[ViewVC] Diff of: cebix/SheepShaver/src/Unix/video

Comparing SheepShaver/src/Unix/video_x.cpp (file contents):
Revision 1.3 by gbeauche, 2003-05-22T22:12:05Z vs.
Revision 1.50 by gbeauche, 2008-01-01T09:47:39Z

#	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) 1997-2008 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	+	/*
22	+	* NOTES:
23	+	* The Ctrl key works like a qualifier for special actions:
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"
31	+
32		#include <X11/Xlib.h>
33		#include <X11/Xutil.h>
34		#include <X11/keysym.h>
35		#include <X11/extensions/XShm.h>
36		#include <sys/ipc.h>
37		#include <sys/shm.h>
38	+	#include <errno.h>
39		#include <pthread.h>
40	+	#include <semaphore.h>
41	+
42	+	#include <algorithm>
43	+
44	+	#ifdef ENABLE_FBDEV_DGA
45	+	# include <linux/fb.h>
46	+	# include <sys/ioctl.h>
47	+	#endif
48	+
49	+	#ifdef ENABLE_XF86_DGA
50	+	# include <X11/extensions/xf86dga.h>
51	+	#endif
52	+
53	+	#ifdef ENABLE_XF86_VIDMODE
54	+	# include <X11/extensions/xf86vmode.h>
55	+	#endif
56	+
57	+	#ifdef ENABLE_FBDEV_DGA
58	+	# include <sys/mman.h>
59	+	#endif
60
29	–	#include "sysdeps.h"
61		#include "main.h"
62		#include "adb.h"
63		#include "prefs.h"
#	Line 34 \| Line 65
65		#include "about_window.h"
66		#include "video.h"
67		#include "video_defs.h"
68	+	#include "video_blit.h"
69
70		#define DEBUG 0
71		#include "debug.h"
72
73	<	#ifdef ENABLE_XF86_DGA
74	<	#include <X11/extensions/xf86dga.h>
73	>	#ifndef NO_STD_NAMESPACE
74	>	using std::sort;
75		#endif
76
45	–	#ifdef ENABLE_XF86_VIDMODE
46	–	#include <X11/extensions/xf86vmode.h>
47	–	#endif
77
78	+	// Constants
79	+	const char KEYCODE_FILE_NAME[] = DATADIR "/keycodes";
80	+	static const bool hw_mac_cursor_accl = true; // Flag: Enable MacOS to X11 copy of cursor?
81
82		// Global variables
83		static int32 frame_skip;
84	+	static int16 mouse_wheel_mode;
85	+	static int16 mouse_wheel_lines;
86		static bool redraw_thread_active = false; // Flag: Redraw thread installed
87	+	static pthread_attr_t redraw_thread_attr; // Redraw thread attributes
88	+	static volatile bool redraw_thread_cancel; // Flag: Cancel Redraw thread
89		static pthread_t redraw_thread; // Redraw thread
90
91		static volatile bool thread_stop_req = false;
92	<	static volatile bool thread_stop_ack = false; // Acknowledge for thread_stop_req
92	>	static sem_t thread_stop_ack;
93	>	static sem_t thread_resume_req;
94
95	+	static bool local_X11; // Flag: X server running on local machine?
96		static bool has_dga = false; // Flag: Video DGA capable
97		static bool has_vidmode = false; // Flag: VidMode extension available
98
#	Line 66 \| Line 104 \| static const bool use_vosf = false; //
104
105		static bool palette_changed = false; // Flag: Palette changed, redraw thread must update palette
106		static bool ctrl_down = false; // Flag: Ctrl key pressed
107	+	static bool caps_on = false; // Flag: Caps Lock on
108		static bool quit_full_screen = false; // Flag: DGA close requested from redraw thread
109		static volatile bool quit_full_screen_ack = false; // Acknowledge for quit_full_screen
110		static bool emerg_quit = false; // Flag: Ctrl-Esc pressed, emergency quit requested from MacOS thread
#	Line 73 \| Line 112 \| static bool emerg_quit = false; // Fl
112		static bool emul_suspended = false; // Flag: emulator suspended
113		static Window suspend_win; // "Suspend" window
114		static void *fb_save = NULL; // Saved frame buffer for suspend
115	+	static bool use_keycodes = false; // Flag: Use keycodes rather than keysyms
116	+	static int keycode_table[256]; // X keycode -> Mac keycode translation table
117
118		// X11 variables
119		static int screen; // Screen number
120		static int xdepth; // Depth of X screen
121		static int depth; // Depth of Mac frame buffer
122		static Window rootwin, the_win; // Root window and our window
123	+	static int num_depths = 0; // Number of available X depths
124	+	static int *avail_depths = NULL; // List of available X depths
125	+	static VisualFormat visualFormat;
126		static XVisualInfo visualInfo;
127		static Visual *vis;
128	+	static int color_class;
129	+	static int rshift, rloss, gshift, gloss, bshift, bloss; // Pixel format of DirectColor/TrueColor modes
130		static Colormap cmap[2]; // Two colormaps (DGA) for 8-bit mode
131	+	static XColor x_palette[256]; // Color palette to be used as CLUT and gamma table
132	+	static int orig_accel_numer, orig_accel_denom, orig_threshold; // Original mouse acceleration
133	+
134		static XColor black, white;
135		static unsigned long black_pixel, white_pixel;
136		static int eventmask;
137	<	static const int win_eventmask = KeyPressMask \| KeyReleaseMask \| ButtonPressMask \| ButtonReleaseMask \| PointerMotionMask \| EnterWindowMask \| ExposureMask;
138	<	static const int dga_eventmask = KeyPressMask \| KeyReleaseMask \| ButtonPressMask \| ButtonReleaseMask \| PointerMotionMask;
137	>	static const int win_eventmask = KeyPressMask \| KeyReleaseMask \| ButtonPressMask \| ButtonReleaseMask \| PointerMotionMask \| EnterWindowMask \| ExposureMask \| StructureNotifyMask;
138	>	static const int dga_eventmask = KeyPressMask \| KeyReleaseMask \| ButtonPressMask \| ButtonReleaseMask \| PointerMotionMask \| StructureNotifyMask;
139
140		// Variables for window mode
141		static GC the_gc;
#	Line 103 \| Line 152 \| *static uint8 the_buffer_copy = NULL; /**
152		static uint32 the_buffer_size; // Size of allocated the_buffer
153
154		// Variables for DGA mode
155	<	static char *dga_screen_base;
107	<	static int dga_fb_width;
155	>	static bool is_fbdev_dga_mode = false; // Flag: Use FBDev DGA mode?
156		static int current_dga_cmap;
157
158	+	#ifdef ENABLE_FBDEV_DGA
159	+	static int fb_dev_fd = -1; // Handle to fb device name
160	+	static struct fb_fix_screeninfo fb_finfo; // Fixed info
161	+	static struct fb_var_screeninfo fb_vinfo; // Variable info
162	+	static struct fb_var_screeninfo fb_orig_vinfo; // Variable info to restore later
163	+	static struct fb_cmap fb_oldcmap; // Colormap to restore later
164	+	#endif
165	+
166		#ifdef ENABLE_XF86_VIDMODE
167		// Variables for XF86 VidMode support
168		static XF86VidModeModeInfo **x_video_modes; // Array of all available modes
169		static int num_x_video_modes;
170		#endif
171
172	+	// Mutex to protect palette
173	+	#if defined(HAVE_PTHREADS)
174	+	static pthread_mutex_t x_palette_lock = PTHREAD_MUTEX_INITIALIZER;
175	+	#define LOCK_PALETTE pthread_mutex_lock(&x_palette_lock)
176	+	#define UNLOCK_PALETTE pthread_mutex_unlock(&x_palette_lock)
177	+	#elif defined(HAVE_SPINLOCKS)
178	+	static spinlock_t x_palette_lock = SPIN_LOCK_UNLOCKED;
179	+	#define LOCK_PALETTE spin_lock(&x_palette_lock)
180	+	#define UNLOCK_PALETTE spin_unlock(&x_palette_lock)
181	+	#else
182	+	#define LOCK_PALETTE
183	+	#define UNLOCK_PALETTE
184	+	#endif
185	+
186	+	// Mutex to protect frame buffer
187	+	#if defined(HAVE_PTHREADS)
188	+	static pthread_mutex_t frame_buffer_lock = PTHREAD_MUTEX_INITIALIZER;
189	+	#define LOCK_FRAME_BUFFER pthread_mutex_lock(&frame_buffer_lock);
190	+	#define UNLOCK_FRAME_BUFFER pthread_mutex_unlock(&frame_buffer_lock);
191	+	#elif defined(HAVE_SPINLOCKS)
192	+	static spinlock_t frame_buffer_lock = SPIN_LOCK_UNLOCKED;
193	+	#define LOCK_FRAME_BUFFER spin_lock(&frame_buffer_lock)
194	+	#define UNLOCK_FRAME_BUFFER spin_unlock(&frame_buffer_lock)
195	+	#else
196	+	#define LOCK_FRAME_BUFFER
197	+	#define UNLOCK_FRAME_BUFFER
198	+	#endif
199	+
200
201		// Prototypes
202		static void redraw_func(void arg);
203
204
205	<	// From main_linux.cpp
205	>	// From main_unix.cpp
206	>	extern char *x_display_name;
207		extern Display *x_display;
208
209		// From sys_unix.cpp
210		extern void SysMountFirstFloppy(void);
211
212	+	// From clip_unix.cpp
213	+	extern void ClipboardSelectionClear(XSelectionClearEvent *);
214	+	extern void ClipboardSelectionRequest(XSelectionRequestEvent *);
215	+
216
217		// Video acceleration through SIGSEGV
218		#ifdef ENABLE_VOSF
#	Line 132 \| Line 221 \| extern void SysMountFirstFloppy(void);
221
222
223		/*
224	+	* Utility functions
225	+	*/
226	+
227	+	// Get current video mode
228	+	static inline int get_current_mode(void)
229	+	{
230	+	return VModes[cur_mode].viAppleMode;
231	+	}
232	+
233	+	// Find palette size for given color depth
234	+	static int palette_size(int mode)
235	+	{
236	+	switch (mode) {
237	+	case APPLE_1_BIT: return 2;
238	+	case APPLE_2_BIT: return 4;
239	+	case APPLE_4_BIT: return 16;
240	+	case APPLE_8_BIT: return 256;
241	+	case APPLE_16_BIT: return 32;
242	+	case APPLE_32_BIT: return 256;
243	+	default: return 0;
244	+	}
245	+	}
246	+
247	+	// Return bits per pixel for requested depth
248	+	static inline int bytes_per_pixel(int depth)
249	+	{
250	+	int bpp;
251	+	switch (depth) {
252	+	case 8:
253	+	bpp = 1;
254	+	break;
255	+	case 15: case 16:
256	+	bpp = 2;
257	+	break;
258	+	case 24: case 32:
259	+	bpp = 4;
260	+	break;
261	+	default:
262	+	abort();
263	+	}
264	+	return bpp;
265	+	}
266	+
267	+	// Map video_mode depth ID to numerical depth value
268	+	static inline int depth_of_video_mode(int mode)
269	+	{
270	+	int depth;
271	+	switch (mode) {
272	+	case APPLE_1_BIT:
273	+	depth = 1;
274	+	break;
275	+	case APPLE_2_BIT:
276	+	depth = 2;
277	+	break;
278	+	case APPLE_4_BIT:
279	+	depth = 4;
280	+	break;
281	+	case APPLE_8_BIT:
282	+	depth = 8;
283	+	break;
284	+	case APPLE_16_BIT:
285	+	depth = 16;
286	+	break;
287	+	case APPLE_32_BIT:
288	+	depth = 32;
289	+	break;
290	+	default:
291	+	abort();
292	+	}
293	+	return depth;
294	+	}
295	+
296	+	// Map RGB color to pixel value (this only works in TrueColor/DirectColor visuals)
297	+	static inline uint32 map_rgb(uint8 red, uint8 green, uint8 blue)
298	+	{
299	+	return ((red >> rloss) << rshift) \| ((green >> gloss) << gshift) \| ((blue >> bloss) << bshift);
300	+	}
301	+
302	+
303	+	// Do we have a visual for handling the specified Mac depth? If so, set the
304	+	// global variables "xdepth", "visualInfo", "vis" and "color_class".
305	+	static bool find_visual_for_depth(int depth)
306	+	{
307	+	D(bug("have_visual_for_depth(%d)\n", depth_of_video_mode(depth)));
308	+
309	+	// 1-bit works always and uses default visual
310	+	if (depth == APPLE_1_BIT) {
311	+	vis = DefaultVisual(x_display, screen);
312	+	visualInfo.visualid = XVisualIDFromVisual(vis);
313	+	int num = 0;
314	+	XVisualInfo *vi = XGetVisualInfo(x_display, VisualIDMask, &visualInfo, &num);
315	+	visualInfo = vi[0];
316	+	XFree(vi);
317	+	xdepth = visualInfo.depth;
318	+	color_class = visualInfo.c_class;
319	+	D(bug(" found visual ID 0x%02x, depth %d\n", visualInfo.visualid, xdepth));
320	+	return true;
321	+	}
322	+
323	+	// Calculate minimum and maximum supported X depth
324	+	int min_depth = 1, max_depth = 32;
325	+	switch (depth) {
326	+	#ifdef ENABLE_VOSF
327	+	case APPLE_2_BIT:
328	+	case APPLE_4_BIT: // VOSF blitters can convert 2/4/8-bit -> 8/16/32-bit
329	+	case APPLE_8_BIT:
330	+	min_depth = 8;
331	+	max_depth = 32;
332	+	break;
333	+	#else
334	+	case APPLE_2_BIT:
335	+	case APPLE_4_BIT: // 2/4-bit requires VOSF blitters
336	+	return false;
337	+	case APPLE_8_BIT: // 8-bit without VOSF requires an 8-bit visual
338	+	min_depth = 8;
339	+	max_depth = 8;
340	+	break;
341	+	#endif
342	+	case APPLE_16_BIT: // 16-bit requires a 15/16-bit visual
343	+	min_depth = 15;
344	+	max_depth = 16;
345	+	break;
346	+	case APPLE_32_BIT: // 32-bit requires a 24/32-bit visual
347	+	min_depth = 24;
348	+	max_depth = 32;
349	+	break;
350	+	}
351	+	D(bug(" minimum required X depth is %d, maximum supported X depth is %d\n", min_depth, max_depth));
352	+
353	+	// Try to find a visual for one of the color depths
354	+	bool visual_found = false;
355	+	for (int i=0; i<num_depths && !visual_found; i++) {
356	+
357	+	xdepth = avail_depths[i];
358	+	D(bug(" trying to find visual for depth %d\n", xdepth));
359	+	if (xdepth < min_depth \|\| xdepth > max_depth)
360	+	continue;
361	+
362	+	// Determine best color class for this depth
363	+	switch (xdepth) {
364	+	case 1: // Try StaticGray or StaticColor
365	+	if (XMatchVisualInfo(x_display, screen, xdepth, StaticGray, &visualInfo)
366	+	\|\| XMatchVisualInfo(x_display, screen, xdepth, StaticColor, &visualInfo))
367	+	visual_found = true;
368	+	break;
369	+	case 8: // Need PseudoColor
370	+	if (XMatchVisualInfo(x_display, screen, xdepth, PseudoColor, &visualInfo))
371	+	visual_found = true;
372	+	break;
373	+	case 15:
374	+	case 16:
375	+	case 24:
376	+	case 32: // Try DirectColor first, as this will allow gamma correction
377	+	if (XMatchVisualInfo(x_display, screen, xdepth, DirectColor, &visualInfo)
378	+	\|\| XMatchVisualInfo(x_display, screen, xdepth, TrueColor, &visualInfo))
379	+	visual_found = true;
380	+	break;
381	+	default:
382	+	D(bug(" not a supported depth\n"));
383	+	break;
384	+	}
385	+	}
386	+	if (!visual_found)
387	+	return false;
388	+
389	+	// Visual was found
390	+	vis = visualInfo.visual;
391	+	color_class = visualInfo.c_class;
392	+	D(bug(" found visual ID 0x%02x, depth %d, class ", visualInfo.visualid, xdepth));
393	+	#if DEBUG
394	+	switch (color_class) {
395	+	case StaticGray: D(bug("StaticGray\n")); break;
396	+	case GrayScale: D(bug("GrayScale\n")); break;
397	+	case StaticColor: D(bug("StaticColor\n")); break;
398	+	case PseudoColor: D(bug("PseudoColor\n")); break;
399	+	case TrueColor: D(bug("TrueColor\n")); break;
400	+	case DirectColor: D(bug("DirectColor\n")); break;
401	+	}
402	+	#endif
403	+	return true;
404	+	}
405	+
406	+
407	+	/*
408		* Open display (window or fullscreen)
409		*/
410
411	+	// Set window name and class
412	+	static void set_window_name(Window w, int name)
413	+	{
414	+	const char *str = GetString(name);
415	+	XStoreName(x_display, w, str);
416	+	XSetIconName(x_display, w, str);
417	+
418	+	XClassHint *hints;
419	+	hints = XAllocClassHint();
420	+	if (hints) {
421	+	hints->res_name = "SheepShaver";
422	+	hints->res_class = "SheepShaver";
423	+	XSetClassHint(x_display, w, hints);
424	+	XFree(hints);
425	+	}
426	+	}
427	+
428	+	// Set window input focus flag
429	+	static void set_window_focus(Window w)
430	+	{
431	+	XWMHints *hints = XAllocWMHints();
432	+	if (hints) {
433	+	hints->input = True;
434	+	hints->initial_state = NormalState;
435	+	hints->flags = InputHint \| StateHint;
436	+	XSetWMHints(x_display, w, hints);
437	+	XFree(hints);
438	+	}
439	+	}
440	+
441	+	// Set WM_DELETE_WINDOW protocol on window (preventing it from being destroyed by the WM when clicking on the "close" widget)
442	+	static Atom WM_DELETE_WINDOW = (Atom)0;
443	+	static void set_window_delete_protocol(Window w)
444	+	{
445	+	WM_DELETE_WINDOW = XInternAtom(x_display, "WM_DELETE_WINDOW", false);
446	+	XSetWMProtocols(x_display, w, &WM_DELETE_WINDOW, 1);
447	+	}
448	+
449	+	// Wait until window is mapped/unmapped
450	+	static void wait_mapped(Window w)
451	+	{
452	+	XEvent e;
453	+	do {
454	+	XMaskEvent(x_display, StructureNotifyMask, &e);
455	+	} while ((e.type != MapNotify) \|\| (e.xmap.event != w));
456	+	}
457	+
458	+	static void wait_unmapped(Window w)
459	+	{
460	+	XEvent e;
461	+	do {
462	+	XMaskEvent(x_display, StructureNotifyMask, &e);
463	+	} while ((e.type != UnmapNotify) \|\| (e.xmap.event != w));
464	+	}
465	+
466	+	// Disable mouse acceleration
467	+	static void disable_mouse_accel(void)
468	+	{
469	+	XChangePointerControl(x_display, True, False, 1, 1, 0);
470	+	}
471	+
472	+	// Restore mouse acceleration to original value
473	+	static void restore_mouse_accel(void)
474	+	{
475	+	XChangePointerControl(x_display, True, True, orig_accel_numer, orig_accel_denom, orig_threshold);
476	+	}
477	+
478		// Trap SHM errors
479		static bool shm_error = false;
480		static int (old_error_handler)(Display , XErrorEvent *);
#	Line 157 \| Line 497 \| static bool open_window(int width, int h
497		// Set absolute mouse mode
498		ADBSetRelMouseMode(false);
499
160	–	// Read frame skip prefs
161	–	frame_skip = PrefsFindInt32("frameskip");
162	–	if (frame_skip == 0)
163	–	frame_skip = 1;
164	–
500		// Create window
501		XSetWindowAttributes wattr;
502		wattr.event_mask = eventmask = win_eventmask;
503	<	wattr.background_pixel = black_pixel;
504	<	wattr.border_pixel = black_pixel;
503	>	wattr.background_pixel = (vis == DefaultVisual(x_display, screen) ? black_pixel : 0);
504	>	wattr.border_pixel = 0;
505		wattr.backing_store = NotUseful;
506	<
172	<	XSync(x_display, false);
506	>	wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
507		the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
508	<	InputOutput, vis, CWEventMask \| CWBackPixel \| CWBorderPixel \| CWBackingStore, &wattr);
175	<	XSync(x_display, false);
176	<	XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE));
177	<	XMapRaised(x_display, the_win);
178	<	XSync(x_display, false);
508	>	InputOutput, vis, CWEventMask \| CWBackPixel \| CWBorderPixel \| CWBackingStore \| CWColormap, &wattr);
509
510	<	// Set colormap
511	<	if (depth == 8) {
512	<	XSetWindowColormap(x_display, the_win, cmap[0]);
513	<	XSetWMColormapWindows(x_display, the_win, &the_win, 1);
514	<	}
510	>	// Set window name/class
511	>	set_window_name(the_win, STR_WINDOW_TITLE);
512	>
513	>	// Indicate that we want keyboard input
514	>	set_window_focus(the_win);
515	>
516	>	// Set delete protocol property
517	>	set_window_delete_protocol(the_win);
518
519		// Make window unresizable
520		XSizeHints *hints;
#	Line 195 \| Line 528 \| static bool open_window(int width, int h
528		XFree((char *)hints);
529		}
530
531	+	// Show window
532	+	XMapWindow(x_display, the_win);
533	+	wait_mapped(the_win);
534	+
535	+	// 1-bit mode is big-endian; if the X server is little-endian, we can't
536	+	// use SHM because that doesn't allow changing the image byte order
537	+	bool need_msb_image = (depth == 1 && XImageByteOrder(x_display) == LSBFirst);
538	+
539		// Try to create and attach SHM image
540		have_shm = false;
541	<	if (depth != 1 && XShmQueryExtension(x_display)) {
541	>	if (local_X11 && !need_msb_image && XShmQueryExtension(x_display)) {
542
543		// Create SHM image ("height + 2" for safety)
544	<	img = XShmCreateImage(x_display, vis, depth, depth == 1 ? XYBitmap : ZPixmap, 0, &shminfo, width, height);
545	<	shminfo.shmid = shmget(IPC_PRIVATE, (height + 2) * img->bytes_per_line, IPC_CREAT \| 0777);
544	>	img = XShmCreateImage(x_display, vis, depth == 1 ? 1 : xdepth, depth == 1 ? XYBitmap : ZPixmap, 0, &shminfo, width, height);
545	>	shminfo.shmid = shmget(IPC_PRIVATE, (aligned_height + 2) * img->bytes_per_line, IPC_CREAT \| 0777);
546	>	D(bug(" shm image created\n"));
547		the_buffer_copy = (uint8 *)shmat(shminfo.shmid, 0, 0);
548		shminfo.shmaddr = img->data = (char *)the_buffer_copy;
549		shminfo.readOnly = False;
#	Line 220 \| Line 562 \| static bool open_window(int width, int h
562		have_shm = true;
563		shmctl(shminfo.shmid, IPC_RMID, 0);
564		}
565	+	D(bug(" shm image attached\n"));
566		}
567
568		// Create normal X image if SHM doesn't work ("height + 2" for safety)
569		if (!have_shm) {
570	<	int bytes_per_row = aligned_width;
228	<	switch (depth) {
229	<	case 1:
230	<	bytes_per_row /= 8;
231	<	break;
232	<	case 15:
233	<	case 16:
234	<	bytes_per_row *= 2;
235	<	break;
236	<	case 24:
237	<	case 32:
238	<	bytes_per_row *= 4;
239	<	break;
240	<	}
570	>	int bytes_per_row = depth == 1 ? aligned_width/8 : TrivialBytesPerRow(aligned_width, DepthModeForPixelDepth(xdepth));
571		the_buffer_copy = (uint8 )malloc((aligned_height + 2) bytes_per_row);
572		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);
573	+	D(bug(" X image created\n"));
574		}
575
576		// 1-Bit mode is big-endian
577	<	if (depth == 1) {
577	>	if (need_msb_image) {
578		img->byte_order = MSBFirst;
579		img->bitmap_bit_order = MSBFirst;
580		}
#	Line 261 \| Line 592 \| static bool open_window(int width, int h
592		the_buffer = (uint8 )malloc((aligned_height + 2) img->bytes_per_line);
593		D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
594		#endif
595	<	screen_base = (uint32)the_buffer;
595	>	screen_base = Host2MacAddr(the_buffer);
596
597		// Create GC
598		the_gc = XCreateGC(x_display, the_win, 0, 0);
599	<	XSetForeground(x_display, the_gc, black_pixel);
599	>	XSetState(x_display, the_gc, black_pixel, white_pixel, GXcopy, AllPlanes);
600
601		// Create cursor
602	<	cursor_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 4, 16, 16, 16, 2);
603	<	cursor_image->byte_order = MSBFirst;
604	<	cursor_image->bitmap_bit_order = MSBFirst;
605	<	cursor_mask_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 36, 16, 16, 16, 2);
606	<	cursor_mask_image->byte_order = MSBFirst;
607	<	cursor_mask_image->bitmap_bit_order = MSBFirst;
608	<	cursor_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
609	<	cursor_mask_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
610	<	cursor_gc = XCreateGC(x_display, cursor_map, 0, 0);
611	<	cursor_mask_gc = XCreateGC(x_display, cursor_mask_map, 0, 0);
612	<	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, 0, 0);
613	<	cursor_changed = false;
602	>	if (hw_mac_cursor_accl) {
603	>	cursor_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 4, 16, 16, 16, 2);
604	>	cursor_image->byte_order = MSBFirst;
605	>	cursor_image->bitmap_bit_order = MSBFirst;
606	>	cursor_mask_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 36, 16, 16, 16, 2);
607	>	cursor_mask_image->byte_order = MSBFirst;
608	>	cursor_mask_image->bitmap_bit_order = MSBFirst;
609	>	cursor_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
610	>	cursor_mask_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
611	>	cursor_gc = XCreateGC(x_display, cursor_map, 0, 0);
612	>	cursor_mask_gc = XCreateGC(x_display, cursor_mask_map, 0, 0);
613	>	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, 0, 0);
614	>	cursor_changed = false;
615	>	}
616	>
617	>	// Create no_cursor
618	>	else {
619	>	mac_cursor = XCreatePixmapCursor(x_display,
620	>	XCreatePixmap(x_display, the_win, 1, 1, 1),
621	>	XCreatePixmap(x_display, the_win, 1, 1, 1),
622	>	&black, &white, 0, 0);
623	>	XDefineCursor(x_display, the_win, mac_cursor);
624	>	}
625
626		// Init blitting routines
627		bool native_byte_order;
#	Line 289 \| Line 631 \| static bool open_window(int width, int h
631		native_byte_order = (XImageByteOrder(x_display) == LSBFirst);
632		#endif
633		#ifdef ENABLE_VOSF
634	<	Screen_blitter_init(&visualInfo, native_byte_order, depth);
634	>	Screen_blitter_init(visualFormat, native_byte_order, depth);
635		#endif
636
637		// Set bytes per row
296	–	VModes[cur_mode].viRowBytes = img->bytes_per_line;
638		XSync(x_display, false);
639		return true;
640		}
641
642	<	// Open DGA display (!! should use X11 VidMode extensions to set mode)
643	<	static bool open_dga(int width, int height)
642	>	// Open FBDev DGA display
643	>	static bool open_fbdev_dga(int width, int height)
644		{
645	+	#ifdef ENABLE_FBDEV_DGA
646	+	#ifdef ENABLE_XF86_VIDMODE
647	+	// Switch to best mode
648	+	if (has_vidmode) {
649	+	int best = -1;
650	+	for (int i = 0; i < num_x_video_modes; i++) {
651	+	if (x_video_modes[i]->hdisplay == width && x_video_modes[i]->vdisplay == height) {
652	+	best = i;
653	+	break;
654	+	}
655	+	};
656	+	assert(best != -1);
657	+	XF86VidModeSwitchToMode(x_display, screen, x_video_modes[best]);
658	+	XF86VidModeSetViewPort(x_display, screen, 0, 0);
659	+	D(bug("[fbdev] VideoMode %d: %d x %d @ %d\n", best,
660	+	x_video_modes[best]->hdisplay, x_video_modes[best]->vdisplay,
661	+	1000 * x_video_modes[best]->dotclock / (x_video_modes[best]->htotal * x_video_modes[best]->vtotal)));
662	+	}
663	+	#endif
664	+
665	+	if (ioctl(fb_dev_fd, FBIOGET_FSCREENINFO, &fb_finfo) != 0) {
666	+	D(bug("[fbdev] Can't get FSCREENINFO: %s\n", strerror(errno)));
667	+	return false;
668	+	}
669	+	D(bug("[fbdev] Device ID: %s\n", fb_finfo.id));
670	+	D(bug("[fbdev] smem_start: %p [%d bytes]\n", fb_finfo.smem_start, fb_finfo.smem_len));
671	+
672	+	int fb_type = fb_finfo.type;
673	+	const char *fb_type_str = NULL;
674	+	switch (fb_type) {
675	+	case FB_TYPE_PACKED_PIXELS: fb_type_str = "Packed Pixels"; break;
676	+	case FB_TYPE_PLANES: fb_type_str = "Non interleaved planes"; break;
677	+	case FB_TYPE_INTERLEAVED_PLANES: fb_type_str = "Interleaved planes"; break;
678	+	case FB_TYPE_TEXT: fb_type_str = "Text/attributes"; break;
679	+	case FB_TYPE_VGA_PLANES: fb_type_str = "EGA/VGA planes"; break;
680	+	default: fb_type_str = "<unknown>"; break;
681	+	}
682	+	D(bug("[fbdev] type: %s\n", fb_type_str));
683	+
684	+	if (fb_type != FB_TYPE_PACKED_PIXELS) {
685	+	D(bug("[fbdev] type '%s' not supported\n", fb_type_str));
686	+	return false;
687	+	}
688	+
689	+	int fb_visual = fb_finfo.visual;
690	+	const char *fb_visual_str;
691	+	switch (fb_visual) {
692	+	case FB_VISUAL_MONO01: fb_visual_str = "Monochrome 1=Black 0=White"; break;
693	+	case FB_VISUAL_MONO10: fb_visual_str = "Monochrome 1=While 0=Black"; break;
694	+	case FB_VISUAL_TRUECOLOR: fb_visual_str = "True color"; break;
695	+	case FB_VISUAL_PSEUDOCOLOR: fb_visual_str = "Pseudo color (like atari)"; break;
696	+	case FB_VISUAL_DIRECTCOLOR: fb_visual_str = "Direct color"; break;
697	+	case FB_VISUAL_STATIC_PSEUDOCOLOR: fb_visual_str = "Pseudo color readonly"; break;
698	+	default: fb_visual_str = "<unknown>"; break;
699	+	}
700	+	D(bug("[fbdev] visual: %s\n", fb_visual_str));
701	+
702	+	if (fb_visual != FB_VISUAL_TRUECOLOR && fb_visual != FB_VISUAL_DIRECTCOLOR) {
703	+	D(bug("[fbdev] visual '%s' not supported\n", fb_visual_str));
704	+	return false;
705	+	}
706	+
707	+	// Map frame buffer
708	+	the_buffer = (uint8 *)mmap(NULL, fb_finfo.smem_len, PROT_READ \| PROT_WRITE, MAP_SHARED, fb_dev_fd, 0);
709	+	if (the_buffer == MAP_FAILED) {
710	+	D(bug("[fbdev] Can't mmap /dev/fb0: %s\n", strerror(errno)));
711	+	return false;
712	+	}
713	+
714	+	// Set absolute mouse mode
715	+	ADBSetRelMouseMode(false);
716	+
717	+	// Create window
718	+	XSetWindowAttributes wattr;
719	+	wattr.event_mask = eventmask = dga_eventmask;
720	+	wattr.override_redirect = True;
721	+	the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
722	+	InputOutput, DefaultVisual(x_display, screen),
723	+	CWEventMask \| CWOverrideRedirect, &wattr);
724	+
725	+	// Show window
726	+	XMapRaised(x_display, the_win);
727	+	wait_mapped(the_win);
728	+
729	+	// Grab mouse and keyboard
730	+	XGrabKeyboard(x_display, the_win, True,
731	+	GrabModeAsync, GrabModeAsync, CurrentTime);
732	+	XGrabPointer(x_display, the_win, True,
733	+	PointerMotionMask \| ButtonPressMask \| ButtonReleaseMask,
734	+	GrabModeAsync, GrabModeAsync, the_win, None, CurrentTime);
735	+	disable_mouse_accel();
736	+
737	+	// Create no_cursor
738	+	mac_cursor = XCreatePixmapCursor(x_display,
739	+	XCreatePixmap(x_display, the_win, 1, 1, 1),
740	+	XCreatePixmap(x_display, the_win, 1, 1, 1),
741	+	&black, &white, 0, 0);
742	+	XDefineCursor(x_display, the_win, mac_cursor);
743	+
744	+	// Init blitting routines
745	+	int bytes_per_row = TrivialBytesPerRow((width + 7) & ~7, DepthModeForPixelDepth(depth));
746	+	#if ENABLE_VOSF
747	+	// Extract current screen color masks (we are in True Color mode)
748	+	VisualFormat visualFormat;
749	+	visualFormat.depth = xdepth = DefaultDepth(x_display, screen);
750	+	XMatchVisualInfo(x_display, screen, xdepth, TrueColor, &visualInfo);
751	+	assert(visualFormat.depth == visualInfo.depth);
752	+	visualFormat.Rmask = visualInfo.red_mask;
753	+	visualFormat.Gmask = visualInfo.green_mask;
754	+	visualFormat.Bmask = visualInfo.blue_mask;
755	+	D(bug("[fbdev] %d bpp, (%08x,%08x,%08x)\n",
756	+	visualFormat.depth,
757	+	visualFormat.Rmask, visualFormat.Gmask, visualFormat.Bmask));
758	+	D(bug("[fbdev] Mac depth %d bpp\n", depth));
759	+
760	+	// Screen_blitter_init() returns TRUE if VOSF is mandatory
761	+	// i.e. the framebuffer update function is not Blit_Copy_Raw
762	+	#ifdef WORDS_BIGENDIAN
763	+	const bool native_byte_order = (XImageByteOrder(x_display) == MSBFirst);
764	+	#else
765	+	const bool native_byte_order = (XImageByteOrder(x_display) == LSBFirst);
766	+	#endif
767	+	Screen_blitter_init(visualFormat, native_byte_order, depth);
768	+
769	+	// Allocate memory for frame buffer (SIZE is extended to page-boundary)
770	+	use_vosf = true;
771	+	the_host_buffer = the_buffer;
772	+	the_buffer_size = page_extend((height + 2) * bytes_per_row);
773	+	the_buffer_copy = (uint8 *)malloc(the_buffer_size);
774	+	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
775	+	D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
776	+	#endif
777	+
778	+	// Set frame buffer base
779	+	D(bug("the_buffer = %p, use_vosf = %d\n", the_buffer, use_vosf));
780	+	screen_base = Host2MacAddr(the_buffer);
781	+	VModes[cur_mode].viRowBytes = bytes_per_row;
782	+	return true;
783	+	#else
784	+	ErrorAlert("SheepShaver has been compiled with DGA support disabled.");
785	+	return false;
786	+	#endif
787	+	}
788	+
789	+	// Open XF86 DGA display (!! should use X11 VidMode extensions to set mode)
790	+	static bool open_xf86_dga(int width, int height)
791	+	{
792	+	if (is_fbdev_dga_mode)
793	+	return false;
794	+
795		#ifdef ENABLE_XF86_DGA
796		// Set relative mouse mode
797		ADBSetRelMouseMode(true);
798
799	+	// Create window
800	+	XSetWindowAttributes wattr;
801	+	wattr.event_mask = eventmask = dga_eventmask;
802	+	wattr.override_redirect = True;
803	+	wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
804	+	the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
805	+	InputOutput, vis, CWEventMask \| CWOverrideRedirect \|
806	+	(color_class == DirectColor ? CWColormap : 0), &wattr);
807	+
808	+	// Show window
809	+	XMapRaised(x_display, the_win);
810	+	wait_mapped(the_win);
811	+
812		#ifdef ENABLE_XF86_VIDMODE
813		// Switch to best mode
814		if (has_vidmode) {
#	Line 321 \| Line 825 \| static bool open_dga(int width, int heig
825		#endif
826
827		// Establish direct screen connection
828	+	XMoveResizeWindow(x_display, the_win, 0, 0, width, height);
829	+	XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0);
830		XGrabKeyboard(x_display, rootwin, True, GrabModeAsync, GrabModeAsync, CurrentTime);
831		XGrabPointer(x_display, rootwin, True, PointerMotionMask \| ButtonPressMask \| ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
832	+
833	+	int v_width, v_bank, v_size;
834	+	XF86DGAGetVideo(x_display, screen, (char **)&the_buffer, &v_width, &v_bank, &v_size);
835		XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics \| XF86DGADirectKeyb \| XF86DGADirectMouse);
836		XF86DGASetViewPort(x_display, screen, 0, 0);
837		XF86DGASetVidPage(x_display, screen, 0);
838
839		// Set colormap
840	<	if (depth == 8)
840	>	if (!IsDirectMode(get_current_mode())) {
841	>	XSetWindowColormap(x_display, the_win, cmap[current_dga_cmap = 0]);
842		XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
333	–
334	–	// Set bytes per row
335	–	int bytes_per_row = (dga_fb_width + 7) & ~7;
336	–	switch (depth) {
337	–	case 15:
338	–	case 16:
339	–	bytes_per_row *= 2;
340	–	break;
341	–	case 24:
342	–	case 32:
343	–	bytes_per_row *= 4;
344	–	break;
843		}
844	+	XSync(x_display, false);
845
846	+	// Init blitting routines
847	+	int bytes_per_row = TrivialBytesPerRow((v_width + 7) & ~7, DepthModeForPixelDepth(depth));
848		#if ENABLE_VOSF
849		bool native_byte_order;
850		#ifdef WORDS_BIGENDIAN
#	Line 354 \| Line 855 \| static bool open_dga(int width, int heig
855		#if REAL_ADDRESSING \|\| DIRECT_ADDRESSING
856		// Screen_blitter_init() returns TRUE if VOSF is mandatory
857		// i.e. the framebuffer update function is not Blit_Copy_Raw
858	<	use_vosf = Screen_blitter_init(&visualInfo, native_byte_order, depth);
858	>	use_vosf = Screen_blitter_init(visualFormat, native_byte_order, depth);
859
860		if (use_vosf) {
861		// Allocate memory for frame buffer (SIZE is extended to page-boundary)
#	Line 362 \| Line 863 \| static bool open_dga(int width, int heig
863		the_buffer_size = page_extend((height + 2) * bytes_per_row);
864		the_buffer_copy = (uint8 *)malloc(the_buffer_size);
865		the_buffer = (uint8 *)vm_acquire(the_buffer_size);
866	+	D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
867		}
868		#else
869		use_vosf = false;
368	–	the_buffer = dga_screen_base;
870		#endif
871		#endif
371	–	screen_base = (uint32)the_buffer;
872
873	+	// Set frame buffer base
874	+	D(bug("the_buffer = %p, use_vosf = %d\n", the_buffer, use_vosf));
875	+	screen_base = Host2MacAddr(the_buffer);
876		VModes[cur_mode].viRowBytes = bytes_per_row;
374	–	XSync(x_display, false);
877		return true;
878		#else
879		ErrorAlert("SheepShaver has been compiled with DGA support disabled.");
#	Line 379 \| Line 881 \| static bool open_dga(int width, int heig
881		#endif
882		}
883
884	+	// Open DGA display
885	+	static bool open_dga(int width, int height)
886	+	{
887	+	bool display_open;
888	+
889	+	display_open = open_xf86_dga(width, height);
890	+	#ifdef ENABLE_FBDEV_DGA
891	+	// Try to fallback to FBDev DGA mode
892	+	if (!display_open) {
893	+	is_fbdev_dga_mode = true;
894	+	display_open = open_fbdev_dga(width, height);
895	+	}
896	+	#endif
897	+
898	+	// Common DGA display initialization
899	+	if (display_open) {
900	+
901	+	// Fake image to get display bounds in the refresh function
902	+	if ((img = (XImage )malloc(sizeof(img))) == NULL)
903	+	return false;
904	+	img->width = DisplayWidth(x_display, screen);
905	+	img->height = DisplayHeight(x_display, screen);
906	+	img->depth = is_fbdev_dga_mode ? xdepth : depth;
907	+	img->bytes_per_line = TrivialBytesPerRow(img->width, DepthModeForPixelDepth(img->depth));
908	+	}
909	+
910	+	return display_open;
911	+	}
912	+
913		static bool open_display(void)
914		{
915	<	display_type = VModes[cur_mode].viType;
916	<	switch (VModes[cur_mode].viAppleMode) {
917	<	case APPLE_1_BIT:
918	<	depth = 1;
919	<	break;
920	<	case APPLE_2_BIT:
921	<	depth = 2;
922	<	break;
923	<	case APPLE_4_BIT:
924	<	depth = 4;
394	<	break;
395	<	case APPLE_8_BIT:
396	<	depth = 8;
397	<	break;
398	<	case APPLE_16_BIT:
399	<	depth = xdepth == 15 ? 15 : 16;
400	<	break;
401	<	case APPLE_32_BIT:
402	<	depth = 32;
403	<	break;
915	>	D(bug("open_display()\n"));
916	>	const VideoInfo &mode = VModes[cur_mode];
917	>
918	>	// Get original mouse acceleration
919	>	XGetPointerControl(x_display, &orig_accel_numer, &orig_accel_denom, &orig_threshold);
920	>
921	>	// Find best available X visual
922	>	if (!find_visual_for_depth(mode.viAppleMode)) {
923	>	ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
924	>	return false;
925		}
926
927	<	bool display_open = false;
928	<	if (display_type == DIS_SCREEN)
927	>	// Build up visualFormat structure
928	>	visualFormat.fullscreen = (display_type == DIS_SCREEN);
929	>	visualFormat.depth = visualInfo.depth;
930	>	visualFormat.Rmask = visualInfo.red_mask;
931	>	visualFormat.Gmask = visualInfo.green_mask;
932	>	visualFormat.Bmask = visualInfo.blue_mask;
933	>
934	>	// Create color maps
935	>	if (color_class == PseudoColor \|\| color_class == DirectColor) {
936	>	cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll);
937	>	cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll);
938	>	} else {
939	>	cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocNone);
940	>	cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocNone);
941	>	}
942	>
943	>	// Find pixel format of direct modes
944	>	if (color_class == DirectColor \|\| color_class == TrueColor) {
945	>	rshift = gshift = bshift = 0;
946	>	rloss = gloss = bloss = 8;
947	>	uint32 mask;
948	>	for (mask=vis->red_mask; !(mask&1); mask>>=1)
949	>	++rshift;
950	>	for (; mask&1; mask>>=1)
951	>	--rloss;
952	>	for (mask=vis->green_mask; !(mask&1); mask>>=1)
953	>	++gshift;
954	>	for (; mask&1; mask>>=1)
955	>	--gloss;
956	>	for (mask=vis->blue_mask; !(mask&1); mask>>=1)
957	>	++bshift;
958	>	for (; mask&1; mask>>=1)
959	>	--bloss;
960	>	}
961	>
962	>	// Preset palette pixel values for CLUT or gamma table
963	>	if (color_class == DirectColor) {
964	>	int num = vis->map_entries;
965	>	for (int i=0; i<num; i++) {
966	>	int c = (i * 256) / num;
967	>	x_palette[i].pixel = map_rgb(c, c, c);
968	>	x_palette[i].flags = DoRed \| DoGreen \| DoBlue;
969	>	}
970	>	} else if (color_class == PseudoColor) {
971	>	for (int i=0; i<256; i++) {
972	>	x_palette[i].pixel = i;
973	>	x_palette[i].flags = DoRed \| DoGreen \| DoBlue;
974	>	}
975	>	}
976	>
977	>	// Load gray ramp to color map
978	>	int num = (color_class == DirectColor ? vis->map_entries : 256);
979	>	for (int i=0; i<num; i++) {
980	>	int c = (i * 256) / num;
981	>	x_palette[i].red = c * 0x0101;
982	>	x_palette[i].green = c * 0x0101;
983	>	x_palette[i].blue = c * 0x0101;
984	>	}
985	>	if (color_class == PseudoColor \|\| color_class == DirectColor) {
986	>	XStoreColors(x_display, cmap[0], x_palette, num);
987	>	XStoreColors(x_display, cmap[1], x_palette, num);
988	>	}
989	>
990	>	#ifdef ENABLE_VOSF
991	>	// Load gray ramp to 8->16/32 expand map
992	>	if (!IsDirectMode(get_current_mode()) && xdepth > 8)
993	>	for (int i=0; i<256; i++)
994	>	ExpandMap[i] = map_rgb(i, i, i);
995	>	#endif
996	>
997	>	// Create display of requested type
998	>	display_type = mode.viType;
999	>	depth = depth_of_video_mode(mode.viAppleMode);
1000	>
1001	>	bool display_open;
1002	>	switch (display_type) {
1003	>	case DIS_SCREEN:
1004		display_open = open_dga(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
1005	<	else if (display_type == DIS_WINDOW)
1005	>	break;
1006	>	case DIS_WINDOW:
1007		display_open = open_window(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
1008	+	break;
1009	+	default:
1010	+	display_open = false;
1011	+	break;
1012	+	}
1013
1014		#ifdef ENABLE_VOSF
1015		if (use_vosf) {
1016		// Initialize the VOSF system
1017	+	LOCK_VOSF;
1018		if (!video_vosf_init()) {
1019		ErrorAlert(GetString(STR_VOSF_INIT_ERR));
1020	+	UNLOCK_VOSF;
1021		return false;
1022		}
1023	+	UNLOCK_VOSF;
1024		}
1025		#endif
1026	<
1026	>
1027	>	// Zero screen buffers, viRowBytes is initialized at this stage
1028	>	if (display_open) {
1029	>	memset(the_buffer, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
1030	>	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
1031	>	}
1032		return display_open;
1033		}
1034
#	Line 450 \| Line 1060 \| static void close_window(void)
1060		if (the_gc)
1061		XFreeGC(x_display, the_gc);
1062
1063	<	// Close window
1064	<	XDestroyWindow(x_display, the_win);
1063	>	XFlush(x_display);
1064	>	XSync(x_display, false);
1065		}
1066
1067	<	// Close DGA mode
1068	<	static void close_dga(void)
1067	>	// Close FBDev mode
1068	>	static void close_fbdev_dga(void)
1069	>	{
1070	>	#ifdef ENABLE_FBDEV_DGA
1071	>	uint8 *fb_base;
1072	>	if (!use_vosf)
1073	>	fb_base = the_buffer;
1074	>	#ifdef ENABLE_VOSF
1075	>	else
1076	>	fb_base = the_host_buffer;
1077	>	#endif
1078	>	munmap(fb_base, fb_finfo.smem_len);
1079	>	#endif
1080	>	}
1081	>
1082	>	// Close XF86 DGA mode
1083	>	static void close_xf86_dga(void)
1084		{
1085		#ifdef ENABLE_XF86_DGA
1086		XF86DGADirectVideo(x_display, screen, 0);
1087	+	#endif
1088	+	}
1089	+
1090	+	// Close DGA mode
1091	+	static void close_dga(void)
1092	+	{
1093	+	if (is_fbdev_dga_mode)
1094	+	close_fbdev_dga();
1095	+	else
1096	+	close_xf86_dga();
1097	+
1098		XUngrabPointer(x_display, CurrentTime);
1099		XUngrabKeyboard(x_display, CurrentTime);
464	–	#endif
1100
1101		#ifdef ENABLE_XF86_VIDMODE
1102		if (has_vidmode)
1103		XF86VidModeSwitchToMode(x_display, screen, x_video_modes[0]);
1104		#endif
1105
1106	+	// Release fake image (it's not a normal XImage!)
1107	+	free(img);
1108	+	img = NULL;
1109	+
1110		if (!use_vosf) {
1111		// don't free() the screen buffer in driver_base dtor
1112		the_buffer = NULL;
#	Line 487 \| Line 1126 \| static void close_display(void)
1126		else if (display_type == DIS_WINDOW)
1127		close_window();
1128
1129	+	// Close window
1130	+	if (the_win) {
1131	+	XUnmapWindow(x_display, the_win);
1132	+	wait_unmapped(the_win);
1133	+	XDestroyWindow(x_display, the_win);
1134	+	}
1135	+
1136	+	// Free colormaps
1137	+	if (cmap[0]) {
1138	+	XFreeColormap(x_display, cmap[0]);
1139	+	cmap[0] = 0;
1140	+	}
1141	+	if (cmap[1]) {
1142	+	XFreeColormap(x_display, cmap[1]);
1143	+	cmap[1] = 0;
1144	+	}
1145	+
1146		#ifdef ENABLE_VOSF
1147		if (use_vosf) {
1148		// Deinitialize VOSF
#	Line 521 \| Line 1177 \| static void close_display(void)
1177		}
1178		}
1179		#endif
1180	+
1181	+	// Restore mouse acceleration
1182	+	restore_mouse_accel();
1183		}
1184
1185
#	Line 528 \| Line 1187 \| static void close_display(void)
1187		* Initialization
1188		*/
1189
1190	<	static void add_mode(VideoInfo *&p, uint32 allow, uint32 test, long apple_mode, long apple_id, int type)
1190	>	// Init keycode translation table
1191	>	static void keycode_init(void)
1192	>	{
1193	>	bool use_kc = PrefsFindBool("keycodes");
1194	>	if (use_kc) {
1195	>
1196	>	// Get keycode file path from preferences
1197	>	const char *kc_path = PrefsFindString("keycodefile");
1198	>
1199	>	// Open keycode table
1200	>	FILE *f = fopen(kc_path ? kc_path : KEYCODE_FILE_NAME, "r");
1201	>	if (f == NULL) {
1202	>	char str[256];
1203	>	sprintf(str, GetString(STR_KEYCODE_FILE_WARN), kc_path ? kc_path : KEYCODE_FILE_NAME, strerror(errno));
1204	>	WarningAlert(str);
1205	>	return;
1206	>	}
1207	>
1208	>	// Default translation table
1209	>	for (int i=0; i<256; i++)
1210	>	keycode_table[i] = -1;
1211	>
1212	>	// Search for server vendor string, then read keycodes
1213	>	const char *vendor = ServerVendor(x_display);
1214	>	// Force use of MacX mappings on MacOS X with Apple's X server
1215	>	int dummy;
1216	>	if (XQueryExtension(x_display, "Apple-DRI", &dummy, &dummy, &dummy))
1217	>	vendor = "MacX";
1218	>	bool vendor_found = false;
1219	>	char line[256];
1220	>	while (fgets(line, 255, f)) {
1221	>	// Read line
1222	>	int len = strlen(line);
1223	>	if (len == 0)
1224	>	continue;
1225	>	line[len-1] = 0;
1226	>
1227	>	// Comments begin with "#" or ";"
1228	>	if (line[0] == '#' \|\| line[0] == ';' \|\| line[0] == 0)
1229	>	continue;
1230	>
1231	>	if (vendor_found) {
1232	>	// Read keycode
1233	>	int x_code, mac_code;
1234	>	if (sscanf(line, "%d %d", &x_code, &mac_code) == 2)
1235	>	keycode_table[x_code & 0xff] = mac_code;
1236	>	else
1237	>	break;
1238	>	} else {
1239	>	// Search for vendor string
1240	>	if (strstr(vendor, line) == vendor)
1241	>	vendor_found = true;
1242	>	}
1243	>	}
1244	>
1245	>	// Keycode file completely read
1246	>	fclose(f);
1247	>	use_keycodes = vendor_found;
1248	>
1249	>	// Vendor not found? Then display warning
1250	>	if (!vendor_found) {
1251	>	char str[256];
1252	>	sprintf(str, GetString(STR_KEYCODE_VENDOR_WARN), vendor, kc_path ? kc_path : KEYCODE_FILE_NAME);
1253	>	WarningAlert(str);
1254	>	return;
1255	>	}
1256	>	}
1257	>	}
1258	>
1259	>	// Find Apple mode matching best specified dimensions
1260	>	static int find_apple_resolution(int xsize, int ysize)
1261	>	{
1262	>	int apple_id;
1263	>	if (xsize < 800)
1264	>	apple_id = APPLE_640x480;
1265	>	else if (xsize < 1024)
1266	>	apple_id = APPLE_800x600;
1267	>	else if (xsize < 1152)
1268	>	apple_id = APPLE_1024x768;
1269	>	else if (xsize < 1280) {
1270	>	if (ysize < 900)
1271	>	apple_id = APPLE_1152x768;
1272	>	else
1273	>	apple_id = APPLE_1152x900;
1274	>	}
1275	>	else if (xsize < 1600)
1276	>	apple_id = APPLE_1280x1024;
1277	>	else
1278	>	apple_id = APPLE_1600x1200;
1279	>	return apple_id;
1280	>	}
1281	>
1282	>	// Find mode in list of supported modes
1283	>	static int find_mode(int apple_mode, int apple_id, int type)
1284	>	{
1285	>	for (VideoInfo *p = VModes; p->viType != DIS_INVALID; p++) {
1286	>	if (p->viType == type && p->viAppleID == apple_id && p->viAppleMode == apple_mode)
1287	>	return p - VModes;
1288	>	}
1289	>	return -1;
1290	>	}
1291	>
1292	>	// Add custom video mode
1293	>	static void add_custom_mode(VideoInfo *&p, int type, uint32 x, uint32 y, int apple_mode, int apple_id)
1294	>	{
1295	>	p->viType = type;
1296	>	p->viXsize = x;
1297	>	p->viYsize = y;
1298	>	p->viRowBytes = TrivialBytesPerRow(p->viXsize, apple_mode);
1299	>	p->viAppleMode = apple_mode;
1300	>	p->viAppleID = apple_id;
1301	>	p++;
1302	>	}
1303	>
1304	>	// Add mode to list of supported modes
1305	>	static void add_mode(VideoInfo *&p, uint32 allow, uint32 test, int apple_mode, int apple_id, int type)
1306		{
1307		if (allow & test) {
1308	<	p->viType = type;
1308	>	uint32 x = 0, y = 0;
1309		switch (apple_id) {
1310		case APPLE_W_640x480:
1311		case APPLE_640x480:
1312	<	p->viXsize = 640;
1313	<	p->viYsize = 480;
1312	>	x = 640;
1313	>	y = 480;
1314		break;
1315		case APPLE_W_800x600:
1316		case APPLE_800x600:
1317	<	p->viXsize = 800;
1318	<	p->viYsize = 600;
1317	>	x = 800;
1318	>	y = 600;
1319		break;
1320		case APPLE_1024x768:
1321	<	p->viXsize = 1024;
1322	<	p->viYsize = 768;
1321	>	x = 1024;
1322	>	y = 768;
1323	>	break;
1324	>	case APPLE_1152x768:
1325	>	x = 1152;
1326	>	y = 768;
1327		break;
1328		case APPLE_1152x900:
1329	<	p->viXsize = 1152;
1330	<	p->viYsize = 900;
1329	>	x = 1152;
1330	>	y = 900;
1331		break;
1332		case APPLE_1280x1024:
1333	<	p->viXsize = 1280;
1334	<	p->viYsize = 1024;
1333	>	x = 1280;
1334	>	y = 1024;
1335		break;
1336		case APPLE_1600x1200:
1337	<	p->viXsize = 1600;
1338	<	p->viYsize = 1200;
1337	>	x = 1600;
1338	>	y = 1200;
1339		break;
1340		}
1341	<	switch (apple_mode) {
564	<	case APPLE_8_BIT:
565	<	p->viRowBytes = p->viXsize;
566	<	break;
567	<	case APPLE_16_BIT:
568	<	p->viRowBytes = p->viXsize * 2;
569	<	break;
570	<	case APPLE_32_BIT:
571	<	p->viRowBytes = p->viXsize * 4;
572	<	break;
573	<	}
574	<	p->viAppleMode = apple_mode;
575	<	p->viAppleID = apple_id;
576	<	p++;
1341	>	add_custom_mode(p, type, x, y, apple_mode, apple_id);
1342		}
1343		}
1344
1345	+	// Add standard list of windowed modes for given color depth
1346	+	static void add_window_modes(VideoInfo *&p, int window_modes, int mode)
1347	+	{
1348	+	add_mode(p, window_modes, 1, mode, APPLE_W_640x480, DIS_WINDOW);
1349	+	add_mode(p, window_modes, 2, mode, APPLE_W_800x600, DIS_WINDOW);
1350	+	}
1351	+
1352		static bool has_mode(int x, int y)
1353		{
1354		#ifdef ENABLE_XF86_VIDMODE
1355	<	for (int i=0; i<num_x_video_modes; i++)
1356	<	if (x_video_modes[i]->hdisplay >= x && x_video_modes[i]->vdisplay >= y)
1357	<	return true;
1358	<	return false;
1359	<	#else
1360	<	return DisplayWidth(x_display, screen) >= x && DisplayHeight(x_display, screen) >= y;
1355	>	if (has_vidmode) {
1356	>	for (int i=0; i<num_x_video_modes; i++)
1357	>	if (x_video_modes[i]->hdisplay == x && x_video_modes[i]->vdisplay == y)
1358	>	return true;
1359	>	return false;
1360	>	}
1361		#endif
1362	+	return DisplayWidth(x_display, screen) >= x && DisplayHeight(x_display, screen) >= y;
1363		}
1364
1365		bool VideoInit(void)
#	Line 597 \| Line 1370 \| bool VideoInit(void)
1370		mainBuffer.pageInfo = NULL;
1371		#endif
1372
1373	+	// Check if X server runs on local machine
1374	+	local_X11 = (strncmp(XDisplayName(x_display_name), ":", 1) == 0)
1375	+	\|\| (strncmp(XDisplayName(x_display_name), "unix:", 5) == 0);
1376	+
1377	+	// Init keycode translation
1378	+	keycode_init();
1379	+
1380	+	// Read frame skip prefs
1381	+	frame_skip = PrefsFindInt32("frameskip");
1382	+	if (frame_skip == 0)
1383	+	frame_skip = 1;
1384	+
1385	+	// Read mouse wheel prefs
1386	+	mouse_wheel_mode = PrefsFindInt32("mousewheelmode");
1387	+	mouse_wheel_lines = PrefsFindInt32("mousewheellines");
1388	+
1389		// Init variables
1390		private_data = NULL;
602	–	cur_mode = 0; // Window 640x480
1391		video_activated = true;
1392
1393		// Find screen and root window
1394		screen = XDefaultScreen(x_display);
1395		rootwin = XRootWindow(x_display, screen);
1396
1397	+	// Get sorted list of available depths
1398	+	avail_depths = XListDepths(x_display, screen, &num_depths);
1399	+	if (avail_depths == NULL) {
1400	+	ErrorAlert(GetString(STR_UNSUPP_DEPTH_ERR));
1401	+	return false;
1402	+	}
1403	+	sort(avail_depths, avail_depths + num_depths);
1404	+
1405		// Get screen depth
1406		xdepth = DefaultDepth(x_display, screen);
1407
1408		#ifdef ENABLE_XF86_DGA
1409		// DGA available?
1410		int event_base, error_base;
1411	<	if (XF86DGAQueryExtension(x_display, &event_base, &error_base)) {
1411	>	is_fbdev_dga_mode = false;
1412	>	if (local_X11 && XF86DGAQueryExtension(x_display, &event_base, &error_base)) {
1413		int dga_flags = 0;
1414		XF86DGAQueryDirectVideo(x_display, screen, &dga_flags);
1415		has_dga = dga_flags & XF86DGADirectPresent;
1416	+	#if defined(__linux__)
1417	+	// Check r/w permission on /dev/mem for DGA mode to work
1418	+	if (has_dga && access("/dev/mem", R_OK \| W_OK) != 0)
1419	+	has_dga = false;
1420	+	#endif
1421		} else
1422		has_dga = false;
1423		#endif
#	Line 624 \| Line 1426 \| bool VideoInit(void)
1426		// VidMode available?
1427		int vm_event_base, vm_error_base;
1428		has_vidmode = XF86VidModeQueryExtension(x_display, &vm_event_base, &vm_error_base);
1429	<	if (has_vidmode)
1429	>	if (has_vidmode) {
1430	>	int vm_major_version, vm_minor_version;
1431	>	XF86VidModeQueryVersion(x_display, &vm_major_version, &vm_minor_version);
1432	>	D(bug("VidMode extension %d.%d available\n", vm_major_version, vm_minor_version));
1433		XF86VidModeGetAllModeLines(x_display, screen, &num_x_video_modes, &x_video_modes);
1434	+	}
1435	+	#endif
1436	+
1437	+	#ifdef ENABLE_FBDEV_DGA
1438	+	// FBDev available?
1439	+	bool has_fbdev_dga = false;
1440	+	if (local_X11) {
1441	+	if ((fb_dev_fd = open("/dev/fb0", O_RDWR)) > 0) {
1442	+	if (ioctl(fb_dev_fd, FBIOGET_VSCREENINFO, &fb_vinfo) != 0)
1443	+	close(fb_dev_fd);
1444	+	else {
1445	+	has_fbdev_dga = true;
1446	+	if (!has_dga) {
1447	+	// Fallback to FBDev DGA mode if XF86 DGA is not possible
1448	+	has_dga = true;
1449	+	is_fbdev_dga_mode = true;
1450	+	}
1451	+	fb_orig_vinfo = fb_vinfo;
1452	+	D(bug("Frame buffer device initial resolution: %dx%dx%d\n", fb_vinfo.xres, fb_vinfo.yres, fb_vinfo.bits_per_pixel));
1453	+	}
1454	+	}
1455	+	}
1456		#endif
1457
1458		// Find black and white colors
#	Line 636 \| Line 1463 \| bool VideoInit(void)
1463		black_pixel = BlackPixel(x_display, screen);
1464		white_pixel = WhitePixel(x_display, screen);
1465
639	–	// Get appropriate visual
640	–	int color_class;
641	–	switch (xdepth) {
642	–	#if 0
643	–	case 1:
644	–	color_class = StaticGray;
645	–	break;
646	–	#endif
647	–	case 8:
648	–	color_class = PseudoColor;
649	–	break;
650	–	case 15:
651	–	case 16:
652	–	case 24:
653	–	case 32:
654	–	color_class = TrueColor;
655	–	break;
656	–	default:
657	–	ErrorAlert(GetString(STR_UNSUPP_DEPTH_ERR));
658	–	return false;
659	–	}
660	–	if (!XMatchVisualInfo(x_display, screen, xdepth, color_class, &visualInfo)) {
661	–	ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
662	–	return false;
663	–	}
664	–	if (visualInfo.depth != xdepth) {
665	–	ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
666	–	return false;
667	–	}
668	–	vis = visualInfo.visual;
669	–
1466		// Mac screen depth follows X depth (for now)
1467	<	depth = xdepth;
1468	<
1469	<	// Create color maps for 8 bit mode
1470	<	if (depth == 8) {
1471	<	cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll);
1472	<	cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll);
1473	<	XInstallColormap(x_display, cmap[0]);
1474	<	XInstallColormap(x_display, cmap[1]);
1467	>	int default_mode = APPLE_8_BIT;
1468	>	switch (DefaultDepth(x_display, screen)) {
1469	>	case 1:
1470	>	default_mode = APPLE_1_BIT;
1471	>	break;
1472	>	case 8:
1473	>	default_mode = APPLE_8_BIT;
1474	>	break;
1475	>	case 15: case 16:
1476	>	default_mode = APPLE_16_BIT;
1477	>	break;
1478	>	case 24: case 32:
1479	>	default_mode = APPLE_32_BIT;
1480	>	break;
1481	>	}
1482	>
1483	>	// Get screen mode from preferences
1484	>	const char *mode_str = PrefsFindString("screen");
1485	>	int default_width = 640, default_height = 480;
1486	>	if (mode_str) {
1487	>	display_type = DIS_INVALID;
1488	>	if (sscanf(mode_str, "win/%d/%d", &default_width, &default_height) == 2)
1489	>	display_type = DIS_WINDOW;
1490	>	#ifdef ENABLE_XF86_DGA
1491	>	else if (has_dga && sscanf(mode_str, "dga/%d/%d", &default_width, &default_height) == 2)
1492	>	display_type = DIS_SCREEN;
1493	>	#endif
1494	>	#ifdef ENABLE_FBDEV_DGA
1495	>	else if (has_fbdev_dga && sscanf(mode_str, "fbdev/%d/%d", &default_width, &default_height) == 2) {
1496	>	is_fbdev_dga_mode = true;
1497	>	display_type = DIS_SCREEN;
1498	>	}
1499	>	#endif
1500	>	if (display_type == DIS_INVALID) {
1501	>	D(bug("Invalid screen mode specified, defaulting to old modes selection\n"));
1502	>	mode_str = NULL;
1503	>	}
1504	>	else {
1505	>	if (default_width <= 0)
1506	>	default_width = DisplayWidth(x_display, screen);
1507	>	else if (default_width > DisplayWidth(x_display, screen))
1508	>	default_width = DisplayWidth(x_display, screen);
1509	>	if (default_height <= 0)
1510	>	default_height = DisplayHeight(x_display, screen);
1511	>	else if (default_height > DisplayHeight(x_display, screen))
1512	>	default_height = DisplayHeight(x_display, screen);
1513	>	}
1514		}
1515
1516		// Construct video mode table
682	–	int mode = APPLE_8_BIT;
683	–	int bpr_mult = 8;
684	–	switch (depth) {
685	–	case 1:
686	–	mode = APPLE_1_BIT;
687	–	bpr_mult = 1;
688	–	break;
689	–	case 8:
690	–	mode = APPLE_8_BIT;
691	–	bpr_mult = 8;
692	–	break;
693	–	case 15:
694	–	case 16:
695	–	mode = APPLE_16_BIT;
696	–	bpr_mult = 16;
697	–	break;
698	–	case 24:
699	–	case 32:
700	–	mode = APPLE_32_BIT;
701	–	bpr_mult = 32;
702	–	break;
703	–	}
704	–
1517		uint32 window_modes = PrefsFindInt32("windowmodes");
1518		uint32 screen_modes = PrefsFindInt32("screenmodes");
1519		if (!has_dga)
1520		screen_modes = 0;
1521	<	if (window_modes == 0 && screen_modes == 0)
1521	>	if (mode_str)
1522	>	window_modes = screen_modes = 0;
1523	>	else if (window_modes == 0 && screen_modes == 0)
1524		window_modes \|= 3; // Allow at least 640x480 and 800x600 window modes
1525
1526		VideoInfo *p = VModes;
1527	<	add_mode(p, window_modes, 1, mode, APPLE_W_640x480, DIS_WINDOW);
1528	<	add_mode(p, window_modes, 2, mode, APPLE_W_800x600, DIS_WINDOW);
1529	<	if (has_vidmode) {
1527	>	if (mode_str) {
1528	>	if (display_type == DIS_WINDOW) {
1529	>	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++) {
1530	>	if (find_visual_for_depth(d)) {
1531	>	if (default_width > 640 && default_height > 480)
1532	>	add_mode(p, 3, 1, d, APPLE_W_640x480, DIS_WINDOW);
1533	>	if (default_width > 800 && default_height > 600)
1534	>	add_mode(p, 3, 2, d, APPLE_W_800x600, DIS_WINDOW);
1535	>	add_custom_mode(p, display_type, default_width, default_height, d, APPLE_CUSTOM);
1536	>	}
1537	>	}
1538	>	#ifdef ENABLE_VOSF
1539	>	} else if (display_type == DIS_SCREEN && is_fbdev_dga_mode) {
1540	>	for (unsigned int d = APPLE_1_BIT; d <= default_mode; d++)
1541	>	if (find_visual_for_depth(d))
1542	>	add_custom_mode(p, display_type, default_width, default_height, d, APPLE_CUSTOM);
1543	>	#endif
1544	>	} else
1545	>	add_custom_mode(p, display_type, default_width, default_height, default_mode, APPLE_CUSTOM);
1546	>
1547	>	// Add extra VidMode capable modes
1548	>	if (display_type == DIS_SCREEN) {
1549	>	struct {
1550	>	int w;
1551	>	int h;
1552	>	int apple_id;
1553	>	}
1554	>	video_modes[] = {
1555	>	{ 640, 480, APPLE_640x480 },
1556	>	{ 800, 600, APPLE_800x600 },
1557	>	{ 1024, 768, APPLE_1024x768 },
1558	>	{ 1152, 768, APPLE_1152x768 },
1559	>	{ 1152, 900, APPLE_1152x900 },
1560	>	{ 1280, 1024, APPLE_1280x1024 },
1561	>	{ 1600, 1200, APPLE_1600x1200 },
1562	>	{ 0, }
1563	>	};
1564	>
1565	>	for (int i = 0; video_modes[i].w != 0; i++) {
1566	>	const int w = video_modes[i].w;
1567	>	const int h = video_modes[i].h;
1568	>	if (w >= default_width \|\| h >= default_height)
1569	>	continue;
1570	>	if (has_mode(w, h)) {
1571	>	#ifdef ENABLE_VOSF
1572	>	if (is_fbdev_dga_mode) {
1573	>	for (unsigned int d = APPLE_1_BIT; d <= default_mode; d++)
1574	>	if (find_visual_for_depth(d))
1575	>	add_custom_mode(p, display_type, w, h, d, video_modes[i].apple_id);
1576	>	} else
1577	>	#endif
1578	>	add_custom_mode(p, display_type, w, h, default_mode, video_modes[i].apple_id);
1579	>	}
1580	>	}
1581	>	}
1582	>	} else if (window_modes) {
1583	>	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++)
1584	>	if (find_visual_for_depth(d))
1585	>	add_window_modes(p, window_modes, d);
1586	>	} else if (has_vidmode) {
1587		if (has_mode(640, 480))
1588	<	add_mode(p, screen_modes, 1, mode, APPLE_640x480, DIS_SCREEN);
1588	>	add_mode(p, screen_modes, 1, default_mode, APPLE_640x480, DIS_SCREEN);
1589		if (has_mode(800, 600))
1590	<	add_mode(p, screen_modes, 2, mode, APPLE_800x600, DIS_SCREEN);
1590	>	add_mode(p, screen_modes, 2, default_mode, APPLE_800x600, DIS_SCREEN);
1591		if (has_mode(1024, 768))
1592	<	add_mode(p, screen_modes, 4, mode, APPLE_1024x768, DIS_SCREEN);
1592	>	add_mode(p, screen_modes, 4, default_mode, APPLE_1024x768, DIS_SCREEN);
1593	>	if (has_mode(1152, 768))
1594	>	add_mode(p, screen_modes, 64, default_mode, APPLE_1152x768, DIS_SCREEN);
1595		if (has_mode(1152, 900))
1596	<	add_mode(p, screen_modes, 8, mode, APPLE_1152x900, DIS_SCREEN);
1596	>	add_mode(p, screen_modes, 8, default_mode, APPLE_1152x900, DIS_SCREEN);
1597		if (has_mode(1280, 1024))
1598	<	add_mode(p, screen_modes, 16, mode, APPLE_1280x1024, DIS_SCREEN);
1598	>	add_mode(p, screen_modes, 16, default_mode, APPLE_1280x1024, DIS_SCREEN);
1599		if (has_mode(1600, 1200))
1600	<	add_mode(p, screen_modes, 32, mode, APPLE_1600x1200, DIS_SCREEN);
1600	>	add_mode(p, screen_modes, 32, default_mode, APPLE_1600x1200, DIS_SCREEN);
1601		} else if (screen_modes) {
1602		int xsize = DisplayWidth(x_display, screen);
1603		int ysize = DisplayHeight(x_display, screen);
1604	<	int apple_id;
732	<	if (xsize < 800)
733	<	apple_id = APPLE_640x480;
734	<	else if (xsize < 1024)
735	<	apple_id = APPLE_800x600;
736	<	else if (xsize < 1152)
737	<	apple_id = APPLE_1024x768;
738	<	else if (xsize < 1280)
739	<	apple_id = APPLE_1152x900;
740	<	else if (xsize < 1600)
741	<	apple_id = APPLE_1280x1024;
742	<	else
743	<	apple_id = APPLE_1600x1200;
1604	>	int apple_id = find_apple_resolution(xsize, ysize);
1605		p->viType = DIS_SCREEN;
1606		p->viRowBytes = 0;
1607		p->viXsize = xsize;
1608		p->viYsize = ysize;
1609	<	p->viAppleMode = mode;
1609	>	p->viAppleMode = default_mode;
1610		p->viAppleID = apple_id;
1611		p++;
1612		}
#	Line 755 \| Line 1616 \| bool VideoInit(void)
1616		p->viAppleMode = 0;
1617		p->viAppleID = 0;
1618
1619	<	#ifdef ENABLE_XF86_DGA
1619	>	// Find default mode (window 640x480)
1620	>	cur_mode = -1;
1621		if (has_dga && screen_modes) {
1622	<	int v_bank, v_size;
1623	<	XF86DGAGetVideo(x_display, screen, &dga_screen_base, &dga_fb_width, &v_bank, &v_size);
1624	<	D(bug("DGA screen_base %p, v_width %d\n", dga_screen_base, dga_fb_width));
1622	>	int screen_width = DisplayWidth(x_display, screen);
1623	>	int screen_height = DisplayHeight(x_display, screen);
1624	>	int apple_id = find_apple_resolution(screen_width, screen_height);
1625	>	if (apple_id != -1)
1626	>	cur_mode = find_mode(default_mode, apple_id, DIS_SCREEN);
1627	>	} else if (has_dga && mode_str)
1628	>	cur_mode = find_mode(default_mode, APPLE_CUSTOM, DIS_SCREEN);
1629	>
1630	>	if (cur_mode == -1) {
1631	>	// pick up first windowed mode available
1632	>	for (VideoInfo *p = VModes; p->viType != DIS_INVALID; p++) {
1633	>	if (p->viType == DIS_WINDOW && p->viAppleMode == default_mode) {
1634	>	cur_mode = p - VModes;
1635	>	break;
1636	>	}
1637	>	}
1638	>	}
1639	>	assert(cur_mode != -1);
1640	>
1641	>	#if DEBUG
1642	>	D(bug("Available video modes:\n"));
1643	>	for (p = VModes; p->viType != DIS_INVALID; p++) {
1644	>	int bits = depth_of_video_mode(p->viAppleMode);
1645	>	D(bug(" %dx%d (ID %02x), %d colors\n", p->viXsize, p->viYsize, p->viAppleID, 1 << bits));
1646		}
1647		#endif
1648
1649		// Open window/screen
1650	<	if (!open_display())
1650	>	if (!open_display()) {
1651	>	ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
1652		return false;
1653	+	}
1654
1655		#if 0
1656		// Ignore errors from now on
1657		XSetErrorHandler(ignore_errors);
1658		#endif
1659
1660	+	// Lock down frame buffer
1661	+	XSync(x_display, false);
1662	+	LOCK_FRAME_BUFFER;
1663	+
1664		// Start periodic thread
1665		XSync(x_display, false);
1666	<	redraw_thread_active = (pthread_create(&redraw_thread, NULL, redraw_func, NULL) == 0);
1666	>	if (sem_init(&thread_stop_ack, 0, 0) < 0)
1667	>	return false;
1668	>	if (sem_init(&thread_resume_req, 0, 0) < 0)
1669	>	return false;
1670	>	Set_pthread_attr(&redraw_thread_attr, 0);
1671	>	redraw_thread_cancel = false;
1672	>	redraw_thread_active = (pthread_create(&redraw_thread, &redraw_thread_attr, redraw_func, NULL) == 0);
1673		D(bug("Redraw thread installed (%ld)\n", redraw_thread));
1674		return true;
1675		}
#	Line 788 \| Line 1683 \| void VideoExit(void)
1683		{
1684		// Stop redraw thread
1685		if (redraw_thread_active) {
1686	+	redraw_thread_cancel = true;
1687		pthread_cancel(redraw_thread);
1688		pthread_join(redraw_thread, NULL);
1689	+	sem_destroy(&thread_stop_ack);
1690	+	sem_destroy(&thread_resume_req);
1691		redraw_thread_active = false;
1692		}
1693
1694	+	// Unlock frame buffer
1695	+	UNLOCK_FRAME_BUFFER;
1696	+	XSync(x_display, false);
1697	+	D(bug(" frame buffer unlocked\n"));
1698	+
1699		#ifdef ENABLE_VOSF
1700		if (use_vosf) {
1701		// Deinitialize VOSF
#	Line 806 \| Line 1709 \| void VideoExit(void)
1709		close_display();
1710		XFlush(x_display);
1711		XSync(x_display, false);
809	–	if (depth == 8) {
810	–	XFreeColormap(x_display, cmap[0]);
811	–	XFreeColormap(x_display, cmap[1]);
812	–	}
1712		}
1713	+
1714	+	#ifdef ENABLE_FBDEV_DGA
1715	+	// Close framebuffer device
1716	+	if (fb_dev_fd >= 0) {
1717	+	close(fb_dev_fd);
1718	+	fb_dev_fd = -1;
1719	+	}
1720	+	#endif
1721		}
1722
1723
#	Line 818 \| Line 1725 \| void VideoExit(void)
1725		* Suspend/resume emulator
1726		*/
1727
821	–	extern void PauseEmulator(void);
822	–	extern void ResumeEmulator(void);
823	–
1728		static void suspend_emul(void)
1729		{
1730		if (display_type == DIS_SCREEN) {
#	Line 828 \| Line 1732 \| static void suspend_emul(void)
1732		ADBKeyUp(0x36);
1733		ctrl_down = false;
1734
1735	<	// Pause MacOS thread
1736	<	PauseEmulator();
833	<	emul_suspended = true;
1735	>	// Lock frame buffer (this will stop the MacOS thread)
1736	>	LOCK_FRAME_BUFFER;
1737
1738		// Save frame buffer
1739		fb_save = malloc(VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1740		if (fb_save)
1741	<	memcpy(fb_save, (void )screen_base, VModes[cur_mode].viYsize VModes[cur_mode].viRowBytes);
1741	>	Mac2Host_memcpy(fb_save, screen_base, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1742
1743		// Close full screen display
1744	+	#if defined(ENABLE_XF86_DGA) \|\| defined(ENABLE_FBDEV_DGA)
1745		#ifdef ENABLE_XF86_DGA
1746	<	XF86DGADirectVideo(x_display, screen, 0);
1746	>	if (!is_fbdev_dga_mode)
1747	>	XF86DGADirectVideo(x_display, screen, 0);
1748	>	#endif
1749		XUngrabPointer(x_display, CurrentTime);
1750		XUngrabKeyboard(x_display, CurrentTime);
1751		#endif
1752	+	restore_mouse_accel();
1753	+	XUnmapWindow(x_display, the_win);
1754	+	wait_unmapped(the_win);
1755		XSync(x_display, false);
1756
1757		// Open "suspend" window
1758		XSetWindowAttributes wattr;
1759		wattr.event_mask = KeyPressMask;
1760	<	wattr.background_pixel = black_pixel;
852	<	wattr.border_pixel = black_pixel;
1760	>	wattr.background_pixel = (vis == DefaultVisual(x_display, screen) ? black_pixel : 0);
1761		wattr.backing_store = Always;
1762	<	wattr.backing_planes = xdepth;
1763	<	wattr.colormap = DefaultColormap(x_display, screen);
856	<	XSync(x_display, false);
1762	>	wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
1763	>
1764		suspend_win = XCreateWindow(x_display, rootwin, 0, 0, 512, 1, 0, xdepth,
1765	<	InputOutput, vis, CWEventMask \| CWBackPixel \| CWBorderPixel \|
1766	<	CWBackingStore \| CWBackingPlanes \| (xdepth == 8 ? CWColormap : 0), &wattr);
1767	<	XSync(x_display, false);
1768	<	XStoreName(x_display, suspend_win, GetString(STR_SUSPEND_WINDOW_TITLE));
1769	<	XMapRaised(x_display, suspend_win);
863	<	XSync(x_display, false);
1765	>	InputOutput, vis, CWEventMask \| CWBackPixel \| CWBackingStore \| CWColormap, &wattr);
1766	>	set_window_name(suspend_win, STR_SUSPEND_WINDOW_TITLE);
1767	>	set_window_focus(suspend_win);
1768	>	XMapWindow(x_display, suspend_win);
1769	>	emul_suspended = true;
1770		}
1771		}
1772
#	Line 871 \| Line 1777 \| static void resume_emul(void)
1777		XSync(x_display, false);
1778
1779		// Reopen full screen display
1780	<	XGrabKeyboard(x_display, rootwin, 1, GrabModeAsync, GrabModeAsync, CurrentTime);
1781	<	XGrabPointer(x_display, rootwin, 1, PointerMotionMask \| ButtonPressMask \| ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
1782	<	XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics \| XF86DGADirectKeyb \| XF86DGADirectMouse);
1783	<	XF86DGASetViewPort(x_display, screen, 0, 0);
1780	>	XMapRaised(x_display, the_win);
1781	>	wait_mapped(the_win);
1782	>	XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0);
1783	>	Window w = is_fbdev_dga_mode ? the_win : rootwin;
1784	>	XGrabKeyboard(x_display, w, True, GrabModeAsync, GrabModeAsync, CurrentTime);
1785	>	XGrabPointer(x_display, w, True, PointerMotionMask \| ButtonPressMask \| ButtonReleaseMask, GrabModeAsync, GrabModeAsync, is_fbdev_dga_mode ? w : None, None, CurrentTime);
1786	>	disable_mouse_accel();
1787	>	#ifdef ENABLE_XF86_DGA
1788	>	if (!is_fbdev_dga_mode) {
1789	>	XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics \| XF86DGADirectKeyb \| XF86DGADirectMouse);
1790	>	XF86DGASetViewPort(x_display, screen, 0, 0);
1791	>	}
1792	>	#endif
1793		XSync(x_display, false);
1794
1795		// the_buffer already contains the data to restore. i.e. since a temporary
#	Line 884 \| Line 1799 \| static void resume_emul(void)
1799		if (use_vosf) {
1800		LOCK_VOSF;
1801		PFLAG_SET_ALL;
887	–	UNLOCK_VOSF;
1802		memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
1803	+	UNLOCK_VOSF;
1804		}
1805		#endif
1806
#	Line 895 \| Line 1810 \| static void resume_emul(void)
1810		// Don't copy fb_save to the temporary frame buffer in VOSF mode
1811		if (!use_vosf)
1812		#endif
1813	<	memcpy((void )screen_base, fb_save, VModes[cur_mode].viYsize VModes[cur_mode].viRowBytes);
1813	>	Host2Mac_memcpy(screen_base, fb_save, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1814		free(fb_save);
1815		fb_save = NULL;
1816		}
902	–	if (depth == 8)
903	–	palette_changed = true;
1817
1818	<	// Resume MacOS thread
1818	>	// Unlock frame buffer (and continue MacOS thread)
1819	>	UNLOCK_FRAME_BUFFER;
1820		emul_suspended = false;
907	–	ResumeEmulator();
1821		}
1822
1823
#	Line 1068 \| Line 1981 \| static int kc_decode(KeySym ks)
1981		return -1;
1982		}
1983
1984	<	static int event2keycode(XKeyEvent *ev)
1984	>	static int event2keycode(XKeyEvent &ev, bool key_down)
1985		{
1986		KeySym ks;
1074	–	int as;
1987		int i = 0;
1988
1989		do {
1990	<	ks = XLookupKeysym(ev, i++);
1991	<	as = kc_decode(ks);
1992	<	if (as != -1)
1990	>	ks = XLookupKeysym(&ev, i++);
1991	>	int as = kc_decode(ks);
1992	>	if (as >= 0)
1993	>	return as;
1994	>	if (as == -2)
1995		return as;
1996		} while (ks != NoSymbol);
1997
#	Line 1090 \| Line 2004 \| static void handle_events(void)
2004		for (;;) {
2005		XEvent event;
2006
2007	<	if (!XCheckMaskEvent(x_display, eventmask, &event))
2007	>	XDisplayLock();
2008	>	if (!XCheckMaskEvent(x_display, eventmask, &event)) {
2009	>	// Handle clipboard events
2010	>	if (XCheckTypedEvent(x_display, SelectionRequest, &event))
2011	>	ClipboardSelectionRequest(&event.xselectionrequest);
2012	>	else if (XCheckTypedEvent(x_display, SelectionClear, &event))
2013	>	ClipboardSelectionClear(&event.xselectionclear);
2014	>
2015	>	// Window "close" widget clicked
2016	>	else if (XCheckTypedEvent(x_display, ClientMessage, &event)) {
2017	>	if (event.xclient.format == 32 && event.xclient.data.l[0] == WM_DELETE_WINDOW) {
2018	>	ADBKeyDown(0x7f); // Power key
2019	>	ADBKeyUp(0x7f);
2020	>	}
2021	>	}
2022	>
2023	>	XDisplayUnlock();
2024		break;
2025	+	}
2026	+	XDisplayUnlock();
2027
2028		switch (event.type) {
2029		// Mouse button
#	Line 1099 \| Line 2031 \| static void handle_events(void)
2031		unsigned int button = ((XButtonEvent *)&event)->button;
2032		if (button < 4)
2033		ADBMouseDown(button - 1);
2034	+	else if (button < 6) { // Wheel mouse
2035	+	if (mouse_wheel_mode == 0) {
2036	+	int key = (button == 5) ? 0x79 : 0x74; // Page up/down
2037	+	ADBKeyDown(key);
2038	+	ADBKeyUp(key);
2039	+	} else {
2040	+	int key = (button == 5) ? 0x3d : 0x3e; // Cursor up/down
2041	+	for(int i=0; i<mouse_wheel_lines; i++) {
2042	+	ADBKeyDown(key);
2043	+	ADBKeyUp(key);
2044	+	}
2045	+	}
2046	+	}
2047		break;
2048		}
2049		case ButtonRelease: {
#	Line 1108 \| Line 2053 \| static void handle_events(void)
2053		break;
2054		}
2055
2056	<	// Mouse moved
2056	>	// Mouse entered window
2057		case EnterNotify:
2058	<	ADBMouseMoved(((XMotionEvent )&event)->x, ((XMotionEvent )&event)->y);
2058	>	if (event.xcrossing.mode != NotifyGrab && event.xcrossing.mode != NotifyUngrab)
2059	>	ADBMouseMoved(event.xmotion.x, event.xmotion.y);
2060		break;
2061	+
2062	+	// Mouse moved
2063		case MotionNotify:
2064	<	ADBMouseMoved(((XMotionEvent )&event)->x, ((XMotionEvent )&event)->y);
2064	>	ADBMouseMoved(event.xmotion.x, event.xmotion.y);
2065		break;
2066
2067		// Keyboard
2068		case KeyPress: {
2069	<	int code;
2070	<	if ((code = event2keycode((XKeyEvent *)&event)) != -1) {
2069	>	int code = -1;
2070	>	if (use_keycodes) {
2071	>	if (event2keycode(event.xkey, true) != -2) // This is called to process the hotkeys
2072	>	code = keycode_table[event.xkey.keycode & 0xff];
2073	>	} else
2074	>	code = event2keycode(event.xkey, true);
2075	>	if (code >= 0) {
2076		if (!emul_suspended) {
2077	<	ADBKeyDown(code);
2077	>	if (code == 0x39) { // Caps Lock pressed
2078	>	if (caps_on) {
2079	>	ADBKeyUp(code);
2080	>	caps_on = false;
2081	>	} else {
2082	>	ADBKeyDown(code);
2083	>	caps_on = true;
2084	>	}
2085	>	} else
2086	>	ADBKeyDown(code);
2087		if (code == 0x36)
2088		ctrl_down = true;
2089		} else {
#	Line 1132 \| Line 2094 \| static void handle_events(void)
2094		break;
2095		}
2096		case KeyRelease: {
2097	<	int code;
2098	<	if ((code = event2keycode((XKeyEvent *)&event)) != -1) {
2097	>	int code = -1;
2098	>	if (use_keycodes) {
2099	>	if (event2keycode(event.xkey, false) != -2) // This is called to process the hotkeys
2100	>	code = keycode_table[event.xkey.keycode & 0xff];
2101	>	} else
2102	>	code = event2keycode(event.xkey, false);
2103	>	if (code >= 0 && code != 0x39) { // Don't propagate Caps Lock releases
2104		ADBKeyUp(code);
2105		if (code == 0x36)
2106		ctrl_down = false;
#	Line 1147 \| Line 2114 \| static void handle_events(void)
2114		if (use_vosf) { // VOSF refresh
2115		LOCK_VOSF;
2116		PFLAG_SET_ALL;
2117	+	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
2118		UNLOCK_VOSF;
2119		}
2120	+	else
2121		#endif
2122	<	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
2122	>	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
2123		break;
2124		}
2125		}
#	Line 1166 \| Line 2135 \| void VideoVBL(void)
2135		if (emerg_quit)
2136		QuitEmulator();
2137
2138	+	// Temporarily give up frame buffer lock (this is the point where
2139	+	// we are suspended when the user presses Ctrl-Tab)
2140	+	UNLOCK_FRAME_BUFFER;
2141	+	LOCK_FRAME_BUFFER;
2142	+
2143		// Execute video VBL
2144		if (private_data != NULL && private_data->interruptsEnabled)
2145		VSLDoInterruptService(private_data->vslServiceID);
#	Line 1173 \| Line 2147 \| void VideoVBL(void)
2147
2148
2149		/*
1176	–	* Install graphics acceleration
1177	–	*/
1178	–
1179	–	#if 0
1180	–	// Rectangle blitting
1181	–	static void accl_bitblt(accl_params *p)
1182	–	{
1183	–	D(bug("accl_bitblt\n"));
1184	–
1185	–	// Get blitting parameters
1186	–	int16 src_X = p->src_rect[1] - p->src_bounds[1];
1187	–	int16 src_Y = p->src_rect[0] - p->src_bounds[0];
1188	–	int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
1189	–	int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
1190	–	int16 width = p->dest_rect[3] - p->dest_rect[1] - 1;
1191	–	int16 height = p->dest_rect[2] - p->dest_rect[0] - 1;
1192	–	D(bug(" src X %d, src Y %d, dest X %d, dest Y %d\n", src_X, src_Y, dest_X, dest_Y));
1193	–	D(bug(" width %d, height %d\n", width, height));
1194	–
1195	–	// And perform the blit
1196	–	bitblt_hook(src_X, src_Y, dest_X, dest_Y, width, height);
1197	–	}
1198	–
1199	–	static bool accl_bitblt_hook(accl_params *p)
1200	–	{
1201	–	D(bug("accl_draw_hook %p\n", p));
1202	–
1203	–	// Check if we can accelerate this bitblt
1204	–	if (p->src_base_addr == screen_base && p->dest_base_addr == screen_base &&
1205	–	display_type == DIS_SCREEN && bitblt_hook != NULL &&
1206	–	((uint32 )p)[0x18 >> 2] + ((uint32 )p)[0x128 >> 2] == 0 &&
1207	–	((uint32 *)p)[0x130 >> 2] == 0 &&
1208	–	p->transfer_mode == 0 &&
1209	–	p->src_row_bytes > 0 && ((uint32 *)p)[0x15c >> 2] > 0) {
1210	–
1211	–	// Yes, set function pointer
1212	–	p->draw_proc = accl_bitblt;
1213	–	return true;
1214	–	}
1215	–	return false;
1216	–	}
1217	–
1218	–	// Rectangle filling/inversion
1219	–	static void accl_fillrect8(accl_params *p)
1220	–	{
1221	–	D(bug("accl_fillrect8\n"));
1222	–
1223	–	// Get filling parameters
1224	–	int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
1225	–	int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
1226	–	int16 dest_X_max = p->dest_rect[3] - p->dest_bounds[1] - 1;
1227	–	int16 dest_Y_max = p->dest_rect[2] - p->dest_bounds[0] - 1;
1228	–	uint8 color = p->pen_mode == 8 ? p->fore_pen : p->back_pen;
1229	–	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1230	–	D(bug(" dest X max %d, dest Y max %d\n", dest_X_max, dest_Y_max));
1231	–
1232	–	// And perform the fill
1233	–	fillrect8_hook(dest_X, dest_Y, dest_X_max, dest_Y_max, color);
1234	–	}
1235	–
1236	–	static void accl_fillrect32(accl_params *p)
1237	–	{
1238	–	D(bug("accl_fillrect32\n"));
1239	–
1240	–	// Get filling parameters
1241	–	int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
1242	–	int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
1243	–	int16 dest_X_max = p->dest_rect[3] - p->dest_bounds[1] - 1;
1244	–	int16 dest_Y_max = p->dest_rect[2] - p->dest_bounds[0] - 1;
1245	–	uint32 color = p->pen_mode == 8 ? p->fore_pen : p->back_pen;
1246	–	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1247	–	D(bug(" dest X max %d, dest Y max %d\n", dest_X_max, dest_Y_max));
1248	–
1249	–	// And perform the fill
1250	–	fillrect32_hook(dest_X, dest_Y, dest_X_max, dest_Y_max, color);
1251	–	}
1252	–
1253	–	static void accl_invrect(accl_params *p)
1254	–	{
1255	–	D(bug("accl_invrect\n"));
1256	–
1257	–	// Get inversion parameters
1258	–	int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
1259	–	int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
1260	–	int16 dest_X_max = p->dest_rect[3] - p->dest_bounds[1] - 1;
1261	–	int16 dest_Y_max = p->dest_rect[2] - p->dest_bounds[0] - 1;
1262	–	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1263	–	D(bug(" dest X max %d, dest Y max %d\n", dest_X_max, dest_Y_max));
1264	–
1265	–	//!!?? pen_mode == 14
1266	–
1267	–	// And perform the inversion
1268	–	invrect_hook(dest_X, dest_Y, dest_X_max, dest_Y_max);
1269	–	}
1270	–
1271	–	static bool accl_fillrect_hook(accl_params *p)
1272	–	{
1273	–	D(bug("accl_fillrect_hook %p\n", p));
1274	–
1275	–	// Check if we can accelerate this fillrect
1276	–	if (p->dest_base_addr == screen_base && ((uint32 *)p)[0x284 >> 2] != 0 && display_type == DIS_SCREEN) {
1277	–	if (p->transfer_mode == 8) {
1278	–	// Fill
1279	–	if (p->dest_pixel_size == 8 && fillrect8_hook != NULL) {
1280	–	p->draw_proc = accl_fillrect8;
1281	–	return true;
1282	–	} else if (p->dest_pixel_size == 32 && fillrect32_hook != NULL) {
1283	–	p->draw_proc = accl_fillrect32;
1284	–	return true;
1285	–	}
1286	–	} else if (p->transfer_mode == 10 && invrect_hook != NULL) {
1287	–	// Invert
1288	–	p->draw_proc = accl_invrect;
1289	–	return true;
1290	–	}
1291	–	}
1292	–	return false;
1293	–	}
1294	–
1295	–	// Wait for graphics operation to finish
1296	–	static bool accl_sync_hook(void *arg)
1297	–	{
1298	–	D(bug("accl_sync_hook %p\n", arg));
1299	–	if (sync_hook != NULL)
1300	–	sync_hook();
1301	–	return true;
1302	–	}
1303	–
1304	–	static struct accl_hook_info bitblt_hook_info = {accl_bitblt_hook, accl_sync_hook, ACCL_BITBLT};
1305	–	static struct accl_hook_info fillrect_hook_info = {accl_fillrect_hook, accl_sync_hook, ACCL_FILLRECT};
1306	–	#endif
1307	–
1308	–	void VideoInstallAccel(void)
1309	–	{
1310	–	// Install acceleration hooks
1311	–	if (PrefsFindBool("gfxaccel")) {
1312	–	D(bug("Video: Installing acceleration hooks\n"));
1313	–	//!! NQDMisc(6, &bitblt_hook_info);
1314	–	// NQDMisc(6, &fillrect_hook_info);
1315	–	}
1316	–	}
1317	–
1318	–
1319	–	/*
2150		* Change video mode
2151		*/
2152
#	Line 1335 \| Line 2165 \| *int16 video_mode_change(VidLocals csSav**
2165		csSave->savePage = ReadMacInt16(ParamPtr + csPage);
2166
2167		// Disable interrupts and pause redraw thread
1338	–	DisableInterrupt();
1339	–	thread_stop_ack = false;
2168		thread_stop_req = true;
2169	<	while (!thread_stop_ack) ;
2169	>	sem_wait(&thread_stop_ack);
2170	>	thread_stop_req = false;
2171	>	DisableInterrupt();
2172
2173		/* close old display */
2174		close_display();
#	Line 1359 \| Line 2189 \| *int16 video_mode_change(VidLocals csSav**
2189		csSave->saveMode=VModes[cur_mode].viAppleMode;
2190
2191		// Enable interrupts and resume redraw thread
1362	–	thread_stop_req = false;
2192		EnableInterrupt();
2193	+	sem_post(&thread_resume_req);
2194		return noErr;
2195		}
2196		}
#	Line 1374 \| Line 2204 \| *int16 video_mode_change(VidLocals csSav**
2204
2205		void video_set_palette(void)
2206		{
2207	+	LOCK_PALETTE;
2208	+
2209	+	// Convert colors to XColor array
2210	+	int mode = get_current_mode();
2211	+	int num_in = palette_size(mode);
2212	+	int num_out = 256;
2213	+	bool stretch = false;
2214	+	if (IsDirectMode(mode)) {
2215	+	// If X is in 565 mode we have to stretch the gamma table from 32 to 64 entries
2216	+	num_out = vis->map_entries;
2217	+	stretch = true;
2218	+	}
2219	+	XColor *p = x_palette;
2220	+	for (int i=0; i<num_out; i++) {
2221	+	int c = (stretch ? (i * num_in) / num_out : i);
2222	+	p->red = mac_pal[c].red * 0x0101;
2223	+	p->green = mac_pal[c].green * 0x0101;
2224	+	p->blue = mac_pal[c].blue * 0x0101;
2225	+	p++;
2226	+	}
2227	+
2228	+	#ifdef ENABLE_VOSF
2229	+	// Recalculate pixel color expansion map
2230	+	if (!IsDirectMode(mode) && xdepth > 8) {
2231	+	for (int i=0; i<256; i++) {
2232	+	int c = i & (num_in-1); // If there are less than 256 colors, we repeat the first entries (this makes color expansion easier)
2233	+	ExpandMap[i] = map_rgb(mac_pal[c].red, mac_pal[c].green, mac_pal[c].blue);
2234	+	}
2235	+
2236	+	// We have to redraw everything because the interpretation of pixel values changed
2237	+	LOCK_VOSF;
2238	+	PFLAG_SET_ALL;
2239	+	if (display_type == DIS_SCREEN)
2240	+	PFLAG_SET_VERY_DIRTY;
2241	+	UNLOCK_VOSF;
2242	+	}
2243	+	#endif
2244	+
2245	+	// Tell redraw thread to change palette
2246		palette_changed = true;
2247	+
2248	+	UNLOCK_PALETTE;
2249	+	}
2250	+
2251	+
2252	+	/*
2253	+	* Can we set the MacOS cursor image into the window?
2254	+	*/
2255	+
2256	+	bool video_can_change_cursor(void)
2257	+	{
2258	+	return hw_mac_cursor_accl && (display_type != DIS_SCREEN);
2259		}
2260
2261
#	Line 1501 \| Line 2382 \| static void update_display(void)
2382
2383		// Refresh display
2384		if (high && wide) {
2385	+	XDisplayLock();
2386		if (have_shm)
2387		XShmPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high, 0);
2388		else
2389		XPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high);
2390	+	XDisplayUnlock();
2391	+	}
2392	+	}
2393	+
2394	+	const int VIDEO_REFRESH_HZ = 60;
2395	+	const int VIDEO_REFRESH_DELAY = 1000000 / VIDEO_REFRESH_HZ;
2396	+
2397	+	static void handle_palette_changes(void)
2398	+	{
2399	+	LOCK_PALETTE;
2400	+
2401	+	if (palette_changed && !emul_suspended) {
2402	+	palette_changed = false;
2403	+
2404	+	int mode = get_current_mode();
2405	+	if (color_class == PseudoColor \|\| color_class == DirectColor) {
2406	+	int num = vis->map_entries;
2407	+	bool set_clut = true;
2408	+	if (!IsDirectMode(mode) && color_class == DirectColor) {
2409	+	if (display_type == DIS_WINDOW)
2410	+	set_clut = false; // Indexed mode on true color screen, don't set CLUT
2411	+	}
2412	+
2413	+	if (set_clut) {
2414	+	XDisplayLock();
2415	+	XStoreColors(x_display, cmap[0], x_palette, num);
2416	+	XStoreColors(x_display, cmap[1], x_palette, num);
2417	+	XSync(x_display, false);
2418	+	XDisplayUnlock();
2419	+	}
2420	+	}
2421	+
2422	+	#ifdef ENABLE_XF86_DGA
2423	+	if (display_type == DIS_SCREEN && !is_fbdev_dga_mode) {
2424	+	current_dga_cmap ^= 1;
2425	+	if (!IsDirectMode(mode) && cmap[current_dga_cmap])
2426	+	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
2427	+	}
2428	+	#endif
2429		}
2430	+
2431	+	UNLOCK_PALETTE;
2432		}
2433
2434		static void redraw_func(void arg)
2435		{
2436	<	int tick_counter = 0;
1514	<	struct timespec req = {0, 16666667};
2436	>	int fd = ConnectionNumber(x_display);
2437
2438	<	for (;;) {
2438	>	uint64 start = GetTicks_usec();
2439	>	int64 ticks = 0;
2440	>	uint64 next = GetTicks_usec() + VIDEO_REFRESH_DELAY;
2441
2442	<	// Wait
1519	<	nanosleep(&req, NULL);
2442	>	while (!redraw_thread_cancel) {
2443
2444		// Pause if requested (during video mode switches)
2445	<	while (thread_stop_req)
2446	<	thread_stop_ack = true;
2445	>	if (thread_stop_req) {
2446	>	sem_post(&thread_stop_ack);
2447	>	sem_wait(&thread_resume_req);
2448	>	}
2449	>
2450	>	int64 delay = next - GetTicks_usec();
2451	>	if (delay < -VIDEO_REFRESH_DELAY) {
2452	>
2453	>	// We are lagging far behind, so we reset the delay mechanism
2454	>	next = GetTicks_usec();
2455
2456	<	// Handle X11 events
1526	<	handle_events();
2456	>	} else if (delay <= 0) {
2457
2458	<	// Quit DGA mode if requested
2459	<	if (quit_full_screen) {
2460	<	quit_full_screen = false;
2461	<	if (display_type == DIS_SCREEN) {
2458	>	// Delay expired, refresh display
2459	>	next += VIDEO_REFRESH_DELAY;
2460	>	ticks++;
2461	>
2462	>	// Handle X11 events
2463	>	handle_events();
2464	>
2465	>	// Quit DGA mode if requested
2466	>	if (quit_full_screen) {
2467	>	quit_full_screen = false;
2468	>	if (display_type == DIS_SCREEN) {
2469	>	XDisplayLock();
2470	>	#if defined(ENABLE_XF86_DGA) \|\| defined(ENABLE_FBDEV_DGA)
2471		#ifdef ENABLE_XF86_DGA
2472	<	XF86DGADirectVideo(x_display, screen, 0);
2473	<	XUngrabPointer(x_display, CurrentTime);
1535	<	XUngrabKeyboard(x_display, CurrentTime);
2472	>	if (!is_fbdev_dga_mode)
2473	>	XF86DGADirectVideo(x_display, screen, 0);
2474		#endif
2475	<	XSync(x_display, false);
2476	<	quit_full_screen_ack = true;
2477	<	return NULL;
2475	>	XUngrabPointer(x_display, CurrentTime);
2476	>	XUngrabKeyboard(x_display, CurrentTime);
2477	>	XUnmapWindow(x_display, the_win);
2478	>	wait_unmapped(the_win);
2479	>	XDestroyWindow(x_display, the_win);
2480	>	#endif
2481	>	XSync(x_display, false);
2482	>	XDisplayUnlock();
2483	>	quit_full_screen_ack = true;
2484	>	return NULL;
2485	>	}
2486		}
1541	–	}
2487
2488	<	// Refresh display and set cursor image in window mode
2489	<	if (display_type == DIS_WINDOW) {
2490	<	tick_counter++;
2491	<	if (tick_counter >= frame_skip) {
2492	<	tick_counter = 0;
2488	>	// Refresh display and set cursor image in window mode
2489	>	static int tick_counter = 0;
2490	>	if (display_type == DIS_WINDOW) {
2491	>	tick_counter++;
2492	>	if (tick_counter >= frame_skip) {
2493	>	tick_counter = 0;
2494
2495	<	// Update display
2495	>	// Update display
2496		#ifdef ENABLE_VOSF
2497	<	if (use_vosf) {
2498	<	if (mainBuffer.dirty) {
2499	<	LOCK_VOSF;
2500	<	update_display_window_vosf();
2501	<	UNLOCK_VOSF;
2502	<	XSync(x_display, false); // Let the server catch up
2497	>	if (use_vosf) {
2498	>	XDisplayLock();
2499	>	if (mainBuffer.dirty) {
2500	>	LOCK_VOSF;
2501	>	update_display_window_vosf();
2502	>	UNLOCK_VOSF;
2503	>	XSync(x_display, false); // Let the server catch up
2504	>	}
2505	>	XDisplayUnlock();
2506		}
2507	<	}
1559	<	else
2507	>	else
2508		#endif
2509	<	update_display();
2509	>	update_display();
2510
2511	<	// Set new cursor image if it was changed
2512	<	if (cursor_changed) {
2513	<	cursor_changed = false;
2514	<	memcpy(cursor_image->data, MacCursor + 4, 32);
2515	<	memcpy(cursor_mask_image->data, MacCursor + 36, 32);
2516	<	XFreeCursor(x_display, mac_cursor);
2517	<	XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16);
2518	<	XPutImage(x_display, cursor_mask_map, cursor_mask_gc, cursor_mask_image, 0, 0, 0, 0, 16, 16);
2519	<	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, MacCursor[2], MacCursor[3]);
2520	<	XDefineCursor(x_display, the_win, mac_cursor);
2511	>	// Set new cursor image if it was changed
2512	>	if (hw_mac_cursor_accl && cursor_changed) {
2513	>	cursor_changed = false;
2514	>	uint8 x_data = (uint8 )cursor_image->data;
2515	>	uint8 x_mask = (uint8 )cursor_mask_image->data;
2516	>	for (int i = 0; i < 32; i++) {
2517	>	x_mask[i] = MacCursor[4 + i] \| MacCursor[36 + i];
2518	>	x_data[i] = MacCursor[4 + i];
2519	>	}
2520	>	XDisplayLock();
2521	>	XFreeCursor(x_display, mac_cursor);
2522	>	XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16);
2523	>	XPutImage(x_display, cursor_mask_map, cursor_mask_gc, cursor_mask_image, 0, 0, 0, 0, 16, 16);
2524	>	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, MacCursor[2], MacCursor[3]);
2525	>	XDefineCursor(x_display, the_win, mac_cursor);
2526	>	XDisplayUnlock();
2527	>	}
2528		}
2529		}
1575	–	}
2530		#ifdef ENABLE_VOSF
2531	<	else if (use_vosf) {
2532	<	// Update display (VOSF variant)
2533	<	static int tick_counter = 0;
2534	<	if (++tick_counter >= frame_skip) {
2535	<	tick_counter = 0;
2536	<	if (mainBuffer.dirty) {
2537	<	LOCK_VOSF;
2538	<	update_display_dga_vosf();
2539	<	UNLOCK_VOSF;
2531	>	else if (use_vosf) {
2532	>	// Update display (VOSF variant)
2533	>	if (++tick_counter >= frame_skip) {
2534	>	tick_counter = 0;
2535	>	if (mainBuffer.dirty) {
2536	>	LOCK_VOSF;
2537	>	update_display_dga_vosf();
2538	>	UNLOCK_VOSF;
2539	>	}
2540		}
2541		}
1588	–	}
2542		#endif
2543
2544	<	// Set new palette if it was changed
2545	<	if (palette_changed && !emul_suspended) {
2546	<	palette_changed = false;
2547	<	XColor c[256];
2548	<	for (int i=0; i<256; i++) {
2549	<	c[i].pixel = i;
2550	<	c[i].red = mac_pal[i].red * 0x0101;
2551	<	c[i].green = mac_pal[i].green * 0x0101;
2552	<	c[i].blue = mac_pal[i].blue * 0x0101;
2553	<	c[i].flags = DoRed \| DoGreen \| DoBlue;
2554	<	}
2555	<	if (depth == 8) {
2556	<	XStoreColors(x_display, cmap[0], c, 256);
2557	<	XStoreColors(x_display, cmap[1], c, 256);
1605	<	#ifdef ENABLE_XF86_DGA
1606	<	if (display_type == DIS_SCREEN) {
1607	<	current_dga_cmap ^= 1;
1608	<	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
1609	<	}
1610	<	#endif
1611	<	}
2544	>	// Set new palette if it was changed
2545	>	handle_palette_changes();
2546	>
2547	>	} else {
2548	>
2549	>	// No display refresh pending, check for X events
2550	>	fd_set readfds;
2551	>	FD_ZERO(&readfds);
2552	>	FD_SET(fd, &readfds);
2553	>	struct timeval timeout;
2554	>	timeout.tv_sec = 0;
2555	>	timeout.tv_usec = delay;
2556	>	if (select(fd+1, &readfds, NULL, NULL, &timeout) > 0)
2557	>	handle_events();
2558		}
2559		}
2560		return NULL;
2561		}
2562	+
2563	+
2564	+	/*
2565	+	* Record dirty area from NQD
2566	+	*/
2567	+
2568	+	void video_set_dirty_area(int x, int y, int w, int h)
2569	+	{
2570	+	VideoInfo const & mode = VModes[cur_mode];
2571	+	const int screen_width = VIDEO_MODE_X;
2572	+	const int screen_height = VIDEO_MODE_Y;
2573	+	const int bytes_per_row = VIDEO_MODE_ROW_BYTES;
2574	+
2575	+	#ifdef ENABLE_VOSF
2576	+	if (use_vosf) {
2577	+	vosf_set_dirty_area(x, y, w, h, screen_width, screen_height, bytes_per_row);
2578	+	return;
2579	+	}
2580	+	#endif
2581	+
2582	+	// XXX handle dirty bounding boxes for non-VOSF modes
2583	+	}

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Comparing SheepShaver/src/Unix/video_x.cpp (file contents): Revision 1.3 by gbeauche, 2003-05-22T22:12:05Z vs. Revision 1.50 by gbeauche, 2008-01-01T09:47:39Z

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Comparing SheepShaver/src/Unix/video_x.cpp (file contents):
Revision 1.3 by gbeauche, 2003-05-22T22:12:05Z vs.
Revision 1.50 by gbeauche, 2008-01-01T09:47:39Z