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root/cebix/BasiliskII/src/AmigaOS/video_amiga.cpp

Comparing BasiliskII/src/AmigaOS/video_amiga.cpp (file contents):
Revision 1.6 by cebix, 2000-07-14T21:29:12Z vs.
Revision 1.21 by jlachmann, 2001-10-16T17:27:52Z

#	Line 1 | Line 1
1		/*
2		*  video_amiga.cpp - Video/graphics emulation, AmigaOS specific stuff
3		*
4	<	*  Basilisk II (C) 1997-2000 Christian Bauer
4	>	*  Basilisk II (C) 1997-2001 Christian Bauer
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 22 | Line 22
22		#include <intuition/intuition.h>
23		#include <graphics/rastport.h>
24		#include <graphics/gfx.h>
25	<	#include <cybergraphx/cybergraphics.h>
25	>	#include <cybergraphics/cybergraphics.h>
26		#include <dos/dostags.h>
27		#include <devices/timer.h>
28		#include <proto/exec.h>
#	Line 33 | Line 33
33		#include <proto/cybergraphics.h>
34
35		#include "sysdeps.h"
36	+	#include "cpu_emulation.h"
37		#include "main.h"
38		#include "adb.h"
39		#include "prefs.h"
#	Line 57 | Line 58 | static int display_type = DISPLAY_WINDOW
58		static struct Screen *the_screen = NULL;
59		static struct Window *the_win = NULL;
60		static struct BitMap *the_bitmap = NULL;
61	+	static UWORD *null_pointer = NULL;                              // Blank mouse pointer data
62	+	static UWORD *current_pointer = (UWORD *)-1;    // Currently visible mouse pointer data
63		static LONG black_pen = -1, white_pen = -1;
64		static struct Process *periodic_proc = NULL;    // Periodic process
65	+	static int window_width, window_height;         // width and height for window display
66	+	static ULONG screen_mode_id;                    // mode ID for screen display
67
68		extern struct Task *MainTask;                                   // Pointer to main task (from main_amiga.cpp)
69
#	Line 85 | Line 90 | static const uint8 keycode2mac[0x80] = {
90
91
92		// Prototypes
93	+	static bool video_open(const video_mode &mode);
94	+	static void video_close();
95		static void periodic_func(void);
96	+	static void add_mode(uint32 width, uint32 height, uint32 resolution_id, uint32 bytes_per_row, video_depth depth);
97	+	static void add_modes(uint32 width, uint32 height, video_depth depth);
98	+	static ULONG find_mode_for_depth(uint32 width, uint32 height, uint32 depth);
99	+	static ULONG bits_from_depth(video_depth depth);
100	+	static bool is_valid_modeid(int display_type, ULONG mode_id);
101	+	static bool check_modeid_p96(ULONG mode_id);
102	+	static bool check_modeid_cgfx(ULONG mode_id);
103
104
105		/*
106		*  Initialization
107		*/
108
109	+
110		// Open window
111		static bool init_window(int width, int height)
112		{
#	Line 114 | Line 129 | static bool init_window(int width, int h
129		TAG_END
130		);
131		if (the_win == NULL) {
132	<	ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
132	>	ErrorAlert(STR_OPEN_WINDOW_ERR);
133		return false;
134		}
135
136		// Create bitmap ("height + 2" for safety)
137		the_bitmap = AllocBitMap(width, height + 2, 1, BMF_CLEAR, NULL);
138		if (the_bitmap == NULL) {
139	<	ErrorAlert(GetString(STR_NO_MEM_ERR));
139	>	ErrorAlert(STR_NO_MEM_ERR);
140		return false;
141		}
142
143	<	// Set VideoMonitor
143	>	// Add resolution and set VideoMonitor
144		VideoMonitor.mac_frame_base = (uint32)the_bitmap->Planes[0];
130	–	VideoMonitor.bytes_per_row = the_bitmap->BytesPerRow;
131	–	VideoMonitor.x = width;
132	–	VideoMonitor.y = height;
133	–	VideoMonitor.mode = VMODE_1BIT;
145
146		// Set FgPen and BgPen
147		black_pen = ObtainBestPenA(the_win->WScreen->ViewPort.ColorMap, 0, 0, 0, NULL);
#	Line 169 | Line 180 | static bool init_pip(int width, int heig
180		TAG_END
181		);
182		if (the_win == NULL || error) {
183	<	ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
183	>	ErrorAlert(STR_OPEN_WINDOW_ERR);
184		return false;
185		}
186
187		// Find bitmap
188		p96PIP_GetTags(the_win, P96PIP_SourceBitMap, (ULONG)&the_bitmap, TAG_END);
189
190	<	// Set VideoMonitor
190	>	// Add resolution and set VideoMonitor
191		VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_bitmap, P96BMA_MEMORY);
192	<	VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_bitmap, P96BMA_BYTESPERROW);
182	<	VideoMonitor.x = width;
183	<	VideoMonitor.y = height;
184	<	VideoMonitor.mode = VMODE_16BIT;
192	>
193		return true;
194		}
195
#	Line 192 | Line 200 | static bool init_screen_p96(ULONG mode_i
200		ADBSetRelMouseMode(true);
201
202		// Check if the mode is one we can handle
203	<	uint32 depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH);
204	<	uint32 format = p96GetModeIDAttr(mode_id, P96IDA_RGBFORMAT);
205	<
206	<	switch (depth) {
207	<	case 8:
200	<	VideoMonitor.mode = VMODE_8BIT;
201	<	break;
202	<	case 15:
203	<	case 16:
204	<	if (format != RGBFB_R5G5B5) {
205	<	ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
206	<	return false;
207	<	}
208	<	VideoMonitor.mode = VMODE_16BIT;
209	<	break;
210	<	case 24:
211	<	case 32:
212	<	if (format != RGBFB_A8R8G8B8) {
213	<	ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
214	<	return false;
215	<	}
216	<	VideoMonitor.mode = VMODE_32BIT;
217	<	break;
218	<	default:
219	<	ErrorAlert(GetString(STR_WRONG_SCREEN_DEPTH_ERR));
220	<	return false;
221	<	}
203	>	if (!check_modeid_p96(mode_id))
204	>	{
205	>	ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
206	>	return false;
207	>	}
208
209		// Yes, get width and height
210	+	uint32 depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH);
211		uint32 width = p96GetModeIDAttr(mode_id, P96IDA_WIDTH);
212		uint32 height = p96GetModeIDAttr(mode_id, P96IDA_HEIGHT);
213
227	–	VideoMonitor.x = width;
228	–	VideoMonitor.y = height;
229	–
214		// Open screen
215		the_screen = p96OpenScreenTags(
216		P96SA_DisplayID, mode_id,
#	Line 238 | Line 222 | static bool init_screen_p96(ULONG mode_i
222		TAG_END
223		);
224		if (the_screen == NULL) {
225	<	ErrorAlert(GetString(STR_OPEN_SCREEN_ERR));
225	>	ErrorAlert(STR_OPEN_SCREEN_ERR);
226		return false;
227		}
228
#	Line 246 | Line 230 | static bool init_screen_p96(ULONG mode_i
230		the_win = OpenWindowTags(NULL,
231		WA_Left, 0, WA_Top, 0,
232		WA_Width, width, WA_Height, height,
233	+	WA_SimpleRefresh, TRUE,
234		WA_NoCareRefresh, TRUE,
235		WA_Borderless, TRUE,
236		WA_Activate, TRUE,
#	Line 255 | Line 240 | static bool init_screen_p96(ULONG mode_i
240		TAG_END
241		);
242		if (the_win == NULL) {
243	<	ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
243	>	ErrorAlert(STR_OPEN_WINDOW_ERR);
244		return false;
245		}
246
262	–	// Set VideoMonitor
247		ScreenToFront(the_screen);
248	+
249	+	// Add resolution and set VideoMonitor
250		VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_MEMORY);
251	<	VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_BYTESPERROW);
251	>
252		return true;
253		}
254
#	Line 273 | Line 259 | static bool init_screen_cgfx(ULONG mode_
259		ADBSetRelMouseMode(true);
260
261		// Check if the mode is one we can handle
262	<	uint32 depth = GetCyberIDAttr(CYBRIDATTR_DEPTH, mode_id);
263	<	uint32 format = GetCyberIDAttr(CYBRIDATTR_PIXFMT, mode_id);
264	<
265	<	switch (depth) {
266	<	case 8:
281	<	VideoMonitor.mode = VMODE_8BIT;
282	<	break;
283	<	case 15:
284	<	case 16:
285	<	if (format != PIXFMT_RGB16) {
286	<	ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
287	<	return false;
288	<	}
289	<	VideoMonitor.mode = VMODE_16BIT;
290	<	break;
291	<	case 24:
292	<	case 32:
293	<	if (format != PIXFMT_ARGB32) {
294	<	ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
295	<	return false;
296	<	}
297	<	VideoMonitor.mode = VMODE_32BIT;
298	<	break;
299	<	default:
300	<	ErrorAlert(GetString(STR_WRONG_SCREEN_DEPTH_ERR));
301	<	return false;
302	<	}
262	>	if (!check_modeid_cgfx(mode_id))
263	>	{
264	>	ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
265	>	return false;
266	>	}
267
268		// Yes, get width and height
269	+	uint32 depth = GetCyberIDAttr(CYBRIDATTR_DEPTH, mode_id);
270		uint32 width = GetCyberIDAttr(CYBRIDATTR_WIDTH, mode_id);
271		uint32 height = GetCyberIDAttr(CYBRIDATTR_HEIGHT, mode_id);
272
308	–	VideoMonitor.x = width;
309	–	VideoMonitor.y = height;
310	–
273		// Open screen
274		the_screen = OpenScreenTags(NULL,
275		SA_DisplayID, mode_id,
#	Line 317 | Line 279 | static bool init_screen_cgfx(ULONG mode_
279		TAG_END
280		);
281		if (the_screen == NULL) {
282	<	ErrorAlert(GetString(STR_OPEN_SCREEN_ERR));
282	>	ErrorAlert(STR_OPEN_SCREEN_ERR);
283		return false;
284		}
285
#	Line 325 | Line 287 | static bool init_screen_cgfx(ULONG mode_
287		the_win = OpenWindowTags(NULL,
288		WA_Left, 0, WA_Top, 0,
289		WA_Width, width, WA_Height, height,
290	+	WA_SimpleRefresh, TRUE,
291		WA_NoCareRefresh, TRUE,
292		WA_Borderless, TRUE,
293		WA_Activate, TRUE,
#	Line 334 | Line 297 | static bool init_screen_cgfx(ULONG mode_
297		TAG_END
298		);
299		if (the_win == NULL) {
300	<	ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
300	>	ErrorAlert(STR_OPEN_WINDOW_ERR);
301		return false;
302		}
303
341	–	// Set VideoMonitor
304		ScreenToFront(the_screen);
305		static UWORD ptr[] = { 0, 0, 0, 0 };
306		SetPointer(the_win, ptr, 0, 0, 0, 0);   // Hide mouse pointer
307	+
308	+	// Set VideoMonitor
309	+	ULONG frame_base;
310		APTR handle = LockBitMapTags(the_screen->RastPort.BitMap,
311	<	LBMI_BASEADDRESS, (ULONG)&VideoMonitor.mac_frame_base,
312	<	TAG_END);
311	>	LBMI_BASEADDRESS, (ULONG)&frame_base,
312	>	TAG_END
313	>	);
314		UnLockBitMap(handle);
315	<	VideoMonitor.bytes_per_row = GetCyberMapAttr(the_screen->RastPort.BitMap, CYBRMATTR_XMOD);
315	>
316	>	VideoMonitor.mac_frame_base = frame_base;
317	>
318		return true;
319		}
320
321		bool VideoInit(bool classic)
322		{
323	+	int default_width, default_height, default_depth;
324	+
325	+	// Allocate blank mouse pointer data
326	+	null_pointer = (UWORD *)AllocMem(12, MEMF_PUBLIC | MEMF_CHIP | MEMF_CLEAR);
327	+	if (null_pointer == NULL) {
328	+	ErrorAlert(STR_NO_MEM_ERR);
329	+	return false;
330	+	}
331	+
332		// Read frame skip prefs
333		frame_skip = PrefsFindInt32("frameskip");
334		if (frame_skip == 0)
#	Line 366 | Line 343 | bool VideoInit(bool classic)
343
344		// Determine type and mode
345		display_type = DISPLAY_WINDOW;
346	<	int width = 512, height = 384;
347	<	ULONG mode_id = 0;
346	>
347	>	default_width = window_width = 512;
348	>	default_height = window_height = 384;
349	>
350		if (mode_str) {
351	<	if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2)
351	>	if (sscanf(mode_str, "win/%d/%d", &window_width, &window_height) == 2)
352		display_type = DISPLAY_WINDOW;
353	<	else if (sscanf(mode_str, "pip/%d/%d", &width, &height) == 2 && P96Base)
353	>	else if (sscanf(mode_str, "pip/%d/%d", &window_width, &window_height) == 2 && P96Base)
354		display_type = DISPLAY_PIP;
355	<	else if (sscanf(mode_str, "scr/%08lx", &mode_id) == 1 && (CyberGfxBase || P96Base)) {
356	<	if (P96Base && p96GetModeIDAttr(mode_id, P96IDA_ISP96))
355	>	else if (sscanf(mode_str, "scr/%08lx", &screen_mode_id) == 1 && (CyberGfxBase || P96Base)) {
356	>	if (P96Base && p96GetModeIDAttr(screen_mode_id, P96IDA_ISP96))
357		display_type = DISPLAY_SCREEN_P96;
358	<	else if (CyberGfxBase && IsCyberModeID(mode_id))
358	>	else if (CyberGfxBase && IsCyberModeID(screen_mode_id))
359		display_type = DISPLAY_SCREEN_CGFX;
360		else {
361	<	ErrorAlert(GetString(STR_NO_P96_MODE_ERR));
361	>	ErrorAlert(STR_NO_P96_MODE_ERR);
362		return false;
363		}
364		}
365		}
366
367	+	// Construct list of supported modes
368	+	switch (display_type) {
369	+	case DISPLAY_WINDOW:
370	+	default_width = window_width;
371	+	default_height = window_height;
372	+	default_depth = 1;
373	+	add_modes(window_width, window_height, VDEPTH_1BIT);
374	+	break;
375	+
376	+	case DISPLAY_PIP:
377	+	default_depth = 16;
378	+	default_width = window_width;
379	+	default_height = window_height;
380	+	add_modes(window_width, window_height, VDEPTH_16BIT);
381	+	break;
382	+
383	+	case DISPLAY_SCREEN_P96:
384	+	case DISPLAY_SCREEN_CGFX:
385	+	struct DimensionInfo dimInfo;
386	+	DisplayInfoHandle handle = FindDisplayInfo(screen_mode_id);
387	+
388	+	if (NULL == handle)
389	+	return false;
390	+
391	+	if (GetDisplayInfoData(handle, (UBYTE *) &dimInfo, sizeof(dimInfo), DTAG_DIMS, 0) <= 0)
392	+	return false;
393	+
394	+	default_width = 1 + dimInfo.Nominal.MaxX - dimInfo.Nominal.MinX;
395	+	default_height = 1 + dimInfo.Nominal.MaxY - dimInfo.Nominal.MinY;
396	+	default_depth = dimInfo.MaxDepth;
397	+
398	+	for (unsigned d=VDEPTH_8BIT; d<=VDEPTH_32BIT; d++)
399	+	{
400	+	ULONG mode_id = find_mode_for_depth(default_width, default_height, bits_from_depth(video_depth(d)));
401	+
402	+	if (is_valid_modeid(display_type, mode_id))
403	+	{
404	+	add_modes(default_width, default_height, video_depth(d));
405	+	}
406	+	}
407	+	break;
408	+	}
409	+
410	+	video_init_depth_list();
411	+
412	+	#if DEBUG
413	+	bug("Available video modes:\n");
414	+	vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
415	+	while (i != end) {
416	+	bug(" %dx%d (ID %02x), %d colors\n", i->x, i->y, i->resolution_id, 1 << bits_from_depth(i->depth));
417	+	++i;
418	+	}
419	+	#endif
420	+
421	+	D(bug("VideoInit: def_width=%ld  def_height=%ld  def_depth=%ld\n", default_width, default_height, default_depth));
422	+
423	+	// Find requested default mode and open display
424	+	if (VideoModes.size() == 1)
425	+	return video_open(VideoModes[0]);
426	+	else {
427	+	// Find mode with specified dimensions
428	+	std::vector<video_mode>::const_iterator i, end = VideoModes.end();
429	+	for (i = VideoModes.begin(); i != end; ++i)
430	+	{
431	+	D(bug("VideoInit: w=%ld  h=%ld  d=%ld\n", i->x, i->y, bits_from_depth(i->depth)));
432	+	if (i->x == default_width && i->y == default_height && bits_from_depth(i->depth) == default_depth)
433	+	return video_open(*i);
434	+	}
435	+	return video_open(VideoModes[0]);
436	+	}
437	+
438	+	return true;
439	+	}
440	+
441	+
442	+	static bool video_open(const video_mode &mode)
443	+	{
444	+	ULONG depth_bits = bits_from_depth(mode.depth);
445	+	ULONG ID = find_mode_for_depth(mode.x, mode.y, depth_bits);
446	+
447	+	D(bug("video_open: width=%ld  height=%ld  depth=%ld  ID=%08lx\n", mode.x, mode.y, depth_bits, ID));
448	+
449	+	if (INVALID_ID == ID)
450	+	{
451	+	ErrorAlert(STR_NO_VIDEO_MODE_ERR);
452	+	return false;
453	+	}
454	+
455	+	VideoMonitor.mode = mode;
456	+
457		// Open display
458		switch (display_type) {
459		case DISPLAY_WINDOW:
460	<	if (!init_window(width, height))
460	>	if (!init_window(mode.x, mode.y))
461		return false;
462		break;
463
464		case DISPLAY_PIP:
465	<	if (!init_pip(width, height))
465	>	if (!init_pip(mode.x, mode.y))
466		return false;
467		break;
468
469		case DISPLAY_SCREEN_P96:
470	<	if (!init_screen_p96(mode_id))
470	>	if (!init_screen_p96(ID))
471		return false;
472		break;
473
474		case DISPLAY_SCREEN_CGFX:
475	<	if (!init_screen_cgfx(mode_id))
475	>	if (!init_screen_cgfx(ID))
476		return false;
477		break;
478		}
#	Line 416 | Line 485 | bool VideoInit(bool classic)
485		TAG_END
486		);
487		if (periodic_proc == NULL) {
488	<	ErrorAlert(GetString(STR_NO_MEM_ERR));
488	>	ErrorAlert(STR_NO_MEM_ERR);
489		return false;
490		}
491	+
492		return true;
493		}
494
495
496	<	/*
427	<	*  Deinitialization
428	<	*/
429	<
430	<	void VideoExit(void)
496	>	static void video_close()
497		{
498		// Stop periodic process
499		if (periodic_proc) {
#	Line 452 | Line 518 | void VideoExit(void)
518		ReleasePen(the_win->WScreen->ViewPort.ColorMap, white_pen);
519
520		CloseWindow(the_win);
521	+	the_win = NULL;
522		}
523		break;
524
#	Line 466 | Line 533 | void VideoExit(void)
533
534		// Close window
535		if (the_win)
536	+	{
537		CloseWindow(the_win);
538	+	the_win = NULL;
539	+	}
540
541		// Close screen
542		if (the_screen) {
#	Line 479 | Line 549 | void VideoExit(void)
549
550		// Close window
551		if (the_win)
552	+	{
553		CloseWindow(the_win);
554	+	the_win = NULL;
555	+	}
556
557		// Close screen
558		if (the_screen) {
#	Line 488 | Line 561 | void VideoExit(void)
561		}
562		break;
563		}
564	+
565	+	// Free mouse pointer
566	+	if (null_pointer) {
567	+	FreeMem(null_pointer, 12);
568	+	null_pointer = NULL;
569	+	}
570	+	}
571	+
572	+
573	+	/*
574	+	*  Deinitialization
575	+	*/
576	+
577	+	void VideoExit(void)
578	+	{
579	+	video_close();
580		}
581
582
#	Line 495 | Line 584 | void VideoExit(void)
584		*  Set palette
585		*/
586
587	<	void video_set_palette(uint8 *pal)
587	>	void video_set_palette(uint8 *pal, int num)
588		{
589	<	if (display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX) {
589	>	if ((display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX)
590	>	&& !IsDirectMode(VideoMonitor.mode)) {
591
592		// Convert palette to 32 bits
593		ULONG table[2 + 256 * 3];
594	<	table[0] = 256 << 16;
595	<	table[256 * 3 + 1] = 0;
596	<	for (int i=0; i<256; i++) {
594	>	table[0] = num << 16;
595	>	table[num * 3 + 1] = 0;
596	>	for (int i=0; i<num; i++) {
597		table[i*3+1] = pal[i*3] * 0x01010101;
598		table[i*3+2] = pal[i*3+1] * 0x01010101;
599		table[i*3+3] = pal[i*3+2] * 0x01010101;
#	Line 516 | Line 606 | void video_set_palette(uint8 *pal)
606
607
608		/*
609	+	*  Switch video mode
610	+	*/
611	+
612	+	void video_switch_to_mode(const video_mode &mode)
613	+	{
614	+	// Close and reopen display
615	+	video_close();
616	+	if (!video_open(mode))
617	+	{
618	+	ErrorAlert(STR_OPEN_WINDOW_ERR);
619	+	QuitEmulator();
620	+	}
621	+	}
622	+
623	+
624	+	/*
625	+	*  Close down full-screen mode (if bringing up error alerts is unsafe while in full-screen mode)
626	+	*/
627	+
628	+	void VideoQuitFullScreen(void)
629	+	{
630	+	}
631	+
632	+
633	+	/*
634		*  Video message handling (not neccessary under AmigaOS, handled by periodic_func())
635		*/
636
#	Line 573 | Line 688 | static __saveds void periodic_func(void)
688
689		// Timer tick, update display
690		BltTemplate(the_bitmap->Planes[0], 0, the_bitmap->BytesPerRow, the_win->RPort,
691	<	the_win->BorderLeft, the_win->BorderTop, VideoMonitor.x, VideoMonitor.y);
691	>	the_win->BorderLeft, the_win->BorderTop, VideoMonitor.mode.x, VideoMonitor.mode.y);
692
693		// Restart timer
694		timer_io->tr_node.io_Command = TR_ADDREQUEST;
#	Line 598 | Line 713 | static __saveds void periodic_func(void)
713		// Handle message according to class
714		switch (cl) {
715		case IDCMP_MOUSEMOVE:
716	<	if (display_type == DISPLAY_SCREEN || display_type == DISPLAY_SCREEN_CGFX)
716	>	if (display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX)
717		ADBMouseMoved(mx, my);
718	<	else
718	>	else {
719		ADBMouseMoved(mx - the_win->BorderLeft, my - the_win->BorderTop);
720	+	if (mx < the_win->BorderLeft
721	+	|| my < the_win->BorderTop
722	+	|| mx >= the_win->BorderLeft + VideoMonitor.mode.x
723	+	|| my >= the_win->BorderTop + VideoMonitor.mode.y) {
724	+	if (current_pointer) {
725	+	ClearPointer(the_win);
726	+	current_pointer = NULL;
727	+	}
728	+	} else {
729	+	if (current_pointer != null_pointer) {
730	+	// Hide mouse pointer inside window
731	+	SetPointer(the_win, null_pointer, 1, 16, 0, 0);
732	+	current_pointer = null_pointer;
733	+	}
734	+	}
735	+	}
736		break;
737
738		case IDCMP_MOUSEBUTTONS:
#	Line 622 | Line 753 | static __saveds void periodic_func(void)
753		case IDCMP_RAWKEY:
754		if (qualifier & IEQUALIFIER_REPEAT)     // Keyboard repeat is done by MacOS
755		break;
756	+	if ((qualifier & (IEQUALIFIER_LALT | IEQUALIFIER_LSHIFT | IEQUALIFIER_CONTROL)) ==
757	+	(IEQUALIFIER_LALT | IEQUALIFIER_LSHIFT | IEQUALIFIER_CONTROL) && code == 0x5f) {
758	+	SetInterruptFlag(INTFLAG_NMI);
759	+	TriggerInterrupt();
760	+	break;
761	+	}
762	+
763		if (code & IECODE_UP_PREFIX)
764		ADBKeyUp(keycode2mac[code & 0x7f]);
765		else
#	Line 663 | Line 801 | static __saveds void periodic_func(void)
801		Forbid();
802		Signal(MainTask, SIGF_SINGLE);
803		}
804	+
805	+
806	+	// Add mode to list of supported modes
807	+	static void add_mode(uint32 width, uint32 height, uint32 resolution_id, uint32 bytes_per_row, video_depth depth)
808	+	{
809	+	video_mode mode;
810	+	mode.x = width;
811	+	mode.y = height;
812	+	mode.resolution_id = resolution_id;
813	+	mode.bytes_per_row = bytes_per_row;
814	+	mode.depth = depth;
815	+
816	+	D(bug("Added video mode: w=%ld  h=%ld  d=%ld\n", width, height, depth));
817	+
818	+	VideoModes.push_back(mode);
819	+	}
820	+
821	+	// Add standard list of windowed modes for given color depth
822	+	static void add_modes(uint32 width, uint32 height, video_depth depth)
823	+	{
824	+	D(bug("add_modes: w=%ld  h=%ld  d=%ld\n", width, height, depth));
825	+
826	+	if (width >= 512 && height >= 384)
827	+	add_mode(512, 384, 0x80, TrivialBytesPerRow(512, depth), depth);
828	+	if (width >= 640 && height >= 480)
829	+	add_mode(640, 480, 0x81, TrivialBytesPerRow(640, depth), depth);
830	+	if (width >= 800 && height >= 600)
831	+	add_mode(800, 600, 0x82, TrivialBytesPerRow(800, depth), depth);
832	+	if (width >= 1024 && height >= 768)
833	+	add_mode(1024, 768, 0x83, TrivialBytesPerRow(1024, depth), depth);
834	+	if (width >= 1152 && height >= 870)
835	+	add_mode(1152, 870, 0x84, TrivialBytesPerRow(1152, depth), depth);
836	+	if (width >= 1280 && height >= 1024)
837	+	add_mode(1280, 1024, 0x85, TrivialBytesPerRow(1280, depth), depth);
838	+	if (width >= 1600 && height >= 1200)
839	+	add_mode(1600, 1200, 0x86, TrivialBytesPerRow(1600, depth), depth);
840	+	}
841	+
842	+
843	+	static ULONG find_mode_for_depth(uint32 width, uint32 height, uint32 depth)
844	+	{
845	+	ULONG ID = BestModeID(BIDTAG_NominalWidth, width,
846	+	BIDTAG_NominalHeight, height,
847	+	BIDTAG_Depth, depth,
848	+	BIDTAG_DIPFMustNotHave, DIPF_IS_ECS | DIPF_IS_HAM | DIPF_IS_AA,
849	+	TAG_END);
850	+
851	+	return ID;
852	+	}
853	+
854	+
855	+	static ULONG bits_from_depth(video_depth depth)
856	+	{
857	+	int bits = 1 << depth;
858	+	if (bits == 16)
859	+	bits = 15;
860	+	else if (bits == 32)
861	+	bits = 24;
862	+
863	+	return bits;
864	+	}
865	+
866	+
867	+	static bool is_valid_modeid(int display_type, ULONG mode_id)
868	+	{
869	+	if (INVALID_ID == mode_id)
870	+	return false;
871	+
872	+	switch (display_type)
873	+	{
874	+	case DISPLAY_SCREEN_P96:
875	+	return check_modeid_p96(mode_id);
876	+	break;
877	+	case DISPLAY_SCREEN_CGFX:
878	+	return check_modeid_cgfx(mode_id);
879	+	break;
880	+	default:
881	+	return false;
882	+	break;
883	+	}
884	+	}
885	+
886	+
887	+	static bool check_modeid_p96(ULONG mode_id)
888	+	{
889	+	// Check if the mode is one we can handle
890	+	uint32 depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH);
891	+	uint32 format = p96GetModeIDAttr(mode_id, P96IDA_RGBFORMAT);
892	+
893	+	if (!p96GetModeIDAttr(screen_mode_id, P96IDA_ISP96))
894	+	return false;
895	+
896	+	switch (depth) {
897	+	case 8:
898	+	break;
899	+	case 15:
900	+	case 16:
901	+	if (format != RGBFB_R5G5B5)
902	+	return false;
903	+	break;
904	+	case 24:
905	+	case 32:
906	+	if (format != RGBFB_A8R8G8B8)
907	+	return false;
908	+	break;
909	+	default:
910	+	return false;
911	+	}
912	+
913	+	return true;
914	+	}
915	+
916	+
917	+	static bool check_modeid_cgfx(ULONG mode_id)
918	+	{
919	+	uint32 depth = GetCyberIDAttr(CYBRIDATTR_DEPTH, mode_id);
920	+	uint32 format = GetCyberIDAttr(CYBRIDATTR_PIXFMT, mode_id);
921	+
922	+	D(bug("init_screen_cgfx: mode_id=%08lx  depth=%ld  format=%ld\n", mode_id, depth, format));
923	+
924	+	if (!IsCyberModeID(mode_id))
925	+	return false;
926	+
927	+	switch (depth) {
928	+	case 8:
929	+	break;
930	+	case 15:
931	+	case 16:
932	+	// !!! PIXFMT_RGB15 is correct !!!
933	+	if (format != PIXFMT_RGB15)
934	+	return false;
935	+	break;
936	+	case 24:
937	+	case 32:
938	+	if (format != PIXFMT_ARGB32)
939	+	return false;
940	+	break;
941	+	default:
942	+	return false;
943	+	}
944	+
945	+	return true;
946	+	}
947	+

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