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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 1.8 by cebix, 2000-07-22T18:25:48Z

#	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 47 | Line 47
47		enum {
48		DISPLAY_WINDOW,
49		DISPLAY_PIP,
50	<	DISPLAY_SCREEN
50	>	DISPLAY_SCREEN_P96,
51	>	DISPLAY_SCREEN_CGFX
52		};
53
54		// Global variables
#	Line 56 | Line 57 | static int display_type = DISPLAY_WINDOW
57		static struct Screen *the_screen = NULL;
58		static struct Window *the_win = NULL;
59		static struct BitMap *the_bitmap = NULL;
60	+	static UWORD *null_pointer = NULL;                              // Blank mouse pointer data
61	+	static UWORD *current_pointer = (UWORD *)-1;    // Currently visible mouse pointer data
62		static LONG black_pen = -1, white_pen = -1;
63		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
64
65		extern struct Task *MainTask;                                   // Pointer to main task (from main_amiga.cpp)
66
#	Line 186 | Line 187 | static bool init_pip(int width, int heig
187		return true;
188		}
189
190	<	// Open screen (requires Picasso96/CyberGfx as we need chunky modes)
191	<	static bool init_screen(ULONG mode_id)
190	>	// Open Picasso96 screen
191	>	static bool init_screen_p96(ULONG mode_id)
192		{
193		// Set relative mouse mode
194		ADBSetRelMouseMode(true);
195
196	<	// Check whether the mode is a Picasso96 mode or a CyberGfx mode
197	<	if (P96Base && p96GetModeIDAttr(mode_id, P96IDA_ISP96))
198	<	is_p96 = true;
199	<	else if (CyberGfxBase && IsCyberModeID(mode_id))
200	<	is_cgfx = true;
201	<	else {
202	<	ErrorAlert(GetString(STR_NO_P96_MODE_ERR));
196	>	// Check if the mode is one we can handle
197	>	uint32 depth = p96GetModeIDAttr(mode_id, P96IDA_DEPTH);
198	>	uint32 format = p96GetModeIDAttr(mode_id, P96IDA_RGBFORMAT);
199	>
200	>	switch (depth) {
201	>	case 8:
202	>	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	>	}
224	>
225	>	// Yes, get width and height
226	>	uint32 width = p96GetModeIDAttr(mode_id, P96IDA_WIDTH);
227	>	uint32 height = p96GetModeIDAttr(mode_id, P96IDA_HEIGHT);
228	>
229	>	VideoMonitor.x = width;
230	>	VideoMonitor.y = height;
231	>
232	>	// Open screen
233	>	the_screen = p96OpenScreenTags(
234	>	P96SA_DisplayID, mode_id,
235	>	P96SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
236	>	P96SA_Quiet, TRUE,
237	>	P96SA_NoMemory, TRUE,
238	>	P96SA_NoSprite, TRUE,
239	>	P96SA_Exclusive, TRUE,
240	>	TAG_END
241	>	);
242	>	if (the_screen == NULL) {
243	>	ErrorAlert(GetString(STR_OPEN_SCREEN_ERR));
244		return false;
245		}
246
247	<	uint32 depth;
248	<	uint32 format;
247	>	// Open window
248	>	the_win = OpenWindowTags(NULL,
249	>	WA_Left, 0, WA_Top, 0,
250	>	WA_Width, width, WA_Height, height,
251	>	WA_NoCareRefresh, TRUE,
252	>	WA_Borderless, TRUE,
253	>	WA_Activate, TRUE,
254	>	WA_RMBTrap, TRUE,
255	>	WA_ReportMouse, TRUE,
256	>	WA_CustomScreen, (ULONG)the_screen,
257	>	TAG_END
258	>	);
259	>	if (the_win == NULL) {
260	>	ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
261	>	return false;
262	>	}
263	>
264	>	// Set VideoMonitor
265	>	ScreenToFront(the_screen);
266	>	VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_MEMORY);
267	>	VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_BYTESPERROW);
268	>	return true;
269	>	}
270	>
271	>	// Open CyberGraphX screen
272	>	static bool init_screen_cgfx(ULONG mode_id)
273	>	{
274	>	// Set relative mouse mode
275	>	ADBSetRelMouseMode(true);
276
277		// Check if the mode is one we can handle
278	<	if (is_p96) {
279	<	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	<	}
278	>	uint32 depth = GetCyberIDAttr(CYBRIDATTR_DEPTH, mode_id);
279	>	uint32 format = GetCyberIDAttr(CYBRIDATTR_PIXFMT, mode_id);
280
281		switch (depth) {
282		case 8:
#	Line 220 | Line 284 | static bool init_screen(ULONG mode_id)
284		break;
285		case 15:
286		case 16:
287	<	if (format != RGBFB_R5G5B5 && format != PIXFMT_RGB16) {
287	>	if (format != PIXFMT_RGB16) {
288		ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
289		return false;
290		}
#	Line 228 | Line 292 | static bool init_screen(ULONG mode_id)
292		break;
293		case 24:
294		case 32:
295	<	if (format != RGBFB_A8R8G8B8 && format != PIXFMT_ARGB32) {
295	>	if (format != PIXFMT_ARGB32) {
296		ErrorAlert(GetString(STR_WRONG_SCREEN_FORMAT_ERR));
297		return false;
298		}
#	Line 240 | Line 304 | static bool init_screen(ULONG mode_id)
304		}
305
306		// Yes, get width and height
307	<	uint32 width;
308	<	uint32 height;
307	>	uint32 width = GetCyberIDAttr(CYBRIDATTR_WIDTH, mode_id);
308	>	uint32 height = GetCyberIDAttr(CYBRIDATTR_HEIGHT, mode_id);
309
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	–	}
310		VideoMonitor.x = width;
311		VideoMonitor.y = height;
312
313		// Open screen
314	<	if (is_p96) {
315	<	the_screen = p96OpenScreenTags(
316	<	P96SA_DisplayID, mode_id,
317	<	P96SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
318	<	P96SA_Quiet, TRUE,
319	<	P96SA_NoMemory, TRUE,
320	<	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	<
314	>	the_screen = OpenScreenTags(NULL,
315	>	SA_DisplayID, mode_id,
316	>	SA_Title, (ULONG)GetString(STR_WINDOW_TITLE),
317	>	SA_Quiet, TRUE,
318	>	SA_Exclusive, TRUE,
319	>	TAG_END
320	>	);
321		if (the_screen == NULL) {
322		ErrorAlert(GetString(STR_OPEN_SCREEN_ERR));
323		return false;
#	Line 298 | Line 342 | static bool init_screen(ULONG mode_id)
342
343		// Set VideoMonitor
344		ScreenToFront(the_screen);
345	<	if (is_p96) {
346	<	VideoMonitor.mac_frame_base = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_MEMORY);
347	<	VideoMonitor.bytes_per_row = p96GetBitMapAttr(the_screen->RastPort.BitMap, P96BMA_BYTESPERROW);
348	<	} else {
349	<	static UWORD ptr[] = { 0, 0, 0, 0 };
350	<	SetPointer(the_win, ptr, 0, 0, 0, 0);   // Hide Pointer
351	<
308	<	APTR handle = LockBitMapTags(the_screen->RastPort.BitMap,
309	<	LBMI_BASEADDRESS, (ULONG)&VideoMonitor.mac_frame_base,
310	<	TAG_END);
311	<	UnLockBitMap(handle);
312	<	VideoMonitor.bytes_per_row = GetCyberMapAttr(the_screen->RastPort.BitMap, CYBRMATTR_XMOD);
313	<	}
345	>	static UWORD ptr[] = { 0, 0, 0, 0 };
346	>	SetPointer(the_win, ptr, 0, 0, 0, 0);   // Hide mouse pointer
347	>	APTR handle = LockBitMapTags(the_screen->RastPort.BitMap,
348	>	LBMI_BASEADDRESS, (ULONG)&VideoMonitor.mac_frame_base,
349	>	TAG_END);
350	>	UnLockBitMap(handle);
351	>	VideoMonitor.bytes_per_row = GetCyberMapAttr(the_screen->RastPort.BitMap, CYBRMATTR_XMOD);
352		return true;
353		}
354
355		bool VideoInit(bool classic)
356		{
357	+	// Allocate blank mouse pointer data
358	+	null_pointer = (UWORD *)AllocMem(12, MEMF_PUBLIC | MEMF_CHIP | MEMF_CLEAR);
359	+	if (null_pointer == NULL) {
360	+	ErrorAlert(GetString(STR_NO_MEM_ERR));
361	+	return false;
362	+	}
363	+
364		// Read frame skip prefs
365		frame_skip = PrefsFindInt32("frameskip");
366		if (frame_skip == 0)
#	Line 337 | Line 382 | bool VideoInit(bool classic)
382		display_type = DISPLAY_WINDOW;
383		else if (sscanf(mode_str, "pip/%d/%d", &width, &height) == 2 && P96Base)
384		display_type = DISPLAY_PIP;
385	<	else if (sscanf(mode_str, "scr/%08lx", &mode_id) == 1 && (CyberGfxBase || P96Base))
386	<	display_type = DISPLAY_SCREEN;
385	>	else if (sscanf(mode_str, "scr/%08lx", &mode_id) == 1 && (CyberGfxBase || P96Base)) {
386	>	if (P96Base && p96GetModeIDAttr(mode_id, P96IDA_ISP96))
387	>	display_type = DISPLAY_SCREEN_P96;
388	>	else if (CyberGfxBase && IsCyberModeID(mode_id))
389	>	display_type = DISPLAY_SCREEN_CGFX;
390	>	else {
391	>	ErrorAlert(GetString(STR_NO_P96_MODE_ERR));
392	>	return false;
393	>	}
394	>	}
395		}
396
397		// Open display
#	Line 353 | Line 406 | bool VideoInit(bool classic)
406		return false;
407		break;
408
409	<	case DISPLAY_SCREEN:
410	<	if (!init_screen(mode_id))
409	>	case DISPLAY_SCREEN_P96:
410	>	if (!init_screen_p96(mode_id))
411	>	return false;
412	>	break;
413	>
414	>	case DISPLAY_SCREEN_CGFX:
415	>	if (!init_screen_cgfx(mode_id))
416		return false;
417		break;
418		}
#	Line 413 | Line 471 | void VideoExit(void)
471		p96PIP_Close(the_win);
472		break;
473
474	<	case DISPLAY_SCREEN:
474	>	case DISPLAY_SCREEN_P96:
475
476		// Close window
477		if (the_win)
#	Line 421 | Line 479 | void VideoExit(void)
479
480		// Close screen
481		if (the_screen) {
482	<	if (is_p96)
483	<	p96CloseScreen(the_screen);
484	<	else
485	<	CloseScreen(the_screen);
482	>	p96CloseScreen(the_screen);
483	>	the_screen = NULL;
484	>	}
485	>	break;
486	>
487	>	case DISPLAY_SCREEN_CGFX:
488
489	+	// Close window
490	+	if (the_win)
491	+	CloseWindow(the_win);
492	+
493	+	// Close screen
494	+	if (the_screen) {
495	+	CloseScreen(the_screen);
496		the_screen = NULL;
497		}
498		break;
499		}
500	+
501	+	// Free mouse pointer
502	+	if (null_pointer) {
503	+	FreeMem(null_pointer, 12);
504	+	null_pointer = NULL;
505	+	}
506		}
507
508
#	Line 439 | Line 512 | void VideoExit(void)
512
513		void video_set_palette(uint8 *pal)
514		{
515	<	if (display_type == DISPLAY_SCREEN) {
515	>	if (display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX) {
516
517		// Convert palette to 32 bits
518		ULONG table[2 + 256 * 3];
#	Line 482 | Line 555 | static __saveds void periodic_func(void)
555		if (win_port) {
556		win_mask = 1 << win_port->mp_SigBit;
557		the_win->UserPort = win_port;
558	<	ModifyIDCMP(the_win, IDCMP_MOUSEBUTTONS | IDCMP_MOUSEMOVE | IDCMP_RAWKEY | (display_type == DISPLAY_SCREEN ? IDCMP_DELTAMOVE : 0));
558	>	ModifyIDCMP(the_win, IDCMP_MOUSEBUTTONS | IDCMP_MOUSEMOVE | IDCMP_RAWKEY | ((display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX) ? IDCMP_DELTAMOVE : 0));
559		}
560
561		// Start 60Hz timer for window refresh
#	Line 540 | Line 613 | static __saveds void periodic_func(void)
613		// Handle message according to class
614		switch (cl) {
615		case IDCMP_MOUSEMOVE:
616	<	if (display_type == DISPLAY_SCREEN)
616	>	if (display_type == DISPLAY_SCREEN_P96 || display_type == DISPLAY_SCREEN_CGFX)
617		ADBMouseMoved(mx, my);
618	<	else
618	>	else {
619		ADBMouseMoved(mx - the_win->BorderLeft, my - the_win->BorderTop);
620	+	if (mx < the_win->BorderLeft
621	+	|| my < the_win->BorderTop
622	+	|| mx >= the_win->BorderLeft + VideoMonitor.x
623	+	|| my >= the_win->BorderTop + VideoMonitor.y) {
624	+	if (current_pointer) {
625	+	ClearPointer(the_win);
626	+	current_pointer = NULL;
627	+	}
628	+	} else {
629	+	if (current_pointer != null_pointer) {
630	+	// Hide mouse pointer inside window
631	+	SetPointer(the_win, null_pointer, 1, 16, 0, 0);
632	+	current_pointer = null_pointer;
633	+	}
634	+	}
635	+	}
636		break;
637
638		case IDCMP_MOUSEBUTTONS:

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