renderspu_agl.c@ 51442

Last change on this file since 51442 was 51442, checked in by vboxsync, 10 years ago
crOpenGL: fix flickering on osx
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File size: 33.7 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 <Carbon/Carbon.h>
8	#include <AGL/agl.h>
9	#include <OpenGL/OpenGL.h>
10
11	#include <iprt/time.h>
12	#include <iprt/assert.h>
13	#include <iprt/semaphore.h>
14
15	#include <stdio.h>
16
17	#include "cr_environment.h"
18	#include "cr_error.h"
19	#include "cr_string.h"
20	#include "cr_mem.h"
21	#include "renderspu.h"
22
23	#ifdef __LP64__ /** @todo port to 64-bit darwin. */
24	# define renderspuSetWindowContext(w, c) \
25	AssertFailed()
26	# define renderspuGetWindowContext(w) \
27	( (ContextInfo *) GetWRefCon( ((w)->nativeWindow ? (w)->nativeWindow : (w)->window) ) )
28	#else
29	# define renderspuSetWindowContext(w, c) \
30	( SetWRefCon( (w), (unsigned long) (c) ) )
31	# define renderspuGetWindowContext(w) \
32	( (ContextInfo *) GetWRefCon( ((w)->nativeWindow ? (w)->nativeWindow : (w)->window) ) )
33	#endif
34
35	/* Debug macros */
36	#ifdef DEBUG_poetzsch
37	#define DEBUG_MSG_POETZSCH(text) \
38	printf text
39	#else
40	#define DEBUG_MSG_POETZSCH(text) \
41	do {} while (0)
42	#endif
43
44	#define DEBUG_MSG_RESULT(result, text) \
45	crDebug(text" (%d; %s:%d)", (int)(result), __FILE__, __LINE__)
46
47	#define CHECK_CARBON_RC(result, text) \
48	if((result) != noErr) \
49	DEBUG_MSG_RESULT(result, text);
50
51	#define CHECK_CARBON_RC_RETURN(result, text, ret) \
52	if((result) != noErr) \
53	{ \
54	DEBUG_MSG_RESULT(result, text); \
55	return ret; \
56	}
57
58	#define CHECK_CARBON_RC_RETURN_VOID(result, text) \
59	CHECK_CARBON_RC_RETURN(result, text,)
60
61	#define CHECK_AGL_RC(result, text) \
62	if(!(result)) \
63	{ \
64	GLenum error = render_spu.ws.aglGetError(); \
65	DEBUG_MSG_RESULT(result, text); \
66	}
67
68	static void renderspu_SystemWindowApplyVisibleRegion(WindowInfo *window);
69	static void renderspu_SystemSetRootVisibleRegion(GLint cRects, GLint *pRects);
70
71	/* In some case (like compiz which doesn't provide us with clipping regions) we
72	* have to make sure that all open OpenGL windows are clipped to the main
73	* application window. This is done here when called from the event handler
74	* which monitor bounding changes of the main window. */
75	static void crClipRootHelper(unsigned long key, void data1, void data2)
76	{
77	/* The window with id zero is the base window, which isn't displayed at
78	* all. So ignore it. */
79	if (key > 0)
80	{
81	/* Fetch the actually window info & the user data */
82	WindowInfo pWin = (WindowInfo ) data1;
83	/* We need to assign the context with this window */
84	ContextInfo *context = renderspuGetWindowContext(pWin);
85	if (context &&
86	context->context)
87	{
88	RTSemFastMutexRequest(render_spu.syncMutex);
89	GLboolean result = render_spu.ws.aglSetCurrentContext(context->context);
90	CHECK_AGL_RC (result, "Render SPU (crClipRootHelper): SetCurrentContext Failed");
91	if (result)
92	{
93	result = render_spu.ws.aglUpdateContext(context->context);
94	CHECK_AGL_RC (result, "Render SPU (crClipRootHelper): UpdateContext Failed");
95	/* Update the clipping region */
96	renderspu_SystemWindowApplyVisibleRegion(pWin);
97	}
98	RTSemFastMutexRelease(render_spu.syncMutex);
99	/* Make sure that the position is updated relative to the Qt main
100	* view */
101	renderspu_SystemWindowPosition(pWin, pWin->x, pWin->y);
102	}
103	}
104	}
105
106	/* Window event handler */
107	pascal OSStatus
108	windowEvtHndlr(EventHandlerCallRef myHandler, EventRef event, void* userData)
109	{
110	WindowRef window = NULL;
111	OSStatus eventResult = eventNotHandledErr;
112	UInt32 class = GetEventClass (event);
113	UInt32 kind = GetEventKind (event);
114
115	/* If we aren't initialized or even deinitialized already (as on VM
116	* shutdown) do nothing. */
117	if (!render_spu.fInit)
118	return eventNotHandledErr;
119
120	/* Fetch the sender of the event */
121	GetEventParameter(event, kEventParamDirectObject, typeWindowRef,
122	NULL, sizeof(WindowRef), NULL, &window);
123	switch (class)
124	{
125	case kEventClassVBox:
126	{
127	switch (kind)
128	{
129	case kEventVBoxUpdateContext:
130	{
131	#ifndef __LP64__ /** @todo port to 64-bit darwin! Need to check if this event is generated or not (it probably isn't). */
132	WindowInfo *wi1;
133	GetEventParameter(event, kEventParamUserData, typeVoidPtr,
134	NULL, sizeof(wi1), NULL, &wi1);
135	ContextInfo *context = renderspuGetWindowContext(wi1);
136	if (context &&
137	context->context)
138	{
139	AGLContext tmpContext = render_spu.ws.aglGetCurrentContext();
140	DEBUG_MSG_POETZSCH (("kEventVBoxUpdateContext %x %x\n", wi1, context->context));
141	RTSemFastMutexRequest(render_spu.syncMutex);
142	GLboolean result = render_spu.ws.aglSetCurrentContext(context->context);
143	if (result)
144	{
145	result = render_spu.ws.aglUpdateContext(context->context);
146	CHECK_AGL_RC (result, "Render SPU (windowEvtHndlr): UpdateContext Failed");
147	renderspu_SystemWindowApplyVisibleRegion(wi1);
148	/* Reapply the last active context */
149	if (tmpContext)
150	{
151	result = render_spu.ws.aglSetCurrentContext(tmpContext);
152	CHECK_AGL_RC (result, "Render SPU (windowEvtHndlr): SetCurrentContext Failed");
153	if (result)
154	{
155	result = render_spu.ws.aglUpdateContext(tmpContext);
156	CHECK_AGL_RC (result, "Render SPU (windowEvtHndlr): UpdateContext Failed");
157	}
158	}
159	}
160	RTSemFastMutexRelease(render_spu.syncMutex);
161	}
162	eventResult = noErr;
163	#endif
164	break;
165	}
166	case kEventVBoxBoundsChanged:
167	{
168	#ifndef __LP64__ /** @todo port to 64-bit darwin! Need to check if this event is generated or not (it probably isn't). */
169	HIPoint p;
170	GetEventParameter(event, kEventParamOrigin, typeHIPoint,
171	NULL, sizeof(p), NULL, &p);
172	HISize s;
173	GetEventParameter(event, kEventParamDimensions, typeHISize,
174	NULL, sizeof(s), NULL, &s);
175	HIRect r = CGRectMake (0, 0, s.width, s.height);
176	DEBUG_MSG_POETZSCH (("kEventVBoxBoundsChanged %f %f %f %f\n", p.x, p.y, s.width, s.height));
177	GLint l[4] = { 0,
178	0,
179	r.size.width,
180	r.size.height };
181	/* Update the root window clip region */
182	renderspu_SystemSetRootVisibleRegion(1, l);
183	/* Temporary save the current active context */
184	AGLContext tmpContext = render_spu.ws.aglGetCurrentContext();
185	crHashtableWalk(render_spu.windowTable, crClipRootHelper, NULL);
186	/* Reapply the last active context */
187	if (tmpContext)
188	{
189	RTSemFastMutexRequest(render_spu.syncMutex);
190	GLboolean result = render_spu.ws.aglSetCurrentContext(tmpContext);
191	CHECK_AGL_RC (result, "Render SPU (windowEvtHndlr): SetCurrentContext Failed");
192	/* Doesn't work with DirectX; Anyway doesn't */
193	/* if (result)*/
194	/* {*/
195	/* result = render_spu.ws.aglUpdateContext(tmpContext);*/
196	/* CHECK_AGL_RC (result, "Render SPU (windowEvtHndlr): UpdateContext Failed");*/
197	/* }*/
198	RTSemFastMutexRelease(render_spu.syncMutex);
199	}
200	eventResult = noErr;
201	#endif
202	break;
203	}
204	};
205	break;
206	}
207	break;
208	};
209
210	return eventResult;
211	}
212
213	GLboolean
214	renderspu_SystemInitVisual(VisualInfo *visual)
215	{
216	if(visual->visAttribs & CR_PBUFFER_BIT)
217	crWarning("Render SPU (renderspu_SystemInitVisual): PBuffers not support on Darwin/AGL yet.");
218
219	return GL_TRUE;
220	}
221
222	GLboolean
223	renderspuChoosePixelFormat(ContextInfo context, AGLPixelFormat pix)
224	{
225	GLbitfield visAttribs = context->visual->visAttribs;
226	GLint attribs[32];
227	GLint ind = 0;
228
229	#define ATTR_ADD(s) ( attribs[ind++] = (s) )
230	#define ATTR_ADDV(s,v) ( ATTR_ADD((s)), ATTR_ADD((v)) )
231
232	CRASSERT(render_spu.ws.aglChoosePixelFormat);
233
234	ATTR_ADD(AGL_RGBA);
235	/* ATTR_ADDV(AGL_RED_SIZE, 1);
236	ATTR_ADDV(AGL_GREEN_SIZE, 1);
237	ATTR_ADDV(AGL_BLUE_SIZE, 1); */
238
239	/* if( render_spu.fullscreen )*/
240	/* ATTR_ADD(AGL_FULLSCREEN);*/
241
242	if( visAttribs & CR_ALPHA_BIT )
243	ATTR_ADDV(AGL_ALPHA_SIZE, 1);
244
245	if( visAttribs & CR_DOUBLE_BIT )
246	ATTR_ADD(AGL_DOUBLEBUFFER);
247
248	if( visAttribs & CR_STEREO_BIT )
249	ATTR_ADD(AGL_STEREO);
250
251	if( visAttribs & CR_DEPTH_BIT )
252	ATTR_ADDV(AGL_DEPTH_SIZE, 1);
253
254	if( visAttribs & CR_STENCIL_BIT )
255	ATTR_ADDV(AGL_STENCIL_SIZE, 1);
256
257	if( visAttribs & CR_ACCUM_BIT ) {
258	ATTR_ADDV(AGL_ACCUM_RED_SIZE, 1);
259	ATTR_ADDV(AGL_ACCUM_GREEN_SIZE, 1);
260	ATTR_ADDV(AGL_ACCUM_BLUE_SIZE, 1);
261	if( visAttribs & CR_ALPHA_BIT )
262	ATTR_ADDV(AGL_ACCUM_ALPHA_SIZE, 1);
263	}
264
265	if( visAttribs & CR_MULTISAMPLE_BIT ) {
266	ATTR_ADDV(AGL_SAMPLE_BUFFERS_ARB, 1);
267	ATTR_ADDV(AGL_SAMPLES_ARB, 4);
268	}
269
270	if( visAttribs & CR_OVERLAY_BIT )
271	ATTR_ADDV(AGL_LEVEL, 1);
272
273	ATTR_ADD(AGL_NONE);
274
275	*pix = render_spu.ws.aglChoosePixelFormat( NULL, 0, attribs );
276
277	return (*pix != NULL);
278	}
279
280	void
281	renderspuDestroyPixelFormat(ContextInfo context, AGLPixelFormat pix)
282	{
283	render_spu.ws.aglDestroyPixelFormat( *pix );
284	*pix = NULL;
285	}
286
287	GLboolean
288	renderspu_SystemCreateContext(VisualInfo visual, ContextInfo context, ContextInfo *sharedContext)
289	{
290	AGLPixelFormat pix;
291
292	(void) sharedContext;
293	CRASSERT(visual);
294	CRASSERT(context);
295
296	context->visual = visual;
297
298	if( !renderspuChoosePixelFormat(context, &pix) ) {
299	crError( "Render SPU (renderspu_SystemCreateContext): Unable to create pixel format" );
300	return GL_FALSE;
301	}
302
303	context->context = render_spu.ws.aglCreateContext( pix, NULL );
304	renderspuDestroyPixelFormat( context, &pix );
305
306	if( !context->context ) {
307	crError( "Render SPU (renderspu_SystemCreateContext): Could not create rendering context" );
308	return GL_FALSE;
309	}
310
311	return GL_TRUE;
312	}
313
314	void
315	renderspu_SystemDestroyContext(ContextInfo *context)
316	{
317	if(!context)
318	return;
319
320	render_spu.ws.aglSetDrawable(context->context, NULL);
321	render_spu.ws.aglSetCurrentContext(NULL);
322	if(context->context)
323	{
324	render_spu.ws.aglDestroyContext(context->context);
325	context->context = NULL;
326	}
327
328	context->visual = NULL;
329	}
330
331	void
332	renderspuFullscreen(WindowInfo *window, GLboolean fullscreen)
333	{
334	/* Real fullscreen isn't supported by VirtualBox */
335	}
336
337	GLboolean
338	renderspuWindowAttachContext(WindowInfo *wi, WindowRef window,
339	ContextInfo *context)
340	{
341	GLboolean result;
342
343	if(!context \|\| !wi)
344	return render_spu.ws.aglSetCurrentContext( NULL );
345
346	/* DEBUG_MSG_POETZSCH (("WindowAttachContext %d\n", wi->BltInfo.Base.id));*/
347
348	/* Flush old context first */
349	if (context->currentWindow->window != window)
350	render_spu.self.Flush();
351	/* If the window buffer name is uninitialized we have to create a new
352	* dummy context. */
353	if (wi->bufferName == -1)
354	{
355	DEBUG_MSG_POETZSCH (("WindowAttachContext: create context %d\n", wi->BltInfo.Base.id));
356	/* Use the same visual bits as those in the context structure */
357	AGLPixelFormat pix;
358	if( !renderspuChoosePixelFormat(context, &pix) )
359	{
360	crError( "Render SPU (renderspuWindowAttachContext): Unable to create pixel format" );
361	return GL_FALSE;
362	}
363	/* Create the dummy context */
364	wi->dummyContext = render_spu.ws.aglCreateContext( pix, NULL );
365	renderspuDestroyPixelFormat( context, &pix );
366	if( !wi->dummyContext )
367	{
368	crError( "Render SPU (renderspuWindowAttachContext): Could not create rendering context" );
369	return GL_FALSE;
370	}
371	AGLDrawable drawable;
372	#ifdef __LP64__ /** @todo port to 64-bit darwin. */
373	drawable = NULL;
374	#else
375	drawable = (AGLDrawable) GetWindowPort(window);
376	#endif
377	/* New global buffer name */
378	wi->bufferName = render_spu.currentBufferName++;
379	/* Set the new buffer name to the dummy context. This enable the
380	* sharing of the same hardware buffer afterwards. */
381	result = render_spu.ws.aglSetInteger(wi->dummyContext, AGL_BUFFER_NAME, &wi->bufferName);
382	CHECK_AGL_RC (result, "Render SPU (renderspuWindowAttachContext): SetInteger Failed");
383	/* Assign the dummy context to the window */
384	result = render_spu.ws.aglSetDrawable(wi->dummyContext, drawable);
385	CHECK_AGL_RC (result, "Render SPU (renderspuWindowAttachContext): SetDrawable Failed");
386	}
387
388	AGLDrawable oldDrawable;
389	AGLDrawable newDrawable;
390
391	oldDrawable = render_spu.ws.aglGetDrawable(context->context);
392	#ifdef __LP64__ /** @todo port to 64-bit darwin. */
393	newDrawable = oldDrawable;
394	#else
395	newDrawable = (AGLDrawable) GetWindowPort(window);
396	#endif
397	RTSemFastMutexRequest(render_spu.syncMutex);
398	/* Only switch the context if the drawable has changed */
399	if (oldDrawable != newDrawable)
400	{
401	/* Reset the current context */
402	result = render_spu.ws.aglSetDrawable(context->context, NULL);
403	CHECK_AGL_RC (result, "Render SPU (renderspuWindowAttachContext): SetDrawable Failed");
404	/* Set the buffer name of the dummy context to the current context
405	* also. After that both share the same hardware buffer. */
406	render_spu.ws.aglSetInteger (context->context, AGL_BUFFER_NAME, &wi->bufferName);
407	CHECK_AGL_RC (result, "Render SPU (renderspuWindowAttachContext): SetInteger Failed");
408	/* Set the new drawable */
409	#ifdef __LP64__ /** @todo port to 64-bit darwin. */
410	result = -1;
411	#else
412	result = render_spu.ws.aglSetDrawable(context->context, newDrawable);
413	#endif
414	CHECK_AGL_RC (result, "Render SPU (renderspuWindowAttachContext): SetDrawable Failed");
415	renderspuSetWindowContext(window, context);
416	}
417	result = render_spu.ws.aglSetCurrentContext(context->context);
418	CHECK_AGL_RC (result, "Render SPU (renderspuWindowAttachContext): SetCurrentContext Failed");
419	result = render_spu.ws.aglUpdateContext(context->context);
420	CHECK_AGL_RC (result, "Render SPU (renderspuWindowAttachContext): UpdateContext Failed");
421	RTSemFastMutexRelease(render_spu.syncMutex);
422
423	return result;
424	}
425
426	GLboolean
427	renderspu_SystemCreateWindow(VisualInfo *visual, GLboolean showIt,
428	WindowInfo *window)
429	{
430	return GL_TRUE;
431	}
432
433	void renderspu_SystemReparentWindow(WindowInfo *)
434	{
435	/* stub only */
436	}
437
438	void
439	renderspu_SystemDestroyWindow(WindowInfo *window)
440	{
441	CRASSERT(window);
442	CRASSERT(window->visual);
443
444	if(!window->nativeWindow)
445	{
446	EventRef evt;
447	OSStatus status = CreateEvent(NULL, kEventClassVBox, kEventVBoxDisposeWindow, 0, kEventAttributeNone, &evt);
448	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemDestroyWindow): CreateEvent Failed");
449	status = SetEventParameter(evt, kEventParamWindowRef, typeWindowRef, sizeof (window->window), &window->window);
450	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemDestroyWindow): SetEventParameter Failed");
451	status = PostEventToQueue(GetMainEventQueue(), evt, kEventPriorityStandard);
452	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemDestroyWindow): PostEventToQueue Failed");
453	}
454
455	/* Delete the dummy context */
456	if(window->dummyContext)
457	{
458	render_spu.ws.aglSetDrawable(window->dummyContext, NULL);
459	render_spu.ws.aglDestroyContext(window->dummyContext);
460	window->dummyContext = NULL;
461	}
462
463	/* Reset some values */
464	window->bufferName = -1;
465	window->visual = NULL;
466	window->window = NULL;
467
468	if (window->hVisibleRegion)
469	{
470	DisposeRgn(window->hVisibleRegion);
471	window->hVisibleRegion = 0;
472	}
473	}
474
475	void
476	renderspu_SystemWindowPosition(WindowInfo *window,
477	GLint x, GLint y)
478	{
479	CRASSERT(window);
480	CRASSERT(window->window);
481
482	OSStatus status = noErr;
483	/* Send a event to the main thread, cause some function of Carbon aren't
484	* thread safe */
485	EventRef evt;
486	status = CreateEvent(NULL, kEventClassVBox, kEventVBoxMoveWindow, 0, kEventAttributeNone, &evt);
487	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemWindowPosition): CreateEvent Failed");
488	status = SetEventParameter(evt, kEventParamWindowRef, typeWindowRef, sizeof(window->window), &window->window);
489	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemWindowPosition): SetEventParameter Failed");
490	HIPoint p = CGPointMake (x, y);
491	status = SetEventParameter(evt, kEventParamOrigin, typeHIPoint, sizeof (p), &p);
492	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemWindowPosition): SetEventParameter Failed");
493	status = SetEventParameter(evt, kEventParamUserData, typeVoidPtr, sizeof (window), &window);
494	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemWindowPosition): SetEventParameter Failed");
495	status = PostEventToQueue(GetMainEventQueue(), evt, kEventPriorityStandard);
496	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemWindowPosition): PostEventToQueue Failed");
497
498	/* save the new pos */
499	window->x = x;
500	window->y = y;
501	}
502
503	void
504	renderspu_SystemWindowSize(WindowInfo *window, GLint w, GLint h)
505	{
506	CRASSERT(window);
507	CRASSERT(window->window);
508
509	OSStatus status = noErr;
510	/* Send a event to the main thread, cause some function of Carbon aren't
511	* thread safe */
512	EventRef evt;
513	status = CreateEvent(NULL, kEventClassVBox, kEventVBoxResizeWindow, 0, kEventAttributeNone, &evt);
514	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemWindowSize): CreateEvent Failed ");
515	status = SetEventParameter(evt, kEventParamWindowRef, typeWindowRef, sizeof(window->window), &window->window);
516	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemWindowSize): SetEventParameter Failed");
517	HISize s = CGSizeMake (w, h);
518	status = SetEventParameter(evt, kEventParamDimensions, typeHISize, sizeof (s), &s);
519	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemWindowSize): SetEventParameter Failed");
520	status = SetEventParameter(evt, kEventParamUserData, typeVoidPtr, sizeof (window), &window);
521	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemWindowSize): SetEventParameter Failed");
522	status = PostEventToQueue(GetMainEventQueue(), evt, kEventPriorityStandard);
523	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemWindowSize): SendEventToEventTarget Failed");
524
525	DEBUG_MSG_POETZSCH (("Size %d visible %d\n", window->BltInfo.Base.id, IsWindowVisible (window->window)));
526	/* save the new size */
527	window->BltInfo.width = w;
528	window->BltInfo.height = h;
529	}
530
531	void
532	renderspu_SystemGetWindowGeometry(WindowInfo *window,
533	GLint x, GLint y,
534	GLint w, GLint h)
535	{
536	CRASSERT(window);
537	CRASSERT(window->window);
538
539	OSStatus status = noErr;
540	Rect r;
541	status = GetWindowBounds(window->window, kWindowStructureRgn, &r);
542	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemGetWindowGeometry): GetWindowBounds Failed");
543
544	*x = (int) r.left;
545	*y = (int) r.top;
546	*w = (int) (r.right - r.left);
547	*h = (int) (r.bottom - r.top);
548	}
549
550	void
551	renderspu_SystemGetMaxWindowSize(WindowInfo *window,
552	GLint w, GLint h)
553	{
554	CRASSERT(window);
555	CRASSERT(window->window);
556
557	OSStatus status = noErr;
558	HISize s;
559	#ifdef __LP64__ /** @todo port to 64-bit darwin. */
560	status = -1;
561	#else
562	status = GetWindowResizeLimits (window->window, NULL, &s);
563	#endif
564	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemGetMaxWindowSize): GetWindowResizeLimits Failed");
565
566	*w = s.width;
567	*h = s.height;
568	}
569
570	/* Either show or hide the render SPU's window. */
571	void
572	renderspu_SystemShowWindow(WindowInfo *window, GLboolean showIt)
573	{
574	CRASSERT(window);
575	CRASSERT(window->window);
576
577	if (!IsValidWindowPtr(window->window))
578	return;
579
580	if(showIt)
581	{
582	/* Force moving the win to the right position before we show it */
583	renderspu_SystemWindowPosition (window, window->x, window->y);
584	OSStatus status = noErr;
585	/* Send a event to the main thread, cause some function of Carbon
586	* aren't thread safe */
587	EventRef evt;
588	status = CreateEvent(NULL, kEventClassVBox, kEventVBoxShowWindow, 0, kEventAttributeNone, &evt);
589	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemShowWindow): CreateEvent Failed");
590	status = SetEventParameter(evt, kEventParamWindowRef, typeWindowRef, sizeof (window->window), &window->window);
591	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemShowWindow): SetEventParameter Failed");
592	status = SetEventParameter(evt, kEventParamUserData, typeVoidPtr, sizeof (window), &window);
593	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemWindowShow): SetEventParameter Failed");
594	//status = SendEventToEventTarget (evt, GetWindowEventTarget (HIViewGetWindow ((HIViewRef)render_spu_parent_window_id)));
595	status = PostEventToQueue(GetMainEventQueue(), evt, kEventPriorityStandard);
596	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemShowWindow): PostEventToQueue Failed");
597	}
598	else
599	{
600	EventRef evt;
601	OSStatus status = CreateEvent(NULL, kEventClassVBox, kEventVBoxHideWindow, 0, kEventAttributeNone, &evt);
602	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemShowWindow): CreateEvent Failed");
603	status = SetEventParameter(evt, kEventParamWindowRef, typeWindowRef, sizeof (window->window), &window->window);
604	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemShowWindow): SetEventParameter Failed");
605	status = PostEventToQueue(GetMainEventQueue(), evt, kEventPriorityStandard);
606	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemShowWindow): PostEventToQueue Failed");
607	}
608	}
609
610	void renderspu_SystemVBoxPresentComposition( WindowInfo window, const struct VBOXVR_SCR_COMPOSITOR pCompositor, const struct VBOXVR_SCR_COMPOSITOR_ENTRY *pChangedEntry )
611	{
612	renderspuVBoxPresentCompositionGeneric(window, pCompositor, pChangedEntry, 0, false);
613	}
614
615	void
616	renderspu_SystemMakeCurrent(WindowInfo *window, GLint nativeWindow,
617	ContextInfo *context)
618	{
619	Boolean result;
620	/* DEBUG_MSG_POETZSCH (("makecurrent %d: \n", window->BltInfo.Base.id));*/
621
622	CRASSERT(render_spu.ws.aglSetCurrentContext);
623	//crDebug( "renderspu_SystemMakeCurrent( %x, %i, %x )", window, nativeWindow, context );
624
625	nativeWindow = 0;
626
627	if(window && context)
628	{
629	CRASSERT(window->window);
630	CRASSERT(context->context);
631
632	if(window->visual != context->visual)
633	{
634	crDebug("Render SPU (renderspu_SystemMakeCurrent): MakeCurrent visual mismatch (0x%x != 0x%x); remaking window.",
635	(uint)window->visual->visAttribs, (uint)context->visual->visAttribs);
636	/*
637	* XXX have to revisit this issue!!!
638	*
639	* But for now we destroy the current window
640	* and re-create it with the context's visual abilities
641	*/
642	renderspu_SystemDestroyWindow(window);
643	renderspu_SystemCreateWindow(context->visual, window->visible,
644	window);
645	}
646
647	/* This is the normal case: rendering to the render SPU's own window */
648	result = renderspuWindowAttachContext(window, window->window,
649	context);
650	/* XXX this is a total hack to work around an NVIDIA driver bug */
651	if(render_spu.self.GetFloatv && context->haveWindowPosARB)
652	{
653	GLfloat f[4];
654	render_spu.self.GetFloatv(GL_CURRENT_RASTER_POSITION, f);
655	if (!window->everCurrent \|\| f[1] < 0.0)
656	{
657	crDebug("Render SPU (renderspu_SystemMakeCurrent): Resetting raster pos");
658	render_spu.self.WindowPos2iARB(0, 0);
659	}
660	}
661	/* Reapply the visible regions */
662	renderspu_SystemWindowApplyVisibleRegion(window);
663	}
664	else
665	renderspuWindowAttachContext (0, 0, 0);
666	}
667
668	void
669	renderspu_SystemSwapBuffers(WindowInfo *window, GLint flags)
670	{
671	CRASSERT(window);
672	CRASSERT(window->window);
673
674	ContextInfo *context = renderspuGetWindowContext(window);
675
676	if(!context)
677	crError("Render SPU (renderspu_SystemSwapBuffers): SwapBuffers got a null context from the window");
678
679	RTSemFastMutexRequest(render_spu.syncMutex);
680	// DEBUG_MSG_POETZSCH (("Swapped %d context %x visible: %d\n", window->BltInfo.Base.id, context->context, IsWindowVisible (window->window)));
681	if (context->visual &&
682	context->visual->visAttribs & CR_DOUBLE_BIT)
683	render_spu.ws.aglSwapBuffers(context->context);
684	else
685	glFlush();
686	RTSemFastMutexRelease(render_spu.syncMutex);
687
688	/* This method seems called very often. To prevent the dock using all free
689	* resources we update the dock only two times per second. */
690	uint64_t curTS = RTTimeMilliTS();
691	if ((curTS - render_spu.uiDockUpdateTS) > 500)
692	{
693	OSStatus status = noErr;
694	/* Send a event to the main thread, cause some function of Carbon aren't
695	* thread safe */
696	EventRef evt;
697	status = CreateEvent(NULL, kEventClassVBox, kEventVBoxUpdateDock, 0, kEventAttributeNone, &evt);
698	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemSwapBuffers): CreateEvent Failed");
699	status = PostEventToQueue(GetMainEventQueue(), evt, kEventPriorityStandard);
700	CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemSwapBuffers): PostEventToQueue Failed");
701
702	render_spu.uiDockUpdateTS = curTS;
703	}
704	}
705
706	GLboolean renderspu_SystemWindowNeedEmptyPresent(WindowInfo *window)
707	{
708	return GL_FALSE;
709	}
710
711	void renderspu_SystemWindowVisibleRegion(WindowInfo window, GLint cRects, const GLint pRects)
712	{
713	CRASSERT(window);
714	CRASSERT(window->window);
715
716	/* Remember any additional clipping stuff e.g. seamless regions */
717	if (window->hVisibleRegion)
718	{
719	DisposeRgn(window->hVisibleRegion);
720	window->hVisibleRegion = 0;
721	}
722
723	if (cRects>0)
724	{
725	int i;
726	/* Create some temporary regions */
727	RgnHandle rgn = NewRgn();
728	SetEmptyRgn (rgn);
729	RgnHandle tmpRgn = NewRgn();
730	for (i=0; i<cRects; ++i)
731	{
732	SetRectRgn (tmpRgn,
733	pRects[4i] , pRects[4i+1],
734	pRects[4i+2], pRects[4i+3]);
735	//DEBUG_MSG_POETZSCH (("visible rect %d %d %d %d\n", pRects[4i] , pRects[4i+1],
736	// pRects[4i+2], pRects[4i+3]));
737	UnionRgn (rgn, tmpRgn, rgn);
738	}
739	DisposeRgn (tmpRgn);
740	window->hVisibleRegion = rgn;
741	}
742
743	renderspu_SystemWindowApplyVisibleRegion(window);
744	}
745
746	static void renderspu_SystemSetRootVisibleRegion(GLint cRects, GLint *pRects)
747	{
748	/* Remember the visible region of the root window if there is one */
749	if (render_spu.hRootVisibleRegion)
750	{
751	DisposeRgn(render_spu.hRootVisibleRegion);
752	render_spu.hRootVisibleRegion = 0;
753	}
754
755	if (cRects>0)
756	{
757	int i;
758	render_spu.hRootVisibleRegion = NewRgn();
759	SetEmptyRgn (render_spu.hRootVisibleRegion);
760	RgnHandle tmpRgn = NewRgn();
761	for (i=0; i<cRects; ++i)
762	{
763	SetRectRgn (tmpRgn,
764	pRects[4i] , pRects[4i+1],
765	pRects[4i+2], pRects[4i+3]);
766	UnionRgn (render_spu.hRootVisibleRegion, tmpRgn, render_spu.hRootVisibleRegion);
767	}
768	DisposeRgn (tmpRgn);
769	}
770	}
771
772	/Assumes that all regions are in the guest coordinates system/
773	static void renderspu_SystemWindowApplyVisibleRegion(WindowInfo *window)
774	{
775	ContextInfo *c = renderspuGetWindowContext(window);
776	RgnHandle rgn;
777	GLboolean result = true;
778
779	DEBUG_MSG_POETZSCH (("ApplyVisibleRegion %x\n", window));
780
781	if (!c \|\| !c->context) return;
782
783	rgn = NewRgn();
784	SetEmptyRgn(rgn);
785
786	if (render_spu.hRootVisibleRegion)
787	{
788	/* The render_spu.hRootVisibleRegion has coordinates from the root
789	* window. We intersect it with the rect of the OpenGL window we
790	* currently process. */
791	SetRectRgn(rgn,
792	window->x, window->y,
793	window->x + window->BltInfo.width,
794	window->y + window->BltInfo.height);
795	SectRgn(render_spu.hRootVisibleRegion, rgn, rgn);
796	/* Because the clipping is done in the coordinate space of the OpenGL
797	* window we have to remove the x/y position from the newly created
798	* region. */
799	OffsetRgn (rgn, -window->x, -window->y);
800	}
801	else
802	{
803	/* If there is not root clipping region is available, create a base
804	* region with the size of the target window. This covers all
805	* needed/possible space. */
806	SetRectRgn(rgn, 0, 0, window->BltInfo.width, window->BltInfo.height);
807	}
808
809	/* Now intersect the window clipping region with a additional region e.g.
810	* for the seamless mode. */
811	if (window->hVisibleRegion)
812	SectRgn(rgn, window->hVisibleRegion, rgn);
813
814	if (rgn && !EmptyRgn(rgn))
815	{
816	/* Set the clip region to the context */
817	result = render_spu.ws.aglSetInteger(c->context, AGL_CLIP_REGION, (const GLint*)rgn);
818	CHECK_AGL_RC (result, "Render SPU (renderspu_SystemWindowVisibleRegion): SetInteger Failed");
819	result = render_spu.ws.aglEnable(c->context, AGL_CLIP_REGION);
820	CHECK_AGL_RC (result, "Render SPU (renderspu_SystemWindowVisibleRegion): Enable Failed");
821	}
822	/* Clear the region structure */
823	DisposeRgn (rgn);
824	}
825
826	GLboolean
827	renderspu_SystemVBoxCreateWindow(VisualInfo *visual, GLboolean showIt,
828	WindowInfo *window)
829	{
830	CRASSERT(visual);
831	CRASSERT(window);
832
833	WindowAttributes winAttr = kWindowNoShadowAttribute \| kWindowCompositingAttribute \| kWindowIgnoreClicksAttribute \| kWindowStandardHandlerAttribute \| kWindowLiveResizeAttribute;
834	WindowClass winClass = kOverlayWindowClass;
835	Rect windowRect;
836	OSStatus status = noErr;
837
838	window->visual = visual;
839	window->nativeWindow = NULL;
840
841	if(window->window && IsValidWindowPtr(window->window))
842	{
843	EventRef evt;
844	status = CreateEvent(NULL, kEventClassVBox, kEventVBoxDisposeWindow, 0, kEventAttributeNone, &evt);
845	CHECK_CARBON_RC_RETURN (status, "Render SPU (renderspu_SystemVBoxCreateWindow): CreateEvent Failed", false);
846	status = SetEventParameter(evt, kEventParamWindowRef, typeWindowRef, sizeof (window->window), &window->window);
847	CHECK_CARBON_RC_RETURN (status, "Render SPU (renderspu_SystemVBoxCreateWindow): SetEventParameter Failed", false);
848	status = PostEventToQueue(GetMainEventQueue(), evt, kEventPriorityStandard);
849	CHECK_CARBON_RC_RETURN (status, "Render SPU (renderspu_SystemVBoxCreateWindow): PostEventToQueue Failed", false);
850	}
851
852	windowRect.left = window->x;
853	windowRect.top = window->y;
854	windowRect.right = window->x + window->BltInfo.width;
855	windowRect.bottom = window->y + window->BltInfo.height;
856
857	status = CreateNewWindow(winClass, winAttr, &windowRect, &window->window);
858	CHECK_CARBON_RC_RETURN (status, "Render SPU (renderspu_SystemVBoxCreateWindow): CreateNewWindow Failed", GL_FALSE);
859
860	/* We set a title for debugging purposes */
861	CFStringRef title_string;
862	title_string = CFStringCreateWithCStringNoCopy(NULL, window->title,
863	kCFStringEncodingMacRoman, NULL);
864	SetWindowTitleWithCFString(window->BltInfo.window, title_string);
865	CFRelease(title_string);
866
867	/* The parent has to be in its own group */
868	WindowRef parent = NULL;
869	if (render_spu_parent_window_id)
870	{
871	parent = HIViewGetWindow ((HIViewRef)render_spu_parent_window_id);
872	SetWindowGroup (parent, render_spu.pParentGroup);
873
874	}
875
876	/* Add the new window to the master group */
877	SetWindowGroup(window->window, render_spu.pMasterGroup);
878
879	/* This will be initialized on the first attempt to attach the global
880	* context to this new window */
881	window->bufferName = -1;
882	window->dummyContext = NULL;
883	window->hVisibleRegion = 0;
884
885	if(showIt)
886	renderspu_SystemShowWindow(window, GL_TRUE);
887
888	crDebug("Render SPU (renderspu_SystemVBoxCreateWindow): actual window (x, y, width, height): %d, %d, %d, %d",
889	window->x, window->y, window->BltInfo.width, window->BltInfo.height);
890
891	return GL_TRUE;
892	}
893
894	int renderspu_SystemInit()
895	{
896	return VINF_SUCCESS;
897	}
898
899	int renderspu_SystemTerm()
900	{
901	return VINF_SUCCESS;
902	}
903
904	void renderspu_SystemDefaultSharedContextChanged(ContextInfo fromContext, ContextInfo toContext)
905	{
906
907	}

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source: vbox/trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_agl.c@ 51442

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