[ViewVC] Diff of: cebix/BasiliskII/src/video.cpp

Comparing BasiliskII/src/video.cpp (file contents):
Revision 1.5 by jlachmann, 2000-08-20T14:08:40Z vs.
Revision 1.11 by cebix, 2001-06-28T21:19:59Z

#	Line 1 \| Line 1
1		/*
2		* video.cpp - Video/graphics emulation
3		*
4	<	* Basilisk II (C) 1997-2000 Christian Bauer
4	>	* Basilisk II (C) 1997-2001 Christian Bauer
5		* Portions (C) 1997-1999 Marc Hellwig
6		*
7		* This program is free software; you can redistribute it and/or modify
#	Line 38 \| Line 38
38		#include "debug.h"
39
40
41	+	// List of supported video modes
42	+	vector<video_mode> VideoModes;
43	+
44		// Description of the main monitor
45	<	video_desc VideoMonitor;
45	>	monitor_desc VideoMonitor;
46
47		// Local variables (per monitor)
48		struct {
49	<	video_desc *desc; // Pointer to monitor description
49	>	monitor_desc *desc; // Pointer to description of monitor handled by this instance of the driver
50		uint8 palette[256 * 3]; // Color palette, 256 entries, RGB
51		bool luminance_mapping; // Luminance mapping on/off
52		bool interrupts_enabled; // VBL interrupts on/off
53	+	uint32 gamma_table; // Mac address of gamma table
54	+	uint16 current_mode; // Currently selected depth/resolution
55	+	uint32 current_id;
56	+	uint16 preferred_mode; // Preferred depth/resolution
57	+	uint32 preferred_id;
58	+	uint32 sp; // Mac address of Slot Manager parameter block
59		} VidLocal;
60
61
62		/*
63	+	* Check whether specified resolution ID is one of the supported resolutions
64	+	*/
65	+
66	+	static bool has_resolution(uint32 id)
67	+	{
68	+	std::vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
69	+	while (i != end) {
70	+	if (i->resolution_id == id)
71	+	return true;
72	+	++i;
73	+	}
74	+	return false;
75	+	}
76	+
77	+
78	+	/*
79	+	* Find specified mode (depth/resolution) (or VideoModes.end() if not found)
80	+	*/
81	+
82	+	static std::vector<video_mode>::const_iterator find_mode(uint16 mode, uint32 id)
83	+	{
84	+	std::vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
85	+	while (i != end) {
86	+	if (i->resolution_id == id && DepthToAppleMode(i->depth) == mode)
87	+	return i;
88	+	++i;
89	+	}
90	+	return i;
91	+	}
92	+
93	+
94	+	/*
95	+	* Find maximum supported depth for given resolution ID
96	+	*/
97	+
98	+	static video_depth max_depth_of_resolution(uint32 id)
99	+	{
100	+	video_depth m = VDEPTH_1BIT;
101	+	vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
102	+	while (i != end) {
103	+	if (i->depth > m)
104	+	m = i->depth;
105	+	++i;
106	+	}
107	+	return m;
108	+	}
109	+
110	+
111	+	/*
112	+	* Get X/Y size of specified resolution
113	+	*/
114	+
115	+	static void get_size_of_resolution(uint32 id, uint32 &x, uint32 &y)
116	+	{
117	+	vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
118	+	while (i != end) {
119	+	if (i->resolution_id == id) {
120	+	x = i->x;
121	+	y = i->y;
122	+	return;
123	+	}
124	+	++i;
125	+	}
126	+	}
127	+
128	+
129	+	/*
130	+	* Set palette to 50% gray
131	+	*/
132	+
133	+	static void set_gray_palette(void)
134	+	{
135	+	if (!IsDirectMode(VidLocal.current_mode)) {
136	+	for (int i=0; i<256; i++) {
137	+	VidLocal.palette[i * 3 + 0] = 127;
138	+	VidLocal.palette[i * 3 + 1] = 127;
139	+	VidLocal.palette[i * 3 + 2] = 127;
140	+	}
141	+	video_set_palette(VidLocal.palette);
142	+	}
143	+	}
144	+
145	+
146	+	/*
147		* Driver Open() routine
148		*/
149
#	Line 58 \| Line 151 \| int16 VideoDriverOpen(uint32 pb, uint32
151		{
152		D(bug("VideoDriverOpen\n"));
153
154	+	// This shouldn't happen unless the platform-specific video code is broken
155	+	if (VideoModes.empty())
156	+	fprintf(stderr, "No valid video modes found (broken video driver?)\n");
157	+
158		// Init local variables
159		VidLocal.desc = &VideoMonitor;
160		VidLocal.luminance_mapping = false;
161		VidLocal.interrupts_enabled = false;
162	+	VidLocal.current_mode = DepthToAppleMode(VidLocal.desc->mode.depth);
163	+	VidLocal.current_id = VidLocal.desc->mode.resolution_id;
164	+	VidLocal.preferred_mode = VidLocal.current_mode;
165	+	VidLocal.preferred_id = VidLocal.current_id;
166	+
167	+	// Allocate Slot Manager parameter block in Mac RAM
168	+	M68kRegisters r;
169	+	r.d[0] = SIZEOF_SPBlock;
170	+	Execute68kTrap(0xa71e, &r); // NewPtrSysClear()
171	+	if (r.a[0] == 0)
172	+	return memFullErr;
173	+	VidLocal.sp = r.a[0];
174	+	D(bug("SPBlock at %08x\n", VidLocal.sp));
175	+
176	+	// Find and set default gamma table
177	+	VidLocal.gamma_table = 0; //!!
178
179		// Init color palette (solid gray)
180	<	if (!IsDirectMode(VidLocal.desc->mode)) {
68	<	for (int i=0; i<256; i++) {
69	<	VidLocal.palette[i * 3 + 0] = 127;
70	<	VidLocal.palette[i * 3 + 1] = 127;
71	<	VidLocal.palette[i * 3 + 2] = 127;
72	<	}
73	<	video_set_palette(VidLocal.palette);
74	<	}
180	>	set_gray_palette();
181		return noErr;
182		}
183
#	Line 87 \| Line 193 \| int16 VideoDriverControl(uint32 pb, uint
193		D(bug("VideoDriverControl %d\n", code));
194		switch (code) {
195
196	<	case cscSetMode: // Set color depth
197	<	D(bug(" SetMode %04x\n", ReadMacInt16(param + csMode)));
196	>	case cscSetMode: { // Set color depth
197	>	uint16 mode = ReadMacInt16(param + csMode);
198	>	D(bug(" SetMode %04x\n", mode));
199	>
200	>	// Set old base address in case the switch fails
201		WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base);
202	+
203	+	if (ReadMacInt16(param + csPage))
204	+	return paramErr;
205	+
206	+	if (mode != VidLocal.current_mode) {
207	+	std::vector<video_mode>::const_iterator i = find_mode(mode, VidLocal.current_id);
208	+	if (i == VideoModes.end())
209	+	return paramErr;
210	+	set_gray_palette();
211	+	video_switch_to_mode(*i);
212	+	VidLocal.current_mode = mode;
213	+	WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base);
214	+	WriteMacInt32(dce + dCtlDevBase, VidLocal.desc->mac_frame_base);
215	+	}
216	+	D(bug(" base %08x\n", VidLocal.desc->mac_frame_base));
217		return noErr;
218	+	}
219
220		case cscSetEntries: { // Set palette
221	<	D(bug(" SetEntries table %08lx, count %d, start %d\n", ReadMacInt32(param + csTable), ReadMacInt16(param + csCount), ReadMacInt16(param + csStart)));
222	<	if (IsDirectMode(VidLocal.desc->mode))
221	>	D(bug(" SetEntries table %08x, count %d, start %d\n", ReadMacInt32(param + csTable), ReadMacInt16(param + csCount), ReadMacInt16(param + csStart)));
222	>	if (IsDirectMode(VidLocal.current_mode))
223		return controlErr;
224
225		uint32 s_pal = ReadMacInt32(param + csTable); // Source palette
226		uint8 *d_pal; // Destination palette
227	+	uint16 start = ReadMacInt16(param + csStart);
228		uint16 count = ReadMacInt16(param + csCount);
229	<	if (!s_pal \|\| count > 255)
229	>	if (s_pal == 0 \|\| count > 255)
230		return paramErr;
231
232	<	if (ReadMacInt16(param + csStart) == 0xffff) { // Indexed
232	>	if (start == 0xffff) { // Indexed
233		for (uint32 i=0; i<=count; i++) {
234	<	d_pal = VidLocal.palette + ReadMacInt16(s_pal) * 3;
234	>	d_pal = VidLocal.palette + (ReadMacInt16(s_pal) & 0xff) * 3;
235		uint8 red = (uint16)ReadMacInt16(s_pal + 2) >> 8;
236		uint8 green = (uint16)ReadMacInt16(s_pal + 4) >> 8;
237		uint8 blue = (uint16)ReadMacInt16(s_pal + 6) >> 8;
238		if (VidLocal.luminance_mapping)
239		red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16;
240	+	//!! gamma correction
241		*d_pal++ = red;
242		*d_pal++ = green;
243		*d_pal++ = blue;
244		s_pal += 8;
245		}
246	<	} else { // Sequential
247	<	d_pal = VidLocal.palette + ReadMacInt16(param + csStart) * 3;
246	>	} else { // Sequential
247	>	if (start + count > 255)
248	>	return paramErr;
249	>	d_pal = VidLocal.palette + start * 3;
250		for (uint32 i=0; i<=count; i++) {
251		uint8 red = (uint16)ReadMacInt16(s_pal + 2) >> 8;
252		uint8 green = (uint16)ReadMacInt16(s_pal + 4) >> 8;
253		uint8 blue = (uint16)ReadMacInt16(s_pal + 6) >> 8;
254		if (VidLocal.luminance_mapping)
255		red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16;
256	+	//!! gamma correction
257		*d_pal++ = red;
258		*d_pal++ = green;
259		*d_pal++ = blue;
#	Line 136 \| Line 266 \| int16 VideoDriverControl(uint32 pb, uint
266
267		case cscSetGamma: // Set gamma table
268		D(bug(" SetGamma\n"));
269	<	return noErr;
269	>	//!!
270	>	return controlErr;
271
272		case cscGrayPage: { // Fill page with dithered gray pattern
273		D(bug(" GrayPage %d\n", ReadMacInt16(param + csPage)));
#	Line 152 \| Line 283 \| int16 VideoDriverControl(uint32 pb, uint
283		0xffffffff // 32 bpp
284		};
285		uint32 p = VidLocal.desc->mac_frame_base;
286	<	uint32 pat = pattern[VidLocal.desc->mode];
287	<	for (uint32 y=0; y<VidLocal.desc->y; y++) {
288	<	uint32 p2 = p;
289	<	for (uint32 x=0; x<VidLocal.desc->bytes_per_row / 4; x++) {
290	<	WriteMacInt32(p2, pat);
291	<	p2 += 4;
161	<	if (VidLocal.desc->mode == VMODE_32BIT)
286	>	uint32 pat = pattern[VidLocal.desc->mode.depth];
287	>	bool invert = (VidLocal.desc->mode.depth == VDEPTH_32BIT);
288	>	for (uint32 y=0; y<VidLocal.desc->mode.y; y++) {
289	>	for (uint32 x=0; x<VidLocal.desc->mode.bytes_per_row; x+=4) {
290	>	WriteMacInt32(p + x, pat);
291	>	if (invert)
292		pat = ~pat;
293		}
294	<	p += VidLocal.desc->bytes_per_row;
294	>	p += VidLocal.desc->mode.bytes_per_row;
295		pat = ~pat;
296		}
297	+	//!! if direct mode, load gamma table to CLUT
298		return noErr;
299		}
300
#	Line 172 \| Line 303 \| int16 VideoDriverControl(uint32 pb, uint
303		VidLocal.luminance_mapping = ReadMacInt8(param + csMode);
304		return noErr;
305
175	–	case cscSwitchMode: // Switch video mode
176	–	D(bug(" SwitchMode %04x, %08lx\n", ReadMacInt16(param + csMode), ReadMacInt32(param + csData)));
177	–	WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base);
178	–	return noErr;
179	–
306		case cscSetInterrupt: // Enable/disable VBL
307		D(bug(" SetInterrupt %02x\n", ReadMacInt8(param + csMode)));
308		VidLocal.interrupts_enabled = (ReadMacInt8(param + csMode) == 0);
309		return noErr;
310
311	+	case cscSetDefaultMode: { // Set default color depth
312	+	uint16 mode = ReadMacInt16(param + csMode);
313	+	D(bug(" SetDefaultMode %04x\n", mode));
314	+	VidLocal.preferred_mode = mode;
315	+	return noErr;
316	+	}
317	+
318	+	case cscSwitchMode: { // Switch video mode (depth and resolution)
319	+	uint16 mode = ReadMacInt16(param + csMode);
320	+	uint32 id = ReadMacInt32(param + csData);
321	+	D(bug(" SwitchMode %04x, %08x\n", mode, id));
322	+
323	+	// Set old base address in case the switch fails
324	+	WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base);
325	+
326	+	if (ReadMacInt16(param + csPage))
327	+	return paramErr;
328	+
329	+	if (mode != VidLocal.current_mode \|\| id != VidLocal.current_id) {
330	+	std::vector<video_mode>::const_iterator i = find_mode(mode, id);
331	+	if (i == VideoModes.end())
332	+	return paramErr;
333	+	set_gray_palette();
334	+	video_switch_to_mode(*i);
335	+	VidLocal.current_mode = mode;
336	+	VidLocal.current_id = id;
337	+	uint32 frame_base = VidLocal.desc->mac_frame_base;
338	+	WriteMacInt32(param + csBaseAddr, frame_base);
339	+
340	+	M68kRegisters r;
341	+	uint32 sp = VidLocal.sp;
342	+	r.a[0] = sp;
343	+
344	+	// Find functional sResource for this display
345	+	WriteMacInt8(sp + spSlot, ReadMacInt8(dce + dCtlSlot));
346	+	WriteMacInt8(sp + spID, ReadMacInt8(dce + dCtlSlotId));
347	+	WriteMacInt8(sp + spExtDev, 0);
348	+	r.d[0] = 0x0016;
349	+	Execute68kTrap(0xa06e, &r); // SRsrcInfo()
350	+	uint32 rsrc = ReadMacInt32(sp + spPointer);
351	+
352	+	// Patch minorBase
353	+	WriteMacInt8(sp + spID, 0x0a); // minorBase
354	+	r.d[0] = 0x0006;
355	+	Execute68kTrap(0xa06e, &r); // SFindStruct()
356	+	uint32 minor_base = ReadMacInt32(sp + spPointer) - ROMBaseMac;
357	+	ROMBaseHost[minor_base + 0] = frame_base >> 24;
358	+	ROMBaseHost[minor_base + 1] = frame_base >> 16;
359	+	ROMBaseHost[minor_base + 2] = frame_base >> 8;
360	+	ROMBaseHost[minor_base + 3] = frame_base;
361	+
362	+	// Patch video mode parameter table
363	+	WriteMacInt32(sp + spPointer, rsrc);
364	+	WriteMacInt8(sp + spID, mode);
365	+	r.d[0] = 0x0006;
366	+	Execute68kTrap(0xa06e, &r); // SFindStruct()
367	+	WriteMacInt8(sp + spID, 0x01);
368	+	r.d[0] = 0x0006;
369	+	Execute68kTrap(0xa06e, &r); // SFindStruct()
370	+	uint32 p = ReadMacInt32(sp + spPointer) - ROMBaseMac;
371	+	ROMBaseHost[p + 8] = i->bytes_per_row >> 8;
372	+	ROMBaseHost[p + 9] = i->bytes_per_row;
373	+	ROMBaseHost[p + 14] = i->y >> 8;
374	+	ROMBaseHost[p + 15] = i->y;
375	+	ROMBaseHost[p + 16] = i->x >> 8;
376	+	ROMBaseHost[p + 17] = i->x;
377	+
378	+	// Update sResource
379	+	WriteMacInt8(sp + spID, ReadMacInt8(dce + dCtlSlotId));
380	+	r.d[0] = 0x002b;
381	+	Execute68kTrap(0xa06e, &r); // SUpdateSRT()
382	+
383	+	// Update frame buffer base in DCE
384	+	WriteMacInt32(dce + dCtlDevBase, frame_base);
385	+	}
386	+	D(bug(" base %08x\n", VidLocal.desc->mac_frame_base));
387	+	return noErr;
388	+	}
389	+
390	+	case cscSavePreferredConfiguration: {
391	+	uint16 mode = ReadMacInt16(param + csMode);
392	+	uint32 id = ReadMacInt32(param + csData);
393	+	D(bug(" SavePreferredConfiguration %04x, %08x\n", mode, id));
394	+	VidLocal.preferred_mode = mode;
395	+	VidLocal.preferred_id = id;
396	+	return noErr;
397	+	}
398	+
399		default:
400		printf("WARNING: Unknown VideoDriverControl(%d)\n", code);
401		return controlErr;
#	Line 200 \| Line 414 \| int16 VideoDriverStatus(uint32 pb, uint3
414		D(bug("VideoDriverStatus %d\n", code));
415		switch (code) {
416
417	<	case cscGetPageCnt: // Get number of pages
418	<	D(bug(" GetPageCnt\n"));
417	>	case cscGetMode: // Get current color depth
418	>	D(bug(" GetMode -> %04x, base %08x\n", VidLocal.current_mode, VidLocal.desc->mac_frame_base));
419	>	WriteMacInt16(param + csMode, VidLocal.current_mode);
420	>	WriteMacInt16(param + csPage, 0);
421	>	WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base);
422	>	return noErr;
423	>
424	>	case cscGetEntries: { // Read palette
425	>	D(bug(" GetEntries table %08x, count %d, start %d\n", ReadMacInt32(param + csTable), ReadMacInt16(param + csCount), ReadMacInt16(param + csStart)));
426	>
427	>	uint8 *s_pal; // Source palette
428	>	uint32 d_pal = ReadMacInt32(param + csTable); // Destination palette
429	>	uint16 start = ReadMacInt16(param + csStart);
430	>	uint16 count = ReadMacInt16(param + csCount);
431	>	if (d_pal == 0 \|\| count > 255)
432	>	return paramErr;
433	>
434	>	if (start == 0xffff) { // Indexed
435	>	for (uint32 i=0; i<=count; i++) {
436	>	s_pal = VidLocal.palette + (ReadMacInt16(d_pal) & 0xff) * 3;
437	>	uint8 red = *s_pal++;
438	>	uint8 green = *s_pal++;
439	>	uint8 blue = *s_pal++;
440	>	WriteMacInt16(d_pal + 2, red * 0x0101);
441	>	WriteMacInt16(d_pal + 4, green * 0x0101);
442	>	WriteMacInt16(d_pal + 6, blue * 0x0101);
443	>	d_pal += 8;
444	>	}
445	>	} else { // Sequential
446	>	if (start + count > 255)
447	>	return paramErr;
448	>	s_pal = VidLocal.palette + start * 3;
449	>	for (uint32 i=0; i<=count; i++) {
450	>	uint8 red = *s_pal++;
451	>	uint8 green = *s_pal++;
452	>	uint8 blue = *s_pal++;
453	>	WriteMacInt16(d_pal + 2, red * 0x0101);
454	>	WriteMacInt16(d_pal + 4, green * 0x0101);
455	>	WriteMacInt16(d_pal + 6, blue * 0x0101);
456	>	d_pal += 8;
457	>	}
458	>	}
459	>	return noErr;
460	>	}
461	>
462	>	case cscGetPages: // Get number of pages
463	>	D(bug(" GetPages -> 1\n"));
464		WriteMacInt16(param + csPage, 1);
465		return noErr;
466
467	<	case cscGetPageBase: // Get page base address
468	<	D(bug(" GetPageBase\n"));
467	>	case cscGetBaseAddress: // Get page base address
468	>	D(bug(" GetBaseAddress -> %08x\n", VidLocal.desc->mac_frame_base));
469		WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base);
470	<	return noErr;
470	>	if (ReadMacInt16(param + csPage))
471	>	return paramErr;
472	>	else
473	>	return noErr;
474
475		case cscGetGray: // Get luminance mapping flag
476	<	D(bug(" GetGray\n"));
477	<	WriteMacInt8(param + csMode, VidLocal.luminance_mapping ? 1 : 0);
476	>	D(bug(" GetGray -> %d\n", VidLocal.luminance_mapping));
477	>	WriteMacInt16(param, VidLocal.luminance_mapping ? 0x0100 : 0);
478		return noErr;
479
480		case cscGetInterrupt: // Get interrupt disable flag
481	<	D(bug(" GetInterrupt\n"));
482	<	WriteMacInt8(param + csMode, VidLocal.interrupts_enabled ? 0 : 1);
481	>	D(bug(" GetInterrupt -> %d\n", VidLocal.interrupts_enabled));
482	>	WriteMacInt16(param, VidLocal.interrupts_enabled ? 0 : 0x0100);
483		return noErr;
484
485	<	case cscGetDefaultMode: // Get default video mode
486	<	D(bug(" GetDefaultMode\n"));
487	<	WriteMacInt8(param + csMode, 0x80);
485	>	case cscGetGamma:
486	>	D(bug(" GetGamma -> \n"));
487	>	//!!
488	>	return statusErr;
489	>
490	>	case cscGetDefaultMode: // Get default color depth
491	>	D(bug(" GetDefaultMode -> %04x\n", VidLocal.preferred_mode));
492	>	WriteMacInt16(param + csMode, VidLocal.preferred_mode);
493		return noErr;
494
495	<	case cscGetCurMode: // Get current video mode
496	<	D(bug(" GetCurMode\n"));
497	<	WriteMacInt16(param + csMode, 0x80);
498	<	WriteMacInt32(param + csData, 0x80);
495	>	case cscGetCurrentMode: // Get current video mode (depth and resolution)
496	>	D(bug(" GetCurMode -> %04x/%08x, base %08x\n", VidLocal.current_mode, VidLocal.current_id, VidLocal.desc->mac_frame_base));
497	>	WriteMacInt16(param + csMode, VidLocal.current_mode);
498	>	WriteMacInt32(param + csData, VidLocal.current_id);
499		WriteMacInt16(param + csPage, 0);
500		WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base);
501		return noErr;
502
503		case cscGetConnection: // Get monitor information
504		D(bug(" GetConnection\n"));
505	<	WriteMacInt16(param + csDisplayType, 6); // 21" Multiscan
506	<	WriteMacInt8(param + csConnectTaggedType, 6);
507	<	WriteMacInt8(param + csConnectTaggedData, 0x23);
508	<	WriteMacInt32(param + csConnectFlags, 0x03); // All modes valid and safe
505	>	WriteMacInt16(param + csDisplayType, 8); // Modeless connection
506	>	WriteMacInt8(param + csConnectTaggedType, 0);
507	>	WriteMacInt8(param + csConnectTaggedData, 0);
508	>	WriteMacInt32(param + csConnectFlags, 0x43); // All modes valid and safe, non-standard tagging
509		WriteMacInt32(param + csDisplayComponent, 0);
510		return noErr;
511
512	<	case cscGetModeTiming: // Get video timing for mode
513	<	D(bug(" GetModeTiming mode %08lx\n", ReadMacInt32(param + csTimingMode)));
514	<	WriteMacInt32(param + csTimingFormat, 'decl');
515	<	WriteMacInt32(param + csTimingData, 220); // 21" Multiscan
516	<	WriteMacInt32(param + csTimingFlags, 0x0f); // Mode valid, safe, default and shown in Monitors panel
512	>	case cscGetModeTiming: { // Get video timing for specified resolution
513	>	uint32 id = ReadMacInt32(param + csTimingMode);
514	>	D(bug(" GetModeTiming %08x\n", id));
515	>	if (!has_resolution(id))
516	>	return paramErr;
517	>
518	>	WriteMacInt32(param + csTimingFormat, FOURCC('d', 'e', 'c', 'l'));
519	>	WriteMacInt32(param + csTimingData, 0); // unknown
520	>	uint32 flags = 0xb; // mode valid, safe and shown in Monitors panel
521	>	if (id == VidLocal.preferred_id)
522	>	flags \|= 4; // default mode
523	>	WriteMacInt32(param + csTimingFlags, flags);
524		return noErr;
525	+	}
526
527		case cscGetModeBaseAddress: // Get frame buffer base address
528	<	D(bug(" GetModeBaseAddress\n"));
529	<	WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base); // Base address of video RAM for the current DisplayModeID and relative bit depth
528	>	D(bug(" GetModeBaseAddress -> base %08x\n", VidLocal.desc->mac_frame_base));
529	>	WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base);
530		return noErr;
531
532	<	case cscGetMode: // REQUIRED for MacsBug
533	<	D(bug(" GetMode\n"));
534	<	WriteMacInt16(param + csPageMode, 0x80);
535	<	WriteMacInt32(param + csPageData, 0x80); // Unused
536	<	WriteMacInt16(param + csPagePage, 0); // Current display page
537	<	WriteMacInt32(param + csPageBaseAddr, VidLocal.desc->mac_frame_base);
532	>	case cscGetPreferredConfiguration: // Get default video mode (depth and resolution)
533	>	D(bug(" GetPreferredConfiguration -> %04x/%08x\n", VidLocal.preferred_mode, VidLocal.preferred_id));
534	>	WriteMacInt16(param + csMode, VidLocal.preferred_mode);
535	>	WriteMacInt32(param + csData, VidLocal.preferred_id);
536	>	return noErr;
537	>
538	>	case cscGetNextResolution: { // Called iteratively to obtain a list of all supported resolutions
539	>	uint32 id = ReadMacInt32(param + csPreviousDisplayModeID);
540	>	D(bug(" GetNextResolution %08x\n", id));
541	>
542	>	switch (id) {
543	>	case 0:
544	>	// Return current resolution
545	>	id = VidLocal.current_id;
546	>	break;
547	>
548	>	case 0xfffffffe:
549	>	// Return first supported resolution
550	>	id = 0x80;
551	>	while (!has_resolution(id))
552	>	id++;
553	>	break;
554	>
555	>	default:
556	>	// Get next resolution
557	>	if (!has_resolution(id))
558	>	return paramErr;
559	>	id++;
560	>	while (!has_resolution(id) && id < 0x100)
561	>	id++;
562	>	if (id == 0x100) { // No more resolutions
563	>	WriteMacInt32(param + csRIDisplayModeID, 0xfffffffd);
564	>	return noErr;
565	>	}
566	>	break;
567	>	}
568	>
569	>	WriteMacInt32(param + csRIDisplayModeID, id);
570	>	uint32 x, y;
571	>	get_size_of_resolution(id, x, y);
572	>	WriteMacInt32(param + csHorizontalPixels, x);
573	>	WriteMacInt32(param + csVerticalLines, y);
574	>	WriteMacInt32(param + csRefreshRate, 75 << 16);
575	>	WriteMacInt16(param + csMaxDepthMode, DepthToAppleMode(max_depth_of_resolution(id)));
576		return noErr;
577	+	}
578	+
579	+	case cscGetVideoParameters: { // Get information about specified resolution/depth
580	+	uint32 id = ReadMacInt32(param + csDisplayModeID);
581	+	uint16 mode = ReadMacInt16(param + csDepthMode);
582	+	D(bug(" GetVideoParameters %04x/%08x\n", mode, id));
583	+
584	+	vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
585	+	while (i != end) {
586	+	if (DepthToAppleMode(i->depth) == mode && i->resolution_id == id) {
587	+	uint32 vp = ReadMacInt32(param + csVPBlockPtr);
588	+	WriteMacInt32(vp + vpBaseOffset, 0);
589	+	WriteMacInt16(vp + vpRowBytes, i->bytes_per_row);
590	+	WriteMacInt16(vp + vpBounds, 0);
591	+	WriteMacInt16(vp + vpBounds + 2, 0);
592	+	WriteMacInt16(vp + vpBounds + 4, i->y);
593	+	WriteMacInt16(vp + vpBounds + 6, i->x);
594	+	WriteMacInt16(vp + vpVersion, 0);
595	+	WriteMacInt16(vp + vpPackType, 0);
596	+	WriteMacInt32(vp + vpPackSize, 0);
597	+	WriteMacInt32(vp + vpHRes, 0x00480000); // 72 dpi
598	+	WriteMacInt32(vp + vpVRes, 0x00480000);
599	+	uint32 pix_type, pix_size, cmp_count, cmp_size, dev_type;
600	+	switch (i->depth) {
601	+	case VDEPTH_1BIT:
602	+	pix_type = 0; pix_size = 1;
603	+	cmp_count = 1; cmp_size = 1;
604	+	dev_type = 0; // CLUT
605	+	break;
606	+	case VDEPTH_2BIT:
607	+	pix_type = 0; pix_size = 2;
608	+	cmp_count = 1; cmp_size = 2;
609	+	dev_type = 0; // CLUT
610	+	break;
611	+	case VDEPTH_4BIT:
612	+	pix_type = 0; pix_size = 4;
613	+	cmp_count = 1; cmp_size = 4;
614	+	dev_type = 0; // CLUT
615	+	break;
616	+	case VDEPTH_8BIT:
617	+	pix_type = 0; pix_size = 8;
618	+	cmp_count = 1; cmp_size = 8;
619	+	dev_type = 0; // CLUT
620	+	break;
621	+	case VDEPTH_16BIT:
622	+	pix_type = 0x10; pix_size = 16;
623	+	cmp_count = 3; cmp_size = 5;
624	+	dev_type = 2; // direct
625	+	break;
626	+	case VDEPTH_32BIT:
627	+	pix_type = 0x10; pix_size = 32;
628	+	cmp_count = 3; cmp_size = 8;
629	+	dev_type = 2; // direct
630	+	break;
631	+	}
632	+	WriteMacInt16(vp + vpPixelType, pix_type);
633	+	WriteMacInt16(vp + vpPixelSize, pix_size);
634	+	WriteMacInt16(vp + vpCmpCount, cmp_count);
635	+	WriteMacInt16(vp + vpCmpSize, cmp_size);
636	+	WriteMacInt32(param + csPageCount, 1);
637	+	WriteMacInt32(param + csDeviceType, dev_type);
638	+	return noErr;
639	+	}
640	+	++i;
641	+	}
642	+	return paramErr; // specified resolution/depth not supported
643	+	}
644
645		default:
646		printf("WARNING: Unknown VideoDriverStatus(%d)\n", code);

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Comparing BasiliskII/src/video.cpp (file contents): Revision 1.5 by jlachmann, 2000-08-20T14:08:40Z vs. Revision 1.11 by cebix, 2001-06-28T21:19:59Z

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Comparing BasiliskII/src/video.cpp (file contents):
Revision 1.5 by jlachmann, 2000-08-20T14:08:40Z vs.
Revision 1.11 by cebix, 2001-06-28T21:19:59Z