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

Comparing SheepShaver/src/Unix/video_x.cpp (file contents):
Revision 1.7 by gbeauche, 2003-12-04T22:29:15Z vs.
Revision 1.23 by gbeauche, 2004-05-16T15:48:25Z

#	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 29 | Line 29
29		#include <errno.h>
30		#include <pthread.h>
31
32	+	#include <algorithm>
33	+
34		#ifdef ENABLE_XF86_DGA
35	<	#include <X11/extensions/xf86dga.h>
35	>	# include <X11/extensions/xf86dga.h>
36		#endif
37
38		#ifdef ENABLE_XF86_VIDMODE
#	Line 48 | Line 50
50		#define DEBUG 0
51		#include "debug.h"
52
53	+	#ifndef NO_STD_NAMESPACE
54	+	using std::sort;
55	+	#endif
56	+
57
58		// Constants
59		const char KEYCODE_FILE_NAME[] = DATADIR "/keycodes";
60	+	static const bool hw_mac_cursor_accl = true;    // Flag: Enable MacOS to X11 copy of cursor?
61
62		// Global variables
63		static int32 frame_skip;
64	+	static int16 mouse_wheel_mode;
65	+	static int16 mouse_wheel_lines;
66		static bool redraw_thread_active = false;       // Flag: Redraw thread installed
67	+	static pthread_attr_t redraw_thread_attr;       // Redraw thread attributes
68		static pthread_t redraw_thread;                         // Redraw thread
69
70		static bool local_X11;                                          // Flag: X server running on local machine?
#	Line 87 | Line 97 | static int screen;                                                     // Screen numbe
97		static int xdepth;                                                      // Depth of X screen
98		static int depth;                                                       // Depth of Mac frame buffer
99		static Window rootwin, the_win;                         // Root window and our window
100	+	static int num_depths = 0;                                      // Number of available X depths
101	+	static int *avail_depths = NULL;                        // List of available X depths
102		static XVisualInfo visualInfo;
103		static Visual *vis;
104	+	static int color_class;
105	+	static int rshift, rloss, gshift, gloss, bshift, bloss; // Pixel format of DirectColor/TrueColor modes
106		static Colormap cmap[2];                                        // Two colormaps (DGA) for 8-bit mode
107	+	static XColor x_palette[256];                           // Color palette to be used as CLUT and gamma table
108	+
109		static XColor black, white;
110		static unsigned long black_pixel, white_pixel;
111		static int eventmask;
112	<	static const int win_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | ExposureMask;
113	<	static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
112	>	static const int win_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | ExposureMask | StructureNotifyMask;
113	>	static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask;
114
115		// Variables for window mode
116		static GC the_gc;
#	Line 111 | Line 127 | static uint8 *the_buffer_copy = NULL;          /
127		static uint32 the_buffer_size;                          // Size of allocated the_buffer
128
129		// Variables for DGA mode
114	–	static char *dga_screen_base;
115	–	static int dga_fb_width;
130		static int current_dga_cmap;
131
132		#ifdef ENABLE_XF86_VIDMODE
#	Line 121 | Line 135 | static XF86VidModeModeInfo **x_video_mod
135		static int num_x_video_modes;
136		#endif
137
138	+	// Mutex to protect palette
139	+	#ifdef HAVE_SPINLOCKS
140	+	static spinlock_t x_palette_lock = SPIN_LOCK_UNLOCKED;
141	+	#define LOCK_PALETTE spin_lock(&x_palette_lock)
142	+	#define UNLOCK_PALETTE spin_unlock(&x_palette_lock)
143	+	#elif defined(HAVE_PTHREADS)
144	+	static pthread_mutex_t x_palette_lock = PTHREAD_MUTEX_INITIALIZER;
145	+	#define LOCK_PALETTE pthread_mutex_lock(&x_palette_lock)
146	+	#define UNLOCK_PALETTE pthread_mutex_unlock(&x_palette_lock)
147	+	#else
148	+	#define LOCK_PALETTE
149	+	#define UNLOCK_PALETTE
150	+	#endif
151	+
152
153		// Prototypes
154		static void *redraw_func(void *arg);
#	Line 133 | Line 161 | extern Display *x_display;
161		// From sys_unix.cpp
162		extern void SysMountFirstFloppy(void);
163
164	+	// From clip_unix.cpp
165	+	extern void ClipboardSelectionClear(XSelectionClearEvent *);
166	+	extern void ClipboardSelectionRequest(XSelectionRequestEvent *);
167	+
168
169		// Video acceleration through SIGSEGV
170		#ifdef ENABLE_VOSF
#	Line 141 | Line 173 | extern void SysMountFirstFloppy(void);
173
174
175		/*
176	+	*  Utility functions
177	+	*/
178	+
179	+	// Get current video mode
180	+	static inline int get_current_mode(void)
181	+	{
182	+	return VModes[cur_mode].viAppleMode;
183	+	}
184	+
185	+	// Find palette size for given color depth
186	+	static int palette_size(int mode)
187	+	{
188	+	switch (mode) {
189	+	case APPLE_1_BIT: return 2;
190	+	case APPLE_2_BIT: return 4;
191	+	case APPLE_4_BIT: return 16;
192	+	case APPLE_8_BIT: return 256;
193	+	case APPLE_16_BIT: return 32;
194	+	case APPLE_32_BIT: return 256;
195	+	default: return 0;
196	+	}
197	+	}
198	+
199	+	// Return bits per pixel for requested depth
200	+	static inline int bytes_per_pixel(int depth)
201	+	{
202	+	int bpp;
203	+	switch (depth) {
204	+	case 8:
205	+	bpp = 1;
206	+	break;
207	+	case 15: case 16:
208	+	bpp = 2;
209	+	break;
210	+	case 24: case 32:
211	+	bpp = 4;
212	+	break;
213	+	default:
214	+	abort();
215	+	}
216	+	return bpp;
217	+	}
218	+
219	+	// Map video_mode depth ID to numerical depth value
220	+	static inline int depth_of_video_mode(int mode)
221	+	{
222	+	int depth;
223	+	switch (mode) {
224	+	case APPLE_1_BIT:
225	+	depth = 1;
226	+	break;
227	+	case APPLE_2_BIT:
228	+	depth = 2;
229	+	break;
230	+	case APPLE_4_BIT:
231	+	depth = 4;
232	+	break;
233	+	case APPLE_8_BIT:
234	+	depth = 8;
235	+	break;
236	+	case APPLE_16_BIT:
237	+	depth = 16;
238	+	break;
239	+	case APPLE_32_BIT:
240	+	depth = 32;
241	+	break;
242	+	default:
243	+	abort();
244	+	}
245	+	return depth;
246	+	}
247	+
248	+	// Map RGB color to pixel value (this only works in TrueColor/DirectColor visuals)
249	+	static inline uint32 map_rgb(uint8 red, uint8 green, uint8 blue)
250	+	{
251	+	return ((red >> rloss) << rshift) | ((green >> gloss) << gshift) | ((blue >> bloss) << bshift);
252	+	}
253	+
254	+
255	+	// Do we have a visual for handling the specified Mac depth? If so, set the
256	+	// global variables "xdepth", "visualInfo", "vis" and "color_class".
257	+	static bool find_visual_for_depth(int depth)
258	+	{
259	+	D(bug("have_visual_for_depth(%d)\n", depth_of_video_mode(depth)));
260	+
261	+	// 1-bit works always and uses default visual
262	+	if (depth == APPLE_1_BIT) {
263	+	vis = DefaultVisual(x_display, screen);
264	+	visualInfo.visualid = XVisualIDFromVisual(vis);
265	+	int num = 0;
266	+	XVisualInfo *vi = XGetVisualInfo(x_display, VisualIDMask, &visualInfo, &num);
267	+	visualInfo = vi[0];
268	+	XFree(vi);
269	+	xdepth = visualInfo.depth;
270	+	color_class = visualInfo.c_class;
271	+	D(bug(" found visual ID 0x%02x, depth %d\n", visualInfo.visualid, xdepth));
272	+	return true;
273	+	}
274	+
275	+	// Calculate minimum and maximum supported X depth
276	+	int min_depth = 1, max_depth = 32;
277	+	switch (depth) {
278	+	#ifdef ENABLE_VOSF
279	+	case APPLE_2_BIT:
280	+	case APPLE_4_BIT:       // VOSF blitters can convert 2/4/8-bit -> 8/16/32-bit
281	+	case APPLE_8_BIT:
282	+	min_depth = 8;
283	+	max_depth = 32;
284	+	break;
285	+	#else
286	+	case APPLE_2_BIT:
287	+	case APPLE_4_BIT:       // 2/4-bit requires VOSF blitters
288	+	return false;
289	+	case APPLE_8_BIT:       // 8-bit without VOSF requires an 8-bit visual
290	+	min_depth = 8;
291	+	max_depth = 8;
292	+	break;
293	+	#endif
294	+	case APPLE_16_BIT:      // 16-bit requires a 15/16-bit visual
295	+	min_depth = 15;
296	+	max_depth = 16;
297	+	break;
298	+	case APPLE_32_BIT:      // 32-bit requires a 24/32-bit visual
299	+	min_depth = 24;
300	+	max_depth = 32;
301	+	break;
302	+	}
303	+	D(bug(" minimum required X depth is %d, maximum supported X depth is %d\n", min_depth, max_depth));
304	+
305	+	// Try to find a visual for one of the color depths
306	+	bool visual_found = false;
307	+	for (int i=0; i<num_depths && !visual_found; i++) {
308	+
309	+	xdepth = avail_depths[i];
310	+	D(bug(" trying to find visual for depth %d\n", xdepth));
311	+	if (xdepth < min_depth || xdepth > max_depth)
312	+	continue;
313	+
314	+	// Determine best color class for this depth
315	+	switch (xdepth) {
316	+	case 1: // Try StaticGray or StaticColor
317	+	if (XMatchVisualInfo(x_display, screen, xdepth, StaticGray, &visualInfo)
318	+	|| XMatchVisualInfo(x_display, screen, xdepth, StaticColor, &visualInfo))
319	+	visual_found = true;
320	+	break;
321	+	case 8: // Need PseudoColor
322	+	if (XMatchVisualInfo(x_display, screen, xdepth, PseudoColor, &visualInfo))
323	+	visual_found = true;
324	+	break;
325	+	case 15:
326	+	case 16:
327	+	case 24:
328	+	case 32: // Try DirectColor first, as this will allow gamma correction
329	+	if (XMatchVisualInfo(x_display, screen, xdepth, DirectColor, &visualInfo)
330	+	|| XMatchVisualInfo(x_display, screen, xdepth, TrueColor, &visualInfo))
331	+	visual_found = true;
332	+	break;
333	+	default:
334	+	D(bug("  not a supported depth\n"));
335	+	break;
336	+	}
337	+	}
338	+	if (!visual_found)
339	+	return false;
340	+
341	+	// Visual was found
342	+	vis = visualInfo.visual;
343	+	color_class = visualInfo.c_class;
344	+	D(bug(" found visual ID 0x%02x, depth %d, class ", visualInfo.visualid, xdepth));
345	+	#if DEBUG
346	+	switch (color_class) {
347	+	case StaticGray: D(bug("StaticGray\n")); break;
348	+	case GrayScale: D(bug("GrayScale\n")); break;
349	+	case StaticColor: D(bug("StaticColor\n")); break;
350	+	case PseudoColor: D(bug("PseudoColor\n")); break;
351	+	case TrueColor: D(bug("TrueColor\n")); break;
352	+	case DirectColor: D(bug("DirectColor\n")); break;
353	+	}
354	+	#endif
355	+	return true;
356	+	}
357	+
358	+
359	+	/*
360		*  Open display (window or fullscreen)
361		*/
362
363	+	// Set WM_DELETE_WINDOW protocol on window (preventing it from being destroyed by the WM when clicking on the "close" widget)
364	+	static Atom WM_DELETE_WINDOW = (Atom)0;
365	+	static void set_window_delete_protocol(Window w)
366	+	{
367	+	WM_DELETE_WINDOW = XInternAtom(x_display, "WM_DELETE_WINDOW", false);
368	+	XSetWMProtocols(x_display, w, &WM_DELETE_WINDOW, 1);
369	+	}
370	+
371	+	// Wait until window is mapped/unmapped
372	+	static void wait_mapped(Window w)
373	+	{
374	+	XEvent e;
375	+	do {
376	+	XMaskEvent(x_display, StructureNotifyMask, &e);
377	+	} while ((e.type != MapNotify) || (e.xmap.event != w));
378	+	}
379	+
380	+	static void wait_unmapped(Window w)
381	+	{
382	+	XEvent e;
383	+	do {
384	+	XMaskEvent(x_display, StructureNotifyMask, &e);
385	+	} while ((e.type != UnmapNotify) || (e.xmap.event != w));
386	+	}
387	+
388		// Trap SHM errors
389		static bool shm_error = false;
390		static int (*old_error_handler)(Display *, XErrorEvent *);
#	Line 166 | Line 407 | static bool open_window(int width, int h
407		// Set absolute mouse mode
408		ADBSetRelMouseMode(false);
409
169	–	// Read frame skip prefs
170	–	frame_skip = PrefsFindInt32("frameskip");
171	–	if (frame_skip == 0)
172	–	frame_skip = 1;
173	–
410		// Create window
411		XSetWindowAttributes wattr;
412		wattr.event_mask = eventmask = win_eventmask;
413	<	wattr.background_pixel = black_pixel;
414	<	wattr.border_pixel = black_pixel;
413	>	wattr.background_pixel = (vis == DefaultVisual(x_display, screen) ? black_pixel : 0);
414	>	wattr.border_pixel = 0;
415		wattr.backing_store = NotUseful;
416	<
181	<	XSync(x_display, false);
416	>	wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
417		the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
418	<	InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel | CWBackingStore, &wattr);
419	<	XSync(x_display, false);
418	>	InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel | CWBackingStore | CWColormap, &wattr);
419	>
420	>	// Set window name
421		XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE));
186	–	XMapRaised(x_display, the_win);
187	–	XSync(x_display, false);
422
423	<	// Set colormap
424	<	if (depth == 8) {
191	<	XSetWindowColormap(x_display, the_win, cmap[0]);
192	<	XSetWMColormapWindows(x_display, the_win, &the_win, 1);
193	<	}
423	>	// Set delete protocol property
424	>	set_window_delete_protocol(the_win);
425
426		// Make window unresizable
427		XSizeHints *hints;
#	Line 204 | Line 435 | static bool open_window(int width, int h
435		XFree((char *)hints);
436		}
437
438	+	// Show window
439	+	XMapWindow(x_display, the_win);
440	+	wait_mapped(the_win);
441	+
442		// 1-bit mode is big-endian; if the X server is little-endian, we can't
443		// use SHM because that doesn't allow changing the image byte order
444		bool need_msb_image = (depth == 1 && XImageByteOrder(x_display) == LSBFirst);
#	Line 214 | Line 449 | static bool open_window(int width, int h
449
450		// Create SHM image ("height + 2" for safety)
451		img = XShmCreateImage(x_display, vis, depth == 1 ? 1 : xdepth, depth == 1 ? XYBitmap : ZPixmap, 0, &shminfo, width, height);
452	<	shminfo.shmid = shmget(IPC_PRIVATE, (height + 2) * img->bytes_per_line, IPC_CREAT | 0777);
452	>	shminfo.shmid = shmget(IPC_PRIVATE, (aligned_height + 2) * img->bytes_per_line, IPC_CREAT | 0777);
453	>	D(bug(" shm image created\n"));
454		the_buffer_copy = (uint8 *)shmat(shminfo.shmid, 0, 0);
455		shminfo.shmaddr = img->data = (char *)the_buffer_copy;
456		shminfo.readOnly = False;
#	Line 233 | Line 469 | static bool open_window(int width, int h
469		have_shm = true;
470		shmctl(shminfo.shmid, IPC_RMID, 0);
471		}
472	+	D(bug(" shm image attached\n"));
473		}
474
475		// Create normal X image if SHM doesn't work ("height + 2" for safety)
476		if (!have_shm) {
477	<	int bytes_per_row = aligned_width;
241	<	switch (depth) {
242	<	case 1:
243	<	bytes_per_row /= 8;
244	<	break;
245	<	case 15:
246	<	case 16:
247	<	bytes_per_row *= 2;
248	<	break;
249	<	case 24:
250	<	case 32:
251	<	bytes_per_row *= 4;
252	<	break;
253	<	}
477	>	int bytes_per_row = depth == 1 ? aligned_width/8 : TrivialBytesPerRow(aligned_width, DepthModeForPixelDepth(xdepth));
478		the_buffer_copy = (uint8 *)malloc((aligned_height + 2) * bytes_per_row);
479		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);
480	+	D(bug(" X image created\n"));
481		}
482
483		// 1-Bit mode is big-endian
484	<	if (depth == 1) {
484	>	if (need_msb_image) {
485		img->byte_order = MSBFirst;
486		img->bitmap_bit_order = MSBFirst;
487		}
#	Line 278 | Line 503 | static bool open_window(int width, int h
503
504		// Create GC
505		the_gc = XCreateGC(x_display, the_win, 0, 0);
506	<	XSetForeground(x_display, the_gc, black_pixel);
506	>	XSetState(x_display, the_gc, black_pixel, white_pixel, GXcopy, AllPlanes);
507
508		// Create cursor
509	<	cursor_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 4, 16, 16, 16, 2);
510	<	cursor_image->byte_order = MSBFirst;
511	<	cursor_image->bitmap_bit_order = MSBFirst;
512	<	cursor_mask_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 36, 16, 16, 16, 2);
513	<	cursor_mask_image->byte_order = MSBFirst;
514	<	cursor_mask_image->bitmap_bit_order = MSBFirst;
515	<	cursor_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
516	<	cursor_mask_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
517	<	cursor_gc = XCreateGC(x_display, cursor_map, 0, 0);
518	<	cursor_mask_gc = XCreateGC(x_display, cursor_mask_map, 0, 0);
519	<	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, 0, 0);
520	<	cursor_changed = false;
509	>	if (hw_mac_cursor_accl) {
510	>	cursor_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 4, 16, 16, 16, 2);
511	>	cursor_image->byte_order = MSBFirst;
512	>	cursor_image->bitmap_bit_order = MSBFirst;
513	>	cursor_mask_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 36, 16, 16, 16, 2);
514	>	cursor_mask_image->byte_order = MSBFirst;
515	>	cursor_mask_image->bitmap_bit_order = MSBFirst;
516	>	cursor_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
517	>	cursor_mask_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
518	>	cursor_gc = XCreateGC(x_display, cursor_map, 0, 0);
519	>	cursor_mask_gc = XCreateGC(x_display, cursor_mask_map, 0, 0);
520	>	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, 0, 0);
521	>	cursor_changed = false;
522	>	}
523	>
524	>	// Create no_cursor
525	>	else {
526	>	mac_cursor = XCreatePixmapCursor(x_display,
527	>	XCreatePixmap(x_display, the_win, 1, 1, 1),
528	>	XCreatePixmap(x_display, the_win, 1, 1, 1),
529	>	&black, &white, 0, 0);
530	>	XDefineCursor(x_display, the_win, mac_cursor);
531	>	}
532
533		// Init blitting routines
534		bool native_byte_order;
#	Line 306 | Line 542 | static bool open_window(int width, int h
542		#endif
543
544		// Set bytes per row
309	–	VModes[cur_mode].viRowBytes = img->bytes_per_line;
545		XSync(x_display, false);
546		return true;
547		}
#	Line 318 | Line 553 | static bool open_dga(int width, int heig
553		// Set relative mouse mode
554		ADBSetRelMouseMode(true);
555
556	+	// Create window
557	+	XSetWindowAttributes wattr;
558	+	wattr.event_mask = eventmask = dga_eventmask;
559	+	wattr.override_redirect = True;
560	+	wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
561	+	the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
562	+	InputOutput, vis, CWEventMask | CWOverrideRedirect |
563	+	(color_class == DirectColor ? CWColormap : 0), &wattr);
564	+
565	+	// Show window
566	+	XMapRaised(x_display, the_win);
567	+	wait_mapped(the_win);
568	+
569		#ifdef ENABLE_XF86_VIDMODE
570		// Switch to best mode
571		if (has_vidmode) {
#	Line 334 | Line 582 | static bool open_dga(int width, int heig
582		#endif
583
584		// Establish direct screen connection
585	+	XMoveResizeWindow(x_display, the_win, 0, 0, width, height);
586	+	XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0);
587		XGrabKeyboard(x_display, rootwin, True, GrabModeAsync, GrabModeAsync, CurrentTime);
588		XGrabPointer(x_display, rootwin, True, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
589	+
590	+	int v_width, v_bank, v_size;
591	+	XF86DGAGetVideo(x_display, screen, (char **)&the_buffer, &v_width, &v_bank, &v_size);
592		XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
593		XF86DGASetViewPort(x_display, screen, 0, 0);
594		XF86DGASetVidPage(x_display, screen, 0);
595
596		// Set colormap
597	<	if (depth == 8)
597	>	if (!IsDirectMode(get_current_mode())) {
598	>	XSetWindowColormap(x_display, the_win, cmap[current_dga_cmap = 0]);
599		XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
346	–
347	–	// Set bytes per row
348	–	int bytes_per_row = (dga_fb_width + 7) & ~7;
349	–	switch (depth) {
350	–	case 15:
351	–	case 16:
352	–	bytes_per_row *= 2;
353	–	break;
354	–	case 24:
355	–	case 32:
356	–	bytes_per_row *= 4;
357	–	break;
600		}
601	+	XSync(x_display, false);
602
603	+	// Init blitting routines
604	+	int bytes_per_row = TrivialBytesPerRow((v_width + 7) & ~7, DepthModeForPixelDepth(depth));
605		#if ENABLE_VOSF
606		bool native_byte_order;
607		#ifdef WORDS_BIGENDIAN
#	Line 375 | Line 620 | static bool open_dga(int width, int heig
620		the_buffer_size = page_extend((height + 2) * bytes_per_row);
621		the_buffer_copy = (uint8 *)malloc(the_buffer_size);
622		the_buffer = (uint8 *)vm_acquire(the_buffer_size);
623	+	D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
624		}
625		#else
626		use_vosf = false;
381	–	the_buffer = dga_screen_base;
627		#endif
628		#endif
384	–	screen_base = (uint32)the_buffer;
629
630	+	// Set frame buffer base
631	+	D(bug("the_buffer = %p, use_vosf = %d\n", the_buffer, use_vosf));
632	+	screen_base = (uint32)the_buffer;
633		VModes[cur_mode].viRowBytes = bytes_per_row;
387	–	XSync(x_display, false);
634		return true;
635		#else
636		ErrorAlert("SheepShaver has been compiled with DGA support disabled.");
#	Line 394 | Line 640 | static bool open_dga(int width, int heig
640
641		static bool open_display(void)
642		{
643	<	display_type = VModes[cur_mode].viType;
644	<	switch (VModes[cur_mode].viAppleMode) {
645	<	case APPLE_1_BIT:
646	<	depth = 1;
647	<	break;
648	<	case APPLE_2_BIT:
649	<	depth = 2;
650	<	break;
651	<	case APPLE_4_BIT:
652	<	depth = 4;
653	<	break;
654	<	case APPLE_8_BIT:
655	<	depth = 8;
656	<	break;
657	<	case APPLE_16_BIT:
658	<	depth = xdepth == 15 ? 15 : 16;
659	<	break;
660	<	case APPLE_32_BIT:
661	<	depth = 32;
662	<	break;
643	>	D(bug("open_display()\n"));
644	>	const VideoInfo &mode = VModes[cur_mode];
645	>
646	>	// Find best available X visual
647	>	if (!find_visual_for_depth(mode.viAppleMode)) {
648	>	ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
649	>	return false;
650	>	}
651	>
652	>	// Create color maps
653	>	if (color_class == PseudoColor || color_class == DirectColor) {
654	>	cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll);
655	>	cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll);
656	>	} else {
657	>	cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocNone);
658	>	cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocNone);
659	>	}
660	>
661	>	// Find pixel format of direct modes
662	>	if (color_class == DirectColor || color_class == TrueColor) {
663	>	rshift = gshift = bshift = 0;
664	>	rloss = gloss = bloss = 8;
665	>	uint32 mask;
666	>	for (mask=vis->red_mask; !(mask&1); mask>>=1)
667	>	++rshift;
668	>	for (; mask&1; mask>>=1)
669	>	--rloss;
670	>	for (mask=vis->green_mask; !(mask&1); mask>>=1)
671	>	++gshift;
672	>	for (; mask&1; mask>>=1)
673	>	--gloss;
674	>	for (mask=vis->blue_mask; !(mask&1); mask>>=1)
675	>	++bshift;
676	>	for (; mask&1; mask>>=1)
677	>	--bloss;
678	>	}
679	>
680	>	// Preset palette pixel values for CLUT or gamma table
681	>	if (color_class == DirectColor) {
682	>	int num = vis->map_entries;
683	>	for (int i=0; i<num; i++) {
684	>	int c = (i * 256) / num;
685	>	x_palette[i].pixel = map_rgb(c, c, c);
686	>	x_palette[i].flags = DoRed | DoGreen | DoBlue;
687	>	}
688	>	} else if (color_class == PseudoColor) {
689	>	for (int i=0; i<256; i++) {
690	>	x_palette[i].pixel = i;
691	>	x_palette[i].flags = DoRed | DoGreen | DoBlue;
692	>	}
693		}
694
695	+	// Load gray ramp to color map
696	+	int num = (color_class == DirectColor ? vis->map_entries : 256);
697	+	for (int i=0; i<num; i++) {
698	+	int c = (i * 256) / num;
699	+	x_palette[i].red = c * 0x0101;
700	+	x_palette[i].green = c * 0x0101;
701	+	x_palette[i].blue = c * 0x0101;
702	+	}
703	+	if (color_class == PseudoColor || color_class == DirectColor) {
704	+	XStoreColors(x_display, cmap[0], x_palette, num);
705	+	XStoreColors(x_display, cmap[1], x_palette, num);
706	+	}
707	+
708	+	#ifdef ENABLE_VOSF
709	+	// Load gray ramp to 8->16/32 expand map
710	+	if (!IsDirectMode(get_current_mode()) && xdepth > 8)
711	+	for (int i=0; i<256; i++)
712	+	ExpandMap[i] = map_rgb(i, i, i);
713	+	#endif
714	+
715	+	// Create display of requested type
716	+	display_type = mode.viType;
717	+	depth = depth_of_video_mode(mode.viAppleMode);
718	+
719		bool display_open = false;
720		if (display_type == DIS_SCREEN)
721		display_open = open_dga(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
#	Line 463 | Line 763 | static void close_window(void)
763		if (the_gc)
764		XFreeGC(x_display, the_gc);
765
766	<	// Close window
767	<	XDestroyWindow(x_display, the_win);
766	>	XFlush(x_display);
767	>	XSync(x_display, false);
768		}
769
770		// Close DGA mode
#	Line 500 | Line 800 | static void close_display(void)
800		else if (display_type == DIS_WINDOW)
801		close_window();
802
803	+	// Close window
804	+	if (the_win) {
805	+	XUnmapWindow(x_display, the_win);
806	+	wait_unmapped(the_win);
807	+	XDestroyWindow(x_display, the_win);
808	+	}
809	+
810	+	// Free colormaps
811	+	if (cmap[0]) {
812	+	XFreeColormap(x_display, cmap[0]);
813	+	cmap[0] = 0;
814	+	}
815	+	if (cmap[1]) {
816	+	XFreeColormap(x_display, cmap[1]);
817	+	cmap[1] = 0;
818	+	}
819	+
820		#ifdef ENABLE_VOSF
821		if (use_vosf) {
822		// Deinitialize VOSF
#	Line 606 | Line 923 | static void keycode_init(void)
923		}
924		}
925
926	<	static void add_mode(VideoInfo *&p, uint32 allow, uint32 test, long apple_mode, long apple_id, int type)
926	>	// Find Apple mode matching best specified dimensions
927	>	static int find_apple_resolution(int xsize, int ysize)
928	>	{
929	>	int apple_id;
930	>	if (xsize < 800)
931	>	apple_id = APPLE_640x480;
932	>	else if (xsize < 1024)
933	>	apple_id = APPLE_800x600;
934	>	else if (xsize < 1152)
935	>	apple_id = APPLE_1024x768;
936	>	else if (xsize < 1280) {
937	>	if (ysize < 900)
938	>	apple_id = APPLE_1152x768;
939	>	else
940	>	apple_id = APPLE_1152x900;
941	>	}
942	>	else if (xsize < 1600)
943	>	apple_id = APPLE_1280x1024;
944	>	else
945	>	apple_id = APPLE_1600x1200;
946	>	return apple_id;
947	>	}
948	>
949	>	// Find mode in list of supported modes
950	>	static int find_mode(int apple_mode, int apple_id, int type)
951	>	{
952	>	for (VideoInfo *p = VModes; p->viType != DIS_INVALID; p++) {
953	>	if (p->viType == type && p->viAppleID == apple_id && p->viAppleMode == apple_mode)
954	>	return p - VModes;
955	>	}
956	>	return -1;
957	>	}
958	>
959	>	// Add mode to list of supported modes
960	>	static void add_mode(VideoInfo *&p, uint32 allow, uint32 test, int apple_mode, int apple_id, int type)
961		{
962		if (allow & test) {
963		p->viType = type;
#	Line 625 | Line 976 | static void add_mode(VideoInfo *&p, uint
976		p->viXsize = 1024;
977		p->viYsize = 768;
978		break;
979	+	case APPLE_1152x768:
980	+	p->viXsize = 1152;
981	+	p->viYsize = 768;
982	+	break;
983		case APPLE_1152x900:
984		p->viXsize = 1152;
985		p->viYsize = 900;
#	Line 638 | Line 993 | static void add_mode(VideoInfo *&p, uint
993		p->viYsize = 1200;
994		break;
995		}
996	<	switch (apple_mode) {
642	<	case APPLE_8_BIT:
643	<	p->viRowBytes = p->viXsize;
644	<	break;
645	<	case APPLE_16_BIT:
646	<	p->viRowBytes = p->viXsize * 2;
647	<	break;
648	<	case APPLE_32_BIT:
649	<	p->viRowBytes = p->viXsize * 4;
650	<	break;
651	<	}
996	>	p->viRowBytes = TrivialBytesPerRow(p->viXsize, apple_mode);
997		p->viAppleMode = apple_mode;
998		p->viAppleID = apple_id;
999		p++;
1000		}
1001		}
1002
1003	+	// Add standard list of windowed modes for given color depth
1004	+	static void add_window_modes(VideoInfo *&p, int window_modes, int mode)
1005	+	{
1006	+	add_mode(p, window_modes, 1, mode, APPLE_W_640x480, DIS_WINDOW);
1007	+	add_mode(p, window_modes, 2, mode, APPLE_W_800x600, DIS_WINDOW);
1008	+	}
1009	+
1010		static bool has_mode(int x, int y)
1011		{
1012		#ifdef ENABLE_XF86_VIDMODE
#	Line 682 | Line 1034 | bool VideoInit(void)
1034		// Init keycode translation
1035		keycode_init();
1036
1037	+	// Read frame skip prefs
1038	+	frame_skip = PrefsFindInt32("frameskip");
1039	+	if (frame_skip == 0)
1040	+	frame_skip = 1;
1041	+
1042	+	// Read mouse wheel prefs
1043	+	mouse_wheel_mode = PrefsFindInt32("mousewheelmode");
1044	+	mouse_wheel_lines = PrefsFindInt32("mousewheellines");
1045	+
1046		// Init variables
1047		private_data = NULL;
687	–	cur_mode = 0;   // Window 640x480
1048		video_activated = true;
1049
1050		// Find screen and root window
1051		screen = XDefaultScreen(x_display);
1052		rootwin = XRootWindow(x_display, screen);
1053
1054	+	// Get sorted list of available depths
1055	+	avail_depths = XListDepths(x_display, screen, &num_depths);
1056	+	if (avail_depths == NULL) {
1057	+	ErrorAlert(GetString(STR_UNSUPP_DEPTH_ERR));
1058	+	return false;
1059	+	}
1060	+	sort(avail_depths, avail_depths + num_depths);
1061	+
1062		// Get screen depth
1063		xdepth = DefaultDepth(x_display, screen);
1064
#	Line 721 | Line 1089 | bool VideoInit(void)
1089		black_pixel = BlackPixel(x_display, screen);
1090		white_pixel = WhitePixel(x_display, screen);
1091
724	–	// Get appropriate visual
725	–	int color_class;
726	–	switch (xdepth) {
727	–	#if 0
728	–	case 1:
729	–	color_class = StaticGray;
730	–	break;
731	–	#endif
732	–	case 8:
733	–	color_class = PseudoColor;
734	–	break;
735	–	case 15:
736	–	case 16:
737	–	case 24:
738	–	case 32:
739	–	color_class = TrueColor;
740	–	break;
741	–	default:
742	–	ErrorAlert(GetString(STR_UNSUPP_DEPTH_ERR));
743	–	return false;
744	–	}
745	–	if (!XMatchVisualInfo(x_display, screen, xdepth, color_class, &visualInfo)) {
746	–	ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
747	–	return false;
748	–	}
749	–	if (visualInfo.depth != xdepth) {
750	–	ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
751	–	return false;
752	–	}
753	–	vis = visualInfo.visual;
754	–
1092		// Mac screen depth follows X depth (for now)
1093	<	depth = xdepth;
1094	<
1095	<	// Create color maps for 8 bit mode
1096	<	if (depth == 8) {
1097	<	cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll);
1098	<	cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll);
1099	<	XInstallColormap(x_display, cmap[0]);
1100	<	XInstallColormap(x_display, cmap[1]);
1093	>	int default_mode = APPLE_8_BIT;
1094	>	switch (DefaultDepth(x_display, screen)) {
1095	>	case 1:
1096	>	default_mode = APPLE_1_BIT;
1097	>	break;
1098	>	case 8:
1099	>	default_mode = APPLE_8_BIT;
1100	>	break;
1101	>	case 15: case 16:
1102	>	default_mode = APPLE_16_BIT;
1103	>	break;
1104	>	case 24: case 32:
1105	>	default_mode = APPLE_32_BIT;
1106	>	break;
1107		}
1108
1109		// Construct video mode table
767	–	int mode = APPLE_8_BIT;
768	–	int bpr_mult = 8;
769	–	switch (depth) {
770	–	case 1:
771	–	mode = APPLE_1_BIT;
772	–	bpr_mult = 1;
773	–	break;
774	–	case 8:
775	–	mode = APPLE_8_BIT;
776	–	bpr_mult = 8;
777	–	break;
778	–	case 15:
779	–	case 16:
780	–	mode = APPLE_16_BIT;
781	–	bpr_mult = 16;
782	–	break;
783	–	case 24:
784	–	case 32:
785	–	mode = APPLE_32_BIT;
786	–	bpr_mult = 32;
787	–	break;
788	–	}
789	–
1110		uint32 window_modes = PrefsFindInt32("windowmodes");
1111		uint32 screen_modes = PrefsFindInt32("screenmodes");
1112		if (!has_dga)
#	Line 795 | Line 1115 | bool VideoInit(void)
1115		window_modes |= 3;      // Allow at least 640x480 and 800x600 window modes
1116
1117		VideoInfo *p = VModes;
1118	<	add_mode(p, window_modes, 1, mode, APPLE_W_640x480, DIS_WINDOW);
1119	<	add_mode(p, window_modes, 2, mode, APPLE_W_800x600, DIS_WINDOW);
1118	>	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++)
1119	>	if (find_visual_for_depth(d))
1120	>	add_window_modes(p, window_modes, d);
1121	>
1122		if (has_vidmode) {
1123		if (has_mode(640, 480))
1124	<	add_mode(p, screen_modes, 1, mode, APPLE_640x480, DIS_SCREEN);
1124	>	add_mode(p, screen_modes, 1, default_mode, APPLE_640x480, DIS_SCREEN);
1125		if (has_mode(800, 600))
1126	<	add_mode(p, screen_modes, 2, mode, APPLE_800x600, DIS_SCREEN);
1126	>	add_mode(p, screen_modes, 2, default_mode, APPLE_800x600, DIS_SCREEN);
1127		if (has_mode(1024, 768))
1128	<	add_mode(p, screen_modes, 4, mode, APPLE_1024x768, DIS_SCREEN);
1128	>	add_mode(p, screen_modes, 4, default_mode, APPLE_1024x768, DIS_SCREEN);
1129	>	if (has_mode(1152, 768))
1130	>	add_mode(p, screen_modes, 64, default_mode, APPLE_1152x768, DIS_SCREEN);
1131		if (has_mode(1152, 900))
1132	<	add_mode(p, screen_modes, 8, mode, APPLE_1152x900, DIS_SCREEN);
1132	>	add_mode(p, screen_modes, 8, default_mode, APPLE_1152x900, DIS_SCREEN);
1133		if (has_mode(1280, 1024))
1134	<	add_mode(p, screen_modes, 16, mode, APPLE_1280x1024, DIS_SCREEN);
1134	>	add_mode(p, screen_modes, 16, default_mode, APPLE_1280x1024, DIS_SCREEN);
1135		if (has_mode(1600, 1200))
1136	<	add_mode(p, screen_modes, 32, mode, APPLE_1600x1200, DIS_SCREEN);
1136	>	add_mode(p, screen_modes, 32, default_mode, APPLE_1600x1200, DIS_SCREEN);
1137		} else if (screen_modes) {
1138		int xsize = DisplayWidth(x_display, screen);
1139		int ysize = DisplayHeight(x_display, screen);
1140	<	int apple_id;
817	<	if (xsize < 800)
818	<	apple_id = APPLE_640x480;
819	<	else if (xsize < 1024)
820	<	apple_id = APPLE_800x600;
821	<	else if (xsize < 1152)
822	<	apple_id = APPLE_1024x768;
823	<	else if (xsize < 1280)
824	<	apple_id = APPLE_1152x900;
825	<	else if (xsize < 1600)
826	<	apple_id = APPLE_1280x1024;
827	<	else
828	<	apple_id = APPLE_1600x1200;
1140	>	int apple_id = find_apple_resolution(xsize, ysize);
1141		p->viType = DIS_SCREEN;
1142		p->viRowBytes = 0;
1143		p->viXsize = xsize;
1144		p->viYsize = ysize;
1145	<	p->viAppleMode = mode;
1145	>	p->viAppleMode = default_mode;
1146		p->viAppleID = apple_id;
1147		p++;
1148		}
#	Line 840 | Line 1152 | bool VideoInit(void)
1152		p->viAppleMode = 0;
1153		p->viAppleID = 0;
1154
1155	<	#ifdef ENABLE_XF86_DGA
1155	>	// Find default mode (window 640x480)
1156	>	cur_mode = -1;
1157		if (has_dga && screen_modes) {
1158	<	int v_bank, v_size;
1159	<	XF86DGAGetVideo(x_display, screen, &dga_screen_base, &dga_fb_width, &v_bank, &v_size);
1160	<	D(bug("DGA screen_base %p, v_width %d\n", dga_screen_base, dga_fb_width));
1158	>	int screen_width = DisplayWidth(x_display, screen);
1159	>	int screen_height = DisplayHeight(x_display, screen);
1160	>	int apple_id = find_apple_resolution(screen_width, screen_height);
1161	>	if (apple_id != -1)
1162	>	cur_mode = find_mode(default_mode, apple_id, DIS_SCREEN);
1163	>	}
1164	>	if (cur_mode == -1)
1165	>	cur_mode = find_mode(default_mode, APPLE_W_640x480, DIS_WINDOW);
1166	>	assert(cur_mode != -1);
1167	>
1168	>	#if DEBUG
1169	>	D(bug("Available video modes:\n"));
1170	>	for (p = VModes; p->viType != DIS_INVALID; p++) {
1171	>	int bits = depth_of_video_mode(p->viAppleMode);
1172	>	D(bug(" %dx%d (ID %02x), %d colors\n", p->viXsize, p->viYsize, p->viAppleID, 1 << bits));
1173		}
1174		#endif
1175
#	Line 859 | Line 1184 | bool VideoInit(void)
1184
1185		// Start periodic thread
1186		XSync(x_display, false);
1187	<	redraw_thread_active = (pthread_create(&redraw_thread, NULL, redraw_func, NULL) == 0);
1187	>	Set_pthread_attr(&redraw_thread_attr, 0);
1188	>	redraw_thread_active = (pthread_create(&redraw_thread, &redraw_thread_attr, redraw_func, NULL) == 0);
1189		D(bug("Redraw thread installed (%ld)\n", redraw_thread));
1190		return true;
1191		}
#	Line 891 | Line 1217 | void VideoExit(void)
1217		close_display();
1218		XFlush(x_display);
1219		XSync(x_display, false);
894	–	if (depth == 8) {
895	–	XFreeColormap(x_display, cmap[0]);
896	–	XFreeColormap(x_display, cmap[1]);
897	–	}
1220		}
1221		}
1222
#	Line 958 | Line 1280 | static void resume_emul(void)
1280		// Reopen full screen display
1281		XGrabKeyboard(x_display, rootwin, 1, GrabModeAsync, GrabModeAsync, CurrentTime);
1282		XGrabPointer(x_display, rootwin, 1, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
1283	+	#ifdef ENABLE_XF86_DGA
1284		XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
1285		XF86DGASetViewPort(x_display, screen, 0, 0);
1286	+	#endif
1287		XSync(x_display, false);
1288
1289		// the_buffer already contains the data to restore. i.e. since a temporary
#	Line 1175 | Line 1499 | static void handle_events(void)
1499		for (;;) {
1500		XEvent event;
1501
1502	<	if (!XCheckMaskEvent(x_display, eventmask, &event))
1502	>	XDisplayLock();
1503	>	if (!XCheckMaskEvent(x_display, eventmask, &event)) {
1504	>	// Handle clipboard events
1505	>	if (XCheckTypedEvent(x_display, SelectionRequest, &event))
1506	>	ClipboardSelectionRequest(&event.xselectionrequest);
1507	>	else if (XCheckTypedEvent(x_display, SelectionClear, &event))
1508	>	ClipboardSelectionClear(&event.xselectionclear);
1509	>
1510	>	// Window "close" widget clicked
1511	>	else if (XCheckTypedEvent(x_display, ClientMessage, &event)) {
1512	>	if (event.xclient.format == 32 && event.xclient.data.l[0] == WM_DELETE_WINDOW) {
1513	>	ADBKeyDown(0x7f);       // Power key
1514	>	ADBKeyUp(0x7f);
1515	>	}
1516	>	}
1517	>
1518	>	XDisplayUnlock();
1519		break;
1520	+	}
1521	+	XDisplayUnlock();
1522
1523		switch (event.type) {
1524		// Mouse button
#	Line 1184 | Line 1526 | static void handle_events(void)
1526		unsigned int button = ((XButtonEvent *)&event)->button;
1527		if (button < 4)
1528		ADBMouseDown(button - 1);
1529	+	else if (button < 6) {  // Wheel mouse
1530	+	if (mouse_wheel_mode == 0) {
1531	+	int key = (button == 5) ? 0x79 : 0x74;  // Page up/down
1532	+	ADBKeyDown(key);
1533	+	ADBKeyUp(key);
1534	+	} else {
1535	+	int key = (button == 5) ? 0x3d : 0x3e;  // Cursor up/down
1536	+	for(int i=0; i<mouse_wheel_lines; i++) {
1537	+	ADBKeyDown(key);
1538	+	ADBKeyUp(key);
1539	+	}
1540	+	}
1541	+	}
1542		break;
1543		}
1544		case ButtonRelease: {
#	Line 1193 | Line 1548 | static void handle_events(void)
1548		break;
1549		}
1550
1551	<	// Mouse moved
1551	>	// Mouse entered window
1552		case EnterNotify:
1553	<	ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
1553	>	if (event.xcrossing.mode != NotifyGrab && event.xcrossing.mode != NotifyUngrab)
1554	>	ADBMouseMoved(event.xmotion.x, event.xmotion.y);
1555		break;
1556	+
1557	+	// Mouse moved
1558		case MotionNotify:
1559	<	ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
1559	>	ADBMouseMoved(event.xmotion.x, event.xmotion.y);
1560		break;
1561
1562		// Keyboard
#	Line 1265 | Line 1623 | void VideoVBL(void)
1623		*  Install graphics acceleration
1624		*/
1625
1626	<	#if 0
1627	<	// Rectangle blitting
1628	<	static void accl_bitblt(accl_params *p)
1626	>	// Rectangle inversion
1627	>	template< int bpp >
1628	>	static inline void do_invrect(uint8 *dest, uint32 length)
1629		{
1630	<	D(bug("accl_bitblt\n"));
1630	>	#define INVERT_1(PTR, OFS) ((uint8  *)(PTR))[OFS] = ~((uint8  *)(PTR))[OFS]
1631	>	#define INVERT_2(PTR, OFS) ((uint16 *)(PTR))[OFS] = ~((uint16 *)(PTR))[OFS]
1632	>	#define INVERT_4(PTR, OFS) ((uint32 *)(PTR))[OFS] = ~((uint32 *)(PTR))[OFS]
1633	>	#define INVERT_8(PTR, OFS) ((uint64 *)(PTR))[OFS] = ~((uint64 *)(PTR))[OFS]
1634
1635	<	// Get blitting parameters
1636	<	int16 src_X = p->src_rect[1] - p->src_bounds[1];
1637	<	int16 src_Y = p->src_rect[0] - p->src_bounds[0];
1638	<	int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
1639	<	int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
1640	<	int16 width = p->dest_rect[3] - p->dest_rect[1] - 1;
1280	<	int16 height = p->dest_rect[2] - p->dest_rect[0] - 1;
1281	<	D(bug(" src X %d, src Y %d, dest X %d, dest Y %d\n", src_X, src_Y, dest_X, dest_Y));
1282	<	D(bug(" width %d, height %d\n", width, height));
1635	>	#ifndef UNALIGNED_PROFITABLE
1636	>	// Align on 16-bit boundaries
1637	>	if (bpp < 16 && (((uintptr)dest) & 1)) {
1638	>	INVERT_1(dest, 0);
1639	>	dest += 1; length -= 1;
1640	>	}
1641
1642	<	// And perform the blit
1643	<	bitblt_hook(src_X, src_Y, dest_X, dest_Y, width, height);
1644	<	}
1642	>	// Align on 32-bit boundaries
1643	>	if (bpp < 32 && (((uintptr)dest) & 2)) {
1644	>	INVERT_2(dest, 0);
1645	>	dest += 2; length -= 2;
1646	>	}
1647	>	#endif
1648
1649	<	static bool accl_bitblt_hook(accl_params *p)
1650	<	{
1651	<	D(bug("accl_draw_hook %p\n", p));
1649	>	// Invert 8-byte words
1650	>	if (length >= 8) {
1651	>	const int r = (length / 8) % 8;
1652	>	dest += r * 8;
1653
1654	<	// Check if we can accelerate this bitblt
1655	<	if (p->src_base_addr == screen_base && p->dest_base_addr == screen_base &&
1656	<	display_type == DIS_SCREEN && bitblt_hook != NULL &&
1657	<	((uint32 *)p)[0x18 >> 2] + ((uint32 *)p)[0x128 >> 2] == 0 &&
1658	<	((uint32 *)p)[0x130 >> 2] == 0 &&
1659	<	p->transfer_mode == 0 &&
1660	<	p->src_row_bytes > 0 && ((uint32 *)p)[0x15c >> 2] > 0) {
1654	>	int n = ((length / 8) + 7) / 8;
1655	>	switch (r) {
1656	>	case 0: do {
1657	>	dest += 64;
1658	>	INVERT_8(dest, -8);
1659	>	case 7: INVERT_8(dest, -7);
1660	>	case 6: INVERT_8(dest, -6);
1661	>	case 5: INVERT_8(dest, -5);
1662	>	case 4: INVERT_8(dest, -4);
1663	>	case 3: INVERT_8(dest, -3);
1664	>	case 2: INVERT_8(dest, -2);
1665	>	case 1: INVERT_8(dest, -1);
1666	>	} while (--n > 0);
1667	>	}
1668	>	}
1669
1670	<	// Yes, set function pointer
1671	<	p->draw_proc = accl_bitblt;
1672	<	return true;
1670	>	// 32-bit cell to invert?
1671	>	if (length & 4) {
1672	>	INVERT_4(dest, 0);
1673	>	if (bpp <= 16)
1674	>	dest += 4;
1675		}
1676	<	return false;
1676	>
1677	>	// 16-bit cell to invert?
1678	>	if (bpp <= 16 && (length & 2)) {
1679	>	INVERT_2(dest, 0);
1680	>	if (bpp <= 8)
1681	>	dest += 2;
1682	>	}
1683	>
1684	>	// 8-bit cell to invert?
1685	>	if (bpp <= 8 && (length & 1))
1686	>	INVERT_1(dest, 0);
1687	>
1688	>	#undef INVERT_1
1689	>	#undef INVERT_2
1690	>	#undef INVERT_4
1691	>	#undef INVERT_8
1692		}
1693
1694	<	// Rectangle filling/inversion
1308	<	static void accl_fillrect8(accl_params *p)
1694	>	void NQD_invrect(uint32 p)
1695		{
1696	<	D(bug("accl_fillrect8\n"));
1696	>	D(bug("accl_invrect %08x\n", p));
1697
1698	<	// Get filling parameters
1699	<	int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
1700	<	int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
1701	<	int16 dest_X_max = p->dest_rect[3] - p->dest_bounds[1] - 1;
1702	<	int16 dest_Y_max = p->dest_rect[2] - p->dest_bounds[0] - 1;
1317	<	uint8 color = p->pen_mode == 8 ? p->fore_pen : p->back_pen;
1698	>	// Get inversion parameters
1699	>	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
1700	>	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
1701	>	int16 width  = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
1702	>	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
1703		D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1704	<	D(bug(" dest X max %d, dest Y max %d\n", dest_X_max, dest_Y_max));
1704	>	D(bug(" width %d, height %d, bytes_per_row %d\n", width, height, (int32)ReadMacInt32(p + acclDestRowBytes)));
1705
1706	<	// And perform the fill
1707	<	fillrect8_hook(dest_X, dest_Y, dest_X_max, dest_Y_max, color);
1706	>	//!!?? pen_mode == 14
1707	>
1708	>	// And perform the inversion
1709	>	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclDestPixelSize));
1710	>	const int dest_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
1711	>	uint8 *dest = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y * dest_row_bytes) + (dest_X * bpp));
1712	>	width *= bpp;
1713	>	switch (bpp) {
1714	>	case 1:
1715	>	for (int i = 0; i < height; i++) {
1716	>	do_invrect<8>(dest, width);
1717	>	dest += dest_row_bytes;
1718	>	}
1719	>	break;
1720	>	case 2:
1721	>	for (int i = 0; i < height; i++) {
1722	>	do_invrect<16>(dest, width);
1723	>	dest += dest_row_bytes;
1724	>	}
1725	>	break;
1726	>	case 4:
1727	>	for (int i = 0; i < height; i++) {
1728	>	do_invrect<32>(dest, width);
1729	>	dest += dest_row_bytes;
1730	>	}
1731	>	break;
1732	>	}
1733		}
1734
1735	<	static void accl_fillrect32(accl_params *p)
1735	>	// Rectangle filling
1736	>	template< int bpp >
1737	>	static inline void do_fillrect(uint8 *dest, uint32 color, uint32 length)
1738		{
1739	<	D(bug("accl_fillrect32\n"));
1739	>	#define FILL_1(PTR, OFS, VAL) ((uint8  *)(PTR))[OFS] = (VAL)
1740	>	#define FILL_2(PTR, OFS, VAL) ((uint16 *)(PTR))[OFS] = (VAL)
1741	>	#define FILL_4(PTR, OFS, VAL) ((uint32 *)(PTR))[OFS] = (VAL)
1742	>	#define FILL_8(PTR, OFS, VAL) ((uint64 *)(PTR))[OFS] = (VAL)
1743
1744	<	// Get filling parameters
1745	<	int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
1746	<	int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
1747	<	int16 dest_X_max = p->dest_rect[3] - p->dest_bounds[1] - 1;
1748	<	int16 dest_Y_max = p->dest_rect[2] - p->dest_bounds[0] - 1;
1749	<	uint32 color = p->pen_mode == 8 ? p->fore_pen : p->back_pen;
1335	<	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1336	<	D(bug(" dest X max %d, dest Y max %d\n", dest_X_max, dest_Y_max));
1744	>	#ifndef UNALIGNED_PROFITABLE
1745	>	// Align on 16-bit boundaries
1746	>	if (bpp < 16 && (((uintptr)dest) & 1)) {
1747	>	FILL_1(dest, 0, color);
1748	>	dest += 1; length -= 1;
1749	>	}
1750
1751	<	// And perform the fill
1752	<	fillrect32_hook(dest_X, dest_Y, dest_X_max, dest_Y_max, color);
1751	>	// Align on 32-bit boundaries
1752	>	if (bpp < 32 && (((uintptr)dest) & 2)) {
1753	>	FILL_2(dest, 0, color);
1754	>	dest += 2; length -= 2;
1755	>	}
1756	>	#endif
1757	>
1758	>	// Fill 8-byte words
1759	>	if (length >= 8) {
1760	>	const uint64 c = (((uint64)color) << 32) | color;
1761	>	const int r = (length / 8) % 8;
1762	>	dest += r * 8;
1763	>
1764	>	int n = ((length / 8) + 7) / 8;
1765	>	switch (r) {
1766	>	case 0: do {
1767	>	dest += 64;
1768	>	FILL_8(dest, -8, c);
1769	>	case 7: FILL_8(dest, -7, c);
1770	>	case 6: FILL_8(dest, -6, c);
1771	>	case 5: FILL_8(dest, -5, c);
1772	>	case 4: FILL_8(dest, -4, c);
1773	>	case 3: FILL_8(dest, -3, c);
1774	>	case 2: FILL_8(dest, -2, c);
1775	>	case 1: FILL_8(dest, -1, c);
1776	>	} while (--n > 0);
1777	>	}
1778	>	}
1779	>
1780	>	// 32-bit cell to fill?
1781	>	if (length & 4) {
1782	>	FILL_4(dest, 0, color);
1783	>	if (bpp <= 16)
1784	>	dest += 4;
1785	>	}
1786	>
1787	>	// 16-bit cell to fill?
1788	>	if (bpp <= 16 && (length & 2)) {
1789	>	FILL_2(dest, 0, color);
1790	>	if (bpp <= 8)
1791	>	dest += 2;
1792	>	}
1793	>
1794	>	// 8-bit cell to fill?
1795	>	if (bpp <= 8 && (length & 1))
1796	>	FILL_1(dest, 0, color);
1797	>
1798	>	#undef FILL_1
1799	>	#undef FILL_2
1800	>	#undef FILL_4
1801	>	#undef FILL_8
1802		}
1803
1804	<	static void accl_invrect(accl_params *p)
1804	>	void NQD_fillrect(uint32 p)
1805		{
1806	<	D(bug("accl_invrect\n"));
1806	>	D(bug("accl_fillrect %08x\n", p));
1807
1808	<	// Get inversion parameters
1809	<	int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
1810	<	int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
1811	<	int16 dest_X_max = p->dest_rect[3] - p->dest_bounds[1] - 1;
1812	<	int16 dest_Y_max = p->dest_rect[2] - p->dest_bounds[0] - 1;
1808	>	// Get filling parameters
1809	>	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
1810	>	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
1811	>	int16 width  = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
1812	>	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
1813	>	uint32 color = ReadMacInt32(p + acclPenMode) == 8 ? ReadMacInt32(p + acclForePen) : ReadMacInt32(p + acclBackPen);
1814		D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1815	<	D(bug(" dest X max %d, dest Y max %d\n", dest_X_max, dest_Y_max));
1816	<
1354	<	//!!?? pen_mode == 14
1815	>	D(bug(" width %d, height %d\n", width, height));
1816	>	D(bug(" bytes_per_row %d color %08x\n", (int32)ReadMacInt32(p + acclDestRowBytes), color));
1817
1818	<	// And perform the inversion
1819	<	invrect_hook(dest_X, dest_Y, dest_X_max, dest_Y_max);
1818	>	// And perform the fill
1819	>	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclDestPixelSize));
1820	>	const int dest_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
1821	>	uint8 *dest = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y * dest_row_bytes) + (dest_X * bpp));
1822	>	width *= bpp;
1823	>	switch (bpp) {
1824	>	case 1:
1825	>	for (int i = 0; i < height; i++) {
1826	>	memset(dest, color, width);
1827	>	dest += dest_row_bytes;
1828	>	}
1829	>	break;
1830	>	case 2:
1831	>	for (int i = 0; i < height; i++) {
1832	>	do_fillrect<16>(dest, color, width);
1833	>	dest += dest_row_bytes;
1834	>	}
1835	>	break;
1836	>	case 4:
1837	>	for (int i = 0; i < height; i++) {
1838	>	do_fillrect<32>(dest, color, width);
1839	>	dest += dest_row_bytes;
1840	>	}
1841	>	break;
1842	>	}
1843		}
1844
1845	<	static bool accl_fillrect_hook(accl_params *p)
1845	>	bool NQD_fillrect_hook(uint32 p)
1846		{
1847	<	D(bug("accl_fillrect_hook %p\n", p));
1847	>	D(bug("accl_fillrect_hook %08x\n", p));
1848
1849		// Check if we can accelerate this fillrect
1850	<	if (p->dest_base_addr == screen_base && ((uint32 *)p)[0x284 >> 2] != 0 && display_type == DIS_SCREEN) {
1851	<	if (p->transfer_mode == 8) {
1850	>	if (ReadMacInt32(p + 0x284) != 0 && ReadMacInt32(p + acclDestPixelSize) >= 8) {
1851	>	const int transfer_mode = ReadMacInt32(p + acclTransferMode);
1852	>	if (transfer_mode == 8) {
1853		// Fill
1854	<	if (p->dest_pixel_size == 8 && fillrect8_hook != NULL) {
1855	<	p->draw_proc = accl_fillrect8;
1856	<	return true;
1857	<	} else if (p->dest_pixel_size == 32 && fillrect32_hook != NULL) {
1372	<	p->draw_proc = accl_fillrect32;
1373	<	return true;
1374	<	}
1375	<	} else if (p->transfer_mode == 10 && invrect_hook != NULL) {
1854	>	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_FILLRECT));
1855	>	return true;
1856	>	}
1857	>	else if (transfer_mode == 10) {
1858		// Invert
1859	<	p->draw_proc = accl_invrect;
1859	>	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_INVRECT));
1860		return true;
1861		}
1862		}
1863		return false;
1864		}
1865
1866	+	// Rectangle blitting
1867	+	// TODO: optimize for VOSF and target pixmap == screen
1868	+	void NQD_bitblt(uint32 p)
1869	+	{
1870	+	D(bug("accl_bitblt %08x\n", p));
1871	+
1872	+	// Get blitting parameters
1873	+	int16 src_X  = (int16)ReadMacInt16(p + acclSrcRect + 2) - (int16)ReadMacInt16(p + acclSrcBoundsRect + 2);
1874	+	int16 src_Y  = (int16)ReadMacInt16(p + acclSrcRect + 0) - (int16)ReadMacInt16(p + acclSrcBoundsRect + 0);
1875	+	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
1876	+	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
1877	+	int16 width  = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
1878	+	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
1879	+	D(bug(" src addr %08x, dest addr %08x\n", ReadMacInt32(p + acclSrcBaseAddr), ReadMacInt32(p + acclDestBaseAddr)));
1880	+	D(bug(" src X %d, src Y %d, dest X %d, dest Y %d\n", src_X, src_Y, dest_X, dest_Y));
1881	+	D(bug(" width %d, height %d\n", width, height));
1882	+
1883	+	// And perform the blit
1884	+	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclSrcPixelSize));
1885	+	width *= bpp;
1886	+	if ((int32)ReadMacInt32(p + acclSrcRowBytes) > 0) {
1887	+	const int src_row_bytes = (int32)ReadMacInt32(p + acclSrcRowBytes);
1888	+	const int dst_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
1889	+	uint8 *src = Mac2HostAddr(ReadMacInt32(p + acclSrcBaseAddr) + (src_Y * src_row_bytes) + (src_X * bpp));
1890	+	uint8 *dst = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y * dst_row_bytes) + (dest_X * bpp));
1891	+	for (int i = 0; i < height; i++) {
1892	+	memmove(dst, src, width);
1893	+	src += src_row_bytes;
1894	+	dst += dst_row_bytes;
1895	+	}
1896	+	}
1897	+	else {
1898	+	const int src_row_bytes = -(int32)ReadMacInt32(p + acclSrcRowBytes);
1899	+	const int dst_row_bytes = -(int32)ReadMacInt32(p + acclDestRowBytes);
1900	+	uint8 *src = Mac2HostAddr(ReadMacInt32(p + acclSrcBaseAddr) + ((src_Y + height - 1) * src_row_bytes) + (src_X * bpp));
1901	+	uint8 *dst = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + ((dest_Y + height - 1) * dst_row_bytes) + (dest_X * bpp));
1902	+	for (int i = height - 1; i >= 0; i--) {
1903	+	memmove(dst, src, width);
1904	+	src -= src_row_bytes;
1905	+	dst -= dst_row_bytes;
1906	+	}
1907	+	}
1908	+	}
1909	+
1910	+	/*
1911	+	BitBlt transfer modes:
1912	+	0 : srcCopy
1913	+	1 : srcOr
1914	+	2 : srcXor
1915	+	3 : srcBic
1916	+	4 : notSrcCopy
1917	+	5 : notSrcOr
1918	+	6 : notSrcXor
1919	+	7 : notSrcBic
1920	+	32 : blend
1921	+	33 : addPin
1922	+	34 : addOver
1923	+	35 : subPin
1924	+	36 : transparent
1925	+	37 : adMax
1926	+	38 : subOver
1927	+	39 : adMin
1928	+	50 : hilite
1929	+	*/
1930	+
1931	+	bool NQD_bitblt_hook(uint32 p)
1932	+	{
1933	+	D(bug("accl_draw_hook %08x\n", p));
1934	+
1935	+	// Check if we can accelerate this bitblt
1936	+	if (ReadMacInt32(p + 0x018) + ReadMacInt32(p + 0x128) == 0 &&
1937	+	ReadMacInt32(p + 0x130) == 0 &&
1938	+	ReadMacInt32(p + acclSrcPixelSize) >= 8 &&
1939	+	ReadMacInt32(p + acclSrcPixelSize) == ReadMacInt32(p + acclDestPixelSize) &&
1940	+	(ReadMacInt32(p + acclSrcRowBytes) ^ ReadMacInt32(p + acclDestRowBytes)) >= 0 && // same sign?
1941	+	ReadMacInt32(p + acclTransferMode) == 0 &&                                                                               // srcCopy?
1942	+	ReadMacInt32(p + 0x15c) > 0) {
1943	+
1944	+	// Yes, set function pointer
1945	+	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_BITBLT));
1946	+	return true;
1947	+	}
1948	+	return false;
1949	+	}
1950	+
1951		// Wait for graphics operation to finish
1952	<	static bool accl_sync_hook(void *arg)
1952	>	bool NQD_sync_hook(uint32 arg)
1953		{
1954	<	D(bug("accl_sync_hook %p\n", arg));
1388	<	if (sync_hook != NULL)
1389	<	sync_hook();
1954	>	D(bug("accl_sync_hook %08x\n", arg));
1955		return true;
1956		}
1957
1393	–	static struct accl_hook_info bitblt_hook_info = {accl_bitblt_hook, accl_sync_hook, ACCL_BITBLT};
1394	–	static struct accl_hook_info fillrect_hook_info = {accl_fillrect_hook, accl_sync_hook, ACCL_FILLRECT};
1395	–	#endif
1396	–
1958		void VideoInstallAccel(void)
1959		{
1960	+	// Temporary hack until it's fixed for e.g. little-endian & 64-bit platforms
1961	+	#ifndef __powerpc__
1962	+	return;
1963	+	#endif
1964	+
1965		// Install acceleration hooks
1966		if (PrefsFindBool("gfxaccel")) {
1967		D(bug("Video: Installing acceleration hooks\n"));
1968	<	//!!    NQDMisc(6, &bitblt_hook_info);
1969	<	//              NQDMisc(6, &fillrect_hook_info);
1968	>	uint32 base;
1969	>
1970	>	SheepVar bitblt_hook_info(sizeof(accl_hook_info));
1971	>	base = bitblt_hook_info.addr();
1972	>	WriteMacInt32(base + 0, NativeTVECT(NATIVE_BITBLT_HOOK));
1973	>	WriteMacInt32(base + 4, NativeTVECT(NATIVE_SYNC_HOOK));
1974	>	WriteMacInt32(base + 8, ACCL_BITBLT);
1975	>	NQDMisc(6, bitblt_hook_info.ptr());
1976	>
1977	>	SheepVar fillrect_hook_info(sizeof(accl_hook_info));
1978	>	base = fillrect_hook_info.addr();
1979	>	WriteMacInt32(base + 0, NativeTVECT(NATIVE_FILLRECT_HOOK));
1980	>	WriteMacInt32(base + 4, NativeTVECT(NATIVE_SYNC_HOOK));
1981	>	WriteMacInt32(base + 8, ACCL_FILLRECT);
1982	>	NQDMisc(6, fillrect_hook_info.ptr());
1983		}
1984		}
1985
#	Line 1463 | Line 2042 | int16 video_mode_change(VidLocals *csSav
2042
2043		void video_set_palette(void)
2044		{
2045	+	LOCK_PALETTE;
2046	+
2047	+	// Convert colors to XColor array
2048	+	int mode = get_current_mode();
2049	+	int num_in = palette_size(mode);
2050	+	int num_out = 256;
2051	+	bool stretch = false;
2052	+	if (IsDirectMode(mode)) {
2053	+	// If X is in 565 mode we have to stretch the gamma table from 32 to 64 entries
2054	+	num_out = vis->map_entries;
2055	+	stretch = true;
2056	+	}
2057	+	XColor *p = x_palette;
2058	+	for (int i=0; i<num_out; i++) {
2059	+	int c = (stretch ? (i * num_in) / num_out : i);
2060	+	p->red = mac_pal[c].red * 0x0101;
2061	+	p->green = mac_pal[c].green * 0x0101;
2062	+	p->blue = mac_pal[c].blue * 0x0101;
2063	+	p++;
2064	+	}
2065	+
2066	+	#ifdef ENABLE_VOSF
2067	+	// Recalculate pixel color expansion map
2068	+	if (!IsDirectMode(mode) && xdepth > 8) {
2069	+	for (int i=0; i<256; i++) {
2070	+	int c = i & (num_in-1); // If there are less than 256 colors, we repeat the first entries (this makes color expansion easier)
2071	+	ExpandMap[i] = map_rgb(mac_pal[c].red, mac_pal[c].green, mac_pal[c].blue);
2072	+	}
2073	+
2074	+	// We have to redraw everything because the interpretation of pixel values changed
2075	+	LOCK_VOSF;
2076	+	PFLAG_SET_ALL;
2077	+	UNLOCK_VOSF;
2078	+	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
2079	+	}
2080	+	#endif
2081	+
2082	+	// Tell redraw thread to change palette
2083		palette_changed = true;
2084	+
2085	+	UNLOCK_PALETTE;
2086	+	}
2087	+
2088	+
2089	+	/*
2090	+	*  Can we set the MacOS cursor image into the window?
2091	+	*/
2092	+
2093	+	bool video_can_change_cursor(void)
2094	+	{
2095	+	return hw_mac_cursor_accl && (display_type != DIS_SCREEN);
2096		}
2097
2098
#	Line 1590 | Line 2219 | static void update_display(void)
2219
2220		// Refresh display
2221		if (high && wide) {
2222	+	XDisplayLock();
2223		if (have_shm)
2224		XShmPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high, 0);
2225		else
2226		XPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high);
2227	+	XDisplayUnlock();
2228		}
2229		}
2230
2231	+	const int VIDEO_REFRESH_HZ = 60;
2232	+	const int VIDEO_REFRESH_DELAY = 1000000 / VIDEO_REFRESH_HZ;
2233	+
2234	+	static void handle_palette_changes(void)
2235	+	{
2236	+	LOCK_PALETTE;
2237	+
2238	+	if (palette_changed && !emul_suspended) {
2239	+	palette_changed = false;
2240	+
2241	+	int mode = get_current_mode();
2242	+	if (color_class == PseudoColor || color_class == DirectColor) {
2243	+	int num = vis->map_entries;
2244	+	bool set_clut = true;
2245	+	if (!IsDirectMode(mode) && color_class == DirectColor) {
2246	+	if (display_type == DIS_WINDOW)
2247	+	set_clut = false; // Indexed mode on true color screen, don't set CLUT
2248	+	}
2249	+
2250	+	if (set_clut) {
2251	+	XDisplayLock();
2252	+	XStoreColors(x_display, cmap[0], x_palette, num);
2253	+	XStoreColors(x_display, cmap[1], x_palette, num);
2254	+	XSync(x_display, false);
2255	+	XDisplayUnlock();
2256	+	}
2257	+	}
2258	+
2259	+	#ifdef ENABLE_XF86_DGA
2260	+	if (display_type == DIS_SCREEN) {
2261	+	current_dga_cmap ^= 1;
2262	+	if (!IsDirectMode(mode) && cmap[current_dga_cmap])
2263	+	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
2264	+	}
2265	+	#endif
2266	+	}
2267	+
2268	+	UNLOCK_PALETTE;
2269	+	}
2270	+
2271		static void *redraw_func(void *arg)
2272		{
2273	<	int tick_counter = 0;
1603	<	struct timespec req = {0, 16666667};
2273	>	int fd = ConnectionNumber(x_display);
2274
2275	<	for (;;) {
2275	>	uint64 start = GetTicks_usec();
2276	>	int64 ticks = 0;
2277	>	uint64 next = GetTicks_usec() + VIDEO_REFRESH_DELAY;
2278
2279	<	// Wait
1608	<	nanosleep(&req, NULL);
2279	>	for (;;) {
2280
2281		// Pause if requested (during video mode switches)
2282		while (thread_stop_req)
2283		thread_stop_ack = true;
2284
2285	<	// Handle X11 events
2286	<	handle_events();
2285	>	int64 delay = next - GetTicks_usec();
2286	>	if (delay < -VIDEO_REFRESH_DELAY) {
2287	>
2288	>	// We are lagging far behind, so we reset the delay mechanism
2289	>	next = GetTicks_usec();
2290	>
2291	>	} else if (delay <= 0) {
2292
2293	<	// Quit DGA mode if requested
2294	<	if (quit_full_screen) {
2295	<	quit_full_screen = false;
2296	<	if (display_type == DIS_SCREEN) {
2293	>	// Delay expired, refresh display
2294	>	next += VIDEO_REFRESH_DELAY;
2295	>	ticks++;
2296	>
2297	>	// Handle X11 events
2298	>	handle_events();
2299	>
2300	>	// Quit DGA mode if requested
2301	>	if (quit_full_screen) {
2302	>	quit_full_screen = false;
2303	>	if (display_type == DIS_SCREEN) {
2304	>	XDisplayLock();
2305		#ifdef ENABLE_XF86_DGA
2306	<	XF86DGADirectVideo(x_display, screen, 0);
2307	<	XUngrabPointer(x_display, CurrentTime);
2308	<	XUngrabKeyboard(x_display, CurrentTime);
2309	<	#endif
2310	<	XSync(x_display, false);
2311	<	quit_full_screen_ack = true;
2312	<	return NULL;
2306	>	XF86DGADirectVideo(x_display, screen, 0);
2307	>	XUngrabPointer(x_display, CurrentTime);
2308	>	XUngrabKeyboard(x_display, CurrentTime);
2309	>	XUnmapWindow(x_display, the_win);
2310	>	wait_unmapped(the_win);
2311	>	XDestroyWindow(x_display, the_win);
2312	>	#endif
2313	>	XSync(x_display, false);
2314	>	XDisplayUnlock();
2315	>	quit_full_screen_ack = true;
2316	>	return NULL;
2317	>	}
2318		}
1630	–	}
2319
2320	<	// Refresh display and set cursor image in window mode
2321	<	if (display_type == DIS_WINDOW) {
2322	<	tick_counter++;
2323	<	if (tick_counter >= frame_skip) {
2324	<	tick_counter = 0;
2320	>	// Refresh display and set cursor image in window mode
2321	>	static int tick_counter = 0;
2322	>	if (display_type == DIS_WINDOW) {
2323	>	tick_counter++;
2324	>	if (tick_counter >= frame_skip) {
2325	>	tick_counter = 0;
2326
2327	<	// Update display
2327	>	// Update display
2328		#ifdef ENABLE_VOSF
2329	<	if (use_vosf) {
2330	<	if (mainBuffer.dirty) {
2331	<	LOCK_VOSF;
2332	<	update_display_window_vosf();
2333	<	UNLOCK_VOSF;
2334	<	XSync(x_display, false); // Let the server catch up
2329	>	if (use_vosf) {
2330	>	XDisplayLock();
2331	>	if (mainBuffer.dirty) {
2332	>	LOCK_VOSF;
2333	>	update_display_window_vosf();
2334	>	UNLOCK_VOSF;
2335	>	XSync(x_display, false); // Let the server catch up
2336	>	}
2337	>	XDisplayUnlock();
2338		}
2339	<	}
1648	<	else
2339	>	else
2340		#endif
2341	<	update_display();
2341	>	update_display();
2342
2343	<	// Set new cursor image if it was changed
2344	<	if (cursor_changed) {
2345	<	cursor_changed = false;
2346	<	memcpy(cursor_image->data, MacCursor + 4, 32);
2347	<	memcpy(cursor_mask_image->data, MacCursor + 36, 32);
2348	<	XFreeCursor(x_display, mac_cursor);
2349	<	XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16);
2350	<	XPutImage(x_display, cursor_mask_map, cursor_mask_gc, cursor_mask_image, 0, 0, 0, 0, 16, 16);
2351	<	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, MacCursor[2], MacCursor[3]);
2352	<	XDefineCursor(x_display, the_win, mac_cursor);
2343	>	// Set new cursor image if it was changed
2344	>	if (hw_mac_cursor_accl && cursor_changed) {
2345	>	cursor_changed = false;
2346	>	memcpy(cursor_image->data, MacCursor + 4, 32);
2347	>	memcpy(cursor_mask_image->data, MacCursor + 36, 32);
2348	>	XDisplayLock();
2349	>	XFreeCursor(x_display, mac_cursor);
2350	>	XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16);
2351	>	XPutImage(x_display, cursor_mask_map, cursor_mask_gc, cursor_mask_image, 0, 0, 0, 0, 16, 16);
2352	>	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, MacCursor[2], MacCursor[3]);
2353	>	XDefineCursor(x_display, the_win, mac_cursor);
2354	>	XDisplayUnlock();
2355	>	}
2356		}
2357		}
1664	–	}
2358		#ifdef ENABLE_VOSF
2359	<	else if (use_vosf) {
2360	<	// Update display (VOSF variant)
2361	<	static int tick_counter = 0;
2362	<	if (++tick_counter >= frame_skip) {
2363	<	tick_counter = 0;
2364	<	if (mainBuffer.dirty) {
2365	<	LOCK_VOSF;
2366	<	update_display_dga_vosf();
2367	<	UNLOCK_VOSF;
2359	>	else if (use_vosf) {
2360	>	// Update display (VOSF variant)
2361	>	if (++tick_counter >= frame_skip) {
2362	>	tick_counter = 0;
2363	>	if (mainBuffer.dirty) {
2364	>	LOCK_VOSF;
2365	>	update_display_dga_vosf();
2366	>	UNLOCK_VOSF;
2367	>	}
2368		}
2369		}
1677	–	}
2370		#endif
2371
2372	<	// Set new palette if it was changed
2373	<	if (palette_changed && !emul_suspended) {
2374	<	palette_changed = false;
2375	<	XColor c[256];
2376	<	for (int i=0; i<256; i++) {
2377	<	c[i].pixel = i;
2378	<	c[i].red = mac_pal[i].red * 0x0101;
2379	<	c[i].green = mac_pal[i].green * 0x0101;
2380	<	c[i].blue = mac_pal[i].blue * 0x0101;
2381	<	c[i].flags = DoRed | DoGreen | DoBlue;
2382	<	}
2383	<	if (depth == 8) {
2384	<	XStoreColors(x_display, cmap[0], c, 256);
2385	<	XStoreColors(x_display, cmap[1], c, 256);
1694	<	#ifdef ENABLE_XF86_DGA
1695	<	if (display_type == DIS_SCREEN) {
1696	<	current_dga_cmap ^= 1;
1697	<	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
1698	<	}
1699	<	#endif
1700	<	}
2372	>	// Set new palette if it was changed
2373	>	handle_palette_changes();
2374	>
2375	>	} else {
2376	>
2377	>	// No display refresh pending, check for X events
2378	>	fd_set readfds;
2379	>	FD_ZERO(&readfds);
2380	>	FD_SET(fd, &readfds);
2381	>	struct timeval timeout;
2382	>	timeout.tv_sec = 0;
2383	>	timeout.tv_usec = delay;
2384	>	if (select(fd+1, &readfds, NULL, NULL, &timeout) > 0)
2385	>	handle_events();
2386		}
2387		}
2388		return NULL;

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