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
);
154 FIXME("Ignoring flags %#x.\n", flags
);
156 if (!swapchain
->back_buffers
)
158 WARN("Swapchain doesn't have a backbuffer, returning WINED3DERR_INVALIDCALL\n");
159 return WINED3DERR_INVALIDCALL
;
162 wined3d_swapchain_set_window(swapchain
, dst_window_override
);
164 swapchain
->swapchain_ops
->swapchain_present(swapchain
, src_rect
, dst_rect
, dirty_region
, flags
);
169 HRESULT CDECL
wined3d_swapchain_get_front_buffer_data(const struct wined3d_swapchain
*swapchain
,
170 struct wined3d_surface
*dst_surface
)
172 struct wined3d_surface
*src_surface
;
173 RECT src_rect
, dst_rect
;
175 TRACE("swapchain %p, dst_surface %p.\n", swapchain
, dst_surface
);
177 src_surface
= swapchain
->front_buffer
;
178 SetRect(&src_rect
, 0, 0, src_surface
->resource
.width
, src_surface
->resource
.height
);
181 if (swapchain
->desc
.windowed
)
183 MapWindowPoints(swapchain
->win_handle
, NULL
, (POINT
*)&dst_rect
, 2);
184 FIXME("Using destination rect %s in windowed mode, this is likely wrong.\n",
185 wine_dbgstr_rect(&dst_rect
));
188 return wined3d_surface_blt(dst_surface
, &dst_rect
, src_surface
, &src_rect
, 0, NULL
, WINED3D_TEXF_POINT
);
191 HRESULT CDECL
wined3d_swapchain_get_back_buffer(const struct wined3d_swapchain
*swapchain
,
192 UINT back_buffer_idx
, enum wined3d_backbuffer_type type
, struct wined3d_surface
**back_buffer
)
194 TRACE("swapchain %p, back_buffer_idx %u, type %#x, back_buffer %p.\n",
195 swapchain
, back_buffer_idx
, type
, back_buffer
);
197 /* Return invalid if there is no backbuffer array, otherwise it will
198 * crash when ddraw is used (there swapchain->back_buffers is always
199 * NULL). We need this because this function is called from
200 * stateblock_init_default_state() to get the default scissorrect
202 if (!swapchain
->back_buffers
|| back_buffer_idx
>= swapchain
->desc
.backbuffer_count
)
204 WARN("Invalid back buffer index.\n");
205 /* Native d3d9 doesn't set NULL here, just as wine's d3d9. But set it
206 * here in wined3d to avoid problems in other libs. */
208 return WINED3DERR_INVALIDCALL
;
211 *back_buffer
= swapchain
->back_buffers
[back_buffer_idx
];
213 wined3d_surface_incref(*back_buffer
);
215 TRACE("Returning back buffer %p.\n", *back_buffer
);
220 HRESULT CDECL
wined3d_swapchain_get_raster_status(const struct wined3d_swapchain
*swapchain
,
221 struct wined3d_raster_status
*raster_status
)
224 LARGE_INTEGER counter
, freq_per_sec
;
225 LONGLONG freq_per_frame
, freq_per_line
;
226 struct wined3d_display_mode mode
;
228 /* No OpenGL equivalent */
231 FIXME("swapchain %p, raster_status %p semi-stub!\n", swapchain
, raster_status
);
235 /* Obtaining the raster status is a widely implemented but optional
236 * feature. When this method returns OK StarCraft 2 expects the
237 * raster_status->InVBlank value to actually change over time.
238 * And Endless Alice Crysis doesn't care even if this method fails.
239 * Thus this method returns OK and fakes raster_status by
240 * QueryPerformanceCounter. */
242 if (!QueryPerformanceCounter(&counter
) || !QueryPerformanceFrequency(&freq_per_sec
))
243 return WINED3DERR_INVALIDCALL
;
245 if (FAILED(wined3d_swapchain_get_display_mode(swapchain
, &mode
, NULL
)))
246 return WINED3DERR_INVALIDCALL
;
247 if (mode
.refresh_rate
== DEFAULT_REFRESH_RATE
)
248 mode
.refresh_rate
= 60;
250 freq_per_frame
= freq_per_sec
.QuadPart
/ mode
.refresh_rate
;
251 /* Assume 20 scan lines in the vertical blank */
252 freq_per_line
= freq_per_frame
/ (mode
.height
+ 20);
253 raster_status
->scan_line
= (counter
.QuadPart
% freq_per_frame
) / freq_per_line
;
254 if (raster_status
->scan_line
< mode
.height
)
255 raster_status
->in_vblank
= FALSE
;
258 raster_status
->scan_line
= 0;
259 raster_status
->in_vblank
= TRUE
;
261 TRACE("Returning fake value, in_vblank %u, scan_line %u.\n",
262 raster_status
->in_vblank
, raster_status
->scan_line
);
266 HRESULT CDECL
wined3d_swapchain_get_display_mode(const struct wined3d_swapchain
*swapchain
,
267 struct wined3d_display_mode
*mode
, enum wined3d_display_rotation
*rotation
)
271 TRACE("swapchain %p, mode %p, rotation %p.\n", swapchain
, mode
, rotation
);
273 hr
= wined3d_get_adapter_display_mode(swapchain
->device
->wined3d
,
274 swapchain
->device
->adapter
->ordinal
, mode
, rotation
);
276 TRACE("Returning w %u, h %u, refresh rate %u, format %s.\n",
277 mode
->width
, mode
->height
, mode
->refresh_rate
, debug_d3dformat(mode
->format_id
));
282 struct wined3d_device
* CDECL
wined3d_swapchain_get_device(const struct wined3d_swapchain
*swapchain
)
284 TRACE("swapchain %p.\n", swapchain
);
286 return swapchain
->device
;
289 HRESULT CDECL
wined3d_swapchain_get_desc(const struct wined3d_swapchain
*swapchain
,
290 struct wined3d_swapchain_desc
*desc
)
292 TRACE("swapchain %p, desc %p.\n", swapchain
, desc
);
294 *desc
= swapchain
->desc
;
299 HRESULT CDECL
wined3d_swapchain_set_gamma_ramp(const struct wined3d_swapchain
*swapchain
,
300 DWORD flags
, const struct wined3d_gamma_ramp
*ramp
)
304 TRACE("swapchain %p, flags %#x, ramp %p.\n", swapchain
, flags
, ramp
);
307 FIXME("Ignoring flags %#x.\n", flags
);
309 dc
= GetDC(swapchain
->device_window
);
310 SetDeviceGammaRamp(dc
, (void *)ramp
);
311 ReleaseDC(swapchain
->device_window
, dc
);
316 HRESULT CDECL
wined3d_swapchain_get_gamma_ramp(const struct wined3d_swapchain
*swapchain
,
317 struct wined3d_gamma_ramp
*ramp
)
321 TRACE("swapchain %p, ramp %p.\n", swapchain
, ramp
);
323 dc
= GetDC(swapchain
->device_window
);
324 GetDeviceGammaRamp(dc
, ramp
);
325 ReleaseDC(swapchain
->device_window
, dc
);
330 /* A GL context is provided by the caller */
331 static void swapchain_blit(const struct wined3d_swapchain
*swapchain
,
332 struct wined3d_context
*context
, const RECT
*src_rect
, const RECT
*dst_rect
)
334 struct wined3d_surface
*backbuffer
= swapchain
->back_buffers
[0];
335 UINT src_w
= src_rect
->right
- src_rect
->left
;
336 UINT src_h
= src_rect
->bottom
- src_rect
->top
;
338 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
342 TRACE("swapchain %p, context %p, src_rect %s, dst_rect %s.\n",
343 swapchain
, context
, wine_dbgstr_rect(src_rect
), wine_dbgstr_rect(dst_rect
));
345 if (src_w
== dst_rect
->right
- dst_rect
->left
&& src_h
== dst_rect
->bottom
- dst_rect
->top
)
346 gl_filter
= GL_NEAREST
;
348 gl_filter
= GL_LINEAR
;
350 GetClientRect(swapchain
->win_handle
, &win_rect
);
351 win_h
= win_rect
.bottom
- win_rect
.top
;
353 if (gl_info
->fbo_ops
.glBlitFramebuffer
&& is_identity_fixup(backbuffer
->resource
.format
->color_fixup
))
355 DWORD location
= SFLAG_INTEXTURE
;
357 if (backbuffer
->resource
.multisample_type
)
359 location
= SFLAG_INRB_RESOLVED
;
360 surface_load_location(backbuffer
, location
, NULL
);
364 context_apply_fbo_state_blit(context
, GL_READ_FRAMEBUFFER
, backbuffer
, NULL
, location
);
365 glReadBuffer(GL_COLOR_ATTACHMENT0
);
366 context_check_fbo_status(context
, GL_READ_FRAMEBUFFER
);
368 context_apply_fbo_state_blit(context
, GL_DRAW_FRAMEBUFFER
, swapchain
->front_buffer
, NULL
, SFLAG_INDRAWABLE
);
369 context_set_draw_buffer(context
, GL_BACK
);
370 context_invalidate_state(context
, STATE_FRAMEBUFFER
);
372 glColorMask(GL_TRUE
, GL_TRUE
, GL_TRUE
, GL_TRUE
);
373 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE
));
374 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE1
));
375 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE2
));
376 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE3
));
378 glDisable(GL_SCISSOR_TEST
);
379 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_SCISSORTESTENABLE
));
381 /* Note that the texture is upside down */
382 gl_info
->fbo_ops
.glBlitFramebuffer(src_rect
->left
, src_rect
->top
, src_rect
->right
, src_rect
->bottom
,
383 dst_rect
->left
, win_h
- dst_rect
->top
, dst_rect
->right
, win_h
- dst_rect
->bottom
,
384 GL_COLOR_BUFFER_BIT
, gl_filter
);
385 checkGLcall("Swapchain present blit(EXT_framebuffer_blit)\n");
390 struct wined3d_device
*device
= swapchain
->device
;
391 struct wined3d_context
*context2
;
392 float tex_left
= src_rect
->left
;
393 float tex_top
= src_rect
->top
;
394 float tex_right
= src_rect
->right
;
395 float tex_bottom
= src_rect
->bottom
;
397 context2
= context_acquire(device
, swapchain
->back_buffers
[0]);
398 context_apply_blit_state(context2
, device
);
400 if (backbuffer
->flags
& SFLAG_NORMCOORD
)
408 if (is_complex_fixup(backbuffer
->resource
.format
->color_fixup
))
409 gl_filter
= GL_NEAREST
;
412 context_apply_fbo_state_blit(context2
, GL_FRAMEBUFFER
, swapchain
->front_buffer
, NULL
, SFLAG_INDRAWABLE
);
414 /* Set up the texture. The surface is not in a wined3d_texture
415 * container, so there are no D3D texture settings to dirtify. */
416 device
->blitter
->set_shader(device
->blit_priv
, context2
, backbuffer
);
417 glTexParameteri(backbuffer
->texture_target
, GL_TEXTURE_MIN_FILTER
, gl_filter
);
418 glTexParameteri(backbuffer
->texture_target
, GL_TEXTURE_MAG_FILTER
, gl_filter
);
420 context_set_draw_buffer(context
, GL_BACK
);
422 /* Set the viewport to the destination rectandle, disable any projection
423 * transformation set up by context_apply_blit_state(), and draw a
424 * (-1,-1)-(1,1) quad.
426 * Back up viewport and matrix to avoid breaking last_was_blit
428 * Note that context_apply_blit_state() set up viewport and ortho to
429 * match the surface size - we want the GL drawable(=window) size. */
430 glPushAttrib(GL_VIEWPORT_BIT
);
431 glViewport(dst_rect
->left
, win_h
- dst_rect
->bottom
, dst_rect
->right
, win_h
- dst_rect
->top
);
432 glMatrixMode(GL_PROJECTION
);
438 glTexCoord2f(tex_left
, tex_bottom
);
442 glTexCoord2f(tex_left
, tex_top
);
446 glTexCoord2f(tex_right
, tex_top
);
450 glTexCoord2f(tex_right
, tex_bottom
);
457 device
->blitter
->unset_shader(context
->gl_info
);
458 checkGLcall("Swapchain present blit(manual)\n");
461 context_release(context2
);
465 static void swapchain_gl_present(struct wined3d_swapchain
*swapchain
, const RECT
*src_rect_in
,
466 const RECT
*dst_rect_in
, const RGNDATA
*dirty_region
, DWORD flags
)
468 struct wined3d_surface
*back_buffer
= swapchain
->back_buffers
[0];
469 const struct wined3d_fb_state
*fb
= &swapchain
->device
->fb
;
470 const struct wined3d_gl_info
*gl_info
;
471 struct wined3d_context
*context
;
472 RECT src_rect
, dst_rect
;
475 context
= context_acquire(swapchain
->device
, back_buffer
);
478 context_release(context
);
479 WARN("Invalid context, skipping present.\n");
483 gl_info
= context
->gl_info
;
485 /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
486 if (swapchain
->device
->bCursorVisible
&&
487 swapchain
->device
->cursorTexture
&&
488 !swapchain
->device
->hardwareCursor
)
490 struct wined3d_surface cursor
;
493 swapchain
->device
->xScreenSpace
- swapchain
->device
->xHotSpot
,
494 swapchain
->device
->yScreenSpace
- swapchain
->device
->yHotSpot
,
495 swapchain
->device
->xScreenSpace
+ swapchain
->device
->cursorWidth
- swapchain
->device
->xHotSpot
,
496 swapchain
->device
->yScreenSpace
+ swapchain
->device
->cursorHeight
- swapchain
->device
->yHotSpot
,
498 TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor
);
499 /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
500 * the application because we are only supposed to copy the information out. Using a fake surface
501 * allows us to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
503 memset(&cursor
, 0, sizeof(cursor
));
504 cursor
.resource
.ref
= 1;
505 cursor
.resource
.device
= swapchain
->device
;
506 cursor
.resource
.pool
= WINED3D_POOL_SCRATCH
;
507 cursor
.resource
.format
= wined3d_get_format(gl_info
, WINED3DFMT_B8G8R8A8_UNORM
);
508 cursor
.resource
.type
= WINED3D_RTYPE_SURFACE
;
509 cursor
.texture_name
= swapchain
->device
->cursorTexture
;
510 cursor
.texture_target
= GL_TEXTURE_2D
;
511 cursor
.texture_level
= 0;
512 cursor
.resource
.width
= swapchain
->device
->cursorWidth
;
513 cursor
.resource
.height
= swapchain
->device
->cursorHeight
;
514 /* The cursor must have pow2 sizes */
515 cursor
.pow2Width
= cursor
.resource
.width
;
516 cursor
.pow2Height
= cursor
.resource
.height
;
517 /* The surface is in the texture */
518 cursor
.flags
|= SFLAG_INTEXTURE
;
519 /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
520 * which is exactly what we want :-)
522 if (swapchain
->desc
.windowed
)
523 MapWindowPoints(NULL
, swapchain
->win_handle
, (POINT
*)&destRect
, 2);
524 wined3d_surface_blt(back_buffer
, &destRect
, &cursor
, NULL
, WINEDDBLT_KEYSRC
,
525 NULL
, WINED3D_TEXF_POINT
);
528 if (swapchain
->device
->logo_surface
)
530 struct wined3d_surface
*src_surface
= swapchain
->device
->logo_surface
;
531 RECT rect
= {0, 0, src_surface
->resource
.width
, src_surface
->resource
.height
};
533 /* Blit the logo into the upper left corner of the drawable. */
534 wined3d_surface_blt(back_buffer
, &rect
, src_surface
, &rect
, WINEDDBLT_KEYSRC
,
535 NULL
, WINED3D_TEXF_POINT
);
538 TRACE("Presenting HDC %p.\n", context
->hdc
);
540 render_to_fbo
= swapchain
->render_to_fbo
;
544 src_rect
= *src_rect_in
;
545 if (!render_to_fbo
&& (src_rect
.left
|| src_rect
.top
546 || src_rect
.right
!= swapchain
->desc
.backbuffer_width
547 || src_rect
.bottom
!= swapchain
->desc
.backbuffer_height
))
549 render_to_fbo
= TRUE
;
556 src_rect
.right
= swapchain
->desc
.backbuffer_width
;
557 src_rect
.bottom
= swapchain
->desc
.backbuffer_height
;
561 dst_rect
= *dst_rect_in
;
563 GetClientRect(swapchain
->win_handle
, &dst_rect
);
565 if (!render_to_fbo
&& (dst_rect
.left
|| dst_rect
.top
566 || dst_rect
.right
!= swapchain
->desc
.backbuffer_width
567 || dst_rect
.bottom
!= swapchain
->desc
.backbuffer_height
))
568 render_to_fbo
= TRUE
;
570 /* Rendering to a window of different size, presenting partial rectangles,
571 * or rendering to a different window needs help from FBO_blit or a textured
572 * draw. Render the swapchain to a FBO in the future.
574 * Note that FBO_blit from the backbuffer to the frontbuffer cannot solve
575 * all these issues - this fails if the window is smaller than the backbuffer.
577 if (!swapchain
->render_to_fbo
&& render_to_fbo
&& wined3d_settings
.offscreen_rendering_mode
== ORM_FBO
)
579 surface_load_location(back_buffer
, SFLAG_INTEXTURE
, NULL
);
580 surface_modify_location(back_buffer
, SFLAG_INDRAWABLE
, FALSE
);
581 swapchain
->render_to_fbo
= TRUE
;
582 swapchain_update_draw_bindings(swapchain
);
586 surface_load_location(back_buffer
, back_buffer
->draw_binding
, NULL
);
589 if (swapchain
->render_to_fbo
)
591 /* This codepath should only be hit with the COPY swapeffect. Otherwise a backbuffer-
592 * window size mismatch is impossible(fullscreen) and src and dst rectangles are
593 * not allowed(they need the COPY swapeffect)
595 * The DISCARD swap effect is ok as well since any backbuffer content is allowed after
597 if (swapchain
->desc
.swap_effect
== WINED3D_SWAP_EFFECT_FLIP
)
598 FIXME("Render-to-fbo with WINED3D_SWAP_EFFECT_FLIP\n");
600 swapchain_blit(swapchain
, context
, &src_rect
, &dst_rect
);
603 if (swapchain
->num_contexts
> 1)
605 SwapBuffers(context
->hdc
); /* TODO: cycle through the swapchain buffers */
607 TRACE("SwapBuffers called, Starting new frame\n");
611 DWORD time
= GetTickCount();
614 /* every 1.5 seconds */
615 if (time
- swapchain
->prev_time
> 1500)
617 TRACE_(fps
)("%p @ approx %.2ffps\n",
618 swapchain
, 1000.0 * swapchain
->frames
/ (time
- swapchain
->prev_time
));
619 swapchain
->prev_time
= time
;
620 swapchain
->frames
= 0;
624 /* This is disabled, but the code left in for debug purposes.
626 * Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
627 * we can clear it with some ugly color to make bad drawing visible and ease debugging.
628 * The Debug runtime does the same on Windows. However, a few games do not redraw the
629 * screen properly, like Max Payne 2, which leaves a few pixels undefined.
631 * Tests show that the content of the back buffer after a discard flip is indeed not
632 * reliable, so no game can depend on the exact content. However, it resembles the
633 * old contents in some way, for example by showing fragments at other locations. In
634 * general, the color theme is still intact. So Max payne, which draws rather dark scenes
635 * gets a dark background image. If we clear it with a bright ugly color, the game's
636 * bug shows up much more than it does on Windows, and the players see single pixels
638 * (The Max Payne bug has been confirmed on Windows with the debug runtime) */
639 if (FALSE
&& swapchain
->desc
.swap_effect
== WINED3D_SWAP_EFFECT_DISCARD
)
641 static const struct wined3d_color cyan
= {0.0f
, 1.0f
, 1.0f
, 1.0f
};
643 TRACE("Clearing the color buffer with cyan color\n");
645 wined3d_device_clear(swapchain
->device
, 0, NULL
,
646 WINED3DCLEAR_TARGET
, &cyan
, 1.0f
, 0);
649 if (!swapchain
->render_to_fbo
&& ((swapchain
->front_buffer
->flags
& SFLAG_INSYSMEM
)
650 || (back_buffer
->flags
& SFLAG_INSYSMEM
)))
652 /* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying
653 * Doesn't work with render_to_fbo because we're not flipping
655 struct wined3d_surface
*front
= swapchain
->front_buffer
;
657 if (front
->resource
.size
== back_buffer
->resource
.size
)
660 flip_surface(front
, back_buffer
);
662 /* Tell the front buffer surface that is has been modified. However,
663 * the other locations were preserved during that, so keep the flags.
664 * This serves to update the emulated overlay, if any. */
665 fbflags
= front
->flags
;
666 surface_modify_location(front
, SFLAG_INDRAWABLE
, TRUE
);
667 front
->flags
= fbflags
;
671 surface_modify_location(front
, SFLAG_INDRAWABLE
, TRUE
);
672 surface_modify_location(back_buffer
, SFLAG_INDRAWABLE
, TRUE
);
677 surface_modify_location(swapchain
->front_buffer
, SFLAG_INDRAWABLE
, TRUE
);
678 /* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
679 * and INTEXTURE copies can keep their old content if they have any defined content.
680 * If the swapeffect is COPY, the content remains the same. If it is FLIP however,
681 * the texture / sysmem copy needs to be reloaded from the drawable
683 if (swapchain
->desc
.swap_effect
== WINED3D_SWAP_EFFECT_FLIP
)
684 surface_modify_location(back_buffer
, back_buffer
->draw_binding
, TRUE
);
687 if (fb
->depth_stencil
)
689 if (swapchain
->desc
.flags
& WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
690 || fb
->depth_stencil
->flags
& SFLAG_DISCARD
)
692 surface_modify_ds_location(fb
->depth_stencil
, SFLAG_DISCARDED
,
693 fb
->depth_stencil
->resource
.width
,
694 fb
->depth_stencil
->resource
.height
);
695 if (fb
->depth_stencil
== swapchain
->device
->onscreen_depth_stencil
)
697 wined3d_surface_decref(swapchain
->device
->onscreen_depth_stencil
);
698 swapchain
->device
->onscreen_depth_stencil
= NULL
;
703 context_release(context
);
706 static const struct wined3d_swapchain_ops swapchain_gl_ops
=
708 swapchain_gl_present
,
711 /* Helper function that blits the front buffer contents to the target window. */
712 void x11_copy_to_screen(const struct wined3d_swapchain
*swapchain
, const RECT
*rect
)
714 const struct wined3d_surface
*front
;
715 POINT offset
= {0, 0};
720 TRACE("swapchain %p, rect %s.\n", swapchain
, wine_dbgstr_rect(rect
));
722 front
= swapchain
->front_buffer
;
723 if (!(front
->resource
.usage
& WINED3DUSAGE_RENDERTARGET
))
726 if (front
->resource
.map_count
)
727 ERR("Trying to blit a mapped surface.\n");
729 TRACE("Copying surface %p to screen.\n", front
);
732 window
= swapchain
->win_handle
;
733 dst_dc
= GetDCEx(window
, 0, DCX_CLIPSIBLINGS
| DCX_CACHE
);
735 /* Front buffer coordinates are screen coordinates. Map them to the
736 * destination window if not fullscreened. */
737 if (swapchain
->desc
.windowed
)
738 ClientToScreen(window
, &offset
);
740 TRACE("offset %s.\n", wine_dbgstr_point(&offset
));
743 draw_rect
.right
= front
->resource
.width
;
745 draw_rect
.bottom
= front
->resource
.height
;
748 IntersectRect(&draw_rect
, &draw_rect
, rect
);
750 BitBlt(dst_dc
, draw_rect
.left
- offset
.x
, draw_rect
.top
- offset
.y
,
751 draw_rect
.right
- draw_rect
.left
, draw_rect
.bottom
- draw_rect
.top
,
752 src_dc
, draw_rect
.left
, draw_rect
.top
, SRCCOPY
);
753 ReleaseDC(window
, dst_dc
);
756 static void swapchain_gdi_present(struct wined3d_swapchain
*swapchain
, const RECT
*src_rect_in
,
757 const RECT
*dst_rect_in
, const RGNDATA
*dirty_region
, DWORD flags
)
759 struct wined3d_surface
*front
, *back
;
761 front
= swapchain
->front_buffer
;
762 back
= swapchain
->back_buffers
[0];
768 front
->hDC
= back
->hDC
;
772 /* Flip the DIBsection. */
775 tmp
= front
->dib
.DIBsection
;
776 front
->dib
.DIBsection
= back
->dib
.DIBsection
;
777 back
->dib
.DIBsection
= tmp
;
780 /* Flip the surface data. */
784 tmp
= front
->dib
.bitmap_data
;
785 front
->dib
.bitmap_data
= back
->dib
.bitmap_data
;
786 back
->dib
.bitmap_data
= tmp
;
788 tmp
= front
->resource
.allocatedMemory
;
789 front
->resource
.allocatedMemory
= back
->resource
.allocatedMemory
;
790 back
->resource
.allocatedMemory
= tmp
;
792 if (front
->resource
.heapMemory
)
793 ERR("GDI Surface %p has heap memory allocated.\n", front
);
795 if (back
->resource
.heapMemory
)
796 ERR("GDI Surface %p has heap memory allocated.\n", back
);
802 static LONG prev_time
, frames
;
803 DWORD time
= GetTickCount();
807 /* every 1.5 seconds */
808 if (time
- prev_time
> 1500)
810 TRACE_(fps
)("@ approx %.2ffps\n", 1000.0 * frames
/ (time
- prev_time
));
816 x11_copy_to_screen(swapchain
, NULL
);
819 static const struct wined3d_swapchain_ops swapchain_gdi_ops
=
821 swapchain_gdi_present
,
824 void swapchain_update_render_to_fbo(struct wined3d_swapchain
*swapchain
)
828 if (wined3d_settings
.offscreen_rendering_mode
!= ORM_FBO
)
831 if (!swapchain
->desc
.backbuffer_count
)
833 TRACE("Single buffered rendering.\n");
834 swapchain
->render_to_fbo
= FALSE
;
838 GetClientRect(swapchain
->win_handle
, &client_rect
);
840 TRACE("Backbuffer %ux%u, window %ux%u.\n",
841 swapchain
->desc
.backbuffer_width
,
842 swapchain
->desc
.backbuffer_height
,
843 client_rect
.right
, client_rect
.bottom
);
844 TRACE("Multisample type %#x, quality %#x.\n",
845 swapchain
->desc
.multisample_type
,
846 swapchain
->desc
.multisample_quality
);
848 if (!wined3d_settings
.always_offscreen
&& !swapchain
->desc
.multisample_type
849 && swapchain
->desc
.backbuffer_width
== client_rect
.right
850 && swapchain
->desc
.backbuffer_height
== client_rect
.bottom
)
852 TRACE("Backbuffer dimensions match window dimensions, rendering onscreen.\n");
853 swapchain
->render_to_fbo
= FALSE
;
857 TRACE("Rendering to FBO.\n");
858 swapchain
->render_to_fbo
= TRUE
;
861 /* Do not call while under the GL lock. */
862 static HRESULT
swapchain_init(struct wined3d_swapchain
*swapchain
, enum wined3d_surface_type surface_type
,
863 struct wined3d_device
*device
, struct wined3d_swapchain_desc
*desc
,
864 void *parent
, const struct wined3d_parent_ops
*parent_ops
)
866 const struct wined3d_adapter
*adapter
= device
->adapter
;
867 const struct wined3d_format
*format
;
868 struct wined3d_display_mode mode
;
869 BOOL displaymode_set
= FALSE
;
875 if (desc
->backbuffer_count
> WINED3DPRESENT_BACK_BUFFER_MAX
)
877 FIXME("The application requested %u back buffers, this is not supported.\n",
878 desc
->backbuffer_count
);
879 return WINED3DERR_INVALIDCALL
;
882 if (desc
->backbuffer_count
> 1)
884 FIXME("The application requested more than one back buffer, this is not properly supported.\n"
885 "Please configure the application to use double buffering (1 back buffer) if possible.\n");
888 switch (surface_type
)
890 case WINED3D_SURFACE_TYPE_GDI
:
891 swapchain
->swapchain_ops
= &swapchain_gdi_ops
;
894 case WINED3D_SURFACE_TYPE_OPENGL
:
895 swapchain
->swapchain_ops
= &swapchain_gl_ops
;
899 ERR("Invalid surface type %#x.\n", surface_type
);
900 return WINED3DERR_INVALIDCALL
;
903 window
= desc
->device_window
? desc
->device_window
: device
->create_parms
.focus_window
;
905 swapchain
->device
= device
;
906 swapchain
->parent
= parent
;
907 swapchain
->parent_ops
= parent_ops
;
909 swapchain
->win_handle
= window
;
910 swapchain
->device_window
= window
;
912 wined3d_get_adapter_display_mode(device
->wined3d
, adapter
->ordinal
, &mode
, NULL
);
913 swapchain
->orig_width
= mode
.width
;
914 swapchain
->orig_height
= mode
.height
;
915 swapchain
->orig_fmt
= mode
.format_id
;
916 format
= wined3d_get_format(&adapter
->gl_info
, mode
.format_id
);
918 GetClientRect(window
, &client_rect
);
920 && (!desc
->backbuffer_width
|| !desc
->backbuffer_height
921 || desc
->backbuffer_format
== WINED3DFMT_UNKNOWN
))
924 if (!desc
->backbuffer_width
)
926 desc
->backbuffer_width
= client_rect
.right
;
927 TRACE("Updating width to %u.\n", desc
->backbuffer_width
);
930 if (!desc
->backbuffer_height
)
932 desc
->backbuffer_height
= client_rect
.bottom
;
933 TRACE("Updating height to %u.\n", desc
->backbuffer_height
);
936 if (desc
->backbuffer_format
== WINED3DFMT_UNKNOWN
)
938 desc
->backbuffer_format
= swapchain
->orig_fmt
;
939 TRACE("Updating format to %s.\n", debug_d3dformat(swapchain
->orig_fmt
));
942 swapchain
->desc
= *desc
;
943 swapchain_update_render_to_fbo(swapchain
);
945 TRACE("Creating front buffer.\n");
946 if (FAILED(hr
= device
->device_parent
->ops
->create_rendertarget(device
->device_parent
, parent
,
947 swapchain
->desc
.backbuffer_width
, swapchain
->desc
.backbuffer_height
,
948 swapchain
->desc
.backbuffer_format
, swapchain
->desc
.multisample_type
,
949 swapchain
->desc
.multisample_quality
, &swapchain
->front_buffer
)))
951 WARN("Failed to create front buffer, hr %#x.\n", hr
);
955 surface_set_container(swapchain
->front_buffer
, WINED3D_CONTAINER_SWAPCHAIN
, swapchain
);
956 if (surface_type
== WINED3D_SURFACE_TYPE_OPENGL
)
957 surface_modify_location(swapchain
->front_buffer
, SFLAG_INDRAWABLE
, TRUE
);
959 /* MSDN says we're only allowed a single fullscreen swapchain per device,
960 * so we should really check to see if there is a fullscreen swapchain
961 * already. Does a single head count as full screen? */
965 struct wined3d_display_mode mode
;
967 /* Change the display settings */
968 mode
.width
= desc
->backbuffer_width
;
969 mode
.height
= desc
->backbuffer_height
;
970 mode
.format_id
= desc
->backbuffer_format
;
971 mode
.refresh_rate
= desc
->refresh_rate
;
972 mode
.scanline_ordering
= WINED3D_SCANLINE_ORDERING_UNKNOWN
;
974 if (FAILED(hr
= wined3d_set_adapter_display_mode(device
->wined3d
, device
->adapter
->ordinal
, &mode
)))
976 WARN("Failed to set display mode, hr %#x.\n", hr
);
979 displaymode_set
= TRUE
;
982 if (surface_type
== WINED3D_SURFACE_TYPE_OPENGL
)
984 static const enum wined3d_format_id formats
[] =
986 WINED3DFMT_D24_UNORM_S8_UINT
,
987 WINED3DFMT_D32_UNORM
,
988 WINED3DFMT_R24_UNORM_X8_TYPELESS
,
989 WINED3DFMT_D16_UNORM
,
990 WINED3DFMT_S1_UINT_D15_UNORM
993 const struct wined3d_gl_info
*gl_info
= &device
->adapter
->gl_info
;
995 swapchain
->context
= HeapAlloc(GetProcessHeap(), 0, sizeof(*swapchain
->context
));
996 if (!swapchain
->context
)
998 ERR("Failed to create the context array.\n");
1002 swapchain
->num_contexts
= 1;
1004 /* In WGL both color, depth and stencil are features of a pixel format. In case of D3D they are separate.
1005 * You are able to add a depth + stencil surface at a later stage when you need it.
1006 * In order to support this properly in WineD3D we need the ability to recreate the opengl context and
1007 * drawable when this is required. This is very tricky as we need to reapply ALL opengl states for the new
1008 * context, need torecreate shaders, textures and other resources.
1010 * The context manager already takes care of the state problem and for the other tasks code from Reset
1011 * can be used. These changes are way to risky during the 1.0 code freeze which is taking place right now.
1012 * Likely a lot of other new bugs will be exposed. For that reason request a depth stencil surface all the
1013 * time. It can cause a slight performance hit but fixes a lot of regressions. A fixme reminds of that this
1014 * issue needs to be fixed. */
1015 for (i
= 0; i
< (sizeof(formats
) / sizeof(*formats
)); i
++)
1017 swapchain
->ds_format
= wined3d_get_format(gl_info
, formats
[i
]);
1018 swapchain
->context
[0] = context_create(swapchain
, swapchain
->front_buffer
, swapchain
->ds_format
);
1019 if (swapchain
->context
[0]) break;
1020 TRACE("Depth stencil format %s is not supported, trying next format\n",
1021 debug_d3dformat(formats
[i
]));
1024 if (!swapchain
->context
[0])
1026 WARN("Failed to create context.\n");
1027 hr
= WINED3DERR_NOTAVAILABLE
;
1031 if (wined3d_settings
.offscreen_rendering_mode
!= ORM_FBO
1032 && (!desc
->enable_auto_depth_stencil
1033 || swapchain
->desc
.auto_depth_stencil_format
!= swapchain
->ds_format
->id
))
1035 FIXME("Add OpenGL context recreation support to context_validate_onscreen_formats\n");
1037 context_release(swapchain
->context
[0]);
1040 if (swapchain
->desc
.backbuffer_count
> 0)
1042 swapchain
->back_buffers
= HeapAlloc(GetProcessHeap(), 0,
1043 sizeof(*swapchain
->back_buffers
) * swapchain
->desc
.backbuffer_count
);
1044 if (!swapchain
->back_buffers
)
1046 ERR("Failed to allocate backbuffer array memory.\n");
1051 for (i
= 0; i
< swapchain
->desc
.backbuffer_count
; ++i
)
1053 TRACE("Creating back buffer %u.\n", i
);
1054 if (FAILED(hr
= device
->device_parent
->ops
->create_rendertarget(device
->device_parent
, parent
,
1055 swapchain
->desc
.backbuffer_width
, swapchain
->desc
.backbuffer_height
,
1056 swapchain
->desc
.backbuffer_format
, swapchain
->desc
.multisample_type
,
1057 swapchain
->desc
.multisample_quality
, &swapchain
->back_buffers
[i
])))
1059 WARN("Failed to create back buffer %u, hr %#x.\n", i
, hr
);
1063 surface_set_container(swapchain
->back_buffers
[i
], WINED3D_CONTAINER_SWAPCHAIN
, swapchain
);
1067 /* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
1068 if (desc
->enable_auto_depth_stencil
&& surface_type
== WINED3D_SURFACE_TYPE_OPENGL
)
1070 TRACE("Creating depth/stencil buffer.\n");
1071 if (!device
->auto_depth_stencil
)
1073 if (FAILED(hr
= device
->device_parent
->ops
->create_depth_stencil(device
->device_parent
,
1074 swapchain
->desc
.backbuffer_width
, swapchain
->desc
.backbuffer_height
,
1075 swapchain
->desc
.auto_depth_stencil_format
, swapchain
->desc
.multisample_type
,
1076 swapchain
->desc
.multisample_quality
, &device
->auto_depth_stencil
)))
1078 WARN("Failed to create the auto depth stencil, hr %#x.\n", hr
);
1082 surface_set_container(device
->auto_depth_stencil
, WINED3D_CONTAINER_NONE
, NULL
);
1086 wined3d_swapchain_get_gamma_ramp(swapchain
, &swapchain
->orig_gamma
);
1091 if (displaymode_set
)
1097 /* Change the display settings */
1098 memset(&devmode
, 0, sizeof(devmode
));
1099 devmode
.dmSize
= sizeof(devmode
);
1100 devmode
.dmFields
= DM_BITSPERPEL
| DM_PELSWIDTH
| DM_PELSHEIGHT
;
1101 devmode
.dmBitsPerPel
= format
->byte_count
* CHAR_BIT
;
1102 devmode
.dmPelsWidth
= swapchain
->orig_width
;
1103 devmode
.dmPelsHeight
= swapchain
->orig_height
;
1104 ChangeDisplaySettingsExW(adapter
->DeviceName
, &devmode
, NULL
, CDS_FULLSCREEN
, NULL
);
1107 if (swapchain
->back_buffers
)
1109 for (i
= 0; i
< swapchain
->desc
.backbuffer_count
; ++i
)
1111 if (swapchain
->back_buffers
[i
])
1113 surface_set_container(swapchain
->back_buffers
[i
], WINED3D_CONTAINER_NONE
, NULL
);
1114 wined3d_surface_decref(swapchain
->back_buffers
[i
]);
1117 HeapFree(GetProcessHeap(), 0, swapchain
->back_buffers
);
1120 if (swapchain
->context
)
1122 if (swapchain
->context
[0])
1124 context_release(swapchain
->context
[0]);
1125 context_destroy(device
, swapchain
->context
[0]);
1126 swapchain
->num_contexts
= 0;
1128 HeapFree(GetProcessHeap(), 0, swapchain
->context
);
1131 if (swapchain
->front_buffer
)
1133 surface_set_container(swapchain
->front_buffer
, WINED3D_CONTAINER_NONE
, NULL
);
1134 wined3d_surface_decref(swapchain
->front_buffer
);
1140 /* Do not call while under the GL lock. */
1141 HRESULT CDECL
wined3d_swapchain_create(struct wined3d_device
*device
,
1142 struct wined3d_swapchain_desc
*desc
, enum wined3d_surface_type surface_type
,
1143 void *parent
, const struct wined3d_parent_ops
*parent_ops
,
1144 struct wined3d_swapchain
**swapchain
)
1146 struct wined3d_swapchain
*object
;
1149 TRACE("device %p, desc %p, swapchain %p, parent %p, surface_type %#x.\n",
1150 device
, desc
, swapchain
, parent
, surface_type
);
1152 object
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*object
));
1155 ERR("Failed to allocate swapchain memory.\n");
1156 return E_OUTOFMEMORY
;
1159 hr
= swapchain_init(object
, surface_type
, device
, desc
, parent
, parent_ops
);
1162 WARN("Failed to initialize swapchain, hr %#x.\n", hr
);
1163 HeapFree(GetProcessHeap(), 0, object
);
1167 TRACE("Created swapchain %p.\n", object
);
1168 *swapchain
= object
;
1173 /* Do not call while under the GL lock. */
1174 static struct wined3d_context
*swapchain_create_context(struct wined3d_swapchain
*swapchain
)
1176 struct wined3d_context
**newArray
;
1177 struct wined3d_context
*ctx
;
1179 TRACE("Creating a new context for swapchain %p, thread %u.\n", swapchain
, GetCurrentThreadId());
1181 if (!(ctx
= context_create(swapchain
, swapchain
->front_buffer
, swapchain
->ds_format
)))
1183 ERR("Failed to create a new context for the swapchain\n");
1186 context_release(ctx
);
1188 newArray
= HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray
) * (swapchain
->num_contexts
+ 1));
1190 ERR("Out of memory when trying to allocate a new context array\n");
1191 context_destroy(swapchain
->device
, ctx
);
1194 memcpy(newArray
, swapchain
->context
, sizeof(*newArray
) * swapchain
->num_contexts
);
1195 HeapFree(GetProcessHeap(), 0, swapchain
->context
);
1196 newArray
[swapchain
->num_contexts
] = ctx
;
1197 swapchain
->context
= newArray
;
1198 swapchain
->num_contexts
++;
1200 TRACE("Returning context %p\n", ctx
);
1204 void swapchain_destroy_contexts(struct wined3d_swapchain
*swapchain
)
1208 for (i
= 0; i
< swapchain
->num_contexts
; ++i
)
1210 context_destroy(swapchain
->device
, swapchain
->context
[i
]);
1212 swapchain
->num_contexts
= 0;
1215 struct wined3d_context
*swapchain_get_context(struct wined3d_swapchain
*swapchain
)
1217 DWORD tid
= GetCurrentThreadId();
1220 for (i
= 0; i
< swapchain
->num_contexts
; ++i
)
1222 if (swapchain
->context
[i
]->tid
== tid
)
1223 return swapchain
->context
[i
];
1226 /* Create a new context for the thread */
1227 return swapchain_create_context(swapchain
);
1230 void get_drawable_size_swapchain(const struct wined3d_context
*context
, UINT
*width
, UINT
*height
)
1232 /* The drawable size of an onscreen drawable is the surface size.
1233 * (Actually: The window size, but the surface is created in window size) */
1234 *width
= context
->current_rt
->resource
.width
;
1235 *height
= context
->current_rt
->resource
.height
;
1238 HDC
swapchain_get_backup_dc(struct wined3d_swapchain
*swapchain
)
1240 if (!swapchain
->backup_dc
)
1242 TRACE("Creating the backup window for swapchain %p.\n", swapchain
);
1244 if (!(swapchain
->backup_wnd
= CreateWindowA(WINED3D_OPENGL_WINDOW_CLASS_NAME
, "WineD3D fake window",
1245 WS_OVERLAPPEDWINDOW
, 10, 10, 10, 10, NULL
, NULL
, NULL
, NULL
)))
1247 ERR("Failed to create a window.\n");
1251 if (!(swapchain
->backup_dc
= GetDC(swapchain
->backup_wnd
)))
1253 ERR("Failed to get a DC.\n");
1254 DestroyWindow(swapchain
->backup_wnd
);
1255 swapchain
->backup_wnd
= NULL
;
1260 return swapchain
->backup_dc
;
1263 void swapchain_update_draw_bindings(struct wined3d_swapchain
*swapchain
)
1267 surface_update_draw_binding(swapchain
->front_buffer
);
1269 for (i
= 0; i
< swapchain
->desc
.backbuffer_count
; ++i
)
1271 surface_update_draw_binding(swapchain
->back_buffers
[i
]);