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

Comparing SheepShaver/src/Unix/video_x.cpp (file contents):
Revision 1.6 by gbeauche, 2003-11-21T17:01:33Z vs.
Revision 1.11 by cebix, 2004-01-12T15:37:22Z

#	Line 1 | Line 1
1		/*
2		*  video_x.cpp - Video/graphics emulation, X11 specific stuff
3		*
4	<	*  SheepShaver (C) 1997-2002 Marc Hellwig and Christian Bauer
4	>	*  SheepShaver (C) 1997-2004 Marc Hellwig and 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 27 | Line 27
27		#include <sys/ipc.h>
28		#include <sys/shm.h>
29		#include <errno.h>
30	<
31	<	#ifdef HAVE_PTHREADS
32	<	# include <pthread.h>
33	<	#endif
30	>	#include <pthread.h>
31
32		#ifdef ENABLE_XF86_DGA
33		#include <X11/extensions/xf86dga.h>
#	Line 57 | Line 54 | const char KEYCODE_FILE_NAME[] = DATADIR
54
55		// Global variables
56		static int32 frame_skip;
57	+	static int16 mouse_wheel_mode;
58	+	static int16 mouse_wheel_lines;
59		static bool redraw_thread_active = false;       // Flag: Redraw thread installed
60		static pthread_t redraw_thread;                         // Redraw thread
61
#	Line 136 | Line 135 | extern Display *x_display;
135		// From sys_unix.cpp
136		extern void SysMountFirstFloppy(void);
137
138	+	// From clip_unix.cpp
139	+	extern void ClipboardSelectionClear(XSelectionClearEvent *);
140	+	extern void ClipboardSelectionRequest(XSelectionRequestEvent *);
141	+
142
143		// Video acceleration through SIGSEGV
144		#ifdef ENABLE_VOSF
#	Line 169 | Line 172 | static bool open_window(int width, int h
172		// Set absolute mouse mode
173		ADBSetRelMouseMode(false);
174
172	–	// Read frame skip prefs
173	–	frame_skip = PrefsFindInt32("frameskip");
174	–	if (frame_skip == 0)
175	–	frame_skip = 1;
176	–
175		// Create window
176		XSetWindowAttributes wattr;
177		wattr.event_mask = eventmask = win_eventmask;
#	Line 685 | Line 683 | bool VideoInit(void)
683		// Init keycode translation
684		keycode_init();
685
686	+	// Read frame skip prefs
687	+	frame_skip = PrefsFindInt32("frameskip");
688	+	if (frame_skip == 0)
689	+	frame_skip = 1;
690	+
691	+	// Read mouse wheel prefs
692	+	mouse_wheel_mode = PrefsFindInt32("mousewheelmode");
693	+	mouse_wheel_lines = PrefsFindInt32("mousewheellines");
694	+
695		// Init variables
696		private_data = NULL;
697		cur_mode = 0;   // Window 640x480
#	Line 1178 | Line 1185 | static void handle_events(void)
1185		for (;;) {
1186		XEvent event;
1187
1188	<	if (!XCheckMaskEvent(x_display, eventmask, &event))
1188	>	XDisplayLock();
1189	>	if (!XCheckMaskEvent(x_display, eventmask, &event)) {
1190	>	// Handle clipboard events
1191	>	if (XCheckTypedEvent(x_display, SelectionRequest, &event))
1192	>	ClipboardSelectionRequest(&event.xselectionrequest);
1193	>	else if (XCheckTypedEvent(x_display, SelectionClear, &event))
1194	>	ClipboardSelectionClear(&event.xselectionclear);
1195	>
1196	>	XDisplayUnlock();
1197		break;
1198	+	}
1199	+	XDisplayUnlock();
1200
1201		switch (event.type) {
1202		// Mouse button
#	Line 1187 | Line 1204 | static void handle_events(void)
1204		unsigned int button = ((XButtonEvent *)&event)->button;
1205		if (button < 4)
1206		ADBMouseDown(button - 1);
1207	+	else if (button < 6) {  // Wheel mouse
1208	+	if (mouse_wheel_mode == 0) {
1209	+	int key = (button == 5) ? 0x79 : 0x74;  // Page up/down
1210	+	ADBKeyDown(key);
1211	+	ADBKeyUp(key);
1212	+	} else {
1213	+	int key = (button == 5) ? 0x3d : 0x3e;  // Cursor up/down
1214	+	for(int i=0; i<mouse_wheel_lines; i++) {
1215	+	ADBKeyDown(key);
1216	+	ADBKeyUp(key);
1217	+	}
1218	+	}
1219	+	}
1220		break;
1221		}
1222		case ButtonRelease: {
#	Line 1593 | Line 1623 | static void update_display(void)
1623
1624		// Refresh display
1625		if (high && wide) {
1626	+	XDisplayLock();
1627		if (have_shm)
1628		XShmPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high, 0);
1629		else
1630		XPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high);
1631	+	XDisplayUnlock();
1632		}
1633		}
1634
1635	+	const int VIDEO_REFRESH_HZ = 60;
1636	+	const int VIDEO_REFRESH_DELAY = 1000000 / VIDEO_REFRESH_HZ;
1637	+
1638		static void *redraw_func(void *arg)
1639		{
1640	<	int tick_counter = 0;
1606	<	struct timespec req = {0, 16666667};
1640	>	int fd = ConnectionNumber(x_display);
1641
1642	<	for (;;) {
1642	>	uint64 start = GetTicks_usec();
1643	>	int64 ticks = 0;
1644	>	uint64 next = GetTicks_usec() + VIDEO_REFRESH_DELAY;
1645
1646	<	// Wait
1611	<	nanosleep(&req, NULL);
1646	>	for (;;) {
1647
1648		// Pause if requested (during video mode switches)
1649		while (thread_stop_req)
1650		thread_stop_ack = true;
1651
1652	<	// Handle X11 events
1653	<	handle_events();
1652	>	int64 delay = next - GetTicks_usec();
1653	>	if (delay < -VIDEO_REFRESH_DELAY) {
1654	>
1655	>	// We are lagging far behind, so we reset the delay mechanism
1656	>	next = GetTicks_usec();
1657	>
1658	>	} else if (delay <= 0) {
1659
1660	<	// Quit DGA mode if requested
1661	<	if (quit_full_screen) {
1662	<	quit_full_screen = false;
1663	<	if (display_type == DIS_SCREEN) {
1660	>	// Delay expired, refresh display
1661	>	next += VIDEO_REFRESH_DELAY;
1662	>	ticks++;
1663	>
1664	>	// Handle X11 events
1665	>	handle_events();
1666	>
1667	>	// Quit DGA mode if requested
1668	>	if (quit_full_screen) {
1669	>	quit_full_screen = false;
1670	>	if (display_type == DIS_SCREEN) {
1671	>	XDisplayLock();
1672		#ifdef ENABLE_XF86_DGA
1673	<	XF86DGADirectVideo(x_display, screen, 0);
1674	<	XUngrabPointer(x_display, CurrentTime);
1675	<	XUngrabKeyboard(x_display, CurrentTime);
1676	<	#endif
1677	<	XSync(x_display, false);
1678	<	quit_full_screen_ack = true;
1679	<	return NULL;
1673	>	XF86DGADirectVideo(x_display, screen, 0);
1674	>	XUngrabPointer(x_display, CurrentTime);
1675	>	XUngrabKeyboard(x_display, CurrentTime);
1676	>	#endif
1677	>	XSync(x_display, false);
1678	>	XDisplayUnlock();
1679	>	quit_full_screen_ack = true;
1680	>	return NULL;
1681	>	}
1682		}
1633	–	}
1683
1684	<	// Refresh display and set cursor image in window mode
1685	<	if (display_type == DIS_WINDOW) {
1686	<	tick_counter++;
1687	<	if (tick_counter >= frame_skip) {
1688	<	tick_counter = 0;
1684	>	// Refresh display and set cursor image in window mode
1685	>	static int tick_counter = 0;
1686	>	if (display_type == DIS_WINDOW) {
1687	>	tick_counter++;
1688	>	if (tick_counter >= frame_skip) {
1689	>	tick_counter = 0;
1690
1691	<	// Update display
1691	>	// Update display
1692		#ifdef ENABLE_VOSF
1693	<	if (use_vosf) {
1694	<	if (mainBuffer.dirty) {
1695	<	LOCK_VOSF;
1696	<	update_display_window_vosf();
1697	<	UNLOCK_VOSF;
1698	<	XSync(x_display, false); // Let the server catch up
1693	>	if (use_vosf) {
1694	>	XDisplayLock();
1695	>	if (mainBuffer.dirty) {
1696	>	LOCK_VOSF;
1697	>	update_display_window_vosf();
1698	>	UNLOCK_VOSF;
1699	>	XSync(x_display, false); // Let the server catch up
1700	>	}
1701	>	XDisplayUnlock();
1702		}
1703	<	}
1651	<	else
1703	>	else
1704		#endif
1705	<	update_display();
1705	>	update_display();
1706
1707	<	// Set new cursor image if it was changed
1708	<	if (cursor_changed) {
1709	<	cursor_changed = false;
1710	<	memcpy(cursor_image->data, MacCursor + 4, 32);
1711	<	memcpy(cursor_mask_image->data, MacCursor + 36, 32);
1712	<	XFreeCursor(x_display, mac_cursor);
1713	<	XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16);
1714	<	XPutImage(x_display, cursor_mask_map, cursor_mask_gc, cursor_mask_image, 0, 0, 0, 0, 16, 16);
1715	<	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, MacCursor[2], MacCursor[3]);
1716	<	XDefineCursor(x_display, the_win, mac_cursor);
1707	>	// Set new cursor image if it was changed
1708	>	if (cursor_changed) {
1709	>	cursor_changed = false;
1710	>	memcpy(cursor_image->data, MacCursor + 4, 32);
1711	>	memcpy(cursor_mask_image->data, MacCursor + 36, 32);
1712	>	XDisplayLock();
1713	>	XFreeCursor(x_display, mac_cursor);
1714	>	XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16);
1715	>	XPutImage(x_display, cursor_mask_map, cursor_mask_gc, cursor_mask_image, 0, 0, 0, 0, 16, 16);
1716	>	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, MacCursor[2], MacCursor[3]);
1717	>	XDefineCursor(x_display, the_win, mac_cursor);
1718	>	XDisplayUnlock();
1719	>	}
1720		}
1721		}
1667	–	}
1722		#ifdef ENABLE_VOSF
1723	<	else if (use_vosf) {
1724	<	// Update display (VOSF variant)
1725	<	static int tick_counter = 0;
1726	<	if (++tick_counter >= frame_skip) {
1727	<	tick_counter = 0;
1728	<	if (mainBuffer.dirty) {
1729	<	LOCK_VOSF;
1730	<	update_display_dga_vosf();
1731	<	UNLOCK_VOSF;
1723	>	else if (use_vosf) {
1724	>	// Update display (VOSF variant)
1725	>	if (++tick_counter >= frame_skip) {
1726	>	tick_counter = 0;
1727	>	if (mainBuffer.dirty) {
1728	>	LOCK_VOSF;
1729	>	update_display_dga_vosf();
1730	>	UNLOCK_VOSF;
1731	>	}
1732		}
1733		}
1680	–	}
1734		#endif
1735
1736	<	// Set new palette if it was changed
1737	<	if (palette_changed && !emul_suspended) {
1738	<	palette_changed = false;
1739	<	XColor c[256];
1740	<	for (int i=0; i<256; i++) {
1741	<	c[i].pixel = i;
1742	<	c[i].red = mac_pal[i].red * 0x0101;
1743	<	c[i].green = mac_pal[i].green * 0x0101;
1744	<	c[i].blue = mac_pal[i].blue * 0x0101;
1745	<	c[i].flags = DoRed | DoGreen | DoBlue;
1693	<	}
1694	<	if (depth == 8) {
1695	<	XStoreColors(x_display, cmap[0], c, 256);
1696	<	XStoreColors(x_display, cmap[1], c, 256);
1697	<	#ifdef ENABLE_XF86_DGA
1698	<	if (display_type == DIS_SCREEN) {
1699	<	current_dga_cmap ^= 1;
1700	<	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
1736	>	// Set new palette if it was changed
1737	>	if (palette_changed && !emul_suspended) {
1738	>	palette_changed = false;
1739	>	XColor c[256];
1740	>	for (int i=0; i<256; i++) {
1741	>	c[i].pixel = i;
1742	>	c[i].red = mac_pal[i].red * 0x0101;
1743	>	c[i].green = mac_pal[i].green * 0x0101;
1744	>	c[i].blue = mac_pal[i].blue * 0x0101;
1745	>	c[i].flags = DoRed | DoGreen | DoBlue;
1746		}
1747	+	if (depth == 8) {
1748	+	XDisplayLock();
1749	+	XStoreColors(x_display, cmap[0], c, 256);
1750	+	XStoreColors(x_display, cmap[1], c, 256);
1751	+	#ifdef ENABLE_XF86_DGA
1752	+	if (display_type == DIS_SCREEN) {
1753	+	current_dga_cmap ^= 1;
1754	+	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
1755	+	}
1756		#endif
1757	+	XDisplayUnlock();
1758	+	}
1759		}
1760	+
1761	+	} else {
1762	+
1763	+	// No display refresh pending, check for X events
1764	+	fd_set readfds;
1765	+	FD_ZERO(&readfds);
1766	+	FD_SET(fd, &readfds);
1767	+	struct timeval timeout;
1768	+	timeout.tv_sec = 0;
1769	+	timeout.tv_usec = delay;
1770	+	if (select(fd+1, &readfds, NULL, NULL, &timeout) > 0)
1771	+	handle_events();
1772		}
1773		}
1774		return NULL;

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