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 "wined3d_private.h"
26 WINE_DEFAULT_DEBUG_CHANNEL(d3d
);
27 WINE_DECLARE_DEBUG_CHANNEL(fps
);
29 /* Do not call while under the GL lock. */
30 static void swapchain_cleanup(struct wined3d_swapchain
*swapchain
)
32 struct wined3d_display_mode mode
;
35 TRACE("Destroying swapchain %p.\n", swapchain
);
37 wined3d_swapchain_set_gamma_ramp(swapchain
, 0, &swapchain
->orig_gamma
);
39 /* Release the swapchain's draw buffers. Make sure swapchain->back_buffers[0]
40 * is the last buffer to be destroyed, FindContext() depends on that. */
41 if (swapchain
->front_buffer
)
43 surface_set_container(swapchain
->front_buffer
, WINED3D_CONTAINER_NONE
, NULL
);
44 if (wined3d_surface_decref(swapchain
->front_buffer
))
45 WARN("Something's still holding the front buffer (%p).\n", swapchain
->front_buffer
);
46 swapchain
->front_buffer
= NULL
;
49 if (swapchain
->back_buffers
)
51 i
= swapchain
->desc
.backbuffer_count
;
55 surface_set_container(swapchain
->back_buffers
[i
], WINED3D_CONTAINER_NONE
, NULL
);
56 if (wined3d_surface_decref(swapchain
->back_buffers
[i
]))
57 WARN("Something's still holding back buffer %u (%p).\n", i
, swapchain
->back_buffers
[i
]);
59 HeapFree(GetProcessHeap(), 0, swapchain
->back_buffers
);
60 swapchain
->back_buffers
= NULL
;
63 for (i
= 0; i
< swapchain
->num_contexts
; ++i
)
65 context_destroy(swapchain
->device
, swapchain
->context
[i
]);
67 HeapFree(GetProcessHeap(), 0, swapchain
->context
);
69 /* Restore the screen resolution if we rendered in fullscreen.
70 * This will restore the screen resolution to what it was before creating
71 * the swapchain. In case of d3d8 and d3d9 this will be the original
72 * desktop resolution. In case of d3d7 this will be a NOP because ddraw
73 * sets the resolution before starting up Direct3D, thus orig_width and
74 * orig_height will be equal to the modes in the presentation params. */
75 if (!swapchain
->desc
.windowed
&& swapchain
->desc
.auto_restore_display_mode
)
77 mode
.width
= swapchain
->orig_width
;
78 mode
.height
= swapchain
->orig_height
;
79 mode
.refresh_rate
= 0;
80 mode
.format_id
= swapchain
->orig_fmt
;
81 wined3d_device_set_display_mode(swapchain
->device
, 0, &mode
);
84 if (swapchain
->backup_dc
)
86 TRACE("Destroying backup wined3d window %p, dc %p.\n", swapchain
->backup_wnd
, swapchain
->backup_dc
);
88 ReleaseDC(swapchain
->backup_wnd
, swapchain
->backup_dc
);
89 DestroyWindow(swapchain
->backup_wnd
);
93 ULONG CDECL
wined3d_swapchain_incref(struct wined3d_swapchain
*swapchain
)
95 ULONG refcount
= InterlockedIncrement(&swapchain
->ref
);
97 TRACE("%p increasing refcount to %u.\n", swapchain
, refcount
);
102 /* Do not call while under the GL lock. */
103 ULONG CDECL
wined3d_swapchain_decref(struct wined3d_swapchain
*swapchain
)
105 ULONG refcount
= InterlockedDecrement(&swapchain
->ref
);
107 TRACE("%p decreasing refcount to %u.\n", swapchain
, refcount
);
111 swapchain_cleanup(swapchain
);
112 swapchain
->parent_ops
->wined3d_object_destroyed(swapchain
->parent
);
113 HeapFree(GetProcessHeap(), 0, swapchain
);
119 void * CDECL
wined3d_swapchain_get_parent(const struct wined3d_swapchain
*swapchain
)
121 TRACE("swapchain %p.\n", swapchain
);
123 return swapchain
->parent
;
126 HRESULT CDECL
wined3d_swapchain_set_window(struct wined3d_swapchain
*swapchain
, HWND window
)
129 window
= swapchain
->device_window
;
130 if (window
== swapchain
->win_handle
)
133 TRACE("Setting swapchain %p window from %p to %p.\n",
134 swapchain
, swapchain
->win_handle
, window
);
135 swapchain
->win_handle
= window
;
140 HRESULT CDECL
wined3d_swapchain_present(struct wined3d_swapchain
*swapchain
,
141 const RECT
*src_rect
, const RECT
*dst_rect
, HWND dst_window_override
,
142 const RGNDATA
*dirty_region
, DWORD flags
)
144 TRACE("swapchain %p, src_rect %s, dst_rect %s, dst_window_override %p, dirty_region %p, flags %#x.\n",
145 swapchain
, wine_dbgstr_rect(src_rect
), wine_dbgstr_rect(dst_rect
),
146 dst_window_override
, dirty_region
, flags
);
148 if (!swapchain
->back_buffers
)
150 WARN("Swapchain doesn't have a backbuffer, returning WINED3DERR_INVALIDCALL\n");
151 return WINED3DERR_INVALIDCALL
;
154 wined3d_swapchain_set_window(swapchain
, dst_window_override
);
156 swapchain
->swapchain_ops
->swapchain_present(swapchain
, src_rect
, dst_rect
, dirty_region
, flags
);
161 HRESULT CDECL
wined3d_swapchain_get_front_buffer_data(const struct wined3d_swapchain
*swapchain
,
162 struct wined3d_surface
*dst_surface
)
164 struct wined3d_surface
*src_surface
;
165 RECT src_rect
, dst_rect
;
167 TRACE("swapchain %p, dst_surface %p.\n", swapchain
, dst_surface
);
169 src_surface
= swapchain
->front_buffer
;
170 SetRect(&src_rect
, 0, 0, src_surface
->resource
.width
, src_surface
->resource
.height
);
173 if (swapchain
->desc
.windowed
)
175 MapWindowPoints(swapchain
->win_handle
, NULL
, (POINT
*)&dst_rect
, 2);
176 FIXME("Using destination rect %s in windowed mode, this is likely wrong.\n",
177 wine_dbgstr_rect(&dst_rect
));
180 return wined3d_surface_blt(dst_surface
, &dst_rect
, src_surface
, &src_rect
, 0, NULL
, WINED3D_TEXF_POINT
);
183 HRESULT CDECL
wined3d_swapchain_get_back_buffer(const struct wined3d_swapchain
*swapchain
,
184 UINT back_buffer_idx
, enum wined3d_backbuffer_type type
, struct wined3d_surface
**back_buffer
)
186 TRACE("swapchain %p, back_buffer_idx %u, type %#x, back_buffer %p.\n",
187 swapchain
, back_buffer_idx
, type
, back_buffer
);
189 /* Return invalid if there is no backbuffer array, otherwise it will
190 * crash when ddraw is used (there swapchain->back_buffers is always
191 * NULL). We need this because this function is called from
192 * stateblock_init_default_state() to get the default scissorrect
194 if (!swapchain
->back_buffers
|| back_buffer_idx
>= swapchain
->desc
.backbuffer_count
)
196 WARN("Invalid back buffer index.\n");
197 /* Native d3d9 doesn't set NULL here, just as wine's d3d9. But set it
198 * here in wined3d to avoid problems in other libs. */
200 return WINED3DERR_INVALIDCALL
;
203 *back_buffer
= swapchain
->back_buffers
[back_buffer_idx
];
205 wined3d_surface_incref(*back_buffer
);
207 TRACE("Returning back buffer %p.\n", *back_buffer
);
212 HRESULT CDECL
wined3d_swapchain_get_raster_status(const struct wined3d_swapchain
*swapchain
,
213 struct wined3d_raster_status
*raster_status
)
216 LARGE_INTEGER counter
, freq_per_sec
;
217 LONGLONG freq_per_frame
, freq_per_line
;
218 struct wined3d_display_mode mode
;
220 /* No OpenGL equivalent */
223 FIXME("swapchain %p, raster_status %p semi-stub!\n", swapchain
, raster_status
);
227 /* Obtaining the raster status is a widely implemented but optional
228 * feature. When this method returns OK StarCraft 2 expects the
229 * raster_status->InVBlank value to actually change over time.
230 * And Endless Alice Crysis doesn't care even if this method fails.
231 * Thus this method returns OK and fakes raster_status by
232 * QueryPerformanceCounter. */
234 if (!QueryPerformanceCounter(&counter
) || !QueryPerformanceFrequency(&freq_per_sec
))
235 return WINED3DERR_INVALIDCALL
;
237 if (FAILED(wined3d_swapchain_get_display_mode(swapchain
, &mode
)))
238 return WINED3DERR_INVALIDCALL
;
239 if (mode
.refresh_rate
== DEFAULT_REFRESH_RATE
)
240 mode
.refresh_rate
= 60;
242 freq_per_frame
= freq_per_sec
.QuadPart
/ mode
.refresh_rate
;
243 /* Assume 20 scan lines in the vertical blank */
244 freq_per_line
= freq_per_frame
/ (mode
.height
+ 20);
245 raster_status
->scan_line
= (counter
.QuadPart
% freq_per_frame
) / freq_per_line
;
246 if (raster_status
->scan_line
< mode
.height
)
247 raster_status
->in_vblank
= FALSE
;
250 raster_status
->scan_line
= 0;
251 raster_status
->in_vblank
= TRUE
;
253 TRACE("Returning fake value, in_vblank %u, scan_line %u.\n",
254 raster_status
->in_vblank
, raster_status
->scan_line
);
258 HRESULT CDECL
wined3d_swapchain_get_display_mode(const struct wined3d_swapchain
*swapchain
,
259 struct wined3d_display_mode
*mode
)
263 TRACE("swapchain %p, mode %p.\n", swapchain
, mode
);
265 hr
= wined3d_get_adapter_display_mode(swapchain
->device
->wined3d
, swapchain
->device
->adapter
->ordinal
, mode
);
267 TRACE("Returning w %u, h %u, refresh rate %u, format %s.\n",
268 mode
->width
, mode
->height
, mode
->refresh_rate
, debug_d3dformat(mode
->format_id
));
273 struct wined3d_device
* CDECL
wined3d_swapchain_get_device(const struct wined3d_swapchain
*swapchain
)
275 TRACE("swapchain %p.\n", swapchain
);
277 return swapchain
->device
;
280 HRESULT CDECL
wined3d_swapchain_get_desc(const struct wined3d_swapchain
*swapchain
,
281 struct wined3d_swapchain_desc
*desc
)
283 TRACE("swapchain %p, desc %p.\n", swapchain
, desc
);
285 *desc
= swapchain
->desc
;
290 HRESULT CDECL
wined3d_swapchain_set_gamma_ramp(const struct wined3d_swapchain
*swapchain
,
291 DWORD flags
, const struct wined3d_gamma_ramp
*ramp
)
295 TRACE("swapchain %p, flags %#x, ramp %p.\n", swapchain
, flags
, ramp
);
298 FIXME("Ignoring flags %#x.\n", flags
);
300 dc
= GetDC(swapchain
->device_window
);
301 SetDeviceGammaRamp(dc
, (void *)ramp
);
302 ReleaseDC(swapchain
->device_window
, dc
);
307 HRESULT CDECL
wined3d_swapchain_get_gamma_ramp(const struct wined3d_swapchain
*swapchain
,
308 struct wined3d_gamma_ramp
*ramp
)
312 TRACE("swapchain %p, ramp %p.\n", swapchain
, ramp
);
314 dc
= GetDC(swapchain
->device_window
);
315 GetDeviceGammaRamp(dc
, ramp
);
316 ReleaseDC(swapchain
->device_window
, dc
);
321 /* A GL context is provided by the caller */
322 static void swapchain_blit(const struct wined3d_swapchain
*swapchain
,
323 struct wined3d_context
*context
, const RECT
*src_rect
, const RECT
*dst_rect
)
325 struct wined3d_surface
*backbuffer
= swapchain
->back_buffers
[0];
326 UINT src_w
= src_rect
->right
- src_rect
->left
;
327 UINT src_h
= src_rect
->bottom
- src_rect
->top
;
329 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
333 TRACE("swapchain %p, context %p, src_rect %s, dst_rect %s.\n",
334 swapchain
, context
, wine_dbgstr_rect(src_rect
), wine_dbgstr_rect(dst_rect
));
336 if (src_w
== dst_rect
->right
- dst_rect
->left
&& src_h
== dst_rect
->bottom
- dst_rect
->top
)
337 gl_filter
= GL_NEAREST
;
339 gl_filter
= GL_LINEAR
;
341 GetClientRect(swapchain
->win_handle
, &win_rect
);
342 win_h
= win_rect
.bottom
- win_rect
.top
;
344 if (gl_info
->fbo_ops
.glBlitFramebuffer
&& is_identity_fixup(backbuffer
->resource
.format
->color_fixup
))
346 DWORD location
= SFLAG_INTEXTURE
;
348 if (backbuffer
->resource
.multisample_type
)
350 location
= SFLAG_INRB_RESOLVED
;
351 surface_load_location(backbuffer
, location
, NULL
);
355 context_apply_fbo_state_blit(context
, GL_READ_FRAMEBUFFER
, backbuffer
, NULL
, location
);
356 glReadBuffer(GL_COLOR_ATTACHMENT0
);
357 context_check_fbo_status(context
, GL_READ_FRAMEBUFFER
);
359 context_apply_fbo_state_blit(context
, GL_DRAW_FRAMEBUFFER
, swapchain
->front_buffer
, NULL
, SFLAG_INDRAWABLE
);
360 context_set_draw_buffer(context
, GL_BACK
);
361 context_invalidate_state(context
, STATE_FRAMEBUFFER
);
363 glColorMask(GL_TRUE
, GL_TRUE
, GL_TRUE
, GL_TRUE
);
364 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE
));
365 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE1
));
366 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE2
));
367 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE3
));
369 glDisable(GL_SCISSOR_TEST
);
370 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_SCISSORTESTENABLE
));
372 /* Note that the texture is upside down */
373 gl_info
->fbo_ops
.glBlitFramebuffer(src_rect
->left
, src_rect
->top
, src_rect
->right
, src_rect
->bottom
,
374 dst_rect
->left
, win_h
- dst_rect
->top
, dst_rect
->right
, win_h
- dst_rect
->bottom
,
375 GL_COLOR_BUFFER_BIT
, gl_filter
);
376 checkGLcall("Swapchain present blit(EXT_framebuffer_blit)\n");
381 struct wined3d_device
*device
= swapchain
->device
;
382 struct wined3d_context
*context2
;
383 float tex_left
= src_rect
->left
;
384 float tex_top
= src_rect
->top
;
385 float tex_right
= src_rect
->right
;
386 float tex_bottom
= src_rect
->bottom
;
388 context2
= context_acquire(device
, swapchain
->back_buffers
[0]);
389 context_apply_blit_state(context2
, device
);
391 if (backbuffer
->flags
& SFLAG_NORMCOORD
)
399 if (is_complex_fixup(backbuffer
->resource
.format
->color_fixup
))
400 gl_filter
= GL_NEAREST
;
403 context_apply_fbo_state_blit(context2
, GL_FRAMEBUFFER
, swapchain
->front_buffer
, NULL
, SFLAG_INDRAWABLE
);
405 /* Set up the texture. The surface is not in a wined3d_texture
406 * container, so there are no D3D texture settings to dirtify. */
407 device
->blitter
->set_shader(device
->blit_priv
, context2
, backbuffer
);
408 glTexParameteri(backbuffer
->texture_target
, GL_TEXTURE_MIN_FILTER
, gl_filter
);
409 glTexParameteri(backbuffer
->texture_target
, GL_TEXTURE_MAG_FILTER
, gl_filter
);
411 context_set_draw_buffer(context
, GL_BACK
);
413 /* Set the viewport to the destination rectandle, disable any projection
414 * transformation set up by context_apply_blit_state(), and draw a
415 * (-1,-1)-(1,1) quad.
417 * Back up viewport and matrix to avoid breaking last_was_blit
419 * Note that context_apply_blit_state() set up viewport and ortho to
420 * match the surface size - we want the GL drawable(=window) size. */
421 glPushAttrib(GL_VIEWPORT_BIT
);
422 glViewport(dst_rect
->left
, win_h
- dst_rect
->bottom
, dst_rect
->right
, win_h
- dst_rect
->top
);
423 glMatrixMode(GL_PROJECTION
);
429 glTexCoord2f(tex_left
, tex_bottom
);
433 glTexCoord2f(tex_left
, tex_top
);
437 glTexCoord2f(tex_right
, tex_top
);
441 glTexCoord2f(tex_right
, tex_bottom
);
448 device
->blitter
->unset_shader(context
->gl_info
);
449 checkGLcall("Swapchain present blit(manual)\n");
452 context_release(context2
);
456 static void swapchain_gl_present(struct wined3d_swapchain
*swapchain
, const RECT
*src_rect_in
,
457 const RECT
*dst_rect_in
, const RGNDATA
*dirty_region
, DWORD flags
)
459 struct wined3d_surface
*back_buffer
= swapchain
->back_buffers
[0];
460 const struct wined3d_fb_state
*fb
= &swapchain
->device
->fb
;
461 const struct wined3d_gl_info
*gl_info
;
462 struct wined3d_context
*context
;
463 RECT src_rect
, dst_rect
;
466 context
= context_acquire(swapchain
->device
, back_buffer
);
469 context_release(context
);
470 WARN("Invalid context, skipping present.\n");
474 gl_info
= context
->gl_info
;
476 /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
477 if (swapchain
->device
->bCursorVisible
&&
478 swapchain
->device
->cursorTexture
&&
479 !swapchain
->device
->hardwareCursor
)
481 struct wined3d_surface cursor
;
484 swapchain
->device
->xScreenSpace
- swapchain
->device
->xHotSpot
,
485 swapchain
->device
->yScreenSpace
- swapchain
->device
->yHotSpot
,
486 swapchain
->device
->xScreenSpace
+ swapchain
->device
->cursorWidth
- swapchain
->device
->xHotSpot
,
487 swapchain
->device
->yScreenSpace
+ swapchain
->device
->cursorHeight
- swapchain
->device
->yHotSpot
,
489 TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor
);
490 /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
491 * the application because we are only supposed to copy the information out. Using a fake surface
492 * allows to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
494 memset(&cursor
, 0, sizeof(cursor
));
495 cursor
.resource
.ref
= 1;
496 cursor
.resource
.device
= swapchain
->device
;
497 cursor
.resource
.pool
= WINED3D_POOL_SCRATCH
;
498 cursor
.resource
.format
= wined3d_get_format(gl_info
, WINED3DFMT_B8G8R8A8_UNORM
);
499 cursor
.resource
.type
= WINED3D_RTYPE_SURFACE
;
500 cursor
.texture_name
= swapchain
->device
->cursorTexture
;
501 cursor
.texture_target
= GL_TEXTURE_2D
;
502 cursor
.texture_level
= 0;
503 cursor
.resource
.width
= swapchain
->device
->cursorWidth
;
504 cursor
.resource
.height
= swapchain
->device
->cursorHeight
;
505 /* The cursor must have pow2 sizes */
506 cursor
.pow2Width
= cursor
.resource
.width
;
507 cursor
.pow2Height
= cursor
.resource
.height
;
508 /* The surface is in the texture */
509 cursor
.flags
|= SFLAG_INTEXTURE
;
510 /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
511 * which is exactly what we want :-)
513 if (swapchain
->desc
.windowed
)
514 MapWindowPoints(NULL
, swapchain
->win_handle
, (POINT
*)&destRect
, 2);
515 wined3d_surface_blt(back_buffer
, &destRect
, &cursor
, NULL
, WINEDDBLT_KEYSRC
,
516 NULL
, WINED3D_TEXF_POINT
);
519 if (swapchain
->device
->logo_surface
)
521 struct wined3d_surface
*src_surface
= swapchain
->device
->logo_surface
;
522 RECT rect
= {0, 0, src_surface
->resource
.width
, src_surface
->resource
.height
};
524 /* Blit the logo into the upper left corner of the drawable. */
525 wined3d_surface_blt(back_buffer
, &rect
, src_surface
, &rect
, WINEDDBLT_KEYSRC
,
526 NULL
, WINED3D_TEXF_POINT
);
529 TRACE("Presenting HDC %p.\n", context
->hdc
);
531 render_to_fbo
= swapchain
->render_to_fbo
;
535 src_rect
= *src_rect_in
;
536 if (!render_to_fbo
&& (src_rect
.left
|| src_rect
.top
537 || src_rect
.right
!= swapchain
->desc
.backbuffer_width
538 || src_rect
.bottom
!= swapchain
->desc
.backbuffer_height
))
540 render_to_fbo
= TRUE
;
547 src_rect
.right
= swapchain
->desc
.backbuffer_width
;
548 src_rect
.bottom
= swapchain
->desc
.backbuffer_height
;
552 dst_rect
= *dst_rect_in
;
554 GetClientRect(swapchain
->win_handle
, &dst_rect
);
556 if (!render_to_fbo
&& (dst_rect
.left
|| dst_rect
.top
557 || dst_rect
.right
!= swapchain
->desc
.backbuffer_width
558 || dst_rect
.bottom
!= swapchain
->desc
.backbuffer_height
))
559 render_to_fbo
= TRUE
;
561 /* Rendering to a window of different size, presenting partial rectangles,
562 * or rendering to a different window needs help from FBO_blit or a textured
563 * draw. Render the swapchain to a FBO in the future.
565 * Note that FBO_blit from the backbuffer to the frontbuffer cannot solve
566 * all these issues - this fails if the window is smaller than the backbuffer.
568 if (!swapchain
->render_to_fbo
&& render_to_fbo
&& wined3d_settings
.offscreen_rendering_mode
== ORM_FBO
)
570 surface_load_location(back_buffer
, SFLAG_INTEXTURE
, NULL
);
571 surface_modify_location(back_buffer
, SFLAG_INDRAWABLE
, FALSE
);
572 swapchain
->render_to_fbo
= TRUE
;
573 swapchain_update_draw_bindings(swapchain
);
577 surface_load_location(back_buffer
, back_buffer
->draw_binding
, NULL
);
580 if (swapchain
->render_to_fbo
)
582 /* This codepath should only be hit with the COPY swapeffect. Otherwise a backbuffer-
583 * window size mismatch is impossible(fullscreen) and src and dst rectangles are
584 * not allowed(they need the COPY swapeffect)
586 * The DISCARD swap effect is ok as well since any backbuffer content is allowed after
588 if (swapchain
->desc
.swap_effect
== WINED3D_SWAP_EFFECT_FLIP
)
589 FIXME("Render-to-fbo with WINED3D_SWAP_EFFECT_FLIP\n");
591 swapchain_blit(swapchain
, context
, &src_rect
, &dst_rect
);
594 if (swapchain
->num_contexts
> 1)
596 SwapBuffers(context
->hdc
); /* TODO: cycle through the swapchain buffers */
598 TRACE("SwapBuffers called, Starting new frame\n");
602 DWORD time
= GetTickCount();
605 /* every 1.5 seconds */
606 if (time
- swapchain
->prev_time
> 1500)
608 TRACE_(fps
)("%p @ approx %.2ffps\n",
609 swapchain
, 1000.0 * swapchain
->frames
/ (time
- swapchain
->prev_time
));
610 swapchain
->prev_time
= time
;
611 swapchain
->frames
= 0;
615 /* This is disabled, but the code left in for debug purposes.
617 * Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
618 * we can clear it with some ugly color to make bad drawing visible and ease debugging.
619 * The Debug runtime does the same on Windows. However, a few games do not redraw the
620 * screen properly, like Max Payne 2, which leaves a few pixels undefined.
622 * Tests show that the content of the back buffer after a discard flip is indeed not
623 * reliable, so no game can depend on the exact content. However, it resembles the
624 * old contents in some way, for example by showing fragments at other locations. In
625 * general, the color theme is still intact. So Max payne, which draws rather dark scenes
626 * gets a dark background image. If we clear it with a bright ugly color, the game's
627 * bug shows up much more than it does on Windows, and the players see single pixels
629 * (The Max Payne bug has been confirmed on Windows with the debug runtime) */
630 if (FALSE
&& swapchain
->desc
.swap_effect
== WINED3D_SWAP_EFFECT_DISCARD
)
632 static const struct wined3d_color cyan
= {0.0f
, 1.0f
, 1.0f
, 1.0f
};
634 TRACE("Clearing the color buffer with cyan color\n");
636 wined3d_device_clear(swapchain
->device
, 0, NULL
,
637 WINED3DCLEAR_TARGET
, &cyan
, 1.0f
, 0);
640 if (!swapchain
->render_to_fbo
&& ((swapchain
->front_buffer
->flags
& SFLAG_INSYSMEM
)
641 || (back_buffer
->flags
& SFLAG_INSYSMEM
)))
643 /* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying
644 * Doesn't work with render_to_fbo because we're not flipping
646 struct wined3d_surface
*front
= swapchain
->front_buffer
;
648 if (front
->resource
.size
== back_buffer
->resource
.size
)
651 flip_surface(front
, back_buffer
);
653 /* Tell the front buffer surface that is has been modified. However,
654 * the other locations were preserved during that, so keep the flags.
655 * This serves to update the emulated overlay, if any. */
656 fbflags
= front
->flags
;
657 surface_modify_location(front
, SFLAG_INDRAWABLE
, TRUE
);
658 front
->flags
= fbflags
;
662 surface_modify_location(front
, SFLAG_INDRAWABLE
, TRUE
);
663 surface_modify_location(back_buffer
, SFLAG_INDRAWABLE
, TRUE
);
668 surface_modify_location(swapchain
->front_buffer
, SFLAG_INDRAWABLE
, TRUE
);
669 /* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
670 * and INTEXTURE copies can keep their old content if they have any defined content.
671 * If the swapeffect is COPY, the content remains the same. If it is FLIP however,
672 * the texture / sysmem copy needs to be reloaded from the drawable
674 if (swapchain
->desc
.swap_effect
== WINED3D_SWAP_EFFECT_FLIP
)
675 surface_modify_location(back_buffer
, back_buffer
->draw_binding
, TRUE
);
678 if (fb
->depth_stencil
)
680 if (swapchain
->desc
.flags
& WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
681 || fb
->depth_stencil
->flags
& SFLAG_DISCARD
)
683 surface_modify_ds_location(fb
->depth_stencil
, SFLAG_DISCARDED
,
684 fb
->depth_stencil
->resource
.width
,
685 fb
->depth_stencil
->resource
.height
);
686 if (fb
->depth_stencil
== swapchain
->device
->onscreen_depth_stencil
)
688 wined3d_surface_decref(swapchain
->device
->onscreen_depth_stencil
);
689 swapchain
->device
->onscreen_depth_stencil
= NULL
;
694 context_release(context
);
697 static const struct wined3d_swapchain_ops swapchain_gl_ops
=
699 swapchain_gl_present
,
702 /* Helper function that blits the front buffer contents to the target window. */
703 void x11_copy_to_screen(const struct wined3d_swapchain
*swapchain
, const RECT
*rect
)
705 const struct wined3d_surface
*front
;
706 POINT offset
= {0, 0};
711 TRACE("swapchain %p, rect %s.\n", swapchain
, wine_dbgstr_rect(rect
));
713 front
= swapchain
->front_buffer
;
714 if (!(front
->resource
.usage
& WINED3DUSAGE_RENDERTARGET
))
717 if (front
->flags
& SFLAG_LOCKED
)
718 ERR("Trying to blit a mapped surface.\n");
720 TRACE("Copying surface %p to screen.\n", front
);
723 window
= swapchain
->win_handle
;
724 dst_dc
= GetDCEx(window
, 0, DCX_CLIPSIBLINGS
| DCX_CACHE
);
726 /* Front buffer coordinates are screen coordinates. Map them to the
727 * destination window if not fullscreened. */
728 if (swapchain
->desc
.windowed
)
729 ClientToScreen(window
, &offset
);
731 TRACE("offset %s.\n", wine_dbgstr_point(&offset
));
734 draw_rect
.right
= front
->resource
.width
;
736 draw_rect
.bottom
= front
->resource
.height
;
739 IntersectRect(&draw_rect
, &draw_rect
, rect
);
741 BitBlt(dst_dc
, draw_rect
.left
- offset
.x
, draw_rect
.top
- offset
.y
,
742 draw_rect
.right
- draw_rect
.left
, draw_rect
.bottom
- draw_rect
.top
,
743 src_dc
, draw_rect
.left
, draw_rect
.top
, SRCCOPY
);
744 ReleaseDC(window
, dst_dc
);
747 static void swapchain_gdi_present(struct wined3d_swapchain
*swapchain
, const RECT
*src_rect_in
,
748 const RECT
*dst_rect_in
, const RGNDATA
*dirty_region
, DWORD flags
)
750 struct wined3d_surface
*front
, *back
;
752 front
= swapchain
->front_buffer
;
753 back
= swapchain
->back_buffers
[0];
759 front
->hDC
= back
->hDC
;
763 /* Flip the DIBsection. */
766 tmp
= front
->dib
.DIBsection
;
767 front
->dib
.DIBsection
= back
->dib
.DIBsection
;
768 back
->dib
.DIBsection
= tmp
;
771 /* Flip the surface data. */
775 tmp
= front
->dib
.bitmap_data
;
776 front
->dib
.bitmap_data
= back
->dib
.bitmap_data
;
777 back
->dib
.bitmap_data
= tmp
;
779 tmp
= front
->resource
.allocatedMemory
;
780 front
->resource
.allocatedMemory
= back
->resource
.allocatedMemory
;
781 back
->resource
.allocatedMemory
= tmp
;
783 if (front
->resource
.heapMemory
)
784 ERR("GDI Surface %p has heap memory allocated.\n", front
);
786 if (back
->resource
.heapMemory
)
787 ERR("GDI Surface %p has heap memory allocated.\n", back
);
793 static LONG prev_time
, frames
;
794 DWORD time
= GetTickCount();
798 /* every 1.5 seconds */
799 if (time
- prev_time
> 1500)
801 TRACE_(fps
)("@ approx %.2ffps\n", 1000.0 * frames
/ (time
- prev_time
));
807 x11_copy_to_screen(swapchain
, NULL
);
810 static const struct wined3d_swapchain_ops swapchain_gdi_ops
=
812 swapchain_gdi_present
,
815 void swapchain_update_render_to_fbo(struct wined3d_swapchain
*swapchain
)
819 if (wined3d_settings
.offscreen_rendering_mode
!= ORM_FBO
)
822 if (!swapchain
->desc
.backbuffer_count
)
824 TRACE("Single buffered rendering.\n");
825 swapchain
->render_to_fbo
= FALSE
;
829 GetClientRect(swapchain
->win_handle
, &client_rect
);
831 TRACE("Backbuffer %ux%u, window %ux%u.\n",
832 swapchain
->desc
.backbuffer_width
,
833 swapchain
->desc
.backbuffer_height
,
834 client_rect
.right
, client_rect
.bottom
);
835 TRACE("Multisample type %#x, quality %#x.\n",
836 swapchain
->desc
.multisample_type
,
837 swapchain
->desc
.multisample_quality
);
839 if (!wined3d_settings
.always_offscreen
&& !swapchain
->desc
.multisample_type
840 && swapchain
->desc
.backbuffer_width
== client_rect
.right
841 && swapchain
->desc
.backbuffer_height
== client_rect
.bottom
)
843 TRACE("Backbuffer dimensions match window dimensions, rendering onscreen.\n");
844 swapchain
->render_to_fbo
= FALSE
;
848 TRACE("Rendering to FBO.\n");
849 swapchain
->render_to_fbo
= TRUE
;
852 /* Do not call while under the GL lock. */
853 static HRESULT
swapchain_init(struct wined3d_swapchain
*swapchain
, enum wined3d_surface_type surface_type
,
854 struct wined3d_device
*device
, struct wined3d_swapchain_desc
*desc
,
855 void *parent
, const struct wined3d_parent_ops
*parent_ops
)
857 const struct wined3d_adapter
*adapter
= device
->adapter
;
858 const struct wined3d_format
*format
;
859 struct wined3d_display_mode mode
;
860 BOOL displaymode_set
= FALSE
;
866 if (desc
->backbuffer_count
> WINED3DPRESENT_BACK_BUFFER_MAX
)
868 FIXME("The application requested %u back buffers, this is not supported.\n",
869 desc
->backbuffer_count
);
870 return WINED3DERR_INVALIDCALL
;
873 if (desc
->backbuffer_count
> 1)
875 FIXME("The application requested more than one back buffer, this is not properly supported.\n"
876 "Please configure the application to use double buffering (1 back buffer) if possible.\n");
879 switch (surface_type
)
881 case WINED3D_SURFACE_TYPE_GDI
:
882 swapchain
->swapchain_ops
= &swapchain_gdi_ops
;
885 case WINED3D_SURFACE_TYPE_OPENGL
:
886 swapchain
->swapchain_ops
= &swapchain_gl_ops
;
890 ERR("Invalid surface type %#x.\n", surface_type
);
891 return WINED3DERR_INVALIDCALL
;
894 window
= desc
->device_window
? desc
->device_window
: device
->create_parms
.focus_window
;
896 swapchain
->device
= device
;
897 swapchain
->parent
= parent
;
898 swapchain
->parent_ops
= parent_ops
;
900 swapchain
->win_handle
= window
;
901 swapchain
->device_window
= window
;
903 wined3d_get_adapter_display_mode(device
->wined3d
, adapter
->ordinal
, &mode
);
904 swapchain
->orig_width
= mode
.width
;
905 swapchain
->orig_height
= mode
.height
;
906 swapchain
->orig_fmt
= mode
.format_id
;
907 format
= wined3d_get_format(&adapter
->gl_info
, mode
.format_id
);
909 GetClientRect(window
, &client_rect
);
911 && (!desc
->backbuffer_width
|| !desc
->backbuffer_height
912 || desc
->backbuffer_format
== WINED3DFMT_UNKNOWN
))
915 if (!desc
->backbuffer_width
)
917 desc
->backbuffer_width
= client_rect
.right
;
918 TRACE("Updating width to %u.\n", desc
->backbuffer_width
);
921 if (!desc
->backbuffer_height
)
923 desc
->backbuffer_height
= client_rect
.bottom
;
924 TRACE("Updating height to %u.\n", desc
->backbuffer_height
);
927 if (desc
->backbuffer_format
== WINED3DFMT_UNKNOWN
)
929 desc
->backbuffer_format
= swapchain
->orig_fmt
;
930 TRACE("Updating format to %s.\n", debug_d3dformat(swapchain
->orig_fmt
));
933 swapchain
->desc
= *desc
;
934 swapchain_update_render_to_fbo(swapchain
);
936 TRACE("Creating front buffer.\n");
937 hr
= device
->device_parent
->ops
->create_rendertarget(device
->device_parent
, parent
,
938 swapchain
->desc
.backbuffer_width
, swapchain
->desc
.backbuffer_height
,
939 swapchain
->desc
.backbuffer_format
, swapchain
->desc
.multisample_type
,
940 swapchain
->desc
.multisample_quality
, TRUE
/* Lockable */,
941 &swapchain
->front_buffer
);
944 WARN("Failed to create front buffer, hr %#x.\n", hr
);
948 surface_set_container(swapchain
->front_buffer
, WINED3D_CONTAINER_SWAPCHAIN
, swapchain
);
949 if (surface_type
== WINED3D_SURFACE_TYPE_OPENGL
)
950 surface_modify_location(swapchain
->front_buffer
, SFLAG_INDRAWABLE
, TRUE
);
952 /* MSDN says we're only allowed a single fullscreen swapchain per device,
953 * so we should really check to see if there is a fullscreen swapchain
954 * already. Does a single head count as full screen? */
958 struct wined3d_display_mode mode
;
960 /* Change the display settings */
961 mode
.width
= desc
->backbuffer_width
;
962 mode
.height
= desc
->backbuffer_height
;
963 mode
.format_id
= desc
->backbuffer_format
;
964 mode
.refresh_rate
= desc
->refresh_rate
;
966 hr
= wined3d_device_set_display_mode(device
, 0, &mode
);
969 WARN("Failed to set display mode, hr %#x.\n", hr
);
972 displaymode_set
= TRUE
;
975 if (surface_type
== WINED3D_SURFACE_TYPE_OPENGL
)
977 static const enum wined3d_format_id formats
[] =
979 WINED3DFMT_D24_UNORM_S8_UINT
,
980 WINED3DFMT_D32_UNORM
,
981 WINED3DFMT_R24_UNORM_X8_TYPELESS
,
982 WINED3DFMT_D16_UNORM
,
983 WINED3DFMT_S1_UINT_D15_UNORM
986 const struct wined3d_gl_info
*gl_info
= &device
->adapter
->gl_info
;
988 swapchain
->context
= HeapAlloc(GetProcessHeap(), 0, sizeof(*swapchain
->context
));
989 if (!swapchain
->context
)
991 ERR("Failed to create the context array.\n");
995 swapchain
->num_contexts
= 1;
997 /* In WGL both color, depth and stencil are features of a pixel format. In case of D3D they are separate.
998 * You are able to add a depth + stencil surface at a later stage when you need it.
999 * In order to support this properly in WineD3D we need the ability to recreate the opengl context and
1000 * drawable when this is required. This is very tricky as we need to reapply ALL opengl states for the new
1001 * context, need torecreate shaders, textures and other resources.
1003 * The context manager already takes care of the state problem and for the other tasks code from Reset
1004 * can be used. These changes are way to risky during the 1.0 code freeze which is taking place right now.
1005 * Likely a lot of other new bugs will be exposed. For that reason request a depth stencil surface all the
1006 * time. It can cause a slight performance hit but fixes a lot of regressions. A fixme reminds of that this
1007 * issue needs to be fixed. */
1008 for (i
= 0; i
< (sizeof(formats
) / sizeof(*formats
)); i
++)
1010 swapchain
->ds_format
= wined3d_get_format(gl_info
, formats
[i
]);
1011 swapchain
->context
[0] = context_create(swapchain
, swapchain
->front_buffer
, swapchain
->ds_format
);
1012 if (swapchain
->context
[0]) break;
1013 TRACE("Depth stencil format %s is not supported, trying next format\n",
1014 debug_d3dformat(formats
[i
]));
1017 if (!swapchain
->context
[0])
1019 WARN("Failed to create context.\n");
1020 hr
= WINED3DERR_NOTAVAILABLE
;
1024 if (wined3d_settings
.offscreen_rendering_mode
!= ORM_FBO
1025 && (!desc
->enable_auto_depth_stencil
1026 || swapchain
->desc
.auto_depth_stencil_format
!= swapchain
->ds_format
->id
))
1028 FIXME("Add OpenGL context recreation support to context_validate_onscreen_formats\n");
1030 context_release(swapchain
->context
[0]);
1033 if (swapchain
->desc
.backbuffer_count
> 0)
1035 swapchain
->back_buffers
= HeapAlloc(GetProcessHeap(), 0,
1036 sizeof(*swapchain
->back_buffers
) * swapchain
->desc
.backbuffer_count
);
1037 if (!swapchain
->back_buffers
)
1039 ERR("Failed to allocate backbuffer array memory.\n");
1044 for (i
= 0; i
< swapchain
->desc
.backbuffer_count
; ++i
)
1046 TRACE("Creating back buffer %u.\n", i
);
1047 hr
= device
->device_parent
->ops
->create_rendertarget(device
->device_parent
, parent
,
1048 swapchain
->desc
.backbuffer_width
, swapchain
->desc
.backbuffer_height
,
1049 swapchain
->desc
.backbuffer_format
, swapchain
->desc
.multisample_type
,
1050 swapchain
->desc
.multisample_quality
, TRUE
/* Lockable */,
1051 &swapchain
->back_buffers
[i
]);
1054 WARN("Failed to create back buffer %u, hr %#x.\n", i
, hr
);
1058 surface_set_container(swapchain
->back_buffers
[i
], WINED3D_CONTAINER_SWAPCHAIN
, swapchain
);
1062 /* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
1063 if (desc
->enable_auto_depth_stencil
&& surface_type
== WINED3D_SURFACE_TYPE_OPENGL
)
1065 TRACE("Creating depth/stencil buffer.\n");
1066 if (!device
->auto_depth_stencil
)
1068 hr
= device
->device_parent
->ops
->create_depth_stencil(device
->device_parent
,
1069 swapchain
->desc
.backbuffer_width
, swapchain
->desc
.backbuffer_height
,
1070 swapchain
->desc
.auto_depth_stencil_format
, swapchain
->desc
.multisample_type
,
1071 swapchain
->desc
.multisample_quality
, FALSE
/* FIXME: Discard */,
1072 &device
->auto_depth_stencil
);
1075 WARN("Failed to create the auto depth stencil, hr %#x.\n", hr
);
1079 surface_set_container(device
->auto_depth_stencil
, WINED3D_CONTAINER_NONE
, NULL
);
1083 wined3d_swapchain_get_gamma_ramp(swapchain
, &swapchain
->orig_gamma
);
1088 if (displaymode_set
)
1094 /* Change the display settings */
1095 memset(&devmode
, 0, sizeof(devmode
));
1096 devmode
.dmSize
= sizeof(devmode
);
1097 devmode
.dmFields
= DM_BITSPERPEL
| DM_PELSWIDTH
| DM_PELSHEIGHT
;
1098 devmode
.dmBitsPerPel
= format
->byte_count
* CHAR_BIT
;
1099 devmode
.dmPelsWidth
= swapchain
->orig_width
;
1100 devmode
.dmPelsHeight
= swapchain
->orig_height
;
1101 ChangeDisplaySettingsExW(adapter
->DeviceName
, &devmode
, NULL
, CDS_FULLSCREEN
, NULL
);
1104 if (swapchain
->back_buffers
)
1106 for (i
= 0; i
< swapchain
->desc
.backbuffer_count
; ++i
)
1108 if (swapchain
->back_buffers
[i
])
1110 surface_set_container(swapchain
->back_buffers
[i
], WINED3D_CONTAINER_NONE
, NULL
);
1111 wined3d_surface_decref(swapchain
->back_buffers
[i
]);
1114 HeapFree(GetProcessHeap(), 0, swapchain
->back_buffers
);
1117 if (swapchain
->context
)
1119 if (swapchain
->context
[0])
1121 context_release(swapchain
->context
[0]);
1122 context_destroy(device
, swapchain
->context
[0]);
1123 swapchain
->num_contexts
= 0;
1125 HeapFree(GetProcessHeap(), 0, swapchain
->context
);
1128 if (swapchain
->front_buffer
)
1130 surface_set_container(swapchain
->front_buffer
, WINED3D_CONTAINER_NONE
, NULL
);
1131 wined3d_surface_decref(swapchain
->front_buffer
);
1137 /* Do not call while under the GL lock. */
1138 HRESULT CDECL
wined3d_swapchain_create(struct wined3d_device
*device
,
1139 struct wined3d_swapchain_desc
*desc
, enum wined3d_surface_type surface_type
,
1140 void *parent
, const struct wined3d_parent_ops
*parent_ops
,
1141 struct wined3d_swapchain
**swapchain
)
1143 struct wined3d_swapchain
*object
;
1146 TRACE("device %p, desc %p, swapchain %p, parent %p, surface_type %#x.\n",
1147 device
, desc
, swapchain
, parent
, surface_type
);
1149 object
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*object
));
1152 ERR("Failed to allocate swapchain memory.\n");
1153 return E_OUTOFMEMORY
;
1156 hr
= swapchain_init(object
, surface_type
, device
, desc
, parent
, parent_ops
);
1159 WARN("Failed to initialize swapchain, hr %#x.\n", hr
);
1160 HeapFree(GetProcessHeap(), 0, object
);
1164 TRACE("Created swapchain %p.\n", object
);
1165 *swapchain
= object
;
1170 /* Do not call while under the GL lock. */
1171 static struct wined3d_context
*swapchain_create_context(struct wined3d_swapchain
*swapchain
)
1173 struct wined3d_context
**newArray
;
1174 struct wined3d_context
*ctx
;
1176 TRACE("Creating a new context for swapchain %p, thread %u.\n", swapchain
, GetCurrentThreadId());
1178 if (!(ctx
= context_create(swapchain
, swapchain
->front_buffer
, swapchain
->ds_format
)))
1180 ERR("Failed to create a new context for the swapchain\n");
1183 context_release(ctx
);
1185 newArray
= HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray
) * (swapchain
->num_contexts
+ 1));
1187 ERR("Out of memory when trying to allocate a new context array\n");
1188 context_destroy(swapchain
->device
, ctx
);
1191 memcpy(newArray
, swapchain
->context
, sizeof(*newArray
) * swapchain
->num_contexts
);
1192 HeapFree(GetProcessHeap(), 0, swapchain
->context
);
1193 newArray
[swapchain
->num_contexts
] = ctx
;
1194 swapchain
->context
= newArray
;
1195 swapchain
->num_contexts
++;
1197 TRACE("Returning context %p\n", ctx
);
1201 void swapchain_destroy_contexts(struct wined3d_swapchain
*swapchain
)
1205 for (i
= 0; i
< swapchain
->num_contexts
; ++i
)
1207 context_destroy(swapchain
->device
, swapchain
->context
[i
]);
1209 swapchain
->num_contexts
= 0;
1212 struct wined3d_context
*swapchain_get_context(struct wined3d_swapchain
*swapchain
)
1214 DWORD tid
= GetCurrentThreadId();
1217 for (i
= 0; i
< swapchain
->num_contexts
; ++i
)
1219 if (swapchain
->context
[i
]->tid
== tid
)
1220 return swapchain
->context
[i
];
1223 /* Create a new context for the thread */
1224 return swapchain_create_context(swapchain
);
1227 void get_drawable_size_swapchain(const struct wined3d_context
*context
, UINT
*width
, UINT
*height
)
1229 /* The drawable size of an onscreen drawable is the surface size.
1230 * (Actually: The window size, but the surface is created in window size) */
1231 *width
= context
->current_rt
->resource
.width
;
1232 *height
= context
->current_rt
->resource
.height
;
1235 HDC
swapchain_get_backup_dc(struct wined3d_swapchain
*swapchain
)
1237 if (!swapchain
->backup_dc
)
1239 TRACE("Creating the backup window for swapchain %p.\n", swapchain
);
1241 if (!(swapchain
->backup_wnd
= CreateWindowA(WINED3D_OPENGL_WINDOW_CLASS_NAME
, "WineD3D fake window",
1242 WS_OVERLAPPEDWINDOW
, 10, 10, 10, 10, NULL
, NULL
, NULL
, NULL
)))
1244 ERR("Failed to create a window.\n");
1248 if (!(swapchain
->backup_dc
= GetDC(swapchain
->backup_wnd
)))
1250 ERR("Failed to get a DC.\n");
1251 DestroyWindow(swapchain
->backup_wnd
);
1252 swapchain
->backup_wnd
= NULL
;
1257 return swapchain
->backup_dc
;
1260 void swapchain_update_draw_bindings(struct wined3d_swapchain
*swapchain
)
1264 surface_update_draw_binding(swapchain
->front_buffer
);
1266 for (i
= 0; i
< swapchain
->desc
.backbuffer_count
; ++i
)
1268 surface_update_draw_binding(swapchain
->back_buffers
[i
]);