renderspu.c@ 18654

Last change on this file since 18654 was 15532, checked in by vboxsync, 16 years ago
crOpenGL: export to OSE
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File size: 30.8 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	if (crStrstr(extString, "GL_ARB_window_pos"))
233	context->haveWindowPosARB = GL_TRUE;
234	else
235	context->haveWindowPosARB = GL_FALSE;
236	context->everCurrent = GL_TRUE;
237	}
238	if (crWindow == 0 && window->mapPending &&
239	!render_spu.render_to_app_window && !render_spu.render_to_crut_window) {
240	/* Window[0] is special, it's the default window and normally hidden.
241	* If the mapPending flag is set, then we should now make the window
242	* visible.
243	*/
244	renderspu_SystemShowWindow( window, GL_TRUE );
245	window->mapPending = GL_FALSE;
246	}
247	window->everCurrent = GL_TRUE;
248	}
249	else
250	{
251	#ifdef CHROMIUM_THREADSAFE
252	crSetTSD(&_RenderTSD, NULL);
253	#else
254	render_spu.currentContext = NULL;
255	#endif
256	}
257	}
258
259
260	/*
261	* Window functions
262	*/
263
264	GLint RENDER_APIENTRY
265	renderspuWindowCreate( const char *dpyName, GLint visBits )
266	{
267	WindowInfo *window;
268	VisualInfo *visual;
269	GLboolean showIt;
270
271	if (!dpyName \|\| crStrlen(render_spu.display_string) > 0)
272	dpyName = render_spu.display_string;
273
274	visual = renderspuFindVisual( dpyName, visBits );
275	if (!visual)
276	{
277	crWarning( "Render SPU: Couldn't create a window, renderspuFindVisual returned NULL" );
278	return -1;
279	}
280
281	/* Allocate WindowInfo */
282	window = (WindowInfo *) crCalloc(sizeof(WindowInfo));
283	if (!window)
284	{
285	crWarning( "Render SPU: Couldn't create a window" );
286	return -1;
287	}
288
289	crHashtableAdd(render_spu.windowTable, render_spu.window_id, window);
290	window->id = render_spu.window_id;
291	render_spu.window_id++;
292
293	window->x = render_spu.defaultX;
294	window->y = render_spu.defaultY;
295	window->width = render_spu.defaultWidth;
296	window->height = render_spu.defaultHeight;
297
298	if ((render_spu.render_to_app_window \|\| render_spu.render_to_crut_window) && !crGetenv("CRNEWSERVER"))
299	showIt = 0;
300	else
301	showIt = window->id > 0;
302
303	/* Set window->title, replacing %i with the window ID number */
304	{
305	const char *s = crStrstr(render_spu.window_title, "%i");
306	if (s) {
307	int i, j, k;
308	window->title = crAlloc(crStrlen(render_spu.window_title) + 10);
309	for (i = 0; render_spu.window_title[i] != '%'; i++)
310	window->title[i] = render_spu.window_title[i];
311	k = sprintf(window->title + i, "%d", window->id);
312	CRASSERT(k < 10);
313	i++; /* skip the 'i' after the '%' */
314	j = i + k;
315	for (; (window->title[j] = s[i]) != 0; i++, j++)
316	;
317	}
318	else {
319	window->title = crStrdup(render_spu.window_title);
320	}
321	}
322
323	/*
324	crDebug("Render SPU: Creating window (visBits=0x%x, id=%d)", visBits, window->id);
325	*/
326	/* Have GLX/WGL/AGL create the window */
327	if (!renderspu_SystemVBoxCreateWindow( visual, showIt, window ))
328	{
329	crFree(window);
330	crWarning( "Render SPU: Couldn't create a window, renderspu_SystemCreateWindow failed" );
331	return -1;
332	}
333
334	CRASSERT(window->visual == visual);
335
336	return window->id;
337	}
338
339
340	static void
341	RENDER_APIENTRY renderspuWindowDestroy( GLint win )
342	{
343	WindowInfo *window;
344	CRASSERT(win >= 0);
345	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
346	if (window) {
347	crDebug("Render SPU: Destroy window (%d)", win);
348	renderspu_SystemDestroyWindow( window );
349	/* remove window info from hash table, and free it */
350	crHashtableDelete(render_spu.windowTable, win, crFree);
351	}
352	else {
353	crDebug("Render SPU: Attempt to destroy invalid window (%d)", win);
354	}
355	}
356
357
358	static void RENDER_APIENTRY
359	renderspuWindowSize( GLint win, GLint w, GLint h )
360	{
361	WindowInfo *window;
362	CRASSERT(win >= 0);
363	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
364	if (window) {
365	renderspu_SystemWindowSize( window, w, h );
366	}
367	else {
368	crDebug("Render SPU: Attempt to resize invalid window (%d)", win);
369	}
370	}
371
372
373	static void RENDER_APIENTRY
374	renderspuWindowPosition( GLint win, GLint x, GLint y )
375	{
376	if (!render_spu.ignore_window_moves) {
377	WindowInfo *window;
378	CRASSERT(win >= 0);
379	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
380	if (window) {
381	renderspu_SystemWindowPosition( window, x, y );
382	window->x = x;
383	window->y = y;
384	}
385	else {
386	crDebug("Render SPU: Attempt to move invalid window (%d)", win);
387	}
388	}
389	}
390
391	static void RENDER_APIENTRY
392	renderspuWindowVisibleRegion(GLint win, GLint cRects, GLint *pRects)
393	{
394	WindowInfo *window;
395	CRASSERT(win >= 0);
396	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
397	if (window) {
398	renderspu_SystemWindowVisibleRegion( window, cRects, pRects );
399	}
400	else {
401	crDebug("Render SPU: Attempt to set VisibleRegion for invalid window (%d)", win);
402	}
403	}
404
405	static void RENDER_APIENTRY
406	renderspuWindowShow( GLint win, GLint flag )
407	{
408	WindowInfo *window;
409	CRASSERT(win >= 0);
410	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
411	if (window) {
412	if (window->nativeWindow) {
413	/* We're rendering back to the native app window instead of the
414	* new window which we (the Render SPU) created earlier.
415	* So, we never want to show the Render SPU's window.
416	*/
417	flag = 0;
418	}
419	renderspu_SystemShowWindow( window, (GLboolean) flag );
420	}
421	else {
422	crDebug("Render SPU: Attempt to hide/show invalid window (%d)", win);
423	}
424	}
425
426
427	/*
428	* Set the current raster position to the given window coordinate.
429	*/
430	static void
431	SetRasterPos( GLint winX, GLint winY )
432	{
433	GLfloat fx, fy;
434
435	/* Push current matrix mode and viewport attributes */
436	render_spu.self.PushAttrib( GL_TRANSFORM_BIT \| GL_VIEWPORT_BIT );
437
438	/* Setup projection parameters */
439	render_spu.self.MatrixMode( GL_PROJECTION );
440	render_spu.self.PushMatrix();
441	render_spu.self.LoadIdentity();
442	render_spu.self.MatrixMode( GL_MODELVIEW );
443	render_spu.self.PushMatrix();
444	render_spu.self.LoadIdentity();
445
446	render_spu.self.Viewport( winX - 1, winY - 1, 2, 2 );
447
448	/* set the raster (window) position */
449	/* huh ? */
450	fx = (GLfloat) (winX - (int) winX);
451	fy = (GLfloat) (winY - (int) winY);
452	render_spu.self.RasterPos4f( fx, fy, 0.0, 1.0 );
453
454	/* restore matrices, viewport and matrix mode */
455	render_spu.self.PopMatrix();
456	render_spu.self.MatrixMode( GL_PROJECTION );
457	render_spu.self.PopMatrix();
458
459	render_spu.self.PopAttrib();
460	}
461
462
463	/*
464	* Draw the mouse pointer bitmap at (x,y) in window coords.
465	*/
466	static void DrawCursor( GLint x, GLint y )
467	{
468	#define POINTER_WIDTH 32
469	#define POINTER_HEIGHT 32
470	/* Somebody artistic could probably do better here */
471	static const char *pointerImage[POINTER_HEIGHT] =
472	{
473	"XX..............................",
474	"XXXX............................",
475	".XXXXX..........................",
476	".XXXXXXX........................",
477	"..XXXXXXXX......................",
478	"..XXXXXXXXXX....................",
479	"...XXXXXXXXXXX..................",
480	"...XXXXXXXXXXXXX................",
481	"....XXXXXXXXXXXXXX..............",
482	"....XXXXXXXXXXXXXXXX............",
483	".....XXXXXXXXXXXXXXXXX..........",
484	".....XXXXXXXXXXXXXXXXXXX........",
485	"......XXXXXXXXXXXXXXXXXXXX......",
486	"......XXXXXXXXXXXXXXXXXXXXXX....",
487	".......XXXXXXXXXXXXXXXXXXXXXXX..",
488	".......XXXXXXXXXXXXXXXXXXXXXXXX.",
489	"........XXXXXXXXXXXXX...........",
490	"........XXXXXXXX.XXXXX..........",
491	".........XXXXXX...XXXXX.........",
492	".........XXXXX.....XXXXX........",
493	"..........XXX.......XXXXX.......",
494	"..........XX.........XXXXX......",
495	"......................XXXXX.....",
496	".......................XXXXX....",
497	"........................XXX.....",
498	".........................X......",
499	"................................",
500	"................................",
501	"................................",
502	"................................",
503	"................................",
504	"................................"
505
506	};
507	static GLubyte pointerBitmap[POINTER_HEIGHT][POINTER_WIDTH / 8];
508	static GLboolean firstCall = GL_TRUE;
509	GLboolean lighting, depthTest, scissorTest;
510
511	if (firstCall) {
512	/* Convert pointerImage into pointerBitmap */
513	GLint i, j;
514	for (i = 0; i < POINTER_HEIGHT; i++) {
515	for (j = 0; j < POINTER_WIDTH; j++) {
516	if (pointerImage[POINTER_HEIGHT - i - 1][j] == 'X') {
517	GLubyte bit = 128 >> (j & 0x7);
518	pointerBitmap[i][j / 8] \|= bit;
519	}
520	}
521	}
522	firstCall = GL_FALSE;
523	}
524
525	render_spu.self.GetBooleanv(GL_LIGHTING, &lighting);
526	render_spu.self.GetBooleanv(GL_DEPTH_TEST, &depthTest);
527	render_spu.self.GetBooleanv(GL_SCISSOR_TEST, &scissorTest);
528	render_spu.self.Disable(GL_LIGHTING);
529	render_spu.self.Disable(GL_DEPTH_TEST);
530	render_spu.self.Disable(GL_SCISSOR_TEST);
531	render_spu.self.PixelStorei(GL_UNPACK_ALIGNMENT, 1);
532
533	render_spu.self.Color3f(1, 1, 1);
534
535	/* save current raster pos */
536	render_spu.self.PushAttrib(GL_CURRENT_BIT);
537	SetRasterPos(x, y);
538	render_spu.self.Bitmap(POINTER_WIDTH, POINTER_HEIGHT, 1.0, 31.0, 0, 0,
539	(const GLubyte *) pointerBitmap);
540	/* restore current raster pos */
541	render_spu.self.PopAttrib();
542
543	if (lighting)
544	render_spu.self.Enable(GL_LIGHTING);
545	if (depthTest)
546	render_spu.self.Enable(GL_DEPTH_TEST);
547	if (scissorTest)
548	render_spu.self.Enable(GL_SCISSOR_TEST);
549	}
550
551	void RENDER_APIENTRY renderspuSwapBuffers( GLint window, GLint flags )
552	{
553	WindowInfo w = (WindowInfo ) crHashtableSearch(render_spu.windowTable, window);
554
555	if (!w)
556	{
557	crDebug("Render SPU: SwapBuffers invalid window id: %d", window);
558	return;
559	}
560
561	if (flags & CR_SUPPRESS_SWAP_BIT)
562	{
563	render_spu.self.Finish();
564	return;
565	}
566
567	if (render_spu.drawCursor)
568	DrawCursor( render_spu.cursorX, render_spu.cursorY );
569
570	if (render_spu.swap_master_url)
571	DoSync();
572
573	renderspu_SystemSwapBuffers( w, flags );
574	}
575
576
577	/*
578	* Barrier functions
579	* Normally, we'll have a crserver somewhere that handles the barrier calls.
580	* However, if we're running the render SPU on the client node, then we
581	* should handle barriers here. The threadtest demo illustrates this.
582	* If we have N threads calling using this SPU we need these barrier
583	* functions to synchronize them.
584	*/
585
586	static void RENDER_APIENTRY renderspuBarrierCreateCR( GLuint name, GLuint count )
587	{
588	Barrier *b;
589
590	if (render_spu.ignore_papi)
591	return;
592
593	b = (Barrier *) crHashtableSearch( render_spu.barrierHash, name );
594	if (b) {
595	/* HACK -- this allows everybody to create a barrier, and all
596	but the first creation are ignored, assuming the count
597	match. */
598	if ( b->count != count ) {
599	crError( "Render SPU: Barrier name=%u created with count=%u, but already "
600	"exists with count=%u", name, count, b->count );
601	}
602	}
603	else {
604	b = (Barrier *) crAlloc( sizeof(Barrier) );
605	b->count = count;
606	crInitBarrier( &b->barrier, count );
607	crHashtableAdd( render_spu.barrierHash, name, b );
608	}
609	}
610
611	static void RENDER_APIENTRY renderspuBarrierDestroyCR( GLuint name )
612	{
613	if (render_spu.ignore_papi)
614	return;
615	crHashtableDelete( render_spu.barrierHash, name, crFree );
616	}
617
618	static void RENDER_APIENTRY renderspuBarrierExecCR( GLuint name )
619	{
620	Barrier *b;
621
622	if (render_spu.ignore_papi)
623	return;
624
625	b = (Barrier *) crHashtableSearch( render_spu.barrierHash, name );
626	if (b) {
627	crWaitBarrier( &(b->barrier) );
628	}
629	else {
630	crWarning("Render SPU: Bad barrier name %d in BarrierExec()", name);
631	}
632	}
633
634
635	/*
636	* Semaphore functions
637	* XXX we should probably implement these too, for the same reason as
638	* barriers (see above).
639	*/
640
641	static void RENDER_APIENTRY renderspuSemaphoreCreateCR( GLuint name, GLuint count )
642	{
643	(void) name;
644	(void) count;
645	}
646
647	static void RENDER_APIENTRY renderspuSemaphoreDestroyCR( GLuint name )
648	{
649	(void) name;
650	}
651
652	static void RENDER_APIENTRY renderspuSemaphorePCR( GLuint name )
653	{
654	(void) name;
655	}
656
657	static void RENDER_APIENTRY renderspuSemaphoreVCR( GLuint name )
658	{
659	(void) name;
660	}
661
662
663	/*
664	* Misc functions
665	*/
666
667
668
669	static void RENDER_APIENTRY renderspuChromiumParameteriCR(GLenum target, GLint value)
670	{
671	(void) target;
672	(void) value;
673
674
675	#if 0
676	switch (target)
677	{
678	default:
679	crWarning("Unhandled target in renderspuChromiumParameteriCR()");
680	break;
681	}
682	#endif
683	}
684
685	static void RENDER_APIENTRY
686	renderspuChromiumParameterfCR(GLenum target, GLfloat value)
687	{
688	(void) target;
689	(void) value;
690
691	#if 0
692	switch (target) {
693	default:
694	crWarning("Unhandled target in renderspuChromiumParameterfCR()");
695	break;
696	}
697	#endif
698	}
699
700
701	static void RENDER_APIENTRY
702	renderspuChromiumParametervCR(GLenum target, GLenum type, GLsizei count,
703	const GLvoid *values)
704	{
705	int client_num;
706	unsigned short port;
707	CRMessage *msg, pingback;
708	unsigned char *privbuf = NULL;
709
710	switch (target) {
711
712	case GL_GATHER_CONNECT_CR:
713	if (render_spu.gather_userbuf_size)
714	privbuf = (unsigned char )crAlloc(1024768*4);
715
716	port = ((GLint *) values)[0];
717
718	if (render_spu.gather_conns == NULL)
719	render_spu.gather_conns = crAlloc(render_spu.server->numClientssizeof(CRConnection ));
720	else
721	{
722	crError("Oh bother! duplicate GL_GATHER_CONNECT_CR getting through");
723	}
724
725	for (client_num=0; client_num< render_spu.server->numClients; client_num++)
726	{
727	switch (render_spu.server->clients[client_num]->conn->type)
728	{
729	case CR_TCPIP:
730	crDebug("Render SPU: AcceptClient from %s on %d",
731	render_spu.server->clients[client_num]->conn->hostname, render_spu.gather_port);
732	render_spu.gather_conns[client_num] =
733	crNetAcceptClient("tcpip", NULL, port, 1024*1024, 1);
734	break;
735
736	case CR_GM:
737	render_spu.gather_conns[client_num] =
738	crNetAcceptClient("gm", NULL, port, 1024*1024, 1);
739	break;
740
741	default:
742	crError("Render SPU: Unknown Network Type to Open Gather Connection");
743	}
744
745
746	if (render_spu.gather_userbuf_size)
747	{
748	render_spu.gather_conns[client_num]->userbuf = privbuf;
749	render_spu.gather_conns[client_num]->userbuf_len = render_spu.gather_userbuf_size;
750	}
751	else
752	{
753	render_spu.gather_conns[client_num]->userbuf = NULL;
754	render_spu.gather_conns[client_num]->userbuf_len = 0;
755	}
756
757	if (render_spu.gather_conns[client_num])
758	{
759	crDebug("Render SPU: success! from %s", render_spu.gather_conns[client_num]->hostname);
760	}
761	}
762
763	break;
764
765	case GL_GATHER_DRAWPIXELS_CR:
766	pingback.header.type = CR_MESSAGE_OOB;
767
768	for (client_num=0; client_num< render_spu.server->numClients; client_num++)
769	{
770	crNetGetMessage(render_spu.gather_conns[client_num], &msg);
771	if (msg->header.type == CR_MESSAGE_GATHER)
772	{
773	crNetFree(render_spu.gather_conns[client_num], msg);
774	}
775	else
776	{
777	crError("Render SPU: expecting MESSAGE_GATHER. got crap! (%d of %d)",
778	client_num, render_spu.server->numClients-1);
779	}
780	}
781
782	/*
783	* We're only hitting the case if we're not actually calling
784	* child.SwapBuffers from readback, so a switch about which
785	* call to DoSync() we really want [this one, or the one
786	* in SwapBuffers above] is not necessary -- karl
787	*/
788
789	if (render_spu.swap_master_url)
790	DoSync();
791
792	for (client_num=0; client_num< render_spu.server->numClients; client_num++)
793	crNetSend(render_spu.gather_conns[client_num], NULL, &pingback,
794	sizeof(CRMessageHeader));
795
796	render_spu.self.RasterPos2i(((GLint )values)[0], ((GLint )values)[1]);
797	render_spu.self.DrawPixels( ((GLint )values)[2], ((GLint )values)[3],
798	((GLint )values)[4], ((GLint )values)[5],
799	render_spu.gather_conns[0]->userbuf);
800
801
802	render_spu.self.SwapBuffers(((GLint *)values)[6], 0);
803	break;
804
805	case GL_CURSOR_POSITION_CR:
806	if (type == GL_INT && count == 2) {
807	render_spu.cursorX = ((GLint *) values)[0];
808	render_spu.cursorY = ((GLint *) values)[1];
809	crDebug("Render SPU: GL_CURSOR_POSITION_CR (%d, %d)", render_spu.cursorX, render_spu.cursorY);
810	}
811	else {
812	crWarning("Render SPU: Bad type or count for ChromiumParametervCR(GL_CURSOR_POSITION_CR)");
813	}
814	break;
815
816	case GL_WINDOW_SIZE_CR:
817	/* XXX this is old code that should be removed.
818	* NOTE: we can only resize the default (id=0) window!!!
819	*/
820	{
821	GLint w, h;
822	WindowInfo *window;
823	CRASSERT(type == GL_INT);
824	CRASSERT(count == 2);
825	CRASSERT(values);
826	w = ((GLint*)values)[0];
827	h = ((GLint*)values)[1];
828	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, 0);
829	if (window)
830	{
831	renderspu_SystemWindowSize(window, w, h);
832	}
833	}
834	break;
835
836	default:
837	#if 0
838	crWarning("Unhandled target in renderspuChromiumParametervCR(0x%x)", (int) target);
839	#endif
840	break;
841	}
842	}
843
844
845	static void RENDER_APIENTRY
846	renderspuGetChromiumParametervCR(GLenum target, GLuint index, GLenum type,
847	GLsizei count, GLvoid *values)
848	{
849	switch (target) {
850	case GL_WINDOW_SIZE_CR:
851	{
852	GLint x, y, w, h, size = (GLint ) values;
853	WindowInfo *window;
854	CRASSERT(type == GL_INT);
855	CRASSERT(count == 2);
856	CRASSERT(values);
857	size[0] = size[1] = 0; /* default */
858	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, index);
859	if (window)
860	{
861	renderspu_SystemGetWindowGeometry(window, &x, &y, &w, &h);
862	size[0] = w;
863	size[1] = h;
864	}
865	}
866	break;
867	case GL_WINDOW_POSITION_CR:
868	/* return window position, as a screen coordinate */
869	{
870	GLint pos = (GLint ) values;
871	GLint x, y, w, h;
872	WindowInfo *window;
873	CRASSERT(type == GL_INT);
874	CRASSERT(count == 2);
875	CRASSERT(values);
876	pos[0] = pos[1] = 0; /* default */
877	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, index);
878	if (window)
879	{
880	renderspu_SystemGetWindowGeometry(window, &x, &y, &w, &h);
881	pos[0] = x;/window->x;/
882	pos[1] = y;/window->y;/
883	}
884	}
885	break;
886	case GL_MAX_WINDOW_SIZE_CR:
887	{
888	GLint maxSize = (GLint ) values;
889	WindowInfo *window;
890	CRASSERT(type == GL_INT);
891	CRASSERT(count == 2);
892	CRASSERT(values);
893	window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, index);
894	if (window)
895	{
896	renderspu_SystemGetMaxWindowSize(window, maxSize + 0, maxSize + 1);
897	}
898	}
899	break;
900	default:
901	; /* nothing - silence compiler */
902	}
903	}
904
905
906	static void RENDER_APIENTRY
907	renderspuBoundsInfoCR( CRrecti bounds, GLbyte payload, GLint len,
908	GLint num_opcodes )
909	{
910	(void) bounds;
911	(void) payload;
912	(void) len;
913	(void) num_opcodes;
914	/* draw the bounding box */
915	if (render_spu.draw_bbox) {
916	GET_CONTEXT(context);
917	WindowInfo *window = context->currentWindow;
918	GLint x, y, w, h;
919
920	renderspu_SystemGetWindowGeometry(window, &x, &y, &w, &h);
921
922	render_spu.self.PushMatrix();
923	render_spu.self.LoadIdentity();
924	render_spu.self.MatrixMode(GL_PROJECTION);
925	render_spu.self.PushMatrix();
926	render_spu.self.LoadIdentity();
927	render_spu.self.Ortho(0, w, 0, h, -1, 1);
928	render_spu.self.Color3f(1, 1, 1);
929	render_spu.self.Begin(GL_LINE_LOOP);
930	render_spu.self.Vertex2i(bounds->x1, bounds->y1);
931	render_spu.self.Vertex2i(bounds->x2, bounds->y1);
932	render_spu.self.Vertex2i(bounds->x2, bounds->y2);
933	render_spu.self.Vertex2i(bounds->x1, bounds->y2);
934	render_spu.self.End();
935	render_spu.self.PopMatrix();
936	render_spu.self.MatrixMode(GL_MODELVIEW);
937	render_spu.self.PopMatrix();
938	}
939	}
940
941
942	static void RENDER_APIENTRY
943	renderspuWriteback( GLint *writeback )
944	{
945	(void) writeback;
946	}
947
948
949	static void
950	remove_trailing_space(char *s)
951	{
952	int k = crStrlen(s);
953	while (k > 0 && s[k-1] == ' ')
954	k--;
955	s[k] = 0;
956	}
957
958	static const GLubyte * RENDER_APIENTRY
959	renderspuGetString(GLenum pname)
960	{
961	static char tempStr[1000];
962	GET_CONTEXT(context);
963
964	if (pname == GL_EXTENSIONS)
965	{
966	const char *nativeExt;
967	char crExt, s1, *s2;
968
969	if (!render_spu.ws.glGetString)
970	return NULL;
971
972	nativeExt = (const char *) render_spu.ws.glGetString(GL_EXTENSIONS);
973	if (!nativeExt) {
974	/* maybe called w/out current context. */
975	return NULL;
976	}
977
978	crExt = crStrjoin3(crExtensions, " ", crAppOnlyExtensions);
979	s1 = crStrIntersect(nativeExt, crExt);
980	remove_trailing_space(s1);
981	s2 = crStrjoin3(s1, " ", crChromiumExtensions);
982	remove_trailing_space(s2);
983	crFree(crExt);
984	crFree(s1);
985	if (context->extensionString)
986	crFree(context->extensionString);
987	context->extensionString = s2;
988	return (const GLubyte *) s2;
989	}
990	else if (pname == GL_VENDOR)
991	return (const GLubyte *) CR_VENDOR;
992	else if (pname == GL_VERSION)
993	return render_spu.ws.glGetString(GL_VERSION);
994	else if (pname == GL_RENDERER) {
995	sprintf(tempStr, "Chromium (%s)", (char *) render_spu.ws.glGetString(GL_RENDERER));
996	return (const GLubyte *) tempStr;
997	}
998	else
999	return NULL;
1000	}
1001
1002
1003	#define FILLIN( NAME, FUNC ) \
1004	table[i].name = crStrdup(NAME); \
1005	table[i].fn = (SPUGenericFunction) FUNC; \
1006	i++;
1007
1008
1009	/* These are the functions which the render SPU implements, not OpenGL.
1010	*/
1011	int
1012	renderspuCreateFunctions(SPUNamedFunctionTable table[])
1013	{
1014	int i = 0;
1015	FILLIN( "SwapBuffers", renderspuSwapBuffers );
1016	FILLIN( "CreateContext", renderspuCreateContext );
1017	FILLIN( "DestroyContext", renderspuDestroyContext );
1018	FILLIN( "MakeCurrent", renderspuMakeCurrent );
1019	FILLIN( "WindowCreate", renderspuWindowCreate );
1020	FILLIN( "WindowDestroy", renderspuWindowDestroy );
1021	FILLIN( "WindowSize", renderspuWindowSize );
1022	FILLIN( "WindowPosition", renderspuWindowPosition );
1023	FILLIN( "WindowVisibleRegion", renderspuWindowVisibleRegion );
1024	FILLIN( "WindowShow", renderspuWindowShow );
1025	FILLIN( "BarrierCreateCR", renderspuBarrierCreateCR );
1026	FILLIN( "BarrierDestroyCR", renderspuBarrierDestroyCR );
1027	FILLIN( "BarrierExecCR", renderspuBarrierExecCR );
1028	FILLIN( "BoundsInfoCR", renderspuBoundsInfoCR );
1029	FILLIN( "SemaphoreCreateCR", renderspuSemaphoreCreateCR );
1030	FILLIN( "SemaphoreDestroyCR", renderspuSemaphoreDestroyCR );
1031	FILLIN( "SemaphorePCR", renderspuSemaphorePCR );
1032	FILLIN( "SemaphoreVCR", renderspuSemaphoreVCR );
1033	FILLIN( "Writeback", renderspuWriteback );
1034	FILLIN( "ChromiumParameteriCR", renderspuChromiumParameteriCR );
1035	FILLIN( "ChromiumParameterfCR", renderspuChromiumParameterfCR );
1036	FILLIN( "ChromiumParametervCR", renderspuChromiumParametervCR );
1037	FILLIN( "GetChromiumParametervCR", renderspuGetChromiumParametervCR );
1038	FILLIN( "GetString", renderspuGetString );
1039	return i;
1040	}

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source: vbox/trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu.c@ 18654

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