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
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.
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.
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
24 #include "wine/port.h"
25 #include "wined3d_private.h"
27 WINE_DEFAULT_DEBUG_CHANNEL(d3d
);
28 WINE_DECLARE_DEBUG_CHANNEL(fps
);
30 /* Do not call while under the GL lock. */
31 static void swapchain_cleanup(struct wined3d_swapchain
*swapchain
)
33 struct wined3d_display_mode mode
;
37 TRACE("Destroying swapchain %p.\n", swapchain
);
39 wined3d_swapchain_set_gamma_ramp(swapchain
, 0, &swapchain
->orig_gamma
);
41 /* Release the swapchain's draw buffers. Make sure swapchain->back_buffers[0]
42 * is the last buffer to be destroyed, FindContext() depends on that. */
43 if (swapchain
->front_buffer
)
45 surface_set_container(swapchain
->front_buffer
, WINED3D_CONTAINER_NONE
, NULL
);
46 if (wined3d_surface_decref(swapchain
->front_buffer
))
47 WARN("Something's still holding the front buffer (%p).\n", swapchain
->front_buffer
);
48 swapchain
->front_buffer
= NULL
;
51 if (swapchain
->back_buffers
)
53 i
= swapchain
->desc
.backbuffer_count
;
57 surface_set_container(swapchain
->back_buffers
[i
], WINED3D_CONTAINER_NONE
, NULL
);
58 if (wined3d_surface_decref(swapchain
->back_buffers
[i
]))
59 WARN("Something's still holding back buffer %u (%p).\n", i
, swapchain
->back_buffers
[i
]);
61 HeapFree(GetProcessHeap(), 0, swapchain
->back_buffers
);
62 swapchain
->back_buffers
= NULL
;
65 for (i
= 0; i
< swapchain
->num_contexts
; ++i
)
67 context_destroy(swapchain
->device
, swapchain
->context
[i
]);
69 HeapFree(GetProcessHeap(), 0, swapchain
->context
);
71 /* Restore the screen resolution if we rendered in fullscreen.
72 * This will restore the screen resolution to what it was before creating
73 * the swapchain. In case of d3d8 and d3d9 this will be the original
74 * desktop resolution. In case of d3d7 this will be a NOP because ddraw
75 * sets the resolution before starting up Direct3D, thus orig_width and
76 * orig_height will be equal to the modes in the presentation params. */
77 if (!swapchain
->desc
.windowed
&& swapchain
->desc
.auto_restore_display_mode
)
79 mode
.width
= swapchain
->orig_width
;
80 mode
.height
= swapchain
->orig_height
;
81 mode
.refresh_rate
= 0;
82 mode
.format_id
= swapchain
->orig_fmt
;
83 mode
.scanline_ordering
= WINED3D_SCANLINE_ORDERING_UNKNOWN
;
84 if (FAILED(hr
= wined3d_set_adapter_display_mode(swapchain
->device
->wined3d
,
85 swapchain
->device
->adapter
->ordinal
, &mode
)))
86 ERR("Failed to restore display mode, hr %#x.\n", hr
);
89 if (swapchain
->backup_dc
)
91 TRACE("Destroying backup wined3d window %p, dc %p.\n", swapchain
->backup_wnd
, swapchain
->backup_dc
);
93 ReleaseDC(swapchain
->backup_wnd
, swapchain
->backup_dc
);
94 DestroyWindow(swapchain
->backup_wnd
);
98 ULONG CDECL
wined3d_swapchain_incref(struct wined3d_swapchain
*swapchain
)
100 ULONG refcount
= InterlockedIncrement(&swapchain
->ref
);
102 TRACE("%p increasing refcount to %u.\n", swapchain
, refcount
);
107 /* Do not call while under the GL lock. */
108 ULONG CDECL
wined3d_swapchain_decref(struct wined3d_swapchain
*swapchain
)
110 ULONG refcount
= InterlockedDecrement(&swapchain
->ref
);
112 TRACE("%p decreasing refcount to %u.\n", swapchain
, refcount
);
116 swapchain_cleanup(swapchain
);
117 swapchain
->parent_ops
->wined3d_object_destroyed(swapchain
->parent
);
118 HeapFree(GetProcessHeap(), 0, swapchain
);
124 void * CDECL
wined3d_swapchain_get_parent(const struct wined3d_swapchain
*swapchain
)
126 TRACE("swapchain %p.\n", swapchain
);
128 return swapchain
->parent
;
131 HRESULT CDECL
wined3d_swapchain_set_window(struct wined3d_swapchain
*swapchain
, HWND window
)
134 window
= swapchain
->device_window
;
135 if (window
== swapchain
->win_handle
)
138 TRACE("Setting swapchain %p window from %p to %p.\n",
139 swapchain
, swapchain
->win_handle
, window
);
140 swapchain
->win_handle
= window
;
145 HRESULT CDECL
wined3d_swapchain_present(struct wined3d_swapchain
*swapchain
,
146 const RECT
*src_rect
, const RECT
*dst_rect
, HWND dst_window_override
,
147 const RGNDATA
*dirty_region
, DWORD flags
)
149 TRACE("swapchain %p, src_rect %s, dst_rect %s, dst_window_override %p, dirty_region %p, flags %#x.\n",
150 swapchain
, wine_dbgstr_rect(src_rect
), wine_dbgstr_rect(dst_rect
),
151 dst_window_override
, dirty_region
, flags
);
153 if (!swapchain
->back_buffers
)
155 WARN("Swapchain doesn't have a backbuffer, returning WINED3DERR_INVALIDCALL\n");
156 return WINED3DERR_INVALIDCALL
;
159 wined3d_swapchain_set_window(swapchain
, dst_window_override
);
161 swapchain
->swapchain_ops
->swapchain_present(swapchain
, src_rect
, dst_rect
, dirty_region
, flags
);
166 HRESULT CDECL
wined3d_swapchain_get_front_buffer_data(const struct wined3d_swapchain
*swapchain
,
167 struct wined3d_surface
*dst_surface
)
169 struct wined3d_surface
*src_surface
;
170 RECT src_rect
, dst_rect
;
172 TRACE("swapchain %p, dst_surface %p.\n", swapchain
, dst_surface
);
174 src_surface
= swapchain
->front_buffer
;
175 SetRect(&src_rect
, 0, 0, src_surface
->resource
.width
, src_surface
->resource
.height
);
178 if (swapchain
->desc
.windowed
)
180 MapWindowPoints(swapchain
->win_handle
, NULL
, (POINT
*)&dst_rect
, 2);
181 FIXME("Using destination rect %s in windowed mode, this is likely wrong.\n",
182 wine_dbgstr_rect(&dst_rect
));
185 return wined3d_surface_blt(dst_surface
, &dst_rect
, src_surface
, &src_rect
, 0, NULL
, WINED3D_TEXF_POINT
);
188 HRESULT CDECL
wined3d_swapchain_get_back_buffer(const struct wined3d_swapchain
*swapchain
,
189 UINT back_buffer_idx
, enum wined3d_backbuffer_type type
, struct wined3d_surface
**back_buffer
)
191 TRACE("swapchain %p, back_buffer_idx %u, type %#x, back_buffer %p.\n",
192 swapchain
, back_buffer_idx
, type
, back_buffer
);
194 /* Return invalid if there is no backbuffer array, otherwise it will
195 * crash when ddraw is used (there swapchain->back_buffers is always
196 * NULL). We need this because this function is called from
197 * stateblock_init_default_state() to get the default scissorrect
199 if (!swapchain
->back_buffers
|| back_buffer_idx
>= swapchain
->desc
.backbuffer_count
)
201 WARN("Invalid back buffer index.\n");
202 /* Native d3d9 doesn't set NULL here, just as wine's d3d9. But set it
203 * here in wined3d to avoid problems in other libs. */
205 return WINED3DERR_INVALIDCALL
;
208 *back_buffer
= swapchain
->back_buffers
[back_buffer_idx
];
210 wined3d_surface_incref(*back_buffer
);
212 TRACE("Returning back buffer %p.\n", *back_buffer
);
217 HRESULT CDECL
wined3d_swapchain_get_raster_status(const struct wined3d_swapchain
*swapchain
,
218 struct wined3d_raster_status
*raster_status
)
221 LARGE_INTEGER counter
, freq_per_sec
;
222 LONGLONG freq_per_frame
, freq_per_line
;
223 struct wined3d_display_mode mode
;
225 /* No OpenGL equivalent */
228 FIXME("swapchain %p, raster_status %p semi-stub!\n", swapchain
, raster_status
);
232 /* Obtaining the raster status is a widely implemented but optional
233 * feature. When this method returns OK StarCraft 2 expects the
234 * raster_status->InVBlank value to actually change over time.
235 * And Endless Alice Crysis doesn't care even if this method fails.
236 * Thus this method returns OK and fakes raster_status by
237 * QueryPerformanceCounter. */
239 if (!QueryPerformanceCounter(&counter
) || !QueryPerformanceFrequency(&freq_per_sec
))
240 return WINED3DERR_INVALIDCALL
;
242 if (FAILED(wined3d_swapchain_get_display_mode(swapchain
, &mode
, NULL
)))
243 return WINED3DERR_INVALIDCALL
;
244 if (mode
.refresh_rate
== DEFAULT_REFRESH_RATE
)
245 mode
.refresh_rate
= 60;
247 freq_per_frame
= freq_per_sec
.QuadPart
/ mode
.refresh_rate
;
248 /* Assume 20 scan lines in the vertical blank */
249 freq_per_line
= freq_per_frame
/ (mode
.height
+ 20);
250 raster_status
->scan_line
= (counter
.QuadPart
% freq_per_frame
) / freq_per_line
;
251 if (raster_status
->scan_line
< mode
.height
)
252 raster_status
->in_vblank
= FALSE
;
255 raster_status
->scan_line
= 0;
256 raster_status
->in_vblank
= TRUE
;
258 TRACE("Returning fake value, in_vblank %u, scan_line %u.\n",
259 raster_status
->in_vblank
, raster_status
->scan_line
);
263 HRESULT CDECL
wined3d_swapchain_get_display_mode(const struct wined3d_swapchain
*swapchain
,
264 struct wined3d_display_mode
*mode
, enum wined3d_display_rotation
*rotation
)
268 TRACE("swapchain %p, mode %p, rotation %p.\n", swapchain
, mode
, rotation
);
270 hr
= wined3d_get_adapter_display_mode(swapchain
->device
->wined3d
,
271 swapchain
->device
->adapter
->ordinal
, mode
, rotation
);
273 TRACE("Returning w %u, h %u, refresh rate %u, format %s.\n",
274 mode
->width
, mode
->height
, mode
->refresh_rate
, debug_d3dformat(mode
->format_id
));
279 struct wined3d_device
* CDECL
wined3d_swapchain_get_device(const struct wined3d_swapchain
*swapchain
)
281 TRACE("swapchain %p.\n", swapchain
);
283 return swapchain
->device
;
286 HRESULT CDECL
wined3d_swapchain_get_desc(const struct wined3d_swapchain
*swapchain
,
287 struct wined3d_swapchain_desc
*desc
)
289 TRACE("swapchain %p, desc %p.\n", swapchain
, desc
);
291 *desc
= swapchain
->desc
;
296 HRESULT CDECL
wined3d_swapchain_set_gamma_ramp(const struct wined3d_swapchain
*swapchain
,
297 DWORD flags
, const struct wined3d_gamma_ramp
*ramp
)
301 TRACE("swapchain %p, flags %#x, ramp %p.\n", swapchain
, flags
, ramp
);
304 FIXME("Ignoring flags %#x.\n", flags
);
306 dc
= GetDC(swapchain
->device_window
);
307 SetDeviceGammaRamp(dc
, (void *)ramp
);
308 ReleaseDC(swapchain
->device_window
, dc
);
313 HRESULT CDECL
wined3d_swapchain_get_gamma_ramp(const struct wined3d_swapchain
*swapchain
,
314 struct wined3d_gamma_ramp
*ramp
)
318 TRACE("swapchain %p, ramp %p.\n", swapchain
, ramp
);
320 dc
= GetDC(swapchain
->device_window
);
321 GetDeviceGammaRamp(dc
, ramp
);
322 ReleaseDC(swapchain
->device_window
, dc
);
327 /* A GL context is provided by the caller */
328 static void swapchain_blit(const struct wined3d_swapchain
*swapchain
,
329 struct wined3d_context
*context
, const RECT
*src_rect
, const RECT
*dst_rect
)
331 struct wined3d_surface
*backbuffer
= swapchain
->back_buffers
[0];
332 UINT src_w
= src_rect
->right
- src_rect
->left
;
333 UINT src_h
= src_rect
->bottom
- src_rect
->top
;
335 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
339 TRACE("swapchain %p, context %p, src_rect %s, dst_rect %s.\n",
340 swapchain
, context
, wine_dbgstr_rect(src_rect
), wine_dbgstr_rect(dst_rect
));
342 if (src_w
== dst_rect
->right
- dst_rect
->left
&& src_h
== dst_rect
->bottom
- dst_rect
->top
)
343 gl_filter
= GL_NEAREST
;
345 gl_filter
= GL_LINEAR
;
347 GetClientRect(swapchain
->win_handle
, &win_rect
);
348 win_h
= win_rect
.bottom
- win_rect
.top
;
350 if (gl_info
->fbo_ops
.glBlitFramebuffer
&& is_identity_fixup(backbuffer
->resource
.format
->color_fixup
))
352 DWORD location
= SFLAG_INTEXTURE
;
354 if (backbuffer
->resource
.multisample_type
)
356 location
= SFLAG_INRB_RESOLVED
;
357 surface_load_location(backbuffer
, location
, NULL
);
361 context_apply_fbo_state_blit(context
, GL_READ_FRAMEBUFFER
, backbuffer
, NULL
, location
);
362 glReadBuffer(GL_COLOR_ATTACHMENT0
);
363 context_check_fbo_status(context
, GL_READ_FRAMEBUFFER
);
365 context_apply_fbo_state_blit(context
, GL_DRAW_FRAMEBUFFER
, swapchain
->front_buffer
, NULL
, SFLAG_INDRAWABLE
);
366 context_set_draw_buffer(context
, GL_BACK
);
367 context_invalidate_state(context
, STATE_FRAMEBUFFER
);
369 glColorMask(GL_TRUE
, GL_TRUE
, GL_TRUE
, GL_TRUE
);
370 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE
));
371 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE1
));
372 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE2
));
373 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE3
));
375 glDisable(GL_SCISSOR_TEST
);
376 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_SCISSORTESTENABLE
));
378 /* Note that the texture is upside down */
379 gl_info
->fbo_ops
.glBlitFramebuffer(src_rect
->left
, src_rect
->top
, src_rect
->right
, src_rect
->bottom
,
380 dst_rect
->left
, win_h
- dst_rect
->top
, dst_rect
->right
, win_h
- dst_rect
->bottom
,
381 GL_COLOR_BUFFER_BIT
, gl_filter
);
382 checkGLcall("Swapchain present blit(EXT_framebuffer_blit)\n");
387 struct wined3d_device
*device
= swapchain
->device
;
388 struct wined3d_context
*context2
;
389 float tex_left
= src_rect
->left
;
390 float tex_top
= src_rect
->top
;
391 float tex_right
= src_rect
->right
;
392 float tex_bottom
= src_rect
->bottom
;
394 context2
= context_acquire(device
, swapchain
->back_buffers
[0]);
395 context_apply_blit_state(context2
, device
);
397 if (backbuffer
->flags
& SFLAG_NORMCOORD
)
405 if (is_complex_fixup(backbuffer
->resource
.format
->color_fixup
))
406 gl_filter
= GL_NEAREST
;
409 context_apply_fbo_state_blit(context2
, GL_FRAMEBUFFER
, swapchain
->front_buffer
, NULL
, SFLAG_INDRAWABLE
);
411 /* Set up the texture. The surface is not in a wined3d_texture
412 * container, so there are no D3D texture settings to dirtify. */
413 device
->blitter
->set_shader(device
->blit_priv
, context2
, backbuffer
);
414 glTexParameteri(backbuffer
->texture_target
, GL_TEXTURE_MIN_FILTER
, gl_filter
);
415 glTexParameteri(backbuffer
->texture_target
, GL_TEXTURE_MAG_FILTER
, gl_filter
);
417 context_set_draw_buffer(context
, GL_BACK
);
419 /* Set the viewport to the destination rectandle, disable any projection
420 * transformation set up by context_apply_blit_state(), and draw a
421 * (-1,-1)-(1,1) quad.
423 * Back up viewport and matrix to avoid breaking last_was_blit
425 * Note that context_apply_blit_state() set up viewport and ortho to
426 * match the surface size - we want the GL drawable(=window) size. */
427 glPushAttrib(GL_VIEWPORT_BIT
);
428 glViewport(dst_rect
->left
, win_h
- dst_rect
->bottom
, dst_rect
->right
, win_h
- dst_rect
->top
);
429 glMatrixMode(GL_PROJECTION
);
435 glTexCoord2f(tex_left
, tex_bottom
);
439 glTexCoord2f(tex_left
, tex_top
);
443 glTexCoord2f(tex_right
, tex_top
);
447 glTexCoord2f(tex_right
, tex_bottom
);
454 device
->blitter
->unset_shader(context
->gl_info
);
455 checkGLcall("Swapchain present blit(manual)\n");
458 context_release(context2
);
462 static void swapchain_gl_present(struct wined3d_swapchain
*swapchain
, const RECT
*src_rect_in
,
463 const RECT
*dst_rect_in
, const RGNDATA
*dirty_region
, DWORD flags
)
465 struct wined3d_surface
*back_buffer
= swapchain
->back_buffers
[0];
466 const struct wined3d_fb_state
*fb
= &swapchain
->device
->fb
;
467 const struct wined3d_gl_info
*gl_info
;
468 struct wined3d_context
*context
;
469 RECT src_rect
, dst_rect
;
472 context
= context_acquire(swapchain
->device
, back_buffer
);
475 context_release(context
);
476 WARN("Invalid context, skipping present.\n");
480 gl_info
= context
->gl_info
;
482 /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
483 if (swapchain
->device
->bCursorVisible
&&
484 swapchain
->device
->cursorTexture
&&
485 !swapchain
->device
->hardwareCursor
)
487 struct wined3d_surface cursor
;
490 swapchain
->device
->xScreenSpace
- swapchain
->device
->xHotSpot
,
491 swapchain
->device
->yScreenSpace
- swapchain
->device
->yHotSpot
,
492 swapchain
->device
->xScreenSpace
+ swapchain
->device
->cursorWidth
- swapchain
->device
->xHotSpot
,
493 swapchain
->device
->yScreenSpace
+ swapchain
->device
->cursorHeight
- swapchain
->device
->yHotSpot
,
495 TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor
);
496 /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
497 * the application because we are only supposed to copy the information out. Using a fake surface
498 * allows us to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
500 memset(&cursor
, 0, sizeof(cursor
));
501 cursor
.resource
.ref
= 1;
502 cursor
.resource
.device
= swapchain
->device
;
503 cursor
.resource
.pool
= WINED3D_POOL_SCRATCH
;
504 cursor
.resource
.format
= wined3d_get_format(gl_info
, WINED3DFMT_B8G8R8A8_UNORM
);
505 cursor
.resource
.type
= WINED3D_RTYPE_SURFACE
;
506 cursor
.texture_name
= swapchain
->device
->cursorTexture
;
507 cursor
.texture_target
= GL_TEXTURE_2D
;
508 cursor
.texture_level
= 0;
509 cursor
.resource
.width
= swapchain
->device
->cursorWidth
;
510 cursor
.resource
.height
= swapchain
->device
->cursorHeight
;
511 /* The cursor must have pow2 sizes */
512 cursor
.pow2Width
= cursor
.resource
.width
;
513 cursor
.pow2Height
= cursor
.resource
.height
;
514 /* The surface is in the texture */
515 cursor
.flags
|= SFLAG_INTEXTURE
;
516 /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
517 * which is exactly what we want :-)
519 if (swapchain
->desc
.windowed
)
520 MapWindowPoints(NULL
, swapchain
->win_handle
, (POINT
*)&destRect
, 2);
521 wined3d_surface_blt(back_buffer
, &destRect
, &cursor
, NULL
, WINEDDBLT_KEYSRC
,
522 NULL
, WINED3D_TEXF_POINT
);
525 if (swapchain
->device
->logo_surface
)
527 struct wined3d_surface
*src_surface
= swapchain
->device
->logo_surface
;
528 RECT rect
= {0, 0, src_surface
->resource
.width
, src_surface
->resource
.height
};
530 /* Blit the logo into the upper left corner of the drawable. */
531 wined3d_surface_blt(back_buffer
, &rect
, src_surface
, &rect
, WINEDDBLT_KEYSRC
,
532 NULL
, WINED3D_TEXF_POINT
);
535 TRACE("Presenting HDC %p.\n", context
->hdc
);
537 render_to_fbo
= swapchain
->render_to_fbo
;
541 src_rect
= *src_rect_in
;
542 if (!render_to_fbo
&& (src_rect
.left
|| src_rect
.top
543 || src_rect
.right
!= swapchain
->desc
.backbuffer_width
544 || src_rect
.bottom
!= swapchain
->desc
.backbuffer_height
))
546 render_to_fbo
= TRUE
;
553 src_rect
.right
= swapchain
->desc
.backbuffer_width
;
554 src_rect
.bottom
= swapchain
->desc
.backbuffer_height
;
558 dst_rect
= *dst_rect_in
;
560 GetClientRect(swapchain
->win_handle
, &dst_rect
);
562 if (!render_to_fbo
&& (dst_rect
.left
|| dst_rect
.top
563 || dst_rect
.right
!= swapchain
->desc
.backbuffer_width
564 || dst_rect
.bottom
!= swapchain
->desc
.backbuffer_height
))
565 render_to_fbo
= TRUE
;
567 /* Rendering to a window of different size, presenting partial rectangles,
568 * or rendering to a different window needs help from FBO_blit or a textured
569 * draw. Render the swapchain to a FBO in the future.
571 * Note that FBO_blit from the backbuffer to the frontbuffer cannot solve
572 * all these issues - this fails if the window is smaller than the backbuffer.
574 if (!swapchain
->render_to_fbo
&& render_to_fbo
&& wined3d_settings
.offscreen_rendering_mode
== ORM_FBO
)
576 surface_load_location(back_buffer
, SFLAG_INTEXTURE
, NULL
);
577 surface_modify_location(back_buffer
, SFLAG_INDRAWABLE
, FALSE
);
578 swapchain
->render_to_fbo
= TRUE
;
579 swapchain_update_draw_bindings(swapchain
);
583 surface_load_location(back_buffer
, back_buffer
->draw_binding
, NULL
);
586 if (swapchain
->render_to_fbo
)
588 /* This codepath should only be hit with the COPY swapeffect. Otherwise a backbuffer-
589 * window size mismatch is impossible(fullscreen) and src and dst rectangles are
590 * not allowed(they need the COPY swapeffect)
592 * The DISCARD swap effect is ok as well since any backbuffer content is allowed after
594 if (swapchain
->desc
.swap_effect
== WINED3D_SWAP_EFFECT_FLIP
)
595 FIXME("Render-to-fbo with WINED3D_SWAP_EFFECT_FLIP\n");
597 swapchain_blit(swapchain
, context
, &src_rect
, &dst_rect
);
600 if (swapchain
->num_contexts
> 1)
602 SwapBuffers(context
->hdc
); /* TODO: cycle through the swapchain buffers */
604 TRACE("SwapBuffers called, Starting new frame\n");
608 DWORD time
= GetTickCount();
611 /* every 1.5 seconds */
612 if (time
- swapchain
->prev_time
> 1500)
614 TRACE_(fps
)("%p @ approx %.2ffps\n",
615 swapchain
, 1000.0 * swapchain
->frames
/ (time
- swapchain
->prev_time
));
616 swapchain
->prev_time
= time
;
617 swapchain
->frames
= 0;
621 /* This is disabled, but the code left in for debug purposes.
623 * Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
624 * we can clear it with some ugly color to make bad drawing visible and ease debugging.
625 * The Debug runtime does the same on Windows. However, a few games do not redraw the
626 * screen properly, like Max Payne 2, which leaves a few pixels undefined.
628 * Tests show that the content of the back buffer after a discard flip is indeed not
629 * reliable, so no game can depend on the exact content. However, it resembles the
630 * old contents in some way, for example by showing fragments at other locations. In
631 * general, the color theme is still intact. So Max payne, which draws rather dark scenes
632 * gets a dark background image. If we clear it with a bright ugly color, the game's
633 * bug shows up much more than it does on Windows, and the players see single pixels
635 * (The Max Payne bug has been confirmed on Windows with the debug runtime) */
636 if (FALSE
&& swapchain
->desc
.swap_effect
== WINED3D_SWAP_EFFECT_DISCARD
)
638 static const struct wined3d_color cyan
= {0.0f
, 1.0f
, 1.0f
, 1.0f
};
640 TRACE("Clearing the color buffer with cyan color\n");
642 wined3d_device_clear(swapchain
->device
, 0, NULL
,
643 WINED3DCLEAR_TARGET
, &cyan
, 1.0f
, 0);
646 if (!swapchain
->render_to_fbo
&& ((swapchain
->front_buffer
->flags
& SFLAG_INSYSMEM
)
647 || (back_buffer
->flags
& SFLAG_INSYSMEM
)))
649 /* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying
650 * Doesn't work with render_to_fbo because we're not flipping
652 struct wined3d_surface
*front
= swapchain
->front_buffer
;
654 if (front
->resource
.size
== back_buffer
->resource
.size
)
657 flip_surface(front
, back_buffer
);
659 /* Tell the front buffer surface that is has been modified. However,
660 * the other locations were preserved during that, so keep the flags.
661 * This serves to update the emulated overlay, if any. */
662 fbflags
= front
->flags
;
663 surface_modify_location(front
, SFLAG_INDRAWABLE
, TRUE
);
664 front
->flags
= fbflags
;
668 surface_modify_location(front
, SFLAG_INDRAWABLE
, TRUE
);
669 surface_modify_location(back_buffer
, SFLAG_INDRAWABLE
, TRUE
);
674 surface_modify_location(swapchain
->front_buffer
, SFLAG_INDRAWABLE
, TRUE
);
675 /* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
676 * and INTEXTURE copies can keep their old content if they have any defined content.
677 * If the swapeffect is COPY, the content remains the same. If it is FLIP however,
678 * the texture / sysmem copy needs to be reloaded from the drawable
680 if (swapchain
->desc
.swap_effect
== WINED3D_SWAP_EFFECT_FLIP
)
681 surface_modify_location(back_buffer
, back_buffer
->draw_binding
, TRUE
);
684 if (fb
->depth_stencil
)
686 if (swapchain
->desc
.flags
& WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
687 || fb
->depth_stencil
->flags
& SFLAG_DISCARD
)
689 surface_modify_ds_location(fb
->depth_stencil
, SFLAG_DISCARDED
,
690 fb
->depth_stencil
->resource
.width
,
691 fb
->depth_stencil
->resource
.height
);
692 if (fb
->depth_stencil
== swapchain
->device
->onscreen_depth_stencil
)
694 wined3d_surface_decref(swapchain
->device
->onscreen_depth_stencil
);
695 swapchain
->device
->onscreen_depth_stencil
= NULL
;
700 context_release(context
);
703 static const struct wined3d_swapchain_ops swapchain_gl_ops
=
705 swapchain_gl_present
,
708 /* Helper function that blits the front buffer contents to the target window. */
709 void x11_copy_to_screen(const struct wined3d_swapchain
*swapchain
, const RECT
*rect
)
711 const struct wined3d_surface
*front
;
712 POINT offset
= {0, 0};
717 TRACE("swapchain %p, rect %s.\n", swapchain
, wine_dbgstr_rect(rect
));
719 front
= swapchain
->front_buffer
;
720 if (!(front
->resource
.usage
& WINED3DUSAGE_RENDERTARGET
))
723 if (front
->resource
.map_count
)
724 ERR("Trying to blit a mapped surface.\n");
726 TRACE("Copying surface %p to screen.\n", front
);
729 window
= swapchain
->win_handle
;
730 dst_dc
= GetDCEx(window
, 0, DCX_CLIPSIBLINGS
| DCX_CACHE
);
732 /* Front buffer coordinates are screen coordinates. Map them to the
733 * destination window if not fullscreened. */
734 if (swapchain
->desc
.windowed
)
735 ClientToScreen(window
, &offset
);
737 TRACE("offset %s.\n", wine_dbgstr_point(&offset
));
740 draw_rect
.right
= front
->resource
.width
;
742 draw_rect
.bottom
= front
->resource
.height
;
745 IntersectRect(&draw_rect
, &draw_rect
, rect
);
747 BitBlt(dst_dc
, draw_rect
.left
- offset
.x
, draw_rect
.top
- offset
.y
,
748 draw_rect
.right
- draw_rect
.left
, draw_rect
.bottom
- draw_rect
.top
,
749 src_dc
, draw_rect
.left
, draw_rect
.top
, SRCCOPY
);
750 ReleaseDC(window
, dst_dc
);
753 static void swapchain_gdi_present(struct wined3d_swapchain
*swapchain
, const RECT
*src_rect_in
,
754 const RECT
*dst_rect_in
, const RGNDATA
*dirty_region
, DWORD flags
)
756 struct wined3d_surface
*front
, *back
;
758 front
= swapchain
->front_buffer
;
759 back
= swapchain
->back_buffers
[0];
765 front
->hDC
= back
->hDC
;
769 /* Flip the DIBsection. */
772 tmp
= front
->dib
.DIBsection
;
773 front
->dib
.DIBsection
= back
->dib
.DIBsection
;
774 back
->dib
.DIBsection
= tmp
;
777 /* Flip the surface data. */
781 tmp
= front
->dib
.bitmap_data
;
782 front
->dib
.bitmap_data
= back
->dib
.bitmap_data
;
783 back
->dib
.bitmap_data
= tmp
;
785 tmp
= front
->resource
.allocatedMemory
;
786 front
->resource
.allocatedMemory
= back
->resource
.allocatedMemory
;
787 back
->resource
.allocatedMemory
= tmp
;
789 if (front
->resource
.heapMemory
)
790 ERR("GDI Surface %p has heap memory allocated.\n", front
);
792 if (back
->resource
.heapMemory
)
793 ERR("GDI Surface %p has heap memory allocated.\n", back
);
799 static LONG prev_time
, frames
;
800 DWORD time
= GetTickCount();
804 /* every 1.5 seconds */
805 if (time
- prev_time
> 1500)
807 TRACE_(fps
)("@ approx %.2ffps\n", 1000.0 * frames
/ (time
- prev_time
));
813 x11_copy_to_screen(swapchain
, NULL
);
816 static const struct wined3d_swapchain_ops swapchain_gdi_ops
=
818 swapchain_gdi_present
,
821 void swapchain_update_render_to_fbo(struct wined3d_swapchain
*swapchain
)
825 if (wined3d_settings
.offscreen_rendering_mode
!= ORM_FBO
)
828 if (!swapchain
->desc
.backbuffer_count
)
830 TRACE("Single buffered rendering.\n");
831 swapchain
->render_to_fbo
= FALSE
;
835 GetClientRect(swapchain
->win_handle
, &client_rect
);
837 TRACE("Backbuffer %ux%u, window %ux%u.\n",
838 swapchain
->desc
.backbuffer_width
,
839 swapchain
->desc
.backbuffer_height
,
840 client_rect
.right
, client_rect
.bottom
);
841 TRACE("Multisample type %#x, quality %#x.\n",
842 swapchain
->desc
.multisample_type
,
843 swapchain
->desc
.multisample_quality
);
845 if (!wined3d_settings
.always_offscreen
&& !swapchain
->desc
.multisample_type
846 && swapchain
->desc
.backbuffer_width
== client_rect
.right
847 && swapchain
->desc
.backbuffer_height
== client_rect
.bottom
)
849 TRACE("Backbuffer dimensions match window dimensions, rendering onscreen.\n");
850 swapchain
->render_to_fbo
= FALSE
;
854 TRACE("Rendering to FBO.\n");
855 swapchain
->render_to_fbo
= TRUE
;
858 /* Do not call while under the GL lock. */
859 static HRESULT
swapchain_init(struct wined3d_swapchain
*swapchain
, enum wined3d_surface_type surface_type
,
860 struct wined3d_device
*device
, struct wined3d_swapchain_desc
*desc
,
861 void *parent
, const struct wined3d_parent_ops
*parent_ops
)
863 const struct wined3d_adapter
*adapter
= device
->adapter
;
864 const struct wined3d_format
*format
;
865 struct wined3d_display_mode mode
;
866 BOOL displaymode_set
= FALSE
;
872 if (desc
->backbuffer_count
> WINED3DPRESENT_BACK_BUFFER_MAX
)
874 FIXME("The application requested %u back buffers, this is not supported.\n",
875 desc
->backbuffer_count
);
876 return WINED3DERR_INVALIDCALL
;
879 if (desc
->backbuffer_count
> 1)
881 FIXME("The application requested more than one back buffer, this is not properly supported.\n"
882 "Please configure the application to use double buffering (1 back buffer) if possible.\n");
885 switch (surface_type
)
887 case WINED3D_SURFACE_TYPE_GDI
:
888 swapchain
->swapchain_ops
= &swapchain_gdi_ops
;
891 case WINED3D_SURFACE_TYPE_OPENGL
:
892 swapchain
->swapchain_ops
= &swapchain_gl_ops
;
896 ERR("Invalid surface type %#x.\n", surface_type
);
897 return WINED3DERR_INVALIDCALL
;
900 window
= desc
->device_window
? desc
->device_window
: device
->create_parms
.focus_window
;
902 swapchain
->device
= device
;
903 swapchain
->parent
= parent
;
904 swapchain
->parent_ops
= parent_ops
;
906 swapchain
->win_handle
= window
;
907 swapchain
->device_window
= window
;
909 wined3d_get_adapter_display_mode(device
->wined3d
, adapter
->ordinal
, &mode
, NULL
);
910 swapchain
->orig_width
= mode
.width
;
911 swapchain
->orig_height
= mode
.height
;
912 swapchain
->orig_fmt
= mode
.format_id
;
913 format
= wined3d_get_format(&adapter
->gl_info
, mode
.format_id
);
915 GetClientRect(window
, &client_rect
);
917 && (!desc
->backbuffer_width
|| !desc
->backbuffer_height
918 || desc
->backbuffer_format
== WINED3DFMT_UNKNOWN
))
921 if (!desc
->backbuffer_width
)
923 desc
->backbuffer_width
= client_rect
.right
;
924 TRACE("Updating width to %u.\n", desc
->backbuffer_width
);
927 if (!desc
->backbuffer_height
)
929 desc
->backbuffer_height
= client_rect
.bottom
;
930 TRACE("Updating height to %u.\n", desc
->backbuffer_height
);
933 if (desc
->backbuffer_format
== WINED3DFMT_UNKNOWN
)
935 desc
->backbuffer_format
= swapchain
->orig_fmt
;
936 TRACE("Updating format to %s.\n", debug_d3dformat(swapchain
->orig_fmt
));
939 swapchain
->desc
= *desc
;
940 swapchain_update_render_to_fbo(swapchain
);
942 TRACE("Creating front buffer.\n");
943 hr
= device
->device_parent
->ops
->create_rendertarget(device
->device_parent
, parent
,
944 swapchain
->desc
.backbuffer_width
, swapchain
->desc
.backbuffer_height
,
945 swapchain
->desc
.backbuffer_format
, swapchain
->desc
.multisample_type
,
946 swapchain
->desc
.multisample_quality
, TRUE
/* Lockable */,
947 &swapchain
->front_buffer
);
950 WARN("Failed to create front buffer, hr %#x.\n", hr
);
954 surface_set_container(swapchain
->front_buffer
, WINED3D_CONTAINER_SWAPCHAIN
, swapchain
);
955 if (surface_type
== WINED3D_SURFACE_TYPE_OPENGL
)
956 surface_modify_location(swapchain
->front_buffer
, SFLAG_INDRAWABLE
, TRUE
);
958 /* MSDN says we're only allowed a single fullscreen swapchain per device,
959 * so we should really check to see if there is a fullscreen swapchain
960 * already. Does a single head count as full screen? */
964 struct wined3d_display_mode mode
;
966 /* Change the display settings */
967 mode
.width
= desc
->backbuffer_width
;
968 mode
.height
= desc
->backbuffer_height
;
969 mode
.format_id
= desc
->backbuffer_format
;
970 mode
.refresh_rate
= desc
->refresh_rate
;
971 mode
.scanline_ordering
= WINED3D_SCANLINE_ORDERING_UNKNOWN
;
973 if (FAILED(hr
= wined3d_set_adapter_display_mode(device
->wined3d
, device
->adapter
->ordinal
, &mode
)))
975 WARN("Failed to set display mode, hr %#x.\n", hr
);
978 displaymode_set
= TRUE
;
981 if (surface_type
== WINED3D_SURFACE_TYPE_OPENGL
)
983 static const enum wined3d_format_id formats
[] =
985 WINED3DFMT_D24_UNORM_S8_UINT
,
986 WINED3DFMT_D32_UNORM
,
987 WINED3DFMT_R24_UNORM_X8_TYPELESS
,
988 WINED3DFMT_D16_UNORM
,
989 WINED3DFMT_S1_UINT_D15_UNORM
992 const struct wined3d_gl_info
*gl_info
= &device
->adapter
->gl_info
;
994 swapchain
->context
= HeapAlloc(GetProcessHeap(), 0, sizeof(*swapchain
->context
));
995 if (!swapchain
->context
)
997 ERR("Failed to create the context array.\n");
1001 swapchain
->num_contexts
= 1;
1003 /* In WGL both color, depth and stencil are features of a pixel format. In case of D3D they are separate.
1004 * You are able to add a depth + stencil surface at a later stage when you need it.
1005 * In order to support this properly in WineD3D we need the ability to recreate the opengl context and
1006 * drawable when this is required. This is very tricky as we need to reapply ALL opengl states for the new
1007 * context, need torecreate shaders, textures and other resources.
1009 * The context manager already takes care of the state problem and for the other tasks code from Reset
1010 * can be used. These changes are way to risky during the 1.0 code freeze which is taking place right now.
1011 * Likely a lot of other new bugs will be exposed. For that reason request a depth stencil surface all the
1012 * time. It can cause a slight performance hit but fixes a lot of regressions. A fixme reminds of that this
1013 * issue needs to be fixed. */
1014 for (i
= 0; i
< (sizeof(formats
) / sizeof(*formats
)); i
++)
1016 swapchain
->ds_format
= wined3d_get_format(gl_info
, formats
[i
]);
1017 swapchain
->context
[0] = context_create(swapchain
, swapchain
->front_buffer
, swapchain
->ds_format
);
1018 if (swapchain
->context
[0]) break;
1019 TRACE("Depth stencil format %s is not supported, trying next format\n",
1020 debug_d3dformat(formats
[i
]));
1023 if (!swapchain
->context
[0])
1025 WARN("Failed to create context.\n");
1026 hr
= WINED3DERR_NOTAVAILABLE
;
1030 if (wined3d_settings
.offscreen_rendering_mode
!= ORM_FBO
1031 && (!desc
->enable_auto_depth_stencil
1032 || swapchain
->desc
.auto_depth_stencil_format
!= swapchain
->ds_format
->id
))
1034 FIXME("Add OpenGL context recreation support to context_validate_onscreen_formats\n");
1036 context_release(swapchain
->context
[0]);
1039 if (swapchain
->desc
.backbuffer_count
> 0)
1041 swapchain
->back_buffers
= HeapAlloc(GetProcessHeap(), 0,
1042 sizeof(*swapchain
->back_buffers
) * swapchain
->desc
.backbuffer_count
);
1043 if (!swapchain
->back_buffers
)
1045 ERR("Failed to allocate backbuffer array memory.\n");
1050 for (i
= 0; i
< swapchain
->desc
.backbuffer_count
; ++i
)
1052 TRACE("Creating back buffer %u.\n", i
);
1053 hr
= device
->device_parent
->ops
->create_rendertarget(device
->device_parent
, parent
,
1054 swapchain
->desc
.backbuffer_width
, swapchain
->desc
.backbuffer_height
,
1055 swapchain
->desc
.backbuffer_format
, swapchain
->desc
.multisample_type
,
1056 swapchain
->desc
.multisample_quality
, TRUE
/* Lockable */,
1057 &swapchain
->back_buffers
[i
]);
1060 WARN("Failed to create back buffer %u, hr %#x.\n", i
, hr
);
1064 surface_set_container(swapchain
->back_buffers
[i
], WINED3D_CONTAINER_SWAPCHAIN
, swapchain
);
1068 /* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
1069 if (desc
->enable_auto_depth_stencil
&& surface_type
== WINED3D_SURFACE_TYPE_OPENGL
)
1071 TRACE("Creating depth/stencil buffer.\n");
1072 if (!device
->auto_depth_stencil
)
1074 hr
= device
->device_parent
->ops
->create_depth_stencil(device
->device_parent
,
1075 swapchain
->desc
.backbuffer_width
, swapchain
->desc
.backbuffer_height
,
1076 swapchain
->desc
.auto_depth_stencil_format
, swapchain
->desc
.multisample_type
,
1077 swapchain
->desc
.multisample_quality
, FALSE
/* FIXME: Discard */,
1078 &device
->auto_depth_stencil
);
1081 WARN("Failed to create the auto depth stencil, hr %#x.\n", hr
);
1085 surface_set_container(device
->auto_depth_stencil
, WINED3D_CONTAINER_NONE
, NULL
);
1089 wined3d_swapchain_get_gamma_ramp(swapchain
, &swapchain
->orig_gamma
);
1094 if (displaymode_set
)
1100 /* Change the display settings */
1101 memset(&devmode
, 0, sizeof(devmode
));
1102 devmode
.dmSize
= sizeof(devmode
);
1103 devmode
.dmFields
= DM_BITSPERPEL
| DM_PELSWIDTH
| DM_PELSHEIGHT
;
1104 devmode
.dmBitsPerPel
= format
->byte_count
* CHAR_BIT
;
1105 devmode
.dmPelsWidth
= swapchain
->orig_width
;
1106 devmode
.dmPelsHeight
= swapchain
->orig_height
;
1107 ChangeDisplaySettingsExW(adapter
->DeviceName
, &devmode
, NULL
, CDS_FULLSCREEN
, NULL
);
1110 if (swapchain
->back_buffers
)
1112 for (i
= 0; i
< swapchain
->desc
.backbuffer_count
; ++i
)
1114 if (swapchain
->back_buffers
[i
])
1116 surface_set_container(swapchain
->back_buffers
[i
], WINED3D_CONTAINER_NONE
, NULL
);
1117 wined3d_surface_decref(swapchain
->back_buffers
[i
]);
1120 HeapFree(GetProcessHeap(), 0, swapchain
->back_buffers
);
1123 if (swapchain
->context
)
1125 if (swapchain
->context
[0])
1127 context_release(swapchain
->context
[0]);
1128 context_destroy(device
, swapchain
->context
[0]);
1129 swapchain
->num_contexts
= 0;
1131 HeapFree(GetProcessHeap(), 0, swapchain
->context
);
1134 if (swapchain
->front_buffer
)
1136 surface_set_container(swapchain
->front_buffer
, WINED3D_CONTAINER_NONE
, NULL
);
1137 wined3d_surface_decref(swapchain
->front_buffer
);
1143 /* Do not call while under the GL lock. */
1144 HRESULT CDECL
wined3d_swapchain_create(struct wined3d_device
*device
,
1145 struct wined3d_swapchain_desc
*desc
, enum wined3d_surface_type surface_type
,
1146 void *parent
, const struct wined3d_parent_ops
*parent_ops
,
1147 struct wined3d_swapchain
**swapchain
)
1149 struct wined3d_swapchain
*object
;
1152 TRACE("device %p, desc %p, swapchain %p, parent %p, surface_type %#x.\n",
1153 device
, desc
, swapchain
, parent
, surface_type
);
1155 object
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*object
));
1158 ERR("Failed to allocate swapchain memory.\n");
1159 return E_OUTOFMEMORY
;
1162 hr
= swapchain_init(object
, surface_type
, device
, desc
, parent
, parent_ops
);
1165 WARN("Failed to initialize swapchain, hr %#x.\n", hr
);
1166 HeapFree(GetProcessHeap(), 0, object
);
1170 TRACE("Created swapchain %p.\n", object
);
1171 *swapchain
= object
;
1176 /* Do not call while under the GL lock. */
1177 static struct wined3d_context
*swapchain_create_context(struct wined3d_swapchain
*swapchain
)
1179 struct wined3d_context
**newArray
;
1180 struct wined3d_context
*ctx
;
1182 TRACE("Creating a new context for swapchain %p, thread %u.\n", swapchain
, GetCurrentThreadId());
1184 if (!(ctx
= context_create(swapchain
, swapchain
->front_buffer
, swapchain
->ds_format
)))
1186 ERR("Failed to create a new context for the swapchain\n");
1189 context_release(ctx
);
1191 newArray
= HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray
) * (swapchain
->num_contexts
+ 1));
1193 ERR("Out of memory when trying to allocate a new context array\n");
1194 context_destroy(swapchain
->device
, ctx
);
1197 memcpy(newArray
, swapchain
->context
, sizeof(*newArray
) * swapchain
->num_contexts
);
1198 HeapFree(GetProcessHeap(), 0, swapchain
->context
);
1199 newArray
[swapchain
->num_contexts
] = ctx
;
1200 swapchain
->context
= newArray
;
1201 swapchain
->num_contexts
++;
1203 TRACE("Returning context %p\n", ctx
);
1207 void swapchain_destroy_contexts(struct wined3d_swapchain
*swapchain
)
1211 for (i
= 0; i
< swapchain
->num_contexts
; ++i
)
1213 context_destroy(swapchain
->device
, swapchain
->context
[i
]);
1215 swapchain
->num_contexts
= 0;
1218 struct wined3d_context
*swapchain_get_context(struct wined3d_swapchain
*swapchain
)
1220 DWORD tid
= GetCurrentThreadId();
1223 for (i
= 0; i
< swapchain
->num_contexts
; ++i
)
1225 if (swapchain
->context
[i
]->tid
== tid
)
1226 return swapchain
->context
[i
];
1229 /* Create a new context for the thread */
1230 return swapchain_create_context(swapchain
);
1233 void get_drawable_size_swapchain(const struct wined3d_context
*context
, UINT
*width
, UINT
*height
)
1235 /* The drawable size of an onscreen drawable is the surface size.
1236 * (Actually: The window size, but the surface is created in window size) */
1237 *width
= context
->current_rt
->resource
.width
;
1238 *height
= context
->current_rt
->resource
.height
;
1241 HDC
swapchain_get_backup_dc(struct wined3d_swapchain
*swapchain
)
1243 if (!swapchain
->backup_dc
)
1245 TRACE("Creating the backup window for swapchain %p.\n", swapchain
);
1247 if (!(swapchain
->backup_wnd
= CreateWindowA(WINED3D_OPENGL_WINDOW_CLASS_NAME
, "WineD3D fake window",
1248 WS_OVERLAPPEDWINDOW
, 10, 10, 10, 10, NULL
, NULL
, NULL
, NULL
)))
1250 ERR("Failed to create a window.\n");
1254 if (!(swapchain
->backup_dc
= GetDC(swapchain
->backup_wnd
)))
1256 ERR("Failed to get a DC.\n");
1257 DestroyWindow(swapchain
->backup_wnd
);
1258 swapchain
->backup_wnd
= NULL
;
1263 return swapchain
->backup_dc
;
1266 void swapchain_update_draw_bindings(struct wined3d_swapchain
*swapchain
)
1270 surface_update_draw_binding(swapchain
->front_buffer
);
1272 for (i
= 0; i
< swapchain
->desc
.backbuffer_count
; ++i
)
1274 surface_update_draw_binding(swapchain
->back_buffers
[i
]);