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 if (swapchain
->front_buffer
->container
.type
== WINED3D_CONTAINER_SWAPCHAIN
)
46 surface_set_container(swapchain
->front_buffer
, WINED3D_CONTAINER_NONE
, NULL
);
47 if (wined3d_surface_decref(swapchain
->front_buffer
))
48 WARN("Something's still holding the front buffer (%p).\n", swapchain
->front_buffer
);
49 swapchain
->front_buffer
= NULL
;
52 if (swapchain
->back_buffers
)
54 i
= swapchain
->desc
.backbuffer_count
;
58 if (swapchain
->back_buffers
[i
]->container
.type
== WINED3D_CONTAINER_SWAPCHAIN
)
59 surface_set_container(swapchain
->back_buffers
[i
], WINED3D_CONTAINER_NONE
, NULL
);
60 if (wined3d_surface_decref(swapchain
->back_buffers
[i
]))
61 WARN("Something's still holding back buffer %u (%p).\n", i
, swapchain
->back_buffers
[i
]);
63 HeapFree(GetProcessHeap(), 0, swapchain
->back_buffers
);
64 swapchain
->back_buffers
= NULL
;
67 for (i
= 0; i
< swapchain
->num_contexts
; ++i
)
69 context_destroy(swapchain
->device
, swapchain
->context
[i
]);
71 HeapFree(GetProcessHeap(), 0, swapchain
->context
);
73 /* Restore the screen resolution if we rendered in fullscreen.
74 * This will restore the screen resolution to what it was before creating
75 * the swapchain. In case of d3d8 and d3d9 this will be the original
76 * desktop resolution. In case of d3d7 this will be a NOP because ddraw
77 * sets the resolution before starting up Direct3D, thus orig_width and
78 * orig_height will be equal to the modes in the presentation params. */
79 if (!swapchain
->desc
.windowed
&& swapchain
->desc
.auto_restore_display_mode
)
81 mode
.width
= swapchain
->orig_width
;
82 mode
.height
= swapchain
->orig_height
;
83 mode
.refresh_rate
= 0;
84 mode
.format_id
= swapchain
->orig_fmt
;
85 mode
.scanline_ordering
= WINED3D_SCANLINE_ORDERING_UNKNOWN
;
86 if (FAILED(hr
= wined3d_set_adapter_display_mode(swapchain
->device
->wined3d
,
87 swapchain
->device
->adapter
->ordinal
, &mode
)))
88 ERR("Failed to restore display mode, hr %#x.\n", hr
);
91 if (swapchain
->backup_dc
)
93 TRACE("Destroying backup wined3d window %p, dc %p.\n", swapchain
->backup_wnd
, swapchain
->backup_dc
);
95 ReleaseDC(swapchain
->backup_wnd
, swapchain
->backup_dc
);
96 DestroyWindow(swapchain
->backup_wnd
);
100 ULONG CDECL
wined3d_swapchain_incref(struct wined3d_swapchain
*swapchain
)
102 ULONG refcount
= InterlockedIncrement(&swapchain
->ref
);
104 TRACE("%p increasing refcount to %u.\n", swapchain
, refcount
);
109 /* Do not call while under the GL lock. */
110 ULONG CDECL
wined3d_swapchain_decref(struct wined3d_swapchain
*swapchain
)
112 ULONG refcount
= InterlockedDecrement(&swapchain
->ref
);
114 TRACE("%p decreasing refcount to %u.\n", swapchain
, refcount
);
118 swapchain_cleanup(swapchain
);
119 swapchain
->parent_ops
->wined3d_object_destroyed(swapchain
->parent
);
120 HeapFree(GetProcessHeap(), 0, swapchain
);
126 void * CDECL
wined3d_swapchain_get_parent(const struct wined3d_swapchain
*swapchain
)
128 TRACE("swapchain %p.\n", swapchain
);
130 return swapchain
->parent
;
133 void CDECL
wined3d_swapchain_set_window(struct wined3d_swapchain
*swapchain
, HWND window
)
136 window
= swapchain
->device_window
;
137 if (window
== swapchain
->win_handle
)
140 TRACE("Setting swapchain %p window from %p to %p.\n",
141 swapchain
, swapchain
->win_handle
, window
);
142 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 struct wined3d_surface
* CDECL
wined3d_swapchain_get_back_buffer(const struct wined3d_swapchain
*swapchain
,
192 UINT back_buffer_idx
, enum wined3d_backbuffer_type type
)
194 TRACE("swapchain %p, back_buffer_idx %u, type %#x.\n",
195 swapchain
, back_buffer_idx
, type
);
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. */
210 TRACE("Returning back buffer %p.\n", swapchain
->back_buffers
[back_buffer_idx
]);
212 return swapchain
->back_buffers
[back_buffer_idx
];
215 HRESULT CDECL
wined3d_swapchain_get_raster_status(const struct wined3d_swapchain
*swapchain
,
216 struct wined3d_raster_status
*raster_status
)
218 TRACE("swapchain %p, raster_status %p.\n", swapchain
, raster_status
);
220 return wined3d_get_adapter_raster_status(swapchain
->device
->wined3d
,
221 swapchain
->device
->adapter
->ordinal
, raster_status
);
224 HRESULT CDECL
wined3d_swapchain_get_display_mode(const struct wined3d_swapchain
*swapchain
,
225 struct wined3d_display_mode
*mode
, enum wined3d_display_rotation
*rotation
)
229 TRACE("swapchain %p, mode %p, rotation %p.\n", swapchain
, mode
, rotation
);
231 hr
= wined3d_get_adapter_display_mode(swapchain
->device
->wined3d
,
232 swapchain
->device
->adapter
->ordinal
, mode
, rotation
);
234 TRACE("Returning w %u, h %u, refresh rate %u, format %s.\n",
235 mode
->width
, mode
->height
, mode
->refresh_rate
, debug_d3dformat(mode
->format_id
));
240 struct wined3d_device
* CDECL
wined3d_swapchain_get_device(const struct wined3d_swapchain
*swapchain
)
242 TRACE("swapchain %p.\n", swapchain
);
244 return swapchain
->device
;
247 void CDECL
wined3d_swapchain_get_desc(const struct wined3d_swapchain
*swapchain
,
248 struct wined3d_swapchain_desc
*desc
)
250 TRACE("swapchain %p, desc %p.\n", swapchain
, desc
);
252 *desc
= swapchain
->desc
;
255 HRESULT CDECL
wined3d_swapchain_set_gamma_ramp(const struct wined3d_swapchain
*swapchain
,
256 DWORD flags
, const struct wined3d_gamma_ramp
*ramp
)
260 TRACE("swapchain %p, flags %#x, ramp %p.\n", swapchain
, flags
, ramp
);
263 FIXME("Ignoring flags %#x.\n", flags
);
265 dc
= GetDC(swapchain
->device_window
);
266 SetDeviceGammaRamp(dc
, (void *)ramp
);
267 ReleaseDC(swapchain
->device_window
, dc
);
272 HRESULT CDECL
wined3d_swapchain_get_gamma_ramp(const struct wined3d_swapchain
*swapchain
,
273 struct wined3d_gamma_ramp
*ramp
)
277 TRACE("swapchain %p, ramp %p.\n", swapchain
, ramp
);
279 dc
= GetDC(swapchain
->device_window
);
280 GetDeviceGammaRamp(dc
, ramp
);
281 ReleaseDC(swapchain
->device_window
, dc
);
286 /* A GL context is provided by the caller */
287 static void swapchain_blit(const struct wined3d_swapchain
*swapchain
,
288 struct wined3d_context
*context
, const RECT
*src_rect
, const RECT
*dst_rect
)
290 struct wined3d_surface
*backbuffer
= swapchain
->back_buffers
[0];
291 UINT src_w
= src_rect
->right
- src_rect
->left
;
292 UINT src_h
= src_rect
->bottom
- src_rect
->top
;
294 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
298 TRACE("swapchain %p, context %p, src_rect %s, dst_rect %s.\n",
299 swapchain
, context
, wine_dbgstr_rect(src_rect
), wine_dbgstr_rect(dst_rect
));
301 if (src_w
== dst_rect
->right
- dst_rect
->left
&& src_h
== dst_rect
->bottom
- dst_rect
->top
)
302 gl_filter
= GL_NEAREST
;
304 gl_filter
= GL_LINEAR
;
306 GetClientRect(swapchain
->win_handle
, &win_rect
);
307 win_h
= win_rect
.bottom
- win_rect
.top
;
309 if (gl_info
->fbo_ops
.glBlitFramebuffer
&& is_identity_fixup(backbuffer
->resource
.format
->color_fixup
))
311 DWORD location
= SFLAG_INTEXTURE
;
313 if (backbuffer
->resource
.multisample_type
)
315 location
= SFLAG_INRB_RESOLVED
;
316 surface_load_location(backbuffer
, location
, NULL
);
320 context_apply_fbo_state_blit(context
, GL_READ_FRAMEBUFFER
, backbuffer
, NULL
, location
);
321 gl_info
->gl_ops
.gl
.p_glReadBuffer(GL_COLOR_ATTACHMENT0
);
322 context_check_fbo_status(context
, GL_READ_FRAMEBUFFER
);
324 context_apply_fbo_state_blit(context
, GL_DRAW_FRAMEBUFFER
, swapchain
->front_buffer
, NULL
, SFLAG_INDRAWABLE
);
325 context_set_draw_buffer(context
, GL_BACK
);
326 context_invalidate_state(context
, STATE_FRAMEBUFFER
);
328 gl_info
->gl_ops
.gl
.p_glColorMask(GL_TRUE
, GL_TRUE
, GL_TRUE
, GL_TRUE
);
329 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE
));
330 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE1
));
331 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE2
));
332 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_COLORWRITEENABLE3
));
334 gl_info
->gl_ops
.gl
.p_glDisable(GL_SCISSOR_TEST
);
335 context_invalidate_state(context
, STATE_RENDER(WINED3D_RS_SCISSORTESTENABLE
));
337 /* Note that the texture is upside down */
338 gl_info
->fbo_ops
.glBlitFramebuffer(src_rect
->left
, src_rect
->top
, src_rect
->right
, src_rect
->bottom
,
339 dst_rect
->left
, win_h
- dst_rect
->top
, dst_rect
->right
, win_h
- dst_rect
->bottom
,
340 GL_COLOR_BUFFER_BIT
, gl_filter
);
341 checkGLcall("Swapchain present blit(EXT_framebuffer_blit)\n");
346 struct wined3d_device
*device
= swapchain
->device
;
347 struct wined3d_context
*context2
;
348 float tex_left
= src_rect
->left
;
349 float tex_top
= src_rect
->top
;
350 float tex_right
= src_rect
->right
;
351 float tex_bottom
= src_rect
->bottom
;
353 context2
= context_acquire(device
, swapchain
->back_buffers
[0]);
354 context_apply_blit_state(context2
, device
);
356 if (backbuffer
->flags
& SFLAG_NORMCOORD
)
364 if (is_complex_fixup(backbuffer
->resource
.format
->color_fixup
))
365 gl_filter
= GL_NEAREST
;
368 context_apply_fbo_state_blit(context2
, GL_FRAMEBUFFER
, swapchain
->front_buffer
, NULL
, SFLAG_INDRAWABLE
);
370 /* Set up the texture. The surface is not in a wined3d_texture
371 * container, so there are no D3D texture settings to dirtify. */
372 device
->blitter
->set_shader(device
->blit_priv
, context2
, backbuffer
);
373 gl_info
->gl_ops
.gl
.p_glTexParameteri(backbuffer
->texture_target
, GL_TEXTURE_MIN_FILTER
, gl_filter
);
374 gl_info
->gl_ops
.gl
.p_glTexParameteri(backbuffer
->texture_target
, GL_TEXTURE_MAG_FILTER
, gl_filter
);
376 context_set_draw_buffer(context
, GL_BACK
);
378 /* Set the viewport to the destination rectandle, disable any projection
379 * transformation set up by context_apply_blit_state(), and draw a
380 * (-1,-1)-(1,1) quad.
382 * Back up viewport and matrix to avoid breaking last_was_blit
384 * Note that context_apply_blit_state() set up viewport and ortho to
385 * match the surface size - we want the GL drawable(=window) size. */
386 gl_info
->gl_ops
.gl
.p_glPushAttrib(GL_VIEWPORT_BIT
);
387 gl_info
->gl_ops
.gl
.p_glViewport(dst_rect
->left
, win_h
- dst_rect
->bottom
,
388 dst_rect
->right
, win_h
- dst_rect
->top
);
389 gl_info
->gl_ops
.gl
.p_glMatrixMode(GL_PROJECTION
);
390 gl_info
->gl_ops
.gl
.p_glPushMatrix();
391 gl_info
->gl_ops
.gl
.p_glLoadIdentity();
393 gl_info
->gl_ops
.gl
.p_glBegin(GL_QUADS
);
395 gl_info
->gl_ops
.gl
.p_glTexCoord2f(tex_left
, tex_bottom
);
396 gl_info
->gl_ops
.gl
.p_glVertex2i(-1, -1);
399 gl_info
->gl_ops
.gl
.p_glTexCoord2f(tex_left
, tex_top
);
400 gl_info
->gl_ops
.gl
.p_glVertex2i(-1, 1);
403 gl_info
->gl_ops
.gl
.p_glTexCoord2f(tex_right
, tex_top
);
404 gl_info
->gl_ops
.gl
.p_glVertex2i(1, 1);
407 gl_info
->gl_ops
.gl
.p_glTexCoord2f(tex_right
, tex_bottom
);
408 gl_info
->gl_ops
.gl
.p_glVertex2i(1, -1);
409 gl_info
->gl_ops
.gl
.p_glEnd();
411 gl_info
->gl_ops
.gl
.p_glPopMatrix();
412 gl_info
->gl_ops
.gl
.p_glPopAttrib();
414 device
->blitter
->unset_shader(context
->gl_info
);
415 checkGLcall("Swapchain present blit(manual)\n");
418 context_release(context2
);
422 static void swapchain_gl_present(struct wined3d_swapchain
*swapchain
, const RECT
*src_rect_in
,
423 const RECT
*dst_rect_in
, const RGNDATA
*dirty_region
, DWORD flags
)
425 struct wined3d_surface
*back_buffer
= swapchain
->back_buffers
[0];
426 const struct wined3d_fb_state
*fb
= &swapchain
->device
->fb
;
427 const struct wined3d_gl_info
*gl_info
;
428 struct wined3d_context
*context
;
429 RECT src_rect
, dst_rect
;
432 context
= context_acquire(swapchain
->device
, back_buffer
);
435 context_release(context
);
436 WARN("Invalid context, skipping present.\n");
440 gl_info
= context
->gl_info
;
442 /* Render the cursor onto the back buffer, using our nifty directdraw blitting code :-) */
443 if (swapchain
->device
->bCursorVisible
&&
444 swapchain
->device
->cursorTexture
&&
445 !swapchain
->device
->hardwareCursor
)
447 struct wined3d_surface cursor
;
450 swapchain
->device
->xScreenSpace
- swapchain
->device
->xHotSpot
,
451 swapchain
->device
->yScreenSpace
- swapchain
->device
->yHotSpot
,
452 swapchain
->device
->xScreenSpace
+ swapchain
->device
->cursorWidth
- swapchain
->device
->xHotSpot
,
453 swapchain
->device
->yScreenSpace
+ swapchain
->device
->cursorHeight
- swapchain
->device
->yHotSpot
,
455 TRACE("Rendering the cursor. Creating fake surface at %p\n", &cursor
);
456 /* Build a fake surface to call the Blitting code. It is not possible to use the interface passed by
457 * the application because we are only supposed to copy the information out. Using a fake surface
458 * allows us to use the Blitting engine and avoid copying the whole texture -> render target blitting code.
460 memset(&cursor
, 0, sizeof(cursor
));
461 cursor
.resource
.ref
= 1;
462 cursor
.resource
.device
= swapchain
->device
;
463 cursor
.resource
.pool
= WINED3D_POOL_SCRATCH
;
464 cursor
.resource
.format
= wined3d_get_format(gl_info
, WINED3DFMT_B8G8R8A8_UNORM
);
465 cursor
.resource
.type
= WINED3D_RTYPE_SURFACE
;
466 cursor
.texture_name
= swapchain
->device
->cursorTexture
;
467 cursor
.texture_target
= GL_TEXTURE_2D
;
468 cursor
.texture_level
= 0;
469 cursor
.resource
.width
= swapchain
->device
->cursorWidth
;
470 cursor
.resource
.height
= swapchain
->device
->cursorHeight
;
471 /* The cursor must have pow2 sizes */
472 cursor
.pow2Width
= cursor
.resource
.width
;
473 cursor
.pow2Height
= cursor
.resource
.height
;
474 /* The surface is in the texture */
475 cursor
.flags
|= SFLAG_INTEXTURE
;
476 /* DDBLT_KEYSRC will cause BltOverride to enable the alpha test with GL_NOTEQUAL, 0.0,
477 * which is exactly what we want :-)
479 if (swapchain
->desc
.windowed
)
480 MapWindowPoints(NULL
, swapchain
->win_handle
, (POINT
*)&destRect
, 2);
481 wined3d_surface_blt(back_buffer
, &destRect
, &cursor
, NULL
, WINEDDBLT_KEYSRC
,
482 NULL
, WINED3D_TEXF_POINT
);
485 if (swapchain
->device
->logo_surface
)
487 struct wined3d_surface
*src_surface
= swapchain
->device
->logo_surface
;
488 RECT rect
= {0, 0, src_surface
->resource
.width
, src_surface
->resource
.height
};
490 /* Blit the logo into the upper left corner of the drawable. */
491 wined3d_surface_blt(back_buffer
, &rect
, src_surface
, &rect
, WINEDDBLT_KEYSRC
,
492 NULL
, WINED3D_TEXF_POINT
);
495 TRACE("Presenting HDC %p.\n", context
->hdc
);
497 render_to_fbo
= swapchain
->render_to_fbo
;
501 src_rect
= *src_rect_in
;
502 if (!render_to_fbo
&& (src_rect
.left
|| src_rect
.top
503 || src_rect
.right
!= swapchain
->desc
.backbuffer_width
504 || src_rect
.bottom
!= swapchain
->desc
.backbuffer_height
))
506 render_to_fbo
= TRUE
;
513 src_rect
.right
= swapchain
->desc
.backbuffer_width
;
514 src_rect
.bottom
= swapchain
->desc
.backbuffer_height
;
518 dst_rect
= *dst_rect_in
;
520 GetClientRect(swapchain
->win_handle
, &dst_rect
);
522 if (!render_to_fbo
&& (dst_rect
.left
|| dst_rect
.top
523 || dst_rect
.right
!= swapchain
->desc
.backbuffer_width
524 || dst_rect
.bottom
!= swapchain
->desc
.backbuffer_height
))
525 render_to_fbo
= TRUE
;
527 /* Rendering to a window of different size, presenting partial rectangles,
528 * or rendering to a different window needs help from FBO_blit or a textured
529 * draw. Render the swapchain to a FBO in the future.
531 * Note that FBO_blit from the backbuffer to the frontbuffer cannot solve
532 * all these issues - this fails if the window is smaller than the backbuffer.
534 if (!swapchain
->render_to_fbo
&& render_to_fbo
&& wined3d_settings
.offscreen_rendering_mode
== ORM_FBO
)
536 surface_load_location(back_buffer
, SFLAG_INTEXTURE
, NULL
);
537 surface_modify_location(back_buffer
, SFLAG_INDRAWABLE
, FALSE
);
538 swapchain
->render_to_fbo
= TRUE
;
539 swapchain_update_draw_bindings(swapchain
);
543 surface_load_location(back_buffer
, back_buffer
->draw_binding
, NULL
);
546 if (swapchain
->render_to_fbo
)
548 /* This codepath should only be hit with the COPY swapeffect. Otherwise a backbuffer-
549 * window size mismatch is impossible(fullscreen) and src and dst rectangles are
550 * not allowed(they need the COPY swapeffect)
552 * The DISCARD swap effect is ok as well since any backbuffer content is allowed after
554 if (swapchain
->desc
.swap_effect
== WINED3D_SWAP_EFFECT_FLIP
)
555 FIXME("Render-to-fbo with WINED3D_SWAP_EFFECT_FLIP\n");
557 swapchain_blit(swapchain
, context
, &src_rect
, &dst_rect
);
560 if (swapchain
->num_contexts
> 1)
561 gl_info
->gl_ops
.gl
.p_glFinish();
562 SwapBuffers(context
->hdc
); /* TODO: cycle through the swapchain buffers */
564 TRACE("SwapBuffers called, Starting new frame\n");
568 DWORD time
= GetTickCount();
571 /* every 1.5 seconds */
572 if (time
- swapchain
->prev_time
> 1500)
574 TRACE_(fps
)("%p @ approx %.2ffps\n",
575 swapchain
, 1000.0 * swapchain
->frames
/ (time
- swapchain
->prev_time
));
576 swapchain
->prev_time
= time
;
577 swapchain
->frames
= 0;
581 /* This is disabled, but the code left in for debug purposes.
583 * Since we're allowed to modify the new back buffer on a D3DSWAPEFFECT_DISCARD flip,
584 * we can clear it with some ugly color to make bad drawing visible and ease debugging.
585 * The Debug runtime does the same on Windows. However, a few games do not redraw the
586 * screen properly, like Max Payne 2, which leaves a few pixels undefined.
588 * Tests show that the content of the back buffer after a discard flip is indeed not
589 * reliable, so no game can depend on the exact content. However, it resembles the
590 * old contents in some way, for example by showing fragments at other locations. In
591 * general, the color theme is still intact. So Max payne, which draws rather dark scenes
592 * gets a dark background image. If we clear it with a bright ugly color, the game's
593 * bug shows up much more than it does on Windows, and the players see single pixels
595 * (The Max Payne bug has been confirmed on Windows with the debug runtime) */
596 if (FALSE
&& swapchain
->desc
.swap_effect
== WINED3D_SWAP_EFFECT_DISCARD
)
598 static const struct wined3d_color cyan
= {0.0f
, 1.0f
, 1.0f
, 1.0f
};
600 TRACE("Clearing the color buffer with cyan color\n");
602 wined3d_device_clear(swapchain
->device
, 0, NULL
,
603 WINED3DCLEAR_TARGET
, &cyan
, 1.0f
, 0);
606 if (!swapchain
->render_to_fbo
&& ((swapchain
->front_buffer
->flags
& SFLAG_INSYSMEM
)
607 || (back_buffer
->flags
& SFLAG_INSYSMEM
)))
609 /* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying
610 * Doesn't work with render_to_fbo because we're not flipping
612 struct wined3d_surface
*front
= swapchain
->front_buffer
;
614 if (front
->resource
.size
== back_buffer
->resource
.size
)
617 flip_surface(front
, back_buffer
);
619 /* Tell the front buffer surface that is has been modified. However,
620 * the other locations were preserved during that, so keep the flags.
621 * This serves to update the emulated overlay, if any. */
622 fbflags
= front
->flags
;
623 surface_modify_location(front
, SFLAG_INDRAWABLE
, TRUE
);
624 front
->flags
= fbflags
;
628 surface_modify_location(front
, SFLAG_INDRAWABLE
, TRUE
);
629 surface_modify_location(back_buffer
, SFLAG_INDRAWABLE
, TRUE
);
634 surface_modify_location(swapchain
->front_buffer
, SFLAG_INDRAWABLE
, TRUE
);
635 /* If the swapeffect is DISCARD, the back buffer is undefined. That means the SYSMEM
636 * and INTEXTURE copies can keep their old content if they have any defined content.
637 * If the swapeffect is COPY, the content remains the same. If it is FLIP however,
638 * the texture / sysmem copy needs to be reloaded from the drawable
640 if (swapchain
->desc
.swap_effect
== WINED3D_SWAP_EFFECT_FLIP
)
641 surface_modify_location(back_buffer
, back_buffer
->draw_binding
, TRUE
);
644 if (fb
->depth_stencil
)
646 if (swapchain
->desc
.flags
& WINED3DPRESENTFLAG_DISCARD_DEPTHSTENCIL
647 || fb
->depth_stencil
->flags
& SFLAG_DISCARD
)
649 surface_modify_ds_location(fb
->depth_stencil
, SFLAG_DISCARDED
,
650 fb
->depth_stencil
->resource
.width
,
651 fb
->depth_stencil
->resource
.height
);
652 if (fb
->depth_stencil
== swapchain
->device
->onscreen_depth_stencil
)
654 wined3d_surface_decref(swapchain
->device
->onscreen_depth_stencil
);
655 swapchain
->device
->onscreen_depth_stencil
= NULL
;
660 context_release(context
);
663 static const struct wined3d_swapchain_ops swapchain_gl_ops
=
665 swapchain_gl_present
,
668 /* Helper function that blits the front buffer contents to the target window. */
669 void x11_copy_to_screen(const struct wined3d_swapchain
*swapchain
, const RECT
*rect
)
671 const struct wined3d_surface
*front
;
672 POINT offset
= {0, 0};
677 TRACE("swapchain %p, rect %s.\n", swapchain
, wine_dbgstr_rect(rect
));
679 front
= swapchain
->front_buffer
;
680 if (!(front
->resource
.usage
& WINED3DUSAGE_RENDERTARGET
))
683 if (front
->resource
.map_count
)
684 ERR("Trying to blit a mapped surface.\n");
686 TRACE("Copying surface %p to screen.\n", front
);
689 window
= swapchain
->win_handle
;
690 dst_dc
= GetDCEx(window
, 0, DCX_CLIPSIBLINGS
| DCX_CACHE
);
692 /* Front buffer coordinates are screen coordinates. Map them to the
693 * destination window if not fullscreened. */
694 if (swapchain
->desc
.windowed
)
695 ClientToScreen(window
, &offset
);
697 TRACE("offset %s.\n", wine_dbgstr_point(&offset
));
700 draw_rect
.right
= front
->resource
.width
;
702 draw_rect
.bottom
= front
->resource
.height
;
705 IntersectRect(&draw_rect
, &draw_rect
, rect
);
707 BitBlt(dst_dc
, draw_rect
.left
- offset
.x
, draw_rect
.top
- offset
.y
,
708 draw_rect
.right
- draw_rect
.left
, draw_rect
.bottom
- draw_rect
.top
,
709 src_dc
, draw_rect
.left
, draw_rect
.top
, SRCCOPY
);
710 ReleaseDC(window
, dst_dc
);
713 static void swapchain_gdi_present(struct wined3d_swapchain
*swapchain
, const RECT
*src_rect_in
,
714 const RECT
*dst_rect_in
, const RGNDATA
*dirty_region
, DWORD flags
)
716 struct wined3d_surface
*front
, *back
;
718 front
= swapchain
->front_buffer
;
719 back
= swapchain
->back_buffers
[0];
725 front
->hDC
= back
->hDC
;
729 /* Flip the DIBsection. */
732 tmp
= front
->dib
.DIBsection
;
733 front
->dib
.DIBsection
= back
->dib
.DIBsection
;
734 back
->dib
.DIBsection
= tmp
;
737 /* Flip the surface data. */
741 tmp
= front
->dib
.bitmap_data
;
742 front
->dib
.bitmap_data
= back
->dib
.bitmap_data
;
743 back
->dib
.bitmap_data
= tmp
;
745 tmp
= front
->resource
.allocatedMemory
;
746 front
->resource
.allocatedMemory
= back
->resource
.allocatedMemory
;
747 back
->resource
.allocatedMemory
= tmp
;
749 if (front
->resource
.heapMemory
)
750 ERR("GDI Surface %p has heap memory allocated.\n", front
);
752 if (back
->resource
.heapMemory
)
753 ERR("GDI Surface %p has heap memory allocated.\n", back
);
759 static LONG prev_time
, frames
;
760 DWORD time
= GetTickCount();
764 /* every 1.5 seconds */
765 if (time
- prev_time
> 1500)
767 TRACE_(fps
)("@ approx %.2ffps\n", 1000.0 * frames
/ (time
- prev_time
));
773 x11_copy_to_screen(swapchain
, NULL
);
776 static const struct wined3d_swapchain_ops swapchain_gdi_ops
=
778 swapchain_gdi_present
,
781 void swapchain_update_render_to_fbo(struct wined3d_swapchain
*swapchain
)
785 if (wined3d_settings
.offscreen_rendering_mode
!= ORM_FBO
)
788 if (!swapchain
->desc
.backbuffer_count
)
790 TRACE("Single buffered rendering.\n");
791 swapchain
->render_to_fbo
= FALSE
;
795 GetClientRect(swapchain
->win_handle
, &client_rect
);
797 TRACE("Backbuffer %ux%u, window %ux%u.\n",
798 swapchain
->desc
.backbuffer_width
,
799 swapchain
->desc
.backbuffer_height
,
800 client_rect
.right
, client_rect
.bottom
);
801 TRACE("Multisample type %#x, quality %#x.\n",
802 swapchain
->desc
.multisample_type
,
803 swapchain
->desc
.multisample_quality
);
805 if (!wined3d_settings
.always_offscreen
&& !swapchain
->desc
.multisample_type
806 && swapchain
->desc
.backbuffer_width
== client_rect
.right
807 && swapchain
->desc
.backbuffer_height
== client_rect
.bottom
)
809 TRACE("Backbuffer dimensions match window dimensions, rendering onscreen.\n");
810 swapchain
->render_to_fbo
= FALSE
;
814 TRACE("Rendering to FBO.\n");
815 swapchain
->render_to_fbo
= TRUE
;
818 /* Do not call while under the GL lock. */
819 static HRESULT
swapchain_init(struct wined3d_swapchain
*swapchain
, enum wined3d_surface_type surface_type
,
820 struct wined3d_device
*device
, struct wined3d_swapchain_desc
*desc
,
821 void *parent
, const struct wined3d_parent_ops
*parent_ops
)
823 const struct wined3d_adapter
*adapter
= device
->adapter
;
824 const struct wined3d_format
*format
;
825 struct wined3d_display_mode mode
;
826 BOOL displaymode_set
= FALSE
;
832 if (desc
->backbuffer_count
> WINED3DPRESENT_BACK_BUFFER_MAX
)
834 FIXME("The application requested %u back buffers, this is not supported.\n",
835 desc
->backbuffer_count
);
836 return WINED3DERR_INVALIDCALL
;
839 if (desc
->backbuffer_count
> 1)
841 FIXME("The application requested more than one back buffer, this is not properly supported.\n"
842 "Please configure the application to use double buffering (1 back buffer) if possible.\n");
845 switch (surface_type
)
847 case WINED3D_SURFACE_TYPE_GDI
:
848 swapchain
->swapchain_ops
= &swapchain_gdi_ops
;
851 case WINED3D_SURFACE_TYPE_OPENGL
:
852 swapchain
->swapchain_ops
= &swapchain_gl_ops
;
856 ERR("Invalid surface type %#x.\n", surface_type
);
857 return WINED3DERR_INVALIDCALL
;
860 window
= desc
->device_window
? desc
->device_window
: device
->create_parms
.focus_window
;
862 swapchain
->device
= device
;
863 swapchain
->parent
= parent
;
864 swapchain
->parent_ops
= parent_ops
;
866 swapchain
->win_handle
= window
;
867 swapchain
->device_window
= window
;
869 wined3d_get_adapter_display_mode(device
->wined3d
, adapter
->ordinal
, &mode
, NULL
);
870 swapchain
->orig_width
= mode
.width
;
871 swapchain
->orig_height
= mode
.height
;
872 swapchain
->orig_fmt
= mode
.format_id
;
873 format
= wined3d_get_format(&adapter
->gl_info
, mode
.format_id
);
875 GetClientRect(window
, &client_rect
);
877 && (!desc
->backbuffer_width
|| !desc
->backbuffer_height
878 || desc
->backbuffer_format
== WINED3DFMT_UNKNOWN
))
881 if (!desc
->backbuffer_width
)
883 desc
->backbuffer_width
= client_rect
.right
;
884 TRACE("Updating width to %u.\n", desc
->backbuffer_width
);
887 if (!desc
->backbuffer_height
)
889 desc
->backbuffer_height
= client_rect
.bottom
;
890 TRACE("Updating height to %u.\n", desc
->backbuffer_height
);
893 if (desc
->backbuffer_format
== WINED3DFMT_UNKNOWN
)
895 desc
->backbuffer_format
= swapchain
->orig_fmt
;
896 TRACE("Updating format to %s.\n", debug_d3dformat(swapchain
->orig_fmt
));
899 swapchain
->desc
= *desc
;
900 swapchain_update_render_to_fbo(swapchain
);
902 TRACE("Creating front buffer.\n");
903 if (FAILED(hr
= device
->device_parent
->ops
->create_swapchain_surface(device
->device_parent
, parent
,
904 swapchain
->desc
.backbuffer_width
, swapchain
->desc
.backbuffer_height
,
905 swapchain
->desc
.backbuffer_format
, WINED3DUSAGE_RENDERTARGET
,
906 swapchain
->desc
.multisample_type
, swapchain
->desc
.multisample_quality
,
907 &swapchain
->front_buffer
)))
909 WARN("Failed to create front buffer, hr %#x.\n", hr
);
913 if (swapchain
->front_buffer
->container
.type
== WINED3D_CONTAINER_NONE
)
914 surface_set_container(swapchain
->front_buffer
, WINED3D_CONTAINER_SWAPCHAIN
, swapchain
);
915 if (surface_type
== WINED3D_SURFACE_TYPE_OPENGL
)
916 surface_modify_location(swapchain
->front_buffer
, SFLAG_INDRAWABLE
, TRUE
);
918 /* MSDN says we're only allowed a single fullscreen swapchain per device,
919 * so we should really check to see if there is a fullscreen swapchain
920 * already. Does a single head count as full screen? */
924 struct wined3d_display_mode mode
;
926 /* Change the display settings */
927 mode
.width
= desc
->backbuffer_width
;
928 mode
.height
= desc
->backbuffer_height
;
929 mode
.format_id
= desc
->backbuffer_format
;
930 mode
.refresh_rate
= desc
->refresh_rate
;
931 mode
.scanline_ordering
= WINED3D_SCANLINE_ORDERING_UNKNOWN
;
933 if (FAILED(hr
= wined3d_set_adapter_display_mode(device
->wined3d
, device
->adapter
->ordinal
, &mode
)))
935 WARN("Failed to set display mode, hr %#x.\n", hr
);
938 displaymode_set
= TRUE
;
941 if (surface_type
== WINED3D_SURFACE_TYPE_OPENGL
)
943 static const enum wined3d_format_id formats
[] =
945 WINED3DFMT_D24_UNORM_S8_UINT
,
946 WINED3DFMT_D32_UNORM
,
947 WINED3DFMT_R24_UNORM_X8_TYPELESS
,
948 WINED3DFMT_D16_UNORM
,
949 WINED3DFMT_S1_UINT_D15_UNORM
952 const struct wined3d_gl_info
*gl_info
= &device
->adapter
->gl_info
;
954 swapchain
->context
= HeapAlloc(GetProcessHeap(), 0, sizeof(*swapchain
->context
));
955 if (!swapchain
->context
)
957 ERR("Failed to create the context array.\n");
961 swapchain
->num_contexts
= 1;
963 /* In WGL both color, depth and stencil are features of a pixel format. In case of D3D they are separate.
964 * You are able to add a depth + stencil surface at a later stage when you need it.
965 * In order to support this properly in WineD3D we need the ability to recreate the opengl context and
966 * drawable when this is required. This is very tricky as we need to reapply ALL opengl states for the new
967 * context, need torecreate shaders, textures and other resources.
969 * The context manager already takes care of the state problem and for the other tasks code from Reset
970 * can be used. These changes are way to risky during the 1.0 code freeze which is taking place right now.
971 * Likely a lot of other new bugs will be exposed. For that reason request a depth stencil surface all the
972 * time. It can cause a slight performance hit but fixes a lot of regressions. A fixme reminds of that this
973 * issue needs to be fixed. */
974 for (i
= 0; i
< (sizeof(formats
) / sizeof(*formats
)); i
++)
976 swapchain
->ds_format
= wined3d_get_format(gl_info
, formats
[i
]);
977 swapchain
->context
[0] = context_create(swapchain
, swapchain
->front_buffer
, swapchain
->ds_format
);
978 if (swapchain
->context
[0]) break;
979 TRACE("Depth stencil format %s is not supported, trying next format\n",
980 debug_d3dformat(formats
[i
]));
983 if (!swapchain
->context
[0])
985 WARN("Failed to create context.\n");
986 hr
= WINED3DERR_NOTAVAILABLE
;
990 if (wined3d_settings
.offscreen_rendering_mode
!= ORM_FBO
991 && (!desc
->enable_auto_depth_stencil
992 || swapchain
->desc
.auto_depth_stencil_format
!= swapchain
->ds_format
->id
))
994 FIXME("Add OpenGL context recreation support to context_validate_onscreen_formats\n");
996 context_release(swapchain
->context
[0]);
999 if (swapchain
->desc
.backbuffer_count
> 0)
1001 swapchain
->back_buffers
= HeapAlloc(GetProcessHeap(), 0,
1002 sizeof(*swapchain
->back_buffers
) * swapchain
->desc
.backbuffer_count
);
1003 if (!swapchain
->back_buffers
)
1005 ERR("Failed to allocate backbuffer array memory.\n");
1010 for (i
= 0; i
< swapchain
->desc
.backbuffer_count
; ++i
)
1012 TRACE("Creating back buffer %u.\n", i
);
1013 if (FAILED(hr
= device
->device_parent
->ops
->create_swapchain_surface(device
->device_parent
, parent
,
1014 swapchain
->desc
.backbuffer_width
, swapchain
->desc
.backbuffer_height
,
1015 swapchain
->desc
.backbuffer_format
, WINED3DUSAGE_RENDERTARGET
,
1016 swapchain
->desc
.multisample_type
, swapchain
->desc
.multisample_quality
,
1017 &swapchain
->back_buffers
[i
])))
1019 WARN("Failed to create back buffer %u, hr %#x.\n", i
, hr
);
1022 if (swapchain
->back_buffers
[i
]->container
.type
== WINED3D_CONTAINER_NONE
)
1023 surface_set_container(swapchain
->back_buffers
[i
], WINED3D_CONTAINER_SWAPCHAIN
, swapchain
);
1027 /* Swapchains share the depth/stencil buffer, so only create a single depthstencil surface. */
1028 if (desc
->enable_auto_depth_stencil
&& surface_type
== WINED3D_SURFACE_TYPE_OPENGL
)
1030 TRACE("Creating depth/stencil buffer.\n");
1031 if (!device
->auto_depth_stencil
)
1033 if (FAILED(hr
= device
->device_parent
->ops
->create_swapchain_surface(device
->device_parent
,
1034 device
->device_parent
, swapchain
->desc
.backbuffer_width
, swapchain
->desc
.backbuffer_height
,
1035 swapchain
->desc
.auto_depth_stencil_format
, WINED3DUSAGE_DEPTHSTENCIL
,
1036 swapchain
->desc
.multisample_type
, swapchain
->desc
.multisample_quality
,
1037 &device
->auto_depth_stencil
)))
1039 WARN("Failed to create the auto depth stencil, hr %#x.\n", hr
);
1043 surface_set_container(device
->auto_depth_stencil
, WINED3D_CONTAINER_NONE
, NULL
);
1047 wined3d_swapchain_get_gamma_ramp(swapchain
, &swapchain
->orig_gamma
);
1052 if (displaymode_set
)
1058 /* Change the display settings */
1059 memset(&devmode
, 0, sizeof(devmode
));
1060 devmode
.dmSize
= sizeof(devmode
);
1061 devmode
.dmFields
= DM_BITSPERPEL
| DM_PELSWIDTH
| DM_PELSHEIGHT
;
1062 devmode
.dmBitsPerPel
= format
->byte_count
* CHAR_BIT
;
1063 devmode
.dmPelsWidth
= swapchain
->orig_width
;
1064 devmode
.dmPelsHeight
= swapchain
->orig_height
;
1065 ChangeDisplaySettingsExW(adapter
->DeviceName
, &devmode
, NULL
, CDS_FULLSCREEN
, NULL
);
1068 if (swapchain
->back_buffers
)
1070 for (i
= 0; i
< swapchain
->desc
.backbuffer_count
; ++i
)
1072 if (swapchain
->back_buffers
[i
])
1074 surface_set_container(swapchain
->back_buffers
[i
], WINED3D_CONTAINER_NONE
, NULL
);
1075 wined3d_surface_decref(swapchain
->back_buffers
[i
]);
1078 HeapFree(GetProcessHeap(), 0, swapchain
->back_buffers
);
1081 if (swapchain
->context
)
1083 if (swapchain
->context
[0])
1085 context_release(swapchain
->context
[0]);
1086 context_destroy(device
, swapchain
->context
[0]);
1087 swapchain
->num_contexts
= 0;
1089 HeapFree(GetProcessHeap(), 0, swapchain
->context
);
1092 if (swapchain
->front_buffer
)
1094 surface_set_container(swapchain
->front_buffer
, WINED3D_CONTAINER_NONE
, NULL
);
1095 wined3d_surface_decref(swapchain
->front_buffer
);
1101 /* Do not call while under the GL lock. */
1102 HRESULT CDECL
wined3d_swapchain_create(struct wined3d_device
*device
,
1103 struct wined3d_swapchain_desc
*desc
, enum wined3d_surface_type surface_type
,
1104 void *parent
, const struct wined3d_parent_ops
*parent_ops
,
1105 struct wined3d_swapchain
**swapchain
)
1107 struct wined3d_swapchain
*object
;
1110 TRACE("device %p, desc %p, swapchain %p, parent %p, surface_type %#x.\n",
1111 device
, desc
, swapchain
, parent
, surface_type
);
1113 object
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*object
));
1116 ERR("Failed to allocate swapchain memory.\n");
1117 return E_OUTOFMEMORY
;
1120 hr
= swapchain_init(object
, surface_type
, device
, desc
, parent
, parent_ops
);
1123 WARN("Failed to initialize swapchain, hr %#x.\n", hr
);
1124 HeapFree(GetProcessHeap(), 0, object
);
1128 TRACE("Created swapchain %p.\n", object
);
1129 *swapchain
= object
;
1134 /* Do not call while under the GL lock. */
1135 static struct wined3d_context
*swapchain_create_context(struct wined3d_swapchain
*swapchain
)
1137 struct wined3d_context
**newArray
;
1138 struct wined3d_context
*ctx
;
1140 TRACE("Creating a new context for swapchain %p, thread %u.\n", swapchain
, GetCurrentThreadId());
1142 if (!(ctx
= context_create(swapchain
, swapchain
->front_buffer
, swapchain
->ds_format
)))
1144 ERR("Failed to create a new context for the swapchain\n");
1147 context_release(ctx
);
1149 newArray
= HeapAlloc(GetProcessHeap(), 0, sizeof(*newArray
) * (swapchain
->num_contexts
+ 1));
1151 ERR("Out of memory when trying to allocate a new context array\n");
1152 context_destroy(swapchain
->device
, ctx
);
1155 memcpy(newArray
, swapchain
->context
, sizeof(*newArray
) * swapchain
->num_contexts
);
1156 HeapFree(GetProcessHeap(), 0, swapchain
->context
);
1157 newArray
[swapchain
->num_contexts
] = ctx
;
1158 swapchain
->context
= newArray
;
1159 swapchain
->num_contexts
++;
1161 TRACE("Returning context %p\n", ctx
);
1165 void swapchain_destroy_contexts(struct wined3d_swapchain
*swapchain
)
1169 for (i
= 0; i
< swapchain
->num_contexts
; ++i
)
1171 context_destroy(swapchain
->device
, swapchain
->context
[i
]);
1173 swapchain
->num_contexts
= 0;
1176 struct wined3d_context
*swapchain_get_context(struct wined3d_swapchain
*swapchain
)
1178 DWORD tid
= GetCurrentThreadId();
1181 for (i
= 0; i
< swapchain
->num_contexts
; ++i
)
1183 if (swapchain
->context
[i
]->tid
== tid
)
1184 return swapchain
->context
[i
];
1187 /* Create a new context for the thread */
1188 return swapchain_create_context(swapchain
);
1191 void get_drawable_size_swapchain(const struct wined3d_context
*context
, UINT
*width
, UINT
*height
)
1193 /* The drawable size of an onscreen drawable is the surface size.
1194 * (Actually: The window size, but the surface is created in window size) */
1195 *width
= context
->current_rt
->resource
.width
;
1196 *height
= context
->current_rt
->resource
.height
;
1199 HDC
swapchain_get_backup_dc(struct wined3d_swapchain
*swapchain
)
1201 if (!swapchain
->backup_dc
)
1203 TRACE("Creating the backup window for swapchain %p.\n", swapchain
);
1205 if (!(swapchain
->backup_wnd
= CreateWindowA(WINED3D_OPENGL_WINDOW_CLASS_NAME
, "WineD3D fake window",
1206 WS_OVERLAPPEDWINDOW
, 10, 10, 10, 10, NULL
, NULL
, NULL
, NULL
)))
1208 ERR("Failed to create a window.\n");
1212 if (!(swapchain
->backup_dc
= GetDC(swapchain
->backup_wnd
)))
1214 ERR("Failed to get a DC.\n");
1215 DestroyWindow(swapchain
->backup_wnd
);
1216 swapchain
->backup_wnd
= NULL
;
1221 return swapchain
->backup_dc
;
1224 void swapchain_update_draw_bindings(struct wined3d_swapchain
*swapchain
)
1228 surface_update_draw_binding(swapchain
->front_buffer
);
1230 for (i
= 0; i
< swapchain
->desc
.backbuffer_count
; ++i
)
1232 surface_update_draw_binding(swapchain
->back_buffers
[i
]);