swapchain.c@ 30585

Last change on this file since 30585 was 28475, checked in by vboxsync, 15 years ago
crOpenGL: update to wine 1.1.43
Property svn:eol-style set to `native`
File size: 37.5 KB

Line
1	/*
2	*IDirect3DSwapChain9 implementation
3	*
4	*Copyright 2002-2003 Jason Edmeades
5	*Copyright 2002-2003 Raphael Junqueira
6	*Copyright 2005 Oliver Stieber
7	*Copyright 2007-2008 Stefan Dösinger for CodeWeavers
8	*
9	*This library is free software; you can redistribute it and/or
10	*modify it under the terms of the GNU Lesser General Public
11	*License as published by the Free Software Foundation; either
12	*version 2.1 of the License, or (at your option) any later version.
13	*
14	*This library is distributed in the hope that it will be useful,
15	*but WITHOUT ANY WARRANTY; without even the implied warranty of
16	*MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17	*Lesser General Public License for more details.
18	*
19	*You should have received a copy of the GNU Lesser General Public
20	*License along with this library; if not, write to the Free Software
21	*Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22	*/
23
24	/*
25	* Sun LGPL Disclaimer: For the avoidance of doubt, except that if any license choice
26	* other than GPL or LGPL is available it will apply instead, Sun elects to use only
27	* the Lesser General Public License version 2.1 (LGPLv2) at this time for any software where
28	* a choice of LGPL license versions is made available with the language indicating
29	* that LGPLv2 or any later version may be used, or where a choice of which version
30	* of the LGPL is applied is otherwise unspecified.
31	*/
32
33	#include "config.h"
34	#include "wined3d_private.h"
35
36
37	/*TODO: some of the additional parameters may be required to
38	set the gamma ramp (for some weird reason microsoft have left swap gammaramp in device
39	but it operates on a swapchain, it may be a good idea to move it to IWineD3DSwapChain for IWineD3D)*/
40
41
42	WINE_DEFAULT_DEBUG_CHANNEL(d3d);
43	WINE_DECLARE_DEBUG_CHANNEL(fps);
44
45	#define GLINFO_LOCATION This->device->adapter->gl_info
46
47	/IWineD3DSwapChain parts follow: /
48	static void WINAPI IWineD3DSwapChainImpl_Destroy(IWineD3DSwapChain *iface)
49	{
50	IWineD3DSwapChainImpl This = (IWineD3DSwapChainImpl )iface;
51	WINED3DDISPLAYMODE mode;
52	unsigned int i;
53
54	TRACE("Destroying swapchain %p\n", iface);
55
56	IWineD3DSwapChain_SetGammaRamp(iface, 0, &This->orig_gamma);
57
58	/* Release the swapchain's draw buffers. Make sure This->backBuffer[0] is
59	* the last buffer to be destroyed, FindContext() depends on that. */
60	if (This->frontBuffer)
61	{
62	IWineD3DSurface_SetContainer(This->frontBuffer, 0);
63	if (IWineD3DSurface_Release(This->frontBuffer))
64	{
65	WARN("(%p) Something's still holding the front buffer (%p).\n",
66	This, This->frontBuffer);
67	}
68	This->frontBuffer = NULL;
69	}
70
71	if (This->backBuffer)
72	{
73	UINT i = This->presentParms.BackBufferCount;
74
75	while (i--)
76	{
77	IWineD3DSurface_SetContainer(This->backBuffer[i], 0);
78	if (IWineD3DSurface_Release(This->backBuffer[i]))
79	WARN("(%p) Something's still holding back buffer %u (%p).\n",
80	This, i, This->backBuffer[i]);
81	}
82	HeapFree(GetProcessHeap(), 0, This->backBuffer);
83	This->backBuffer = NULL;
84	}
85
86	for (i = 0; i < This->num_contexts; ++i)
87	{
88	context_destroy(This->device, This->context[i]);
89	}
90	/* Restore the screen resolution if we rendered in fullscreen
91	* This will restore the screen resolution to what it was before creating the swapchain. In case of d3d8 and d3d9
92	* this will be the original desktop resolution. In case of d3d7 this will be a NOP because ddraw sets the resolution
93	* before starting up Direct3D, thus orig_width and orig_height will be equal to the modes in the presentation params
94	*/
95	if(This->presentParms.Windowed == FALSE && This->presentParms.AutoRestoreDisplayMode) {
96	mode.Width = This->orig_width;
97	mode.Height = This->orig_height;
98	mode.RefreshRate = 0;
99	mode.Format = This->orig_fmt;
100	IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)This->device, 0, &mode);
101	}
102
103	HeapFree(GetProcessHeap(), 0, This->context);
104	HeapFree(GetProcessHeap(), 0, This);
105	}
106
107	/* A GL context is provided by the caller */
108	static void swapchain_blit(IWineD3DSwapChainImpl This, struct wined3d_context context,
109	const RECT src_rect, const RECT dst_rect)
110	{
111	IWineD3DDeviceImpl *device = This->device;
112	IWineD3DSurfaceImpl backbuffer = ((IWineD3DSurfaceImpl ) This->backBuffer[0]);
113	UINT src_w = src_rect->right - src_rect->left;
114	UINT src_h = src_rect->bottom - src_rect->top;
115	GLenum gl_filter;
116	const struct wined3d_gl_info *gl_info = context->gl_info;
117
118	TRACE("swapchain %p, context %p, src_rect %s, dst_rect %s.\n",
119	This, context, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect));
120
121	if (src_w == dst_rect->right - dst_rect->left && src_h == dst_rect->bottom - dst_rect->top)
122	gl_filter = GL_NEAREST;
123	else
124	gl_filter = GL_LINEAR;
125
126	if (gl_info->fbo_ops.glBlitFramebuffer && is_identity_fixup(backbuffer->resource.format_desc->color_fixup))
127	{
128	ENTER_GL();
129	context_bind_fbo(context, GL_READ_FRAMEBUFFER, &context->src_fbo);
130	context_attach_surface_fbo(context, GL_READ_FRAMEBUFFER, 0, backbuffer);
131	context_attach_depth_stencil_fbo(context, GL_READ_FRAMEBUFFER, NULL, FALSE);
132
133	context_bind_fbo(context, GL_DRAW_FRAMEBUFFER, NULL);
134	context_set_draw_buffer(context, GL_BACK);
135
136	glDisable(GL_SCISSOR_TEST);
137	IWineD3DDeviceImpl_MarkStateDirty(This->device, STATE_RENDER(WINED3DRS_SCISSORTESTENABLE));
138
139	/* Note that the texture is upside down */
140	gl_info->fbo_ops.glBlitFramebuffer(src_rect->left, src_rect->top, src_rect->right, src_rect->bottom,
141	dst_rect->left, dst_rect->bottom, dst_rect->right, dst_rect->top,
142	GL_COLOR_BUFFER_BIT, gl_filter);
143	checkGLcall("Swapchain present blit(EXT_framebuffer_blit)\n");
144	LEAVE_GL();
145	}
146	else
147	{
148	struct wined3d_context *context2;
149	float tex_left = src_rect->left;
150	float tex_top = src_rect->top;
151	float tex_right = src_rect->right;
152	float tex_bottom = src_rect->bottom;
153
154	context2 = context_acquire(This->device, This->backBuffer[0], CTXUSAGE_BLIT);
155
156	if(backbuffer->Flags & SFLAG_NORMCOORD)
157	{
158	tex_left /= src_w;
159	tex_right /= src_w;
160	tex_top /= src_h;
161	tex_bottom /= src_h;
162	}
163
164	if (is_complex_fixup(backbuffer->resource.format_desc->color_fixup))
165	gl_filter = GL_NEAREST;
166
167	ENTER_GL();
168	context_bind_fbo(context2, GL_DRAW_FRAMEBUFFER, NULL);
169
170	/* Set up the texture. The surface is not in a IWineD3D*Texture container,
171	* so there are no d3d texture settings to dirtify
172	*/
173	device->blitter->set_shader((IWineD3DDevice *) device, backbuffer);
174	glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MIN_FILTER, gl_filter);
175	glTexParameteri(backbuffer->texture_target, GL_TEXTURE_MAG_FILTER, gl_filter);
176
177	context_set_draw_buffer(context, GL_BACK);
178
179	/* Set the viewport to the destination rectandle, disable any projection
180	* transformation set up by CTXUSAGE_BLIT, and draw a (-1,-1)-(1,1) quad.
181	*
182	* Back up viewport and matrix to avoid breaking last_was_blit
183	*
184	* Note that CTXUSAGE_BLIT set up viewport and ortho to match the surface
185	* size - we want the GL drawable(=window) size.
186	*/
187	glPushAttrib(GL_VIEWPORT_BIT);
188	glViewport(dst_rect->left, dst_rect->top, dst_rect->right, dst_rect->bottom);
189	glMatrixMode(GL_PROJECTION);
190	glPushMatrix();
191	glLoadIdentity();
192
193	glBegin(GL_QUADS);
194	/* bottom left */
195	glTexCoord2f(tex_left, tex_bottom);
196	glVertex2i(-1, -1);
197
198	/* top left */
199	glTexCoord2f(tex_left, tex_top);
200	glVertex2i(-1, 1);
201
202	/* top right */
203	glTexCoord2f(tex_right, tex_top);
204	glVertex2i(1, 1);
205
206	/* bottom right */
207	glTexCoord2f(tex_right, tex_bottom);
208	glVertex2i(1, -1);
209	glEnd();
210
211	glPopMatrix();
212	glPopAttrib();
213
214	device->blitter->unset_shader((IWineD3DDevice *) device);
215	checkGLcall("Swapchain present blit(manual)\n");
216	LEAVE_GL();
217
218	context_release(context2);
219	}
220	}
221
222	static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain iface, CONST RECT pSourceRect, CONST RECT pDestRect, HWND hDestWindowOverride, CONST RGNDATA pDirtyRegion, DWORD dwFlags) {
223	IWineD3DSwapChainImpl This = (IWineD3DSwapChainImpl )iface;
224	struct wined3d_context *context;
225	RECT src_rect, dst_rect;
226	BOOL render_to_fbo;
227	unsigned int sync;
228	int retval;
229
230	IWineD3DSwapChain_SetDestWindowOverride(iface, hDestWindowOverride);
231
232	context = context_acquire(This->device, This->backBuffer[0], CTXUSAGE_RESOURCELOAD);
233	if (!context->valid)
234	{
235	context_release(context);
236	WARN("Invalid context, skipping present.\n");
237	return WINED3D_OK;
238	}
239
240	/* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
241	if (This->device->bCursorVisible && This->device->cursorTexture)
242	{
243	IWineD3DSurfaceImpl cursor;
244	RECT destRect =
245	{
246	This->device->xScreenSpace - This->device->xHotSpot,
247	This->device->yScreenSpace - This->device->yHotSpot,
248	This->device->xScreenSpace + This->device->cursorWidth - This->device->xHotSpot,
249	This->device->yScreenSpace + This->device->cursorHeight - This->device->yHotSpot,
250	};
251	TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor);
252	/* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
253	* the application because we are only supposed to copy the information out. Using a fake surface
254	* allows to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
255	*/
256	memset(&cursor, 0, sizeof(cursor));
257	cursor.lpVtbl = &IWineD3DSurface_Vtbl;
258	cursor.resource.ref = 1;
259	cursor.resource.device = This->device;
260	cursor.resource.pool = WINED3DPOOL_SCRATCH;
261	cursor.resource.format_desc = getFormatDescEntry(WINED3DFMT_B8G8R8A8_UNORM, context->gl_info);
262	cursor.resource.resourceType = WINED3DRTYPE_SURFACE;
263	cursor.texture_name = This->device->cursorTexture;
264	cursor.texture_target = GL_TEXTURE_2D;
265	cursor.texture_level = 0;
266	cursor.currentDesc.Width = This->device->cursorWidth;
267	cursor.currentDesc.Height = This->device->cursorHeight;
268	/* The cursor must have pow2 sizes */
269	cursor.pow2Width = cursor.currentDesc.Width;
270	cursor.pow2Height = cursor.currentDesc.Height;
271	/* The surface is in the texture */
272	cursor.Flags \|= SFLAG_INTEXTURE;
273	/* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
274	* which is exactly what we want :-)
275	*/
276	if (This->presentParms.Windowed) {
277	MapWindowPoints(NULL, This->win_handle, (LPPOINT)&destRect, 2);
278	}
279	IWineD3DSurface_Blt(This->backBuffer[0], &destRect, (IWineD3DSurface *)&cursor,
280	NULL, WINEDDBLT_KEYSRC, NULL, WINED3DTEXF_POINT);
281	}
282
283	if (This->device->logo_surface)
284	{
285	/* Blit the logo into the upper left corner of the drawable. */
286	IWineD3DSurface_BltFast(This->backBuffer[0], 0, 0, This->device->logo_surface, NULL, WINEDDBLTFAST_SRCCOLORKEY);
287	}
288
289	TRACE("Presenting HDC %p.\n", context->hdc);
290
291	render_to_fbo = This->render_to_fbo;
292
293	if (pSourceRect)
294	{
295	src_rect = *pSourceRect;
296	if (!render_to_fbo && (src_rect.left \|\| src_rect.top
297	\|\| src_rect.right != This->presentParms.BackBufferWidth
298	\|\| src_rect.bottom != This->presentParms.BackBufferHeight))
299	{
300	render_to_fbo = TRUE;
301	}
302	}
303	else
304	{
305	src_rect.left = 0;
306	src_rect.top = 0;
307	src_rect.right = This->presentParms.BackBufferWidth;
308	src_rect.bottom = This->presentParms.BackBufferHeight;
309	}
310
311	if (pDestRect) dst_rect = *pDestRect;
312	else GetClientRect(This->win_handle, &dst_rect);
313
314	if (!render_to_fbo && (dst_rect.left \|\| dst_rect.top
315	\|\| dst_rect.right != This->presentParms.BackBufferWidth
316	\|\| dst_rect.bottom != This->presentParms.BackBufferHeight))
317	{
318	render_to_fbo = TRUE;
319	}
320
321	/* Rendering to a window of different size, presenting partial rectangles,
322	* or rendering to a different window needs help from FBO_blit or a textured
323	* draw. Render the swapchain to a FBO in the future.
324	*
325	* Note that FBO_blit from the backbuffer to the frontbuffer cannot solve
326	* all these issues - this fails if the window is smaller than the backbuffer.
327	*/
328	if (!This->render_to_fbo && render_to_fbo && wined3d_settings.offscreen_rendering_mode == ORM_FBO)
329	{
330	IWineD3DSurface_LoadLocation(This->backBuffer[0], SFLAG_INTEXTURE, NULL);
331	IWineD3DSurface_ModifyLocation(This->backBuffer[0], SFLAG_INDRAWABLE, FALSE);
332	This->render_to_fbo = TRUE;
333
334	/* Force the context manager to update the render target configuration next draw. */
335	context->current_rt = NULL;
336	}
337
338	if(This->render_to_fbo)
339	{
340	/* This codepath should only be hit with the COPY swapeffect. Otherwise a backbuffer-
341	* window size mismatch is impossible(fullscreen) and src and dst rectangles are
342	* not allowed(they need the COPY swapeffect)
343	*
344	* The DISCARD swap effect is ok as well since any backbuffer content is allowed after
345	* the swap
346	*/
347	if(This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP )
348	{
349	FIXME("Render-to-fbo with WINED3DSWAPEFFECT_FLIP\n");
350	}
351
352	swapchain_blit(This, context, &src_rect, &dst_rect);
353	}
354
355	if (This->num_contexts > 1) wglFinish();
356	SwapBuffers(context->hdc); /* TODO: cycle through the swapchain buffers */
357
358	TRACE("SwapBuffers called, Starting new frame\n");
359	/* FPS support */
360	if (TRACE_ON(fps))
361	{
362	DWORD time = GetTickCount();
363	This->frames++;
364	/* every 1.5 seconds */
365	if (time - This->prev_time > 1500) {
366	TRACE_(fps)("%p @ approx %.2ffps\n", This, 1000.0*This->frames/(time - This->prev_time));
367	This->prev_time = time;
368	This->frames = 0;
369	}
370	}
371
372	#if defined(FRAME_DEBUGGING)
373	{
374	if (GetFileAttributesA("C:\\D3DTRACE") != INVALID_FILE_ATTRIBUTES) {
375	if (!isOn) {
376	isOn = TRUE;
377	FIXME("Enabling D3D Trace\n");
378	__WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 1);
379	#if defined(SHOW_FRAME_MAKEUP)
380	FIXME("Singe Frame snapshots Starting\n");
381	isDumpingFrames = TRUE;
382	ENTER_GL();
383	glClear(GL_COLOR_BUFFER_BIT);
384	LEAVE_GL();
385	#endif
386
387	#if defined(SINGLE_FRAME_DEBUGGING)
388	} else {
389	#if defined(SHOW_FRAME_MAKEUP)
390	FIXME("Singe Frame snapshots Finishing\n");
391	isDumpingFrames = FALSE;
392	#endif
393	FIXME("Singe Frame trace complete\n");
394	DeleteFileA("C:\\D3DTRACE");
395	__WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
396	#endif
397	}
398	} else {
399	if (isOn) {
400	isOn = FALSE;
401	#if defined(SHOW_FRAME_MAKEUP)
402	FIXME("Single Frame snapshots Finishing\n");
403	isDumpingFrames = FALSE;
404	#endif
405	FIXME("Disabling D3D Trace\n");
406	__WINE_SET_DEBUGGING(__WINE_DBCL_TRACE, __wine_dbch_d3d, 0);
407	}
408	}
409	}
410	#endif
411
412	/* This is disabled, but the code left in for debug purposes.
413	*
414	* Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
415	* we can clear it with some ugly color to make bad drawing visible and ease debugging.
416	* The Debug runtime does the same on Windows. However, a few games do not redraw the
417	* screen properly, like Max Payne 2, which leaves a few pixels undefined.
418	*
419	* Tests show that the content of the back buffer after a discard flip is indeed not
420	* reliable, so no game can depend on the exact content. However, it resembles the
421	* old contents in some way, for example by showing fragments at other locations. In
422	* general, the color theme is still intact. So Max payne, which draws rather dark scenes
423	* gets a dark background image. If we clear it with a bright ugly color, the game's
424	* bug shows up much more than it does on Windows, and the players see single pixels
425	* with wrong colors.
426	* (The Max Payne bug has been confirmed on Windows with the debug runtime)
427	*/
428	if (FALSE && This->presentParms.SwapEffect == WINED3DSWAPEFFECT_DISCARD) {
429	TRACE("Clearing the color buffer with cyan color\n");
430
431	IWineD3DDevice_Clear((IWineD3DDevice *)This->device, 0, NULL,
432	WINED3DCLEAR_TARGET, 0xff00ffff, 1.0f, 0);
433	}
434
435	if(!This->render_to_fbo &&
436	( ((IWineD3DSurfaceImpl *) This->frontBuffer)->Flags & SFLAG_INSYSMEM \|\|
437	((IWineD3DSurfaceImpl *) This->backBuffer[0])->Flags & SFLAG_INSYSMEM ) ) {
438	/* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying
439	* Doesn't work with render_to_fbo because we're not flipping
440	*/
441	IWineD3DSurfaceImpl front = (IWineD3DSurfaceImpl ) This->frontBuffer;
442	IWineD3DSurfaceImpl back = (IWineD3DSurfaceImpl ) This->backBuffer[0];
443
444	if(front->resource.size == back->resource.size) {
445	DWORD fbflags;
446	flip_surface(front, back);
447
448	/* Tell the front buffer surface that is has been modified. However,
449	* the other locations were preserved during that, so keep the flags.
450	* This serves to update the emulated overlay, if any
451	*/
452	fbflags = front->Flags;
453	IWineD3DSurface_ModifyLocation(This->frontBuffer, SFLAG_INDRAWABLE, TRUE);
454	front->Flags = fbflags;
455	} else {
456	IWineD3DSurface_ModifyLocation((IWineD3DSurface *) front, SFLAG_INDRAWABLE, TRUE);
457	IWineD3DSurface_ModifyLocation((IWineD3DSurface *) back, SFLAG_INDRAWABLE, TRUE);
458	}
459	} else {
460	IWineD3DSurface_ModifyLocation(This->frontBuffer, SFLAG_INDRAWABLE, TRUE);
461	/* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
462	* and INTEXTURE copies can keep their old content if they have any defined content.
463	* If the swapeffect is COPY, the content remains the same. If it is FLIP however,
464	* the texture / sysmem copy needs to be reloaded from the drawable
465	*/
466	if(This->presentParms.SwapEffect == WINED3DSWAPEFFECT_FLIP) {
467	IWineD3DSurface_ModifyLocation(This->backBuffer[0], SFLAG_INDRAWABLE, TRUE);
468	}
469	}
470
471	if (This->device->stencilBufferTarget)
472	{
473	if (This->presentParms.Flags & WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
474	\|\| ((IWineD3DSurfaceImpl *)This->device->stencilBufferTarget)->Flags & SFLAG_DISCARD)
475	{
476	surface_modify_ds_location(This->device->stencilBufferTarget, SFLAG_DS_DISCARDED);
477	}
478	}
479
480	if (This->presentParms.PresentationInterval != WINED3DPRESENT_INTERVAL_IMMEDIATE
481	&& context->gl_info->supported[SGI_VIDEO_SYNC])
482	{
483	retval = GL_EXTCALL(glXGetVideoSyncSGI(&sync));
484	if(retval != 0) {
485	ERR("glXGetVideoSyncSGI failed(retval = %d\n", retval);
486	}
487
488	switch(This->presentParms.PresentationInterval) {
489	case WINED3DPRESENT_INTERVAL_DEFAULT:
490	case WINED3DPRESENT_INTERVAL_ONE:
491	if(sync <= This->vSyncCounter) {
492	retval = GL_EXTCALL(glXWaitVideoSyncSGI(1, 0, &This->vSyncCounter));
493	} else {
494	This->vSyncCounter = sync;
495	}
496	break;
497	case WINED3DPRESENT_INTERVAL_TWO:
498	if(sync <= This->vSyncCounter + 1) {
499	retval = GL_EXTCALL(glXWaitVideoSyncSGI(2, This->vSyncCounter & 0x1, &This->vSyncCounter));
500	} else {
501	This->vSyncCounter = sync;
502	}
503	break;
504	case WINED3DPRESENT_INTERVAL_THREE:
505	if(sync <= This->vSyncCounter + 2) {
506	retval = GL_EXTCALL(glXWaitVideoSyncSGI(3, This->vSyncCounter % 0x3, &This->vSyncCounter));
507	} else {
508	This->vSyncCounter = sync;
509	}
510	break;
511	case WINED3DPRESENT_INTERVAL_FOUR:
512	if(sync <= This->vSyncCounter + 3) {
513	retval = GL_EXTCALL(glXWaitVideoSyncSGI(4, This->vSyncCounter & 0x3, &This->vSyncCounter));
514	} else {
515	This->vSyncCounter = sync;
516	}
517	break;
518	default:
519	FIXME("Unknown presentation interval %08x\n", This->presentParms.PresentationInterval);
520	}
521	}
522
523	context_release(context);
524
525	TRACE("returning\n");
526	return WINED3D_OK;
527	}
528
529	static HRESULT WINAPI IWineD3DSwapChainImpl_SetDestWindowOverride(IWineD3DSwapChain *iface, HWND window)
530	{
531	IWineD3DSwapChainImpl swapchain = (IWineD3DSwapChainImpl )iface;
532
533	if (!window) window = swapchain->device_window;
534	if (window == swapchain->win_handle) return WINED3D_OK;
535
536	TRACE("Setting swapchain %p window from %p to %p\n", swapchain, swapchain->win_handle, window);
537	swapchain->win_handle = window;
538
539	return WINED3D_OK;
540	}
541
542	static const IWineD3DSwapChainVtbl IWineD3DSwapChain_Vtbl =
543	{
544	/* IUnknown */
545	IWineD3DBaseSwapChainImpl_QueryInterface,
546	IWineD3DBaseSwapChainImpl_AddRef,
547	IWineD3DBaseSwapChainImpl_Release,
548	/* IWineD3DSwapChain */
549	IWineD3DBaseSwapChainImpl_GetParent,
550	IWineD3DSwapChainImpl_Destroy,
551	IWineD3DBaseSwapChainImpl_GetDevice,
552	IWineD3DSwapChainImpl_Present,
553	IWineD3DSwapChainImpl_SetDestWindowOverride,
554	IWineD3DBaseSwapChainImpl_GetFrontBufferData,
555	IWineD3DBaseSwapChainImpl_GetBackBuffer,
556	IWineD3DBaseSwapChainImpl_GetRasterStatus,
557	IWineD3DBaseSwapChainImpl_GetDisplayMode,
558	IWineD3DBaseSwapChainImpl_GetPresentParameters,
559	IWineD3DBaseSwapChainImpl_SetGammaRamp,
560	IWineD3DBaseSwapChainImpl_GetGammaRamp
561	};
562
563	static LONG fullscreen_style(LONG style)
564	{
565	/* Make sure the window is managed, otherwise we won't get keyboard input. */
566	style \|= WS_POPUP \| WS_SYSMENU;
567	style &= ~(WS_CAPTION \| WS_THICKFRAME);
568
569	return style;
570	}
571
572	static LONG fullscreen_exstyle(LONG exstyle)
573	{
574	/* Filter out window decorations. */
575	exstyle &= ~(WS_EX_WINDOWEDGE \| WS_EX_CLIENTEDGE);
576
577	return exstyle;
578	}
579
580	void swapchain_setup_fullscreen_window(IWineD3DSwapChainImpl *swapchain, UINT w, UINT h)
581	{
582	IWineD3DDeviceImpl *device = swapchain->device;
583	HWND window = swapchain->device_window;
584	BOOL filter_messages;
585	LONG style, exstyle;
586
587	TRACE("Setting up window %p for fullscreen mode.\n", window);
588
589	if (device->style \|\| device->exStyle)
590	{
591	ERR("Changing the window style for window %p, but another style (%08x, %08x) is already stored.\n",
592	window, device->style, device->exStyle);
593	}
594
595	device->style = GetWindowLongW(window, GWL_STYLE);
596	device->exStyle = GetWindowLongW(window, GWL_EXSTYLE);
597
598	style = fullscreen_style(device->style);
599	exstyle = fullscreen_exstyle(device->exStyle);
600
601	TRACE("Old style was %08x, %08x, setting to %08x, %08x.\n",
602	device->style, device->exStyle, style, exstyle);
603
604	filter_messages = device->filter_messages;
605	device->filter_messages = TRUE;
606
607	SetWindowLongW(window, GWL_STYLE, style);
608	SetWindowLongW(window, GWL_EXSTYLE, exstyle);
609	SetWindowPos(window, HWND_TOP, 0, 0, w, h, SWP_FRAMECHANGED \| SWP_SHOWWINDOW \| SWP_NOACTIVATE);
610
611	device->filter_messages = filter_messages;
612	}
613
614	void swapchain_restore_fullscreen_window(IWineD3DSwapChainImpl *swapchain)
615	{
616	IWineD3DDeviceImpl *device = swapchain->device;
617	HWND window = swapchain->device_window;
618	BOOL filter_messages;
619	LONG style, exstyle;
620
621	if (!device->style && !device->exStyle) return;
622
623	TRACE("Restoring window style of window %p to %08x, %08x.\n",
624	window, device->style, device->exStyle);
625
626	style = GetWindowLongW(window, GWL_STYLE);
627	exstyle = GetWindowLongW(window, GWL_EXSTYLE);
628
629	filter_messages = device->filter_messages;
630	device->filter_messages = TRUE;
631
632	/* Only restore the style if the application didn't modify it during the
633	* fullscreen phase. Some applications change it before calling Reset()
634	* when switching between windowed and fullscreen modes (HL2), some
635	* depend on the original style (Eve Online). */
636	if (style == fullscreen_style(device->style) && exstyle == fullscreen_exstyle(device->exStyle))
637	{
638	SetWindowLongW(window, GWL_STYLE, device->style);
639	SetWindowLongW(window, GWL_EXSTYLE, device->exStyle);
640	}
641	SetWindowPos(window, 0, 0, 0, 0, 0, SWP_FRAMECHANGED \| SWP_NOMOVE \| SWP_NOSIZE \| SWP_NOZORDER);
642
643	device->filter_messages = filter_messages;
644
645	/* Delete the old values. */
646	device->style = 0;
647	device->exStyle = 0;
648	}
649
650
651	HRESULT swapchain_init(IWineD3DSwapChainImpl *swapchain, WINED3DSURFTYPE surface_type,
652	IWineD3DDeviceImpl device, WINED3DPRESENT_PARAMETERS present_parameters, IUnknown *parent)
653	{
654	const struct wined3d_adapter *adapter = device->adapter;
655	const struct wined3d_format_desc *format_desc;
656	BOOL displaymode_set = FALSE;
657	WINED3DDISPLAYMODE mode;
658	RECT client_rect;
659	HWND window;
660	HRESULT hr;
661	UINT i;
662
663	if (present_parameters->BackBufferCount > WINED3DPRESENT_BACK_BUFFER_MAX)
664	{
665	FIXME("The application requested %u back buffers, this is not supported.\n",
666	present_parameters->BackBufferCount);
667	return WINED3DERR_INVALIDCALL;
668	}
669
670	if (present_parameters->BackBufferCount > 1)
671	{
672	FIXME("The application requested more than one back buffer, this is not properly supported.\n"
673	"Please configure the application to use double buffering (1 back buffer) if possible.\n");
674	}
675
676	switch (surface_type)
677	{
678	case SURFACE_GDI:
679	swapchain->lpVtbl = &IWineGDISwapChain_Vtbl;
680	break;
681
682	case SURFACE_OPENGL:
683	swapchain->lpVtbl = &IWineD3DSwapChain_Vtbl;
684	break;
685
686	case SURFACE_UNKNOWN:
687	FIXME("Caller tried to create a SURFACE_UNKNOWN swapchain.\n");
688	return WINED3DERR_INVALIDCALL;
689	}
690
691	window = present_parameters->hDeviceWindow ? present_parameters->hDeviceWindow : device->createParms.hFocusWindow;
692
693	swapchain->device = device;
694	swapchain->parent = parent;
695	swapchain->ref = 1;
696	swapchain->win_handle = window;
697	swapchain->device_window = window;
698
699	if (!present_parameters->Windowed && window)
700	{
701	swapchain_setup_fullscreen_window(swapchain, present_parameters->BackBufferWidth,
702	present_parameters->BackBufferHeight);
703	}
704
705	IWineD3D_GetAdapterDisplayMode(device->wined3d, adapter->ordinal, &mode);
706	swapchain->orig_width = mode.Width;
707	swapchain->orig_height = mode.Height;
708	swapchain->orig_fmt = mode.Format;
709	format_desc = getFormatDescEntry(mode.Format, &adapter->gl_info);
710
711	GetClientRect(window, &client_rect);
712	if (present_parameters->Windowed
713	&& (!present_parameters->BackBufferWidth \|\| !present_parameters->BackBufferHeight
714	\|\| present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN))
715	{
716
717	if (!present_parameters->BackBufferWidth)
718	{
719	present_parameters->BackBufferWidth = client_rect.right;
720	TRACE("Updating width to %u.\n", present_parameters->BackBufferWidth);
721	}
722
723	if (!present_parameters->BackBufferHeight)
724	{
725	present_parameters->BackBufferHeight = client_rect.bottom;
726	TRACE("Updating height to %u.\n", present_parameters->BackBufferHeight);
727	}
728
729	if (present_parameters->BackBufferFormat == WINED3DFMT_UNKNOWN)
730	{
731	present_parameters->BackBufferFormat = swapchain->orig_fmt;
732	TRACE("Updating format to %s.\n", debug_d3dformat(swapchain->orig_fmt));
733	}
734	}
735	swapchain->presentParms = *present_parameters;
736
737	if (wined3d_settings.offscreen_rendering_mode == ORM_FBO
738	&& present_parameters->BackBufferCount
739	&& (present_parameters->BackBufferWidth != client_rect.right
740	\|\| present_parameters->BackBufferHeight != client_rect.bottom))
741	{
742	TRACE("Rendering to FBO. Backbuffer %ux%u, window %ux%u.\n",
743	present_parameters->BackBufferWidth,
744	present_parameters->BackBufferHeight,
745	client_rect.right, client_rect.bottom);
746	swapchain->render_to_fbo = TRUE;
747	}
748
749	TRACE("Creating front buffer.\n");
750	hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
751	swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
752	swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
753	swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */, &swapchain->frontBuffer);
754	if (FAILED(hr))
755	{
756	WARN("Failed to create front buffer, hr %#x.\n", hr);
757	goto err;
758	}
759
760	IWineD3DSurface_SetContainer(swapchain->frontBuffer, (IWineD3DBase *)swapchain);
761	((IWineD3DSurfaceImpl *)swapchain->frontBuffer)->Flags \|= SFLAG_SWAPCHAIN;
762	if (surface_type == SURFACE_OPENGL)
763	{
764	IWineD3DSurface_ModifyLocation(swapchain->frontBuffer, SFLAG_INDRAWABLE, TRUE);
765	}
766
767	/* MSDN says we're only allowed a single fullscreen swapchain per device,
768	* so we should really check to see if there is a fullscreen swapchain
769	* already. Does a single head count as full screen? */
770
771	if (!present_parameters->Windowed)
772	{
773	WINED3DDISPLAYMODE mode;
774
775	/* Change the display settings */
776	mode.Width = present_parameters->BackBufferWidth;
777	mode.Height = present_parameters->BackBufferHeight;
778	mode.Format = present_parameters->BackBufferFormat;
779	mode.RefreshRate = present_parameters->FullScreen_RefreshRateInHz;
780
781	hr = IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)device, 0, &mode);
782	if (FAILED(hr))
783	{
784	WARN("Failed to set display mode, hr %#x.\n", hr);
785	goto err;
786	}
787	displaymode_set = TRUE;
788	}
789
790	swapchain->context = HeapAlloc(GetProcessHeap(), 0, sizeof(swapchain->context));
791	if (!swapchain->context)
792	{
793	ERR("Failed to create the context array.\n");
794	hr = E_OUTOFMEMORY;
795	goto err;
796	}
797	swapchain->num_contexts = 1;
798
799	if (surface_type == SURFACE_OPENGL)
800	{
801	const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
802
803	/* In WGL both color, depth and stencil are features of a pixel format. In case of D3D they are separate.
804	* You are able to add a depth + stencil surface at a later stage when you need it.
805	* In order to support this properly in WineD3D we need the ability to recreate the opengl context and
806	* drawable when this is required. This is very tricky as we need to reapply ALL opengl states for the new
807	* context, need torecreate shaders, textures and other resources.
808	*
809	* The context manager already takes care of the state problem and for the other tasks code from Reset
810	* can be used. These changes are way to risky during the 1.0 code freeze which is taking place right now.
811	* Likely a lot of other new bugs will be exposed. For that reason request a depth stencil surface all the
812	* time. It can cause a slight performance hit but fixes a lot of regressions. A fixme reminds of that this
813	* issue needs to be fixed. */
814	if (!present_parameters->EnableAutoDepthStencil
815	\|\| swapchain->presentParms.AutoDepthStencilFormat != WINED3DFMT_D24_UNORM_S8_UINT)
816	{
817	FIXME("Add OpenGL context recreation support to context_validate_onscreen_formats\n");
818	}
819	swapchain->ds_format = getFormatDescEntry(WINED3DFMT_D24_UNORM_S8_UINT, gl_info);
820	swapchain->context[0] = context_create(swapchain, (IWineD3DSurfaceImpl *)swapchain->frontBuffer,
821	swapchain->ds_format);
822	if (!swapchain->context[0])
823	{
824	WARN("Failed to create context.\n");
825	hr = WINED3DERR_NOTAVAILABLE;
826	goto err;
827	}
828	context_release(swapchain->context[0]);
829	}
830	else
831	{
832	swapchain->context[0] = NULL;
833	}
834
835	if (swapchain->presentParms.BackBufferCount > 0)
836	{
837	swapchain->backBuffer = HeapAlloc(GetProcessHeap(), 0,
838	sizeof(swapchain->backBuffer) swapchain->presentParms.BackBufferCount);
839	if (!swapchain->backBuffer)
840	{
841	ERR("Failed to allocate backbuffer array memory.\n");
842	hr = E_OUTOFMEMORY;
843	goto err;
844	}
845
846	for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
847	{
848	TRACE("Creating back buffer %u.\n", i);
849	hr = IWineD3DDeviceParent_CreateRenderTarget(device->device_parent, parent,
850	swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
851	swapchain->presentParms.BackBufferFormat, swapchain->presentParms.MultiSampleType,
852	swapchain->presentParms.MultiSampleQuality, TRUE /* Lockable */, &swapchain->backBuffer[i]);
853	if (FAILED(hr))
854	{
855	WARN("Failed to create back buffer %u, hr %#x.\n", i, hr);
856	goto err;
857	}
858
859	IWineD3DSurface_SetContainer(swapchain->backBuffer[i], (IWineD3DBase *)swapchain);
860	((IWineD3DSurfaceImpl *)swapchain->backBuffer[i])->Flags \|= SFLAG_SWAPCHAIN;
861	}
862	}
863
864	/* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
865	if (present_parameters->EnableAutoDepthStencil && surface_type == SURFACE_OPENGL)
866	{
867	TRACE("Creating depth/stencil buffer.\n");
868	if (!device->auto_depth_stencil_buffer)
869	{
870	hr = IWineD3DDeviceParent_CreateDepthStencilSurface(device->device_parent, parent,
871	swapchain->presentParms.BackBufferWidth, swapchain->presentParms.BackBufferHeight,
872	swapchain->presentParms.AutoDepthStencilFormat, swapchain->presentParms.MultiSampleType,
873	swapchain->presentParms.MultiSampleQuality, FALSE /* FIXME: Discard */,
874	&device->auto_depth_stencil_buffer);
875	if (FAILED(hr))
876	{
877	WARN("Failed to create the auto depth stencil, hr %#x.\n", hr);
878	goto err;
879	}
880
881	IWineD3DSurface_SetContainer(device->auto_depth_stencil_buffer, NULL);
882	}
883	}
884
885	IWineD3DSwapChain_GetGammaRamp((IWineD3DSwapChain *)swapchain, &swapchain->orig_gamma);
886
887	return WINED3D_OK;
888
889	err:
890	if (displaymode_set)
891	{
892	DEVMODEW devmode;
893
894	ClipCursor(NULL);
895
896	/* Change the display settings */
897	memset(&devmode, 0, sizeof(devmode));
898	devmode.dmSize = sizeof(devmode);
899	devmode.dmFields = DM_BITSPERPEL \| DM_PELSWIDTH \| DM_PELSHEIGHT;
900	devmode.dmBitsPerPel = format_desc->byte_count * 8;
901	devmode.dmPelsWidth = swapchain->orig_width;
902	devmode.dmPelsHeight = swapchain->orig_height;
903	ChangeDisplaySettingsExW(adapter->DeviceName, &devmode, NULL, CDS_FULLSCREEN, NULL);
904	}
905
906	if (swapchain->backBuffer)
907	{
908	for (i = 0; i < swapchain->presentParms.BackBufferCount; ++i)
909	{
910	if (swapchain->backBuffer[i]) IWineD3DSurface_Release(swapchain->backBuffer[i]);
911	}
912	HeapFree(GetProcessHeap(), 0, swapchain->backBuffer);
913	}
914
915	if (swapchain->context)
916	{
917	if (swapchain->context[0])
918	{
919	context_release(swapchain->context[0]);
920	context_destroy(device, swapchain->context[0]);
921	swapchain->num_contexts = 0;
922	}
923	HeapFree(GetProcessHeap(), 0, swapchain->context);
924	}
925
926	if (swapchain->frontBuffer) IWineD3DSurface_Release(swapchain->frontBuffer);
927
928	return hr;
929	}
930
931	struct wined3d_context swapchain_create_context_for_thread(IWineD3DSwapChain iface)
932	{
933	IWineD3DSwapChainImpl This = (IWineD3DSwapChainImpl ) iface;
934	struct wined3d_context **newArray;
935	struct wined3d_context *ctx;
936
937	TRACE("Creating a new context for swapchain %p, thread %d\n", This, GetCurrentThreadId());
938
939	if (!(ctx = context_create(This, (IWineD3DSurfaceImpl *)This->frontBuffer, This->ds_format)))
940	{
941	ERR("Failed to create a new context for the swapchain\n");
942	return NULL;
943	}
944	context_release(ctx);
945
946	newArray = HeapAlloc(GetProcessHeap(), 0, sizeof(newArray) This->num_contexts + 1);
947	if(!newArray) {
948	ERR("Out of memory when trying to allocate a new context array\n");
949	context_destroy(This->device, ctx);
950	return NULL;
951	}
952	memcpy(newArray, This->context, sizeof(newArray) This->num_contexts);
953	HeapFree(GetProcessHeap(), 0, This->context);
954	newArray[This->num_contexts] = ctx;
955	This->context = newArray;
956	This->num_contexts++;
957
958	TRACE("Returning context %p\n", ctx);
959	return ctx;
960	}
961
962	void get_drawable_size_swapchain(struct wined3d_context context, UINT width, UINT *height)
963	{
964	IWineD3DSurfaceImpl surface = (IWineD3DSurfaceImpl )context->current_rt;
965	/* The drawable size of an onscreen drawable is the surface size.
966	* (Actually: The window size, but the surface is created in window size) */
967	*width = surface->currentDesc.Width;
968	*height = surface->currentDesc.Height;
969	}

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source: vbox/trunk/src/VBox/Additions/WINNT/Graphics/Wine/wined3d/swapchain.c@ 30585

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