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

Comparing BasiliskII/src/AmigaOS/video_amiga.cpp (file contents):
Revision 1.5 by cebix, 2000-07-13T17:45:33Z vs.
Revision 1.14 by cebix, 2001-06-27T20:05:29Z

#	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 47 | 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 56 | 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
61	–	static bool is_cgfx = false;                                    // Flag: screen mode is a CyberGfx mode
62	–	static bool is_p96 = false;                                             // Flag: screen mode is a Picasso96 mode
65
66		extern struct Task *MainTask;                                   // Pointer to main task (from main_amiga.cpp)
67
#	Line 93 | Line 95 | static void periodic_func(void);
95		*  Initialization
96		*/
97
98	+	// Add resolution to list of supported modes and set VideoMonitor
99	+	static void set_video_monitor(uint32 width, uint32 height, uint32 bytes_per_row, int depth)
100	+	{
101	+	video_mode mode;
102	+
103	+	mode.x = width;
104	+	mode.y = height;
105	+	mode.resolution_id = 0x80;
106	+	mode.bytes_per_row = bytes_per_row;
107	+
108	+	switch (depth) {
109	+	case 1:
110	+	mode.depth = VDEPTH_1BIT;
111	+	break;
112	+	case 2:
113	+	mode.depth = VDEPTH_2BIT;
114	+	break;
115	+	case 4:
116	+	mode.depth = VDEPTH_4BIT;
117	+	break;
118	+	case 8:
119	+	mode.depth = VDEPTH_8BIT;
120	+	break;
121	+	case 15:
122	+	mode.depth = VDEPTH_16BIT;
123	+	break;
124	+	case 16:
125	+	mode.depth = VDEPTH_16BIT;
126	+	break;
127	+	case 24:
128	+	case 32:
129	+	mode.depth = VDEPTH_32BIT;
130	+	break;
131	+	}
132	+
133	+	VideoModes.push_back(mode);
134	+	VideoMonitor.mode = mode;
135	+	}
136	+
137		// Open window
138		static bool init_window(int width, int height)
139		{
#	Line 126 | Line 167 | static bool init_window(int width, int h
167		return false;
168		}
169
170	<	// Set VideoMonitor
170	>	// Add resolution and set VideoMonitor
171	>	set_video_monitor(width, height, the_bitmap->BytesPerRow, 1);
172		VideoMonitor.mac_frame_base = (uint32)the_bitmap->Planes[0];
131	–	VideoMonitor.bytes_per_row = the_bitmap->BytesPerRow;
132	–	VideoMonitor.x = width;
133	–	VideoMonitor.y = height;
134	–	VideoMonitor.mode = VMODE_1BIT;
173
174		// Set FgPen and BgPen
175		black_pen = ObtainBestPenA(the_win->WScreen->ViewPort.ColorMap, 0, 0, 0, NULL);
#	Line 177 | Line 215 | static bool init_pip(int width, int heig
215		// Find bitmap
216		p96PIP_GetTags(the_win, P96PIP_SourceBitMap, (ULONG)&the_bitmap, TAG_END);
217
218	<	// Set VideoMonitor
218	>	// Add resolution and set VideoMonitor
219	>	set_video_monitor(width, height, p96GetBitMapAttr(the_bitmap, P96BMA_BYTESPERROW), 16);
220		VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_bitmap, P96BMA_MEMORY);
182	–	VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_bitmap, P96BMA_BYTESPERROW);
183	–	VideoMonitor.x = width;
184	–	VideoMonitor.y = height;
185	–	VideoMonitor.mode = VMODE_16BIT;
221		return true;
222		}
223
224	<	// Open screen (requires Picasso96/CyberGfx as we need chunky modes)
225	<	static bool init_screen(ULONG mode_id)
224	>	// Open Picasso96 screen
225	>	static bool init_screen_p96(ULONG mode_id)
226		{
227		// Set relative mouse mode
228		ADBSetRelMouseMode(true);
229
230	<	// Check whether the mode is a Picasso96 mode or a CyberGfx mode
231	<	if (P96Base && p96GetModeIDAttr(mode_id, P96IDA_ISP96))
232	<	is_p96 = true;
233	<	else if (CyberGfxBase && IsCyberModeID(mode_id))
234	<	is_cgfx = true;
235	<	else {
236	<	ErrorAlert(GetString(STR_NO_P96_MODE_ERR));
230	>	// Check if the mode is one we can handle
231	>	uint32 depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH);
232	>	uint32 format = p96GetModeIDAttr(mode_id, P96IDA_RGBFORMAT);
233	>
234	>	switch (depth) {
235	>	case 8:
236	>	break;
237	>	case 15:
238	>	case 16:
239	>	if (format != RGBFB_R5G5B5) {
240	>	ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
241	>	return false;
242	>	}
243	>	break;
244	>	case 24:
245	>	case 32:
246	>	if (format != RGBFB_A8R8G8B8) {
247	>	ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
248	>	return false;
249	>	}
250	>	break;
251	>	default:
252	>	ErrorAlert(GetString(STR_WRONG_SCREEN_DEPTH_ERR));
253	>	return false;
254	>	}
255	>
256	>	// Yes, get width and height
257	>	uint32 width = p96GetModeIDAttr(mode_id, P96IDA_WIDTH);
258	>	uint32 height = p96GetModeIDAttr(mode_id, P96IDA_HEIGHT);
259	>
260	>	// Open screen
261	>	the_screen = p96OpenScreenTags(
262	>	P96SA_DisplayID, mode_id,
263	>	P96SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
264	>	P96SA_Quiet, TRUE,
265	>	P96SA_NoMemory, TRUE,
266	>	P96SA_NoSprite, TRUE,
267	>	P96SA_Exclusive, TRUE,
268	>	TAG_END
269	>	);
270	>	if (the_screen == NULL) {
271	>	ErrorAlert(GetString(STR_OPEN_SCREEN_ERR));
272		return false;
273		}
274
275	<	uint32 depth;
276	<	uint32 format;
275	>	// Open window
276	>	the_win = OpenWindowTags(NULL,
277	>	WA_Left, 0, WA_Top, 0,
278	>	WA_Width, width, WA_Height, height,
279	>	WA_NoCareRefresh, TRUE,
280	>	WA_Borderless, TRUE,
281	>	WA_Activate, TRUE,
282	>	WA_RMBTrap, TRUE,
283	>	WA_ReportMouse, TRUE,
284	>	WA_CustomScreen, (ULONG)the_screen,
285	>	TAG_END
286	>	);
287	>	if (the_win == NULL) {
288	>	ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
289	>	return false;
290	>	}
291	>
292	>	ScreenToFront(the_screen);
293	>
294	>	// Add resolution and set VideoMonitor
295	>	set_video_monitor(width, height, p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_BYTESPERROW), depth);
296	>	VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_MEMORY);
297	>	return true;
298	>	}
299	>
300	>	// Open CyberGraphX screen
301	>	static bool init_screen_cgfx(ULONG mode_id)
302	>	{
303	>	// Set relative mouse mode
304	>	ADBSetRelMouseMode(true);
305
306		// Check if the mode is one we can handle
307	<	if (is_p96) {
308	<	depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH);
211	<	format = p96GetModeIDAttr(mode_id, P96IDA_RGBFORMAT);
212	<	} else {
213	<	depth = GetCyberIDAttr(CYBRIDATTR_DEPTH, mode_id);
214	<	format = GetCyberIDAttr(CYBRIDATTR_PIXFMT, mode_id);
215	<	}
307	>	uint32 depth = GetCyberIDAttr(CYBRIDATTR_DEPTH, mode_id);
308	>	uint32 format = GetCyberIDAttr(CYBRIDATTR_PIXFMT, mode_id);
309
310		switch (depth) {
311		case 8:
219	–	VideoMonitor.mode = VMODE_8BIT;
312		break;
313		case 15:
314		case 16:
315	<	if (format != RGBFB_R5G5B5 && format != PIXFMT_RGB16) {
315	>	// !!! PIXFMT_RGB15 is correct !!!
316	>	if (format != PIXFMT_RGB15) {
317		ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
318		return false;
319		}
227	–	VideoMonitor.mode = VMODE_16BIT;
320		break;
321		case 24:
322		case 32:
323	<	if (format != RGBFB_A8R8G8B8 && format != PIXFMT_ARGB32) {
323	>	if (format != PIXFMT_ARGB32) {
324		ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
325		return false;
326		}
235	–	VideoMonitor.mode = VMODE_32BIT;
327		break;
328		default:
329		ErrorAlert(GetString(STR_WRONG_SCREEN_DEPTH_ERR));
#	Line 240 | Line 331 | static bool init_screen(ULONG mode_id)
331		}
332
333		// Yes, get width and height
334	<	uint32 width;
335	<	uint32 height;
245	<
246	<	if (is_p96) {
247	<	width = p96GetModeIDAttr(mode_id, P96IDA_WIDTH);
248	<	height = p96GetModeIDAttr(mode_id, P96IDA_HEIGHT);
249	<	} else {
250	<	width = GetCyberIDAttr(CYBRIDATTR_WIDTH, mode_id);
251	<	height = GetCyberIDAttr(CYBRIDATTR_HEIGHT, mode_id);
252	<	}
253	<	VideoMonitor.x = width;
254	<	VideoMonitor.y = height;
334	>	uint32 width = GetCyberIDAttr(CYBRIDATTR_WIDTH, mode_id);
335	>	uint32 height = GetCyberIDAttr(CYBRIDATTR_HEIGHT, mode_id);
336
337		// Open screen
338	<	if (is_p96) {
339	<	the_screen = p96OpenScreenTags(
340	<	P96SA_DisplayID, mode_id,
341	<	P96SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
342	<	P96SA_Quiet, TRUE,
343	<	P96SA_NoMemory, TRUE,
344	<	P96SA_NoSprite, TRUE,
264	<	P96SA_Exclusive, TRUE,
265	<	TAG_END
266	<	);
267	<	} else {
268	<	the_screen = OpenScreenTags(NULL,
269	<	SA_DisplayID, mode_id,
270	<	SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
271	<	SA_Quiet, TRUE,
272	<	SA_Exclusive, TRUE,
273	<	TAG_END
274	<	);
275	<	}
276	<
338	>	the_screen = OpenScreenTags(NULL,
339	>	SA_DisplayID, mode_id,
340	>	SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
341	>	SA_Quiet, TRUE,
342	>	SA_Exclusive, TRUE,
343	>	TAG_END
344	>	);
345		if (the_screen == NULL) {
346		ErrorAlert(GetString(STR_OPEN_SCREEN_ERR));
347		return false;
#	Line 296 | Line 364 | static bool init_screen(ULONG mode_id)
364		return false;
365		}
366
299	–	// Set VideoMonitor
367		ScreenToFront(the_screen);
368	<	if (is_p96) {
369	<	VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_MEMORY);
370	<	VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_BYTESPERROW);
371	<	} else {
372	<	static UWORD ptr[] = { 0, 0, 0, 0 };
373	<	SetPointer(the_win, ptr, 0, 0, 0, 0);   // Hide Pointer
374	<
375	<	APTR handle = LockBitMapTags(the_screen->RastPort.BitMap,
376	<	LBMI_BASEADDRESS, (ULONG)&VideoMonitor.mac_frame_base,
377	<	TAG_END);
378	<	UnLockBitMap(handle);
379	<	VideoMonitor.bytes_per_row = GetCyberMapAttr(the_screen->RastPort.BitMap, CYBRMATTR_XMOD);
313	<	}
368	>	static UWORD ptr[] = { 0, 0, 0, 0 };
369	>	SetPointer(the_win, ptr, 0, 0, 0, 0);   // Hide mouse pointer
370	>
371	>	// Set VideoMonitor
372	>	ULONG frame_base;
373	>	APTR handle = LockBitMapTags(the_screen->RastPort.BitMap,
374	>	LBMI_BASEADDRESS, (ULONG)&frame_base,
375	>	TAG_END
376	>	);
377	>	UnLockBitMap(handle);
378	>	set_video_monitor(width, height, GetCyberMapAttr(the_screen->RastPort.BitMap, CYBRMATTR_XMOD), depth);
379	>	VideoMonitor.mac_frame_base = frame_base;
380		return true;
381		}
382
383		bool VideoInit(bool classic)
384		{
385	+	// Allocate blank mouse pointer data
386	+	null_pointer = (UWORD *)AllocMem(12, MEMF_PUBLIC | MEMF_CHIP | MEMF_CLEAR);
387	+	if (null_pointer == NULL) {
388	+	ErrorAlert(GetString(STR_NO_MEM_ERR));
389	+	return false;
390	+	}
391	+
392		// Read frame skip prefs
393		frame_skip = PrefsFindInt32("frameskip");
394		if (frame_skip == 0)
#	Line 337 | Line 410 | bool VideoInit(bool classic)
410		display_type = DISPLAY_WINDOW;
411		else if (sscanf(mode_str, "pip/%d/%d", &width, &height) == 2 && P96Base)
412		display_type = DISPLAY_PIP;
413	<	else if (sscanf(mode_str, "scr/%08lx", &mode_id) == 1 && (CyberGfxBase || P96Base))
414	<	display_type = DISPLAY_SCREEN;
413	>	else if (sscanf(mode_str, "scr/%08lx", &mode_id) == 1 && (CyberGfxBase || P96Base)) {
414	>	if (P96Base && p96GetModeIDAttr(mode_id, P96IDA_ISP96))
415	>	display_type = DISPLAY_SCREEN_P96;
416	>	else if (CyberGfxBase && IsCyberModeID(mode_id))
417	>	display_type = DISPLAY_SCREEN_CGFX;
418	>	else {
419	>	ErrorAlert(GetString(STR_NO_P96_MODE_ERR));
420	>	return false;
421	>	}
422	>	}
423		}
424
425		// Open display
#	Line 353 | Line 434 | bool VideoInit(bool classic)
434		return false;
435		break;
436
437	<	case DISPLAY_SCREEN:
438	<	if (!init_screen(mode_id))
437	>	case DISPLAY_SCREEN_P96:
438	>	if (!init_screen_p96(mode_id))
439	>	return false;
440	>	break;
441	>
442	>	case DISPLAY_SCREEN_CGFX:
443	>	if (!init_screen_cgfx(mode_id))
444		return false;
445		break;
446		}
#	Line 413 | Line 499 | void VideoExit(void)
499		p96PIP_Close(the_win);
500		break;
501
502	<	case DISPLAY_SCREEN:
502	>	case DISPLAY_SCREEN_P96:
503
504		// Close window
505		if (the_win)
#	Line 421 | Line 507 | void VideoExit(void)
507
508		// Close screen
509		if (the_screen) {
510	<	if (is_p96)
511	<	p96CloseScreen(the_screen);
512	<	else
513	<	CloseScreen(the_screen);
510	>	p96CloseScreen(the_screen);
511	>	the_screen = NULL;
512	>	}
513	>	break;
514	>
515	>	case DISPLAY_SCREEN_CGFX:
516	>
517	>	// Close window
518	>	if (the_win)
519	>	CloseWindow(the_win);
520
521	+	// Close screen
522	+	if (the_screen) {
523	+	CloseScreen(the_screen);
524		the_screen = NULL;
525		}
526		break;
527		}
528	+
529	+	// Free mouse pointer
530	+	if (null_pointer) {
531	+	FreeMem(null_pointer, 12);
532	+	null_pointer = NULL;
533	+	}
534		}
535
536
#	Line 439 | Line 540 | void VideoExit(void)
540
541		void video_set_palette(uint8 *pal)
542		{
543	<	if (display_type == DISPLAY_SCREEN) {
543	>	if (display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX) {
544
545		// Convert palette to 32 bits
546		ULONG table[2 + 256 * 3];
#	Line 458 | Line 559 | void video_set_palette(uint8 *pal)
559
560
561		/*
562	+	*  Switch video mode
563	+	*/
564	+
565	+	void video_switch_to_mode(const video_mode &mode)
566	+	{
567	+	}
568	+
569	+
570	+	/*
571		*  Video message handling (not neccessary under AmigaOS, handled by periodic_func())
572		*/
573
#	Line 482 | Line 592 | static __saveds void periodic_func(void)
592		if (win_port) {
593		win_mask = 1 << win_port->mp_SigBit;
594		the_win->UserPort = win_port;
595	<	ModifyIDCMP(the_win, IDCMP_MOUSEBUTTONS | IDCMP_MOUSEMOVE | IDCMP_RAWKEY | (display_type == DISPLAY_SCREEN ? IDCMP_DELTAMOVE : 0));
595	>	ModifyIDCMP(the_win, IDCMP_MOUSEBUTTONS | IDCMP_MOUSEMOVE | IDCMP_RAWKEY | ((display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX) ? IDCMP_DELTAMOVE : 0));
596		}
597
598		// Start 60Hz timer for window refresh
#	Line 515 | Line 625 | static __saveds void periodic_func(void)
625
626		// Timer tick, update display
627		BltTemplate(the_bitmap->Planes[0], 0, the_bitmap->BytesPerRow, the_win->RPort,
628	<	the_win->BorderLeft, the_win->BorderTop, VideoMonitor.x, VideoMonitor.y);
628	>	the_win->BorderLeft, the_win->BorderTop, VideoMonitor.mode.x, VideoMonitor.mode.y);
629
630		// Restart timer
631		timer_io->tr_node.io_Command = TR_ADDREQUEST;
#	Line 540 | Line 650 | static __saveds void periodic_func(void)
650		// Handle message according to class
651		switch (cl) {
652		case IDCMP_MOUSEMOVE:
653	<	if (display_type == DISPLAY_SCREEN)
653	>	if (display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX)
654		ADBMouseMoved(mx, my);
655	<	else
655	>	else {
656		ADBMouseMoved(mx - the_win->BorderLeft, my - the_win->BorderTop);
657	+	if (mx < the_win->BorderLeft
658	+	|| my < the_win->BorderTop
659	+	|| mx >= the_win->BorderLeft + VideoMonitor.mode.x
660	+	|| my >= the_win->BorderTop + VideoMonitor.mode.y) {
661	+	if (current_pointer) {
662	+	ClearPointer(the_win);
663	+	current_pointer = NULL;
664	+	}
665	+	} else {
666	+	if (current_pointer != null_pointer) {
667	+	// Hide mouse pointer inside window
668	+	SetPointer(the_win, null_pointer, 1, 16, 0, 0);
669	+	current_pointer = null_pointer;
670	+	}
671	+	}
672	+	}
673		break;
674
675		case IDCMP_MOUSEBUTTONS:
#	Line 564 | Line 690 | static __saveds void periodic_func(void)
690		case IDCMP_RAWKEY:
691		if (qualifier & IEQUALIFIER_REPEAT)     // Keyboard repeat is done by MacOS
692		break;
693	+	if ((qualifier & (IEQUALIFIER_LALT | IEQUALIFIER_LSHIFT | IEQUALIFIER_CONTROL)) ==
694	+	(IEQUALIFIER_LALT | IEQUALIFIER_LSHIFT | IEQUALIFIER_CONTROL) && code == 0x5f) {
695	+	SetInterruptFlag(INTFLAG_NMI);
696	+	TriggerInterrupt();
697	+	break;
698	+	}
699	+
700		if (code & IECODE_UP_PREFIX)
701		ADBKeyUp(keycode2mac[code & 0x7f]);
702		else

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