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

Comparing SheepShaver/src/Unix/video_x.cpp (file contents):
Revision 1.2 by gbeauche, 2002-04-21T11:47:18Z vs.
Revision 1.15 by gbeauche, 2004-04-13T22:22:21Z

#	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 18 | Line 18
18		*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19		*/
20
21	+	#include "sysdeps.h"
22	+
23		#include <X11/Xlib.h>
24		#include <X11/Xutil.h>
25		#include <X11/keysym.h>
26		#include <X11/extensions/XShm.h>
27		#include <sys/ipc.h>
28		#include <sys/shm.h>
29	+	#include <errno.h>
30		#include <pthread.h>
31
32	<	#include "sysdeps.h"
32	>	#include <algorithm>
33	>
34	>	#ifdef ENABLE_XF86_DGA
35	>	# include <X11/extensions/xf86dga.h>
36	>	#endif
37	>
38	>	#ifdef ENABLE_XF86_VIDMODE
39	>	# include <X11/extensions/xf86vmode.h>
40	>	#endif
41	>
42		#include "main.h"
43		#include "adb.h"
44		#include "prefs.h"
#	Line 38 | Line 50
50		#define DEBUG 0
51		#include "debug.h"
52
53	<	#ifdef ENABLE_XF86_DGA
54	<	#include <X11/extensions/xf86dga.h>
53	>	#ifndef NO_STD_NAMESPACE
54	>	using std::sort;
55		#endif
56
45	–	#ifdef ENABLE_XF86_VIDMODE
46	–	#include <X11/extensions/xf86vmode.h>
47	–	#endif
57
58	+	// Constants
59	+	const char KEYCODE_FILE_NAME[] = DATADIR "/keycodes";
60
61		// Global variables
62		static int32 frame_skip;
63	+	static int16 mouse_wheel_mode;
64	+	static int16 mouse_wheel_lines;
65		static bool redraw_thread_active = false;       // Flag: Redraw thread installed
66	+	static pthread_attr_t redraw_thread_attr;       // Redraw thread attributes
67		static pthread_t redraw_thread;                         // Redraw thread
68
69	+	static bool local_X11;                                          // Flag: X server running on local machine?
70		static volatile bool thread_stop_req = false;
71		static volatile bool thread_stop_ack = false;   // Acknowledge for thread_stop_req
72
73		static bool has_dga = false;                            // Flag: Video DGA capable
74		static bool has_vidmode = false;                        // Flag: VidMode extension available
75
76	+	#ifdef ENABLE_VOSF
77	+	static bool use_vosf = true;                            // Flag: VOSF enabled
78	+	#else
79	+	static const bool use_vosf = false;                     // VOSF not possible
80	+	#endif
81	+
82		static bool palette_changed = false;            // Flag: Palette changed, redraw thread must update palette
83		static bool ctrl_down = false;                          // Flag: Ctrl key pressed
84		static bool quit_full_screen = false;           // Flag: DGA close requested from redraw thread
#	Line 67 | Line 88 | static bool emerg_quit = false;                                // Fl
88		static bool emul_suspended = false;                     // Flag: emulator suspended
89		static Window suspend_win;                                      // "Suspend" window
90		static void *fb_save = NULL;                            // Saved frame buffer for suspend
91	+	static bool use_keycodes = false;                       // Flag: Use keycodes rather than keysyms
92	+	static int keycode_table[256];                          // X keycode -> Mac keycode translation table
93
94		// X11 variables
95		static int screen;                                                      // Screen number
96		static int xdepth;                                                      // Depth of X screen
97		static int depth;                                                       // Depth of Mac frame buffer
98		static Window rootwin, the_win;                         // Root window and our window
99	+	static int num_depths = 0;                                      // Number of available X depths
100	+	static int *avail_depths = NULL;                        // List of available X depths
101		static XVisualInfo visualInfo;
102		static Visual *vis;
103	+	static int color_class;
104	+	static int rshift, rloss, gshift, gloss, bshift, bloss; // Pixel format of DirectColor/TrueColor modes
105		static Colormap cmap[2];                                        // Two colormaps (DGA) for 8-bit mode
106	+	static XColor x_palette[256];                           // Color palette to be used as CLUT and gamma table
107	+
108		static XColor black, white;
109		static unsigned long black_pixel, white_pixel;
110		static int eventmask;
111	<	static const int win_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | ExposureMask;
112	<	static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
111	>	static const int win_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | ExposureMask | StructureNotifyMask;
112	>	static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask;
113
114		// Variables for window mode
115		static GC the_gc;
#	Line 92 | Line 121 | static Cursor mac_cursor;
121		static GC cursor_gc, cursor_mask_gc;
122		static bool cursor_changed = false;                     // Flag: Cursor changed, window_func must update cursor
123		static bool have_shm = false;                           // Flag: SHM present and usable
124	<	static uint8 *the_buffer;                                       // Pointer to Mac frame buffer
124	>	static uint8 *the_buffer = NULL;                        // Pointer to Mac frame buffer
125		static uint8 *the_buffer_copy = NULL;           // Copy of Mac frame buffer
126	+	static uint32 the_buffer_size;                          // Size of allocated the_buffer
127
128		// Variables for DGA mode
99	–	static char *dga_screen_base;
100	–	static int dga_fb_width;
129		static int current_dga_cmap;
130
131		#ifdef ENABLE_XF86_VIDMODE
#	Line 106 | Line 134 | static XF86VidModeModeInfo **x_video_mod
134		static int num_x_video_modes;
135		#endif
136
137	+	// Mutex to protect palette
138	+	#ifdef HAVE_SPINLOCKS
139	+	static spinlock_t x_palette_lock = SPIN_LOCK_UNLOCKED;
140	+	#define LOCK_PALETTE spin_lock(&x_palette_lock)
141	+	#define UNLOCK_PALETTE spin_unlock(&x_palette_lock)
142	+	#elif defined(HAVE_PTHREADS)
143	+	static pthread_mutex_t x_palette_lock = PTHREAD_MUTEX_INITIALIZER;
144	+	#define LOCK_PALETTE pthread_mutex_lock(&x_palette_lock)
145	+	#define UNLOCK_PALETTE pthread_mutex_unlock(&x_palette_lock)
146	+	#else
147	+	#define LOCK_PALETTE
148	+	#define UNLOCK_PALETTE
149	+	#endif
150	+
151
152		// Prototypes
153		static void *redraw_func(void *arg);
154
155
156	<	// From main_linux.cpp
156	>	// From main_unix.cpp
157	>	extern char *x_display_name;
158		extern Display *x_display;
159
160		// From sys_unix.cpp
161		extern void SysMountFirstFloppy(void);
162
163	+	// From clip_unix.cpp
164	+	extern void ClipboardSelectionClear(XSelectionClearEvent *);
165	+	extern void ClipboardSelectionRequest(XSelectionRequestEvent *);
166	+
167	+
168	+	// Video acceleration through SIGSEGV
169	+	#ifdef ENABLE_VOSF
170	+	# include "video_vosf.h"
171	+	#endif
172	+
173	+
174	+	/*
175	+	*  Utility functions
176	+	*/
177	+
178	+	// Get current video mode
179	+	static inline int get_current_mode(void)
180	+	{
181	+	return VModes[cur_mode].viAppleMode;
182	+	}
183	+
184	+	// Find palette size for given color depth
185	+	static int palette_size(int mode)
186	+	{
187	+	switch (mode) {
188	+	case APPLE_1_BIT: return 2;
189	+	case APPLE_2_BIT: return 4;
190	+	case APPLE_4_BIT: return 16;
191	+	case APPLE_8_BIT: return 256;
192	+	case APPLE_16_BIT: return 32;
193	+	case APPLE_32_BIT: return 256;
194	+	default: return 0;
195	+	}
196	+	}
197	+
198	+	// Map video_mode depth ID to numerical depth value
199	+	static inline int depth_of_video_mode(int mode)
200	+	{
201	+	int depth = -1;
202	+	switch (mode) {
203	+	case APPLE_1_BIT:
204	+	depth = 1;
205	+	break;
206	+	case APPLE_2_BIT:
207	+	depth = 2;
208	+	break;
209	+	case APPLE_4_BIT:
210	+	depth = 4;
211	+	break;
212	+	case APPLE_8_BIT:
213	+	depth = 8;
214	+	break;
215	+	case APPLE_16_BIT:
216	+	depth = 16;
217	+	break;
218	+	case APPLE_32_BIT:
219	+	depth = 32;
220	+	break;
221	+	default:
222	+	abort();
223	+	}
224	+	return depth;
225	+	}
226	+
227	+	// Map RGB color to pixel value (this only works in TrueColor/DirectColor visuals)
228	+	static inline uint32 map_rgb(uint8 red, uint8 green, uint8 blue)
229	+	{
230	+	return ((red >> rloss) << rshift) | ((green >> gloss) << gshift) | ((blue >> bloss) << bshift);
231	+	}
232	+
233	+
234	+	// Do we have a visual for handling the specified Mac depth? If so, set the
235	+	// global variables "xdepth", "visualInfo", "vis" and "color_class".
236	+	static bool find_visual_for_depth(int depth)
237	+	{
238	+	D(bug("have_visual_for_depth(%d)\n", depth_of_video_mode(depth)));
239	+
240	+	// 1-bit works always and uses default visual
241	+	if (depth == APPLE_1_BIT) {
242	+	vis = DefaultVisual(x_display, screen);
243	+	visualInfo.visualid = XVisualIDFromVisual(vis);
244	+	int num = 0;
245	+	XVisualInfo *vi = XGetVisualInfo(x_display, VisualIDMask, &visualInfo, &num);
246	+	visualInfo = vi[0];
247	+	XFree(vi);
248	+	xdepth = visualInfo.depth;
249	+	color_class = visualInfo.c_class;
250	+	D(bug(" found visual ID 0x%02x, depth %d\n", visualInfo.visualid, xdepth));
251	+	return true;
252	+	}
253	+
254	+	// Calculate minimum and maximum supported X depth
255	+	int min_depth = 1, max_depth = 32;
256	+	switch (depth) {
257	+	#ifdef ENABLE_VOSF
258	+	case APPLE_2_BIT:
259	+	case APPLE_4_BIT:       // VOSF blitters can convert 2/4/8-bit -> 8/16/32-bit
260	+	case APPLE_8_BIT:
261	+	min_depth = 8;
262	+	max_depth = 32;
263	+	break;
264	+	#else
265	+	case APPLE_2_BIT:
266	+	case APPLE_4_BIT:       // 2/4-bit requires VOSF blitters
267	+	return false;
268	+	case APPLE_8_BIT:       // 8-bit without VOSF requires an 8-bit visual
269	+	min_depth = 8;
270	+	max_depth = 8;
271	+	break;
272	+	#endif
273	+	case APPLE_16_BIT:      // 16-bit requires a 15/16-bit visual
274	+	min_depth = 15;
275	+	max_depth = 16;
276	+	break;
277	+	case APPLE_32_BIT:      // 32-bit requires a 24/32-bit visual
278	+	min_depth = 24;
279	+	max_depth = 32;
280	+	break;
281	+	}
282	+	D(bug(" minimum required X depth is %d, maximum supported X depth is %d\n", min_depth, max_depth));
283	+
284	+	// Try to find a visual for one of the color depths
285	+	bool visual_found = false;
286	+	for (int i=0; i<num_depths && !visual_found; i++) {
287	+
288	+	xdepth = avail_depths[i];
289	+	D(bug(" trying to find visual for depth %d\n", xdepth));
290	+	if (xdepth < min_depth || xdepth > max_depth)
291	+	continue;
292	+
293	+	// Determine best color class for this depth
294	+	switch (xdepth) {
295	+	case 1: // Try StaticGray or StaticColor
296	+	if (XMatchVisualInfo(x_display, screen, xdepth, StaticGray, &visualInfo)
297	+	|| XMatchVisualInfo(x_display, screen, xdepth, StaticColor, &visualInfo))
298	+	visual_found = true;
299	+	break;
300	+	case 8: // Need PseudoColor
301	+	if (XMatchVisualInfo(x_display, screen, xdepth, PseudoColor, &visualInfo))
302	+	visual_found = true;
303	+	break;
304	+	case 15:
305	+	case 16:
306	+	case 24:
307	+	case 32: // Try DirectColor first, as this will allow gamma correction
308	+	if (XMatchVisualInfo(x_display, screen, xdepth, DirectColor, &visualInfo)
309	+	|| XMatchVisualInfo(x_display, screen, xdepth, TrueColor, &visualInfo))
310	+	visual_found = true;
311	+	break;
312	+	default:
313	+	D(bug("  not a supported depth\n"));
314	+	break;
315	+	}
316	+	}
317	+	if (!visual_found)
318	+	return false;
319	+
320	+	// Visual was found
321	+	vis = visualInfo.visual;
322	+	color_class = visualInfo.c_class;
323	+	D(bug(" found visual ID 0x%02x, depth %d, class ", visualInfo.visualid, xdepth));
324	+	#if DEBUG
325	+	switch (color_class) {
326	+	case StaticGray: D(bug("StaticGray\n")); break;
327	+	case GrayScale: D(bug("GrayScale\n")); break;
328	+	case StaticColor: D(bug("StaticColor\n")); break;
329	+	case PseudoColor: D(bug("PseudoColor\n")); break;
330	+	case TrueColor: D(bug("TrueColor\n")); break;
331	+	case DirectColor: D(bug("DirectColor\n")); break;
332	+	}
333	+	#endif
334	+	return true;
335	+	}
336	+
337
338		/*
339		*  Open display (window or fullscreen)
340		*/
341
342	+	// Set WM_DELETE_WINDOW protocol on window (preventing it from being destroyed by the WM when clicking on the "close" widget)
343	+	static Atom WM_DELETE_WINDOW = (Atom)0;
344	+	static void set_window_delete_protocol(Window w)
345	+	{
346	+	WM_DELETE_WINDOW = XInternAtom(x_display, "WM_DELETE_WINDOW", false);
347	+	XSetWMProtocols(x_display, w, &WM_DELETE_WINDOW, 1);
348	+	}
349	+
350	+	// Wait until window is mapped/unmapped
351	+	static void wait_mapped(Window w)
352	+	{
353	+	XEvent e;
354	+	do {
355	+	XMaskEvent(x_display, StructureNotifyMask, &e);
356	+	} while ((e.type != MapNotify) || (e.xmap.event != w));
357	+	}
358	+
359	+	static void wait_unmapped(Window w)
360	+	{
361	+	XEvent e;
362	+	do {
363	+	XMaskEvent(x_display, StructureNotifyMask, &e);
364	+	} while ((e.type != UnmapNotify) || (e.xmap.event != w));
365	+	}
366	+
367		// Trap SHM errors
368		static bool shm_error = false;
369		static int (*old_error_handler)(Display *, XErrorEvent *);
#	Line 138 | Line 380 | static int error_handler(Display *d, XEr
380		// Open window
381		static bool open_window(int width, int height)
382		{
383	+	int aligned_width = (width + 15) & ~15;
384	+	int aligned_height = (height + 15) & ~15;
385	+
386		// Set absolute mouse mode
387		ADBSetRelMouseMode(false);
388
144	–	// Read frame skip prefs
145	–	frame_skip = PrefsFindInt32("frameskip");
146	–	if (frame_skip == 0)
147	–	frame_skip = 1;
148	–
389		// Create window
390		XSetWindowAttributes wattr;
391		wattr.event_mask = eventmask = win_eventmask;
392	<	wattr.background_pixel = black_pixel;
393	<	wattr.border_pixel = black_pixel;
392	>	wattr.background_pixel = (vis == DefaultVisual(x_display, screen) ? black_pixel : 0);
393	>	wattr.border_pixel = 0;
394		wattr.backing_store = NotUseful;
395	<
156	<	XSync(x_display, false);
395	>	wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
396		the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
397	<	InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel | CWBackingStore, &wattr);
398	<	XSync(x_display, false);
397	>	InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel | CWBackingStore | CWColormap, &wattr);
398	>
399	>	// Set window name
400		XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE));
161	–	XMapRaised(x_display, the_win);
162	–	XSync(x_display, false);
401
402	<	// Set colormap
403	<	if (depth == 8) {
166	<	XSetWindowColormap(x_display, the_win, cmap[0]);
167	<	XSetWMColormapWindows(x_display, the_win, &the_win, 1);
168	<	}
402	>	// Set delete protocol property
403	>	set_window_delete_protocol(the_win);
404
405		// Make window unresizable
406		XSizeHints *hints;
#	Line 179 | Line 414 | static bool open_window(int width, int h
414		XFree((char *)hints);
415		}
416
417	+	// Show window
418	+	XMapWindow(x_display, the_win);
419	+	wait_mapped(the_win);
420	+
421	+	// 1-bit mode is big-endian; if the X server is little-endian, we can't
422	+	// use SHM because that doesn't allow changing the image byte order
423	+	bool need_msb_image = (depth == 1 && XImageByteOrder(x_display) == LSBFirst);
424	+
425		// Try to create and attach SHM image
426		have_shm = false;
427	<	if (depth != 1 && XShmQueryExtension(x_display)) {
427	>	if (local_X11 && !need_msb_image && XShmQueryExtension(x_display)) {
428
429		// Create SHM image ("height + 2" for safety)
430	<	img = XShmCreateImage(x_display, vis, depth, depth == 1 ? XYBitmap : ZPixmap, 0, &shminfo, width, height);
431	<	shminfo.shmid = shmget(IPC_PRIVATE, (height + 2) * img->bytes_per_line, IPC_CREAT | 0777);
432	<	screen_base = (uint32)shmat(shminfo.shmid, 0, 0);
433	<	the_buffer = (uint8 *)screen_base;
434	<	shminfo.shmaddr = img->data = (char *)screen_base;
430	>	img = XShmCreateImage(x_display, vis, depth == 1 ? 1 : xdepth, depth == 1 ? XYBitmap : ZPixmap, 0, &shminfo, width, height);
431	>	shminfo.shmid = shmget(IPC_PRIVATE, (aligned_height + 2) * img->bytes_per_line, IPC_CREAT | 0777);
432	>	D(bug(" shm image created\n"));
433	>	the_buffer_copy = (uint8 *)shmat(shminfo.shmid, 0, 0);
434	>	shminfo.shmaddr = img->data = (char *)the_buffer_copy;
435		shminfo.readOnly = False;
436
437		// Try to attach SHM image, catching errors
#	Line 205 | Line 448 | static bool open_window(int width, int h
448		have_shm = true;
449		shmctl(shminfo.shmid, IPC_RMID, 0);
450		}
451	+	D(bug(" shm image attached\n"));
452		}
453
454		// Create normal X image if SHM doesn't work ("height + 2" for safety)
455		if (!have_shm) {
456	<	int bytes_per_row = width;
457	<	switch (depth) {
458	<	case 1:
459	<	bytes_per_row /= 8;
216	<	break;
217	<	case 15:
218	<	case 16:
219	<	bytes_per_row *= 2;
220	<	break;
221	<	case 24:
222	<	case 32:
223	<	bytes_per_row *= 4;
224	<	break;
225	<	}
226	<	screen_base = (uint32)malloc((height + 2) * bytes_per_row);
227	<	the_buffer = (uint8 *)screen_base;
228	<	img = XCreateImage(x_display, vis, depth, depth == 1 ? XYBitmap : ZPixmap, 0, (char *)screen_base, width, height, 32, bytes_per_row);
456	>	int bytes_per_row = depth == 1 ? aligned_width/8 : TrivialBytesPerRow(aligned_width, DepthModeForPixelDepth(xdepth));
457	>	the_buffer_copy = (uint8 *)malloc((aligned_height + 2) * bytes_per_row);
458	>	img = XCreateImage(x_display, vis, depth == 1 ? 1 : xdepth, depth == 1 ? XYBitmap : ZPixmap, 0, (char *)the_buffer_copy, aligned_width, aligned_height, 32, bytes_per_row);
459	>	D(bug(" X image created\n"));
460		}
461
462		// 1-Bit mode is big-endian
463	<	if (depth == 1) {
463	>	if (need_msb_image) {
464		img->byte_order = MSBFirst;
465		img->bitmap_bit_order = MSBFirst;
466		}
467
468	<	// Allocate memory for frame buffer copy
469	<	the_buffer_copy = (uint8 *)malloc((height + 2) * img->bytes_per_line);
468	>	#ifdef ENABLE_VOSF
469	>	use_vosf = true;
470	>	// Allocate memory for frame buffer (SIZE is extended to page-boundary)
471	>	the_host_buffer = the_buffer_copy;
472	>	the_buffer_size = page_extend((aligned_height + 2) * img->bytes_per_line);
473	>	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
474	>	the_buffer_copy = (uint8 *)malloc(the_buffer_size);
475	>	D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
476	>	#else
477	>	// Allocate memory for frame buffer
478	>	the_buffer = (uint8 *)malloc((aligned_height + 2) * img->bytes_per_line);
479	>	D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
480	>	#endif
481	>	screen_base = (uint32)the_buffer;
482
483		// Create GC
484		the_gc = XCreateGC(x_display, the_win, 0, 0);
485	<	XSetForeground(x_display, the_gc, black_pixel);
485	>	XSetState(x_display, the_gc, black_pixel, white_pixel, GXcopy, AllPlanes);
486
487		// Create cursor
488		cursor_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 4, 16, 16, 16, 2);
#	Line 255 | Line 498 | static bool open_window(int width, int h
498		mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, 0, 0);
499		cursor_changed = false;
500
501	+	// Init blitting routines
502	+	bool native_byte_order;
503	+	#ifdef WORDS_BIGENDIAN
504	+	native_byte_order = (XImageByteOrder(x_display) == MSBFirst);
505	+	#else
506	+	native_byte_order = (XImageByteOrder(x_display) == LSBFirst);
507	+	#endif
508	+	#ifdef ENABLE_VOSF
509	+	Screen_blitter_init(&visualInfo, native_byte_order, depth);
510	+	#endif
511	+
512		// Set bytes per row
259	–	VModes[cur_mode].viRowBytes = img->bytes_per_line;
513		XSync(x_display, false);
514		return true;
515		}
#	Line 268 | Line 521 | static bool open_dga(int width, int heig
521		// Set relative mouse mode
522		ADBSetRelMouseMode(true);
523
524	+	// Create window
525	+	XSetWindowAttributes wattr;
526	+	wattr.event_mask = eventmask = dga_eventmask;
527	+	wattr.override_redirect = True;
528	+	wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
529	+	the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
530	+	InputOutput, vis, CWEventMask | CWOverrideRedirect |
531	+	(color_class == DirectColor ? CWColormap : 0), &wattr);
532	+
533	+	// Show window
534	+	XMapRaised(x_display, the_win);
535	+	wait_mapped(the_win);
536	+
537		#ifdef ENABLE_XF86_VIDMODE
538		// Switch to best mode
539		if (has_vidmode) {
#	Line 284 | Line 550 | static bool open_dga(int width, int heig
550		#endif
551
552		// Establish direct screen connection
553	+	XMoveResizeWindow(x_display, the_win, 0, 0, width, height);
554	+	XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0);
555		XGrabKeyboard(x_display, rootwin, True, GrabModeAsync, GrabModeAsync, CurrentTime);
556		XGrabPointer(x_display, rootwin, True, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
557	+
558	+	int v_width, v_bank, v_size;
559	+	XF86DGAGetVideo(x_display, screen, (char **)&the_buffer, &v_width, &v_bank, &v_size);
560		XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
561		XF86DGASetViewPort(x_display, screen, 0, 0);
562		XF86DGASetVidPage(x_display, screen, 0);
292	–	screen_base = (uint32)dga_screen_base;
563
564		// Set colormap
565	<	if (depth == 8)
565	>	if (!IsDirectMode(get_current_mode())) {
566	>	XSetWindowColormap(x_display, the_win, cmap[current_dga_cmap = 0]);
567		XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
568	+	}
569	+	XSync(x_display, false);
570
571	<	// Set bytes per row
572	<	int bytes_per_row = (dga_fb_width + 7) & ~7;
573	<	switch (depth) {
574	<	case 15:
575	<	case 16:
576	<	bytes_per_row *= 2;
577	<	break;
578	<	case 24:
579	<	case 32:
580	<	bytes_per_row *= 4;
581	<	break;
571	>	// Init blitting routines
572	>	int bytes_per_row = TrivialBytesPerRow((v_width + 7) & ~7, DepthModeForPixelDepth(depth));
573	>	#if ENABLE_VOSF
574	>	bool native_byte_order;
575	>	#ifdef WORDS_BIGENDIAN
576	>	native_byte_order = (XImageByteOrder(x_display) == MSBFirst);
577	>	#else
578	>	native_byte_order = (XImageByteOrder(x_display) == LSBFirst);
579	>	#endif
580	>	#if REAL_ADDRESSING || DIRECT_ADDRESSING
581	>	// Screen_blitter_init() returns TRUE if VOSF is mandatory
582	>	// i.e. the framebuffer update function is not Blit_Copy_Raw
583	>	use_vosf = Screen_blitter_init(&visualInfo, native_byte_order, depth);
584	>
585	>	if (use_vosf) {
586	>	// Allocate memory for frame buffer (SIZE is extended to page-boundary)
587	>	the_host_buffer = the_buffer;
588	>	the_buffer_size = page_extend((height + 2) * bytes_per_row);
589	>	the_buffer_copy = (uint8 *)malloc(the_buffer_size);
590	>	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
591	>	D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
592		}
593	+	#else
594	+	use_vosf = false;
595	+	#endif
596	+	#endif
597	+
598	+	// Set frame buffer base
599	+	D(bug("the_buffer = %p, use_vosf = %d\n", the_buffer, use_vosf));
600	+	screen_base = (uint32)the_buffer;
601		VModes[cur_mode].viRowBytes = bytes_per_row;
311	–	XSync(x_display, false);
602		return true;
603		#else
604		ErrorAlert("SheepShaver has been compiled with DGA support disabled.");
#	Line 318 | Line 608 | static bool open_dga(int width, int heig
608
609		static bool open_display(void)
610		{
611	<	display_type = VModes[cur_mode].viType;
612	<	switch (VModes[cur_mode].viAppleMode) {
613	<	case APPLE_1_BIT:
614	<	depth = 1;
615	<	break;
616	<	case APPLE_2_BIT:
617	<	depth = 2;
618	<	break;
619	<	case APPLE_4_BIT:
620	<	depth = 4;
621	<	break;
622	<	case APPLE_8_BIT:
623	<	depth = 8;
624	<	break;
625	<	case APPLE_16_BIT:
626	<	depth = xdepth == 15 ? 15 : 16;
627	<	break;
628	<	case APPLE_32_BIT:
629	<	depth = 32;
630	<	break;
611	>	D(bug("open_display()\n"));
612	>	const VideoInfo &mode = VModes[cur_mode];
613	>
614	>	// Find best available X visual
615	>	if (!find_visual_for_depth(mode.viAppleMode)) {
616	>	ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
617	>	return false;
618	>	}
619	>
620	>	// Create color maps
621	>	if (color_class == PseudoColor || color_class == DirectColor) {
622	>	cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll);
623	>	cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll);
624	>	} else {
625	>	cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocNone);
626	>	cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocNone);
627	>	}
628	>
629	>	// Find pixel format of direct modes
630	>	if (color_class == DirectColor || color_class == TrueColor) {
631	>	rshift = gshift = bshift = 0;
632	>	rloss = gloss = bloss = 8;
633	>	uint32 mask;
634	>	for (mask=vis->red_mask; !(mask&1); mask>>=1)
635	>	++rshift;
636	>	for (; mask&1; mask>>=1)
637	>	--rloss;
638	>	for (mask=vis->green_mask; !(mask&1); mask>>=1)
639	>	++gshift;
640	>	for (; mask&1; mask>>=1)
641	>	--gloss;
642	>	for (mask=vis->blue_mask; !(mask&1); mask>>=1)
643	>	++bshift;
644	>	for (; mask&1; mask>>=1)
645	>	--bloss;
646	>	}
647	>
648	>	// Preset palette pixel values for CLUT or gamma table
649	>	if (color_class == DirectColor) {
650	>	int num = vis->map_entries;
651	>	for (int i=0; i<num; i++) {
652	>	int c = (i * 256) / num;
653	>	x_palette[i].pixel = map_rgb(c, c, c);
654	>	x_palette[i].flags = DoRed | DoGreen | DoBlue;
655	>	}
656	>	} else if (color_class == PseudoColor) {
657	>	for (int i=0; i<256; i++) {
658	>	x_palette[i].pixel = i;
659	>	x_palette[i].flags = DoRed | DoGreen | DoBlue;
660	>	}
661		}
662	+
663	+	// Load gray ramp to color map
664	+	int num = (color_class == DirectColor ? vis->map_entries : 256);
665	+	for (int i=0; i<num; i++) {
666	+	int c = (i * 256) / num;
667	+	x_palette[i].red = c * 0x0101;
668	+	x_palette[i].green = c * 0x0101;
669	+	x_palette[i].blue = c * 0x0101;
670	+	}
671	+	if (color_class == PseudoColor || color_class == DirectColor) {
672	+	XStoreColors(x_display, cmap[0], x_palette, num);
673	+	XStoreColors(x_display, cmap[1], x_palette, num);
674	+	}
675	+
676	+	#ifdef ENABLE_VOSF
677	+	// Load gray ramp to 8->16/32 expand map
678	+	if (!IsDirectMode(get_current_mode()) && xdepth > 8)
679	+	for (int i=0; i<256; i++)
680	+	ExpandMap[i] = map_rgb(i, i, i);
681	+	#endif
682	+
683	+	// Create display of requested type
684	+	display_type = mode.viType;
685	+	depth = depth_of_video_mode(mode.viAppleMode);
686	+
687	+	bool display_open = false;
688		if (display_type == DIS_SCREEN)
689	<	return open_dga(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
689	>	display_open = open_dga(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
690		else if (display_type == DIS_WINDOW)
691	<	return open_window(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
692	<	else
693	<	return false;
691	>	display_open = open_window(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
692	>
693	>	#ifdef ENABLE_VOSF
694	>	if (use_vosf) {
695	>	// Initialize the VOSF system
696	>	if (!video_vosf_init()) {
697	>	ErrorAlert(GetString(STR_VOSF_INIT_ERR));
698	>	return false;
699	>	}
700	>	}
701	>	#endif
702	>
703	>	return display_open;
704		}
705
706
#	Line 355 | Line 711 | static bool open_display(void)
711		// Close window
712		static void close_window(void)
713		{
714	<	// Close window
715	<	XDestroyWindow(x_display, the_win);
716	<
717	<	// Close frame buffer copy
718	<	if (the_buffer_copy) {
719	<	free(the_buffer_copy);
720	<	the_buffer_copy = NULL;
714	>	if (have_shm) {
715	>	XShmDetach(x_display, &shminfo);
716	>	#ifdef ENABLE_VOSF
717	>	the_host_buffer = NULL; // don't free() in driver_base dtor
718	>	#else
719	>	the_buffer_copy = NULL; // don't free() in driver_base dtor
720	>	#endif
721	>	}
722	>	if (img) {
723	>	if (!have_shm)
724	>	img->data = NULL;
725	>	XDestroyImage(img);
726	>	}
727	>	if (have_shm) {
728	>	shmdt(shminfo.shmaddr);
729	>	shmctl(shminfo.shmid, IPC_RMID, 0);
730		}
731	+	if (the_gc)
732	+	XFreeGC(x_display, the_gc);
733	+
734	+	XFlush(x_display);
735	+	XSync(x_display, false);
736		}
737
738		// Close DGA mode
#	Line 378 | Line 748 | static void close_dga(void)
748		if (has_vidmode)
749		XF86VidModeSwitchToMode(x_display, screen, x_video_modes[0]);
750		#endif
751	+
752	+	if (!use_vosf) {
753	+	// don't free() the screen buffer in driver_base dtor
754	+	the_buffer = NULL;
755	+	}
756	+	#ifdef ENABLE_VOSF
757	+	else {
758	+	// don't free() the screen buffer in driver_base dtor
759	+	the_host_buffer = NULL;
760	+	}
761	+	#endif
762		}
763
764		static void close_display(void)
#	Line 386 | Line 767 | static void close_display(void)
767		close_dga();
768		else if (display_type == DIS_WINDOW)
769		close_window();
770	+
771	+	// Close window
772	+	if (the_win) {
773	+	XUnmapWindow(x_display, the_win);
774	+	wait_unmapped(the_win);
775	+	XDestroyWindow(x_display, the_win);
776	+	}
777	+
778	+	// Free colormaps
779	+	if (cmap[0]) {
780	+	XFreeColormap(x_display, cmap[0]);
781	+	cmap[0] = 0;
782	+	}
783	+	if (cmap[1]) {
784	+	XFreeColormap(x_display, cmap[1]);
785	+	cmap[1] = 0;
786	+	}
787	+
788	+	#ifdef ENABLE_VOSF
789	+	if (use_vosf) {
790	+	// Deinitialize VOSF
791	+	video_vosf_exit();
792	+	}
793	+	#endif
794	+
795	+	// Free frame buffer(s)
796	+	if (!use_vosf) {
797	+	if (the_buffer_copy) {
798	+	free(the_buffer_copy);
799	+	the_buffer_copy = NULL;
800	+	}
801	+	}
802	+	#ifdef ENABLE_VOSF
803	+	else {
804	+	// the_buffer shall always be mapped through vm_acquire() so that we can vm_protect() it at will
805	+	if (the_buffer != VM_MAP_FAILED) {
806	+	D(bug(" releasing the_buffer at %p (%d bytes)\n", the_buffer, the_buffer_size));
807	+	vm_release(the_buffer, the_buffer_size);
808	+	the_buffer = NULL;
809	+	}
810	+	if (the_host_buffer) {
811	+	D(bug(" freeing the_host_buffer at %p\n", the_host_buffer));
812	+	free(the_host_buffer);
813	+	the_host_buffer = NULL;
814	+	}
815	+	if (the_buffer_copy) {
816	+	D(bug(" freeing the_buffer_copy at %p\n", the_buffer_copy));
817	+	free(the_buffer_copy);
818	+	the_buffer_copy = NULL;
819	+	}
820	+	}
821	+	#endif
822		}
823
824
#	Line 393 | Line 826 | static void close_display(void)
826		*  Initialization
827		*/
828
829	<	static void add_mode(VideoInfo *&p, uint32 allow, uint32 test, long apple_mode, long apple_id, int type)
829	>	// Init keycode translation table
830	>	static void keycode_init(void)
831	>	{
832	>	bool use_kc = PrefsFindBool("keycodes");
833	>	if (use_kc) {
834	>
835	>	// Get keycode file path from preferences
836	>	const char *kc_path = PrefsFindString("keycodefile");
837	>
838	>	// Open keycode table
839	>	FILE *f = fopen(kc_path ? kc_path : KEYCODE_FILE_NAME, "r");
840	>	if (f == NULL) {
841	>	char str[256];
842	>	sprintf(str, GetString(STR_KEYCODE_FILE_WARN), kc_path ? kc_path : KEYCODE_FILE_NAME, strerror(errno));
843	>	WarningAlert(str);
844	>	return;
845	>	}
846	>
847	>	// Default translation table
848	>	for (int i=0; i<256; i++)
849	>	keycode_table[i] = -1;
850	>
851	>	// Search for server vendor string, then read keycodes
852	>	const char *vendor = ServerVendor(x_display);
853	>	bool vendor_found = false;
854	>	char line[256];
855	>	while (fgets(line, 255, f)) {
856	>	// Read line
857	>	int len = strlen(line);
858	>	if (len == 0)
859	>	continue;
860	>	line[len-1] = 0;
861	>
862	>	// Comments begin with "#" or ";"
863	>	if (line[0] == '#' || line[0] == ';' || line[0] == 0)
864	>	continue;
865	>
866	>	if (vendor_found) {
867	>	// Read keycode
868	>	int x_code, mac_code;
869	>	if (sscanf(line, "%d %d", &x_code, &mac_code) == 2)
870	>	keycode_table[x_code & 0xff] = mac_code;
871	>	else
872	>	break;
873	>	} else {
874	>	// Search for vendor string
875	>	if (strstr(vendor, line) == vendor)
876	>	vendor_found = true;
877	>	}
878	>	}
879	>
880	>	// Keycode file completely read
881	>	fclose(f);
882	>	use_keycodes = vendor_found;
883	>
884	>	// Vendor not found? Then display warning
885	>	if (!vendor_found) {
886	>	char str[256];
887	>	sprintf(str, GetString(STR_KEYCODE_VENDOR_WARN), vendor, kc_path ? kc_path : KEYCODE_FILE_NAME);
888	>	WarningAlert(str);
889	>	return;
890	>	}
891	>	}
892	>	}
893	>
894	>	// Find Apple mode matching best specified dimensions
895	>	static int find_apple_resolution(int xsize, int ysize)
896	>	{
897	>	int apple_id;
898	>	if (xsize < 800)
899	>	apple_id = APPLE_640x480;
900	>	else if (xsize < 1024)
901	>	apple_id = APPLE_800x600;
902	>	else if (xsize < 1152)
903	>	apple_id = APPLE_1024x768;
904	>	else if (xsize < 1280) {
905	>	if (ysize < 900)
906	>	apple_id = APPLE_1152x768;
907	>	else
908	>	apple_id = APPLE_1152x900;
909	>	}
910	>	else if (xsize < 1600)
911	>	apple_id = APPLE_1280x1024;
912	>	else
913	>	apple_id = APPLE_1600x1200;
914	>	return apple_id;
915	>	}
916	>
917	>	// Find mode in list of supported modes
918	>	static int find_mode(int apple_mode, int apple_id, int type)
919	>	{
920	>	for (VideoInfo *p = VModes; p->viType != DIS_INVALID; p++) {
921	>	if (p->viType == type && p->viAppleID == apple_id && p->viAppleMode == apple_mode)
922	>	return p - VModes;
923	>	}
924	>	return -1;
925	>	}
926	>
927	>	// Add mode to list of supported modes
928	>	static void add_mode(VideoInfo *&p, uint32 allow, uint32 test, int apple_mode, int apple_id, int type)
929		{
930		if (allow & test) {
931		p->viType = type;
#	Line 412 | Line 944 | static void add_mode(VideoInfo *&p, uint
944		p->viXsize = 1024;
945		p->viYsize = 768;
946		break;
947	+	case APPLE_1152x768:
948	+	p->viXsize = 1152;
949	+	p->viYsize = 768;
950	+	break;
951		case APPLE_1152x900:
952		p->viXsize = 1152;
953		p->viYsize = 900;
#	Line 425 | Line 961 | static void add_mode(VideoInfo *&p, uint
961		p->viYsize = 1200;
962		break;
963		}
964	<	switch (apple_mode) {
429	<	case APPLE_8_BIT:
430	<	p->viRowBytes = p->viXsize;
431	<	break;
432	<	case APPLE_16_BIT:
433	<	p->viRowBytes = p->viXsize * 2;
434	<	break;
435	<	case APPLE_32_BIT:
436	<	p->viRowBytes = p->viXsize * 4;
437	<	break;
438	<	}
964	>	p->viRowBytes = TrivialBytesPerRow(p->viXsize, apple_mode);
965		p->viAppleMode = apple_mode;
966		p->viAppleID = apple_id;
967		p++;
968		}
969		}
970
971	+	// Add standard list of windowed modes for given color depth
972	+	static void add_window_modes(VideoInfo *&p, int window_modes, int mode)
973	+	{
974	+	add_mode(p, window_modes, 1, mode, APPLE_W_640x480, DIS_WINDOW);
975	+	add_mode(p, window_modes, 2, mode, APPLE_W_800x600, DIS_WINDOW);
976	+	}
977	+
978		static bool has_mode(int x, int y)
979		{
980		#ifdef ENABLE_XF86_VIDMODE
#	Line 456 | Line 989 | static bool has_mode(int x, int y)
989
990		bool VideoInit(void)
991		{
992	+	#ifdef ENABLE_VOSF
993	+	// Zero the mainBuffer structure
994	+	mainBuffer.dirtyPages = NULL;
995	+	mainBuffer.pageInfo = NULL;
996	+	#endif
997	+
998	+	// Check if X server runs on local machine
999	+	local_X11 = (strncmp(XDisplayName(x_display_name), ":", 1) == 0)
1000	+	|| (strncmp(XDisplayName(x_display_name), "unix:", 5) == 0);
1001	+
1002	+	// Init keycode translation
1003	+	keycode_init();
1004	+
1005	+	// Read frame skip prefs
1006	+	frame_skip = PrefsFindInt32("frameskip");
1007	+	if (frame_skip == 0)
1008	+	frame_skip = 1;
1009	+
1010	+	// Read mouse wheel prefs
1011	+	mouse_wheel_mode = PrefsFindInt32("mousewheelmode");
1012	+	mouse_wheel_lines = PrefsFindInt32("mousewheellines");
1013	+
1014		// Init variables
1015		private_data = NULL;
461	–	cur_mode = 0;   // Window 640x480
1016		video_activated = true;
1017
1018		// Find screen and root window
1019		screen = XDefaultScreen(x_display);
1020		rootwin = XRootWindow(x_display, screen);
1021
1022	+	// Get sorted list of available depths
1023	+	avail_depths = XListDepths(x_display, screen, &num_depths);
1024	+	if (avail_depths == NULL) {
1025	+	ErrorAlert(GetString(STR_UNSUPP_DEPTH_ERR));
1026	+	return false;
1027	+	}
1028	+	sort(avail_depths, avail_depths + num_depths);
1029	+
1030		// Get screen depth
1031		xdepth = DefaultDepth(x_display, screen);
1032
1033		#ifdef ENABLE_XF86_DGA
1034		// DGA available?
1035		int event_base, error_base;
1036	<	if (XF86DGAQueryExtension(x_display, &event_base, &error_base)) {
1036	>	if (local_X11 && XF86DGAQueryExtension(x_display, &event_base, &error_base)) {
1037		int dga_flags = 0;
1038		XF86DGAQueryDirectVideo(x_display, screen, &dga_flags);
1039		has_dga = dga_flags & XF86DGADirectPresent;
#	Line 495 | Line 1057 | bool VideoInit(void)
1057		black_pixel = BlackPixel(x_display, screen);
1058		white_pixel = WhitePixel(x_display, screen);
1059
498	–	// Get appropriate visual
499	–	int color_class;
500	–	switch (xdepth) {
501	–	#if 0
502	–	case 1:
503	–	color_class = StaticGray;
504	–	break;
505	–	#endif
506	–	case 8:
507	–	color_class = PseudoColor;
508	–	break;
509	–	case 15:
510	–	case 16:
511	–	case 24:
512	–	case 32:
513	–	color_class = TrueColor;
514	–	break;
515	–	default:
516	–	ErrorAlert(GetString(STR_UNSUPP_DEPTH_ERR));
517	–	return false;
518	–	}
519	–	if (!XMatchVisualInfo(x_display, screen, xdepth, color_class, &visualInfo)) {
520	–	ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
521	–	return false;
522	–	}
523	–	if (visualInfo.depth != xdepth) {
524	–	ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
525	–	return false;
526	–	}
527	–	vis = visualInfo.visual;
528	–
1060		// Mac screen depth follows X depth (for now)
1061	<	depth = xdepth;
1062	<
1063	<	// Create color maps for 8 bit mode
1064	<	if (depth == 8) {
1065	<	cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll);
1066	<	cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll);
1067	<	XInstallColormap(x_display, cmap[0]);
1068	<	XInstallColormap(x_display, cmap[1]);
1061	>	int default_mode = APPLE_8_BIT;
1062	>	switch (DefaultDepth(x_display, screen)) {
1063	>	case 1:
1064	>	default_mode = APPLE_1_BIT;
1065	>	break;
1066	>	case 8:
1067	>	default_mode = APPLE_8_BIT;
1068	>	break;
1069	>	case 15: case 16:
1070	>	default_mode = APPLE_16_BIT;
1071	>	break;
1072	>	case 24: case 32:
1073	>	default_mode = APPLE_32_BIT;
1074	>	break;
1075		}
1076
1077		// Construct video mode table
541	–	int mode = APPLE_8_BIT;
542	–	int bpr_mult = 8;
543	–	switch (depth) {
544	–	case 1:
545	–	mode = APPLE_1_BIT;
546	–	bpr_mult = 1;
547	–	break;
548	–	case 8:
549	–	mode = APPLE_8_BIT;
550	–	bpr_mult = 8;
551	–	break;
552	–	case 15:
553	–	case 16:
554	–	mode = APPLE_16_BIT;
555	–	bpr_mult = 16;
556	–	break;
557	–	case 24:
558	–	case 32:
559	–	mode = APPLE_32_BIT;
560	–	bpr_mult = 32;
561	–	break;
562	–	}
563	–
1078		uint32 window_modes = PrefsFindInt32("windowmodes");
1079		uint32 screen_modes = PrefsFindInt32("screenmodes");
1080		if (!has_dga)
#	Line 569 | Line 1083 | bool VideoInit(void)
1083		window_modes |= 3;      // Allow at least 640x480 and 800x600 window modes
1084
1085		VideoInfo *p = VModes;
1086	<	add_mode(p, window_modes, 1, mode, APPLE_W_640x480, DIS_WINDOW);
1087	<	add_mode(p, window_modes, 2, mode, APPLE_W_800x600, DIS_WINDOW);
1086	>	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++)
1087	>	if (find_visual_for_depth(d))
1088	>	add_window_modes(p, window_modes, d);
1089	>
1090		if (has_vidmode) {
1091		if (has_mode(640, 480))
1092	<	add_mode(p, screen_modes, 1, mode, APPLE_640x480, DIS_SCREEN);
1092	>	add_mode(p, screen_modes, 1, default_mode, APPLE_640x480, DIS_SCREEN);
1093		if (has_mode(800, 600))
1094	<	add_mode(p, screen_modes, 2, mode, APPLE_800x600, DIS_SCREEN);
1094	>	add_mode(p, screen_modes, 2, default_mode, APPLE_800x600, DIS_SCREEN);
1095		if (has_mode(1024, 768))
1096	<	add_mode(p, screen_modes, 4, mode, APPLE_1024x768, DIS_SCREEN);
1096	>	add_mode(p, screen_modes, 4, default_mode, APPLE_1024x768, DIS_SCREEN);
1097	>	if (has_mode(1152, 768))
1098	>	add_mode(p, screen_modes, 64, default_mode, APPLE_1152x768, DIS_SCREEN);
1099		if (has_mode(1152, 900))
1100	<	add_mode(p, screen_modes, 8, mode, APPLE_1152x900, DIS_SCREEN);
1100	>	add_mode(p, screen_modes, 8, default_mode, APPLE_1152x900, DIS_SCREEN);
1101		if (has_mode(1280, 1024))
1102	<	add_mode(p, screen_modes, 16, mode, APPLE_1280x1024, DIS_SCREEN);
1102	>	add_mode(p, screen_modes, 16, default_mode, APPLE_1280x1024, DIS_SCREEN);
1103		if (has_mode(1600, 1200))
1104	<	add_mode(p, screen_modes, 32, mode, APPLE_1600x1200, DIS_SCREEN);
1104	>	add_mode(p, screen_modes, 32, default_mode, APPLE_1600x1200, DIS_SCREEN);
1105		} else if (screen_modes) {
1106		int xsize = DisplayWidth(x_display, screen);
1107		int ysize = DisplayHeight(x_display, screen);
1108	<	int apple_id;
591	<	if (xsize < 800)
592	<	apple_id = APPLE_640x480;
593	<	else if (xsize < 1024)
594	<	apple_id = APPLE_800x600;
595	<	else if (xsize < 1152)
596	<	apple_id = APPLE_1024x768;
597	<	else if (xsize < 1280)
598	<	apple_id = APPLE_1152x900;
599	<	else if (xsize < 1600)
600	<	apple_id = APPLE_1280x1024;
601	<	else
602	<	apple_id = APPLE_1600x1200;
1108	>	int apple_id = find_apple_resolution(xsize, ysize);
1109		p->viType = DIS_SCREEN;
1110		p->viRowBytes = 0;
1111		p->viXsize = xsize;
1112		p->viYsize = ysize;
1113	<	p->viAppleMode = mode;
1113	>	p->viAppleMode = default_mode;
1114		p->viAppleID = apple_id;
1115		p++;
1116		}
#	Line 614 | Line 1120 | bool VideoInit(void)
1120		p->viAppleMode = 0;
1121		p->viAppleID = 0;
1122
1123	<	#ifdef ENABLE_XF86_DGA
1123	>	// Find default mode (window 640x480)
1124	>	cur_mode = -1;
1125		if (has_dga && screen_modes) {
1126	<	int v_bank, v_size;
1127	<	XF86DGAGetVideo(x_display, screen, &dga_screen_base, &dga_fb_width, &v_bank, &v_size);
1128	<	D(bug("DGA screen_base %p, v_width %d\n", dga_screen_base, dga_fb_width));
1126	>	int screen_width = DisplayWidth(x_display, screen);
1127	>	int screen_height = DisplayHeight(x_display, screen);
1128	>	int apple_id = find_apple_resolution(screen_width, screen_height);
1129	>	if (apple_id != -1)
1130	>	cur_mode = find_mode(default_mode, apple_id, DIS_SCREEN);
1131	>	}
1132	>	if (cur_mode == -1)
1133	>	cur_mode = find_mode(default_mode, APPLE_W_640x480, DIS_WINDOW);
1134	>	assert(cur_mode != -1);
1135	>
1136	>	#if DEBUG
1137	>	D(bug("Available video modes:\n"));
1138	>	for (p = VModes; p->viType != DIS_INVALID; p++) {
1139	>	int bits = depth_of_video_mode(p->viAppleMode);
1140	>	D(bug(" %dx%d (ID %02x), %d colors\n", p->viXsize, p->viYsize, p->viAppleID, 1 << bits));
1141		}
1142		#endif
1143
#	Line 633 | Line 1152 | bool VideoInit(void)
1152
1153		// Start periodic thread
1154		XSync(x_display, false);
1155	<	redraw_thread_active = (pthread_create(&redraw_thread, NULL, redraw_func, NULL) == 0);
1155	>	Set_pthread_attr(&redraw_thread_attr, 0);
1156	>	redraw_thread_active = (pthread_create(&redraw_thread, &redraw_thread_attr, redraw_func, NULL) == 0);
1157		D(bug("Redraw thread installed (%ld)\n", redraw_thread));
1158		return true;
1159		}
#	Line 652 | Line 1172 | void VideoExit(void)
1172		redraw_thread_active = false;
1173		}
1174
1175	+	#ifdef ENABLE_VOSF
1176	+	if (use_vosf) {
1177	+	// Deinitialize VOSF
1178	+	video_vosf_exit();
1179	+	}
1180	+	#endif
1181	+
1182		// Close window and server connection
1183		if (x_display != NULL) {
1184		XSync(x_display, false);
1185		close_display();
1186		XFlush(x_display);
1187		XSync(x_display, false);
661	–	if (depth == 8) {
662	–	XFreeColormap(x_display, cmap[0]);
663	–	XFreeColormap(x_display, cmap[1]);
664	–	}
1188		}
1189		}
1190
#	Line 725 | Line 1248 | static void resume_emul(void)
1248		// Reopen full screen display
1249		XGrabKeyboard(x_display, rootwin, 1, GrabModeAsync, GrabModeAsync, CurrentTime);
1250		XGrabPointer(x_display, rootwin, 1, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
1251	+	#ifdef ENABLE_XF86_DGA
1252		XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
1253		XF86DGASetViewPort(x_display, screen, 0, 0);
1254	+	#endif
1255		XSync(x_display, false);
1256
1257	+	// the_buffer already contains the data to restore. i.e. since a temporary
1258	+	// frame buffer is used when VOSF is actually used, fb_save is therefore
1259	+	// not necessary.
1260	+	#ifdef ENABLE_VOSF
1261	+	if (use_vosf) {
1262	+	LOCK_VOSF;
1263	+	PFLAG_SET_ALL;
1264	+	UNLOCK_VOSF;
1265	+	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
1266	+	}
1267	+	#endif
1268	+
1269		// Restore frame buffer
1270		if (fb_save) {
1271	+	#ifdef ENABLE_VOSF
1272	+	// Don't copy fb_save to the temporary frame buffer in VOSF mode
1273	+	if (!use_vosf)
1274	+	#endif
1275		memcpy((void *)screen_base, fb_save, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1276		free(fb_save);
1277		fb_save = NULL;
#	Line 904 | Line 1445 | static int kc_decode(KeySym ks)
1445		return -1;
1446		}
1447
1448	<	static int event2keycode(XKeyEvent *ev)
1448	>	static int event2keycode(XKeyEvent &ev)
1449		{
1450		KeySym ks;
1451		int as;
1452		int i = 0;
1453
1454		do {
1455	<	ks = XLookupKeysym(ev, i++);
1455	>	ks = XLookupKeysym(&ev, i++);
1456		as = kc_decode(ks);
1457		if (as != -1)
1458		return as;
#	Line 926 | Line 1467 | static void handle_events(void)
1467		for (;;) {
1468		XEvent event;
1469
1470	<	if (!XCheckMaskEvent(x_display, eventmask, &event))
1470	>	XDisplayLock();
1471	>	if (!XCheckMaskEvent(x_display, eventmask, &event)) {
1472	>	// Handle clipboard events
1473	>	if (XCheckTypedEvent(x_display, SelectionRequest, &event))
1474	>	ClipboardSelectionRequest(&event.xselectionrequest);
1475	>	else if (XCheckTypedEvent(x_display, SelectionClear, &event))
1476	>	ClipboardSelectionClear(&event.xselectionclear);
1477	>
1478	>	// Window "close" widget clicked
1479	>	else if (XCheckTypedEvent(x_display, ClientMessage, &event)) {
1480	>	if (event.xclient.format == 32 && event.xclient.data.l[0] == WM_DELETE_WINDOW) {
1481	>	ADBKeyDown(0x7f);       // Power key
1482	>	ADBKeyUp(0x7f);
1483	>	}
1484	>	}
1485	>
1486	>	XDisplayUnlock();
1487		break;
1488	+	}
1489	+	XDisplayUnlock();
1490
1491		switch (event.type) {
1492		// Mouse button
#	Line 935 | Line 1494 | static void handle_events(void)
1494		unsigned int button = ((XButtonEvent *)&event)->button;
1495		if (button < 4)
1496		ADBMouseDown(button - 1);
1497	+	else if (button < 6) {  // Wheel mouse
1498	+	if (mouse_wheel_mode == 0) {
1499	+	int key = (button == 5) ? 0x79 : 0x74;  // Page up/down
1500	+	ADBKeyDown(key);
1501	+	ADBKeyUp(key);
1502	+	} else {
1503	+	int key = (button == 5) ? 0x3d : 0x3e;  // Cursor up/down
1504	+	for(int i=0; i<mouse_wheel_lines; i++) {
1505	+	ADBKeyDown(key);
1506	+	ADBKeyUp(key);
1507	+	}
1508	+	}
1509	+	}
1510		break;
1511		}
1512		case ButtonRelease: {
#	Line 944 | Line 1516 | static void handle_events(void)
1516		break;
1517		}
1518
1519	<	// Mouse moved
1519	>	// Mouse entered window
1520		case EnterNotify:
1521	<	ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
1521	>	if (event.xcrossing.mode != NotifyGrab && event.xcrossing.mode != NotifyUngrab)
1522	>	ADBMouseMoved(event.xmotion.x, event.xmotion.y);
1523		break;
1524	+
1525	+	// Mouse moved
1526		case MotionNotify:
1527	<	ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
1527	>	ADBMouseMoved(event.xmotion.x, event.xmotion.y);
1528		break;
1529
1530		// Keyboard
1531		case KeyPress: {
1532	<	int code;
1533	<	if ((code = event2keycode((XKeyEvent *)&event)) != -1) {
1532	>	int code = event2keycode(event.xkey);
1533	>	if (use_keycodes && code != -1)
1534	>	code = keycode_table[event.xkey.keycode & 0xff];
1535	>	if (code != -1) {
1536		if (!emul_suspended) {
1537		ADBKeyDown(code);
1538		if (code == 0x36)
#	Line 968 | Line 1545 | static void handle_events(void)
1545		break;
1546		}
1547		case KeyRelease: {
1548	<	int code;
1549	<	if ((code = event2keycode((XKeyEvent *)&event)) != -1) {
1548	>	int code = event2keycode(event.xkey);
1549	>	if (use_keycodes && code != 1)
1550	>	code = keycode_table[event.xkey.keycode & 0xff];
1551	>	if (code != -1) {
1552		ADBKeyUp(code);
1553		if (code == 0x36)
1554		ctrl_down = false;
#	Line 979 | Line 1558 | static void handle_events(void)
1558
1559		// Hidden parts exposed, force complete refresh
1560		case Expose:
1561	+	#ifdef ENABLE_VOSF
1562	+	if (use_vosf) {                 // VOSF refresh
1563	+	LOCK_VOSF;
1564	+	PFLAG_SET_ALL;
1565	+	UNLOCK_VOSF;
1566	+	}
1567	+	#endif
1568		memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
1569		break;
1570		}
#	Line 1203 | Line 1789 | int16 video_mode_change(VidLocals *csSav
1789
1790		void video_set_palette(void)
1791		{
1792	+	LOCK_PALETTE;
1793	+
1794	+	// Convert colors to XColor array
1795	+	int mode = get_current_mode();
1796	+	int num_in = palette_size(mode);
1797	+	int num_out = 256;
1798	+	bool stretch = false;
1799	+	if (IsDirectMode(mode)) {
1800	+	// If X is in 565 mode we have to stretch the gamma table from 32 to 64 entries
1801	+	num_out = vis->map_entries;
1802	+	stretch = true;
1803	+	}
1804	+	XColor *p = x_palette;
1805	+	for (int i=0; i<num_out; i++) {
1806	+	int c = (stretch ? (i * num_in) / num_out : i);
1807	+	p->red = mac_pal[c].red * 0x0101;
1808	+	p->green = mac_pal[c].green * 0x0101;
1809	+	p->blue = mac_pal[c].blue * 0x0101;
1810	+	p++;
1811	+	}
1812	+
1813	+	#ifdef ENABLE_VOSF
1814	+	// Recalculate pixel color expansion map
1815	+	if (!IsDirectMode(mode) && xdepth > 8) {
1816	+	for (int i=0; i<256; i++) {
1817	+	int c = i & (num_in-1); // If there are less than 256 colors, we repeat the first entries (this makes color expansion easier)
1818	+	ExpandMap[i] = map_rgb(mac_pal[c].red, mac_pal[c].green, mac_pal[c].blue);
1819	+	}
1820	+
1821	+	// We have to redraw everything because the interpretation of pixel values changed
1822	+	LOCK_VOSF;
1823	+	PFLAG_SET_ALL;
1824	+	UNLOCK_VOSF;
1825	+	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
1826	+	}
1827	+	#endif
1828	+
1829	+	// Tell redraw thread to change palette
1830		palette_changed = true;
1831	+
1832	+	UNLOCK_PALETTE;
1833		}
1834
1835
#	Line 1330 | Line 1956 | static void update_display(void)
1956
1957		// Refresh display
1958		if (high && wide) {
1959	+	XDisplayLock();
1960		if (have_shm)
1961		XShmPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high, 0);
1962		else
1963		XPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high);
1964	+	XDisplayUnlock();
1965		}
1966		}
1967
1968	+	const int VIDEO_REFRESH_HZ = 60;
1969	+	const int VIDEO_REFRESH_DELAY = 1000000 / VIDEO_REFRESH_HZ;
1970	+
1971	+	static void handle_palette_changes(void)
1972	+	{
1973	+	LOCK_PALETTE;
1974	+
1975	+	if (palette_changed && !emul_suspended) {
1976	+	palette_changed = false;
1977	+
1978	+	int mode = get_current_mode();
1979	+	if (color_class == PseudoColor || color_class == DirectColor) {
1980	+	int num = vis->map_entries;
1981	+	bool set_clut = true;
1982	+	if (!IsDirectMode(mode) && color_class == DirectColor) {
1983	+	if (display_type == DIS_WINDOW)
1984	+	set_clut = false; // Indexed mode on true color screen, don't set CLUT
1985	+	}
1986	+
1987	+	if (set_clut) {
1988	+	XDisplayLock();
1989	+	XStoreColors(x_display, cmap[0], x_palette, num);
1990	+	XStoreColors(x_display, cmap[1], x_palette, num);
1991	+	XSync(x_display, false);
1992	+	XDisplayUnlock();
1993	+	}
1994	+	}
1995	+
1996	+	#ifdef ENABLE_XF86_DGA
1997	+	if (display_type == DIS_SCREEN) {
1998	+	current_dga_cmap ^= 1;
1999	+	if (!IsDirectMode(mode) && cmap[current_dga_cmap])
2000	+	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
2001	+	}
2002	+	#endif
2003	+	}
2004	+
2005	+	UNLOCK_PALETTE;
2006	+	}
2007	+
2008		static void *redraw_func(void *arg)
2009		{
2010	<	int tick_counter = 0;
1343	<	struct timespec req = {0, 16666667};
2010	>	int fd = ConnectionNumber(x_display);
2011
2012	<	for (;;) {
2012	>	uint64 start = GetTicks_usec();
2013	>	int64 ticks = 0;
2014	>	uint64 next = GetTicks_usec() + VIDEO_REFRESH_DELAY;
2015
2016	<	// Wait
1348	<	nanosleep(&req, NULL);
2016	>	for (;;) {
2017
2018		// Pause if requested (during video mode switches)
2019		while (thread_stop_req)
2020		thread_stop_ack = true;
2021
2022	<	// Handle X11 events
2023	<	handle_events();
2022	>	int64 delay = next - GetTicks_usec();
2023	>	if (delay < -VIDEO_REFRESH_DELAY) {
2024	>
2025	>	// We are lagging far behind, so we reset the delay mechanism
2026	>	next = GetTicks_usec();
2027	>
2028	>	} else if (delay <= 0) {
2029	>
2030	>	// Delay expired, refresh display
2031	>	next += VIDEO_REFRESH_DELAY;
2032	>	ticks++;
2033	>
2034	>	// Handle X11 events
2035	>	handle_events();
2036
2037	<	// Quit DGA mode if requested
2038	<	if (quit_full_screen) {
2039	<	quit_full_screen = false;
2040	<	if (display_type == DIS_SCREEN) {
2037	>	// Quit DGA mode if requested
2038	>	if (quit_full_screen) {
2039	>	quit_full_screen = false;
2040	>	if (display_type == DIS_SCREEN) {
2041	>	XDisplayLock();
2042		#ifdef ENABLE_XF86_DGA
2043	<	XF86DGADirectVideo(x_display, screen, 0);
2044	<	XUngrabPointer(x_display, CurrentTime);
2045	<	XUngrabKeyboard(x_display, CurrentTime);
2043	>	XF86DGADirectVideo(x_display, screen, 0);
2044	>	XUngrabPointer(x_display, CurrentTime);
2045	>	XUngrabKeyboard(x_display, CurrentTime);
2046	>	XUnmapWindow(x_display, the_win);
2047	>	wait_unmapped(the_win);
2048	>	XDestroyWindow(x_display, the_win);
2049		#endif
2050	<	XSync(x_display, false);
2051	<	quit_full_screen_ack = true;
2052	<	return NULL;
2053	<	}
1370	<	}
1371	<
1372	<	// Refresh display and set cursor image in window mode
1373	<	if (display_type == DIS_WINDOW) {
1374	<	tick_counter++;
1375	<	if (tick_counter >= frame_skip) {
1376	<	tick_counter = 0;
1377	<
1378	<	// Update display
1379	<	update_display();
1380	<
1381	<	// Set new cursor image if it was changed
1382	<	if (cursor_changed) {
1383	<	cursor_changed = false;
1384	<	memcpy(cursor_image->data, MacCursor + 4, 32);
1385	<	memcpy(cursor_mask_image->data, MacCursor + 36, 32);
1386	<	XFreeCursor(x_display, mac_cursor);
1387	<	XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16);
1388	<	XPutImage(x_display, cursor_mask_map, cursor_mask_gc, cursor_mask_image, 0, 0, 0, 0, 16, 16);
1389	<	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, MacCursor[2], MacCursor[3]);
1390	<	XDefineCursor(x_display, the_win, mac_cursor);
2050	>	XSync(x_display, false);
2051	>	XDisplayUnlock();
2052	>	quit_full_screen_ack = true;
2053	>	return NULL;
2054		}
2055		}
1393	–	}
2056
2057	<	// Set new palette if it was changed
2058	<	if (palette_changed && !emul_suspended) {
2059	<	palette_changed = false;
2060	<	XColor c[256];
2061	<	for (int i=0; i<256; i++) {
2062	<	c[i].pixel = i;
2063	<	c[i].red = mac_pal[i].red * 0x0101;
2064	<	c[i].green = mac_pal[i].green * 0x0101;
2065	<	c[i].blue = mac_pal[i].blue * 0x0101;
2066	<	c[i].flags = DoRed | DoGreen | DoBlue;
2057	>	// Refresh display and set cursor image in window mode
2058	>	static int tick_counter = 0;
2059	>	if (display_type == DIS_WINDOW) {
2060	>	tick_counter++;
2061	>	if (tick_counter >= frame_skip) {
2062	>	tick_counter = 0;
2063	>
2064	>	// Update display
2065	>	#ifdef ENABLE_VOSF
2066	>	if (use_vosf) {
2067	>	XDisplayLock();
2068	>	if (mainBuffer.dirty) {
2069	>	LOCK_VOSF;
2070	>	update_display_window_vosf();
2071	>	UNLOCK_VOSF;
2072	>	XSync(x_display, false); // Let the server catch up
2073	>	}
2074	>	XDisplayUnlock();
2075	>	}
2076	>	else
2077	>	#endif
2078	>	update_display();
2079	>
2080	>	// Set new cursor image if it was changed
2081	>	if (cursor_changed) {
2082	>	cursor_changed = false;
2083	>	memcpy(cursor_image->data, MacCursor + 4, 32);
2084	>	memcpy(cursor_mask_image->data, MacCursor + 36, 32);
2085	>	XDisplayLock();
2086	>	XFreeCursor(x_display, mac_cursor);
2087	>	XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16);
2088	>	XPutImage(x_display, cursor_mask_map, cursor_mask_gc, cursor_mask_image, 0, 0, 0, 0, 16, 16);
2089	>	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, MacCursor[2], MacCursor[3]);
2090	>	XDefineCursor(x_display, the_win, mac_cursor);
2091	>	XDisplayUnlock();
2092	>	}
2093	>	}
2094		}
2095	<	if (depth == 8) {
2096	<	XStoreColors(x_display, cmap[0], c, 256);
2097	<	XStoreColors(x_display, cmap[1], c, 256);
2098	<	#ifdef ENABLE_XF86_DGA
2099	<	if (display_type == DIS_SCREEN) {
2100	<	current_dga_cmap ^= 1;
2101	<	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
2095	>	#ifdef ENABLE_VOSF
2096	>	else if (use_vosf) {
2097	>	// Update display (VOSF variant)
2098	>	if (++tick_counter >= frame_skip) {
2099	>	tick_counter = 0;
2100	>	if (mainBuffer.dirty) {
2101	>	LOCK_VOSF;
2102	>	update_display_dga_vosf();
2103	>	UNLOCK_VOSF;
2104	>	}
2105		}
1414	–	#endif
2106		}
2107	+	#endif
2108	+
2109	+	// Set new palette if it was changed
2110	+	handle_palette_changes();
2111	+
2112	+	} else {
2113	+
2114	+	// No display refresh pending, check for X events
2115	+	fd_set readfds;
2116	+	FD_ZERO(&readfds);
2117	+	FD_SET(fd, &readfds);
2118	+	struct timeval timeout;
2119	+	timeout.tv_sec = 0;
2120	+	timeout.tv_usec = delay;
2121	+	if (select(fd+1, &readfds, NULL, NULL, &timeout) > 0)
2122	+	handle_events();
2123		}
2124		}
2125		return NULL;

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