swapchain.c@ 46521

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1	/*
2	* Copyright 2002-2003 Jason Edmeades
3	* Copyright 2002-2003 Raphael Junqueira
4	* Copyright 2005 Oliver Stieber
5	* Copyright 2007-2008 Stefan Dösinger for CodeWeavers
6	* Copyright 2011 Henri Verbeet for CodeWeavers
7	*
8	* This library is free software; you can redistribute it and/or
9	* modify it under the terms of the GNU Lesser General Public
10	* License as published by the Free Software Foundation; either
11	* version 2.1 of the License, or (at your option) any later version.
12	*
13	* This library is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16	* Lesser General Public License for more details.
17	*
18	* You should have received a copy of the GNU Lesser General Public
19	* License along with this library; if not, write to the Free Software
20	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21	*/
22
23	#include "config.h"
24	#include "wine/port.h"
25	#include "wined3d_private.h"
26
27	WINE_DEFAULT_DEBUG_CHANNEL(d3d);
28	WINE_DECLARE_DEBUG_CHANNEL(fps);
29
30	#ifdef VBOX_WINE_WITH_SINGLE_CONTEXT
31	static VOID swapchain_cleanup_rt_refs(struct wined3d_swapchain swapchain, struct wined3d_surface rt, int iBb)
32	{
33	struct wined3d_device * device = swapchain->device;
34	struct wined3d_context *context;
35	UINT i;
36	for (i = 0; i < device->context_count; ++i)
37	{
38	context = device->contexts[i];
39
40	if (rt == context->current_rt)
41	{
42	context->current_rt = NULL;
43	}
44	}
45
46	if (device->swapchain_count)
47	{
48	struct wined3d_swapchain default_swapchain = (struct wined3d_swapchain)device->swapchains[0];
49	for (i = 0; i < device->adapter->gl_info.limits.buffers; ++i)
50	{
51	if (device->fb.render_targets[i] == rt)
52	{
53	struct wined3d_surface *new_rt;
54	if (i)
55	new_rt = NULL;
56	else if (iBb == -1) /* front buffer */
57	new_rt = default_swapchain->front_buffer;
58	else
59	new_rt = default_swapchain->back_buffers ? default_swapchain->back_buffers[0] : default_swapchain->front_buffer;
60
61	wined3d_device_set_render_target(device, i, new_rt, TRUE);
62	}
63	}
64	}
65	}
66
67	static VOID swapchain_cleanup_refs(struct wined3d_swapchain *swapchain)
68	{
69	/* first make sure the swapchain is not used by anyone */
70	struct wined3d_device * device = swapchain->device;
71	struct wined3d_context *context;
72	UINT i;
73
74	/* Release the swapchain's draw buffers. Make sure swapchain->back_buffers[0]
75	* is the last buffer to be destroyed, FindContext() depends on that. */
76	if (swapchain->front_buffer)
77	{
78	surface_set_swapchain(swapchain->front_buffer, NULL);
79	if (wined3d_surface_decref(swapchain->front_buffer))
80	WARN("Something's still holding the front buffer (%p).\n", swapchain->front_buffer);
81	swapchain->front_buffer = NULL;
82	}
83
84	if (swapchain->back_buffers)
85	{
86	i = swapchain->desc.backbuffer_count;
87
88	while (i--)
89	{
90	surface_set_swapchain(swapchain->back_buffers[i], NULL);
91	if (wined3d_surface_decref(swapchain->back_buffers[i]))
92	WARN("Something's still holding back buffer %u (%p).\n", i, swapchain->back_buffers[i]);
93	}
94	HeapFree(GetProcessHeap(), 0, swapchain->back_buffers);
95	swapchain->back_buffers = NULL;
96	}
97
98	for (i = 0; i < device->context_count; ++i)
99	{
100	context = device->contexts[i];
101	/* pretty hacky, @todo: check if the context is acquired and re-acquire it with a new swapchain */
102	if (context->swapchain == swapchain)
103	{
104	context->swapchain = NULL;
105	}
106	}
107	//
108	// if (swapchain->front_buffer)
109	// swapchain_cleanup_rt_refs(swapchain, swapchain->front_buffer, -1);
110	//
111	// if (swapchain->back_buffers)
112	// {
113	// for (i = 0; i < swapchain->desc.backbuffer_count; ++i)
114	// {
115	// swapchain_cleanup_rt_refs(swapchain, swapchain->back_buffers[i], i);
116	// }
117	// }
118	}
119	#endif
120
121	#ifdef VBOX_WITH_WDDM
122
123	struct wined3d_swapchain * swapchain_find(struct wined3d_device * device, HWND hWnd)
124	{
125	UINT i;
126	for (i = 0; i < device->swapchain_count; ++i)
127	{
128	struct wined3d_swapchain *swapchain = device->swapchains[i];
129	if (swapchain->win_handle == hWnd)
130	{
131	return swapchain;
132	}
133	}
134
135	return NULL;
136	}
137
138	static VOID swapchain_invalidate(struct wined3d_swapchain *swapchain)
139	{
140	swapchain_cleanup_refs(swapchain);
141
142	swapchain->win_handle = NULL;
143	swapchain->hDC = NULL;
144	}
145	#endif
146
147	/* Do not call while under the GL lock. */
148	static void swapchain_cleanup(struct wined3d_swapchain *swapchain)
149	{
150	#ifndef VBOX_WITH_WDDM
151	struct wined3d_display_mode mode;
152	HRESULT hr;
153	#endif
154	UINT i;
155
156	TRACE("Destroying swapchain %p.\n", swapchain);
157
158	#ifndef VBOX_WITH_WDDM
159	wined3d_swapchain_set_gamma_ramp(swapchain, 0, &swapchain->orig_gamma);
160	#endif
161
162	/* Release the swapchain's draw buffers. Make sure swapchain->back_buffers[0]
163	* is the last buffer to be destroyed, FindContext() depends on that. */
164	if (swapchain->front_buffer)
165	{
166	surface_set_swapchain(swapchain->front_buffer, NULL);
167	if (wined3d_surface_decref(swapchain->front_buffer))
168	WARN("Something's still holding the front buffer (%p).\n", swapchain->front_buffer);
169	swapchain->front_buffer = NULL;
170	}
171
172	if (swapchain->back_buffers)
173	{
174	i = swapchain->desc.backbuffer_count;
175
176	while (i--)
177	{
178	surface_set_swapchain(swapchain->back_buffers[i], NULL);
179	if (wined3d_surface_decref(swapchain->back_buffers[i]))
180	WARN("Something's still holding back buffer %u (%p).\n", i, swapchain->back_buffers[i]);
181	}
182	HeapFree(GetProcessHeap(), 0, swapchain->back_buffers);
183	swapchain->back_buffers = NULL;
184	}
185
186	#ifdef VBOX_WINE_WITH_SINGLE_CONTEXT
187	swapchain_cleanup_refs(swapchain);
188	#endif
189
190	#ifndef VBOX_WINE_WITH_SINGLE_CONTEXT
191	for (i = 0; i < swapchain->num_contexts; ++i)
192	{
193	context_destroy(swapchain->device, swapchain->context[i]);
194	}
195	HeapFree(GetProcessHeap(), 0, swapchain->context);
196	#endif
197	#ifndef VBOX_WITH_WDDM
198	/* Restore the screen resolution if we rendered in fullscreen.
199	* This will restore the screen resolution to what it was before creating
200	* the swapchain. In case of d3d8 and d3d9 this will be the original
201	* desktop resolution. In case of d3d7 this will be a NOP because ddraw
202	* sets the resolution before starting up Direct3D, thus orig_width and
203	* orig_height will be equal to the modes in the presentation params. */
204	if (!swapchain->desc.windowed && swapchain->desc.auto_restore_display_mode)
205	{
206	mode.width = swapchain->orig_width;
207	mode.height = swapchain->orig_height;
208	mode.refresh_rate = 0;
209	mode.format_id = swapchain->orig_fmt;
210	mode.scanline_ordering = WINED3D_SCANLINE_ORDERING_UNKNOWN;
211	if (FAILED(hr = wined3d_set_adapter_display_mode(swapchain->device->wined3d,
212	swapchain->device->adapter->ordinal, &mode)))
213	ERR("Failed to restore display mode, hr %#x.\n", hr);
214	}
215
216	if (swapchain->backup_dc)
217	{
218	TRACE("Destroying backup wined3d window %p, dc %p.\n", swapchain->backup_wnd, swapchain->backup_dc);
219
220	ReleaseDC(swapchain->backup_wnd, swapchain->backup_dc);
221	DestroyWindow(swapchain->backup_wnd);
222	}
223	#endif
224	#ifdef VBOX_WINE_WITH_SINGLE_CONTEXT
225	# ifdef VBOX_WITH_WDDM
226	if(swapchain->win_handle) {
227	VBoxExtWndDestroy(swapchain->win_handle, swapchain->hDC);
228	swapchain_invalidate(swapchain);
229	}
230	# endif
231	#endif
232	}
233
234	ULONG CDECL wined3d_swapchain_incref(struct wined3d_swapchain *swapchain)
235	{
236	ULONG refcount = InterlockedIncrement(&swapchain->ref);
237
238	TRACE("%p increasing refcount to %u.\n", swapchain, refcount);
239
240	return refcount;
241	}
242
243	/* Do not call while under the GL lock. */
244	ULONG CDECL wined3d_swapchain_decref(struct wined3d_swapchain *swapchain)
245	{
246	ULONG refcount = InterlockedDecrement(&swapchain->ref);
247
248	TRACE("%p decreasing refcount to %u.\n", swapchain, refcount);
249
250	if (!refcount)
251	{
252	swapchain_cleanup(swapchain);
253	swapchain->parent_ops->wined3d_object_destroyed(swapchain->parent);
254	HeapFree(GetProcessHeap(), 0, swapchain);
255	}
256
257	return refcount;
258	}
259
260	void * CDECL wined3d_swapchain_get_parent(const struct wined3d_swapchain *swapchain)
261	{
262	TRACE("swapchain %p.\n", swapchain);
263
264	return swapchain->parent;
265	}
266
267	void CDECL wined3d_swapchain_set_window(struct wined3d_swapchain *swapchain, HWND window)
268	{
269	#ifdef VBOX_WITH_WDDM
270	if (window)
271	ERR("not expected!");
272	#else
273	if (!window)
274	window = swapchain->device_window;
275	if (window == swapchain->win_handle)
276	return;
277
278	TRACE("Setting swapchain %p window from %p to %p.\n",
279	swapchain, swapchain->win_handle, window);
280	swapchain->win_handle = window;
281	#endif
282	}
283
284	HRESULT CDECL wined3d_swapchain_present(struct wined3d_swapchain *swapchain,
285	const RECT src_rect, const RECT dst_rect, HWND dst_window_override,
286	const RGNDATA *dirty_region, DWORD flags)
287	{
288	TRACE("swapchain %p, src_rect %s, dst_rect %s, dst_window_override %p, dirty_region %p, flags %#x.\n",
289	swapchain, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect),
290	dst_window_override, dirty_region, flags);
291
292	if (flags)
293	FIXME("Ignoring flags %#x.\n", flags);
294
295	if (!swapchain->back_buffers)
296	{
297	WARN("Swapchain doesn't have a backbuffer, returning WINED3DERR_INVALIDCALL\n");
298	return WINED3DERR_INVALIDCALL;
299	}
300
301	wined3d_swapchain_set_window(swapchain, dst_window_override);
302
303	swapchain->swapchain_ops->swapchain_present(swapchain, src_rect, dst_rect, dirty_region, flags);
304
305	return WINED3D_OK;
306	}
307
308	HRESULT CDECL wined3d_swapchain_get_front_buffer_data(const struct wined3d_swapchain *swapchain,
309	struct wined3d_surface *dst_surface)
310	{
311	struct wined3d_surface *src_surface;
312	RECT src_rect, dst_rect;
313
314	TRACE("swapchain %p, dst_surface %p.\n", swapchain, dst_surface);
315
316	src_surface = swapchain->front_buffer;
317	SetRect(&src_rect, 0, 0, src_surface->resource.width, src_surface->resource.height);
318	dst_rect = src_rect;
319
320	#ifndef VBOX_WITH_WINE_FIXES
321	if (swapchain->desc.windowed)
322	{
323	MapWindowPoints(swapchain->win_handle, NULL, (POINT *)&dst_rect, 2);
324	FIXME("Using destination rect %s in windowed mode, this is likely wrong.\n",
325	wine_dbgstr_rect(&dst_rect));
326	}
327	#endif
328
329	return wined3d_surface_blt(dst_surface, &dst_rect, src_surface, &src_rect, 0, NULL, WINED3D_TEXF_POINT);
330	}
331
332	struct wined3d_surface * CDECL wined3d_swapchain_get_back_buffer(const struct wined3d_swapchain *swapchain,
333	UINT back_buffer_idx, enum wined3d_backbuffer_type type)
334	{
335	TRACE("swapchain %p, back_buffer_idx %u, type %#x.\n",
336	swapchain, back_buffer_idx, type);
337
338	#ifdef VBOX_WITH_WDDM
339	if (back_buffer_idx == ~0UL)
340	{
341	return swapchain->front_buffer;
342	}
343	#endif
344
345	/* Return invalid if there is no backbuffer array, otherwise it will
346	* crash when ddraw is used (there swapchain->back_buffers is always
347	* NULL). We need this because this function is called from
348	* stateblock_init_default_state() to get the default scissorrect
349	* dimensions. */
350	if (!swapchain->back_buffers \|\| back_buffer_idx >= swapchain->desc.backbuffer_count)
351	{
352	WARN("Invalid back buffer index.\n");
353	/* Native d3d9 doesn't set NULL here, just as wine's d3d9. But set it
354	* here in wined3d to avoid problems in other libs. */
355	return NULL;
356	}
357
358	TRACE("Returning back buffer %p.\n", swapchain->back_buffers[back_buffer_idx]);
359
360	return swapchain->back_buffers[back_buffer_idx];
361	}
362
363	HRESULT CDECL wined3d_swapchain_get_raster_status(const struct wined3d_swapchain *swapchain,
364	struct wined3d_raster_status *raster_status)
365	{
366	TRACE("swapchain %p, raster_status %p.\n", swapchain, raster_status);
367
368	return wined3d_get_adapter_raster_status(swapchain->device->wined3d,
369	swapchain->device->adapter->ordinal, raster_status);
370	}
371
372	HRESULT CDECL wined3d_swapchain_get_display_mode(const struct wined3d_swapchain *swapchain,
373	struct wined3d_display_mode mode, enum wined3d_display_rotation rotation)
374	{
375	HRESULT hr;
376
377	TRACE("swapchain %p, mode %p, rotation %p.\n", swapchain, mode, rotation);
378
379	hr = wined3d_get_adapter_display_mode(swapchain->device->wined3d,
380	swapchain->device->adapter->ordinal, mode, rotation);
381
382	TRACE("Returning w %u, h %u, refresh rate %u, format %s.\n",
383	mode->width, mode->height, mode->refresh_rate, debug_d3dformat(mode->format_id));
384
385	return hr;
386	}
387
388	struct wined3d_device * CDECL wined3d_swapchain_get_device(const struct wined3d_swapchain *swapchain)
389	{
390	TRACE("swapchain %p.\n", swapchain);
391
392	return swapchain->device;
393	}
394
395	void CDECL wined3d_swapchain_get_desc(const struct wined3d_swapchain *swapchain,
396	struct wined3d_swapchain_desc *desc)
397	{
398	TRACE("swapchain %p, desc %p.\n", swapchain, desc);
399
400	*desc = swapchain->desc;
401	}
402
403	HRESULT CDECL wined3d_swapchain_set_gamma_ramp(const struct wined3d_swapchain *swapchain,
404	DWORD flags, const struct wined3d_gamma_ramp *ramp)
405	{
406	HDC dc;
407
408	TRACE("swapchain %p, flags %#x, ramp %p.\n", swapchain, flags, ramp);
409
410	if (flags)
411	FIXME("Ignoring flags %#x.\n", flags);
412
413	#ifdef VBOX_WITH_WDDM
414	dc = GetDC(swapchain->win_handle);
415	#else
416	dc = GetDC(swapchain->device_window);
417	#endif
418	SetDeviceGammaRamp(dc, (void *)ramp);
419	#ifdef VBOX_WITH_WDDM
420	ReleaseDC(swapchain->win_handle, dc);
421	#else
422	ReleaseDC(swapchain->device_window, dc);
423	#endif
424
425	return WINED3D_OK;
426	}
427
428	HRESULT CDECL wined3d_swapchain_get_gamma_ramp(const struct wined3d_swapchain *swapchain,
429	struct wined3d_gamma_ramp *ramp)
430	{
431	HDC dc;
432
433	TRACE("swapchain %p, ramp %p.\n", swapchain, ramp);
434
435	#ifdef VBOX_WITH_WDDM
436	dc = GetDC(swapchain->win_handle);
437	#else
438	dc = GetDC(swapchain->device_window);
439	#endif
440	GetDeviceGammaRamp(dc, ramp);
441	#ifdef VBOX_WITH_WDDM
442	ReleaseDC(swapchain->win_handle, dc);
443	#else
444	ReleaseDC(swapchain->device_window, dc);
445	#endif
446
447	return WINED3D_OK;
448	}
449
450	/* A GL context is provided by the caller */
451	static void swapchain_blit(const struct wined3d_swapchain *swapchain,
452	struct wined3d_context context, const RECT src_rect, const RECT *dst_rect)
453	{
454	struct wined3d_surface *backbuffer = swapchain->back_buffers[0];
455	UINT src_w = src_rect->right - src_rect->left;
456	UINT src_h = src_rect->bottom - src_rect->top;
457	GLenum gl_filter;
458	const struct wined3d_gl_info *gl_info = context->gl_info;
459	RECT win_rect;
460	UINT win_h;
461
462	TRACE("swapchain %p, context %p, src_rect %s, dst_rect %s.\n",
463	swapchain, context, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect));
464
465	if (src_w == dst_rect->right - dst_rect->left && src_h == dst_rect->bottom - dst_rect->top)
466	gl_filter = GL_NEAREST;
467	else
468	gl_filter = GL_LINEAR;
469
470	GetClientRect(swapchain->win_handle, &win_rect);
471	win_h = win_rect.bottom - win_rect.top;
472
473	if (gl_info->fbo_ops.glBlitFramebuffer && is_identity_fixup(backbuffer->resource.format->color_fixup))
474	{
475	DWORD location = SFLAG_INTEXTURE;
476
477	if (backbuffer->resource.multisample_type)
478	{
479	location = SFLAG_INRB_RESOLVED;
480	surface_load_location(backbuffer, location, NULL);
481	}
482
483	context_apply_fbo_state_blit(context, GL_READ_FRAMEBUFFER, backbuffer, NULL, location);
484	gl_info->gl_ops.gl.p_glReadBuffer(GL_COLOR_ATTACHMENT0);
485	context_check_fbo_status(context, GL_READ_FRAMEBUFFER);
486
487	context_apply_fbo_state_blit(context, GL_DRAW_FRAMEBUFFER, swapchain->front_buffer, NULL, SFLAG_INDRAWABLE);
488	context_set_draw_buffer(context, GL_BACK);
489	context_invalidate_state(context, STATE_FRAMEBUFFER);
490
491	gl_info->gl_ops.gl.p_glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
492	context_invalidate_state(context, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE));
493	context_invalidate_state(context, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE1));
494	context_invalidate_state(context, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE2));
495	context_invalidate_state(context, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE3));
496
497	gl_info->gl_ops.gl.p_glDisable(GL_SCISSOR_TEST);
498	context_invalidate_state(context, STATE_RENDER(WINED3D_RS_SCISSORTESTENABLE));
499
500	/* Note that the texture is upside down */
501	gl_info->fbo_ops.glBlitFramebuffer(src_rect->left, src_rect->top, src_rect->right, src_rect->bottom,
502	dst_rect->left, win_h - dst_rect->top, dst_rect->right, win_h - dst_rect->bottom,
503	GL_COLOR_BUFFER_BIT, gl_filter);
504	checkGLcall("Swapchain present blit(EXT_framebuffer_blit)\n");
505	}
506	else
507	{
508	struct wined3d_device *device = swapchain->device;
509	struct wined3d_context *context2;
510	float tex_left = src_rect->left;
511	float tex_top = src_rect->top;
512	float tex_right = src_rect->right;
513	float tex_bottom = src_rect->bottom;
514
515	context2 = context_acquire(device, swapchain->back_buffers[0]);
516	context_apply_blit_state(context2, device);
517
518	if (backbuffer->flags & SFLAG_NORMCOORD)
519	{
520	tex_left /= src_w;
521	tex_right /= src_w;
522	tex_top /= src_h;
523	tex_bottom /= src_h;
524	}
525
526	if (is_complex_fixup(backbuffer->resource.format->color_fixup))
527	gl_filter = GL_NEAREST;
528
529	context_apply_fbo_state_blit(context2, GL_FRAMEBUFFER, swapchain->front_buffer, NULL, SFLAG_INDRAWABLE);
530	context_bind_texture(context2, backbuffer->texture_target, backbuffer->texture_name);
531
532	/* Set up the texture. The surface is not in a wined3d_texture
533	* container, so there are no D3D texture settings to dirtify. */
534	device->blitter->set_shader(device->blit_priv, context2, backbuffer);
535	gl_info->gl_ops.gl.p_glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MIN_FILTER, gl_filter);
536	gl_info->gl_ops.gl.p_glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MAG_FILTER, gl_filter);
537
538	context_set_draw_buffer(context, GL_BACK);
539
540	/* Set the viewport to the destination rectandle, disable any projection
541	* transformation set up by context_apply_blit_state(), and draw a
542	* (-1,-1)-(1,1) quad.
543	*
544	* Back up viewport and matrix to avoid breaking last_was_blit
545	*
546	* Note that context_apply_blit_state() set up viewport and ortho to
547	* match the surface size - we want the GL drawable(=window) size. */
548	gl_info->gl_ops.gl.p_glPushAttrib(GL_VIEWPORT_BIT);
549	gl_info->gl_ops.gl.p_glViewport(dst_rect->left, win_h - dst_rect->bottom,
550	dst_rect->right, win_h - dst_rect->top);
551	gl_info->gl_ops.gl.p_glMatrixMode(GL_PROJECTION);
552	gl_info->gl_ops.gl.p_glPushMatrix();
553	gl_info->gl_ops.gl.p_glLoadIdentity();
554
555	gl_info->gl_ops.gl.p_glBegin(GL_QUADS);
556	/* bottom left */
557	gl_info->gl_ops.gl.p_glTexCoord2f(tex_left, tex_bottom);
558	gl_info->gl_ops.gl.p_glVertex2i(-1, -1);
559
560	/* top left */
561	gl_info->gl_ops.gl.p_glTexCoord2f(tex_left, tex_top);
562	gl_info->gl_ops.gl.p_glVertex2i(-1, 1);
563
564	/* top right */
565	gl_info->gl_ops.gl.p_glTexCoord2f(tex_right, tex_top);
566	gl_info->gl_ops.gl.p_glVertex2i(1, 1);
567
568	/* bottom right */
569	gl_info->gl_ops.gl.p_glTexCoord2f(tex_right, tex_bottom);
570	gl_info->gl_ops.gl.p_glVertex2i(1, -1);
571	gl_info->gl_ops.gl.p_glEnd();
572
573	gl_info->gl_ops.gl.p_glPopMatrix();
574	gl_info->gl_ops.gl.p_glPopAttrib();
575
576	device->blitter->unset_shader(context->gl_info);
577	checkGLcall("Swapchain present blit(manual)\n");
578
579	context_release(context2);
580	}
581	}
582
583	static void swapchain_gl_present(struct wined3d_swapchain swapchain, const RECT src_rect_in,
584	const RECT dst_rect_in, const RGNDATA dirty_region, DWORD flags)
585	{
586	struct wined3d_surface *back_buffer = swapchain->back_buffers[0];
587	const struct wined3d_fb_state *fb = &swapchain->device->fb;
588	const struct wined3d_gl_info *gl_info;
589	struct wined3d_context *context;
590	RECT src_rect, dst_rect;
591	BOOL render_to_fbo;
592
593	context = context_acquire(swapchain->device, back_buffer);
594	if (!context->valid)
595	{
596	context_release(context);
597	WARN("Invalid context, skipping present.\n");
598	return;
599	}
600
601	gl_info = context->gl_info;
602
603	/* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
604	if (swapchain->device->bCursorVisible &&
605	swapchain->device->cursorTexture &&
606	!swapchain->device->hardwareCursor)
607	{
608	struct wined3d_surface cursor;
609	RECT destRect =
610	{
611	swapchain->device->xScreenSpace - swapchain->device->xHotSpot,
612	swapchain->device->yScreenSpace - swapchain->device->yHotSpot,
613	swapchain->device->xScreenSpace + swapchain->device->cursorWidth - swapchain->device->xHotSpot,
614	swapchain->device->yScreenSpace + swapchain->device->cursorHeight - swapchain->device->yHotSpot,
615	};
616	TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor);
617	/* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
618	* the application because we are only supposed to copy the information out. Using a fake surface
619	* allows us to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
620	*/
621	memset(&cursor, 0, sizeof(cursor));
622	cursor.resource.ref = 1;
623	cursor.resource.device = swapchain->device;
624	cursor.resource.pool = WINED3D_POOL_SCRATCH;
625	cursor.resource.format = wined3d_get_format(gl_info, WINED3DFMT_B8G8R8A8_UNORM);
626	cursor.resource.type = WINED3D_RTYPE_SURFACE;
627	cursor.texture_name = swapchain->device->cursorTexture;
628	cursor.texture_target = GL_TEXTURE_2D;
629	cursor.texture_level = 0;
630	cursor.resource.width = swapchain->device->cursorWidth;
631	cursor.resource.height = swapchain->device->cursorHeight;
632	/* The cursor must have pow2 sizes */
633	cursor.pow2Width = cursor.resource.width;
634	cursor.pow2Height = cursor.resource.height;
635	/* The surface is in the texture */
636	cursor.flags \|= SFLAG_INTEXTURE;
637	/* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
638	* which is exactly what we want :-)
639	*/
640	#ifndef VBOX_WITH_WINE_FIXES
641	if (swapchain->desc.windowed)
642	MapWindowPoints(NULL, swapchain->win_handle, (POINT *)&destRect, 2);
643	#endif
644	wined3d_surface_blt(back_buffer, &destRect, &cursor, NULL, WINEDDBLT_KEYSRC,
645	NULL, WINED3D_TEXF_POINT);
646	}
647
648	if (swapchain->device->logo_surface)
649	{
650	struct wined3d_surface *src_surface = swapchain->device->logo_surface;
651	RECT rect = {0, 0, src_surface->resource.width, src_surface->resource.height};
652
653	/* Blit the logo into the upper left corner of the drawable. */
654	wined3d_surface_blt(back_buffer, &rect, src_surface, &rect, WINEDDBLT_KEYSRC,
655	NULL, WINED3D_TEXF_POINT);
656	}
657
658	#ifndef VBOX_WINE_WITH_SINGLE_CONTEXT
659	TRACE("Presenting HDC %p.\n", context->hdc);
660	#else
661	TRACE("Presenting HDC %p.\n", context->swapchain->hDC);
662	#endif
663
664	render_to_fbo = swapchain->render_to_fbo;
665
666	if (src_rect_in)
667	{
668	src_rect = *src_rect_in;
669	if (!render_to_fbo && (src_rect.left \|\| src_rect.top
670	\|\| src_rect.right != swapchain->desc.backbuffer_width
671	\|\| src_rect.bottom != swapchain->desc.backbuffer_height))
672	{
673	render_to_fbo = TRUE;
674	}
675	}
676	else
677	{
678	src_rect.left = 0;
679	src_rect.top = 0;
680	src_rect.right = swapchain->desc.backbuffer_width;
681	src_rect.bottom = swapchain->desc.backbuffer_height;
682	}
683
684	if (dst_rect_in)
685	dst_rect = *dst_rect_in;
686	else
687	GetClientRect(swapchain->win_handle, &dst_rect);
688
689	if (!render_to_fbo && (dst_rect.left \|\| dst_rect.top
690	\|\| dst_rect.right != swapchain->desc.backbuffer_width
691	\|\| dst_rect.bottom != swapchain->desc.backbuffer_height))
692	render_to_fbo = TRUE;
693
694	/* Rendering to a window of different size, presenting partial rectangles,
695	* or rendering to a different window needs help from FBO_blit or a textured
696	* draw. Render the swapchain to a FBO in the future.
697	*
698	* Note that FBO_blit from the backbuffer to the frontbuffer cannot solve
699	* all these issues - this fails if the window is smaller than the backbuffer.
700	*/
701	if (!swapchain->render_to_fbo && render_to_fbo && wined3d_settings.offscreen_rendering_mode == ORM_FBO)
702	{
703	surface_load_location(back_buffer, SFLAG_INTEXTURE, NULL);
704	surface_modify_location(back_buffer, SFLAG_INDRAWABLE, FALSE);
705	swapchain->render_to_fbo = TRUE;
706	swapchain_update_draw_bindings(swapchain);
707	}
708	else
709	{
710	surface_load_location(back_buffer, back_buffer->draw_binding, NULL);
711	}
712
713	if (swapchain->render_to_fbo)
714	{
715	/* This codepath should only be hit with the COPY swapeffect. Otherwise a backbuffer-
716	* window size mismatch is impossible(fullscreen) and src and dst rectangles are
717	* not allowed(they need the COPY swapeffect)
718	*
719	* The DISCARD swap effect is ok as well since any backbuffer content is allowed after
720	* the swap. */
721	if (swapchain->desc.swap_effect == WINED3D_SWAP_EFFECT_FLIP)
722	FIXME("Render-to-fbo with WINED3D_SWAP_EFFECT_FLIP\n");
723
724	swapchain_blit(swapchain, context, &src_rect, &dst_rect);
725	}
726
727	#ifndef VBOX_WINE_WITH_SINGLE_CONTEXT
728	if (swapchain->num_contexts > 1)
729	gl_info->gl_ops.gl.p_glFinish();
730	#endif
731
732	#ifdef VBOX_WINE_WITH_SINGLE_CONTEXT
733	# ifdef DEBUG
734	{
735	HWND wnd = WindowFromDC(context->swapchain->hDC);
736	Assert(wnd == context->swapchain->win_handle);
737	}
738	# endif
739	/* call wglSwapBuffers through the gl table to avoid confusing the Steam overlay */
740	gl_info->gl_ops.wgl.p_wglSwapBuffers(context->swapchain->hDC); /* TODO: cycle through the swapchain buffers */
741	#else
742
743	/* call wglSwapBuffers through the gl table to avoid confusing the Steam overlay */
744	gl_info->gl_ops.wgl.p_wglSwapBuffers(context->hdc); /* TODO: cycle through the swapchain buffers */
745	#endif
746
747	TRACE("SwapBuffers called, Starting new frame\n");
748	/* FPS support */
749	if (TRACE_ON(fps))
750	{
751	DWORD time = GetTickCount();
752	++swapchain->frames;
753
754	/* every 1.5 seconds */
755	if (time - swapchain->prev_time > 1500)
756	{
757	TRACE_(fps)("%p @ approx %.2ffps\n",
758	swapchain, 1000.0 * swapchain->frames / (time - swapchain->prev_time));
759	swapchain->prev_time = time;
760	swapchain->frames = 0;
761	}
762	}
763
764	/* This is disabled, but the code left in for debug purposes.
765	*
766	* Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
767	* we can clear it with some ugly color to make bad drawing visible and ease debugging.
768	* The Debug runtime does the same on Windows. However, a few games do not redraw the
769	* screen properly, like Max Payne 2, which leaves a few pixels undefined.
770	*
771	* Tests show that the content of the back buffer after a discard flip is indeed not
772	* reliable, so no game can depend on the exact content. However, it resembles the
773	* old contents in some way, for example by showing fragments at other locations. In
774	* general, the color theme is still intact. So Max payne, which draws rather dark scenes
775	* gets a dark background image. If we clear it with a bright ugly color, the game's
776	* bug shows up much more than it does on Windows, and the players see single pixels
777	* with wrong colors.
778	* (The Max Payne bug has been confirmed on Windows with the debug runtime) */
779	if (FALSE && swapchain->desc.swap_effect == WINED3D_SWAP_EFFECT_DISCARD)
780	{
781	static const struct wined3d_color cyan = {0.0f, 1.0f, 1.0f, 1.0f};
782
783	TRACE("Clearing the color buffer with cyan color\n");
784
785	wined3d_device_clear(swapchain->device, 0, NULL,
786	WINED3DCLEAR_TARGET, &cyan, 1.0f, 0);
787	}
788
789	if (!swapchain->render_to_fbo && ((swapchain->front_buffer->flags & SFLAG_INSYSMEM)
790	\|\| (back_buffer->flags & SFLAG_INSYSMEM)))
791	{
792	/* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying
793	* Doesn't work with render_to_fbo because we're not flipping
794	*/
795	struct wined3d_surface *front = swapchain->front_buffer;
796
797	if (front->resource.size == back_buffer->resource.size)
798	{
799	DWORD fbflags;
800	flip_surface(front, back_buffer);
801
802	/* Tell the front buffer surface that is has been modified. However,
803	* the other locations were preserved during that, so keep the flags.
804	* This serves to update the emulated overlay, if any. */
805	fbflags = front->flags;
806	surface_modify_location(front, SFLAG_INDRAWABLE, TRUE);
807	front->flags = fbflags;
808	}
809	else
810	{
811	surface_modify_location(front, SFLAG_INDRAWABLE, TRUE);
812	surface_modify_location(back_buffer, SFLAG_INDRAWABLE, TRUE);
813	}
814	}
815	else
816	{
817	surface_modify_location(swapchain->front_buffer, SFLAG_INDRAWABLE, TRUE);
818	/* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
819	* and INTEXTURE copies can keep their old content if they have any defined content.
820	* If the swapeffect is COPY, the content remains the same. If it is FLIP however,
821	* the texture / sysmem copy needs to be reloaded from the drawable
822	*/
823	if (swapchain->desc.swap_effect == WINED3D_SWAP_EFFECT_FLIP)
824	surface_modify_location(back_buffer, back_buffer->draw_binding, TRUE);
825	}
826
827	if (fb->depth_stencil)
828	{
829	if (swapchain->desc.flags & WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
830	\|\| fb->depth_stencil->flags & SFLAG_DISCARD)
831	{
832	surface_modify_ds_location(fb->depth_stencil, SFLAG_DISCARDED,
833	fb->depth_stencil->resource.width,
834	fb->depth_stencil->resource.height);
835	if (fb->depth_stencil == swapchain->device->onscreen_depth_stencil)
836	{
837	wined3d_surface_decref(swapchain->device->onscreen_depth_stencil);
838	swapchain->device->onscreen_depth_stencil = NULL;
839	}
840	}
841	}
842
843	context_release(context);
844	}
845
846	static const struct wined3d_swapchain_ops swapchain_gl_ops =
847	{
848	swapchain_gl_present,
849	};
850
851	/* Helper function that blits the front buffer contents to the target window. */
852	void x11_copy_to_screen(const struct wined3d_swapchain swapchain, const RECT rect)
853	{
854	const struct wined3d_surface *front;
855	POINT offset = {0, 0};
856	HDC src_dc, dst_dc;
857	RECT draw_rect;
858	HWND window;
859
860	TRACE("swapchain %p, rect %s.\n", swapchain, wine_dbgstr_rect(rect));
861
862	front = swapchain->front_buffer;
863	if (!(front->resource.usage & WINED3DUSAGE_RENDERTARGET))
864	return;
865
866	if (front->resource.map_count)
867	ERR("Trying to blit a mapped surface.\n");
868
869	TRACE("Copying surface %p to screen.\n", front);
870
871	src_dc = front->hDC;
872	window = swapchain->win_handle;
873	dst_dc = GetDCEx(window, 0, DCX_CLIPSIBLINGS \| DCX_CACHE);
874
875	/* Front buffer coordinates are screen coordinates. Map them to the
876	* destination window if not fullscreened. */
877	if (swapchain->desc.windowed)
878	{
879	#ifndef VBOX_WITH_WINE_FIXES
880	ClientToScreen(window, &offset);
881	#else
882	ERR("should not be here!");
883	#endif
884	}
885
886	TRACE("offset %s.\n", wine_dbgstr_point(&offset));
887
888	draw_rect.left = 0;
889	draw_rect.right = front->resource.width;
890	draw_rect.top = 0;
891	draw_rect.bottom = front->resource.height;
892
893	if (rect)
894	IntersectRect(&draw_rect, &draw_rect, rect);
895
896	BitBlt(dst_dc, draw_rect.left - offset.x, draw_rect.top - offset.y,
897	draw_rect.right - draw_rect.left, draw_rect.bottom - draw_rect.top,
898	src_dc, draw_rect.left, draw_rect.top, SRCCOPY);
899	ReleaseDC(window, dst_dc);
900	}
901
902	static void swapchain_gdi_present(struct wined3d_swapchain swapchain, const RECT src_rect_in,
903	const RECT dst_rect_in, const RGNDATA dirty_region, DWORD flags)
904	{
905	struct wined3d_surface front, back;
906
907	front = swapchain->front_buffer;
908	back = swapchain->back_buffers[0];
909
910	/* Flip the DC. */
911	{
912	HDC tmp;
913	tmp = front->hDC;
914	front->hDC = back->hDC;
915	back->hDC = tmp;
916	}
917
918	/* Flip the DIBsection. */
919	{
920	HBITMAP tmp;
921	tmp = front->dib.DIBsection;
922	front->dib.DIBsection = back->dib.DIBsection;
923	back->dib.DIBsection = tmp;
924	}
925
926	/* Flip the surface data. */
927	{
928	void *tmp;
929
930	tmp = front->dib.bitmap_data;
931	front->dib.bitmap_data = back->dib.bitmap_data;
932	back->dib.bitmap_data = tmp;
933
934	tmp = front->resource.allocatedMemory;
935	front->resource.allocatedMemory = back->resource.allocatedMemory;
936	back->resource.allocatedMemory = tmp;
937
938	if (front->resource.heapMemory)
939	ERR("GDI Surface %p has heap memory allocated.\n", front);
940
941	if (back->resource.heapMemory)
942	ERR("GDI Surface %p has heap memory allocated.\n", back);
943	}
944
945	/* FPS support */
946	if (TRACE_ON(fps))
947	{
948	static LONG prev_time, frames;
949	DWORD time = GetTickCount();
950
951	++frames;
952
953	/* every 1.5 seconds */
954	if (time - prev_time > 1500)
955	{
956	TRACE_(fps)("@ approx %.2ffps\n", 1000.0 * frames / (time - prev_time));
957	prev_time = time;
958	frames = 0;
959	}
960	}
961
962	x11_copy_to_screen(swapchain, NULL);
963	}
964
965	static const struct wined3d_swapchain_ops swapchain_gdi_ops =
966	{
967	swapchain_gdi_present,
968	};
969
970	void swapchain_update_render_to_fbo(struct wined3d_swapchain *swapchain)
971	{
972	RECT client_rect;
973
974	if (wined3d_settings.offscreen_rendering_mode != ORM_FBO)
975	return;
976
977	if (!swapchain->desc.backbuffer_count)
978	{
979	TRACE("Single buffered rendering.\n");
980	swapchain->render_to_fbo = FALSE;
981	return;
982	}
983
984	GetClientRect(swapchain->win_handle, &client_rect);
985
986	TRACE("Backbuffer %ux%u, window %ux%u.\n",
987	swapchain->desc.backbuffer_width,
988	swapchain->desc.backbuffer_height,
989	client_rect.right, client_rect.bottom);
990	TRACE("Multisample type %#x, quality %#x.\n",
991	swapchain->desc.multisample_type,
992	swapchain->desc.multisample_quality);
993
994	if (!wined3d_settings.always_offscreen && !swapchain->desc.multisample_type
995	&& swapchain->desc.backbuffer_width == client_rect.right
996	&& swapchain->desc.backbuffer_height == client_rect.bottom)
997	{
998	TRACE("Backbuffer dimensions match window dimensions, rendering onscreen.\n");
999	swapchain->render_to_fbo = FALSE;
1000	return;
1001	}
1002
1003	TRACE("Rendering to FBO.\n");
1004	swapchain->render_to_fbo = TRUE;
1005	}
1006
1007	/* Do not call while under the GL lock. */
1008	static HRESULT swapchain_init(struct wined3d_swapchain swapchain, struct wined3d_device device,
1009	struct wined3d_swapchain_desc desc, void parent, const struct wined3d_parent_ops *parent_ops)
1010	{
1011	const struct wined3d_adapter *adapter = device->adapter;
1012	struct wined3d_resource_desc surface_desc;
1013	const struct wined3d_format *format;
1014	struct wined3d_display_mode mode;
1015	#ifndef VBOX_WITH_WDDM
1016	BOOL displaymode_set = FALSE;
1017	#endif
1018	RECT client_rect;
1019	HWND window;
1020	HRESULT hr;
1021	UINT i;
1022	#ifdef VBOX_WITH_WDDM
1023	struct wined3d_swapchain *overriden_swapchain = NULL;
1024	HDC hDC = NULL;
1025	#endif
1026
1027	if (desc->backbuffer_count > WINED3DPRESENT_BACK_BUFFER_MAX)
1028	{
1029	FIXME("The application requested %u back buffers, this is not supported.\n",
1030	desc->backbuffer_count);
1031	return WINED3DERR_INVALIDCALL;
1032	}
1033
1034	if (desc->backbuffer_count > 1)
1035	{
1036	FIXME("The application requested more than one back buffer, this is not properly supported.\n"
1037	"Please configure the application to use double buffering (1 back buffer) if possible.\n");
1038	}
1039
1040	if (device->wined3d->flags & WINED3D_NO3D)
1041	swapchain->swapchain_ops = &swapchain_gdi_ops;
1042	else
1043	swapchain->swapchain_ops = &swapchain_gl_ops;
1044
1045	#ifndef VBOX_WITH_WDDM
1046	window = desc->device_window ? desc->device_window : device->create_parms.focus_window;
1047	#else
1048	if (desc->device_window)
1049	{
1050	overriden_swapchain = swapchain_find(device, desc->device_window);
1051	if (!overriden_swapchain)
1052	{
1053	ERR("invalid window handle supplied");
1054	return E_FAIL;
1055	}
1056
1057	window = overriden_swapchain->win_handle;
1058	hDC = overriden_swapchain->hDC;
1059	}
1060	else
1061	{
1062	hr = VBoxExtWndCreate(desc->backbuffer_width, desc->backbuffer_height, &window, &hDC);
1063	if (FAILED(hr))
1064	{
1065	ERR("VBoxExtWndCreate failed, hr 0x%x", hr);
1066	return hr;
1067	}
1068	}
1069	Assert(window);
1070	Assert(hDC);
1071	desc->device_window = window;
1072	#endif
1073
1074	swapchain->device = device;
1075	swapchain->parent = parent;
1076	swapchain->parent_ops = parent_ops;
1077	swapchain->ref = 1;
1078	swapchain->win_handle = window;
1079	#ifndef VBOX_WITH_WDDM
1080	swapchain->device_window = window;
1081	# ifdef VBOX_WINE_WITH_SINGLE_CONTEXT
1082	swapchain->hDC = VBoxExtGetDC(window);
1083	if (!swapchain->hDC)
1084	{
1085	ERR("failed to get window DC");
1086	return E_FAIL;
1087	}
1088	# endif
1089	#else
1090	Assert(window);
1091	swapchain->hDC = hDC;
1092	#endif
1093
1094	wined3d_get_adapter_display_mode(device->wined3d, adapter->ordinal, &mode, NULL);
1095	#ifndef VBOX_WITH_WDDM
1096	swapchain->orig_width = mode.width;
1097	swapchain->orig_height = mode.height;
1098	swapchain->orig_fmt = mode.format_id;
1099	#endif
1100	format = wined3d_get_format(&adapter->gl_info, mode.format_id);
1101
1102	GetClientRect(window, &client_rect);
1103	if (desc->windowed
1104	&& (!desc->backbuffer_width \|\| !desc->backbuffer_height
1105	\|\| desc->backbuffer_format == WINED3DFMT_UNKNOWN))
1106	{
1107
1108	if (!desc->backbuffer_width)
1109	{
1110	desc->backbuffer_width = client_rect.right;
1111	TRACE("Updating width to %u.\n", desc->backbuffer_width);
1112	}
1113
1114	if (!desc->backbuffer_height)
1115	{
1116	desc->backbuffer_height = client_rect.bottom;
1117	TRACE("Updating height to %u.\n", desc->backbuffer_height);
1118	}
1119	#ifndef VBOX_WITH_WDDM
1120	if (desc->backbuffer_format == WINED3DFMT_UNKNOWN)
1121	{
1122	desc->backbuffer_format = swapchain->orig_fmt;
1123	TRACE("Updating format to %s.\n", debug_d3dformat(swapchain->orig_fmt));
1124	}
1125	#endif
1126	}
1127	swapchain->desc = *desc;
1128	swapchain_update_render_to_fbo(swapchain);
1129
1130	TRACE("Creating front buffer.\n");
1131
1132	surface_desc.resource_type = WINED3D_RTYPE_SURFACE;
1133	surface_desc.format = swapchain->desc.backbuffer_format;
1134	surface_desc.multisample_type = swapchain->desc.multisample_type;
1135	surface_desc.multisample_quality = swapchain->desc.multisample_quality;
1136	surface_desc.usage = WINED3DUSAGE_RENDERTARGET;
1137	surface_desc.pool = WINED3D_POOL_DEFAULT;
1138	surface_desc.width = swapchain->desc.backbuffer_width;
1139	surface_desc.height = swapchain->desc.backbuffer_height;
1140	surface_desc.depth = 1;
1141	surface_desc.size = 0;
1142
1143	if (FAILED(hr = device->device_parent->ops->create_swapchain_surface(device->device_parent,
1144	parent, &surface_desc, &swapchain->front_buffer)))
1145	{
1146	WARN("Failed to create front buffer, hr %#x.\n", hr);
1147	goto err;
1148	}
1149
1150	surface_set_swapchain(swapchain->front_buffer, swapchain);
1151	if (!(device->wined3d->flags & WINED3D_NO3D))
1152	surface_modify_location(swapchain->front_buffer, SFLAG_INDRAWABLE, TRUE);
1153
1154	/* MSDN says we're only allowed a single fullscreen swapchain per device,
1155	* so we should really check to see if there is a fullscreen swapchain
1156	* already. Does a single head count as full screen? */
1157
1158	#ifndef VBOX_WITH_WDDM
1159	if (!desc->windowed)
1160	{
1161	struct wined3d_display_mode mode;
1162
1163	/* Change the display settings */
1164	mode.width = desc->backbuffer_width;
1165	mode.height = desc->backbuffer_height;
1166	mode.format_id = desc->backbuffer_format;
1167	mode.refresh_rate = desc->refresh_rate;
1168	mode.scanline_ordering = WINED3D_SCANLINE_ORDERING_UNKNOWN;
1169
1170	if (FAILED(hr = wined3d_set_adapter_display_mode(device->wined3d, device->adapter->ordinal, &mode)))
1171	{
1172	WARN("Failed to set display mode, hr %#x.\n", hr);
1173	goto err;
1174	}
1175	displaymode_set = TRUE;
1176	}
1177	#endif
1178
1179	if (!(device->wined3d->flags & WINED3D_NO3D))
1180	{
1181	#ifndef VBOX_WINE_WITH_SINGLE_CONTEXT
1182	static const enum wined3d_format_id formats[] =
1183	{
1184	WINED3DFMT_D24_UNORM_S8_UINT,
1185	WINED3DFMT_D32_UNORM,
1186	WINED3DFMT_R24_UNORM_X8_TYPELESS,
1187	WINED3DFMT_D16_UNORM,
1188	WINED3DFMT_S1_UINT_D15_UNORM
1189	};
1190
1191	const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
1192
1193	swapchain->context = HeapAlloc(GetProcessHeap(), 0, sizeof(*swapchain->context));
1194	if (!swapchain->context)
1195	{
1196	ERR("Failed to create the context array.\n");
1197	hr = E_OUTOFMEMORY;
1198	goto err;
1199	}
1200	swapchain->num_contexts = 1;
1201
1202	/* In WGL both color, depth and stencil are features of a pixel format. In case of D3D they are separate.
1203	* You are able to add a depth + stencil surface at a later stage when you need it.
1204	* In order to support this properly in WineD3D we need the ability to recreate the opengl context and
1205	* drawable when this is required. This is very tricky as we need to reapply ALL opengl states for the new
1206	* context, need torecreate shaders, textures and other resources.
1207	*
1208	* The context manager already takes care of the state problem and for the other tasks code from Reset
1209	* can be used. These changes are way to risky during the 1.0 code freeze which is taking place right now.
1210	* Likely a lot of other new bugs will be exposed. For that reason request a depth stencil surface all the
1211	* time. It can cause a slight performance hit but fixes a lot of regressions. A fixme reminds of that this
1212	* issue needs to be fixed. */
1213	for (i = 0; i < (sizeof(formats) / sizeof(*formats)); i++)
1214	{
1215	swapchain->ds_format = wined3d_get_format(gl_info, formats[i]);
1216	swapchain->context[0] = context_create(swapchain, swapchain->front_buffer, swapchain->ds_format);
1217	if (swapchain->context[0]) break;
1218	TRACE("Depth stencil format %s is not supported, trying next format\n",
1219	debug_d3dformat(formats[i]));
1220	}
1221
1222	if (!swapchain->context[0])
1223	#else
1224	struct wined3d_context * swapchain_context;
1225	swapchain->ds_format = wined3d_get_format(&device->adapter->gl_info, WINED3DFMT_D24_UNORM_S8_UINT);
1226	swapchain_context = context_find_create(device, swapchain, swapchain->ds_format);
1227	if (!swapchain_context)
1228	#endif
1229	{
1230	WARN("Failed to create context.\n");
1231	hr = WINED3DERR_NOTAVAILABLE;
1232	goto err;
1233	}
1234
1235	if (wined3d_settings.offscreen_rendering_mode != ORM_FBO
1236	&& (!desc->enable_auto_depth_stencil
1237	\|\| swapchain->desc.auto_depth_stencil_format != swapchain->ds_format->id))
1238	{
1239	FIXME("Add OpenGL context recreation support to context_validate_onscreen_formats\n");
1240	}
1241	#ifndef VBOX_WINE_WITH_SINGLE_CONTEXT
1242	context_release(swapchain->context[0]);
1243	#else
1244	context_release(swapchain_context);
1245	#endif
1246	}
1247
1248	if (swapchain->desc.backbuffer_count > 0)
1249	{
1250	swapchain->back_buffers = HeapAlloc(GetProcessHeap(), 0,
1251	sizeof(swapchain->back_buffers) swapchain->desc.backbuffer_count);
1252	if (!swapchain->back_buffers)
1253	{
1254	ERR("Failed to allocate backbuffer array memory.\n");
1255	hr = E_OUTOFMEMORY;
1256	goto err;
1257	}
1258
1259	for (i = 0; i < swapchain->desc.backbuffer_count; ++i)
1260	{
1261	TRACE("Creating back buffer %u.\n", i);
1262	if (FAILED(hr = device->device_parent->ops->create_swapchain_surface(device->device_parent,
1263	parent, &surface_desc, &swapchain->back_buffers[i])))
1264	{
1265	WARN("Failed to create back buffer %u, hr %#x.\n", i, hr);
1266	goto err;
1267	}
1268	surface_set_swapchain(swapchain->back_buffers[i], swapchain);
1269	}
1270	}
1271
1272	/* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
1273	if (desc->enable_auto_depth_stencil && !(device->wined3d->flags & WINED3D_NO3D))
1274	{
1275	TRACE("Creating depth/stencil buffer.\n");
1276	if (!device->auto_depth_stencil)
1277	{
1278	surface_desc.format = swapchain->desc.auto_depth_stencil_format;
1279	surface_desc.usage = WINED3DUSAGE_DEPTHSTENCIL;
1280
1281	if (FAILED(hr = device->device_parent->ops->create_swapchain_surface(device->device_parent,
1282	device->device_parent, &surface_desc, &device->auto_depth_stencil)))
1283	{
1284	WARN("Failed to create the auto depth stencil, hr %#x.\n", hr);
1285	goto err;
1286	}
1287	}
1288	}
1289
1290	#ifndef VBOX_WITH_WDDM
1291	wined3d_swapchain_get_gamma_ramp(swapchain, &swapchain->orig_gamma);
1292	#else
1293	if (overriden_swapchain)
1294	{
1295	swapchain_invalidate(overriden_swapchain);
1296	}
1297	#endif
1298
1299	return WINED3D_OK;
1300
1301	err:
1302	#ifndef VBOX_WITH_WDDM
1303	if (displaymode_set)
1304	{
1305	DEVMODEW devmode;
1306
1307	ClipCursor(NULL);
1308
1309	/* Change the display settings */
1310	memset(&devmode, 0, sizeof(devmode));
1311	devmode.dmSize = sizeof(devmode);
1312	devmode.dmFields = DM_BITSPERPEL \| DM_PELSWIDTH \| DM_PELSHEIGHT;
1313	devmode.dmBitsPerPel = format->byte_count * CHAR_BIT;
1314	devmode.dmPelsWidth = swapchain->orig_width;
1315	devmode.dmPelsHeight = swapchain->orig_height;
1316	ChangeDisplaySettingsExW(adapter->DeviceName, &devmode, NULL, CDS_FULLSCREEN, NULL);
1317	}
1318	#endif
1319	if (swapchain->back_buffers)
1320	{
1321	for (i = 0; i < swapchain->desc.backbuffer_count; ++i)
1322	{
1323	if (swapchain->back_buffers[i])
1324	{
1325	surface_set_swapchain(swapchain->back_buffers[i], NULL);
1326	wined3d_surface_decref(swapchain->back_buffers[i]);
1327	}
1328	}
1329	HeapFree(GetProcessHeap(), 0, swapchain->back_buffers);
1330	#ifdef VBOX_WITH_WINE_FIX_INITCLEAR
1331	swapchain->back_buffers = NULL;
1332	#endif
1333	}
1334	#ifdef VBOX_WITH_WINE_FIX_INITCLEAR
1335	swapchain->desc.backbuffer_count = 0;
1336	#endif
1337	#ifndef VBOX_WINE_WITH_SINGLE_CONTEXT
1338	if (swapchain->context)
1339	{
1340	if (swapchain->context[0])
1341	{
1342	context_release(swapchain->context[0]);
1343	context_destroy(device, swapchain->context[0]);
1344	swapchain->num_contexts = 0;
1345	}
1346	HeapFree(GetProcessHeap(), 0, swapchain->context);
1347	}
1348	#else
1349	if (!device->swapchain_count)
1350	{
1351	while (device->context_count)
1352	{
1353	context_destroy(device, device->contexts[0]);
1354	}
1355	}
1356	#endif
1357	if (swapchain->front_buffer)
1358	{
1359	surface_set_swapchain(swapchain->front_buffer, NULL);
1360	wined3d_surface_decref(swapchain->front_buffer);
1361	}
1362
1363	#ifdef VBOX_WITH_WDDM
1364	if (!overriden_swapchain && swapchain->win_handle)
1365	{
1366	VBoxExtWndDestroy(swapchain->win_handle, swapchain->hDC);
1367	}
1368	swapchain_invalidate(swapchain);
1369	#endif
1370
1371	return hr;
1372	}
1373
1374	/* Do not call while under the GL lock. */
1375	HRESULT CDECL wined3d_swapchain_create(struct wined3d_device device, struct wined3d_swapchain_desc desc,
1376	void parent, const struct wined3d_parent_ops parent_ops, struct wined3d_swapchain **swapchain)
1377	{
1378	struct wined3d_swapchain *object;
1379	HRESULT hr;
1380
1381	TRACE("device %p, desc %p, parent %p, parent_ops %p, swapchain %p.\n",
1382	device, desc, parent, parent_ops, swapchain);
1383
1384	object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
1385	if (!object)
1386	return E_OUTOFMEMORY;
1387
1388	hr = swapchain_init(object, device, desc, parent, parent_ops);
1389	if (FAILED(hr))
1390	{
1391	WARN("Failed to initialize swapchain, hr %#x.\n", hr);
1392	HeapFree(GetProcessHeap(), 0, object);
1393	return hr;
1394	}
1395
1396	TRACE("Created swapchain %p.\n", object);
1397	*swapchain = object;
1398
1399	return WINED3D_OK;
1400	}
1401
1402	#ifndef VBOX_WINE_WITH_SINGLE_CONTEXT
1403	/* Do not call while under the GL lock. */
1404	static struct wined3d_context swapchain_create_context(struct wined3d_swapchain swapchain)
1405	{
1406	struct wined3d_context **newArray;
1407	struct wined3d_context *ctx;
1408
1409	TRACE("Creating a new context for swapchain %p, thread %u.\n", swapchain, GetCurrentThreadId());
1410
1411	if (!(ctx = context_create(swapchain, swapchain->front_buffer, swapchain->ds_format)))
1412	{
1413	ERR("Failed to create a new context for the swapchain\n");
1414	return NULL;
1415	}
1416	context_release(ctx);
1417
1418	newArray = HeapAlloc(GetProcessHeap(), 0, sizeof(newArray) (swapchain->num_contexts + 1));
1419	if(!newArray) {
1420	ERR("Out of memory when trying to allocate a new context array\n");
1421	context_destroy(swapchain->device, ctx);
1422	return NULL;
1423	}
1424	memcpy(newArray, swapchain->context, sizeof(newArray) swapchain->num_contexts);
1425	HeapFree(GetProcessHeap(), 0, swapchain->context);
1426	newArray[swapchain->num_contexts] = ctx;
1427	swapchain->context = newArray;
1428	swapchain->num_contexts++;
1429
1430	TRACE("Returning context %p\n", ctx);
1431	return ctx;
1432	}
1433
1434	void swapchain_destroy_contexts(struct wined3d_swapchain *swapchain)
1435	{
1436	unsigned int i;
1437
1438	for (i = 0; i < swapchain->num_contexts; ++i)
1439	{
1440	context_destroy(swapchain->device, swapchain->context[i]);
1441	}
1442	swapchain->num_contexts = 0;
1443	}
1444
1445	struct wined3d_context swapchain_get_context(struct wined3d_swapchain swapchain)
1446	{
1447	DWORD tid = GetCurrentThreadId();
1448	unsigned int i;
1449
1450	for (i = 0; i < swapchain->num_contexts; ++i)
1451	{
1452	# ifdef VBOX_WINE_WITH_SINGLE_SWAPCHAIN_CONTEXT
1453	if (VBoxTlsRefIsFunctional(swapchain->context[i]))
1454	# else
1455	if (swapchain->context[i]->tid == tid)
1456	#endif
1457	return swapchain->context[i];
1458	}
1459
1460	/* Create a new context for the thread */
1461	return swapchain_create_context(swapchain);
1462	}
1463	#else /* if defined VBOX_WINE_WITH_SINGLE_CONTEXT */
1464	struct wined3d_context swapchain_get_context(struct wined3d_swapchain swapchain)
1465	{
1466	struct wined3d_context * context = swapchain->device->contexts[0];
1467	return context;
1468	}
1469	#endif
1470
1471	void get_drawable_size_swapchain(const struct wined3d_context context, UINT width, UINT *height)
1472	{
1473	/* The drawable size of an onscreen drawable is the surface size.
1474	* (Actually: The window size, but the surface is created in window size) */
1475	*width = context->current_rt->resource.width;
1476	*height = context->current_rt->resource.height;
1477	}
1478
1479	#ifndef VBOX_WITH_WDDM
1480	HDC swapchain_get_backup_dc(struct wined3d_swapchain *swapchain)
1481	{
1482	if (!swapchain->backup_dc)
1483	{
1484	TRACE("Creating the backup window for swapchain %p.\n", swapchain);
1485
1486	if (!(swapchain->backup_wnd = CreateWindowA(WINED3D_OPENGL_WINDOW_CLASS_NAME, "WineD3D fake window",
1487	WS_OVERLAPPEDWINDOW, 10, 10, 10, 10, NULL, NULL, NULL, NULL)))
1488	{
1489	ERR("Failed to create a window.\n");
1490	return NULL;
1491	}
1492
1493	if (!(swapchain->backup_dc = GetDC(swapchain->backup_wnd)))
1494	{
1495	ERR("Failed to get a DC.\n");
1496	DestroyWindow(swapchain->backup_wnd);
1497	swapchain->backup_wnd = NULL;
1498	return NULL;
1499	}
1500	}
1501
1502	return swapchain->backup_dc;
1503	}
1504	#endif
1505	void swapchain_update_draw_bindings(struct wined3d_swapchain *swapchain)
1506	{
1507	UINT i;
1508
1509	surface_update_draw_binding(swapchain->front_buffer);
1510
1511	for (i = 0; i < swapchain->desc.backbuffer_count; ++i)
1512	{
1513	surface_update_draw_binding(swapchain->back_buffers[i]);
1514	}
1515	}
1516
1517	#ifdef VBOX_WITH_WDDM
1518	HRESULT CDECL wined3d_swapchain_present_rt(struct wined3d_swapchain swapchain, struct wined3d_surface rt)
1519	{
1520	struct wined3d_surface *bb = swapchain->back_buffers[0];
1521	HRESULT hr = wined3d_surface_blt(bb, NULL, rt, NULL, 0, NULL, 0);
1522	if (FAILED(hr))
1523	{
1524	ERR("wined3d_surface_blt failed with hr(%d)", hr);
1525	return hr;
1526	}
1527
1528	hr = wined3d_swapchain_present(swapchain, NULL, NULL, NULL, NULL, 0);
1529	if (FAILED(hr))
1530	{
1531	ERR("wined3d_swapchain_present failed with hr(%d)", hr);
1532	return hr;
1533	}
1534
1535	return S_OK;
1536	}
1537	#endif

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source: vbox/trunk/src/VBox/Additions/WINNT/Graphics/Wine_new/wined3d/swapchain.c@ 46521

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