summaryrefslogtreecommitdiffstatshomepage
path: root/src/osd/sdl/window.cpp
blob: 48c811f4cf1e14084c7aa8b5685fa3b04b22df15 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
// license:BSD-3-Clause
// copyright-holders:Olivier Galibert, R. Belmont
//============================================================
//
//  window.c - SDL window handling
//
//  SDLMAME by Olivier Galibert and R. Belmont
//
//============================================================

#ifdef SDLMAME_WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif

// standard SDL headers
#include <SDL2/SDL.h>

// standard C headers
#include <math.h>
#ifndef _MSC_VER
#include <unistd.h>
#endif
#include <list>
#include <memory>

// MAME headers

#include "emu.h"
#include "emuopts.h"
#include "render.h"
#include "ui/uimain.h"

// OSD headers

#include "window.h"
#include "osdsdl.h"
#include "modules/render/drawbgfx.h"
#include "modules/render/drawsdl.h"
#include "modules/render/draw13.h"
#include "modules/monitor/monitor_common.h"
#if (USE_OPENGL)
#include "modules/render/drawogl.h"
#endif

//============================================================
//  PARAMETERS
//============================================================

// these are arbitrary values since AFAIK there's no way to make X/SDL tell you
#define WINDOW_DECORATION_WIDTH (8) // should be more than plenty
#define WINDOW_DECORATION_HEIGHT (48)   // title bar + bottom drag region

// minimum window dimension
#define MIN_WINDOW_DIM                  200

#ifndef SDLMAME_WIN32
#define WMSZ_TOP            (0)
#define WMSZ_BOTTOM         (1)
#define WMSZ_BOTTOMLEFT     (2)
#define WMSZ_BOTTOMRIGHT    (3)
#define WMSZ_LEFT           (4)
#define WMSZ_TOPLEFT        (5)
#define WMSZ_TOPRIGHT       (6)
#define WMSZ_RIGHT          (7)
#endif

#define SDL_VERSION_EQUALS(v1, vnum2) (SDL_VERSIONNUM(v1.major, v1.minor, v1.patch) == vnum2)

class SDL_DM_Wrapper
{
public:
	SDL_DisplayMode mode;
};

// debugger
//static int in_background;


//============================================================
//  PROTOTYPES
//============================================================


//============================================================
//  window_init
//  (main thread)
//============================================================

bool sdl_osd_interface::window_init()
{
	osd_printf_verbose("Enter sdlwindow_init\n");

	// initialize the drawers

	switch (video_config.mode)
	{
		case VIDEO_MODE_BGFX:
			renderer_bgfx::init(machine());
			break;
#if (USE_OPENGL)
		case VIDEO_MODE_OPENGL:
			renderer_ogl::init(machine());
			break;
#endif
		case VIDEO_MODE_SDL2ACCEL:
			renderer_sdl2::init(machine());
			break;
		case VIDEO_MODE_SOFT:
			renderer_sdl1::init(machine());
			break;
	}

	/* We may want to set a number of the hints SDL2 provides.
	 * The code below will document which hints were set.
	 */
	const char * hints[] = { SDL_HINT_FRAMEBUFFER_ACCELERATION,
			SDL_HINT_RENDER_DRIVER, SDL_HINT_RENDER_OPENGL_SHADERS,
			SDL_HINT_RENDER_SCALE_QUALITY,
			SDL_HINT_RENDER_VSYNC,
			SDL_HINT_VIDEO_X11_XVIDMODE, SDL_HINT_VIDEO_X11_XINERAMA,
			SDL_HINT_VIDEO_X11_XRANDR, SDL_HINT_GRAB_KEYBOARD,
			SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, SDL_HINT_IDLE_TIMER_DISABLED,
			SDL_HINT_ORIENTATIONS,
			SDL_HINT_XINPUT_ENABLED, SDL_HINT_GAMECONTROLLERCONFIG,
			SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, SDL_HINT_ALLOW_TOPMOST,
			SDL_HINT_TIMER_RESOLUTION,
#if SDL_VERSION_ATLEAST(2, 0, 2)
			SDL_HINT_RENDER_DIRECT3D_THREADSAFE, SDL_HINT_VIDEO_ALLOW_SCREENSAVER,
			SDL_HINT_ACCELEROMETER_AS_JOYSTICK, SDL_HINT_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK,
			SDL_HINT_VIDEO_WIN_D3DCOMPILER, SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT,
			SDL_HINT_VIDEO_MAC_FULLSCREEN_SPACES, SDL_HINT_MOUSE_RELATIVE_MODE_WARP,
#endif
#if SDL_VERSION_ATLEAST(2, 0, 3)
			SDL_HINT_RENDER_DIRECT3D11_DEBUG, SDL_HINT_VIDEO_HIGHDPI_DISABLED,
			SDL_HINT_WINRT_PRIVACY_POLICY_URL, SDL_HINT_WINRT_PRIVACY_POLICY_LABEL,
			SDL_HINT_WINRT_HANDLE_BACK_BUTTON,
#endif
			nullptr
	};

	osd_printf_verbose("\nHints:\n");
	for (int i = 0; hints[i] != nullptr; i++)
		osd_printf_verbose("\t%-40s %s\n", hints[i], SDL_GetHint(hints[i]));

	// set up the window list
	osd_printf_verbose("Leave sdlwindow_init\n");
	return true;
}


void sdl_osd_interface::update_slider_list()
{
	for (auto window : osd_common_t::s_window_list)
	{
		// check if any window has dirty sliders
		if (window->renderer().sliders_dirty())
		{
			build_slider_list();
			return;
		}
	}
}

void sdl_osd_interface::build_slider_list()
{
	m_sliders.clear();

	for (auto window : osd_common_t::s_window_list)
	{
		std::vector<ui::menu_item> window_sliders = window->renderer().get_slider_list();
		m_sliders.insert(m_sliders.end(), window_sliders.begin(), window_sliders.end());
	}
}

//============================================================
//  sdlwindow_exit
//  (main thread)
//============================================================

void sdl_osd_interface::window_exit()
{
	osd_printf_verbose("Enter sdlwindow_exit\n");

	// free all the windows
	while (!osd_common_t::s_window_list.empty())
	{
		auto window = osd_common_t::s_window_list.front();

		// Part of destroy removes the window from the list
		window->destroy();
	}

	switch(video_config.mode)
	{
		case VIDEO_MODE_SDL2ACCEL:
			renderer_sdl1::exit();
			break;
		case VIDEO_MODE_SOFT:
			renderer_sdl1::exit();
			break;
		case VIDEO_MODE_BGFX:
			renderer_bgfx::exit();
			break;
#if (USE_OPENGL)
		case VIDEO_MODE_OPENGL:
			renderer_ogl::exit();
			break;
#endif
		default:
			break;
	}
	osd_printf_verbose("Leave sdlwindow_exit\n");
}

void sdl_window_info::capture_pointer()
{
	if (!m_mouse_captured)
	{
		SDL_SetWindowGrab(platform_window<SDL_Window*>(), SDL_TRUE);
		SDL_SetRelativeMouseMode(SDL_TRUE);
		m_mouse_captured = true;
	}
}

void sdl_window_info::release_pointer()
{
	if (m_mouse_captured)
	{
		SDL_SetWindowGrab(platform_window<SDL_Window*>(), SDL_FALSE);
		SDL_SetRelativeMouseMode(SDL_FALSE);
		m_mouse_captured = false;
	}
}

void sdl_window_info::hide_pointer()
{
	if (!m_mouse_hidden)
	{
		SDL_ShowCursor(SDL_DISABLE);
		m_mouse_hidden = true;
	}
}

void sdl_window_info::show_pointer()
{
	if (m_mouse_hidden)
	{
		SDL_ShowCursor(SDL_ENABLE);
		m_mouse_hidden = false;
	}
}


//============================================================
//  sdlwindow_resize
//============================================================

void sdl_window_info::resize(int32_t width, int32_t height)
{
	osd_dim cd = get_size();

	if (width != cd.width() || height != cd.height())
	{
		SDL_SetWindowSize(platform_window<SDL_Window*>(), width, height);
		renderer().notify_changed();
	}
}


//============================================================
//  sdlwindow_clear_surface
//============================================================

void sdl_window_info::notify_changed()
{
	renderer().notify_changed();
}


//============================================================
//  sdlwindow_toggle_full_screen
//============================================================

void sdl_window_info::toggle_full_screen()
{
	// if we are in debug mode, never go full screen
	if (machine().debug_flags & DEBUG_FLAG_OSD_ENABLED)
		return;

	// If we are going fullscreen (leaving windowed) remember our windowed size
	if (!fullscreen())
	{
		m_windowed_dim = get_size();
	}

	// reset UI to main menu
	machine().ui().menu_reset();
	// kill off the drawers
	renderer_reset();
//	set_platform_window(nullptr);
	bool is_osx = false;
#ifdef SDLMAME_MACOSX
	// FIXME: This is weird behaviour and certainly a bug in SDL
	is_osx = true;
#endif
	if (fullscreen() && (video_config.switchres || is_osx))
	{
		SDL_SetWindowFullscreen(platform_window<SDL_Window*>(), 0);    // Try to set mode
		SDL_SetWindowDisplayMode(platform_window<SDL_Window*>(), &m_original_mode->mode);    // Try to set mode
		SDL_SetWindowFullscreen(platform_window<SDL_Window*>(), SDL_WINDOW_FULLSCREEN);    // Try to set mode
	}
	SDL_DestroyWindow(platform_window<SDL_Window*>());

	downcast<sdl_osd_interface &>(machine().osd()).release_keys();

	set_renderer(osd_renderer::make_for_type(video_config.mode, shared_from_this()));

	// toggle the window mode
	set_fullscreen(!fullscreen());

	complete_create();
}

void sdl_window_info::modify_prescale(int dir)
{
	int new_prescale = prescale();

	if (dir > 0 && prescale() < 3)
		new_prescale = prescale() + 1;
	if (dir < 0 && prescale() > 1)
		new_prescale = prescale() - 1;

	if (new_prescale != prescale())
	{
		if (m_fullscreen && video_config.switchres)
		{
			complete_destroy();

			m_prescale = new_prescale;

			complete_create();
		}
		else
		{
			notify_changed();
			m_prescale = new_prescale;
		}
		machine().ui().popup_time(1, "Prescale %d", prescale());
	}
}

//============================================================
//  sdlwindow_update_cursor_state
//  (main or window thread)
//============================================================

void sdl_window_info::update_cursor_state()
{
#if (USE_XINPUT)
	// Hack for wii-lightguns:
	// they stop working with a grabbed mouse;
	// even a ShowCursor(SDL_DISABLE) already does this.
	// To make the cursor disappear, we'll just set an empty cursor image.
	unsigned char data[]={0,0,0,0,0,0,0,0};
	SDL_Cursor *c;
	c=SDL_CreateCursor(data, data, 8, 8, 0, 0);
	SDL_SetCursor(c);
#else
	// do not do mouse capture if the debugger's enabled to avoid
	// the possibility of losing control
	if (!(machine().debug_flags & DEBUG_FLAG_OSD_ENABLED))
	{
		bool should_hide_mouse = downcast<sdl_osd_interface&>(machine().osd()).should_hide_mouse();

		if (!fullscreen() && !should_hide_mouse)
		{
			show_pointer();
			release_pointer();
		}
		else
		{
			hide_pointer();
			capture_pointer();
		}

		SDL_SetCursor(nullptr); // Force an update in case the underlying driver has changed visibility
	}
#endif
}

int sdl_window_info::xy_to_render_target(int x, int y, int *xt, int *yt)
{
	return renderer().xy_to_render_target(x, y, xt, yt);
}

//============================================================
//  sdlwindow_video_window_create
//  (main thread)
//============================================================

int sdl_window_info::window_init()
{
	int result;

	// set the initial maximized state
	// FIXME: Does not belong here
	sdl_options &options = downcast<sdl_options &>(m_machine.options());
	m_startmaximized = options.maximize();

	// add us to the list
	osd_common_t::s_window_list.push_back(std::static_pointer_cast<sdl_window_info>(shared_from_this()));

	set_renderer(osd_renderer::make_for_type(video_config.mode, static_cast<osd_window*>(this)->shared_from_this()));

	// load the layout
	m_target = m_machine.render().target_alloc();

	// set the specific view
	set_starting_view(m_index, options.view(), options.view(m_index));

	// make the window title
	if (video_config.numscreens == 1)
		sprintf(m_title, "%s: %s [%s]", emulator_info::get_appname(), m_machine.system().description, m_machine.system().name);
	else
		sprintf(m_title, "%s: %s [%s] - Screen %d", emulator_info::get_appname(), m_machine.system().description, m_machine.system().name, m_index);

	result = complete_create();

	// handle error conditions
	if (result == 1)
		goto error;

	return 0;

error:
	destroy();
	return 1;
}


//============================================================
//  sdlwindow_video_window_destroy
//============================================================

void sdl_window_info::complete_destroy()
{
	// Release pointer grab and hide if needed
	show_pointer();
	release_pointer();

	if (fullscreen() && video_config.switchres)
	{
		SDL_SetWindowFullscreen(platform_window<SDL_Window*>(), 0);    // Try to set mode
		SDL_SetWindowDisplayMode(platform_window<SDL_Window*>(), &m_original_mode->mode);    // Try to set mode
		SDL_SetWindowFullscreen(platform_window<SDL_Window*>(), SDL_WINDOW_FULLSCREEN);    // Try to set mode
	}

	SDL_DestroyWindow(platform_window<SDL_Window*>());
	// release all keys ...
	downcast<sdl_osd_interface &>(machine().osd()).release_keys();
}

void sdl_window_info::destroy()
{
	//osd_event_wait(window->rendered_event, osd_ticks_per_second()*10);

	// remove us from the list
	osd_common_t::s_window_list.remove(std::static_pointer_cast<sdl_window_info>(shared_from_this()));

	// free the textures etc
	complete_destroy();

	// free the render target, after the textures!
	machine().render().target_free(m_target);

}


//============================================================
//  pick_best_mode
//============================================================

osd_dim sdl_window_info::pick_best_mode()
{
	int minimum_width, minimum_height, target_width, target_height;
	int i;
	int num;
	float size_score, best_score = 0.0f;
	osd_dim ret(0,0);

	// determine the minimum width/height for the selected target
	m_target->compute_minimum_size(minimum_width, minimum_height);

	// use those as the target for now
	target_width = minimum_width * std::max(1, prescale());
	target_height = minimum_height * std::max(1, prescale());

	// if we're not stretching, allow some slop on the minimum since we can handle it
	{
		minimum_width -= 4;
		minimum_height -= 4;
	}

	// FIXME: this should be provided by monitor !
	num = SDL_GetNumDisplayModes(m_monitor->oshandle());

	if (num == 0)
	{
		osd_printf_error("SDL: No modes available?!\n");
		exit(-1);
	}
	else
	{
		for (i = 0; i < num; ++i)
		{
			SDL_DisplayMode mode;
			SDL_GetDisplayMode(m_monitor->oshandle(), i, &mode);

			// compute initial score based on difference between target and current
			size_score = 1.0f / (1.0f + abs((int32_t)mode.w - target_width) + abs((int32_t)mode.h - target_height));

			// if the mode is too small, give a big penalty
			if (mode.w < minimum_width || mode.h < minimum_height)
				size_score *= 0.01f;

			// if mode is smaller than we'd like, it only scores up to 0.1
			if (mode.w < target_width || mode.h < target_height)
				size_score *= 0.1f;

			// if we're looking for a particular mode, that's a winner
			if (mode.w == m_win_config.width && mode.h == m_win_config.height)
				size_score = 2.0f;

			// refresh adds some points
			if (m_win_config.refresh)
				size_score *= 1.0f / (1.0f + abs(m_win_config.refresh - mode.refresh_rate) / 10.0f);

			osd_printf_verbose("%4dx%4d@%2d -> %f\n", (int)mode.w, (int)mode.h, (int) mode.refresh_rate, (double) size_score);

			// best so far?
			if (size_score > best_score)
			{
				best_score = size_score;
				ret = osd_dim(mode.w, mode.h);
			}

		}
	}
	return ret;
}

//============================================================
//  sdlwindow_video_window_update
//  (main thread)
//============================================================

void sdl_window_info::update()
{
	osd_ticks_t     event_wait_ticks;

	// adjust the cursor state
	//sdlwindow_update_cursor_state(machine, window);

	update_cursor_state();

	// if we're visible and running and not in the middle of a resize, draw
	if (m_target != nullptr)
	{
		int tempwidth, tempheight;

		// see if the games video mode has changed
		m_target->compute_minimum_size(tempwidth, tempheight);
		if (osd_dim(tempwidth, tempheight) != m_minimum_dim)
		{
			m_minimum_dim = osd_dim(tempwidth, tempheight);

			if (!this->m_fullscreen)
			{
				//Don't resize window without user interaction;
				//window_resize(blitwidth, blitheight);
			}
			else if (video_config.switchres)
			{
				osd_dim tmp = this->pick_best_mode();
				resize(tmp.width(), tmp.height());
			}
		}

		if (video_config.waitvsync && video_config.syncrefresh)
			event_wait_ticks = osd_ticks_per_second(); // block at most a second
		else
			event_wait_ticks = 0;

		if (m_rendered_event.wait(event_wait_ticks))
		{
			const int update = 1;

			// ensure the target bounds are up-to-date, and then get the primitives

			render_primitive_list &primlist = *renderer().get_primitives();

			// and redraw now

			// Some configurations require events to be polled in the worker thread
			downcast< sdl_osd_interface& >(machine().osd()).process_events_buf();

			// Check whether window has vector screens

			{
				const screen_device *screen = screen_device_iterator(machine().root_device()).byindex(m_index);
				if ((screen != nullptr) && (screen->screen_type() == SCREEN_TYPE_VECTOR))
					renderer().set_flags(osd_renderer::FLAG_HAS_VECTOR_SCREEN);
				else
					renderer().clear_flags(osd_renderer::FLAG_HAS_VECTOR_SCREEN);
			}

			m_primlist = &primlist;

			// if no bitmap, just fill
			if (m_primlist == nullptr)
			{
			}
			// otherwise, render with our drawing system
			else
			{
				if( video_config.perftest )
					measure_fps(update);
				else
					renderer().draw(update);
			}

			/* all done, ready for next */
			m_rendered_event.set();
		}
	}
}


//============================================================
//  set_starting_view
//  (main thread)
//============================================================

void sdl_window_info::set_starting_view(int index, const char *defview, const char *view)
{
	int viewindex;

	// choose non-auto over auto
	if (strcmp(view, "auto") == 0 && strcmp(defview, "auto") != 0)
		view = defview;

	// query the video system to help us pick a view
	viewindex = target()->configured_view(view, index, video_config.numscreens);

	// set the view
	target()->set_view(viewindex);
}


//============================================================
//  complete_create
//============================================================

int sdl_window_info::complete_create()
{
	osd_dim temp(0,0);

	// clear out original mode. Needed on OSX
	if (fullscreen())
	{
		// default to the current mode exactly
		temp = monitor()->position_size().dim();

		// if we're allowed to switch resolutions, override with something better
		if (video_config.switchres)
			temp = pick_best_mode();
	}
	else if (m_windowed_dim.width() > 0)
	{
		// if we have a remembered size force the new window size to it
		temp = m_windowed_dim;
	}
	else if (m_startmaximized)
		temp = get_max_bounds(video_config.keepaspect );
	else
		temp = get_min_bounds(video_config.keepaspect );

	// create the window .....

	/* FIXME: On Ubuntu and potentially other Linux OS you should use
	 * to disable panning. This has to be done before every invocation of mame.
	 *
	 * xrandr --output HDMI-0 --panning 0x0+0+0 --fb 0x0
	 *
	 */
	osd_printf_verbose("Enter sdl_info::create\n");
	if (renderer().has_flags(osd_renderer::FLAG_NEEDS_OPENGL))
	{
		SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );

		/* FIXME: A reminder that gamma is wrong throughout MAME. Currently, SDL2.0 doesn't seem to
		    * support the following attribute although my hardware lists GL_ARB_framebuffer_sRGB as an extension.
		    *
		    * SDL_GL_SetAttribute( SDL_GL_FRAMEBUFFER_SRGB_CAPABLE, 1 );
		    *
		    */
		m_extra_flags = SDL_WINDOW_OPENGL;
	}
	else
		m_extra_flags = 0;

#ifdef SDLMAME_MACOSX
	/* FIMXE: On OSX, SDL_WINDOW_FULLSCREEN_DESKTOP seems to be more reliable.
	 *        It however creates issues with white borders, i.e. the screen clear
	 *        does not work. This happens both with opengl and accel.
	 */
#endif

	// We need to workaround an issue in SDL 2.0.4 for OS X where setting the
	// relative mode on the mouse in fullscreen mode makes mouse events stop
	// It is fixed in the latest revisions so we'll assume it'll be fixed
	// in the next public SDL release as well
#if defined(SDLMAME_MACOSX) && SDL_VERSION_ATLEAST(2, 0, 2) // SDL_HINT_MOUSE_RELATIVE_MODE_WARP is introduced in 2.0.2
	SDL_version linked;
	SDL_GetVersion(&linked);
	int revision = SDL_GetRevisionNumber();

	// If we're running the exact version of SDL 2.0.4 (revision 10001) from the
	// SDL web site, we need to work around this issue and send the warp mode hint
	if (SDL_VERSION_EQUALS(linked, SDL_VERSIONNUM(2, 0, 4)) && revision == 10001)
	{
		osd_printf_verbose("Using warp mode for relative mouse in OS X SDL 2.0.4\n");
		SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_MODE_WARP, "1");
	}
#endif

	// create the SDL window
	// soft driver also used | SDL_WINDOW_INPUT_GRABBED | SDL_WINDOW_MOUSE_FOCUS
	m_extra_flags |= (fullscreen() ?
			/*SDL_WINDOW_BORDERLESS |*/ SDL_WINDOW_INPUT_FOCUS | SDL_WINDOW_FULLSCREEN : SDL_WINDOW_RESIZABLE);

#if defined(SDLMAME_WIN32)
	SDL_SetHint(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, "0");
#endif

	// get monitor work area for centering
	osd_rect work = monitor()->usuable_position_size();

	// create the SDL window
	auto sdlwindow = SDL_CreateWindow(m_title,
			work.left() + (work.width() - temp.width()) / 2,
			work.top() + (work.height() - temp.height()) / 2,
			temp.width(), temp.height(), m_extra_flags);
	//window().sdl_window() = SDL_CreateWindow(window().m_title, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
	//      width, height, m_extra_flags);

	if  (sdlwindow == nullptr )
	{
		if (renderer().has_flags(osd_renderer::FLAG_NEEDS_OPENGL))
			osd_printf_error("OpenGL not supported on this driver: %s\n", SDL_GetError());
		else
			osd_printf_error("Window creation failed: %s\n", SDL_GetError());
		return 1;
	}

	set_platform_window(sdlwindow);

	if (fullscreen() && video_config.switchres)
	{
		SDL_DisplayMode mode;
		//SDL_GetCurrentDisplayMode(window().monitor()->handle, &mode);
		SDL_GetWindowDisplayMode(platform_window<SDL_Window*>(), &mode);
		m_original_mode->mode = mode;
		mode.w = temp.width();
		mode.h = temp.height();
		if (m_win_config.refresh)
			mode.refresh_rate = m_win_config.refresh;

		SDL_SetWindowDisplayMode(platform_window<SDL_Window*>(), &mode);    // Try to set mode
#ifndef SDLMAME_WIN32
		/* FIXME: Warp the mouse to 0,0 in case a virtual desktop resolution
		 * is in place after the mode switch - which will most likely be the case
		 * This is a hack to work around a deficiency in SDL2
		 */
		SDL_WarpMouseInWindow(platform_window<SDL_Window*>(), 1, 1);
#endif
	}
	else
	{
		//SDL_SetWindowDisplayMode(window().sdl_window(), nullptr); // Use desktop
	}

	// show window

	SDL_ShowWindow(platform_window<SDL_Window*>());
	//SDL_SetWindowFullscreen(window->sdl_window(), 0);
	//SDL_SetWindowFullscreen(window->sdl_window(), window->fullscreen());
	SDL_RaiseWindow(platform_window<SDL_Window*>());

#ifdef SDLMAME_WIN32
	if (fullscreen())
		SDL_SetWindowGrab(platform_window<SDL_Window*>(), SDL_TRUE);
#endif

	// set main window
	if (m_index > 0)
	{
		for (auto w : osd_common_t::s_window_list)
		{
			if (w->m_index == 0)
			{
				set_main_window(std::dynamic_pointer_cast<osd_window>(w));
				break;
			}
		}
	}
	else
	{
		// We must be the main window
		set_main_window(shared_from_this());
	}

	// update monitor resolution after mode change to ensure proper pixel aspect
	monitor()->refresh();
	if (fullscreen() && video_config.switchres)
		monitor()->update_resolution(temp.width(), temp.height());

	// initialize the drawing backend
	if (renderer().create())
		return 1;

	// Make sure we have a consistent state
	SDL_ShowCursor(0);
	SDL_ShowCursor(1);

	return 0;
}


//============================================================
//  draw_video_contents
//  (window thread)
//============================================================

void sdl_window_info::measure_fps(int update)
{
	const unsigned long frames_skip4fps = 100;
	static int64_t lastTime=0, sumdt=0, startTime=0;
	static unsigned long frames = 0;
	int64_t currentTime, t0;
	double dt;
	double tps;
	osd_ticks_t tps_t;

	tps_t = osd_ticks_per_second();
	tps = (double) tps_t;

	t0 = osd_ticks();

	renderer().draw(update);

	frames++;
	currentTime = osd_ticks();
	if(startTime==0||frames==frames_skip4fps)
		startTime=currentTime;
	if( frames>=frames_skip4fps )
		sumdt+=currentTime-t0;
	if( (currentTime-lastTime)>1L*osd_ticks_per_second() && frames>frames_skip4fps )
	{
		dt = (double) (currentTime-startTime) / tps; // in decimale sec.
		osd_printf_info("%6.2lfs, %4lu F, "
				"avrg game: %5.2lf FPS %.2lf ms/f, "
				"avrg video: %5.2lf FPS %.2lf ms/f, "
				"last video: %5.2lf FPS %.2lf ms/f\n",
			dt, frames-frames_skip4fps,
			(double)(frames-frames_skip4fps)/dt,                             // avrg game fps
			( (currentTime-startTime) / ((frames-frames_skip4fps)) ) * 1000.0 / osd_ticks_per_second(),
			(double)(frames-frames_skip4fps)/((double)(sumdt) / tps), // avrg vid fps
			( sumdt / ((frames-frames_skip4fps)) ) * 1000.0 / tps,
			1.0/((currentTime-t0) / osd_ticks_per_second()), // this vid fps
			(currentTime-t0) * 1000.0 / tps
		);
		lastTime = currentTime;
	}
}

int sdl_window_info::wnd_extra_width()
{
	return m_fullscreen ? 0 : WINDOW_DECORATION_WIDTH;
}

int sdl_window_info::wnd_extra_height()
{
	return m_fullscreen ? 0 : WINDOW_DECORATION_HEIGHT;
}


//============================================================
//  constrain_to_aspect_ratio
//  (window thread)
//============================================================

osd_rect sdl_window_info::constrain_to_aspect_ratio(const osd_rect &rect, int adjustment)
{
	int32_t extrawidth = wnd_extra_width();
	int32_t extraheight = wnd_extra_height();
	int32_t propwidth, propheight;
	int32_t minwidth, minheight;
	int32_t maxwidth, maxheight;
	int32_t viswidth, visheight;
	int32_t adjwidth, adjheight;
	float pixel_aspect;
	std::shared_ptr<osd_monitor_info> monitor = m_monitor;

	// do not constrain aspect ratio for integer scaled views
	if (m_target->scale_mode() != SCALE_FRACTIONAL)
		return rect;

	// get the pixel aspect ratio for the target monitor
	pixel_aspect = monitor->pixel_aspect();

	// determine the proposed width/height
	propwidth = rect.width() - extrawidth;
	propheight = rect.height() - extraheight;

	// based on which edge we are adjusting, take either the width, height, or both as gospel
	// and scale to fit using that as our parameter
	switch (adjustment)
	{
		case WMSZ_BOTTOM:
		case WMSZ_TOP:
			m_target->compute_visible_area(10000, propheight, pixel_aspect, m_target->orientation(), propwidth, propheight);
			break;

		case WMSZ_LEFT:
		case WMSZ_RIGHT:
			m_target->compute_visible_area(propwidth, 10000, pixel_aspect, m_target->orientation(), propwidth, propheight);
			break;

		default:
			m_target->compute_visible_area(propwidth, propheight, pixel_aspect, m_target->orientation(), propwidth, propheight);
			break;
	}

	// get the minimum width/height for the current layout
	m_target->compute_minimum_size(minwidth, minheight);

	// clamp against the absolute minimum
	propwidth = std::max(propwidth, MIN_WINDOW_DIM);
	propheight = std::max(propheight, MIN_WINDOW_DIM);

	// clamp against the minimum width and height
	propwidth = std::max(propwidth, minwidth);
	propheight = std::max(propheight, minheight);

	// clamp against the maximum (fit on one screen for full screen mode)
	if (m_fullscreen)
	{
		maxwidth = monitor->position_size().width() - extrawidth;
		maxheight = monitor->position_size().height() - extraheight;
	}
	else
	{
		maxwidth = monitor->usuable_position_size().width() - extrawidth;
		maxheight = monitor->usuable_position_size().height() - extraheight;

		// further clamp to the maximum width/height in the window
		if (m_win_config.width != 0)
			maxwidth = std::min(maxwidth, m_win_config.width + extrawidth);
		if (m_win_config.height != 0)
			maxheight = std::min(maxheight, m_win_config.height + extraheight);
	}

	// clamp to the maximum
	propwidth = std::min(propwidth, maxwidth);
	propheight = std::min(propheight, maxheight);

	// compute the visible area based on the proposed rectangle
	m_target->compute_visible_area(propwidth, propheight, pixel_aspect, m_target->orientation(), viswidth, visheight);

	// compute the adjustments we need to make
	adjwidth = (viswidth + extrawidth) - rect.width();
	adjheight = (visheight + extraheight) - rect.height();

	// based on which corner we're adjusting, constrain in different ways
	osd_rect ret(rect);

	switch (adjustment)
	{
		case WMSZ_BOTTOM:
		case WMSZ_BOTTOMRIGHT:
		case WMSZ_RIGHT:
			ret = rect.resize(rect.width() + adjwidth, rect.height() + adjheight);
			break;

		case WMSZ_BOTTOMLEFT:
			ret = rect.move_by(-adjwidth, 0).resize(rect.width() + adjwidth, rect.height() + adjheight);
			break;

		case WMSZ_LEFT:
		case WMSZ_TOPLEFT:
		case WMSZ_TOP:
			ret = rect.move_by(-adjwidth, -adjheight).resize(rect.width() + adjwidth, rect.height() + adjheight);
			break;

		case WMSZ_TOPRIGHT:
			ret = rect.move_by(0, -adjheight).resize(rect.width() + adjwidth, rect.height() + adjheight);
			break;
}
	return ret;
}



//============================================================
//  get_min_bounds
//  (window thread)
//============================================================

osd_dim sdl_window_info::get_min_bounds(int constrain)
{
	int32_t minwidth, minheight;

	//assert(GetCurrentThreadId() == window_threadid);

	// get the minimum target size
	m_target->compute_minimum_size(minwidth, minheight);

	// expand to our minimum dimensions
	if (minwidth < MIN_WINDOW_DIM)
		minwidth = MIN_WINDOW_DIM;
	if (minheight < MIN_WINDOW_DIM)
		minheight = MIN_WINDOW_DIM;

	// account for extra window stuff
	minwidth += wnd_extra_width();
	minheight += wnd_extra_height();

	// if we want it constrained, figure out which one is larger
	if (constrain && m_target->scale_mode() == SCALE_FRACTIONAL)
	{
		// first constrain with no height limit
		osd_rect test1(0,0,minwidth,10000);
		test1 = constrain_to_aspect_ratio(test1, WMSZ_BOTTOMRIGHT);

		// then constrain with no width limit
		osd_rect test2(0,0,10000,minheight);
		test2 = constrain_to_aspect_ratio(test2, WMSZ_BOTTOMRIGHT);

		// pick the larger
		if (test1.width() > test2.width())
		{
			minwidth = test1.width();
			minheight = test1.height();
		}
		else
		{
			minwidth = test2.width();
			minheight = test2.height();
		}
	}

	// remove extra window stuff
	minwidth -= wnd_extra_width();
	minheight -= wnd_extra_height();

	return osd_dim(minwidth, minheight);
}

//============================================================
//  get_size
//============================================================

osd_dim sdl_window_info::get_size()
{
	int w=0; int h=0;
	SDL_GetWindowSize(platform_window<SDL_Window*>(), &w, &h);
	return osd_dim(w,h);
}


//============================================================
//  get_max_bounds
//  (window thread)
//============================================================

osd_dim sdl_window_info::get_max_bounds(int constrain)
{
	//assert(GetCurrentThreadId() == window_threadid);

	// compute the maximum client area
	// m_monitor->refresh();
	osd_rect maximum = m_monitor->usuable_position_size();

	// clamp to the window's max
	int tempw = maximum.width();
	int temph = maximum.height();
	if (m_win_config.width != 0)
	{
		int temp = m_win_config.width + wnd_extra_width();
		if (temp < maximum.width())
			tempw = temp;
	}
	if (m_win_config.height != 0)
	{
		int temp = m_win_config.height + wnd_extra_height();
		if (temp < maximum.height())
			temph = temp;
	}

	maximum = maximum.resize(tempw, temph);

	// constrain to fit
	if (constrain && m_target->scale_mode() == SCALE_FRACTIONAL)
		maximum = constrain_to_aspect_ratio(maximum, WMSZ_BOTTOMRIGHT);

	// remove extra window stuff
	maximum = maximum.resize(maximum.width() - wnd_extra_width(), maximum.height() - wnd_extra_height());

	return maximum.dim();
}

//============================================================
//  construction and destruction
//============================================================

sdl_window_info::sdl_window_info(
		running_machine &a_machine,
		int index,
		std::shared_ptr<osd_monitor_info> a_monitor,
		const osd_window_config *config)
	: osd_window(*config)
	, m_next(nullptr)
	, m_startmaximized(0)
	// Following three are used by input code to defer resizes
	, m_minimum_dim(0, 0)
	, m_windowed_dim(0, 0)
	, m_rendered_event(0, 1)
	, m_target(nullptr)
	, m_extra_flags(0)
	, m_machine(a_machine)
	, m_monitor(a_monitor)
	, m_fullscreen(0)
	, m_mouse_captured(false)
	, m_mouse_hidden(false)
{
	m_index = index;

	//FIXME: these should be per_window in config-> or even better a bit set
	m_fullscreen = !video_config.windowed;
	m_prescale = video_config.prescale;

	m_windowed_dim = osd_dim(config->width, config->height);
	m_original_mode = global_alloc(SDL_DM_Wrapper);
}

sdl_window_info::~sdl_window_info()
{
	global_free(m_original_mode);
}