renderspu.c@ 34382

最後變更在這個檔案從34382是 33977,由 vboxsync 提交於 14 年前
: replaced a bunch of sprintf()* by snprintf()
屬性 svn:eol-style 設為 `native` 屬性 svn:keywords 設為 `Id`
檔案大小: 33.2 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	#include "cr_environment.h"
8	#include "cr_string.h"
9	#include "cr_error.h"
10	#include "cr_mem.h"
11	#include "cr_spu.h"
12	#include "renderspu.h"
13	#include "cr_extstring.h"
14
15
16	static void
17	DoSync(void)
18	{
19	CRMessage *in, out;
20
21	out.header.type = CR_MESSAGE_OOB;
22
23	if (render_spu.is_swap_master)
24	{
25	int a;
26
27	for (a = 0; a < render_spu.num_swap_clients; a++)
28	{
29	crNetGetMessage( render_spu.swap_conns[a], &in );
30	crNetFree( render_spu.swap_conns[a], in);
31	}
32
33	for (a = 0; a < render_spu.num_swap_clients; a++)
34	crNetSend( render_spu.swap_conns[a], NULL, &out, sizeof(CRMessage));
35	}
36	else
37	{
38	crNetSend( render_spu.swap_conns[0], NULL, &out, sizeof(CRMessage));
39
40	crNetGetMessage( render_spu.swap_conns[0], &in );
41	crNetFree( render_spu.swap_conns[0], in);
42	}
43	}
44
45
46
47	/*
48	* Visual functions
49	*/
50
51	/**
52	* used for debugging and giving info to the user.
53	*/
54	void
55	renderspuMakeVisString( GLbitfield visAttribs, char *s )
56	{
57	s[0] = 0;
58
59	if (visAttribs & CR_RGB_BIT)
60	crStrcat(s, "RGB");
61	if (visAttribs & CR_ALPHA_BIT)
62	crStrcat(s, "A");
63	if (visAttribs & CR_DOUBLE_BIT)
64	crStrcat(s, ", Doublebuffer");
65	if (visAttribs & CR_STEREO_BIT)
66	crStrcat(s, ", Stereo");
67	if (visAttribs & CR_DEPTH_BIT)
68	crStrcat(s, ", Z");
69	if (visAttribs & CR_STENCIL_BIT)
70	crStrcat(s, ", Stencil");
71	if (visAttribs & CR_ACCUM_BIT)
72	crStrcat(s, ", Accum");
73	if (visAttribs & CR_MULTISAMPLE_BIT)
74	crStrcat(s, ", Multisample");
75	if (visAttribs & CR_OVERLAY_BIT)
76	crStrcat(s, ", Overlay");
77	if (visAttribs & CR_PBUFFER_BIT)
78	crStrcat(s, ", PBuffer");
79	}
80
81
82	/*
83	* Find a VisualInfo which matches the given display name and attribute
84	* bitmask, or return a pointer to a new visual.
85	*/
86	VisualInfo *
87	renderspuFindVisual(const char *displayName, GLbitfield visAttribs)
88	{
89	int i;
90
91	if (!displayName)
92	displayName = "";
93
94	/* first, try to find a match */
95	#if defined(WINDOWS) \|\| defined(DARWIN)
96	for (i = 0; i < render_spu.numVisuals; i++) {
97	if (visAttribs == render_spu.visuals[i].visAttribs) {
98	return &(render_spu.visuals[i]);
99	}
100	}
101	#elif defined(GLX)
102	for (i = 0; i < render_spu.numVisuals; i++) {
103	if (crStrcmp(displayName, render_spu.visuals[i].displayName) == 0
104	&& visAttribs == render_spu.visuals[i].visAttribs) {
105	return &(render_spu.visuals[i]);
106	}
107	}
108	#endif
109
110	if (render_spu.numVisuals >= MAX_VISUALS)
111	{
112	crWarning("Render SPU: Couldn't create a visual, too many visuals already");
113	return NULL;
114	}
115
116	/* create a new visual */
117	i = render_spu.numVisuals;
118	render_spu.visuals[i].displayName = crStrdup(displayName);
119	render_spu.visuals[i].visAttribs = visAttribs;
120	if (renderspu_SystemInitVisual(&(render_spu.visuals[i]))) {
121	render_spu.numVisuals++;
122	return &(render_spu.visuals[i]);
123	}
124	else {
125	crWarning("Render SPU: Couldn't get a visual, renderspu_SystemInitVisual failed");
126	return NULL;
127	}
128	}
129
130	/*
131	* Context functions
132	*/
133
134	GLint RENDER_APIENTRY
135	renderspuCreateContext(const char *dpyName, GLint visBits, GLint shareCtx)
136	{
137	ContextInfo context, sharedContext = NULL;
138	VisualInfo *visual;
139
140	if (shareCtx > 0) {
141	sharedContext
142	= (ContextInfo *) crHashtableSearch(render_spu.contextTable, shareCtx);
143	}
144
145	if (!dpyName \|\| crStrlen(render_spu.display_string)>0)
146	dpyName = render_spu.display_string;
147
148	visual = renderspuFindVisual(dpyName, visBits);
149	if (!visual)
150	return -1;
151
152	context = (ContextInfo *) crCalloc(sizeof(ContextInfo));
153	if (!context)
154	return -1;
155	context->id = render_spu.context_id;
156	context->shared = sharedContext;
157	if (!renderspu_SystemCreateContext(visual, context, sharedContext))
158	return -1;
159
160	crHashtableAdd(render_spu.contextTable, render_spu.context_id, context);
161	render_spu.context_id++;
162
163	/*
164	crDebug("Render SPU: CreateContext(%s, 0x%x) returning %d",
165	dpyName, visBits, context->id);
166	*/
167
168	return context->id;
169	}
170
171
172	static void RENDER_APIENTRY
173	renderspuDestroyContext( GLint ctx )
174	{
175	ContextInfo *context;
176
177	CRASSERT(ctx);
178
179	context = (ContextInfo *) crHashtableSearch(render_spu.contextTable, ctx);
180	CRASSERT(context);
181	renderspu_SystemDestroyContext( context );
182	if (context->extensionString) {
183	crFree(context->extensionString);
184	context->extensionString = NULL;
185	}
186	crHashtableDelete(render_spu.contextTable, ctx, crFree);
187	}
188
189
190	void RENDER_APIENTRY
191	renderspuMakeCurrent(GLint crWindow, GLint nativeWindow, GLint ctx)
192	{
193	WindowInfo *window;
194	ContextInfo *context;
195
196	/*
197	crDebug("%s win=%d native=0x%x ctx=%d", __FUNCTION__, crWindow, (int) nativeWindow, ctx);
198	*/
199
200	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, crWindow);
201	context = (ContextInfo *) crHashtableSearch(render_spu.contextTable, ctx);
202
203	if (window && context)
204	{
205	#ifdef CHROMIUM_THREADSAFE
206	crSetTSD(&_RenderTSD, context);
207	#else
208	render_spu.currentContext = context;
209	#endif
210	context->currentWindow = window;
211	if (!window)
212	{
213	crDebug("Render SPU: MakeCurrent invalid window id: %d", crWindow);
214	return;
215	}
216	if (!context)
217	{
218	crDebug("Render SPU: MakeCurrent invalid context id: %d", ctx);
219	return;
220	}
221
222	renderspu_SystemMakeCurrent( window, nativeWindow, context );
223	if (!context->everCurrent) {
224	/* print OpenGL info */
225	const char extString = (const char ) render_spu.ws.glGetString( GL_EXTENSIONS );
226	/*
227	crDebug( "Render SPU: GL_EXTENSIONS: %s", render_spu.ws.glGetString( GL_EXTENSIONS ) );
228	*/
229	crInfo( "Render SPU: GL_VENDOR: %s", render_spu.ws.glGetString( GL_VENDOR ) );
230	crInfo( "Render SPU: GL_RENDERER: %s", render_spu.ws.glGetString( GL_RENDERER ) );
231	crInfo( "Render SPU: GL_VERSION: %s", render_spu.ws.glGetString( GL_VERSION ) );
232	crInfo( "Render SPU: GL_EXTENSIONS: %s", render_spu.ws.glGetString( GL_EXTENSIONS ) );
233	if (crStrstr(extString, "GL_ARB_window_pos"))
234	context->haveWindowPosARB = GL_TRUE;
235	else
236	context->haveWindowPosARB = GL_FALSE;
237	context->everCurrent = GL_TRUE;
238	}
239	if (crWindow == 0 && window->mapPending &&
240	!render_spu.render_to_app_window && !render_spu.render_to_crut_window) {
241	/* Window[0] is special, it's the default window and normally hidden.
242	* If the mapPending flag is set, then we should now make the window
243	* visible.
244	*/
245	/renderspu_SystemShowWindow( window, GL_TRUE );/
246	window->mapPending = GL_FALSE;
247	}
248	window->everCurrent = GL_TRUE;
249	}
250	else
251	{
252	#ifdef CHROMIUM_THREADSAFE
253	crSetTSD(&_RenderTSD, NULL);
254	#else
255	render_spu.currentContext = NULL;
256	#endif
257	}
258	}
259
260
261	/*
262	* Window functions
263	*/
264
265	GLint RENDER_APIENTRY
266	renderspuWindowCreate( const char *dpyName, GLint visBits )
267	{
268	WindowInfo *window;
269	VisualInfo *visual;
270	GLboolean showIt;
271
272	if (!dpyName \|\| crStrlen(render_spu.display_string) > 0)
273	dpyName = render_spu.display_string;
274
275	visual = renderspuFindVisual( dpyName, visBits );
276	if (!visual)
277	{
278	crWarning( "Render SPU: Couldn't create a window, renderspuFindVisual returned NULL" );
279	return -1;
280	}
281
282	/* Allocate WindowInfo */
283	window = (WindowInfo *) crCalloc(sizeof(WindowInfo));
284	if (!window)
285	{
286	crWarning( "Render SPU: Couldn't create a window" );
287	return -1;
288	}
289
290	crHashtableAdd(render_spu.windowTable, render_spu.window_id, window);
291	window->id = render_spu.window_id;
292	render_spu.window_id++;
293
294	window->x = render_spu.defaultX;
295	window->y = render_spu.defaultY;
296	window->width = render_spu.defaultWidth;
297	window->height = render_spu.defaultHeight;
298
299	if ((render_spu.render_to_app_window \|\| render_spu.render_to_crut_window) && !crGetenv("CRNEWSERVER"))
300	showIt = 0;
301	else
302	showIt = window->id > 0;
303
304	/* Set window->title, replacing %i with the window ID number */
305	{
306	const char *s = crStrstr(render_spu.window_title, "%i");
307	if (s) {
308	int i, j, k;
309	window->title = crAlloc(crStrlen(render_spu.window_title) + 10);
310	for (i = 0; render_spu.window_title[i] != '%'; i++)
311	window->title[i] = render_spu.window_title[i];
312	k = sprintf(window->title + i, "%d", window->id);
313	CRASSERT(k < 10);
314	i++; /* skip the 'i' after the '%' */
315	j = i + k;
316	for (; (window->title[j] = s[i]) != 0; i++, j++)
317	;
318	}
319	else {
320	window->title = crStrdup(render_spu.window_title);
321	}
322	}
323
324	/*
325	crDebug("Render SPU: Creating window (visBits=0x%x, id=%d)", visBits, window->id);
326	*/
327	/* Have GLX/WGL/AGL create the window */
328	if (!renderspu_SystemVBoxCreateWindow( visual, showIt, window ))
329	{
330	crFree(window);
331	crWarning( "Render SPU: Couldn't create a window, renderspu_SystemCreateWindow failed" );
332	return -1;
333	}
334
335	CRASSERT(window->visual == visual);
336
337	return window->id;
338	}
339
340	static void renderspuCheckCurrentCtxWindowCB(unsigned long key, void data1, void data2)
341	{
342	ContextInfo pCtx = (ContextInfo ) data1;
343	WindowInfo *pWindow = data2;
344	(void) key;
345
346	if (pCtx->currentWindow==pWindow)
347	{
348	renderspuMakeCurrent(0, 0, pCtx->id);
349	}
350	}
351
352	static void
353	RENDER_APIENTRY renderspuWindowDestroy( GLint win )
354	{
355	WindowInfo *window;
356	GET_CONTEXT(pOldCtx);
357
358	CRASSERT(win >= 0);
359	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
360	if (window) {
361	crDebug("Render SPU: Destroy window (%d)", win);
362	renderspu_SystemDestroyWindow( window );
363	/* remove window info from hash table, and free it */
364	crHashtableDelete(render_spu.windowTable, win, crFree);
365
366	/* check if this window is bound to some ctx. Note: window pointer is already freed here */
367	crHashtableWalk(render_spu.contextTable, renderspuCheckCurrentCtxWindowCB, window);
368
369	/* restore current context */
370	{
371	GET_CONTEXT(pNewCtx);
372	if (pNewCtx!=pOldCtx)
373	{
374	renderspuMakeCurrent(pOldCtx&&pOldCtx->currentWindow ? pOldCtx->currentWindow->id:0, 0,
375	pOldCtx ? pOldCtx->id:0);
376	}
377	}
378	}
379	else {
380	crDebug("Render SPU: Attempt to destroy invalid window (%d)", win);
381	}
382	}
383
384
385	static void RENDER_APIENTRY
386	renderspuWindowSize( GLint win, GLint w, GLint h )
387	{
388	WindowInfo *window;
389	CRASSERT(win >= 0);
390	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
391	if (window) {
392	renderspu_SystemWindowSize( window, w, h );
393	}
394	else {
395	crDebug("Render SPU: Attempt to resize invalid window (%d)", win);
396	}
397	}
398
399
400	static void RENDER_APIENTRY
401	renderspuWindowPosition( GLint win, GLint x, GLint y )
402	{
403	if (!render_spu.ignore_window_moves) {
404	WindowInfo *window;
405	CRASSERT(win >= 0);
406	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
407	if (window) {
408	renderspu_SystemWindowPosition( window, x, y );
409	window->x = x;
410	window->y = y;
411	}
412	else {
413	crDebug("Render SPU: Attempt to move invalid window (%d)", win);
414	}
415	}
416	}
417
418	static void RENDER_APIENTRY
419	renderspuWindowVisibleRegion(GLint win, GLint cRects, GLint *pRects)
420	{
421	WindowInfo *window;
422	CRASSERT(win >= 0);
423	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
424	if (window) {
425	renderspu_SystemWindowVisibleRegion( window, cRects, pRects );
426	}
427	else {
428	crDebug("Render SPU: Attempt to set VisibleRegion for invalid window (%d)", win);
429	}
430	}
431
432	static void RENDER_APIENTRY
433	renderspuWindowShow( GLint win, GLint flag )
434	{
435	WindowInfo *window;
436	CRASSERT(win >= 0);
437	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
438	if (window) {
439	if (window->nativeWindow) {
440	/* We're rendering back to the native app window instead of the
441	* new window which we (the Render SPU) created earlier.
442	* So, we never want to show the Render SPU's window.
443	*/
444	flag = 0;
445	}
446	renderspu_SystemShowWindow( window, (GLboolean) flag );
447	}
448	else {
449	crDebug("Render SPU: Attempt to hide/show invalid window (%d)", win);
450	}
451	}
452
453
454	/*
455	* Set the current raster position to the given window coordinate.
456	*/
457	static void
458	SetRasterPos( GLint winX, GLint winY )
459	{
460	GLfloat fx, fy;
461
462	/* Push current matrix mode and viewport attributes */
463	render_spu.self.PushAttrib( GL_TRANSFORM_BIT \| GL_VIEWPORT_BIT );
464
465	/* Setup projection parameters */
466	render_spu.self.MatrixMode( GL_PROJECTION );
467	render_spu.self.PushMatrix();
468	render_spu.self.LoadIdentity();
469	render_spu.self.MatrixMode( GL_MODELVIEW );
470	render_spu.self.PushMatrix();
471	render_spu.self.LoadIdentity();
472
473	render_spu.self.Viewport( winX - 1, winY - 1, 2, 2 );
474
475	/* set the raster (window) position */
476	/* huh ? */
477	fx = (GLfloat) (winX - (int) winX);
478	fy = (GLfloat) (winY - (int) winY);
479	render_spu.self.RasterPos4f( fx, fy, 0.0, 1.0 );
480
481	/* restore matrices, viewport and matrix mode */
482	render_spu.self.PopMatrix();
483	render_spu.self.MatrixMode( GL_PROJECTION );
484	render_spu.self.PopMatrix();
485
486	render_spu.self.PopAttrib();
487	}
488
489
490	/*
491	* Draw the mouse pointer bitmap at (x,y) in window coords.
492	*/
493	static void DrawCursor( GLint x, GLint y )
494	{
495	#define POINTER_WIDTH 32
496	#define POINTER_HEIGHT 32
497	/* Somebody artistic could probably do better here */
498	static const char *pointerImage[POINTER_HEIGHT] =
499	{
500	"XX..............................",
501	"XXXX............................",
502	".XXXXX..........................",
503	".XXXXXXX........................",
504	"..XXXXXXXX......................",
505	"..XXXXXXXXXX....................",
506	"...XXXXXXXXXXX..................",
507	"...XXXXXXXXXXXXX................",
508	"....XXXXXXXXXXXXXX..............",
509	"....XXXXXXXXXXXXXXXX............",
510	".....XXXXXXXXXXXXXXXXX..........",
511	".....XXXXXXXXXXXXXXXXXXX........",
512	"......XXXXXXXXXXXXXXXXXXXX......",
513	"......XXXXXXXXXXXXXXXXXXXXXX....",
514	".......XXXXXXXXXXXXXXXXXXXXXXX..",
515	".......XXXXXXXXXXXXXXXXXXXXXXXX.",
516	"........XXXXXXXXXXXXX...........",
517	"........XXXXXXXX.XXXXX..........",
518	".........XXXXXX...XXXXX.........",
519	".........XXXXX.....XXXXX........",
520	"..........XXX.......XXXXX.......",
521	"..........XX.........XXXXX......",
522	"......................XXXXX.....",
523	".......................XXXXX....",
524	"........................XXX.....",
525	".........................X......",
526	"................................",
527	"................................",
528	"................................",
529	"................................",
530	"................................",
531	"................................"
532
533	};
534	static GLubyte pointerBitmap[POINTER_HEIGHT][POINTER_WIDTH / 8];
535	static GLboolean firstCall = GL_TRUE;
536	GLboolean lighting, depthTest, scissorTest;
537
538	if (firstCall) {
539	/* Convert pointerImage into pointerBitmap */
540	GLint i, j;
541	for (i = 0; i < POINTER_HEIGHT; i++) {
542	for (j = 0; j < POINTER_WIDTH; j++) {
543	if (pointerImage[POINTER_HEIGHT - i - 1][j] == 'X') {
544	GLubyte bit = 128 >> (j & 0x7);
545	pointerBitmap[i][j / 8] \|= bit;
546	}
547	}
548	}
549	firstCall = GL_FALSE;
550	}
551
552	render_spu.self.GetBooleanv(GL_LIGHTING, &lighting);
553	render_spu.self.GetBooleanv(GL_DEPTH_TEST, &depthTest);
554	render_spu.self.GetBooleanv(GL_SCISSOR_TEST, &scissorTest);
555	render_spu.self.Disable(GL_LIGHTING);
556	render_spu.self.Disable(GL_DEPTH_TEST);
557	render_spu.self.Disable(GL_SCISSOR_TEST);
558	render_spu.self.PixelStorei(GL_UNPACK_ALIGNMENT, 1);
559
560	render_spu.self.Color3f(1, 1, 1);
561
562	/* save current raster pos */
563	render_spu.self.PushAttrib(GL_CURRENT_BIT);
564	SetRasterPos(x, y);
565	render_spu.self.Bitmap(POINTER_WIDTH, POINTER_HEIGHT, 1.0, 31.0, 0, 0,
566	(const GLubyte *) pointerBitmap);
567	/* restore current raster pos */
568	render_spu.self.PopAttrib();
569
570	if (lighting)
571	render_spu.self.Enable(GL_LIGHTING);
572	if (depthTest)
573	render_spu.self.Enable(GL_DEPTH_TEST);
574	if (scissorTest)
575	render_spu.self.Enable(GL_SCISSOR_TEST);
576	}
577
578	void RENDER_APIENTRY renderspuSwapBuffers( GLint window, GLint flags )
579	{
580	WindowInfo w = (WindowInfo ) crHashtableSearch(render_spu.windowTable, window);
581
582	if (!w)
583	{
584	crDebug("Render SPU: SwapBuffers invalid window id: %d", window);
585	return;
586	}
587
588	if (flags & CR_SUPPRESS_SWAP_BIT)
589	{
590	render_spu.self.Finish();
591	return;
592	}
593
594	if (render_spu.drawCursor)
595	DrawCursor( render_spu.cursorX, render_spu.cursorY );
596
597	if (render_spu.swap_master_url)
598	DoSync();
599
600	renderspu_SystemSwapBuffers( w, flags );
601	}
602
603
604	/*
605	* Barrier functions
606	* Normally, we'll have a crserver somewhere that handles the barrier calls.
607	* However, if we're running the render SPU on the client node, then we
608	* should handle barriers here. The threadtest demo illustrates this.
609	* If we have N threads calling using this SPU we need these barrier
610	* functions to synchronize them.
611	*/
612
613	static void RENDER_APIENTRY renderspuBarrierCreateCR( GLuint name, GLuint count )
614	{
615	Barrier *b;
616
617	if (render_spu.ignore_papi)
618	return;
619
620	b = (Barrier *) crHashtableSearch( render_spu.barrierHash, name );
621	if (b) {
622	/* HACK -- this allows everybody to create a barrier, and all
623	but the first creation are ignored, assuming the count
624	match. */
625	if ( b->count != count ) {
626	crError( "Render SPU: Barrier name=%u created with count=%u, but already "
627	"exists with count=%u", name, count, b->count );
628	}
629	}
630	else {
631	b = (Barrier *) crAlloc( sizeof(Barrier) );
632	b->count = count;
633	crInitBarrier( &b->barrier, count );
634	crHashtableAdd( render_spu.barrierHash, name, b );
635	}
636	}
637
638	static void RENDER_APIENTRY renderspuBarrierDestroyCR( GLuint name )
639	{
640	if (render_spu.ignore_papi)
641	return;
642	crHashtableDelete( render_spu.barrierHash, name, crFree );
643	}
644
645	static void RENDER_APIENTRY renderspuBarrierExecCR( GLuint name )
646	{
647	Barrier *b;
648
649	if (render_spu.ignore_papi)
650	return;
651
652	b = (Barrier *) crHashtableSearch( render_spu.barrierHash, name );
653	if (b) {
654	crWaitBarrier( &(b->barrier) );
655	}
656	else {
657	crWarning("Render SPU: Bad barrier name %d in BarrierExec()", name);
658	}
659	}
660
661
662	/*
663	* Semaphore functions
664	* XXX we should probably implement these too, for the same reason as
665	* barriers (see above).
666	*/
667
668	static void RENDER_APIENTRY renderspuSemaphoreCreateCR( GLuint name, GLuint count )
669	{
670	(void) name;
671	(void) count;
672	}
673
674	static void RENDER_APIENTRY renderspuSemaphoreDestroyCR( GLuint name )
675	{
676	(void) name;
677	}
678
679	static void RENDER_APIENTRY renderspuSemaphorePCR( GLuint name )
680	{
681	(void) name;
682	}
683
684	static void RENDER_APIENTRY renderspuSemaphoreVCR( GLuint name )
685	{
686	(void) name;
687	}
688
689
690	/*
691	* Misc functions
692	*/
693
694
695
696	static void RENDER_APIENTRY renderspuChromiumParameteriCR(GLenum target, GLint value)
697	{
698	(void) target;
699	(void) value;
700
701
702	#if 0
703	switch (target)
704	{
705	default:
706	crWarning("Unhandled target in renderspuChromiumParameteriCR()");
707	break;
708	}
709	#endif
710	}
711
712	static void RENDER_APIENTRY
713	renderspuChromiumParameterfCR(GLenum target, GLfloat value)
714	{
715	(void) target;
716	(void) value;
717
718	#if 0
719	switch (target) {
720	default:
721	crWarning("Unhandled target in renderspuChromiumParameterfCR()");
722	break;
723	}
724	#endif
725	}
726
727
728	static void RENDER_APIENTRY
729	renderspuChromiumParametervCR(GLenum target, GLenum type, GLsizei count,
730	const GLvoid *values)
731	{
732	int client_num;
733	unsigned short port;
734	CRMessage *msg, pingback;
735	unsigned char *privbuf = NULL;
736
737	switch (target) {
738
739	case GL_GATHER_CONNECT_CR:
740	if (render_spu.gather_userbuf_size)
741	privbuf = (unsigned char )crAlloc(1024768*4);
742
743	port = ((GLint *) values)[0];
744
745	if (render_spu.gather_conns == NULL)
746	render_spu.gather_conns = crAlloc(render_spu.server->numClientssizeof(CRConnection ));
747	else
748	{
749	crError("Oh bother! duplicate GL_GATHER_CONNECT_CR getting through");
750	}
751
752	for (client_num=0; client_num< render_spu.server->numClients; client_num++)
753	{
754	switch (render_spu.server->clients[client_num]->conn->type)
755	{
756	case CR_TCPIP:
757	crDebug("Render SPU: AcceptClient from %s on %d",
758	render_spu.server->clients[client_num]->conn->hostname, render_spu.gather_port);
759	render_spu.gather_conns[client_num] =
760	crNetAcceptClient("tcpip", NULL, port, 1024*1024, 1);
761	break;
762
763	case CR_GM:
764	render_spu.gather_conns[client_num] =
765	crNetAcceptClient("gm", NULL, port, 1024*1024, 1);
766	break;
767
768	default:
769	crError("Render SPU: Unknown Network Type to Open Gather Connection");
770	}
771
772
773	if (render_spu.gather_userbuf_size)
774	{
775	render_spu.gather_conns[client_num]->userbuf = privbuf;
776	render_spu.gather_conns[client_num]->userbuf_len = render_spu.gather_userbuf_size;
777	}
778	else
779	{
780	render_spu.gather_conns[client_num]->userbuf = NULL;
781	render_spu.gather_conns[client_num]->userbuf_len = 0;
782	}
783
784	if (render_spu.gather_conns[client_num])
785	{
786	crDebug("Render SPU: success! from %s", render_spu.gather_conns[client_num]->hostname);
787	}
788	}
789
790	break;
791
792	case GL_GATHER_DRAWPIXELS_CR:
793	pingback.header.type = CR_MESSAGE_OOB;
794
795	for (client_num=0; client_num< render_spu.server->numClients; client_num++)
796	{
797	crNetGetMessage(render_spu.gather_conns[client_num], &msg);
798	if (msg->header.type == CR_MESSAGE_GATHER)
799	{
800	crNetFree(render_spu.gather_conns[client_num], msg);
801	}
802	else
803	{
804	crError("Render SPU: expecting MESSAGE_GATHER. got crap! (%d of %d)",
805	client_num, render_spu.server->numClients-1);
806	}
807	}
808
809	/*
810	* We're only hitting the case if we're not actually calling
811	* child.SwapBuffers from readback, so a switch about which
812	* call to DoSync() we really want [this one, or the one
813	* in SwapBuffers above] is not necessary -- karl
814	*/
815
816	if (render_spu.swap_master_url)
817	DoSync();
818
819	for (client_num=0; client_num< render_spu.server->numClients; client_num++)
820	crNetSend(render_spu.gather_conns[client_num], NULL, &pingback,
821	sizeof(CRMessageHeader));
822
823	render_spu.self.RasterPos2i(((GLint )values)[0], ((GLint )values)[1]);
824	render_spu.self.DrawPixels( ((GLint )values)[2], ((GLint )values)[3],
825	((GLint )values)[4], ((GLint )values)[5],
826	render_spu.gather_conns[0]->userbuf);
827
828
829	render_spu.self.SwapBuffers(((GLint *)values)[6], 0);
830	break;
831
832	case GL_CURSOR_POSITION_CR:
833	if (type == GL_INT && count == 2) {
834	render_spu.cursorX = ((GLint *) values)[0];
835	render_spu.cursorY = ((GLint *) values)[1];
836	crDebug("Render SPU: GL_CURSOR_POSITION_CR (%d, %d)", render_spu.cursorX, render_spu.cursorY);
837	}
838	else {
839	crWarning("Render SPU: Bad type or count for ChromiumParametervCR(GL_CURSOR_POSITION_CR)");
840	}
841	break;
842
843	case GL_WINDOW_SIZE_CR:
844	/* XXX this is old code that should be removed.
845	* NOTE: we can only resize the default (id=0) window!!!
846	*/
847	{
848	GLint w, h;
849	WindowInfo *window;
850	CRASSERT(type == GL_INT);
851	CRASSERT(count == 2);
852	CRASSERT(values);
853	w = ((GLint*)values)[0];
854	h = ((GLint*)values)[1];
855	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, 0);
856	if (window)
857	{
858	renderspu_SystemWindowSize(window, w, h);
859	}
860	}
861	break;
862
863	default:
864	#if 0
865	crWarning("Unhandled target in renderspuChromiumParametervCR(0x%x)", (int) target);
866	#endif
867	break;
868	}
869	}
870
871
872	static void RENDER_APIENTRY
873	renderspuGetChromiumParametervCR(GLenum target, GLuint index, GLenum type,
874	GLsizei count, GLvoid *values)
875	{
876	switch (target) {
877	case GL_WINDOW_SIZE_CR:
878	{
879	GLint x, y, w, h, size = (GLint ) values;
880	WindowInfo *window;
881	CRASSERT(type == GL_INT);
882	CRASSERT(count == 2);
883	CRASSERT(values);
884	size[0] = size[1] = 0; /* default */
885	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, index);
886	if (window)
887	{
888	renderspu_SystemGetWindowGeometry(window, &x, &y, &w, &h);
889	size[0] = w;
890	size[1] = h;
891	}
892	}
893	break;
894	case GL_WINDOW_POSITION_CR:
895	/* return window position, as a screen coordinate */
896	{
897	GLint pos = (GLint ) values;
898	GLint x, y, w, h;
899	WindowInfo *window;
900	CRASSERT(type == GL_INT);
901	CRASSERT(count == 2);
902	CRASSERT(values);
903	pos[0] = pos[1] = 0; /* default */
904	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, index);
905	if (window)
906	{
907	renderspu_SystemGetWindowGeometry(window, &x, &y, &w, &h);
908	pos[0] = x;/window->x;/
909	pos[1] = y;/window->y;/
910	}
911	}
912	break;
913	case GL_MAX_WINDOW_SIZE_CR:
914	{
915	GLint maxSize = (GLint ) values;
916	WindowInfo *window;
917	CRASSERT(type == GL_INT);
918	CRASSERT(count == 2);
919	CRASSERT(values);
920	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, index);
921	if (window)
922	{
923	renderspu_SystemGetMaxWindowSize(window, maxSize + 0, maxSize + 1);
924	}
925	}
926	break;
927	default:
928	; /* nothing - silence compiler */
929	}
930	}
931
932
933	static void RENDER_APIENTRY
934	renderspuBoundsInfoCR( CRrecti bounds, GLbyte payload, GLint len,
935	GLint num_opcodes )
936	{
937	(void) bounds;
938	(void) payload;
939	(void) len;
940	(void) num_opcodes;
941	/* draw the bounding box */
942	if (render_spu.draw_bbox) {
943	GET_CONTEXT(context);
944	WindowInfo *window = context->currentWindow;
945	GLint x, y, w, h;
946
947	renderspu_SystemGetWindowGeometry(window, &x, &y, &w, &h);
948
949	render_spu.self.PushMatrix();
950	render_spu.self.LoadIdentity();
951	render_spu.self.MatrixMode(GL_PROJECTION);
952	render_spu.self.PushMatrix();
953	render_spu.self.LoadIdentity();
954	render_spu.self.Ortho(0, w, 0, h, -1, 1);
955	render_spu.self.Color3f(1, 1, 1);
956	render_spu.self.Begin(GL_LINE_LOOP);
957	render_spu.self.Vertex2i(bounds->x1, bounds->y1);
958	render_spu.self.Vertex2i(bounds->x2, bounds->y1);
959	render_spu.self.Vertex2i(bounds->x2, bounds->y2);
960	render_spu.self.Vertex2i(bounds->x1, bounds->y2);
961	render_spu.self.End();
962	render_spu.self.PopMatrix();
963	render_spu.self.MatrixMode(GL_MODELVIEW);
964	render_spu.self.PopMatrix();
965	}
966	}
967
968
969	static void RENDER_APIENTRY
970	renderspuWriteback( GLint *writeback )
971	{
972	(void) writeback;
973	}
974
975
976	static void
977	remove_trailing_space(char *s)
978	{
979	int k = crStrlen(s);
980	while (k > 0 && s[k-1] == ' ')
981	k--;
982	s[k] = 0;
983	}
984
985	static const GLubyte * RENDER_APIENTRY
986	renderspuGetString(GLenum pname)
987	{
988	static char tempStr[1000];
989	GET_CONTEXT(context);
990
991	if (pname == GL_EXTENSIONS)
992	{
993	const char *nativeExt;
994	char crExt, s1, *s2;
995
996	if (!render_spu.ws.glGetString)
997	return NULL;
998
999	nativeExt = (const char *) render_spu.ws.glGetString(GL_EXTENSIONS);
1000	if (!nativeExt) {
1001	/* maybe called w/out current context. */
1002	return NULL;
1003	}
1004
1005	crExt = crStrjoin3(crExtensions, " ", crAppOnlyExtensions);
1006	s1 = crStrIntersect(nativeExt, crExt);
1007	remove_trailing_space(s1);
1008	s2 = crStrjoin3(s1, " ", crChromiumExtensions);
1009	remove_trailing_space(s2);
1010	crFree(crExt);
1011	crFree(s1);
1012	if (context->extensionString)
1013	crFree(context->extensionString);
1014	context->extensionString = s2;
1015	return (const GLubyte *) s2;
1016	}
1017	else if (pname == GL_VENDOR)
1018	return (const GLubyte *) CR_VENDOR;
1019	else if (pname == GL_VERSION)
1020	return render_spu.ws.glGetString(GL_VERSION);
1021	else if (pname == GL_RENDERER) {
1022	#ifdef VBOX
1023	snprintf(tempStr, sizeof(tempStr), "Chromium (%s)", (char *) render_spu.ws.glGetString(GL_RENDERER));
1024	#else
1025	sprintf(tempStr, "Chromium (%s)", (char *) render_spu.ws.glGetString(GL_RENDERER));
1026	#endif
1027	return (const GLubyte *) tempStr;
1028	}
1029	#ifdef CR_OPENGL_VERSION_2_0
1030	else if (pname == GL_SHADING_LANGUAGE_VERSION)
1031	return render_spu.ws.glGetString(GL_SHADING_LANGUAGE_VERSION);
1032	#endif
1033	#ifdef GL_CR_real_vendor_strings
1034	else if (pname == GL_REAL_VENDOR)
1035	return render_spu.ws.glGetString(GL_VENDOR);
1036	else if (pname == GL_REAL_VERSION)
1037	return render_spu.ws.glGetString(GL_VERSION);
1038	else if (pname == GL_REAL_RENDERER)
1039	return render_spu.ws.glGetString(GL_RENDERER);
1040	else if (pname == GL_REAL_EXTENSIONS)
1041	return render_spu.ws.glGetString(GL_EXTENSIONS);
1042	#endif
1043	else
1044	return NULL;
1045	}
1046
1047	DECLEXPORT(void) renderspuReparentWindow(GLint window)
1048	{
1049	WindowInfo *pWindow;
1050	CRASSERT(window >= 0);
1051
1052	pWindow = (WindowInfo *) crHashtableSearch(render_spu.windowTable, window);
1053
1054	if (!pWindow)
1055	{
1056	crDebug("Render SPU: Attempt to reparent invalid window (%d)", window);
1057	return;
1058	}
1059
1060	renderspu_SystemReparentWindow(pWindow);
1061	}
1062
1063	#if defined(DARWIN)
1064	# ifdef VBOX_WITH_COCOA_QT
1065	void renderspuFlush()
1066	{
1067	renderspu_SystemFlush();
1068	}
1069
1070	void renderspuFinish()
1071	{
1072	renderspu_SystemFinish();
1073	}
1074
1075	void renderspuBindFramebufferEXT(GLenum target, GLuint framebuffer)
1076	{
1077	renderspu_SystemBindFramebufferEXT(target, framebuffer);
1078	}
1079	# endif
1080	#endif
1081
1082	#define FILLIN( NAME, FUNC ) \
1083	table[i].name = crStrdup(NAME); \
1084	table[i].fn = (SPUGenericFunction) FUNC; \
1085	i++;
1086
1087
1088	/* These are the functions which the render SPU implements, not OpenGL.
1089	*/
1090	int
1091	renderspuCreateFunctions(SPUNamedFunctionTable table[])
1092	{
1093	int i = 0;
1094	FILLIN( "SwapBuffers", renderspuSwapBuffers );
1095	FILLIN( "CreateContext", renderspuCreateContext );
1096	FILLIN( "DestroyContext", renderspuDestroyContext );
1097	FILLIN( "MakeCurrent", renderspuMakeCurrent );
1098	FILLIN( "WindowCreate", renderspuWindowCreate );
1099	FILLIN( "WindowDestroy", renderspuWindowDestroy );
1100	FILLIN( "WindowSize", renderspuWindowSize );
1101	FILLIN( "WindowPosition", renderspuWindowPosition );
1102	FILLIN( "WindowVisibleRegion", renderspuWindowVisibleRegion );
1103	FILLIN( "WindowShow", renderspuWindowShow );
1104	FILLIN( "BarrierCreateCR", renderspuBarrierCreateCR );
1105	FILLIN( "BarrierDestroyCR", renderspuBarrierDestroyCR );
1106	FILLIN( "BarrierExecCR", renderspuBarrierExecCR );
1107	FILLIN( "BoundsInfoCR", renderspuBoundsInfoCR );
1108	FILLIN( "SemaphoreCreateCR", renderspuSemaphoreCreateCR );
1109	FILLIN( "SemaphoreDestroyCR", renderspuSemaphoreDestroyCR );
1110	FILLIN( "SemaphorePCR", renderspuSemaphorePCR );
1111	FILLIN( "SemaphoreVCR", renderspuSemaphoreVCR );
1112	FILLIN( "Writeback", renderspuWriteback );
1113	FILLIN( "ChromiumParameteriCR", renderspuChromiumParameteriCR );
1114	FILLIN( "ChromiumParameterfCR", renderspuChromiumParameterfCR );
1115	FILLIN( "ChromiumParametervCR", renderspuChromiumParametervCR );
1116	FILLIN( "GetChromiumParametervCR", renderspuGetChromiumParametervCR );
1117	FILLIN( "GetString", renderspuGetString );
1118	#if defined(DARWIN)
1119	# ifdef VBOX_WITH_COCOA_QT
1120	FILLIN( "Flush", renderspuFlush );
1121	FILLIN( "Finish", renderspuFinish );
1122	FILLIN( "BindFramebufferEXT", renderspuBindFramebufferEXT );
1123	# endif
1124	#endif
1125	return i;
1126	}

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source: vbox/trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu.c@ 34382

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