect.pvContext,
78 &mural->pvOutputRedirectInstance,
79 "H3DOR_FMT_RGBA_TOPDOWN"); // @todo from a header
80 }
81 }
82
83 crFree(pachFormats);
84 }
85
86 /* If this is not NULL then there was a supported format. */
87 if (mural->pvOutputRedirectInstance)
88 {
89 cr_server.outputRedirect.CRORGeometry(mural->pvOutputRedirectInstance,
90 mural->hX, mural->hY,
91 mural->width, mural->height);
92 // @todo the code assumes that RTRECT == four of GLInts
93 cr_server.outputRedirect.CRORVisibleRegion(mural->pvOutputRedirectInstance,
94 mural->cVisibleRects, (RTRECT *)mural->pVisibleRects);
95 }
96 }
97}
98
99void crServerCheckMuralGeometry(CRMuralInfo *mural)
100{
101 int tlS, brS, trS, blS;
102 int overlappingScreenCount, primaryS, i;
103
104 if (!mural->CreateInfo.externalID)
105 return;
106
107 if (!mural->width || !mural->height)
108 return;
109
110 if (cr_server.screenCount<2 && !cr_server.bForceOffscreenRendering)
111 {
112 CRScreenViewportInfo *pVieport = &cr_server.screenVieport[mural->screenId];
113 CRASSERT(cr_server.screenCount>0);
114 CRASSERT(mural->fUseFBO == CR_SERVER_REDIR_NONE);
115
116 mural->hX = mural->gX-cr_server.screen[0].x;
117 mural->hY = mural->gY-cr_server.screen[0].y;
118
119 cr_server.head_spu->dispatch_table.WindowPosition(mural->spuWindow, mural->hX - pVieport->x, mural->hY - pVieport->y);
120
121 return;
122 }
123
124 tlS = crServerGetPointScreen(mural->gX, mural->gY);
125 brS = crServerGetPointScreen(mural->gX+mural->width-1, mural->gY+mural->height-1);
126
127 if (tlS==brS && tlS>=0)
128 {
129 overlappingScreenCount = 1;
130 primaryS = tlS;
131 }
132 else
133 {
134 trS = crServerGetPointScreen(mural->gX+mural->width-1, mural->gY);
135 blS = crServerGetPointScreen(mural->gX, mural->gY+mural->height-1);
136
137 primaryS = -1; overlappingScreenCount = 0;
138 for (i=0; i<cr_server.screenCount; ++i)
139 {
140 if ((i==tlS) || (i==brS) || (i==trS) || (i==blS)
141 || crServerMuralCoverScreen(mural, i))
142 {
143 overlappingScreenCount++;
144 primaryS = primaryS<0 ? i:primaryS;
145 }
146 }
147
148 if (!overlappingScreenCount)
149 {
150 primaryS = 0;
151 }
152 }
153
154 if (primaryS!=mural->screenId)
155 {
156 mural->screenId = primaryS;
157
158 renderspuSetWindowId(cr_server.screen[primaryS].winID);
159 renderspuReparentWindow(mural->spuWindow);
160 renderspuSetWindowId(cr_server.screen[0].winID);
161 }
162
163 mural->hX = mural->gX-cr_server.screen[primaryS].x;
164 mural->hY = mural->gY-cr_server.screen[primaryS].y;
165
166 if (overlappingScreenCount<2 && !cr_server.bForceOffscreenRendering)
167 {
168 CRScreenViewportInfo *pVieport = &cr_server.screenVieport[mural->screenId];
169
170 if (mural->fUseFBO)
171 {
172 crServerRedirMuralFBO(mural, CR_SERVER_REDIR_NONE);
173 crServerDeleteMuralFBO(mural);
174 }
175
176 cr_server.head_spu->dispatch_table.WindowPosition(mural->spuWindow, mural->hX - pVieport->x, mural->hY - pVieport->y);
177 }
178 else
179 {
180 GLubyte redir = overlappingScreenCount >= 2 ? CR_SERVER_REDIR_FBO_RAM : cr_server.bForceOffscreenRendering;
181
182 if (mural->spuWindow)
183 {
184 if (mural->fUseFBO)
185 {
186 if (mural->width!=mural->fboWidth
187 || mural->height!=mural->fboHeight)
188 {
189 crServerRedirMuralFBO(mural, CR_SERVER_REDIR_NONE);
190 crServerDeleteMuralFBO(mural);
191 }
192 }
193
194 if (mural->fUseFBO != redir)
195 {
196 crServerRedirMuralFBO(mural, redir);
197 }
198 }
199#ifdef DEBUG_misha
200 else
201 {
202 Assert(!mural->fUseFBO);
203 }
204#endif
205
206 if (mural->fUseFBO != CR_SERVER_REDIR_FBO_RAM)
207 {
208 CRScreenViewportInfo *pVieport = &cr_server.screenVieport[mural->screenId];
209
210 cr_server.head_spu->dispatch_table.WindowPosition(mural->spuWindow, mural->hX - pVieport->x, mural->hY - pVieport->y);
211 }
212 }
213
214 if (mural->pvOutputRedirectInstance)
215 {
216 cr_server.outputRedirect.CRORGeometry(mural->pvOutputRedirectInstance,
217 mural->hX, mural->hY,
218 mural->width, mural->height);
219 }
220}
221
222GLboolean crServerSupportRedirMuralFBO(void)
223{
224 static GLboolean fInited = GL_FALSE;
225 static GLboolean fSupported = GL_FALSE;
226 if (!fInited)
227 {
228 const GLubyte* pExt = cr_server.head_spu->dispatch_table.GetString(GL_REAL_EXTENSIONS);
229
230 fSupported = ( NULL!=crStrstr((const char*)pExt, "GL_ARB_framebuffer_object")
231 || NULL!=crStrstr((const char*)pExt, "GL_EXT_framebuffer_object"))
232 && NULL!=crStrstr((const char*)pExt, "GL_ARB_texture_non_power_of_two");
233 fInited = GL_TRUE;
234 }
235 return fSupported;
236}
237
238static void crServerCreateMuralFBO(CRMuralInfo *mural);
239
240void crServerRedirMuralFBO(CRMuralInfo *mural, GLubyte redir)
241{
242 if (mural->fUseFBO == redir)
243 {
244 if (redir)
245 crWarning("crServerRedirMuralFBO called with the same redir status %d", redir);
246 return;
247 }
248
249 if (redir)
250 {
251 if (!crServerSupportRedirMuralFBO())
252 {
253 crWarning("FBO not supported, can't redirect window output");
254 return;
255 }
256
257 if (redir == CR_SERVER_REDIR_FBO_RAM)
258 cr_server.head_spu->dispatch_table.WindowShow(mural->spuWindow, GL_FALSE);
259 else
260 cr_server.head_spu->dispatch_table.WindowShow(mural->spuWindow, mural->bVisible);
261
262 if (mural->aidFBOs[0]==0)
263 {
264 crServerCreateMuralFBO(mural);
265 }
266
267 if (!crStateGetCurrent()->framebufferobject.drawFB)
268 {
269 cr_server.head_spu->dispatch_table.BindFramebufferEXT(GL_DRAW_FRAMEBUFFER, mural->aidFBOs[mural->iCurDrawBuffer]);
270 }
271 if (!crStateGetCurrent()->framebufferobject.readFB)
272 {
273 cr_server.head_spu->dispatch_table.BindFramebufferEXT(GL_READ_FRAMEBUFFER, mural->aidFBOs[mural->iCurReadBuffer]);
274 }
275
276 if (cr_server.curClient && cr_server.curClient->currentMural == mural)
277 {
278 crStateGetCurrent()->buffer.width = 0;
279 crStateGetCurrent()->buffer.height = 0;
280 }
281 }
282 else
283 {
284 if (redir == CR_SERVER_REDIR_NONE)
285 {
286 /* tell renderspu we do not want compositor presentation anymore
287 * renderspu will ensure its redraw thread is done with using the compositor, etc. */
288 cr_server.head_spu->dispatch_table.VBoxPresentComposition(mural->spuWindow, NULL, NULL);
289 }
290
291 if (mural->fUseFBO == CR_SERVER_REDIR_FBO_RAM)
292 cr_server.head_spu->dispatch_table.WindowShow(mural->spuWindow, mural->bVisible);
293
294 if (mural->fUseFBO && crServerSupportRedirMuralFBO())
295 {
296 if (!crStateGetCurrent()->framebufferobject.drawFB)
297 {
298 cr_server.head_spu->dispatch_table.BindFramebufferEXT(GL_DRAW_FRAMEBUFFER, 0);
299 }
300 if (!crStateGetCurrent()->framebufferobject.readFB)
301 {
302 cr_server.head_spu->dispatch_table.BindFramebufferEXT(GL_READ_FRAMEBUFFER, 0);
303 }
304 }
305
306 if (cr_server.curClient && cr_server.curClient->currentMural == mural)
307 {
308 crStateGetCurrent()->buffer.width = mural->width;
309 crStateGetCurrent()->buffer.height = mural->height;
310 }
311 }
312
313 mural->fUseFBO = redir;
314}
315
316static void crServerCreateMuralFBO(CRMuralInfo *mural)
317{
318 CRContext *ctx = crStateGetCurrent();
319 GLuint uid, i;
320 GLenum status;
321 SPUDispatchTable *gl = &cr_server.head_spu->dispatch_table;
322 CRContextInfo *pMuralContextInfo;
323
324 CRASSERT(mural->aidFBOs[0]==0);
325 CRASSERT(mural->aidFBOs[1]==0);
326 CRASSERT(mural->width == mural->CEntry.Tex.width);
327 CRASSERT(mural->height == mural->CEntry.Tex.height);
328
329 pMuralContextInfo = cr_server.currentCtxInfo;
330 if (!pMuralContextInfo)
331 {
332 /* happens on saved state load */
333 CRASSERT(cr_server.MainContextInfo.SpuContext);
334 pMuralContextInfo = &cr_server.MainContextInfo;
335 cr_server.head_spu->dispatch_table.MakeCurrent(mural->spuWindow, 0, cr_server.MainContextInfo.SpuContext);
336 }
337
338 if (pMuralContextInfo->CreateInfo.visualBits != mural->CreateInfo.visualBits)
339 {
340 crWarning("mural visual bits do not match with current context visual bits!");
341 }
342
343 mural->cBuffers = 2;
344 mural->iBbBuffer = 0;
345 /*Color texture*/
346 for (i = 0; i < mural->cBuffers; ++i)
347 {
348 gl->GenTextures(1, &mural->aidColorTexs[i]);
349 gl->BindTexture(GL_TEXTURE_2D, mural->aidColorTexs[i]);
350 gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
351 gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
352 gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
353 gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
354 if (crStateIsBufferBound(GL_PIXEL_UNPACK_BUFFER_ARB))
355 {
356 gl->BindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
357 }
358 gl->TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, mural->width, mural->height,
359 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
360 }
361
362 /*Depth&Stencil*/
363 gl->GenRenderbuffersEXT(1, &mural->idDepthStencilRB);
364 gl->BindRenderbufferEXT(GL_RENDERBUFFER_EXT, mural->idDepthStencilRB);
365 gl->RenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH24_STENCIL8_EXT,
366 mural->width, mural->height);
367
368 /*FBO*/
369 for (i = 0; i < mural->cBuffers; ++i)
370 {
371 gl->GenFramebuffersEXT(1, &mural->aidFBOs[i]);
372 gl->BindFramebufferEXT(GL_FRAMEBUFFER_EXT, mural->aidFBOs[i]);
373
374 gl->FramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
375 GL_TEXTURE_2D, mural->aidColorTexs[i], 0);
376 gl->FramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT,
377 GL_RENDERBUFFER_EXT, mural->idDepthStencilRB);
378 gl->FramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT,
379 GL_RENDERBUFFER_EXT, mural->idDepthStencilRB);
380
381 status = gl->CheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
382 if (status!=GL_FRAMEBUFFER_COMPLETE_EXT)
383 {
384 crWarning("FBO status(0x%x) isn't complete", status);
385 }
386 }
387
388 mural->fboWidth = mural->width;
389 mural->fboHeight = mural->height;
390
391 mural->iCurDrawBuffer = crServerMuralFBOIdxFromBufferName(mural, ctx->buffer.drawBuffer);
392 mural->iCurReadBuffer = crServerMuralFBOIdxFromBufferName(mural, ctx->buffer.readBuffer);
393
394 /*PBO*/
395 if (cr_server.bUsePBOForReadback)
396 {
397 gl->GenBuffersARB(1, &mural->idPBO);
398 gl->BindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, mural->idPBO);
399 gl->BufferDataARB(GL_PIXEL_PACK_BUFFER_ARB, mural->width*mural->height*4, 0, GL_STREAM_READ_ARB);
400 gl->BindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, ctx->bufferobject.packBuffer->hwid);
401
402 if (!mural->idPBO)
403 {
404 crWarning("PBO create failed");
405 }
406 }
407
408 /*Restore gl state*/
409 uid = ctx->texture.unit[ctx->texture.curTextureUnit].currentTexture2D->hwid;
410 gl->BindTexture(GL_TEXTURE_2D, uid);
411
412 uid = ctx->framebufferobject.renderbuffer ? ctx->framebufferobject.renderbuffer->hwid:0;
413 gl->BindRenderbufferEXT(GL_RENDERBUFFER_EXT, uid);
414
415 uid = ctx->framebufferobject.drawFB ? ctx->framebufferobject.drawFB->hwid:0;
416 gl->BindFramebufferEXT(GL_DRAW_FRAMEBUFFER, uid);
417
418 uid = ctx->framebufferobject.readFB ? ctx->framebufferobject.readFB->hwid:0;
419 gl->BindFramebufferEXT(GL_READ_FRAMEBUFFER, uid);
420
421 if (crStateIsBufferBound(GL_PIXEL_UNPACK_BUFFER_ARB))
422 {
423 gl->BindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, ctx->bufferobject.unpackBuffer->hwid);
424 }
425
426 CRASSERT(mural->aidColorTexs[CR_SERVER_FBO_FB_IDX(mural)]);
427 CrVrScrCompositorEntryTexNameUpdate(&mural->CEntry, mural->aidColorTexs[CR_SERVER_FBO_FB_IDX(mural)]);
428}
429
430void crServerDeleteMuralFBO(CRMuralInfo *mural)
431{
432 CRASSERT(!mural->fUseFBO);
433
434 if (mural->aidFBOs[0]!=0)
435 {
436 GLuint i;
437 for (i = 0; i < mural->cBuffers; ++i)
438 {
439 cr_server.head_spu->dispatch_table.DeleteTextures(1, &mural->aidColorTexs[i]);
440 mural->aidColorTexs[i] = 0;
441 }
442
443 cr_server.head_spu->dispatch_table.DeleteRenderbuffersEXT(1, &mural->idDepthStencilRB);
444 mural->idDepthStencilRB = 0;
445
446 for (i = 0; i < mural->cBuffers; ++i)
447 {
448 cr_server.head_spu->dispatch_table.DeleteFramebuffersEXT(1, &mural->aidFBOs[i]);
449 mural->aidFBOs[i] = 0;
450 }
451 }
452
453 if (mural->idPBO!=0)
454 {
455 CRASSERT(cr_server.bUsePBOForReadback);
456 cr_server.head_spu->dispatch_table.DeleteBuffersARB(1, &mural->idPBO);
457 mural->idPBO = 0;
458 }
459
460 mural->cBuffers = 0;
461}
462
463#define MIN(a, b) ((a) < (b) ? (a) : (b))
464#define MAX(a, b) ((a) > (b) ? (a) : (b))
465
466static GLboolean crServerIntersectRect(CRrecti *a, CRrecti *b, CRrecti *rect)
467{
468 CRASSERT(a && b && rect);
469
470 rect->x1 = MAX(a->x1, b->x1);
471 rect->x2 = MIN(a->x2, b->x2);
472 rect->y1 = MAX(a->y1, b->y1);
473 rect->y2 = MIN(a->y2, b->y2);
474
475 return (rect->x2>rect->x1) && (rect->y2>rect->y1);
476}
477
478static GLboolean crServerIntersectScreen(CRMuralInfo *mural, int sId, CRrecti *rect)
479{
480 rect->x1 = MAX(mural->gX, cr_server.screen[sId].x);
481 rect->x2 = MIN(mural->gX+(int)mural->fboWidth, cr_server.screen[sId].x+(int)cr_server.screen[sId].w);
482 rect->y1 = MAX(mural->gY, cr_server.screen[sId].y);
483 rect->y2 = MIN(mural->gY+(int)mural->fboHeight, cr_server.screen[sId].y+(int)cr_server.screen[sId].h);
484
485 return (rect->x2>rect->x1) && (rect->y2>rect->y1);
486}
487
488static void crServerCopySubImage(char *pDst, char* pSrc, CRrecti *pRect, int srcWidth, int srcHeight)
489{
490 int i;
491 int dstrowsize = 4*(pRect->x2-pRect->x1);
492 int srcrowsize = 4*srcWidth;
493 int height = pRect->y2-pRect->y1;
494
495 pSrc += 4*pRect->x1 + srcrowsize*(srcHeight-1-pRect->y1);
496
497 for (i=0; i<height; ++i)
498 {
499 crMemcpy(pDst, pSrc, dstrowsize);
500
501 pSrc -= srcrowsize;
502 pDst += dstrowsize;
503 }
504}
505
506static void crServerTransformRect(CRrecti *pDst, CRrecti *pSrc, int dx, int dy)
507{
508 pDst->x1 = pSrc->x1+dx;
509 pDst->x2 = pSrc->x2+dx;
510 pDst->y1 = pSrc->y1+dy;
511 pDst->y2 = pSrc->y2+dy;
512}
513
514void crServerPresentFBO(CRMuralInfo *mural)
515{
516 char *pixels=NULL, *tmppixels;
517 int i, j;
518 CRrecti rect, rectwr, sectr;
519 GLuint idPBO;
520 CRContext *ctx = crStateGetCurrent();
521 VBOXVR_TEXTURE Tex;
522
523 CRASSERT(mural->fUseFBO);
524 CRASSERT(cr_server.pfnPresentFBO || mural->fUseFBO == CR_SERVER_REDIR_FBO_BLT);
525
526 if (!mural->bVisible)
527 {
528 return;
529 }
530
531 if (!mural->width || !mural->height)
532 {
533 return;
534 }
535
536 if (!CrVrScrCompositorEntryIsInList(&mural->CEntry))
537 return;
538
539 if (mural->fUseFBO == CR_SERVER_REDIR_FBO_BLT)
540 {
541 GLuint idDrawFBO, idReadFBO;
542
543 idDrawFBO = mural->aidFBOs[mural->iCurDrawBuffer];
544 idReadFBO = mural->aidFBOs[mural->iCurReadBuffer];
545
546 crStateSwitchPrepare(NULL, ctx, idDrawFBO, idReadFBO);
547
548 cr_server.head_spu->dispatch_table.VBoxPresentComposition(mural->spuWindow, &mural->Compositor, &mural->CEntry);
549
550 crStateSwitchPostprocess(ctx, NULL, idDrawFBO, idReadFBO);
551
552 return;
553 }
554
555 Tex.width = mural->width;
556 Tex.height = mural->height;
557 Tex.target = GL_TEXTURE_2D;
558 Tex.hwid = mural->aidColorTexs[CR_SERVER_FBO_FB_IDX(mural)];
559 CRASSERT(Tex.hwid);
560
561 if (cr_server.bUsePBOForReadback && !mural->idPBO)
562 {
563 crWarning("Mural doesn't have PBO even though bUsePBOForReadback is set!");
564 }
565
566 idPBO = cr_server.bUsePBOForReadback ? mural->idPBO : 0;
567 if (idPBO)
568 {
569 CRASSERT(mural->fboWidth == mural->width);
570 CRASSERT(mural->fboHeight == mural->height);
571 }
572
573 pixels = CrHlpGetTexImage(ctx, &Tex, idPBO, GL_BGRA);
574 if (!pixels)
575 {
576 crWarning("CrHlpGetTexImage failed in crServerPresentFBO");
577 return;
578 }
579
580 for (i=0; i<cr_server.screenCount; ++i)
581 {
582 if (crServerIntersectScreen(mural, i, &rect))
583 {
584 /* rect in window relative coords */
585 crServerTransformRect(&rectwr, &rect, -mural->gX, -mural->gY);
586
587 if (!mural->pVisibleRects)
588 {
589 /*we don't get any rects info for guest compiz windows, so we treat windows as visible unless explicitly received 0 visible rects*/
590 if (!mural->bReceivedRects)
591 {
592 tmppixels = crAlloc(4*(rect.x2-rect.x1)*(rect.y2-rect.y1));
593 if (!tmppixels)
594 {
595 crWarning("Out of memory in crServerPresentFBO");
596 crFree(pixels);
597 return;
598 }
599
600 crServerCopySubImage(tmppixels, pixels, &rectwr, mural->fboWidth, mural->fboHeight);
601 /*Note: pfnPresentFBO would free tmppixels*/
602 cr_server.pfnPresentFBO(tmppixels, i, rect.x1-cr_server.screen[i].x, rect.y1-cr_server.screen[i].y, rect.x2-rect.x1, rect.y2-rect.y1);
603 }
604 }
605 else
606 {
607 for (j=0; j<mural->cVisibleRects; ++j)
608 {
609 if (crServerIntersectRect(&rectwr, (CRrecti*) &mural->pVisibleRects[4*j], &sectr))
610 {
611 tmppixels = crAlloc(4*(sectr.x2-sectr.x1)*(sectr.y2-sectr.y1));
612 if (!tmppixels)
613 {
614 crWarning("Out of memory in crServerPresentFBO");
615 crFree(pixels);
616 return;
617 }
618
619 crServerCopySubImage(tmppixels, pixels, &sectr, mural->fboWidth, mural->fboHeight);
620 /*Note: pfnPresentFBO would free tmppixels*/
621 cr_server.pfnPresentFBO(tmppixels, i,
622 sectr.x1+mural->gX-cr_server.screen[i].x,
623 sectr.y1+mural->gY-cr_server.screen[i].y,
624 sectr.x2-sectr.x1, sectr.y2-sectr.y1);
625 }
626 }
627 }
628 }
629 }
630
631 if (mural->pvOutputRedirectInstance)
632 {
633 /* @todo find out why presentfbo is not called but crorframe is called. */
634 cr_server.outputRedirect.CRORFrame(mural->pvOutputRedirectInstance,
635 pixels,
636 4 * mural->fboWidth * mural->fboHeight);
637 }
638
639 CrHlpFreeTexImage(ctx, idPBO, pixels);
640}
641
642GLboolean crServerIsRedirectedToFBO()
643{
644 return cr_server.curClient
645 && cr_server.curClient->currentMural
646 && cr_server.curClient->currentMural->fUseFBO;
647}
648
649GLuint crServerMuralFBOIdxFromBufferName(CRMuralInfo *mural, GLenum buffer)
650{
651 if (buffer == GL_FRONT
652 || buffer == GL_FRONT_LEFT
653 || buffer == GL_FRONT_RIGHT)
654 return CR_SERVER_FBO_FB_IDX(mural);
655 return CR_SERVER_FBO_BB_IDX(mural);
656}
657
658void crServerMuralFBOSwapBuffers(CRMuralInfo *mural)
659{
660 CRContext *ctx = crStateGetCurrent();
661 GLuint iOldCurDrawBuffer = mural->iCurDrawBuffer;
662 GLuint iOldCurReadBuffer = mural->iCurReadBuffer;
663 mural->iBbBuffer = ((mural->iBbBuffer + 1) % (mural->cBuffers));
664 mural->iCurDrawBuffer = ((mural->iCurDrawBuffer + 1) % (mural->cBuffers));
665 mural->iCurReadBuffer = ((mural->iCurReadBuffer + 1) % (mural->cBuffers));
666 Assert(iOldCurDrawBuffer != mural->iCurDrawBuffer || mural->cBuffers == 1);
667 Assert(iOldCurReadBuffer != mural->iCurReadBuffer || mural->cBuffers == 1);
668 if (!ctx->framebufferobject.drawFB && iOldCurDrawBuffer != mural->iCurDrawBuffer)
669 {
670 cr_server.head_spu->dispatch_table.BindFramebufferEXT(GL_DRAW_FRAMEBUFFER, mural->aidFBOs[mural->iCurDrawBuffer]);
671 }
672 if (!ctx->framebufferobject.readFB && iOldCurReadBuffer != mural->iCurReadBuffer)
673 {
674 cr_server.head_spu->dispatch_table.BindFramebufferEXT(GL_READ_FRAMEBUFFER, mural->aidFBOs[mural->iCurReadBuffer]);
675 }
676 Assert(mural->aidColorTexs[CR_SERVER_FBO_FB_IDX(mural)]);
677 CrVrScrCompositorEntryTexNameUpdate(&mural->CEntry, mural->aidColorTexs[CR_SERVER_FBO_FB_IDX(mural)]);
678}
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