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

Comparing BasiliskII/src/AmigaOS/video_amiga.cpp (file contents):
Revision 1.1 by cebix, 1999-10-03T14:16:25Z vs.
Revision 1.23 by cebix, 2002-03-10T20:17:14Z

#	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) 1997-2002 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	+	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 107 | Line 125 | static bool init_window(int width, int h
125		WA_DragBar, TRUE,
126		WA_DepthGadget, TRUE,
127		WA_SizeGadget, FALSE,
128	<	WA_Title, GetString(STR_WINDOW_TITLE),
128	>	WA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
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];
127	–	VideoMonitor.bytes_per_row = the_bitmap->BytesPerRow;
128	–	VideoMonitor.x = width;
129	–	VideoMonitor.y = height;
130	–	VideoMonitor.mode = VMODE_1BIT;
145
146		// Set FgPen and BgPen
147		black_pen = ObtainBestPenA(the_win->WScreen->ViewPort.ColorMap, 0, 0, 0, NULL);
#	Line 150 | Line 164 | static bool init_pip(int width, int heig
164		P96PIP_SourceFormat, RGBFB_R5G5B5,
165		P96PIP_SourceWidth, width,
166		P96PIP_SourceHeight, height,
167	<	P96PIP_ErrorCode, &error,
167	>	P96PIP_ErrorCode, (ULONG)&error,
168		WA_Left, 0, WA_Top, 0,
169		WA_InnerWidth, width, WA_InnerHeight, height,
170		WA_SimpleRefresh, TRUE,
#	Line 161 | Line 175 | static bool init_pip(int width, int heig
175		WA_DragBar, TRUE,
176		WA_DepthGadget, TRUE,
177		WA_SizeGadget, FALSE,
178	<	WA_Title, GetString(STR_WINDOW_TITLE),
179	<	WA_PubScreenName, "Workbench",
178	>	WA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
179	>	WA_PubScreenName, (ULONG)"Workbench",
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, &the_bitmap, TAG_END);
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);
179	<	VideoMonitor.x = width;
180	<	VideoMonitor.y = height;
181	<	VideoMonitor.mode = VMODE_16BIT;
192	>
193		return true;
194		}
195
196	<	// Open screen (requires Picasso96 as we need chunky modes)
197	<	static bool init_screen(ULONG mode_id)
196	>	// Open Picasso96 screen
197	>	static bool init_screen_p96(ULONG mode_id)
198		{
199		// Set relative mouse mode
200		ADBSetRelMouseMode(true);
201
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	–
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	<	switch (depth) {
206	<	case 8:
207	<	VideoMonitor.mode = VMODE_8BIT;
203	<	break;
204	<	case 15:
205	<	case 16:
206	<	if (format != RGBFB_R5G5B5) {
207	<	ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
208	<	return false;
209	<	}
210	<	VideoMonitor.mode = VMODE_16BIT;
211	<	break;
212	<	case 24:
213	<	case 32:
214	<	if (format != RGBFB_A8R8G8B8) {
215	<	ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
216	<	return false;
217	<	}
218	<	VideoMonitor.mode = VMODE_32BIT;
219	<	break;
220	<	default:
221	<	ErrorAlert(GetString(STR_WRONG_SCREEN_DEPTH_ERR));
222	<	return false;
223	<	}
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);
228	–	VideoMonitor.x = width;
229	–	VideoMonitor.y = height;
213
214		// Open screen
215		the_screen = p96OpenScreenTags(
216		P96SA_DisplayID, mode_id,
217	<	P96SA_Title, GetString(STR_WINDOW_TITLE),
217	>	P96SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
218		P96SA_Quiet, TRUE,
219		P96SA_NoMemory, TRUE,
220		P96SA_NoSprite, TRUE,
#	Line 239 | Line 222 | static bool init_screen(ULONG mode_id)
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 247 | Line 230 | static bool init_screen(ULONG mode_id)
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,
237		WA_RMBTrap, TRUE,
238		WA_ReportMouse, TRUE,
239	<	WA_CustomScreen, the_screen,
239	>	WA_CustomScreen, (ULONG)the_screen,
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
263	–	// 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	>
255	>	// Open CyberGraphX screen
256	>	static bool init_screen_cgfx(ULONG mode_id)
257	>	{
258	>	// Set relative mouse mode
259	>	ADBSetRelMouseMode(true);
260	>
261	>	// Check if the mode is one we can handle
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	>
273	>	// Open screen
274	>	the_screen = OpenScreenTags(NULL,
275	>	SA_DisplayID, mode_id,
276	>	SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
277	>	SA_Quiet, TRUE,
278	>	SA_Exclusive, TRUE,
279	>	TAG_END
280	>	);
281	>	if (the_screen == NULL) {
282	>	ErrorAlert(STR_OPEN_SCREEN_ERR);
283	>	return false;
284	>	}
285	>
286	>	// Open window
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,
294	>	WA_RMBTrap, TRUE,
295	>	WA_ReportMouse, TRUE,
296	>	WA_CustomScreen, (ULONG)the_screen,
297	>	TAG_END
298	>	);
299	>	if (the_win == NULL) {
300	>	ErrorAlert(STR_OPEN_WINDOW_ERR);
301	>	return false;
302	>	}
303	>
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)&frame_base,
312	>	TAG_END
313	>	);
314	>	UnLockBitMap(handle);
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 283 | 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 && P96Base)
356	<	display_type = DISPLAY_SCREEN;
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(screen_mode_id))
359	>	display_type = DISPLAY_SCREEN_CGFX;
360	>	else {
361	>	ErrorAlert(STR_NO_P96_MODE_ERR);
362	>	return false;
363	>	}
364	>	}
365		}
366
367	+	D(bug("display_type %d, window_width %d, window_height %d\n", display_type, window_width, window_height));
368	+
369	+	// Construct list of supported modes
370	+	switch (display_type) {
371	+	case DISPLAY_WINDOW:
372	+	default_width = window_width;
373	+	default_height = window_height;
374	+	default_depth = 1;
375	+	add_modes(window_width, window_height, VDEPTH_1BIT);
376	+	break;
377	+
378	+	case DISPLAY_PIP:
379	+	default_depth = 16;
380	+	default_width = window_width;
381	+	default_height = window_height;
382	+	add_modes(window_width, window_height, VDEPTH_16BIT);
383	+	break;
384	+
385	+	case DISPLAY_SCREEN_P96:
386	+	case DISPLAY_SCREEN_CGFX:
387	+	struct DimensionInfo dimInfo;
388	+	DisplayInfoHandle handle = FindDisplayInfo(screen_mode_id);
389	+
390	+	if (handle == NULL)
391	+	return false;
392	+
393	+	if (GetDisplayInfoData(handle, (UBYTE *) &dimInfo, sizeof(dimInfo), DTAG_DIMS, 0) <= 0)
394	+	return false;
395	+
396	+	default_width = 1 + dimInfo.Nominal.MaxX - dimInfo.Nominal.MinX;
397	+	default_height = 1 + dimInfo.Nominal.MaxY - dimInfo.Nominal.MinY;
398	+	default_depth = dimInfo.MaxDepth;
399	+
400	+	for (unsigned d=VDEPTH_8BIT; d<=VDEPTH_32BIT; d++) {
401	+	ULONG mode_id = find_mode_for_depth(default_width, default_height, bits_from_depth(video_depth(d)));
402	+
403	+	if (is_valid_modeid(display_type, mode_id))
404	+	add_modes(default_width, default_height, video_depth(d));
405	+	}
406	+	break;
407	+	}
408	+
409	+	video_init_depth_list();
410	+
411	+	#if DEBUG
412	+	bug("Available video modes:\n");
413	+	vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
414	+	while (i != end) {
415	+	bug(" %dx%d (ID %02x), %d colors\n", i->x, i->y, i->resolution_id, 1 << bits_from_depth(i->depth));
416	+	++i;
417	+	}
418	+	#endif
419	+
420	+	D(bug("VideoInit: def_width=%ld  def_height=%ld  def_depth=%ld\n", default_width, default_height, default_depth));
421	+
422	+	// Find requested default mode and open display
423	+	if (VideoModes.size() == 1)
424	+	return video_open(VideoModes[0]);
425	+	else {
426	+	// Find mode with specified dimensions
427	+	std::vector<video_mode>::const_iterator i, end = VideoModes.end();
428	+	for (i = VideoModes.begin(); i != end; ++i) {
429	+	D(bug("VideoInit: w=%ld  h=%ld  d=%ld\n", i->x, i->y, bits_from_depth(i->depth)));
430	+	if (i->x == default_width && i->y == default_height && bits_from_depth(i->depth) == default_depth)
431	+	return video_open(*i);
432	+	}
433	+	return video_open(VideoModes[0]);
434	+	}
435	+
436	+	return true;
437	+	}
438	+
439	+
440	+	static bool video_open(const video_mode &mode)
441	+	{
442	+	ULONG depth_bits = bits_from_depth(mode.depth);
443	+	ULONG ID = find_mode_for_depth(mode.x, mode.y, depth_bits);
444	+
445	+	D(bug("video_open: width=%ld  height=%ld  depth=%ld  ID=%08lx\n", mode.x, mode.y, depth_bits, ID));
446	+
447	+	if (ID == INVALID_ID) {
448	+	ErrorAlert(STR_NO_VIDEO_MODE_ERR);
449	+	return false;
450	+	}
451	+
452	+	VideoMonitor.mode = mode;
453	+
454		// Open display
455		switch (display_type) {
456		case DISPLAY_WINDOW:
457	<	if (!init_window(width, height))
457	>	if (!init_window(mode.x, mode.y))
458		return false;
459		break;
460
461		case DISPLAY_PIP:
462	<	if (!init_pip(width, height))
462	>	if (!init_pip(mode.x, mode.y))
463		return false;
464		break;
465
466	<	case DISPLAY_SCREEN:
467	<	if (!init_screen(mode_id))
466	>	case DISPLAY_SCREEN_P96:
467	>	if (!init_screen_p96(ID))
468	>	return false;
469	>	break;
470	>
471	>	case DISPLAY_SCREEN_CGFX:
472	>	if (!init_screen_cgfx(ID))
473		return false;
474		break;
475		}
476
477		// Start periodic process
478		periodic_proc = CreateNewProcTags(
479	<	NP_Entry, periodic_func,
480	<	NP_Name, "Basilisk II IDCMP Handler",
479	>	NP_Entry, (ULONG)periodic_func,
480	>	NP_Name, (ULONG)"Basilisk II IDCMP Handler",
481		NP_Priority, 0,
482		TAG_END
483		);
484		if (periodic_proc == NULL) {
485	<	ErrorAlert(GetString(STR_NO_MEM_ERR));
485	>	ErrorAlert(STR_NO_MEM_ERR);
486		return false;
487		}
488	+
489		return true;
490		}
491
492
493	<	/*
331	<	*  Deinitialization
332	<	*/
333	<
334	<	void VideoExit(void)
493	>	static void video_close()
494		{
495		// Stop periodic process
496		if (periodic_proc) {
#	Line 356 | Line 515 | void VideoExit(void)
515		ReleasePen(the_win->WScreen->ViewPort.ColorMap, white_pen);
516
517		CloseWindow(the_win);
518	+	the_win = NULL;
519		}
520		break;
521
#	Line 366 | Line 526 | void VideoExit(void)
526		p96PIP_Close(the_win);
527		break;
528
529	<	case DISPLAY_SCREEN:
529	>	case DISPLAY_SCREEN_P96:
530
531		// Close window
532		if (the_win)
533	+	{
534		CloseWindow(the_win);
535	+	the_win = NULL;
536	+	}
537
538		// Close screen
539	<	if (the_screen)
539	>	if (the_screen) {
540		p96CloseScreen(the_screen);
541	+	the_screen = NULL;
542	+	}
543	+	break;
544	+
545	+	case DISPLAY_SCREEN_CGFX:
546	+
547	+	// Close window
548	+	if (the_win)
549	+	{
550	+	CloseWindow(the_win);
551	+	the_win = NULL;
552	+	}
553	+
554	+	// Close screen
555	+	if (the_screen) {
556	+	CloseScreen(the_screen);
557	+	the_screen = NULL;
558	+	}
559		break;
560		}
561	+
562	+	// Free mouse pointer
563	+	if (null_pointer) {
564	+	FreeMem(null_pointer, 12);
565	+	null_pointer = NULL;
566	+	}
567	+	}
568	+
569	+
570	+	/*
571	+	*  Deinitialization
572	+	*/
573	+
574	+	void VideoExit(void)
575	+	{
576	+	video_close();
577		}
578
579
#	Line 384 | Line 581 | void VideoExit(void)
581		*  Set palette
582		*/
583
584	<	void video_set_palette(uint8 *pal)
584	>	void video_set_palette(uint8 *pal, int num)
585		{
586	<	if (display_type == DISPLAY_SCREEN) {
586	>	if ((display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX)
587	>	&& !IsDirectMode(VideoMonitor.mode)) {
588
589		// Convert palette to 32 bits
590		ULONG table[2 + 256 * 3];
591	<	table[0] = 256 << 16;
592	<	table[256 * 3 + 1] = 0;
593	<	for (int i=0; i<256; i++) {
591	>	table[0] = num << 16;
592	>	table[num * 3 + 1] = 0;
593	>	for (int i=0; i<num; i++) {
594		table[i*3+1] = pal[i*3] * 0x01010101;
595		table[i*3+2] = pal[i*3+1] * 0x01010101;
596		table[i*3+3] = pal[i*3+2] * 0x01010101;
#	Line 405 | Line 603 | void video_set_palette(uint8 *pal)
603
604
605		/*
606	+	*  Switch video mode
607	+	*/
608	+
609	+	void video_switch_to_mode(const video_mode &mode)
610	+	{
611	+	// Close and reopen display
612	+	video_close();
613	+	if (!video_open(mode)) {
614	+	ErrorAlert(STR_OPEN_WINDOW_ERR);
615	+	QuitEmulator();
616	+	}
617	+	}
618	+
619	+
620	+	/*
621	+	*  Close down full-screen mode (if bringing up error alerts is unsafe while in full-screen mode)
622	+	*/
623	+
624	+	void VideoQuitFullScreen(void)
625	+	{
626	+	}
627	+
628	+
629	+	/*
630		*  Video message handling (not neccessary under AmigaOS, handled by periodic_func())
631		*/
632
#	Line 429 | Line 651 | static __saveds void periodic_func(void)
651		if (win_port) {
652		win_mask = 1 << win_port->mp_SigBit;
653		the_win->UserPort = win_port;
654	<	ModifyIDCMP(the_win, IDCMP_MOUSEBUTTONS | IDCMP_MOUSEMOVE | IDCMP_RAWKEY | (display_type == DISPLAY_SCREEN ? IDCMP_DELTAMOVE : 0));
654	>	ModifyIDCMP(the_win, IDCMP_MOUSEBUTTONS | IDCMP_MOUSEMOVE | IDCMP_RAWKEY | ((display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX) ? IDCMP_DELTAMOVE : 0));
655		}
656
657		// Start 60Hz timer for window refresh
#	Line 462 | Line 684 | static __saveds void periodic_func(void)
684
685		// Timer tick, update display
686		BltTemplate(the_bitmap->Planes[0], 0, the_bitmap->BytesPerRow, the_win->RPort,
687	<	the_win->BorderLeft, the_win->BorderTop, VideoMonitor.x, VideoMonitor.y);
687	>	the_win->BorderLeft, the_win->BorderTop, VideoMonitor.mode.x, VideoMonitor.mode.y);
688
689		// Restart timer
690		timer_io->tr_node.io_Command = TR_ADDREQUEST;
#	Line 487 | Line 709 | static __saveds void periodic_func(void)
709		// Handle message according to class
710		switch (cl) {
711		case IDCMP_MOUSEMOVE:
712	<	if (display_type == DISPLAY_SCREEN)
712	>	if (display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX)
713		ADBMouseMoved(mx, my);
714	<	else
714	>	else {
715		ADBMouseMoved(mx - the_win->BorderLeft, my - the_win->BorderTop);
716	+	if (mx < the_win->BorderLeft
717	+	|| my < the_win->BorderTop
718	+	|| mx >= the_win->BorderLeft + VideoMonitor.mode.x
719	+	|| my >= the_win->BorderTop + VideoMonitor.mode.y) {
720	+	if (current_pointer) {
721	+	ClearPointer(the_win);
722	+	current_pointer = NULL;
723	+	}
724	+	} else {
725	+	if (current_pointer != null_pointer) {
726	+	// Hide mouse pointer inside window
727	+	SetPointer(the_win, null_pointer, 1, 16, 0, 0);
728	+	current_pointer = null_pointer;
729	+	}
730	+	}
731	+	}
732		break;
733
734		case IDCMP_MOUSEBUTTONS:
#	Line 511 | Line 749 | static __saveds void periodic_func(void)
749		case IDCMP_RAWKEY:
750		if (qualifier & IEQUALIFIER_REPEAT)     // Keyboard repeat is done by MacOS
751		break;
752	+	if ((qualifier & (IEQUALIFIER_LALT | IEQUALIFIER_LSHIFT | IEQUALIFIER_CONTROL)) ==
753	+	(IEQUALIFIER_LALT | IEQUALIFIER_LSHIFT | IEQUALIFIER_CONTROL) && code == 0x5f) {
754	+	SetInterruptFlag(INTFLAG_NMI);
755	+	TriggerInterrupt();
756	+	break;
757	+	}
758	+
759		if (code & IECODE_UP_PREFIX)
760		ADBKeyUp(keycode2mac[code & 0x7f]);
761		else
#	Line 552 | Line 797 | static __saveds void periodic_func(void)
797		Forbid();
798		Signal(MainTask, SIGF_SINGLE);
799		}
800	+
801	+
802	+	// Add mode to list of supported modes
803	+	static void add_mode(uint32 width, uint32 height, uint32 resolution_id, uint32 bytes_per_row, video_depth depth)
804	+	{
805	+	video_mode mode;
806	+	mode.x = width;
807	+	mode.y = height;
808	+	mode.resolution_id = resolution_id;
809	+	mode.bytes_per_row = bytes_per_row;
810	+	mode.depth = depth;
811	+
812	+	D(bug("Added video mode: w=%ld  h=%ld  d=%ld\n", width, height, depth));
813	+
814	+	VideoModes.push_back(mode);
815	+	}
816	+
817	+	// Add standard list of modes for given color depth
818	+	static void add_modes(uint32 width, uint32 height, video_depth depth)
819	+	{
820	+	D(bug("add_modes: w=%ld  h=%ld  d=%ld\n", width, height, depth));
821	+
822	+	if (width >= 512 && height >= 384)
823	+	add_mode(512, 384, 0x80, TrivialBytesPerRow(512, depth), depth);
824	+	if (width >= 640 && height >= 480)
825	+	add_mode(640, 480, 0x81, TrivialBytesPerRow(640, depth), depth);
826	+	if (width >= 800 && height >= 600)
827	+	add_mode(800, 600, 0x82, TrivialBytesPerRow(800, depth), depth);
828	+	if (width >= 1024 && height >= 768)
829	+	add_mode(1024, 768, 0x83, TrivialBytesPerRow(1024, depth), depth);
830	+	if (width >= 1152 && height >= 870)
831	+	add_mode(1152, 870, 0x84, TrivialBytesPerRow(1152, depth), depth);
832	+	if (width >= 1280 && height >= 1024)
833	+	add_mode(1280, 1024, 0x85, TrivialBytesPerRow(1280, depth), depth);
834	+	if (width >= 1600 && height >= 1200)
835	+	add_mode(1600, 1200, 0x86, TrivialBytesPerRow(1600, depth), depth);
836	+	}
837	+
838	+
839	+	static ULONG find_mode_for_depth(uint32 width, uint32 height, uint32 depth)
840	+	{
841	+	ULONG ID = BestModeID(BIDTAG_NominalWidth, width,
842	+	BIDTAG_NominalHeight, height,
843	+	BIDTAG_Depth, depth,
844	+	BIDTAG_DIPFMustNotHave, DIPF_IS_ECS | DIPF_IS_HAM | DIPF_IS_AA,
845	+	TAG_END);
846	+
847	+	return ID;
848	+	}
849	+
850	+
851	+	static ULONG bits_from_depth(video_depth depth)
852	+	{
853	+	int bits = 1 << depth;
854	+	if (bits == 16)
855	+	bits = 15;
856	+	else if (bits == 32)
857	+	bits = 24;
858	+
859	+	return bits;
860	+	}
861	+
862	+
863	+	static bool is_valid_modeid(int display_type, ULONG mode_id)
864	+	{
865	+	if (INVALID_ID == mode_id)
866	+	return false;
867	+
868	+	switch (display_type) {
869	+	case DISPLAY_SCREEN_P96:
870	+	return check_modeid_p96(mode_id);
871	+	break;
872	+	case DISPLAY_SCREEN_CGFX:
873	+	return check_modeid_cgfx(mode_id);
874	+	break;
875	+	default:
876	+	return false;
877	+	break;
878	+	}
879	+	}
880	+
881	+
882	+	static bool check_modeid_p96(ULONG mode_id)
883	+	{
884	+	// Check if the mode is one we can handle
885	+	uint32 depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH);
886	+	uint32 format = p96GetModeIDAttr(mode_id, P96IDA_RGBFORMAT);
887	+
888	+	D(bug("check_modeid_p96: mode_id=%08lx  depth=%ld  format=%ld\n", mode_id, depth, format));
889	+
890	+	if (!p96GetModeIDAttr(screen_mode_id, P96IDA_ISP96))
891	+	return false;
892	+
893	+	switch (depth) {
894	+	case 8:
895	+	break;
896	+	case 15:
897	+	case 16:
898	+	if (format != RGBFB_R5G5B5)
899	+	return false;
900	+	break;
901	+	case 24:
902	+	case 32:
903	+	if (format != RGBFB_A8R8G8B8)
904	+	return false;
905	+	break;
906	+	default:
907	+	return false;
908	+	}
909	+
910	+	return true;
911	+	}
912	+
913	+
914	+	static bool check_modeid_cgfx(ULONG mode_id)
915	+	{
916	+	uint32 depth = GetCyberIDAttr(CYBRIDATTR_DEPTH, mode_id);
917	+	uint32 format = GetCyberIDAttr(CYBRIDATTR_PIXFMT, mode_id);
918	+
919	+	D(bug("check_modeid_cgfx: mode_id=%08lx  depth=%ld  format=%ld\n", mode_id, depth, format));
920	+
921	+	if (!IsCyberModeID(mode_id))
922	+	return false;
923	+
924	+	switch (depth) {
925	+	case 8:
926	+	break;
927	+	case 15:
928	+	case 16:
929	+	if (format != PIXFMT_RGB15)
930	+	return false;
931	+	break;
932	+	case 24:
933	+	case 32:
934	+	if (format != PIXFMT_ARGB32)
935	+	return false;
936	+	break;
937	+	default:
938	+	return false;
939	+	}
940	+
941	+	return true;
942	+	}

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