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root/cebix/BasiliskII/src/Unix/video_x.cpp

Comparing BasiliskII/src/Unix/video_x.cpp (file contents):
Revision 1.3 by cebix, 1999-10-03T19:43:28Z vs.
Revision 1.59 by cebix, 2001-07-11T17:04:41Z

#	Line 1 | Line 1
1		/*
2		*  video_x.cpp - Video/graphics emulation, X11 specific stuff
3		*
4	<	*  Basilisk II (C) 1997-1999 Christian Bauer
4	>	*  Basilisk II (C) 1997-2001 Christian Bauer
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 24 | Line 24
24		*      Ctrl-Tab = suspend DGA mode
25		*      Ctrl-Esc = emergency quit
26		*      Ctrl-F1 = mount floppy
27	+	*      Ctrl-F5 = grab mouse (in windowed mode)
28		*/
29
30		#include "sysdeps.h"
#	Line 34 | Line 35
35		#include <X11/extensions/XShm.h>
36		#include <sys/ipc.h>
37		#include <sys/shm.h>
37	–	#include <pthread.h>
38		#include <errno.h>
39
40	+	#include <algorithm>
41	+
42	+	#ifndef NO_STD_NAMESPACE
43	+	using std::sort;
44	+	#endif
45	+
46	+	#ifdef HAVE_PTHREADS
47	+	# include <pthread.h>
48	+	#endif
49	+
50	+	#ifdef ENABLE_XF86_DGA
51	+	# include <X11/extensions/xf86dga.h>
52	+	#endif
53	+
54	+	#ifdef ENABLE_XF86_VIDMODE
55	+	# include <X11/extensions/xf86vmode.h>
56	+	#endif
57	+
58	+	#ifdef ENABLE_FBDEV_DGA
59	+	# include <sys/mman.h>
60	+	#endif
61	+
62		#include "cpu_emulation.h"
63		#include "main.h"
64		#include "adb.h"
#	Line 45 | Line 67
67		#include "user_strings.h"
68		#include "video.h"
69
70	<	#define DEBUG 1
70	>	#define DEBUG 0
71		#include "debug.h"
72
51	–	#if ENABLE_DGA
52	–	#include <X11/extensions/xf86dga.h>
53	–	#endif
54	–
73
74		// Display types
75		enum {
#	Line 59 | Line 77 | enum {
77		DISPLAY_DGA             // DGA fullscreen display
78		};
79
62	–
80		// Constants
81	<	const char KEYCODE_FILE_NAME[] = SHAREDIR "/keycodes";
81	>	const char KEYCODE_FILE_NAME[] = DATADIR "/keycodes";
82	>
83	>	static const int win_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | ExposureMask | StructureNotifyMask;
84	>	static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask;
85
86
87		// Global variables
88	<	static int32 frame_skip;
88	>	static int32 frame_skip;                                                        // Prefs items
89	>	static int16 mouse_wheel_mode;
90	>	static int16 mouse_wheel_lines;
91	>
92		static int display_type = DISPLAY_WINDOW;                       // See enum above
93	<	static uint8 *the_buffer;                                                       // Mac frame buffer
93	>	static bool local_X11;                                                          // Flag: X server running on local machine?
94	>	static uint8 *the_buffer = NULL;                                        // Mac frame buffer (where MacOS draws into)
95	>	static uint8 *the_buffer_copy = NULL;                           // Copy of Mac frame buffer (for refreshed modes)
96	>	static uint32 the_buffer_size;                                          // Size of allocated the_buffer
97	>
98		static bool redraw_thread_active = false;                       // Flag: Redraw thread installed
99	<	static volatile bool redraw_thread_cancel = false;      // Flag: Cancel Redraw thread
99	>	#ifdef HAVE_PTHREADS
100	>	static volatile bool redraw_thread_cancel;                      // Flag: Cancel Redraw thread
101		static pthread_t redraw_thread;                                         // Redraw thread
102	+	#endif
103
104		static bool has_dga = false;                                            // Flag: Video DGA capable
105	+	static bool has_vidmode = false;                                        // Flag: VidMode extension available
106	+
107	+	#ifdef ENABLE_VOSF
108	+	static bool use_vosf = true;                                            // Flag: VOSF enabled
109	+	#else
110	+	static const bool use_vosf = false;                                     // VOSF not possible
111	+	#endif
112
113		static bool ctrl_down = false;                                          // Flag: Ctrl key pressed
114		static bool caps_on = false;                                            // Flag: Caps Lock on
#	Line 87 | Line 123 | static int keycode_table[256];                                         // X
123
124		// X11 variables
125		static int screen;                                                                      // Screen number
126	<	static int xdepth;                                                                      // Depth of X screen
127	<	static int depth;                                                                       // Depth of Mac frame buffer
128	<	static Window rootwin, the_win;                                         // Root window and our window
93	<	static XVisualInfo visualInfo;
94	<	static Visual *vis;
95	<	static Colormap cmap[2];                                                        // Two colormaps (DGA) for 8-bit mode
126	>	static Window rootwin;                                                          // Root window and our window
127	>	static int num_depths = 0;                                                      // Number of available X depths
128	>	static int *avail_depths = NULL;                                        // List of available X depths
129		static XColor black, white;
130		static unsigned long black_pixel, white_pixel;
131		static int eventmask;
99	–	static const int win_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | ExposureMask;
100	–	static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
132
133	<	static pthread_mutex_t palette_lock = PTHREAD_MUTEX_INITIALIZER;        // Mutex to protect palette
134	<	static XColor palette[256];                                                     // Color palette for 8-bit mode
133	>	static int xdepth;                                                                      // Depth of X screen
134	>	static XVisualInfo visualInfo;
135	>	static Visual *vis;
136	>	static int color_class;
137	>
138	>	static int rshift, rloss, gshift, gloss, bshift, bloss; // Pixel format of DirectColor/TrueColor modes
139	>
140	>	static Colormap cmap[2] = {0, 0};                                       // Colormaps for indexed modes (DGA needs two of them)
141	>
142	>	static XColor palette[256];                                                     // Color palette to be used as CLUT and gamma table
143		static bool palette_changed = false;                            // Flag: Palette changed, redraw thread must set new colors
144
145	<	// Variables for window mode
146	<	static GC the_gc;
147	<	static XImage *img = NULL;
148	<	static XShmSegmentInfo shminfo;
149	<	static XImage *cursor_image, *cursor_mask_image;
150	<	static Pixmap cursor_map, cursor_mask_map;
151	<	static Cursor mac_cursor;
152	<	static GC cursor_gc, cursor_mask_gc;
153	<	static uint8 *the_buffer_copy = NULL;                           // Copy of Mac frame buffer
154	<	static uint8 the_cursor[64];                                            // Cursor image data
155	<	static bool have_shm = false;                                           // Flag: SHM extensions available
156	<
157	<	// Variables for DGA mode
158	<	static int current_dga_cmap;                                            // Number (0 or 1) of currently installed DGA colormap
159	<	static Window suspend_win;                                                      // "Suspend" window
160	<	static void *fb_save = NULL;                                            // Saved frame buffer for suspend
145	>	#ifdef ENABLE_FBDEV_DGA
146	>	static int fbdev_fd = -1;
147	>	#endif
148	>
149	>	#ifdef ENABLE_XF86_VIDMODE
150	>	static XF86VidModeModeInfo **x_video_modes = NULL;      // Array of all available modes
151	>	static int num_x_video_modes;
152	>	#endif
153	>
154	>	// Mutex to protect palette
155	>	#ifdef HAVE_PTHREADS
156	>	static pthread_mutex_t palette_lock = PTHREAD_MUTEX_INITIALIZER;
157	>	#define LOCK_PALETTE pthread_mutex_lock(&palette_lock)
158	>	#define UNLOCK_PALETTE pthread_mutex_unlock(&palette_lock)
159	>	#else
160	>	#define LOCK_PALETTE
161	>	#define UNLOCK_PALETTE
162	>	#endif
163
164	<	static pthread_mutex_t frame_buffer_lock = PTHREAD_MUTEX_INITIALIZER;   // Mutex to protect frame buffer
164	>	// Mutex to protect frame buffer
165	>	#ifdef HAVE_PTHREADS
166	>	static pthread_mutex_t frame_buffer_lock = PTHREAD_MUTEX_INITIALIZER;
167	>	#define LOCK_FRAME_BUFFER pthread_mutex_lock(&frame_buffer_lock);
168	>	#define UNLOCK_FRAME_BUFFER pthread_mutex_unlock(&frame_buffer_lock);
169	>	#else
170	>	#define LOCK_FRAME_BUFFER
171	>	#define UNLOCK_FRAME_BUFFER
172	>	#endif
173	>
174	>	// Variables for non-VOSF incremental refresh
175	>	static const int sm_uptd[] = {4,1,6,3,0,5,2,7};
176	>	static int sm_no_boxes[] = {1,8,32,64,128,300};
177	>	static bool updt_box[17][17];
178	>	static int nr_boxes;
179	>
180	>	// Video refresh function
181	>	static void VideoRefreshInit(void);
182	>	static void (*video_refresh)(void);
183
184
185		// Prototypes
186		static void *redraw_func(void *arg);
187	<	static int event2keycode(XKeyEvent *ev);
129	<
187	>	static int event2keycode(XKeyEvent &ev);
188
189		// From main_unix.cpp
190	+	extern char *x_display_name;
191		extern Display *x_display;
192
193		// From sys_unix.cpp
#	Line 136 | Line 195 | extern void SysMountFirstFloppy(void);
195
196
197		/*
198	<	*  Initialization
198	>	*  Utility functions
199		*/
200
201	<	// Set VideoMonitor according to video mode
202	<	void set_video_monitor(int width, int height, int bytes_per_row, bool native_byte_order)
201	>	// Map RGB color to pixel value (this only works in TrueColor/DirectColor visuals)
202	>	static inline uint32 map_rgb(uint8 red, uint8 green, uint8 blue)
203		{
204	<	int layout;
204	>	return ((red >> rloss) << rshift) | ((green >> gloss) << gshift) | ((blue >> bloss) << bshift);
205	>	}
206	>
207	>	// Do we have a visual for handling the specified Mac depth? If so, set the
208	>	// global variables "xdepth", "visualInfo", "vis" and "color_class".
209	>	static bool find_visual_for_depth(video_depth depth)
210	>	{
211	>	D(bug("have_visual_for_depth(%d)\n", 1 << depth));
212	>
213	>	// Calculate minimum and maximum supported X depth
214	>	int min_depth = 1, max_depth = 32;
215		switch (depth) {
216	<	case 1:
217	<	layout = FLAYOUT_DIRECT;
149	<	VideoMonitor.mode = VMODE_1BIT;
216	>	case VDEPTH_1BIT:       // 1-bit works always and uses default visual
217	>	min_depth = max_depth = DefaultDepth(x_display, screen);
218		break;
219	<	case 8:
220	<	layout = FLAYOUT_DIRECT;
221	<	VideoMonitor.mode = VMODE_8BIT;
219	>	#ifdef ENABLE_VOSF
220	>	case VDEPTH_2BIT:
221	>	case VDEPTH_4BIT:       // VOSF blitters can convert 2/4/8-bit -> 8/16/32-bit
222	>	case VDEPTH_8BIT:
223	>	min_depth = 8;
224	>	max_depth = 32;
225		break;
226	<	case 15:
227	<	layout = FLAYOUT_HOST_555;
228	<	VideoMonitor.mode = VMODE_16BIT;
226	>	#else
227	>	case VDEPTH_2BIT:
228	>	case VDEPTH_4BIT:       // 2/4-bit requires VOSF blitters
229	>	return false;
230	>	case VDEPTH_8BIT:       // 8-bit without VOSF requires an 8-bit visual
231	>	min_depth = 8;
232	>	max_depth = 8;
233		break;
234	<	case 16:
235	<	layout = FLAYOUT_HOST_565;
236	<	VideoMonitor.mode = VMODE_16BIT;
234	>	#endif
235	>	case VDEPTH_16BIT:      // 16-bit requires a 15/16-bit visual
236	>	min_depth = 15;
237	>	max_depth = 16;
238		break;
239	<	case 24:
240	<	case 32:
241	<	layout = FLAYOUT_HOST_888;
166	<	VideoMonitor.mode = VMODE_32BIT;
239	>	case VDEPTH_32BIT:      // 32-bit requires a 24/32-bit visual
240	>	min_depth = 24;
241	>	max_depth = 32;
242		break;
243		}
244	<	VideoMonitor.x = width;
245	<	VideoMonitor.y = height;
246	<	VideoMonitor.bytes_per_row = bytes_per_row;
244	>	D(bug(" minimum required X depth is %d, maximum supported X depth is %d\n", min_depth, max_depth));
245	>
246	>	// Try to find a visual for one of the color depths
247	>	bool visual_found = false;
248	>	for (int i=0; i<num_depths && !visual_found; i++) {
249	>
250	>	xdepth = avail_depths[i];
251	>	D(bug(" trying to find visual for depth %d\n", xdepth));
252	>	if (xdepth < min_depth || xdepth > max_depth)
253	>	continue;
254	>
255	>	// Determine best color class for this depth
256	>	switch (xdepth) {
257	>	case 1: // Try StaticGray or StaticColor
258	>	if (XMatchVisualInfo(x_display, screen, xdepth, StaticGray, &visualInfo)
259	>	|| XMatchVisualInfo(x_display, screen, xdepth, StaticColor, &visualInfo))
260	>	visual_found = true;
261	>	break;
262	>	case 8: // Need PseudoColor
263	>	if (XMatchVisualInfo(x_display, screen, xdepth, PseudoColor, &visualInfo))
264	>	visual_found = true;
265	>	break;
266	>	case 15:
267	>	case 16:
268	>	case 24:
269	>	case 32: // Try DirectColor first, as this will allow gamma correction
270	>	if (XMatchVisualInfo(x_display, screen, xdepth, DirectColor, &visualInfo)
271	>	|| XMatchVisualInfo(x_display, screen, xdepth, TrueColor, &visualInfo))
272	>	visual_found = true;
273	>	break;
274	>	default:
275	>	D(bug("  not a supported depth\n"));
276	>	break;
277	>	}
278	>	}
279	>	if (!visual_found)
280	>	return false;
281	>
282	>	// Visual was found
283	>	vis = visualInfo.visual;
284	>	color_class = visualInfo.c_class;
285	>	D(bug(" found visual ID 0x%02x, depth %d, class ", visualInfo.visualid, xdepth));
286	>	#if DEBUG
287	>	switch (color_class) {
288	>	case StaticGray: D(bug("StaticGray\n")); break;
289	>	case GrayScale: D(bug("GrayScale\n")); break;
290	>	case StaticColor: D(bug("StaticColor\n")); break;
291	>	case PseudoColor: D(bug("PseudoColor\n")); break;
292	>	case TrueColor: D(bug("TrueColor\n")); break;
293	>	case DirectColor: D(bug("DirectColor\n")); break;
294	>	}
295	>	#endif
296	>	return true;
297	>	}
298	>
299	>	// Add mode to list of supported modes
300	>	static void add_mode(uint32 width, uint32 height, uint32 resolution_id, uint32 bytes_per_row, video_depth depth)
301	>	{
302	>	video_mode mode;
303	>	mode.x = width;
304	>	mode.y = height;
305	>	mode.resolution_id = resolution_id;
306	>	mode.bytes_per_row = bytes_per_row;
307	>	mode.depth = depth;
308	>	VideoModes.push_back(mode);
309	>	}
310	>
311	>	// Add standard list of windowed modes for given color depth
312	>	static void add_window_modes(video_depth depth)
313	>	{
314	>	add_mode(512, 384, 0x80, TrivialBytesPerRow(512, depth), depth);
315	>	add_mode(640, 480, 0x81, TrivialBytesPerRow(640, depth), depth);
316	>	add_mode(800, 600, 0x82, TrivialBytesPerRow(800, depth), depth);
317	>	add_mode(1024, 768, 0x83, TrivialBytesPerRow(1024, depth), depth);
318	>	add_mode(1152, 870, 0x84, TrivialBytesPerRow(1152, depth), depth);
319	>	add_mode(1280, 1024, 0x85, TrivialBytesPerRow(1280, depth), depth);
320	>	add_mode(1600, 1200, 0x86, TrivialBytesPerRow(1600, depth), depth);
321	>	}
322	>
323	>	// Set Mac frame layout and base address (uses the_buffer/MacFrameBaseMac)
324	>	static void set_mac_frame_buffer(video_depth depth, bool native_byte_order)
325	>	{
326	>	#if !REAL_ADDRESSING && !DIRECT_ADDRESSING
327	>	int layout = FLAYOUT_DIRECT;
328	>	if (depth == VDEPTH_16BIT)
329	>	layout = (xdepth == 15) ? FLAYOUT_HOST_555 : FLAYOUT_HOST_565;
330	>	else if (depth == VDEPTH_32BIT)
331	>	layout = (xdepth == 24) ? FLAYOUT_HOST_888 : FLAYOUT_DIRECT;
332		if (native_byte_order)
333		MacFrameLayout = layout;
334		else
335		MacFrameLayout = FLAYOUT_DIRECT;
336	+	VideoMonitor.mac_frame_base = MacFrameBaseMac;
337	+
338	+	// Set variables used by UAE memory banking
339	+	MacFrameBaseHost = the_buffer;
340	+	MacFrameSize = VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y;
341	+	InitFrameBufferMapping();
342	+	#else
343	+	VideoMonitor.mac_frame_base = Host2MacAddr(the_buffer);
344	+	#endif
345	+	D(bug("VideoMonitor.mac_frame_base = %08x\n", VideoMonitor.mac_frame_base));
346	+	}
347	+
348	+	// Set window name and class
349	+	static void set_window_name(Window w, int name)
350	+	{
351	+	const char *str = GetString(name);
352	+	XStoreName(x_display, w, str);
353	+	XSetIconName(x_display, w, str);
354	+
355	+	XClassHint *hints;
356	+	hints = XAllocClassHint();
357	+	if (hints) {
358	+	hints->res_name = "BasiliskII";
359	+	hints->res_class = "BasiliskII";
360	+	XSetClassHint(x_display, w, hints);
361	+	XFree(hints);
362	+	}
363	+	}
364	+
365	+	// Set window input focus flag
366	+	static void set_window_focus(Window w)
367	+	{
368	+	XWMHints *hints = XAllocWMHints();
369	+	if (hints) {
370	+	hints->input = True;
371	+	hints->initial_state = NormalState;
372	+	hints->flags = InputHint | StateHint;
373	+	XSetWMHints(x_display, w, hints);
374	+	XFree(hints);
375	+	}
376	+	}
377	+
378	+	// Set WM_DELETE_WINDOW protocol on window (preventing it from being destroyed by the WM when clicking on the "close" widget)
379	+	static Atom WM_DELETE_WINDOW = (Atom)0;
380	+	static void set_window_delete_protocol(Window w)
381	+	{
382	+	WM_DELETE_WINDOW = XInternAtom(x_display, "WM_DELETE_WINDOW", false);
383	+	XSetWMProtocols(x_display, w, &WM_DELETE_WINDOW, 1);
384	+	}
385	+
386	+	// Wait until window is mapped/unmapped
387	+	void wait_mapped(Window w)
388	+	{
389	+	XEvent e;
390	+	do {
391	+	XMaskEvent(x_display, StructureNotifyMask, &e);
392	+	} while ((e.type != MapNotify) || (e.xmap.event != w));
393	+	}
394	+
395	+	void wait_unmapped(Window w)
396	+	{
397	+	XEvent e;
398	+	do {
399	+	XMaskEvent(x_display, StructureNotifyMask, &e);
400	+	} while ((e.type != UnmapNotify) || (e.xmap.event != w));
401		}
402
403		// Trap SHM errors
#	Line 188 | Line 413 | static int error_handler(Display *d, XEr
413		return old_error_handler(d, e);
414		}
415
416	<	// Init window mode
417	<	static bool init_window(int width, int height)
416	>
417	>	/*
418	>	*  Display "driver" classes
419	>	*/
420	>
421	>	class driver_base {
422	>	public:
423	>	driver_base();
424	>	virtual ~driver_base();
425	>
426	>	virtual void update_palette(void);
427	>	virtual void suspend(void) {}
428	>	virtual void resume(void) {}
429	>	virtual void toggle_mouse_grab(void) {}
430	>	virtual void mouse_moved(int x, int y) { ADBMouseMoved(x, y); }
431	>
432	>	void disable_mouse_accel(void);
433	>	void restore_mouse_accel(void);
434	>
435	>	virtual void grab_mouse(void) {}
436	>	virtual void ungrab_mouse(void) {}
437	>
438	>	public:
439	>	bool init_ok;   // Initialization succeeded (we can't use exceptions because of -fomit-frame-pointer)
440	>	Window w;               // The window we draw into
441	>
442	>	int orig_accel_numer, orig_accel_denom, orig_threshold; // Original mouse acceleration
443	>	};
444	>
445	>	class driver_window;
446	>	static void update_display_window_vosf(driver_window *drv);
447	>	static void update_display_dynamic(int ticker, driver_window *drv);
448	>	static void update_display_static(driver_window *drv);
449	>
450	>	class driver_window : public driver_base {
451	>	friend void update_display_window_vosf(driver_window *drv);
452	>	friend void update_display_dynamic(int ticker, driver_window *drv);
453	>	friend void update_display_static(driver_window *drv);
454	>
455	>	public:
456	>	driver_window(const video_mode &mode);
457	>	~driver_window();
458	>
459	>	void toggle_mouse_grab(void);
460	>	void mouse_moved(int x, int y);
461	>
462	>	void grab_mouse(void);
463	>	void ungrab_mouse(void);
464	>
465	>	private:
466	>	GC gc;
467	>	XImage *img;
468	>	bool have_shm;                                  // Flag: SHM extensions available
469	>	XShmSegmentInfo shminfo;
470	>	Cursor mac_cursor;
471	>	bool mouse_grabbed;                             // Flag: mouse pointer grabbed, using relative mouse mode
472	>	int mouse_last_x, mouse_last_y; // Last mouse position (for relative mode)
473	>	};
474	>
475	>	static driver_base *drv = NULL; // Pointer to currently used driver object
476	>
477	>	#ifdef ENABLE_VOSF
478	>	# include "video_vosf.h"
479	>	#endif
480	>
481	>	driver_base::driver_base()
482	>	: init_ok(false), w(0)
483		{
484	<	// Set absolute mouse mode
485	<	ADBSetRelMouseMode(false);
484	>	the_buffer = NULL;
485	>	the_buffer_copy = NULL;
486	>	XGetPointerControl(x_display, &orig_accel_numer, &orig_accel_denom, &orig_threshold);
487	>	}
488
489	<	// Read frame skip prefs
490	<	frame_skip = PrefsFindInt32("frameskip");
491	<	if (frame_skip == 0)
492	<	frame_skip = 1;
489	>	driver_base::~driver_base()
490	>	{
491	>	ungrab_mouse();
492	>	restore_mouse_accel();
493
494	<	// Create window
495	<	XSetWindowAttributes wattr;
496	<	wattr.event_mask = eventmask = win_eventmask;
497	<	wattr.background_pixel = black_pixel;
498	<	wattr.border_pixel = black_pixel;
207	<	wattr.backing_store = Always;
208	<	wattr.backing_planes = xdepth;
494	>	if (w) {
495	>	XUnmapWindow(x_display, w);
496	>	wait_unmapped(w);
497	>	XDestroyWindow(x_display, w);
498	>	}
499
500	<	XSync(x_display, false);
211	<	the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
212	<	InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel |
213	<	CWBackingStore | CWBackingPlanes, &wattr);
214	<	XSync(x_display, false);
215	<	XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE));
216	<	XMapRaised(x_display, the_win);
500	>	XFlush(x_display);
501		XSync(x_display, false);
502
503	<	// Set colormap
504	<	if (depth == 8) {
505	<	XSetWindowColormap(x_display, the_win, cmap[0]);
506	<	XSetWMColormapWindows(x_display, the_win, &the_win, 1);
503	>	// Free frame buffer(s)
504	>	if (!use_vosf) {
505	>	if (the_buffer) {
506	>	free(the_buffer);
507	>	the_buffer = NULL;
508	>	}
509	>	if (the_buffer_copy) {
510	>	free(the_buffer_copy);
511	>	the_buffer_copy = NULL;
512	>	}
513	>	}
514	>	#ifdef ENABLE_VOSF
515	>	else {
516	>	if (the_host_buffer) {
517	>	free(the_host_buffer);
518	>	the_host_buffer = NULL;
519	>	}
520	>	if (the_buffer) {
521	>	free(the_buffer);
522	>	the_buffer = NULL;
523	>	}
524	>	if (the_buffer_copy) {
525	>	free(the_buffer_copy);
526	>	the_buffer_copy = NULL;
527	>	}
528	>	}
529	>	#endif
530	>	}
531	>
532	>	// Palette has changed
533	>	void driver_base::update_palette(void)
534	>	{
535	>	if (color_class == PseudoColor || color_class == DirectColor) {
536	>	int num = vis->map_entries;
537	>	if (!IsDirectMode(VideoMonitor.mode) && color_class == DirectColor)
538	>	return; // Indexed mode on true color screen, don't set CLUT
539	>	XStoreColors(x_display, cmap[0], palette, num);
540	>	XStoreColors(x_display, cmap[1], palette, num);
541		}
542	+	XSync(x_display, false);
543	+	}
544	+
545	+	// Disable mouse acceleration
546	+	void driver_base::disable_mouse_accel(void)
547	+	{
548	+	XChangePointerControl(x_display, True, False, 1, 1, 0);
549	+	}
550	+
551	+	// Restore mouse acceleration to original value
552	+	void driver_base::restore_mouse_accel(void)
553	+	{
554	+	XChangePointerControl(x_display, True, True, orig_accel_numer, orig_accel_denom, orig_threshold);
555	+	}
556	+
557	+
558	+	/*
559	+	*  Windowed display driver
560	+	*/
561	+
562	+	// Open display
563	+	driver_window::driver_window(const video_mode &mode)
564	+	: gc(0), img(NULL), have_shm(false), mouse_grabbed(false), mac_cursor(0)
565	+	{
566	+	int width = mode.x, height = mode.y;
567	+	int aligned_width = (width + 15) & ~15;
568	+	int aligned_height = (height + 15) & ~15;
569	+
570	+	// Set absolute mouse mode
571	+	ADBSetRelMouseMode(mouse_grabbed);
572	+
573	+	// Create window (setting backround_pixel, border_pixel and colormap is
574	+	// mandatory when using a non-default visual; in 1-bit mode we use the
575	+	// default visual, so we can also use the default colormap)
576	+	XSetWindowAttributes wattr;
577	+	wattr.event_mask = eventmask = win_eventmask;
578	+	wattr.background_pixel = (vis == DefaultVisual(x_display, screen) ? black_pixel : 0);
579	+	wattr.border_pixel = 0;
580	+	wattr.colormap = (mode.depth == VDEPTH_1BIT ? DefaultColormap(x_display, screen) : cmap[0]);
581	+	w = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
582	+	InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel | CWColormap, &wattr);
583	+
584	+	// Set window name/class
585	+	set_window_name(w, STR_WINDOW_TITLE);
586	+
587	+	// Indicate that we want keyboard input
588	+	set_window_focus(w);
589	+
590	+	// Set delete protocol property
591	+	set_window_delete_protocol(w);
592
593		// Make window unresizable
594	<	XSizeHints *hints;
595	<	if ((hints = XAllocSizeHints()) != NULL) {
596	<	hints->min_width = width;
597	<	hints->max_width = width;
598	<	hints->min_height = height;
599	<	hints->max_height = height;
600	<	hints->flags = PMinSize | PMaxSize;
601	<	XSetWMNormalHints(x_display, the_win, hints);
602	<	XFree((char *)hints);
594	>	{
595	>	XSizeHints *hints = XAllocSizeHints();
596	>	if (hints) {
597	>	hints->min_width = width;
598	>	hints->max_width = width;
599	>	hints->min_height = height;
600	>	hints->max_height = height;
601	>	hints->flags = PMinSize | PMaxSize;
602	>	XSetWMNormalHints(x_display, w, hints);
603	>	XFree(hints);
604	>	}
605		}
606	+
607	+	// Show window
608	+	XMapWindow(x_display, w);
609	+	wait_mapped(w);
610	+
611	+	// 1-bit mode is big-endian; if the X server is little-endian, we can't
612	+	// use SHM because that doesn't allow changing the image byte order
613	+	bool need_msb_image = (mode.depth == VDEPTH_1BIT && XImageByteOrder(x_display) == LSBFirst);
614
615		// Try to create and attach SHM image
616	<	have_shm = false;
239	<	if (depth != 1 && XShmQueryExtension(x_display)) {
616	>	if (local_X11 && !need_msb_image && XShmQueryExtension(x_display)) {
617
618		// Create SHM image ("height + 2" for safety)
619	<	img = XShmCreateImage(x_display, vis, depth, depth == 1 ? XYBitmap : ZPixmap, 0, &shminfo, width, height);
620	<	shminfo.shmid = shmget(IPC_PRIVATE, (height + 2) * img->bytes_per_line, IPC_CREAT | 0777);
621	<	the_buffer = (uint8 *)shmat(shminfo.shmid, 0, 0);
622	<	shminfo.shmaddr = img->data = (char *)the_buffer;
619	>	img = XShmCreateImage(x_display, vis, mode.depth == VDEPTH_1BIT ? 1 : xdepth, mode.depth == VDEPTH_1BIT ? XYBitmap : ZPixmap, 0, &shminfo, width, height);
620	>	shminfo.shmid = shmget(IPC_PRIVATE, (aligned_height + 2) * img->bytes_per_line, IPC_CREAT | 0777);
621	>	the_buffer_copy = (uint8 *)shmat(shminfo.shmid, 0, 0);
622	>	shminfo.shmaddr = img->data = (char *)the_buffer_copy;
623		shminfo.readOnly = False;
624
625		// Try to attach SHM image, catching errors
#	Line 254 | Line 631 | static bool init_window(int width, int h
631		if (shm_error) {
632		shmdt(shminfo.shmaddr);
633		XDestroyImage(img);
634	+	img = NULL;
635		shminfo.shmid = -1;
636		} else {
637		have_shm = true;
638		shmctl(shminfo.shmid, IPC_RMID, 0);
639		}
640		}
641	<
641	>
642		// Create normal X image if SHM doesn't work ("height + 2" for safety)
643		if (!have_shm) {
644	<	int bytes_per_row = width;
645	<	switch (depth) {
646	<	case 1:
269	<	bytes_per_row /= 8;
270	<	break;
271	<	case 15:
272	<	case 16:
273	<	bytes_per_row *= 2;
274	<	break;
275	<	case 24:
276	<	case 32:
277	<	bytes_per_row *= 4;
278	<	break;
279	<	}
280	<	the_buffer = (uint8 *)malloc((height + 2) * bytes_per_row);
281	<	img = XCreateImage(x_display, vis, depth, depth == 1 ? XYBitmap : ZPixmap, 0, (char *)the_buffer, width, height, 32, bytes_per_row);
644	>	int bytes_per_row = (mode.depth == VDEPTH_1BIT ? aligned_width/8 : TrivialBytesPerRow(aligned_width, DepthModeForPixelDepth(xdepth)));
645	>	the_buffer_copy = (uint8 *)malloc((aligned_height + 2) * bytes_per_row);
646	>	img = XCreateImage(x_display, vis, mode.depth == VDEPTH_1BIT ? 1 : xdepth, mode.depth == VDEPTH_1BIT ? XYBitmap : ZPixmap, 0, (char *)the_buffer_copy, aligned_width, aligned_height, 32, bytes_per_row);
647		}
648
649	<	// 1-Bit mode is big-endian
285	<	if (depth == 1) {
649	>	if (need_msb_image) {
650		img->byte_order = MSBFirst;
651		img->bitmap_bit_order = MSBFirst;
652		}
653
654	<	// Allocate memory for frame buffer copy
655	<	the_buffer_copy = (uint8 *)malloc((height + 2) * img->bytes_per_line);
654	>	#ifdef ENABLE_VOSF
655	>	use_vosf = true;
656	>	// Allocate memory for frame buffer (SIZE is extended to page-boundary)
657	>	the_host_buffer = the_buffer_copy;
658	>	the_buffer_size = page_extend((aligned_height + 2) * img->bytes_per_line);
659	>	the_buffer_copy = (uint8 *)vm_acquire(the_buffer_size);
660	>	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
661	>	D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
662	>	#else
663	>	// Allocate memory for frame buffer
664	>	the_buffer = (uint8 *)malloc((aligned_height + 2) * img->bytes_per_line);
665	>	D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
666	>	#endif
667
668		// Create GC
669	<	the_gc = XCreateGC(x_display, the_win, 0, 0);
670	<	XSetState(x_display, the_gc, black_pixel, white_pixel, GXcopy, AllPlanes);
669	>	gc = XCreateGC(x_display, w, 0, 0);
670	>	XSetState(x_display, gc, black_pixel, white_pixel, GXcopy, AllPlanes);
671
672	<	// Create cursor
673	<	cursor_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)the_cursor, 16, 16, 16, 2);
674	<	cursor_image->byte_order = MSBFirst;
675	<	cursor_image->bitmap_bit_order = MSBFirst;
676	<	cursor_mask_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)the_cursor+32, 16, 16, 16, 2);
677	<	cursor_mask_image->byte_order = MSBFirst;
303	<	cursor_mask_image->bitmap_bit_order = MSBFirst;
304	<	cursor_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
305	<	cursor_mask_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
306	<	cursor_gc = XCreateGC(x_display, cursor_map, 0, 0);
307	<	cursor_mask_gc = XCreateGC(x_display, cursor_mask_map, 0, 0);
308	<	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, 0, 0);
672	>	// Create no_cursor
673	>	mac_cursor = XCreatePixmapCursor(x_display,
674	>	XCreatePixmap(x_display, w, 1, 1, 1),
675	>	XCreatePixmap(x_display, w, 1, 1, 1),
676	>	&black, &white, 0, 0);
677	>	XDefineCursor(x_display, w, mac_cursor);
678
679	<	// Set VideoMonitor
679	>	// Init blitting routines
680	>	bool native_byte_order;
681		#ifdef WORDS_BIGENDIAN
682	<	set_video_monitor(width, height, img->bytes_per_line, img->bitmap_bit_order == MSBFirst);
682	>	native_byte_order = (XImageByteOrder(x_display) == MSBFirst);
683		#else
684	<	set_video_monitor(width, height, img->bytes_per_line, img->bitmap_bit_order == LSBFirst);
684	>	native_byte_order = (XImageByteOrder(x_display) == LSBFirst);
685		#endif
686	<	#if REAL_ADDRESSING
687	<	VideoMonitor.mac_frame_base = (uint32)the_buffer;
688	<	MacFrameLayout = FLAYOUT_DIRECT;
686	>	#ifdef ENABLE_VOSF
687	>	Screen_blitter_init(&visualInfo, native_byte_order, mode.depth);
688	>	#endif
689	>
690	>	// Set VideoMonitor
691	>	VideoMonitor.mode = mode;
692	>	set_mac_frame_buffer(mode.depth, native_byte_order);
693	>
694	>	// Everything went well
695	>	init_ok = true;
696	>	}
697	>
698	>	// Close display
699	>	driver_window::~driver_window()
700	>	{
701	>	if (have_shm) {
702	>	XShmDetach(x_display, &shminfo);
703	>	#ifdef ENABLE_VOSF
704	>	the_host_buffer = NULL; // don't free() in driver_base dtor
705		#else
706	<	VideoMonitor.mac_frame_base = MacFrameBaseMac;
706	>	the_buffer_copy = NULL; // don't free() in driver_base dtor
707		#endif
708	<	return true;
708	>	}
709	>	#ifdef ENABLE_VOSF
710	>	if (use_vosf) {
711	>	// don't free() memory mapped buffers in driver_base dtor
712	>	if (the_buffer != VM_MAP_FAILED) {
713	>	vm_release(the_buffer, the_buffer_size);
714	>	the_buffer = NULL;
715	>	}
716	>	if (the_buffer_copy != VM_MAP_FAILED) {
717	>	vm_release(the_buffer_copy, the_buffer_size);
718	>	the_buffer_copy = NULL;
719	>	}
720	>	}
721	>	#endif
722	>	if (img)
723	>	XDestroyImage(img);
724	>	if (have_shm) {
725	>	shmdt(shminfo.shmaddr);
726	>	shmctl(shminfo.shmid, IPC_RMID, 0);
727	>	}
728	>	if (gc)
729	>	XFreeGC(x_display, gc);
730	>	}
731	>
732	>	// Toggle mouse grab
733	>	void driver_window::toggle_mouse_grab(void)
734	>	{
735	>	if (mouse_grabbed)
736	>	ungrab_mouse();
737	>	else
738	>	grab_mouse();
739	>	}
740	>
741	>	// Grab mouse, switch to relative mouse mode
742	>	void driver_window::grab_mouse(void)
743	>	{
744	>	int result;
745	>	for (int i=0; i<10; i++) {
746	>	result = XGrabPointer(x_display, w, True, 0,
747	>	GrabModeAsync, GrabModeAsync, w, None, CurrentTime);
748	>	if (result != AlreadyGrabbed)
749	>	break;
750	>	Delay_usec(100000);
751	>	}
752	>	if (result == GrabSuccess) {
753	>	XStoreName(x_display, w, GetString(STR_WINDOW_TITLE_GRABBED));
754	>	ADBSetRelMouseMode(mouse_grabbed = true);
755	>	disable_mouse_accel();
756	>	}
757	>	}
758	>
759	>	// Ungrab mouse, switch to absolute mouse mode
760	>	void driver_window::ungrab_mouse(void)
761	>	{
762	>	if (mouse_grabbed) {
763	>	XUngrabPointer(x_display, CurrentTime);
764	>	XStoreName(x_display, w, GetString(STR_WINDOW_TITLE));
765	>	ADBSetRelMouseMode(mouse_grabbed = false);
766	>	restore_mouse_accel();
767	>	}
768	>	}
769	>
770	>	// Mouse moved
771	>	void driver_window::mouse_moved(int x, int y)
772	>	{
773	>	if (!mouse_grabbed) {
774	>	mouse_last_x = x; mouse_last_y = y;
775	>	ADBMouseMoved(x, y);
776	>	return;
777	>	}
778	>
779	>	// Warped mouse motion (this code is taken from SDL)
780	>
781	>	// Post first mouse event
782	>	int width = VideoMonitor.mode.x, height = VideoMonitor.mode.y;
783	>	int delta_x = x - mouse_last_x, delta_y = y - mouse_last_y;
784	>	mouse_last_x = x; mouse_last_y = y;
785	>	ADBMouseMoved(delta_x, delta_y);
786	>
787	>	// Only warp the pointer when it has reached the edge
788	>	const int MOUSE_FUDGE_FACTOR = 8;
789	>	if (x < MOUSE_FUDGE_FACTOR || x > (width - MOUSE_FUDGE_FACTOR)
790	>	|| y < MOUSE_FUDGE_FACTOR || y > (height - MOUSE_FUDGE_FACTOR)) {
791	>	XEvent event;
792	>	while (XCheckTypedEvent(x_display, MotionNotify, &event)) {
793	>	delta_x = x - mouse_last_x; delta_y = y - mouse_last_y;
794	>	mouse_last_x = x; mouse_last_y = y;
795	>	ADBMouseMoved(delta_x, delta_y);
796	>	}
797	>	mouse_last_x = width/2;
798	>	mouse_last_y = height/2;
799	>	XWarpPointer(x_display, None, w, 0, 0, 0, 0, mouse_last_x, mouse_last_y);
800	>	for (int i=0; i<10; i++) {
801	>	XMaskEvent(x_display, PointerMotionMask, &event);
802	>	if (event.xmotion.x > (mouse_last_x - MOUSE_FUDGE_FACTOR)
803	>	&& event.xmotion.x < (mouse_last_x + MOUSE_FUDGE_FACTOR)
804	>	&& event.xmotion.y > (mouse_last_y - MOUSE_FUDGE_FACTOR)
805	>	&& event.xmotion.y < (mouse_last_y + MOUSE_FUDGE_FACTOR))
806	>	break;
807	>	}
808	>	}
809	>	}
810	>
811	>
812	>	#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA)
813	>	/*
814	>	*  DGA display driver base class
815	>	*/
816	>
817	>	class driver_dga : public driver_base {
818	>	public:
819	>	driver_dga();
820	>	~driver_dga();
821	>
822	>	void suspend(void);
823	>	void resume(void);
824	>
825	>	private:
826	>	Window suspend_win;             // "Suspend" information window
827	>	void *fb_save;                  // Saved frame buffer for suspend/resume
828	>	};
829	>
830	>	driver_dga::driver_dga()
831	>	: suspend_win(0), fb_save(NULL)
832	>	{
833	>	}
834	>
835	>	driver_dga::~driver_dga()
836	>	{
837	>	XUngrabPointer(x_display, CurrentTime);
838	>	XUngrabKeyboard(x_display, CurrentTime);
839	>	}
840	>
841	>	// Suspend emulation
842	>	void driver_dga::suspend(void)
843	>	{
844	>	// Release ctrl key
845	>	ADBKeyUp(0x36);
846	>	ctrl_down = false;
847	>
848	>	// Lock frame buffer (this will stop the MacOS thread)
849	>	LOCK_FRAME_BUFFER;
850	>
851	>	// Save frame buffer
852	>	fb_save = malloc(VideoMonitor.mode.y * VideoMonitor.mode.bytes_per_row);
853	>	if (fb_save)
854	>	memcpy(fb_save, the_buffer, VideoMonitor.mode.y * VideoMonitor.mode.bytes_per_row);
855	>
856	>	// Close full screen display
857	>	#ifdef ENABLE_XF86_DGA
858	>	XF86DGADirectVideo(x_display, screen, 0);
859	>	#endif
860	>	XUngrabPointer(x_display, CurrentTime);
861	>	XUngrabKeyboard(x_display, CurrentTime);
862	>	restore_mouse_accel();
863	>	XUnmapWindow(x_display, w);
864	>	wait_unmapped(w);
865	>
866	>	// Open "suspend" window
867	>	XSetWindowAttributes wattr;
868	>	wattr.event_mask = KeyPressMask;
869	>	wattr.background_pixel = black_pixel;
870	>
871	>	suspend_win = XCreateWindow(x_display, rootwin, 0, 0, 512, 1, 0, xdepth,
872	>	InputOutput, vis, CWEventMask | CWBackPixel, &wattr);
873	>	set_window_name(suspend_win, STR_SUSPEND_WINDOW_TITLE);
874	>	set_window_focus(suspend_win);
875	>	XMapWindow(x_display, suspend_win);
876	>	emul_suspended = true;
877		}
878
879	<	// Init DGA display
880	<	static bool init_dga(int width, int height)
879	>	// Resume emulation
880	>	void driver_dga::resume(void)
881		{
882	<	#if ENABLE_DGA
882	>	// Close "suspend" window
883	>	XDestroyWindow(x_display, suspend_win);
884	>	XSync(x_display, false);
885	>
886	>	// Reopen full screen display
887	>	XMapRaised(x_display, w);
888	>	wait_mapped(w);
889	>	XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0);
890	>	XGrabKeyboard(x_display, rootwin, True, GrabModeAsync, GrabModeAsync, CurrentTime);
891	>	XGrabPointer(x_display, rootwin, True, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
892	>	disable_mouse_accel();
893	>	#ifdef ENABLE_XF86_DGA
894	>	XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
895	>	XF86DGASetViewPort(x_display, screen, 0, 0);
896	>	#endif
897	>	XSync(x_display, false);
898	>
899	>	// the_buffer already contains the data to restore. i.e. since a temporary
900	>	// frame buffer is used when VOSF is actually used, fb_save is therefore
901	>	// not necessary.
902	>	#ifdef ENABLE_VOSF
903	>	if (use_vosf) {
904	>	LOCK_VOSF;
905	>	PFLAG_SET_ALL;
906	>	UNLOCK_VOSF;
907	>	memset(the_buffer_copy, 0, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y);
908	>	}
909	>	#endif
910	>
911	>	// Restore frame buffer
912	>	if (fb_save) {
913	>	#ifdef ENABLE_VOSF
914	>	// Don't copy fb_save to the temporary frame buffer in VOSF mode
915	>	if (!use_vosf)
916	>	#endif
917	>	memcpy(the_buffer, fb_save, VideoMonitor.mode.y * VideoMonitor.mode.bytes_per_row);
918	>	free(fb_save);
919	>	fb_save = NULL;
920	>	}
921	>
922	>	// Unlock frame buffer (and continue MacOS thread)
923	>	UNLOCK_FRAME_BUFFER;
924	>	emul_suspended = false;
925	>	}
926	>	#endif
927	>
928	>
929	>	#ifdef ENABLE_FBDEV_DGA
930	>	/*
931	>	*  fbdev DGA display driver
932	>	*/
933	>
934	>	const char FBDEVICES_FILE_NAME[] = DATADIR "/fbdevices";
935	>	const char FBDEVICE_FILE_NAME[] = "/dev/fb";
936	>
937	>	class driver_fbdev : public driver_dga {
938	>	public:
939	>	driver_fbdev(const video_mode &mode);
940	>	~driver_fbdev();
941	>	};
942	>
943	>	// Open display
944	>	driver_fbdev::driver_fbdev(const video_mode &mode)
945	>	{
946	>	int width = mode.x, height = mode.y;
947	>
948	>	// Set absolute mouse mode
949	>	ADBSetRelMouseMode(false);
950	>
951	>	// Find the maximum depth available
952	>	int ndepths, max_depth(0);
953	>	int *depths = XListDepths(x_display, screen, &ndepths);
954	>	if (depths == NULL) {
955	>	printf("FATAL: Could not determine the maximal depth available\n");
956	>	return;
957	>	} else {
958	>	while (ndepths-- > 0) {
959	>	if (depths[ndepths] > max_depth)
960	>	max_depth = depths[ndepths];
961	>	}
962	>	}
963	>
964	>	// Get fbdevices file path from preferences
965	>	const char *fbd_path = PrefsFindString("fbdevicefile");
966	>
967	>	// Open fbdevices file
968	>	FILE *fp = fopen(fbd_path ? fbd_path : FBDEVICES_FILE_NAME, "r");
969	>	if (fp == NULL) {
970	>	char str[256];
971	>	sprintf(str, GetString(STR_NO_FBDEVICE_FILE_ERR), fbd_path ? fbd_path : FBDEVICES_FILE_NAME, strerror(errno));
972	>	ErrorAlert(str);
973	>	return;
974	>	}
975	>
976	>	int fb_depth;           // supported depth
977	>	uint32 fb_offset;       // offset used for mmap(2)
978	>	char fb_name[20];
979	>	char line[256];
980	>	bool device_found = false;
981	>	while (fgets(line, 255, fp)) {
982	>	// Read line
983	>	int len = strlen(line);
984	>	if (len == 0)
985	>	continue;
986	>	line[len - 1] = '\0';
987	>
988	>	// Comments begin with "#" or ";"
989	>	if ((line[0] == '#') || (line[0] == ';') || (line[0] == '\0'))
990	>	continue;
991	>
992	>	if ((sscanf(line, "%19s %d %x", &fb_name, &fb_depth, &fb_offset) == 3)
993	>	&& (strcmp(fb_name, fb_name) == 0) && (fb_depth == max_depth)) {
994	>	device_found = true;
995	>	break;
996	>	}
997	>	}
998	>
999	>	// fbdevices file completely read
1000	>	fclose(fp);
1001	>
1002	>	// Frame buffer name not found ? Then, display warning
1003	>	if (!device_found) {
1004	>	char str[256];
1005	>	sprintf(str, GetString(STR_FBDEV_NAME_ERR), fb_name, max_depth);
1006	>	ErrorAlert(str);
1007	>	return;
1008	>	}
1009	>
1010	>	// Create window
1011	>	XSetWindowAttributes wattr;
1012	>	wattr.event_mask = eventmask = dga_eventmask;
1013	>	wattr.background_pixel = white_pixel;
1014	>	wattr.override_redirect = True;
1015	>	wattr.colormap = cmap[0];
1016	>
1017	>	w = XCreateWindow(x_display, rootwin,
1018	>	0, 0, width, height,
1019	>	0, xdepth, InputOutput, vis,
1020	>	CWEventMask | CWBackPixel | CWOverrideRedirect | (fb_depth <= 8 ? CWColormap : 0),
1021	>	&wattr);
1022	>
1023	>	// Set window name/class
1024	>	set_window_name(w, STR_WINDOW_TITLE);
1025	>
1026	>	// Indicate that we want keyboard input
1027	>	set_window_focus(w);
1028	>
1029	>	// Show window
1030	>	XMapRaised(x_display, w);
1031	>	wait_mapped(w);
1032	>
1033	>	// Grab mouse and keyboard
1034	>	XGrabKeyboard(x_display, w, True,
1035	>	GrabModeAsync, GrabModeAsync, CurrentTime);
1036	>	XGrabPointer(x_display, w, True,
1037	>	PointerMotionMask | ButtonPressMask | ButtonReleaseMask,
1038	>	GrabModeAsync, GrabModeAsync, w, None, CurrentTime);
1039	>	disable_mouse_accel();
1040	>
1041	>	// Calculate bytes per row
1042	>	int bytes_per_row = TrivialBytesPerRow(mode.x, mode.depth);
1043	>
1044	>	// Map frame buffer
1045	>	the_buffer_size = height * bytes_per_row;
1046	>	if ((the_buffer = (uint8 *) mmap(NULL, the_buffer_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fbdev_fd, fb_offset)) == MAP_FAILED) {
1047	>	if ((the_buffer = (uint8 *) mmap(NULL, the_buffer_size, PROT_READ | PROT_WRITE, MAP_SHARED, fbdev_fd, fb_offset)) == MAP_FAILED) {
1048	>	char str[256];
1049	>	sprintf(str, GetString(STR_FBDEV_MMAP_ERR), strerror(errno));
1050	>	ErrorAlert(str);
1051	>	return;
1052	>	}
1053	>	}
1054	>
1055	>	#if ENABLE_VOSF
1056	>	#if REAL_ADDRESSING || DIRECT_ADDRESSING
1057	>	// Screen_blitter_init() returns TRUE if VOSF is mandatory
1058	>	// i.e. the framebuffer update function is not Blit_Copy_Raw
1059	>	use_vosf = Screen_blitter_init(&visualInfo, true, mode.depth);
1060	>
1061	>	if (use_vosf) {
1062	>	// Allocate memory for frame buffer (SIZE is extended to page-boundary)
1063	>	the_host_buffer = the_buffer;
1064	>	the_buffer_size = page_extend((height + 2) * bytes_per_row);
1065	>	the_buffer_copy = (uint8 *)vm_acquire(the_buffer_size);
1066	>	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
1067	>	}
1068	>	#else
1069	>	use_vosf = false;
1070	>	#endif
1071	>	#endif
1072	>
1073	>	// Set VideoMonitor
1074	>	VideoModes[0].bytes_per_row = bytes_per_row;
1075	>	VideoModes[0].depth = DepthModeForPixelDepth(fb_depth);
1076	>	VideoMonitor.mode = mode;
1077	>	set_mac_frame_buffer(mode.depth, true);
1078	>
1079	>	// Everything went well
1080	>	init_ok = true;
1081	>	}
1082	>
1083	>	// Close display
1084	>	driver_fbdev::~driver_fbdev()
1085	>	{
1086	>	if (!use_vosf) {
1087	>	if (the_buffer != MAP_FAILED) {
1088	>	// don't free() the screen buffer in driver_base dtor
1089	>	munmap(the_buffer, the_buffer_size);
1090	>	the_buffer = NULL;
1091	>	}
1092	>	}
1093	>	#ifdef ENABLE_VOSF
1094	>	else {
1095	>	if (the_host_buffer != MAP_FAILED) {
1096	>	// don't free() the screen buffer in driver_base dtor
1097	>	munmap(the_host_buffer, the_buffer_size);
1098	>	the_host_buffer = NULL;
1099	>	}
1100	>	if (the_buffer_copy != VM_MAP_FAILED) {
1101	>	vm_release(the_buffer_copy, the_buffer_size);
1102	>	the_buffer_copy = NULL;
1103	>	}
1104	>	if (the_buffer != VM_MAP_FAILED) {
1105	>	vm_release(the_buffer, the_buffer_size);
1106	>	the_buffer = NULL;
1107	>	}
1108	>	}
1109	>	#endif
1110	>	}
1111	>	#endif
1112	>
1113	>
1114	>	#ifdef ENABLE_XF86_DGA
1115	>	/*
1116	>	*  XFree86 DGA display driver
1117	>	*/
1118	>
1119	>	class driver_xf86dga : public driver_dga {
1120	>	public:
1121	>	driver_xf86dga(const video_mode &mode);
1122	>	~driver_xf86dga();
1123	>
1124	>	void update_palette(void);
1125	>	void resume(void);
1126	>
1127	>	private:
1128	>	int current_dga_cmap;                                   // Number (0 or 1) of currently installed DGA colormap
1129	>	};
1130	>
1131	>	// Open display
1132	>	driver_xf86dga::driver_xf86dga(const video_mode &mode)
1133	>	: current_dga_cmap(0)
1134	>	{
1135	>	int width = mode.x, height = mode.y;
1136	>
1137		// Set relative mouse mode
1138		ADBSetRelMouseMode(true);
1139
1140	+	#ifdef ENABLE_XF86_VIDMODE
1141	+	// Switch to best mode
1142	+	if (has_vidmode) {
1143	+	int best = 0;
1144	+	for (int i=1; i<num_x_video_modes; i++) {
1145	+	if (x_video_modes[i]->hdisplay >= width && x_video_modes[i]->vdisplay >= height &&
1146	+	x_video_modes[i]->hdisplay <= x_video_modes[best]->hdisplay && x_video_modes[i]->vdisplay <= x_video_modes[best]->vdisplay) {
1147	+	best = i;
1148	+	}
1149	+	}
1150	+	XF86VidModeSwitchToMode(x_display, screen, x_video_modes[best]);
1151	+	XF86VidModeSetViewPort(x_display, screen, 0, 0);
1152	+	XSync(x_display, false);
1153	+	}
1154	+	#endif
1155	+
1156		// Create window
1157		XSetWindowAttributes wattr;
1158		wattr.event_mask = eventmask = dga_eventmask;
335	–	wattr.border_pixel = black_pixel;
1159		wattr.override_redirect = True;
1160
1161	<	XSync(x_display, false);
1162	<	the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
1163	<	InputOutput, vis, CWEventMask | CWBorderPixel | CWOverrideRedirect, &wattr);
1164	<	XSync(x_display, false);
1165	<	XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE));
1166	<	XMapRaised(x_display, the_win);
1167	<	XSync(x_display, false);
1161	>	w = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
1162	>	InputOutput, vis, CWEventMask | CWOverrideRedirect, &wattr);
1163	>
1164	>	// Set window name/class
1165	>	set_window_name(w, STR_WINDOW_TITLE);
1166	>
1167	>	// Indicate that we want keyboard input
1168	>	set_window_focus(w);
1169	>
1170	>	// Show window
1171	>	XMapRaised(x_display, w);
1172	>	wait_mapped(w);
1173
1174		// Establish direct screen connection
1175	<	XMoveResizeWindow(x_display, the_win, 0, 0, width, height);
1175	>	XMoveResizeWindow(x_display, w, 0, 0, width, height);
1176		XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0);
1177		XGrabKeyboard(x_display, rootwin, True, GrabModeAsync, GrabModeAsync, CurrentTime);
1178		XGrabPointer(x_display, rootwin, True, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
1179	+	disable_mouse_accel();
1180
1181		int v_width, v_bank, v_size;
1182		XF86DGAGetVideo(x_display, screen, (char **)&the_buffer, &v_width, &v_bank, &v_size);
#	Line 356 | Line 1185 | static bool init_dga(int width, int heig
1185		XF86DGASetVidPage(x_display, screen, 0);
1186
1187		// Set colormap
1188	<	if (depth == 8) {
1189	<	XSetWindowColormap(x_display, the_win, cmap[current_dga_cmap = 0]);
361	<	XSetWMColormapWindows(x_display, the_win, &the_win, 1);
1188	>	if (!IsDirectMode(mode)) {
1189	>	XSetWindowColormap(x_display, w, cmap[current_dga_cmap = 0]);
1190		XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
1191		}
1192	+	XSync(x_display, false);
1193
1194	<	// Set VideoMonitor
1195	<	int bytes_per_row = (v_width + 7) & ~7;
1196	<	switch (depth) {
1197	<	case 1:
1198	<	bytes_per_row /= 8;
1199	<	break;
1200	<	case 15:
1201	<	case 16:
1202	<	bytes_per_row *= 2;
1203	<	break;
1204	<	case 24:
1205	<	case 32:
1206	<	bytes_per_row *= 4;
1207	<	break;
1194	>	// Init blitting routines
1195	>	int bytes_per_row = TrivialBytesPerRow((v_width + 7) & ~7, mode.depth);
1196	>	#if VIDEO_VOSF
1197	>	#if REAL_ADDRESSING || DIRECT_ADDRESSING
1198	>	// Screen_blitter_init() returns TRUE if VOSF is mandatory
1199	>	// i.e. the framebuffer update function is not Blit_Copy_Raw
1200	>	use_vosf = Screen_blitter_init(&visualInfo, true, mode.depth);
1201	>
1202	>	if (use_vosf) {
1203	>	// Allocate memory for frame buffer (SIZE is extended to page-boundary)
1204	>	the_host_buffer = the_buffer;
1205	>	the_buffer_size = page_extend((height + 2) * bytes_per_row);
1206	>	the_buffer_copy = (uint8 *)vm_acquire(the_buffer_size);
1207	>	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
1208		}
380	–	set_video_monitor(width, height, bytes_per_row, true);
381	–	#if REAL_ADDRESSING
382	–	VideoMonitor.mac_frame_base = (uint32)the_buffer;
383	–	MacFrameLayout = FLAYOUT_DIRECT;
1209		#else
1210	<	VideoMonitor.mac_frame_base = MacFrameBaseMac;
1210	>	use_vosf = false;
1211		#endif
387	–	return true;
388	–	#else
389	–	ErrorAlert("Basilisk II has been compiled with DGA support disabled.");
390	–	return false;
1212		#endif
1213	+
1214	+	// Set VideoMonitor
1215	+	const_cast<video_mode *>(&mode)->bytes_per_row = bytes_per_row;
1216	+	VideoMonitor.mode = mode;
1217	+	set_mac_frame_buffer(mode.depth, true);
1218	+
1219	+	// Everything went well
1220	+	init_ok = true;
1221	+	}
1222	+
1223	+	// Close display
1224	+	driver_xf86dga::~driver_xf86dga()
1225	+	{
1226	+	XF86DGADirectVideo(x_display, screen, 0);
1227	+	if (!use_vosf) {
1228	+	// don't free() the screen buffer in driver_base dtor
1229	+	the_buffer = NULL;
1230	+	}
1231	+	#ifdef ENABLE_VOSF
1232	+	else {
1233	+	// don't free() the screen buffer in driver_base dtor
1234	+	the_host_buffer = NULL;
1235	+
1236	+	if (the_buffer_copy != VM_MAP_FAILED) {
1237	+	vm_release(the_buffer_copy, the_buffer_size);
1238	+	the_buffer_copy = NULL;
1239	+	}
1240	+	if (the_buffer != VM_MAP_FAILED) {
1241	+	vm_release(the_buffer, the_buffer_size);
1242	+	the_buffer = NULL;
1243	+	}
1244	+	}
1245	+	#endif
1246	+	#ifdef ENABLE_XF86_VIDMODE
1247	+	if (has_vidmode)
1248	+	XF86VidModeSwitchToMode(x_display, screen, x_video_modes[0]);
1249	+	#endif
1250	+	}
1251	+
1252	+	// Palette has changed
1253	+	void driver_xf86dga::update_palette(void)
1254	+	{
1255	+	driver_dga::update_palette();
1256	+	current_dga_cmap ^= 1;
1257	+	if (!IsDirectMode(VideoMonitor.mode) && cmap[current_dga_cmap])
1258	+	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
1259	+	}
1260	+
1261	+	// Resume emulation
1262	+	void driver_xf86dga::resume(void)
1263	+	{
1264	+	driver_dga::resume();
1265	+	if (!IsDirectMode(VideoMonitor.mode))
1266	+	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
1267		}
1268	+	#endif
1269	+
1270	+
1271	+	/*
1272	+	*  Initialization
1273	+	*/
1274
1275		// Init keycode translation table
1276		static void keycode_init(void)
#	Line 456 | Line 1337 | static void keycode_init(void)
1337		}
1338		}
1339
1340	+	// Open display for specified mode
1341	+	static bool video_open(const video_mode &mode)
1342	+	{
1343	+	// Find best available X visual
1344	+	if (!find_visual_for_depth(mode.depth)) {
1345	+	ErrorAlert(STR_NO_XVISUAL_ERR);
1346	+	return false;
1347	+	}
1348	+
1349	+	// Create color maps
1350	+	if (color_class == PseudoColor || color_class == DirectColor) {
1351	+	cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll);
1352	+	cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll);
1353	+	} else {
1354	+	cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocNone);
1355	+	cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocNone);
1356	+	}
1357	+
1358	+	// Find pixel format of direct modes
1359	+	if (color_class == DirectColor || color_class == TrueColor) {
1360	+	rshift = gshift = bshift = 0;
1361	+	rloss = gloss = bloss = 8;
1362	+	uint32 mask;
1363	+	for (mask=vis->red_mask; !(mask&1); mask>>=1)
1364	+	++rshift;
1365	+	for (; mask&1; mask>>=1)
1366	+	--rloss;
1367	+	for (mask=vis->green_mask; !(mask&1); mask>>=1)
1368	+	++gshift;
1369	+	for (; mask&1; mask>>=1)
1370	+	--gloss;
1371	+	for (mask=vis->blue_mask; !(mask&1); mask>>=1)
1372	+	++bshift;
1373	+	for (; mask&1; mask>>=1)
1374	+	--bloss;
1375	+	}
1376	+
1377	+	// Preset palette pixel values for CLUT or gamma table
1378	+	if (color_class == DirectColor) {
1379	+	int num = vis->map_entries;
1380	+	for (int i=0; i<num; i++) {
1381	+	int c = (i * 256) / num;
1382	+	palette[i].pixel = map_rgb(c, c, c);
1383	+	palette[i].flags = DoRed | DoGreen | DoBlue;
1384	+	}
1385	+	} else if (color_class == PseudoColor) {
1386	+	for (int i=0; i<256; i++) {
1387	+	palette[i].pixel = i;
1388	+	palette[i].flags = DoRed | DoGreen | DoBlue;
1389	+	}
1390	+	}
1391	+
1392	+	// Load gray ramp to color map
1393	+	int num = (color_class == DirectColor ? vis->map_entries : 256);
1394	+	for (int i=0; i<num; i++) {
1395	+	int c = (i * 256) / num;
1396	+	palette[i].red = c * 0x0101;
1397	+	palette[i].green = c * 0x0101;
1398	+	palette[i].blue = c * 0x0101;
1399	+	}
1400	+	if (color_class == PseudoColor || color_class == DirectColor) {
1401	+	XStoreColors(x_display, cmap[0], palette, num);
1402	+	XStoreColors(x_display, cmap[1], palette, num);
1403	+	}
1404	+
1405	+	#ifdef ENABLE_VOSF
1406	+	// Load gray ramp to 8->16/32 expand map
1407	+	if (!IsDirectMode(mode) && xdepth > 8)
1408	+	for (int i=0; i<256; i++)
1409	+	ExpandMap[i] = map_rgb(i, i, i);
1410	+	#endif
1411	+
1412	+	// Create display driver object of requested type
1413	+	switch (display_type) {
1414	+	case DISPLAY_WINDOW:
1415	+	drv = new driver_window(mode);
1416	+	break;
1417	+	#ifdef ENABLE_FBDEV_DGA
1418	+	case DISPLAY_DGA:
1419	+	drv = new driver_fbdev(mode);
1420	+	break;
1421	+	#endif
1422	+	#ifdef ENABLE_XF86_DGA
1423	+	case DISPLAY_DGA:
1424	+	drv = new driver_xf86dga(mode);
1425	+	break;
1426	+	#endif
1427	+	}
1428	+	if (drv == NULL)
1429	+	return false;
1430	+	if (!drv->init_ok) {
1431	+	delete drv;
1432	+	drv = NULL;
1433	+	return false;
1434	+	}
1435	+
1436	+	#ifdef ENABLE_VOSF
1437	+	if (use_vosf) {
1438	+	// Initialize the VOSF system
1439	+	if (!video_vosf_init()) {
1440	+	ErrorAlert(STR_VOSF_INIT_ERR);
1441	+	return false;
1442	+	}
1443	+	}
1444	+	#endif
1445	+
1446	+	// Initialize VideoRefresh function
1447	+	VideoRefreshInit();
1448	+
1449	+	// Lock down frame buffer
1450	+	XSync(x_display, false);
1451	+	LOCK_FRAME_BUFFER;
1452	+
1453	+	// Start redraw/input thread
1454	+	#ifdef HAVE_PTHREADS
1455	+	redraw_thread_cancel = false;
1456	+	redraw_thread_active = (pthread_create(&redraw_thread, NULL, redraw_func, NULL) == 0);
1457	+	if (!redraw_thread_active) {
1458	+	printf("FATAL: cannot create redraw thread\n");
1459	+	return false;
1460	+	}
1461	+	#else
1462	+	redraw_thread_active = true;
1463	+	#endif
1464	+
1465	+	return true;
1466	+	}
1467	+
1468		bool VideoInit(bool classic)
1469		{
1470	+	classic_mode = classic;
1471	+
1472	+	#ifdef ENABLE_VOSF
1473	+	// Zero the mainBuffer structure
1474	+	mainBuffer.dirtyPages = NULL;
1475	+	mainBuffer.pageInfo = NULL;
1476	+	#endif
1477	+
1478	+	// Check if X server runs on local machine
1479	+	local_X11 = (strncmp(XDisplayName(x_display_name), ":", 1) == 0)
1480	+	|| (strncmp(XDisplayName(x_display_name), "unix:", 5) == 0);
1481	+
1482		// Init keycode translation
1483		keycode_init();
1484
1485	+	// Read prefs
1486	+	frame_skip = PrefsFindInt32("frameskip");
1487	+	mouse_wheel_mode = PrefsFindInt32("mousewheelmode");
1488	+	mouse_wheel_lines = PrefsFindInt32("mousewheellines");
1489	+
1490		// Find screen and root window
1491		screen = XDefaultScreen(x_display);
1492		rootwin = XRootWindow(x_display, screen);
1493
1494	<	// Get screen depth
1495	<	xdepth = DefaultDepth(x_display, screen);
1494	>	// Get sorted list of available depths
1495	>	avail_depths = XListDepths(x_display, screen, &num_depths);
1496	>	if (avail_depths == NULL) {
1497	>	ErrorAlert(STR_UNSUPP_DEPTH_ERR);
1498	>	return false;
1499	>	}
1500	>	sort(avail_depths, avail_depths + num_depths);
1501	>
1502	>	#ifdef ENABLE_FBDEV_DGA
1503	>	// Frame buffer name
1504	>	char fb_name[20];
1505	>
1506	>	// Could do fbdev DGA?
1507	>	if ((fbdev_fd = open(FBDEVICE_FILE_NAME, O_RDWR)) != -1)
1508	>	has_dga = true;
1509	>	else
1510	>	has_dga = false;
1511	>	#endif
1512
1513	<	#if ENABLE_DGA
1513	>	#ifdef ENABLE_XF86_DGA
1514		// DGA available?
1515	<	int dga_flags = 0;
1516	<	XF86DGAQueryDirectVideo(x_display, screen, &dga_flags);
1517	<	has_dga = dga_flags & XF86DGADirectPresent;
1515	>	int dga_event_base, dga_error_base;
1516	>	if (local_X11 && XF86DGAQueryExtension(x_display, &dga_event_base, &dga_error_base)) {
1517	>	int dga_flags = 0;
1518	>	XF86DGAQueryDirectVideo(x_display, screen, &dga_flags);
1519	>	has_dga = dga_flags & XF86DGADirectPresent;
1520	>	} else
1521	>	has_dga = false;
1522		#endif
1523
1524	+	#ifdef ENABLE_XF86_VIDMODE
1525	+	// VidMode available?
1526	+	int vm_event_base, vm_error_base;
1527	+	has_vidmode = XF86VidModeQueryExtension(x_display, &vm_event_base, &vm_error_base);
1528	+	if (has_vidmode)
1529	+	XF86VidModeGetAllModeLines(x_display, screen, &num_x_video_modes, &x_video_modes);
1530	+	#endif
1531	+
1532		// Find black and white colors
1533		XParseColor(x_display, DefaultColormap(x_display, screen), "rgb:00/00/00", &black);
1534		XAllocColor(x_display, DefaultColormap(x_display, screen), &black);
#	Line 483 | Line 1537 | bool VideoInit(bool classic)
1537		black_pixel = BlackPixel(x_display, screen);
1538		white_pixel = WhitePixel(x_display, screen);
1539
486	–	// Get appropriate visual
487	–	int color_class;
488	–	switch (xdepth) {
489	–	case 1:
490	–	color_class = StaticGray;
491	–	break;
492	–	case 8:
493	–	color_class = PseudoColor;
494	–	break;
495	–	case 15:
496	–	case 16:
497	–	case 24:
498	–	case 32:
499	–	color_class = TrueColor;
500	–	break;
501	–	default:
502	–	ErrorAlert(GetString(STR_UNSUPP_DEPTH_ERR));
503	–	return false;
504	–	}
505	–	if (!XMatchVisualInfo(x_display, screen, xdepth, color_class, &visualInfo)) {
506	–	ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
507	–	return false;
508	–	}
509	–	if (visualInfo.depth != xdepth) {
510	–	ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
511	–	return false;
512	–	}
513	–	vis = visualInfo.visual;
514	–
515	–	// Mac screen depth is always 1 bit in Classic mode, but follows X depth otherwise
516	–	classic_mode = classic;
517	–	if (classic)
518	–	depth = 1;
519	–	else
520	–	depth = xdepth;
521	–
522	–	// Create color maps for 8 bit mode
523	–	if (depth == 8) {
524	–	cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll);
525	–	cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll);
526	–	XInstallColormap(x_display, cmap[0]);
527	–	XInstallColormap(x_display, cmap[1]);
528	–	}
529	–
1540		// Get screen mode from preferences
1541		const char *mode_str;
1542	<	if (classic)
1542	>	if (classic_mode)
1543		mode_str = "win/512/342";
1544		else
1545		mode_str = PrefsFindString("screen");
1546
1547	<	// Determine type and mode
1548	<	int width = 512, height = 384;
1547	>	// Determine display type and default dimensions
1548	>	int default_width = 512, default_height = 384;
1549		display_type = DISPLAY_WINDOW;
1550		if (mode_str) {
1551	<	if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2)
1551	>	if (sscanf(mode_str, "win/%d/%d", &default_width, &default_height) == 2) {
1552		display_type = DISPLAY_WINDOW;
1553	<	else if (has_dga && sscanf(mode_str, "dga/%d/%d", &width, &height) == 2) {
1553	>	#ifdef ENABLE_FBDEV_DGA
1554	>	} else if (has_dga && sscanf(mode_str, "dga/%19s", fb_name) == 1) {
1555		display_type = DISPLAY_DGA;
1556	<	if (width > DisplayWidth(x_display, screen))
1557	<	width = DisplayWidth(x_display, screen);
1558	<	if (height > DisplayHeight(x_display, screen))
1559	<	height = DisplayHeight(x_display, screen);
1560	<	}
1561	<	if (width <= 0)
1562	<	width = DisplayWidth(x_display, screen);
552	<	if (height <= 0)
553	<	height = DisplayHeight(x_display, screen);
1556	>	default_width = -1; default_height = -1; // use entire screen
1557	>	#endif
1558	>	#ifdef ENABLE_XF86_DGA
1559	>	} else if (has_dga && sscanf(mode_str, "dga/%d/%d", &default_width, &default_height) == 2) {
1560	>	display_type = DISPLAY_DGA;
1561	>	#endif
1562	>	}
1563		}
1564	<
1565	<	// Initialize according to display type
1566	<	switch (display_type) {
1567	<	case DISPLAY_WINDOW:
1568	<	if (!init_window(width, height))
1569	<	return false;
1564	>	if (default_width <= 0)
1565	>	default_width = DisplayWidth(x_display, screen);
1566	>	else if (default_width > DisplayWidth(x_display, screen))
1567	>	default_width = DisplayWidth(x_display, screen);
1568	>	if (default_height <= 0)
1569	>	default_height = DisplayHeight(x_display, screen);
1570	>	else if (default_height > DisplayHeight(x_display, screen))
1571	>	default_height = DisplayHeight(x_display, screen);
1572	>
1573	>	// Mac screen depth follows X depth
1574	>	video_depth default_depth = VDEPTH_1BIT;
1575	>	switch (DefaultDepth(x_display, screen)) {
1576	>	case 8:
1577	>	default_depth = VDEPTH_8BIT;
1578		break;
1579	<	case DISPLAY_DGA:
1580	<	if (!init_dga(width, height))
1581	<	return false;
1579	>	case 15: case 16:
1580	>	default_depth = VDEPTH_16BIT;
1581	>	break;
1582	>	case 24: case 32:
1583	>	default_depth = VDEPTH_32BIT;
1584		break;
1585		}
1586
1587	<	// Lock down frame buffer
1588	<	pthread_mutex_lock(&frame_buffer_lock);
1589	<
1590	<	#if !REAL_ADDRESSING
1591	<	// Set variables for UAE memory mapping
1592	<	MacFrameBaseHost = the_buffer;
1593	<	MacFrameSize = VideoMonitor.bytes_per_row * VideoMonitor.y;
1587	>	// Construct list of supported modes
1588	>	if (display_type == DISPLAY_WINDOW) {
1589	>	if (classic)
1590	>	add_mode(512, 342, 0x80, 64, VDEPTH_1BIT);
1591	>	else {
1592	>	for (unsigned d=VDEPTH_1BIT; d<=VDEPTH_32BIT; d++) {
1593	>	if (find_visual_for_depth(video_depth(d)))
1594	>	add_window_modes(video_depth(d));
1595	>	}
1596	>	}
1597	>	} else
1598	>	add_mode(default_width, default_height, 0x80, TrivialBytesPerRow(default_width, default_depth), default_depth);
1599	>	if (VideoModes.empty()) {
1600	>	ErrorAlert(STR_NO_XVISUAL_ERR);
1601	>	return false;
1602	>	}
1603	>	video_init_depth_list();
1604
1605	<	// No special frame buffer in Classic mode (frame buffer is in Mac RAM)
1606	<	if (classic)
1607	<	MacFrameLayout = FLAYOUT_NONE;
1605	>	#if DEBUG
1606	>	D(bug("Available video modes:\n"));
1607	>	vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
1608	>	while (i != end) {
1609	>	int bits = 1 << i->depth;
1610	>	if (bits == 16)
1611	>	bits = 15;
1612	>	else if (bits == 32)
1613	>	bits = 24;
1614	>	D(bug(" %dx%d (ID %02x), %d colors\n", i->x, i->y, i->resolution_id, 1 << bits));
1615	>	++i;
1616	>	}
1617		#endif
1618
1619	<	// Start redraw/input thread
1620	<	XSync(x_display, false);
1621	<	redraw_thread_active = (pthread_create(&redraw_thread, NULL, redraw_func, NULL) == 0);
1622	<	if (!redraw_thread_active)
1623	<	printf("FATAL: cannot create redraw thread\n");
1624	<	return redraw_thread_active;
1619	>	// Find requested default mode and open display
1620	>	if (VideoModes.size() == 1)
1621	>	return video_open(VideoModes[0]);
1622	>	else {
1623	>	// Find mode with specified dimensions
1624	>	std::vector<video_mode>::const_iterator i, end = VideoModes.end();
1625	>	for (i = VideoModes.begin(); i != end; ++i) {
1626	>	if (i->x == default_width && i->y == default_height && i->depth == default_depth)
1627	>	return video_open(*i);
1628	>	}
1629	>	return video_open(VideoModes[0]);
1630	>	}
1631		}
1632
1633
#	Line 591 | Line 1635 | bool VideoInit(bool classic)
1635		*  Deinitialization
1636		*/
1637
1638	<	void VideoExit(void)
1638	>	// Close display
1639	>	static void video_close(void)
1640		{
1641		// Stop redraw thread
1642	+	#ifdef HAVE_PTHREADS
1643		if (redraw_thread_active) {
1644		redraw_thread_cancel = true;
1645		#ifdef HAVE_PTHREAD_CANCEL
1646		pthread_cancel(redraw_thread);
1647		#endif
1648		pthread_join(redraw_thread, NULL);
603	–	redraw_thread_active = false;
1649		}
1650	+	#endif
1651	+	redraw_thread_active = false;
1652
1653		// Unlock frame buffer
1654	<	pthread_mutex_unlock(&frame_buffer_lock);
1654	>	UNLOCK_FRAME_BUFFER;
1655	>	XSync(x_display, false);
1656
1657	<	// Close window and server connection
1658	<	if (x_display != NULL) {
1659	<	XSync(x_display, false);
1657	>	#ifdef ENABLE_VOSF
1658	>	if (use_vosf) {
1659	>	// Deinitialize VOSF
1660	>	video_vosf_exit();
1661	>	}
1662	>	#endif
1663
1664	<	#if ENABLE_DGA
1665	<	if (display_type == DISPLAY_DGA) {
1666	<	XF86DGADirectVideo(x_display, screen, 0);
1667	<	XUngrabPointer(x_display, CurrentTime);
1668	<	XUngrabKeyboard(x_display, CurrentTime);
1669	<	}
1664	>	// Close display
1665	>	delete drv;
1666	>	drv = NULL;
1667	>
1668	>	// Free colormaps
1669	>	if (cmap[0]) {
1670	>	XFreeColormap(x_display, cmap[0]);
1671	>	cmap[0] = 0;
1672	>	}
1673	>	if (cmap[1]) {
1674	>	XFreeColormap(x_display, cmap[1]);
1675	>	cmap[1] = 0;
1676	>	}
1677	>	}
1678	>
1679	>	void VideoExit(void)
1680	>	{
1681	>	// Close display
1682	>	video_close();
1683	>
1684	>	#ifdef ENABLE_XF86_VIDMODE
1685	>	// Free video mode list
1686	>	if (x_video_modes) {
1687	>	XFree(x_video_modes);
1688	>	x_video_modes = NULL;
1689	>	}
1690		#endif
1691
1692	<	if (the_buffer_copy) {
1693	<	free(the_buffer_copy);
1694	<	the_buffer_copy = NULL;
1695	<	}
1692	>	#ifdef ENABLE_FBDEV_DGA
1693	>	// Close framebuffer device
1694	>	if (fbdev_fd >= 0) {
1695	>	close(fbdev_fd);
1696	>	fbdev_fd = -1;
1697	>	}
1698	>	#endif
1699
1700	<	XFlush(x_display);
1701	<	XSync(x_display, false);
1702	<	if (depth == 8) {
1703	<	XFreeColormap(x_display, cmap[0]);
630	<	XFreeColormap(x_display, cmap[1]);
631	<	}
1700	>	// Free depth list
1701	>	if (avail_depths) {
1702	>	XFree(avail_depths);
1703	>	avail_depths = NULL;
1704		}
1705		}
1706
#	Line 640 | Line 1712 | void VideoExit(void)
1712		void VideoQuitFullScreen(void)
1713		{
1714		D(bug("VideoQuitFullScreen()\n"));
1715	<	if (display_type == DISPLAY_DGA)
644	<	quit_full_screen = true;
1715	>	quit_full_screen = true;
1716		}
1717
1718
#	Line 657 | Line 1728 | void VideoInterrupt(void)
1728
1729		// Temporarily give up frame buffer lock (this is the point where
1730		// we are suspended when the user presses Ctrl-Tab)
1731	<	pthread_mutex_unlock(&frame_buffer_lock);
1732	<	pthread_mutex_lock(&frame_buffer_lock);
1731	>	UNLOCK_FRAME_BUFFER;
1732	>	LOCK_FRAME_BUFFER;
1733		}
1734
1735
#	Line 666 | Line 1737 | void VideoInterrupt(void)
1737		*  Set palette
1738		*/
1739
1740	<	void video_set_palette(uint8 *pal)
1740	>	void video_set_palette(uint8 *pal, int num_in)
1741		{
1742	<	pthread_mutex_lock(&palette_lock);
1742	>	LOCK_PALETTE;
1743
1744		// Convert colors to XColor array
1745	<	for (int i=0; i<256; i++) {
1746	<	palette[i].pixel = i;
1747	<	palette[i].red = pal[i*3] * 0x0101;
1748	<	palette[i].green = pal[i*3+1] * 0x0101;
1749	<	palette[i].blue = pal[i*3+2] * 0x0101;
1750	<	palette[i].flags = DoRed | DoGreen | DoBlue;
1745	>	int num_out = 256;
1746	>	bool stretch = false;
1747	>	if (IsDirectMode(VideoMonitor.mode)) {
1748	>	// If X is in 565 mode we have to stretch the gamma table from 32 to 64 entries
1749	>	num_out = vis->map_entries;
1750	>	stretch = true;
1751	>	}
1752	>	XColor *p = palette;
1753	>	for (int i=0; i<num_out; i++) {
1754	>	int c = (stretch ? (i * num_in) / num_out : i);
1755	>	p->red = pal[c*3 + 0] * 0x0101;
1756	>	p->green = pal[c*3 + 1] * 0x0101;
1757	>	p->blue = pal[c*3 + 2] * 0x0101;
1758	>	p++;
1759	>	}
1760	>
1761	>	#ifdef ENABLE_VOSF
1762	>	// Recalculate pixel color expansion map
1763	>	if (!IsDirectMode(VideoMonitor.mode) && xdepth > 8) {
1764	>	for (int i=0; i<256; i++) {
1765	>	int c = i & (num_in-1); // If there are less than 256 colors, we repeat the first entries (this makes color expansion easier)
1766	>	ExpandMap[i] = map_rgb(pal[c*3+0], pal[c*3+1], pal[c*3+2]);
1767	>	}
1768	>
1769	>	// We have to redraw everything because the interpretation of pixel values changed
1770	>	LOCK_VOSF;
1771	>	PFLAG_SET_ALL;
1772	>	UNLOCK_VOSF;
1773	>	memset(the_buffer_copy, 0, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y);
1774		}
1775	+	#endif
1776
1777		// Tell redraw thread to change palette
1778		palette_changed = true;
1779
1780	<	pthread_mutex_unlock(&palette_lock);
1780	>	UNLOCK_PALETTE;
1781		}
1782
1783
1784		/*
1785	<	*  Suspend/resume emulator
1785	>	*  Switch video mode
1786		*/
1787
1788	<	#if ENABLE_DGA
694	<	static void suspend_emul(void)
695	<	{
696	<	if (display_type == DISPLAY_DGA) {
697	<	// Release ctrl key
698	<	ADBKeyUp(0x36);
699	<	ctrl_down = false;
700	<
701	<	// Lock frame buffer (this will stop the MacOS thread)
702	<	pthread_mutex_lock(&frame_buffer_lock);
703	<
704	<	// Save frame buffer
705	<	fb_save = malloc(VideoMonitor.y * VideoMonitor.bytes_per_row);
706	<	if (fb_save)
707	<	memcpy(fb_save, the_buffer, VideoMonitor.y * VideoMonitor.bytes_per_row);
708	<
709	<	// Close full screen display
710	<	XF86DGADirectVideo(x_display, screen, 0);
711	<	XUngrabPointer(x_display, CurrentTime);
712	<	XUngrabKeyboard(x_display, CurrentTime);
713	<	XUnmapWindow(x_display, the_win);
714	<	XSync(x_display, false);
715	<
716	<	// Open "suspend" window
717	<	XSetWindowAttributes wattr;
718	<	wattr.event_mask = KeyPressMask;
719	<	wattr.background_pixel = black_pixel;
720	<	wattr.border_pixel = black_pixel;
721	<	wattr.backing_store = Always;
722	<	wattr.backing_planes = xdepth;
723	<	wattr.colormap = DefaultColormap(x_display, screen);
724	<	XSync(x_display, false);
725	<	suspend_win = XCreateWindow(x_display, rootwin, 0, 0, 512, 1, 0, xdepth,
726	<	InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel |
727	<	CWBackingStore | CWBackingPlanes | (xdepth == 8 ? CWColormap : 0), &wattr);
728	<	XSync(x_display, false);
729	<	XStoreName(x_display, suspend_win, GetString(STR_SUSPEND_WINDOW_TITLE));
730	<	XMapRaised(x_display, suspend_win);
731	<	XSync(x_display, false);
732	<	emul_suspended = true;
733	<	}
734	<	}
735	<
736	<	static void resume_emul(void)
1788	>	void video_switch_to_mode(const video_mode &mode)
1789		{
1790	<	// Close "suspend" window
1791	<	XDestroyWindow(x_display, suspend_win);
1792	<	XSync(x_display, false);
741	<
742	<	// Reopen full screen display
743	<	XMapRaised(x_display, the_win);
744	<	XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0);
745	<	XSync(x_display, false);
746	<	XGrabKeyboard(x_display, rootwin, 1, GrabModeAsync, GrabModeAsync, CurrentTime);
747	<	XGrabPointer(x_display, rootwin, 1, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
748	<	XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
749	<	XF86DGASetViewPort(x_display, screen, 0, 0);
750	<	XSync(x_display, false);
1790	>	// Close and reopen display
1791	>	video_close();
1792	>	video_open(mode);
1793
1794	<	// Restore frame buffer
1795	<	if (fb_save) {
1796	<	memcpy(the_buffer, fb_save, VideoMonitor.y * VideoMonitor.bytes_per_row);
755	<	free(fb_save);
756	<	fb_save = NULL;
1794	>	if (drv == NULL) {
1795	>	ErrorAlert(STR_OPEN_WINDOW_ERR);
1796	>	QuitEmulator();
1797		}
758	–	if (depth == 8)
759	–	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
760	–
761	–	// Unlock frame buffer (and continue MacOS thread)
762	–	pthread_mutex_unlock(&frame_buffer_lock);
763	–	emul_suspended = false;
1798		}
765	–	#endif
1799
1800
1801		/*
1802	<	*  Translate key event to Mac keycode
1802	>	*  Translate key event to Mac keycode, returns -1 if no keycode was found
1803	>	*  and -2 if the key was recognized as a hotkey
1804		*/
1805
1806	<	static int kc_decode(KeySym ks)
1806	>	static int kc_decode(KeySym ks, bool key_down)
1807		{
1808		switch (ks) {
1809		case XK_A: case XK_a: return 0x00;
#	Line 822 | Line 1856 | static int kc_decode(KeySym ks)
1856		case XK_period: case XK_greater: return 0x2f;
1857		case XK_slash: case XK_question: return 0x2c;
1858
1859	<	#if ENABLE_DGA
826	<	case XK_Tab: if (ctrl_down) {suspend_emul(); return -1;} else return 0x30;
827	<	#else
828	<	case XK_Tab: return 0x30;
829	<	#endif
1859	>	case XK_Tab: if (ctrl_down) {if (key_down) drv->suspend(); return -2;} else return 0x30;
1860		case XK_Return: return 0x24;
1861		case XK_space: return 0x31;
1862		case XK_BackSpace: return 0x33;
#	Line 860 | Line 1890 | static int kc_decode(KeySym ks)
1890		case XK_Left: return 0x3b;
1891		case XK_Right: return 0x3c;
1892
1893	<	case XK_Escape: if (ctrl_down) {quit_full_screen = true; emerg_quit = true; return -1;} else return 0x35;
1893	>	case XK_Escape: if (ctrl_down) {if (key_down) { quit_full_screen = true; emerg_quit = true; } return -2;} else return 0x35;
1894
1895	<	case XK_F1: if (ctrl_down) {SysMountFirstFloppy(); return -1;} else return 0x7a;
1895	>	case XK_F1: if (ctrl_down) {if (key_down) SysMountFirstFloppy(); return -2;} else return 0x7a;
1896		case XK_F2: return 0x78;
1897		case XK_F3: return 0x63;
1898		case XK_F4: return 0x76;
1899	<	case XK_F5: return 0x60;
1899	>	case XK_F5: if (ctrl_down) {if (key_down) drv->toggle_mouse_grab(); return -2;} else return 0x60;
1900		case XK_F6: return 0x61;
1901		case XK_F7: return 0x62;
1902		case XK_F8: return 0x64;
#	Line 914 | Line 1944 | static int kc_decode(KeySym ks)
1944		return -1;
1945		}
1946
1947	<	static int event2keycode(XKeyEvent *ev)
1947	>	static int event2keycode(XKeyEvent &ev, bool key_down)
1948		{
1949		KeySym ks;
920	–	int as;
1950		int i = 0;
1951
1952		do {
1953	<	ks = XLookupKeysym(ev, i++);
1954	<	as = kc_decode(ks);
1955	<	if (as != -1)
1953	>	ks = XLookupKeysym(&ev, i++);
1954	>	int as = kc_decode(ks, key_down);
1955	>	if (as >= 0)
1956	>	return as;
1957	>	if (as == -2)
1958		return as;
1959		} while (ks != NoSymbol);
1960
#	Line 937 | Line 1968 | static int event2keycode(XKeyEvent *ev)
1968
1969		static void handle_events(void)
1970		{
1971	<	XEvent event;
1972	<	for (;;) {
1973	<	if (!XCheckMaskEvent(x_display, eventmask, &event))
943	<	break;
1971	>	while (XPending(x_display)) {
1972	>	XEvent event;
1973	>	XNextEvent(x_display, &event);
1974
1975		switch (event.type) {
1976	+
1977		// Mouse button
1978		case ButtonPress: {
1979	<	unsigned int button = ((XButtonEvent *)&event)->button;
1979	>	unsigned int button = event.xbutton.button;
1980		if (button < 4)
1981		ADBMouseDown(button - 1);
1982	+	else if (button < 6) {  // Wheel mouse
1983	+	if (mouse_wheel_mode == 0) {
1984	+	int key = (button == 5) ? 0x79 : 0x74;  // Page up/down
1985	+	ADBKeyDown(key);
1986	+	ADBKeyUp(key);
1987	+	} else {
1988	+	int key = (button == 5) ? 0x3d : 0x3e;  // Cursor up/down
1989	+	for(int i=0; i<mouse_wheel_lines; i++) {
1990	+	ADBKeyDown(key);
1991	+	ADBKeyUp(key);
1992	+	}
1993	+	}
1994	+	}
1995		break;
1996		}
1997		case ButtonRelease: {
1998	<	unsigned int button = ((XButtonEvent *)&event)->button;
1998	>	unsigned int button = event.xbutton.button;
1999		if (button < 4)
2000		ADBMouseUp(button - 1);
2001		break;
2002		}
2003
2004		// Mouse moved
961	–	case EnterNotify:
962	–	ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
963	–	break;
2005		case MotionNotify:
2006	<	ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
2006	>	drv->mouse_moved(event.xmotion.x, event.xmotion.y);
2007	>	break;
2008	>
2009	>	// Mouse entered window
2010	>	case EnterNotify:
2011	>	if (event.xcrossing.mode != NotifyGrab && event.xcrossing.mode != NotifyUngrab)
2012	>	drv->mouse_moved(event.xmotion.x, event.xmotion.y);
2013		break;
2014
2015		// Keyboard
2016		case KeyPress: {
2017	<	int code;
2017	>	int code = -1;
2018		if (use_keycodes) {
2019	<	event2keycode((XKeyEvent *)&event);     // This is called to process the hotkeys
2020	<	code = keycode_table[((XKeyEvent *)&event)->keycode & 0xff];
2019	>	if (event2keycode(event.xkey, true) != -2)      // This is called to process the hotkeys
2020	>	code = keycode_table[event.xkey.keycode & 0xff];
2021		} else
2022	<	code = event2keycode((XKeyEvent *)&event);
2023	<	if (code != -1) {
2022	>	code = event2keycode(event.xkey, true);
2023	>	if (code >= 0) {
2024		if (!emul_suspended) {
2025		if (code == 0x39) {     // Caps Lock pressed
2026		if (caps_on) {
#	Line 988 | Line 2035 | static void handle_events(void)
2035		if (code == 0x36)
2036		ctrl_down = true;
2037		} else {
991	–	#if ENABLE_DGA
2038		if (code == 0x31)
2039	<	resume_emul();  // Space wakes us up
994	<	#endif
2039	>	drv->resume();  // Space wakes us up
2040		}
2041		}
2042		break;
2043		}
2044		case KeyRelease: {
2045	<	int code;
2045	>	int code = -1;
2046		if (use_keycodes) {
2047	<	event2keycode((XKeyEvent *)&event);     // This is called to process the hotkeys
2048	<	code = keycode_table[((XKeyEvent *)&event)->keycode & 0xff];
2047	>	if (event2keycode(event.xkey, false) != -2)     // This is called to process the hotkeys
2048	>	code = keycode_table[event.xkey.keycode & 0xff];
2049		} else
2050	<	code = event2keycode((XKeyEvent *)&event);
2051	<	if (code != -1 && code != 0x39) {       // Don't propagate Caps Lock releases
2050	>	code = event2keycode(event.xkey, false);
2051	>	if (code >= 0 && code != 0x39) {        // Don't propagate Caps Lock releases
2052		ADBKeyUp(code);
2053		if (code == 0x36)
2054		ctrl_down = false;
#	Line 1013 | Line 2058 | static void handle_events(void)
2058
2059		// Hidden parts exposed, force complete refresh of window
2060		case Expose:
2061	<	if (display_type == DISPLAY_WINDOW)
2062	<	memset(the_buffer_copy, 0, VideoMonitor.bytes_per_row * VideoMonitor.y);
2061	>	if (display_type == DISPLAY_WINDOW) {
2062	>	#ifdef ENABLE_VOSF
2063	>	if (use_vosf) {                 // VOSF refresh
2064	>	LOCK_VOSF;
2065	>	PFLAG_SET_ALL;
2066	>	UNLOCK_VOSF;
2067	>	memset(the_buffer_copy, 0, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y);
2068	>	}
2069	>	else
2070	>	#endif
2071	>	if (frame_skip == 0) {  // Dynamic refresh
2072	>	int x1, y1;
2073	>	for (y1=0; y1<16; y1++)
2074	>	for (x1=0; x1<16; x1++)
2075	>	updt_box[x1][y1] = true;
2076	>	nr_boxes = 16 * 16;
2077	>	} else                                  // Static refresh
2078	>	memset(the_buffer_copy, 0, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y);
2079	>	}
2080	>	break;
2081	>
2082	>	// Window "close" widget clicked
2083	>	case ClientMessage:
2084	>	if (event.xclient.format == 32 && event.xclient.data.l[0] == WM_DELETE_WINDOW) {
2085	>	ADBKeyDown(0x7f);       // Power key
2086	>	ADBKeyUp(0x7f);
2087	>	}
2088		break;
2089		}
2090		}
#	Line 1025 | Line 2095 | static void handle_events(void)
2095		*  Window display update
2096		*/
2097
2098	<	static void update_display(void)
2098	>	// Dynamic display update (variable frame rate for each box)
2099	>	static void update_display_dynamic(int ticker, driver_window *drv)
2100		{
2101	<	// In classic mode, copy the frame buffer from Mac RAM
2102	<	if (classic_mode)
2103	<	memcpy(the_buffer, Mac2HostAddr(0x3fa700), VideoMonitor.bytes_per_row * VideoMonitor.y);
2101	>	int y1, y2, y2s, y2a, i, x1, xm, xmo, ymo, yo, yi, yil, xi;
2102	>	int xil = 0;
2103	>	int rxm = 0, rxmo = 0;
2104	>	int bytes_per_row = VideoMonitor.mode.bytes_per_row;
2105	>	int bytes_per_pixel = VideoMonitor.mode.bytes_per_row / VideoMonitor.mode.x;
2106	>	int rx = VideoMonitor.mode.bytes_per_row / 16;
2107	>	int ry = VideoMonitor.mode.y / 16;
2108	>	int max_box;
2109	>
2110	>	y2s = sm_uptd[ticker % 8];
2111	>	y2a = 8;
2112	>	for (i = 0; i < 6; i++)
2113	>	if (ticker % (2 << i))
2114	>	break;
2115	>	max_box = sm_no_boxes[i];
2116	>
2117	>	if (y2a) {
2118	>	for (y1=0; y1<16; y1++) {
2119	>	for (y2=y2s; y2 < ry; y2 += y2a) {
2120	>	i = ((y1 * ry) + y2) * bytes_per_row;
2121	>	for (x1=0; x1<16; x1++, i += rx) {
2122	>	if (updt_box[x1][y1] == false) {
2123	>	if (memcmp(&the_buffer_copy[i], &the_buffer[i], rx)) {
2124	>	updt_box[x1][y1] = true;
2125	>	nr_boxes++;
2126	>	}
2127	>	}
2128	>	}
2129	>	}
2130	>	}
2131	>	}
2132	>
2133	>	if ((nr_boxes <= max_box) && (nr_boxes)) {
2134	>	for (y1=0; y1<16; y1++) {
2135	>	for (x1=0; x1<16; x1++) {
2136	>	if (updt_box[x1][y1] == true) {
2137	>	if (rxm == 0)
2138	>	xm = x1;
2139	>	rxm += rx;
2140	>	updt_box[x1][y1] = false;
2141	>	}
2142	>	if (((updt_box[x1+1][y1] == false) || (x1 == 15)) && (rxm)) {
2143	>	if ((rxmo != rxm) || (xmo != xm) || (yo != y1 - 1)) {
2144	>	if (rxmo) {
2145	>	xi = xmo * rx;
2146	>	yi = ymo * ry;
2147	>	xil = rxmo;
2148	>	yil = (yo - ymo +1) * ry;
2149	>	}
2150	>	rxmo = rxm;
2151	>	xmo = xm;
2152	>	ymo = y1;
2153	>	}
2154	>	rxm = 0;
2155	>	yo = y1;
2156	>	}
2157	>	if (xil) {
2158	>	i = (yi * bytes_per_row) + xi;
2159	>	for (y2=0; y2 < yil; y2++, i += bytes_per_row)
2160	>	memcpy(&the_buffer_copy[i], &the_buffer[i], xil);
2161	>	if (VideoMonitor.mode.depth == VDEPTH_1BIT) {
2162	>	if (drv->have_shm)
2163	>	XShmPutImage(x_display, drv->w, drv->gc, drv->img, xi * 8, yi, xi * 8, yi, xil * 8, yil, 0);
2164	>	else
2165	>	XPutImage(x_display, drv->w, drv->gc, drv->img, xi * 8, yi, xi * 8, yi, xil * 8, yil);
2166	>	} else {
2167	>	if (drv->have_shm)
2168	>	XShmPutImage(x_display, drv->w, drv->gc, drv->img, xi / bytes_per_pixel, yi, xi / bytes_per_pixel, yi, xil / bytes_per_pixel, yil, 0);
2169	>	else
2170	>	XPutImage(x_display, drv->w, drv->gc, drv->img, xi / bytes_per_pixel, yi, xi / bytes_per_pixel, yi, xil / bytes_per_pixel, yil);
2171	>	}
2172	>	xil = 0;
2173	>	}
2174	>	if ((x1 == 15) && (y1 == 15) && (rxmo)) {
2175	>	x1--;
2176	>	xi = xmo * rx;
2177	>	yi = ymo * ry;
2178	>	xil = rxmo;
2179	>	yil = (yo - ymo +1) * ry;
2180	>	rxmo = 0;
2181	>	}
2182	>	}
2183	>	}
2184	>	nr_boxes = 0;
2185	>	}
2186	>	}
2187
2188	+	// Static display update (fixed frame rate, but incremental)
2189	+	static void update_display_static(driver_window *drv)
2190	+	{
2191		// Incremental update code
2192		int wide = 0, high = 0, x1, x2, y1, y2, i, j;
2193	<	int bytes_per_row = VideoMonitor.bytes_per_row;
2194	<	int bytes_per_pixel = VideoMonitor.bytes_per_row / VideoMonitor.x;
2193	>	int bytes_per_row = VideoMonitor.mode.bytes_per_row;
2194	>	int bytes_per_pixel = VideoMonitor.mode.bytes_per_row / VideoMonitor.mode.x;
2195		uint8 *p, *p2;
2196
2197		// Check for first line from top and first line from bottom that have changed
2198		y1 = 0;
2199	<	for (j=0; j<VideoMonitor.y; j++) {
2199	>	for (j=0; j<VideoMonitor.mode.y; j++) {
2200		if (memcmp(&the_buffer[j * bytes_per_row], &the_buffer_copy[j * bytes_per_row], bytes_per_row)) {
2201		y1 = j;
2202		break;
2203		}
2204		}
2205		y2 = y1 - 1;
2206	<	for (j=VideoMonitor.y-1; j>=y1; j--) {
2206	>	for (j=VideoMonitor.mode.y-1; j>=y1; j--) {
2207		if (memcmp(&the_buffer[j * bytes_per_row], &the_buffer_copy[j * bytes_per_row], bytes_per_row)) {
2208		y2 = j;
2209		break;
#	Line 1056 | Line 2213 | static void update_display(void)
2213
2214		// Check for first column from left and first column from right that have changed
2215		if (high) {
2216	<	if (depth == 1) {
2217	<	x1 = VideoMonitor.x;
2216	>	if (VideoMonitor.mode.depth == VDEPTH_1BIT) {
2217	>	x1 = VideoMonitor.mode.x - 1;
2218		for (j=y1; j<=y2; j++) {
2219		p = &the_buffer[j * bytes_per_row];
2220		p2 = &the_buffer_copy[j * bytes_per_row];
#	Line 1066 | Line 2223 | static void update_display(void)
2223		x1 = i << 3;
2224		break;
2225		}
2226	<	p++;
1070	<	p2++;
2226	>	p++; p2++;
2227		}
2228		}
2229		x2 = x1;
#	Line 1076 | Line 2232 | static void update_display(void)
2232		p2 = &the_buffer_copy[j * bytes_per_row];
2233		p += bytes_per_row;
2234		p2 += bytes_per_row;
2235	<	for (i=(VideoMonitor.x>>3); i>(x2>>3); i--) {
2236	<	p--;
1081	<	p2--;
2235	>	for (i=(VideoMonitor.mode.x>>3); i>(x2>>3); i--) {
2236	>	p--; p2--;
2237		if (*p != *p2) {
2238	<	x2 = i << 3;
2238	>	x2 = (i << 3) + 7;
2239		break;
2240		}
2241		}
2242		}
2243	<	wide = x2 - x1;
2243	>	wide = x2 - x1 + 1;
2244
2245		// Update copy of the_buffer
2246		if (high && wide) {
2247		for (j=y1; j<=y2; j++) {
2248		i = j * bytes_per_row + (x1 >> 3);
2249	<	memcpy(&the_buffer_copy[i], &the_buffer[i], wide >> 3);
2249	>	memcpy(the_buffer_copy + i, the_buffer + i, wide >> 3);
2250		}
2251		}
2252
2253		} else {
2254	<	x1 = VideoMonitor.x;
2254	>	x1 = VideoMonitor.mode.x;
2255		for (j=y1; j<=y2; j++) {
2256		p = &the_buffer[j * bytes_per_row];
2257		p2 = &the_buffer_copy[j * bytes_per_row];
2258	<	for (i=0; i<x1; i++) {
2259	<	if (memcmp(p, p2, bytes_per_pixel)) {
2260	<	x1 = i;
2258	>	for (i=0; i<x1*bytes_per_pixel; i++) {
2259	>	if (*p != *p2) {
2260	>	x1 = i / bytes_per_pixel;
2261		break;
2262		}
2263	<	p += bytes_per_pixel;
1109	<	p2 += bytes_per_pixel;
2263	>	p++; p2++;
2264		}
2265		}
2266		x2 = x1;
#	Line 1115 | Line 2269 | static void update_display(void)
2269		p2 = &the_buffer_copy[j * bytes_per_row];
2270		p += bytes_per_row;
2271		p2 += bytes_per_row;
2272	<	for (i=VideoMonitor.x; i>x2; i--) {
2273	<	p -= bytes_per_pixel;
2274	<	p2 -= bytes_per_pixel;
2275	<	if (memcmp(p, p2, bytes_per_pixel)) {
2276	<	x2 = i;
2272	>	for (i=VideoMonitor.mode.x*bytes_per_pixel; i>x2*bytes_per_pixel; i--) {
2273	>	p--;
2274	>	p2--;
2275	>	if (*p != *p2) {
2276	>	x2 = i / bytes_per_pixel;
2277		break;
2278		}
2279		}
#	Line 1130 | Line 2284 | static void update_display(void)
2284		if (high && wide) {
2285		for (j=y1; j<=y2; j++) {
2286		i = j * bytes_per_row + x1 * bytes_per_pixel;
2287	<	memcpy(&the_buffer_copy[i], &the_buffer[i], bytes_per_pixel * wide);
2287	>	memcpy(the_buffer_copy + i, the_buffer + i, bytes_per_pixel * wide);
2288		}
2289		}
2290		}
#	Line 1138 | Line 2292 | static void update_display(void)
2292
2293		// Refresh display
2294		if (high && wide) {
2295	<	if (have_shm)
2296	<	XShmPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high, 0);
2295	>	if (drv->have_shm)
2296	>	XShmPutImage(x_display, drv->w, drv->gc, drv->img, x1, y1, x1, y1, wide, high, 0);
2297		else
2298	<	XPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high);
2298	>	XPutImage(x_display, drv->w, drv->gc, drv->img, x1, y1, x1, y1, wide, high);
2299	>	}
2300	>	}
2301	>
2302	>
2303	>	/*
2304	>	*      Screen refresh functions
2305	>	*/
2306	>
2307	>	// We suggest the compiler to inline the next two functions so that it
2308	>	// may specialise the code according to the current screen depth and
2309	>	// display type. A clever compiler would do that job by itself though...
2310	>
2311	>	// NOTE: update_display_vosf is inlined too
2312	>
2313	>	static inline void possibly_quit_dga_mode()
2314	>	{
2315	>	// Quit DGA mode if requested (something terrible has happened and we
2316	>	// want to give control back to the user)
2317	>	if (quit_full_screen) {
2318	>	quit_full_screen = false;
2319	>	delete drv;
2320	>	drv = NULL;
2321	>	}
2322	>	}
2323	>
2324	>	static inline void possibly_ungrab_mouse()
2325	>	{
2326	>	// Ungrab mouse if requested (something terrible has happened and we
2327	>	// want to give control back to the user)
2328	>	if (quit_full_screen) {
2329	>	quit_full_screen = false;
2330	>	if (drv)
2331	>	drv->ungrab_mouse();
2332		}
2333	+	}
2334	+
2335	+	static inline void handle_palette_changes(void)
2336	+	{
2337	+	LOCK_PALETTE;
2338	+
2339	+	if (palette_changed) {
2340	+	palette_changed = false;
2341	+	drv->update_palette();
2342	+	}
2343	+
2344	+	UNLOCK_PALETTE;
2345	+	}
2346	+
2347	+	static void video_refresh_dga(void)
2348	+	{
2349	+	// Quit DGA mode if requested
2350	+	possibly_quit_dga_mode();
2351	+	}
2352
2353	<	// Has the Mac started? (cursor data is not valid otherwise)
2354	<	if (HasMacStarted()) {
2353	>	#ifdef ENABLE_VOSF
2354	>	#if REAL_ADDRESSING || DIRECT_ADDRESSING
2355	>	static void video_refresh_dga_vosf(void)
2356	>	{
2357	>	// Quit DGA mode if requested
2358	>	possibly_quit_dga_mode();
2359	>
2360	>	// Update display (VOSF variant)
2361	>	static int tick_counter = 0;
2362	>	if (++tick_counter >= frame_skip) {
2363	>	tick_counter = 0;
2364	>	if (mainBuffer.dirty) {
2365	>	LOCK_VOSF;
2366	>	update_display_dga_vosf();
2367	>	UNLOCK_VOSF;
2368	>	}
2369	>	}
2370	>	}
2371	>	#endif
2372
2373	<	// Set new cursor image if it was changed
2374	<	if (memcmp(the_cursor, Mac2HostAddr(0x844), 64)) {
2375	<	memcpy(the_cursor, Mac2HostAddr(0x844), 64);
2376	<	memcpy(cursor_image->data, the_cursor, 32);
2377	<	memcpy(cursor_mask_image->data, the_cursor+32, 32);
2378	<	XFreeCursor(x_display, mac_cursor);
2379	<	XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16);
2380	<	XPutImage(x_display, cursor_mask_map, cursor_mask_gc, cursor_mask_image, 0, 0, 0, 0, 16, 16);
2381	<	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, ReadMacInt8(0x885), ReadMacInt8(0x887));
2382	<	XDefineCursor(x_display, the_win, mac_cursor);
2373	>	static void video_refresh_window_vosf(void)
2374	>	{
2375	>	// Ungrab mouse if requested
2376	>	possibly_ungrab_mouse();
2377	>
2378	>	// Update display (VOSF variant)
2379	>	static int tick_counter = 0;
2380	>	if (++tick_counter >= frame_skip) {
2381	>	tick_counter = 0;
2382	>	if (mainBuffer.dirty) {
2383	>	LOCK_VOSF;
2384	>	update_display_window_vosf(static_cast<driver_window *>(drv));
2385	>	UNLOCK_VOSF;
2386	>	XSync(x_display, false); // Let the server catch up
2387		}
2388		}
2389		}
2390	+	#endif // def ENABLE_VOSF
2391	+
2392	+	static void video_refresh_window_static(void)
2393	+	{
2394	+	// Ungrab mouse if requested
2395	+	possibly_ungrab_mouse();
2396	+
2397	+	// Update display (static variant)
2398	+	static int tick_counter = 0;
2399	+	if (++tick_counter >= frame_skip) {
2400	+	tick_counter = 0;
2401	+	update_display_static(static_cast<driver_window *>(drv));
2402	+	}
2403	+	}
2404	+
2405	+	static void video_refresh_window_dynamic(void)
2406	+	{
2407	+	// Ungrab mouse if requested
2408	+	possibly_ungrab_mouse();
2409	+
2410	+	// Update display (dynamic variant)
2411	+	static int tick_counter = 0;
2412	+	tick_counter++;
2413	+	update_display_dynamic(tick_counter, static_cast<driver_window *>(drv));
2414	+	}
2415
2416
2417		/*
2418		*  Thread for screen refresh, input handling etc.
2419		*/
2420
2421	+	static void VideoRefreshInit(void)
2422	+	{
2423	+	// TODO: set up specialised 8bpp VideoRefresh handlers ?
2424	+	if (display_type == DISPLAY_DGA) {
2425	+	#if ENABLE_VOSF && (REAL_ADDRESSING || DIRECT_ADDRESSING)
2426	+	if (use_vosf)
2427	+	video_refresh = video_refresh_dga_vosf;
2428	+	else
2429	+	#endif
2430	+	video_refresh = video_refresh_dga;
2431	+	}
2432	+	else {
2433	+	#ifdef ENABLE_VOSF
2434	+	if (use_vosf)
2435	+	video_refresh = video_refresh_window_vosf;
2436	+	else
2437	+	#endif
2438	+	if (frame_skip == 0)
2439	+	video_refresh = video_refresh_window_dynamic;
2440	+	else
2441	+	video_refresh = video_refresh_window_static;
2442	+	}
2443	+	}
2444	+
2445	+	// This function is called on non-threaded platforms from a timer interrupt
2446	+	void VideoRefresh(void)
2447	+	{
2448	+	// We need to check redraw_thread_active to inhibit refreshed during
2449	+	// mode changes on non-threaded platforms
2450	+	if (!redraw_thread_active)
2451	+	return;
2452	+
2453	+	// Handle X events
2454	+	handle_events();
2455	+
2456	+	// Handle palette changes
2457	+	handle_palette_changes();
2458	+
2459	+	// Update display
2460	+	video_refresh();
2461	+	}
2462	+
2463	+	const int VIDEO_REFRESH_HZ = 60;
2464	+	const int VIDEO_REFRESH_DELAY = 1000000 / VIDEO_REFRESH_HZ;
2465	+
2466	+	#ifdef HAVE_PTHREADS
2467		static void *redraw_func(void *arg)
2468		{
2469	<	int tick_counter = 0;
2469	>	int fd = ConnectionNumber(x_display);
2470	>
2471	>	uint64 start = GetTicks_usec();
2472	>	int64 ticks = 0;
2473	>	uint64 next = GetTicks_usec() + VIDEO_REFRESH_DELAY;
2474
2475		while (!redraw_thread_cancel) {
2476
2477	<	// Wait
2478	<	#ifdef HAVE_NANOSLEEP
1177	<	struct timespec req = {0, 16666667};
1178	<	nanosleep(&req, NULL);
1179	<	#else
1180	<	usleep(16667);
1181	<	#endif
2477	>	int64 delay = next - GetTicks_usec();
2478	>	if (delay < -VIDEO_REFRESH_DELAY) {
2479
2480	<	#if ENABLE_DGA
2481	<	// Quit DGA mode if requested
1185	<	if (quit_full_screen) {
1186	<	quit_full_screen = false;
1187	<	if (display_type == DISPLAY_DGA) {
1188	<	XF86DGADirectVideo(x_display, screen, 0);
1189	<	XUngrabPointer(x_display, CurrentTime);
1190	<	XUngrabKeyboard(x_display, CurrentTime);
1191	<	XUnmapWindow(x_display, the_win);
1192	<	XSync(x_display, false);
1193	<	}
1194	<	}
1195	<	#endif
2480	>	// We are lagging far behind, so we reset the delay mechanism
2481	>	next = GetTicks_usec();
2482
2483	<	// Handle X events
1198	<	handle_events();
2483	>	} else if (delay <= 0) {
2484
2485	<	// Handle palette changes
2486	<	pthread_mutex_lock(&palette_lock);
2487	<	if (palette_changed) {
2488	<	palette_changed = false;
2489	<	if (depth == 8) {
2490	<	XStoreColors(x_display, cmap[0], palette, 256);
1206	<	XStoreColors(x_display, cmap[1], palette, 256);
1207	<	#if ENABLE_DGA
1208	<	if (display_type == DISPLAY_DGA) {
1209	<	current_dga_cmap ^= 1;
1210	<	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
1211	<	}
1212	<	#endif
1213	<	}
1214	<	}
1215	<	pthread_mutex_unlock(&palette_lock);
2485	>	// Delay expired, refresh display
2486	>	handle_events();
2487	>	handle_palette_changes();
2488	>	video_refresh();
2489	>	next += VIDEO_REFRESH_DELAY;
2490	>	ticks++;
2491
2492	<	// In window mode, update display and mouse pointer
2493	<	if (display_type == DISPLAY_WINDOW) {
2494	<	tick_counter++;
2495	<	if (tick_counter >= frame_skip) {
2496	<	tick_counter = 0;
2497	<	update_display();
2498	<	}
2492	>	} else {
2493	>
2494	>	// No display refresh pending, check for X events
2495	>	fd_set readfds;
2496	>	FD_ZERO(&readfds);
2497	>	FD_SET(fd, &readfds);
2498	>	struct timeval timeout;
2499	>	timeout.tv_sec = 0;
2500	>	timeout.tv_usec = delay;
2501	>	if (select(fd+1, &readfds, NULL, NULL, &timeout) > 0)
2502	>	handle_events();
2503		}
2504		}
2505	+
2506	+	uint64 end = GetTicks_usec();
2507	+	D(bug("%Ld refreshes in %Ld usec = %f refreshes/sec\n", ticks, end - start, ticks * 1000000.0 / (end - start)));
2508		return NULL;
2509		}
2510	+	#endif

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