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

Comparing BasiliskII/src/AmigaOS/video_amiga.cpp (file contents):
Revision 1.1.1.1 by cebix, 1999-10-03T14:16:25Z vs.
Revision 1.20 by jlachmann, 2001-10-14T18:00:44Z

#	Line 1 | Line 1
1		/*
2		*  video_amiga.cpp - Video/graphics emulation, AmigaOS specific stuff
3		*
4	<	*  Basilisk II (C) 1997-1999 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 <cybergraphics/cybergraphics.h>
26		#include <dos/dostags.h>
27		#include <devices/timer.h>
28		#include <proto/exec.h>
#	Line 29 | Line 30
30		#include <proto/intuition.h>
31		#include <proto/graphics.h>
32		#include <proto/Picasso96.h>
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"
40		#include "user_strings.h"
41		#include "video.h"
42
43	<	#define DEBUG 1
43	>	#define DEBUG 0
44		#include "debug.h"
45
46
#	Line 45 | Line 48
48		enum {
49		DISPLAY_WINDOW,
50		DISPLAY_PIP,
51	<	DISPLAY_SCREEN
51	>	DISPLAY_SCREEN_P96,
52	>	DISPLAY_SCREEN_CGFX
53		};
54
55		// Global variables
#	Line 54 | 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 82 | 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
101
102		/*
103		*  Initialization
104		*/
105
106	+
107		// Open window
108		static bool init_window(int width, int height)
109		{
#	Line 107 | Line 122 | static bool init_window(int width, int h
122		WA_DragBar, TRUE,
123		WA_DepthGadget, TRUE,
124		WA_SizeGadget, FALSE,
125	<	WA_Title, GetString(STR_WINDOW_TITLE),
125	>	WA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
126		TAG_END
127		);
128		if (the_win == NULL) {
129	<	ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
129	>	ErrorAlert(STR_OPEN_WINDOW_ERR);
130		return false;
131		}
132
133		// Create bitmap ("height + 2" for safety)
134		the_bitmap = AllocBitMap(width, height + 2, 1, BMF_CLEAR, NULL);
135		if (the_bitmap == NULL) {
136	<	ErrorAlert(GetString(STR_NO_MEM_ERR));
136	>	ErrorAlert(STR_NO_MEM_ERR);
137		return false;
138		}
139
140	<	// Set VideoMonitor
140	>	// Add resolution and set VideoMonitor
141		VideoMonitor.mac_frame_base = (uint32)the_bitmap->Planes[0];
127	–	VideoMonitor.bytes_per_row = the_bitmap->BytesPerRow;
128	–	VideoMonitor.x = width;
129	–	VideoMonitor.y = height;
130	–	VideoMonitor.mode = VMODE_1BIT;
142
143		// Set FgPen and BgPen
144		black_pen = ObtainBestPenA(the_win->WScreen->ViewPort.ColorMap, 0, 0, 0, NULL);
#	Line 150 | Line 161 | static bool init_pip(int width, int heig
161		P96PIP_SourceFormat, RGBFB_R5G5B5,
162		P96PIP_SourceWidth, width,
163		P96PIP_SourceHeight, height,
164	<	P96PIP_ErrorCode, &error,
164	>	P96PIP_ErrorCode, (ULONG)&error,
165		WA_Left, 0, WA_Top, 0,
166		WA_InnerWidth, width, WA_InnerHeight, height,
167		WA_SimpleRefresh, TRUE,
#	Line 161 | Line 172 | static bool init_pip(int width, int heig
172		WA_DragBar, TRUE,
173		WA_DepthGadget, TRUE,
174		WA_SizeGadget, FALSE,
175	<	WA_Title, GetString(STR_WINDOW_TITLE),
176	<	WA_PubScreenName, "Workbench",
175	>	WA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
176	>	WA_PubScreenName, (ULONG)"Workbench",
177		TAG_END
178		);
179		if (the_win == NULL || error) {
180	<	ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
180	>	ErrorAlert(STR_OPEN_WINDOW_ERR);
181		return false;
182		}
183
184		// Find bitmap
185	<	p96PIP_GetTags(the_win, P96PIP_SourceBitMap, &the_bitmap, TAG_END);
185	>	p96PIP_GetTags(the_win, P96PIP_SourceBitMap, (ULONG)&the_bitmap, TAG_END);
186
187	<	// Set VideoMonitor
187	>	// Add resolution and set VideoMonitor
188		VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_bitmap, P96BMA_MEMORY);
189	<	VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_bitmap, P96BMA_BYTESPERROW);
179	<	VideoMonitor.x = width;
180	<	VideoMonitor.y = height;
181	<	VideoMonitor.mode = VMODE_16BIT;
189	>
190		return true;
191		}
192
193	<	// Open screen (requires Picasso96 as we need chunky modes)
194	<	static bool init_screen(ULONG mode_id)
193	>	// Open Picasso96 screen
194	>	static bool init_screen_p96(ULONG mode_id)
195		{
196		// Set relative mouse mode
197		ADBSetRelMouseMode(true);
198
191	–	// Check if the mode is a Picasso96 mode
192	–	if (!p96GetModeIDAttr(mode_id, P96IDA_ISP96)) {
193	–	ErrorAlert(GetString(STR_NO_P96_MODE_ERR));
194	–	return false;
195	–	}
196	–
199		// Check if the mode is one we can handle
200		uint32 depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH);
201		uint32 format = p96GetModeIDAttr(mode_id, P96IDA_RGBFORMAT);
202	+
203		switch (depth) {
204		case 8:
202	–	VideoMonitor.mode = VMODE_8BIT;
205		break;
206		case 15:
207		case 16:
208		if (format != RGBFB_R5G5B5) {
209	<	ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
209	>	ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
210		return false;
211		}
210	–	VideoMonitor.mode = VMODE_16BIT;
212		break;
213		case 24:
214		case 32:
215		if (format != RGBFB_A8R8G8B8) {
216	<	ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
216	>	ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
217		return false;
218		}
218	–	VideoMonitor.mode = VMODE_32BIT;
219		break;
220		default:
221	<	ErrorAlert(GetString(STR_WRONG_SCREEN_DEPTH_ERR));
221	>	ErrorAlert(STR_WRONG_SCREEN_DEPTH_ERR);
222		return false;
223		}
224
225		// Yes, get width and height
226		uint32 width = p96GetModeIDAttr(mode_id, P96IDA_WIDTH);
227		uint32 height = p96GetModeIDAttr(mode_id, P96IDA_HEIGHT);
228	–	VideoMonitor.x = width;
229	–	VideoMonitor.y = height;
228
229		// Open screen
230		the_screen = p96OpenScreenTags(
231		P96SA_DisplayID, mode_id,
232	<	P96SA_Title, GetString(STR_WINDOW_TITLE),
232	>	P96SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
233		P96SA_Quiet, TRUE,
234		P96SA_NoMemory, TRUE,
235		P96SA_NoSprite, TRUE,
#	Line 239 | Line 237 | static bool init_screen(ULONG mode_id)
237		TAG_END
238		);
239		if (the_screen == NULL) {
240	<	ErrorAlert(GetString(STR_OPEN_SCREEN_ERR));
240	>	ErrorAlert(STR_OPEN_SCREEN_ERR);
241		return false;
242		}
243
#	Line 247 | Line 245 | static bool init_screen(ULONG mode_id)
245		the_win = OpenWindowTags(NULL,
246		WA_Left, 0, WA_Top, 0,
247		WA_Width, width, WA_Height, height,
248	+	WA_SimpleRefresh, TRUE,
249		WA_NoCareRefresh, TRUE,
250		WA_Borderless, TRUE,
251		WA_Activate, TRUE,
252		WA_RMBTrap, TRUE,
253		WA_ReportMouse, TRUE,
254	<	WA_CustomScreen, the_screen,
254	>	WA_CustomScreen, (ULONG)the_screen,
255		TAG_END
256		);
257		if (the_win == NULL) {
258	<	ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
258	>	ErrorAlert(STR_OPEN_WINDOW_ERR);
259		return false;
260		}
261
263	–	// Set VideoMonitor
262		ScreenToFront(the_screen);
263	+
264	+	// Add resolution and set VideoMonitor
265		VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_MEMORY);
266	<	VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_BYTESPERROW);
266	>
267	>	return true;
268	>	}
269	>
270	>	// Open CyberGraphX screen
271	>	static bool init_screen_cgfx(ULONG mode_id)
272	>	{
273	>	// Set relative mouse mode
274	>	ADBSetRelMouseMode(true);
275	>
276	>	// Check if the mode is one we can handle
277	>	uint32 depth = GetCyberIDAttr(CYBRIDATTR_DEPTH, mode_id);
278	>	uint32 format = GetCyberIDAttr(CYBRIDATTR_PIXFMT, mode_id);
279	>
280	>	switch (depth) {
281	>	case 8:
282	>	break;
283	>	case 15:
284	>	case 16:
285	>	// !!! PIXFMT_RGB15 is correct !!!
286	>	if (format != PIXFMT_RGB15) {
287	>	ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
288	>	return false;
289	>	}
290	>	break;
291	>	case 24:
292	>	case 32:
293	>	if (format != PIXFMT_ARGB32) {
294	>	ErrorAlert(STR_WRONG_SCREEN_FORMAT_ERR);
295	>	return false;
296	>	}
297	>	break;
298	>	default:
299	>	ErrorAlert(STR_WRONG_SCREEN_DEPTH_ERR);
300	>	return false;
301	>	}
302	>
303	>	// Yes, get width and height
304	>	uint32 width = GetCyberIDAttr(CYBRIDATTR_WIDTH, mode_id);
305	>	uint32 height = GetCyberIDAttr(CYBRIDATTR_HEIGHT, mode_id);
306	>
307	>	// Open screen
308	>	the_screen = OpenScreenTags(NULL,
309	>	SA_DisplayID, mode_id,
310	>	SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
311	>	SA_Quiet, TRUE,
312	>	SA_Exclusive, TRUE,
313	>	TAG_END
314	>	);
315	>	if (the_screen == NULL) {
316	>	ErrorAlert(STR_OPEN_SCREEN_ERR);
317	>	return false;
318	>	}
319	>
320	>	// Open window
321	>	the_win = OpenWindowTags(NULL,
322	>	WA_Left, 0, WA_Top, 0,
323	>	WA_Width, width, WA_Height, height,
324	>	WA_SimpleRefresh, TRUE,
325	>	WA_NoCareRefresh, TRUE,
326	>	WA_Borderless, TRUE,
327	>	WA_Activate, TRUE,
328	>	WA_RMBTrap, TRUE,
329	>	WA_ReportMouse, TRUE,
330	>	WA_CustomScreen, (ULONG)the_screen,
331	>	TAG_END
332	>	);
333	>	if (the_win == NULL) {
334	>	ErrorAlert(STR_OPEN_WINDOW_ERR);
335	>	return false;
336	>	}
337	>
338	>	ScreenToFront(the_screen);
339	>	static UWORD ptr[] = { 0, 0, 0, 0 };
340	>	SetPointer(the_win, ptr, 0, 0, 0, 0);   // Hide mouse pointer
341	>
342	>	// Set VideoMonitor
343	>	ULONG frame_base;
344	>	APTR handle = LockBitMapTags(the_screen->RastPort.BitMap,
345	>	LBMI_BASEADDRESS, (ULONG)&frame_base,
346	>	TAG_END
347	>	);
348	>	UnLockBitMap(handle);
349	>
350	>	VideoMonitor.mac_frame_base = frame_base;
351	>
352		return true;
353		}
354
355		bool VideoInit(bool classic)
356		{
357	+	int default_width, default_height, default_depth;
358	+
359	+	// Allocate blank mouse pointer data
360	+	null_pointer = (UWORD *)AllocMem(12, MEMF_PUBLIC | MEMF_CHIP | MEMF_CLEAR);
361	+	if (null_pointer == NULL) {
362	+	ErrorAlert(STR_NO_MEM_ERR);
363	+	return false;
364	+	}
365	+
366		// Read frame skip prefs
367		frame_skip = PrefsFindInt32("frameskip");
368		if (frame_skip == 0)
#	Line 283 | Line 377 | bool VideoInit(bool classic)
377
378		// Determine type and mode
379		display_type = DISPLAY_WINDOW;
380	<	int width = 512, height = 384;
381	<	ULONG mode_id = 0;
380	>
381	>	default_width = window_width = 512;
382	>	default_height = window_height = 384;
383	>
384		if (mode_str) {
385	<	if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2)
385	>	if (sscanf(mode_str, "win/%d/%d", &window_width, &window_height) == 2)
386		display_type = DISPLAY_WINDOW;
387	<	else if (sscanf(mode_str, "pip/%d/%d", &width, &height) == 2 && P96Base)
387	>	else if (sscanf(mode_str, "pip/%d/%d", &window_width, &window_height) == 2 && P96Base)
388		display_type = DISPLAY_PIP;
389	<	else if (sscanf(mode_str, "scr/%08lx", &mode_id) == 1 && P96Base)
390	<	display_type = DISPLAY_SCREEN;
389	>	else if (sscanf(mode_str, "scr/%08lx", &screen_mode_id) == 1 && (CyberGfxBase || P96Base)) {
390	>	if (P96Base && p96GetModeIDAttr(screen_mode_id, P96IDA_ISP96))
391	>	display_type = DISPLAY_SCREEN_P96;
392	>	else if (CyberGfxBase && IsCyberModeID(screen_mode_id))
393	>	display_type = DISPLAY_SCREEN_CGFX;
394	>	else {
395	>	ErrorAlert(STR_NO_P96_MODE_ERR);
396	>	return false;
397	>	}
398	>	}
399		}
400
401	+	// Construct list of supported modes
402	+	switch (display_type) {
403	+	case DISPLAY_WINDOW:
404	+	default_width = window_width;
405	+	default_height = window_height;
406	+	default_depth = 1;
407	+	add_modes(window_width, window_height, VDEPTH_1BIT);
408	+	break;
409	+
410	+	case DISPLAY_PIP:
411	+	default_depth = 16;
412	+	default_width = window_width;
413	+	default_height = window_height;
414	+	add_modes(window_width, window_height, VDEPTH_16BIT);
415	+	break;
416	+
417	+	case DISPLAY_SCREEN_P96:
418	+	case DISPLAY_SCREEN_CGFX:
419	+	struct DimensionInfo dimInfo;
420	+	DisplayInfoHandle handle = FindDisplayInfo(screen_mode_id);
421	+
422	+	if (NULL == handle)
423	+	return false;
424	+
425	+	if (GetDisplayInfoData(handle, (UBYTE *) &dimInfo, sizeof(dimInfo), DTAG_DIMS, 0) <= 0)
426	+	return false;
427	+
428	+	default_width = 1 + dimInfo.Nominal.MaxX - dimInfo.Nominal.MinX;
429	+	default_height = 1 + dimInfo.Nominal.MaxY - dimInfo.Nominal.MinY;
430	+	default_depth = dimInfo.MaxDepth;
431	+
432	+	for (unsigned d=VDEPTH_1BIT; d<=VDEPTH_32BIT; d++)
433	+	{
434	+	if (INVALID_ID != find_mode_for_depth(default_width, default_height, bits_from_depth(video_depth(d))))
435	+	{
436	+	add_modes(default_width, default_height, video_depth(d));
437	+	}
438	+	}
439	+	break;
440	+	}
441	+
442	+	video_init_depth_list();
443	+
444	+	#if DEBUG
445	+	bug("Available video modes:\n");
446	+	vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
447	+	while (i != end) {
448	+	bug(" %dx%d (ID %02x), %d colors\n", i->x, i->y, i->resolution_id, 1 << bits_from_depth(i->depth));
449	+	++i;
450	+	}
451	+	#endif
452	+
453	+	D(bug("VideoInit: def_width=%ld  def_height=%ld  def_depth=%ld\n", default_width, default_height, default_depth));
454	+
455	+	// Find requested default mode and open display
456	+	if (VideoModes.size() == 1)
457	+	return video_open(VideoModes[0]);
458	+	else {
459	+	// Find mode with specified dimensions
460	+	std::vector<video_mode>::const_iterator i, end = VideoModes.end();
461	+	for (i = VideoModes.begin(); i != end; ++i)
462	+	{
463	+	D(bug("VideoInit: w=%ld  h=%ld  d=%ld\n", i->x, i->y, bits_from_depth(i->depth)));
464	+	if (i->x == default_width && i->y == default_height && bits_from_depth(i->depth) == default_depth)
465	+	return video_open(*i);
466	+	}
467	+	return video_open(VideoModes[0]);
468	+	}
469	+
470	+	return true;
471	+	}
472	+
473	+
474	+	static bool video_open(const video_mode &mode)
475	+	{
476	+	ULONG depth_bits = bits_from_depth(mode.depth);
477	+	ULONG ID = find_mode_for_depth(mode.x, mode.y, depth_bits);
478	+
479	+	D(bug("video_open: width=%ld  height=%ld  depth=%ld  ID=%08lx\n", mode.x, mode.y, depth_bits, ID));
480	+
481	+	if (INVALID_ID == ID)
482	+	{
483	+	ErrorAlert(STR_NO_VIDEO_MODE_ERR);
484	+	return false;
485	+	}
486	+
487	+	VideoMonitor.mode = mode;
488	+
489		// Open display
490		switch (display_type) {
491		case DISPLAY_WINDOW:
492	<	if (!init_window(width, height))
492	>	if (!init_window(mode.x, mode.y))
493		return false;
494		break;
495
496		case DISPLAY_PIP:
497	<	if (!init_pip(width, height))
497	>	if (!init_pip(mode.x, mode.y))
498		return false;
499		break;
500
501	<	case DISPLAY_SCREEN:
502	<	if (!init_screen(mode_id))
501	>	case DISPLAY_SCREEN_P96:
502	>	if (!init_screen_p96(ID))
503	>	return false;
504	>	break;
505	>
506	>	case DISPLAY_SCREEN_CGFX:
507	>	if (!init_screen_cgfx(ID))
508		return false;
509		break;
510		}
511
512		// Start periodic process
513		periodic_proc = CreateNewProcTags(
514	<	NP_Entry, periodic_func,
515	<	NP_Name, "Basilisk II IDCMP Handler",
514	>	NP_Entry, (ULONG)periodic_func,
515	>	NP_Name, (ULONG)"Basilisk II IDCMP Handler",
516		NP_Priority, 0,
517		TAG_END
518		);
519		if (periodic_proc == NULL) {
520	<	ErrorAlert(GetString(STR_NO_MEM_ERR));
520	>	ErrorAlert(STR_NO_MEM_ERR);
521		return false;
522		}
523	+
524		return true;
525		}
526
527
528	<	/*
331	<	*  Deinitialization
332	<	*/
333	<
334	<	void VideoExit(void)
528	>	static void video_close()
529		{
530		// Stop periodic process
531		if (periodic_proc) {
#	Line 356 | Line 550 | void VideoExit(void)
550		ReleasePen(the_win->WScreen->ViewPort.ColorMap, white_pen);
551
552		CloseWindow(the_win);
553	+	the_win = NULL;
554		}
555		break;
556
#	Line 366 | Line 561 | void VideoExit(void)
561		p96PIP_Close(the_win);
562		break;
563
564	<	case DISPLAY_SCREEN:
564	>	case DISPLAY_SCREEN_P96:
565
566		// Close window
567		if (the_win)
568	+	{
569		CloseWindow(the_win);
570	+	the_win = NULL;
571	+	}
572
573		// Close screen
574	<	if (the_screen)
574	>	if (the_screen) {
575		p96CloseScreen(the_screen);
576	+	the_screen = NULL;
577	+	}
578	+	break;
579	+
580	+	case DISPLAY_SCREEN_CGFX:
581	+
582	+	// Close window
583	+	if (the_win)
584	+	{
585	+	CloseWindow(the_win);
586	+	the_win = NULL;
587	+	}
588	+
589	+	// Close screen
590	+	if (the_screen) {
591	+	CloseScreen(the_screen);
592	+	the_screen = NULL;
593	+	}
594		break;
595		}
596	+
597	+	// Free mouse pointer
598	+	if (null_pointer) {
599	+	FreeMem(null_pointer, 12);
600	+	null_pointer = NULL;
601	+	}
602	+	}
603	+
604	+
605	+	/*
606	+	*  Deinitialization
607	+	*/
608	+
609	+	void VideoExit(void)
610	+	{
611	+	video_close();
612		}
613
614
#	Line 384 | Line 616 | void VideoExit(void)
616		*  Set palette
617		*/
618
619	<	void video_set_palette(uint8 *pal)
619	>	void video_set_palette(uint8 *pal, int num)
620		{
621	<	if (display_type == DISPLAY_SCREEN) {
621	>	if ((display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX)
622	>	&& !IsDirectMode(VideoMonitor.mode)) {
623
624		// Convert palette to 32 bits
625		ULONG table[2 + 256 * 3];
626	<	table[0] = 256 << 16;
627	<	table[256 * 3 + 1] = 0;
628	<	for (int i=0; i<256; i++) {
626	>	table[0] = num << 16;
627	>	table[num * 3 + 1] = 0;
628	>	for (int i=0; i<num; i++) {
629		table[i*3+1] = pal[i*3] * 0x01010101;
630		table[i*3+2] = pal[i*3+1] * 0x01010101;
631		table[i*3+3] = pal[i*3+2] * 0x01010101;
#	Line 405 | Line 638 | void video_set_palette(uint8 *pal)
638
639
640		/*
641	+	*  Switch video mode
642	+	*/
643	+
644	+	void video_switch_to_mode(const video_mode &mode)
645	+	{
646	+	// Close and reopen display
647	+	video_close();
648	+	if (!video_open(mode))
649	+	{
650	+	ErrorAlert(STR_OPEN_WINDOW_ERR);
651	+	QuitEmulator();
652	+	}
653	+	}
654	+
655	+
656	+	/*
657	+	*  Close down full-screen mode (if bringing up error alerts is unsafe while in full-screen mode)
658	+	*/
659	+
660	+	void VideoQuitFullScreen(void)
661	+	{
662	+	}
663	+
664	+
665	+	/*
666		*  Video message handling (not neccessary under AmigaOS, handled by periodic_func())
667		*/
668
#	Line 429 | Line 687 | static __saveds void periodic_func(void)
687		if (win_port) {
688		win_mask = 1 << win_port->mp_SigBit;
689		the_win->UserPort = win_port;
690	<	ModifyIDCMP(the_win, IDCMP_MOUSEBUTTONS | IDCMP_MOUSEMOVE | IDCMP_RAWKEY | (display_type == DISPLAY_SCREEN ? IDCMP_DELTAMOVE : 0));
690	>	ModifyIDCMP(the_win, IDCMP_MOUSEBUTTONS | IDCMP_MOUSEMOVE | IDCMP_RAWKEY | ((display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX) ? IDCMP_DELTAMOVE : 0));
691		}
692
693		// Start 60Hz timer for window refresh
#	Line 462 | Line 720 | static __saveds void periodic_func(void)
720
721		// Timer tick, update display
722		BltTemplate(the_bitmap->Planes[0], 0, the_bitmap->BytesPerRow, the_win->RPort,
723	<	the_win->BorderLeft, the_win->BorderTop, VideoMonitor.x, VideoMonitor.y);
723	>	the_win->BorderLeft, the_win->BorderTop, VideoMonitor.mode.x, VideoMonitor.mode.y);
724
725		// Restart timer
726		timer_io->tr_node.io_Command = TR_ADDREQUEST;
#	Line 487 | Line 745 | static __saveds void periodic_func(void)
745		// Handle message according to class
746		switch (cl) {
747		case IDCMP_MOUSEMOVE:
748	<	if (display_type == DISPLAY_SCREEN)
748	>	if (display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX)
749		ADBMouseMoved(mx, my);
750	<	else
750	>	else {
751		ADBMouseMoved(mx - the_win->BorderLeft, my - the_win->BorderTop);
752	+	if (mx < the_win->BorderLeft
753	+	|| my < the_win->BorderTop
754	+	|| mx >= the_win->BorderLeft + VideoMonitor.mode.x
755	+	|| my >= the_win->BorderTop + VideoMonitor.mode.y) {
756	+	if (current_pointer) {
757	+	ClearPointer(the_win);
758	+	current_pointer = NULL;
759	+	}
760	+	} else {
761	+	if (current_pointer != null_pointer) {
762	+	// Hide mouse pointer inside window
763	+	SetPointer(the_win, null_pointer, 1, 16, 0, 0);
764	+	current_pointer = null_pointer;
765	+	}
766	+	}
767	+	}
768		break;
769
770		case IDCMP_MOUSEBUTTONS:
#	Line 511 | Line 785 | static __saveds void periodic_func(void)
785		case IDCMP_RAWKEY:
786		if (qualifier & IEQUALIFIER_REPEAT)     // Keyboard repeat is done by MacOS
787		break;
788	+	if ((qualifier & (IEQUALIFIER_LALT | IEQUALIFIER_LSHIFT | IEQUALIFIER_CONTROL)) ==
789	+	(IEQUALIFIER_LALT | IEQUALIFIER_LSHIFT | IEQUALIFIER_CONTROL) && code == 0x5f) {
790	+	SetInterruptFlag(INTFLAG_NMI);
791	+	TriggerInterrupt();
792	+	break;
793	+	}
794	+
795		if (code & IECODE_UP_PREFIX)
796		ADBKeyUp(keycode2mac[code & 0x7f]);
797		else
#	Line 552 | Line 833 | static __saveds void periodic_func(void)
833		Forbid();
834		Signal(MainTask, SIGF_SINGLE);
835		}
836	+
837	+
838	+	// Add mode to list of supported modes
839	+	static void add_mode(uint32 width, uint32 height, uint32 resolution_id, uint32 bytes_per_row, video_depth depth)
840	+	{
841	+	video_mode mode;
842	+	mode.x = width;
843	+	mode.y = height;
844	+	mode.resolution_id = resolution_id;
845	+	mode.bytes_per_row = bytes_per_row;
846	+	mode.depth = depth;
847	+
848	+	D(bug("Added video mode: w=%ld  h=%ld  d=%ld\n", width, height, depth));
849	+
850	+	VideoModes.push_back(mode);
851	+	}
852	+
853	+	// Add standard list of windowed modes for given color depth
854	+	static void add_modes(uint32 width, uint32 height, video_depth depth)
855	+	{
856	+	D(bug("add_modes: w=%ld  h=%ld  d=%ld\n", width, height, depth));
857	+
858	+	if (width >= 512 && height >= 384)
859	+	add_mode(512, 384, 0x80, TrivialBytesPerRow(512, depth), depth);
860	+	if (width >= 640 && height >= 480)
861	+	add_mode(640, 480, 0x81, TrivialBytesPerRow(640, depth), depth);
862	+	if (width >= 800 && height >= 600)
863	+	add_mode(800, 600, 0x82, TrivialBytesPerRow(800, depth), depth);
864	+	if (width >= 1024 && height >= 768)
865	+	add_mode(1024, 768, 0x83, TrivialBytesPerRow(1024, depth), depth);
866	+	if (width >= 1152 && height >= 870)
867	+	add_mode(1152, 870, 0x84, TrivialBytesPerRow(1152, depth), depth);
868	+	if (width >= 1280 && height >= 1024)
869	+	add_mode(1280, 1024, 0x85, TrivialBytesPerRow(1280, depth), depth);
870	+	if (width >= 1600 && height >= 1200)
871	+	add_mode(1600, 1200, 0x86, TrivialBytesPerRow(1600, depth), depth);
872	+	}
873	+
874	+
875	+	static ULONG find_mode_for_depth(uint32 width, uint32 height, uint32 depth)
876	+	{
877	+	ULONG ID = BestModeID(BIDTAG_NominalWidth, width,
878	+	BIDTAG_NominalHeight, height,
879	+	BIDTAG_Depth, depth,
880	+	TAG_END);
881	+
882	+	return ID;
883	+	}
884	+
885	+
886	+	static ULONG bits_from_depth(video_depth depth)
887	+	{
888	+	int bits = 1 << depth;
889	+	if (bits == 16)
890	+	bits = 15;
891	+	else if (bits == 32)
892	+	bits = 24;
893	+
894	+	return bits;
895	+	}
896	+

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