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

Comparing BasiliskII/src/video.cpp (file contents):
Revision 1.9 by cebix, 2001-06-27T19:03:35Z vs.
Revision 1.19 by cebix, 2001-07-01T21:09:26Z

#	Line 31 \| Line 31
31		#include "cpu_emulation.h"
32		#include "main.h"
33		#include "macos_util.h"
34	+	#include "slot_rom.h"
35		#include "video.h"
36		#include "video_defs.h"
37
#	Line 50 \| Line 51 \| struct {
51		uint8 palette[256 * 3]; // Color palette, 256 entries, RGB
52		bool luminance_mapping; // Luminance mapping on/off
53		bool interrupts_enabled; // VBL interrupts on/off
54	+	uint32 gamma_table; // Mac address of gamma table
55	+	int alloc_gamma_table_size; // Allocated size of gamma table
56		uint16 current_mode; // Currently selected depth/resolution
57		uint32 current_id;
58		uint16 preferred_mode; // Preferred depth/resolution
59		uint32 preferred_id;
60	+	uint32 slot_param; // Mac address of Slot Manager parameter block
61		} VidLocal;
62
63
#	Line 63 \| Line 67 \| struct {
67
68		static bool has_resolution(uint32 id)
69		{
70	<	vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
71	<	while (i != end) {
70	>	vector<video_mode>::const_iterator i, end = VideoModes.end();
71	>	for (i = VideoModes.begin(); i != end; ++i) {
72		if (i->resolution_id == id)
73		return true;
70	–	++i;
74		}
75		return false;
76		}
77
78
79		/*
80	+	* Find specified mode (depth/resolution) (or VideoModes.end() if not found)
81	+	*/
82	+
83	+	static vector<video_mode>::const_iterator find_mode(uint16 mode, uint32 id)
84	+	{
85	+	vector<video_mode>::const_iterator i, end = VideoModes.end();
86	+	for (i = VideoModes.begin(); i != end; ++i) {
87	+	if (i->resolution_id == id && DepthToAppleMode(i->depth) == mode)
88	+	return 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) {
101	>	vector<video_mode>::const_iterator i, end = VideoModes.end();
102	>	for (i = VideoModes.begin(); i != end; ++i) {
103		if (i->depth > m)
104		m = i->depth;
87	–	++i;
105		}
106		return m;
107		}
#	Line 96 \| Line 113 \| static video_depth max_depth_of_resoluti
113
114		static void get_size_of_resolution(uint32 id, uint32 &x, uint32 &y)
115		{
116	<	vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
117	<	while (i != end) {
116	>	vector<video_mode>::const_iterator i, end = VideoModes.end();
117	>	for (i = VideoModes.begin(); i != end; ++i) {
118		if (i->resolution_id == id) {
119		x = i->x;
120		y = i->y;
121		return;
122		}
106	–	++i;
123		}
124		}
125
126
127		/*
128	+	* Find palette size for given color depth
129	+	*/
130	+
131	+	static int palette_size(video_depth depth)
132	+	{
133	+	switch (depth) {
134	+	case VDEPTH_1BIT: return 2;
135	+	case VDEPTH_2BIT: return 4;
136	+	case VDEPTH_4BIT: return 16;
137	+	case VDEPTH_8BIT: return 256;
138	+	case VDEPTH_16BIT: return 32;
139	+	case VDEPTH_32BIT: return 256;
140	+	default: return 0;
141	+	}
142	+	}
143	+
144	+
145	+	/*
146	+	* Set palette to 50% gray
147	+	*/
148	+
149	+	static void set_gray_palette(void)
150	+	{
151	+	for (int i=0; i<256; i++) {
152	+	VidLocal.palette[i * 3 + 0] = 127;
153	+	VidLocal.palette[i * 3 + 1] = 127;
154	+	VidLocal.palette[i * 3 + 2] = 127;
155	+	}
156	+	video_set_palette(VidLocal.palette, 256);
157	+	}
158	+
159	+
160	+	/*
161	+	* Load gamma-corrected black-to-white ramp to palette for direct-color mode
162	+	*/
163	+
164	+	static void load_ramp_palette(void)
165	+	{
166	+	// Find tables for gamma correction
167	+	uint8 red_gamma, green_gamma, *blue_gamma;
168	+	bool have_gamma = false;
169	+	int data_width = 0;
170	+	if (VidLocal.gamma_table) {
171	+	uint32 table = VidLocal.gamma_table;
172	+	red_gamma = Mac2HostAddr(table + gFormulaData + ReadMacInt16(table + gFormulaSize));
173	+	int chan_cnt = ReadMacInt16(table + gChanCnt);
174	+	if (chan_cnt == 1)
175	+	green_gamma = blue_gamma = red_gamma;
176	+	else {
177	+	int ofs = ReadMacInt16(table + gDataCnt);
178	+	green_gamma = red_gamma + ofs;
179	+	blue_gamma = green_gamma + ofs;
180	+	}
181	+	data_width = ReadMacInt16(table + gDataWidth);
182	+	have_gamma = true;
183	+	}
184	+
185	+	int num = (VidLocal.desc->mode.depth == VDEPTH_16BIT ? 32 : 256);
186	+	uint8 *p = VidLocal.palette;
187	+	for (int i=0; i<num; i++) {
188	+	uint8 red = (i * 256 / num), green = red, blue = red;
189	+	if (have_gamma) {
190	+	red = red_gamma[red >> (8 - data_width)];
191	+	green = green_gamma[green >> (8 - data_width)];
192	+	blue = blue_gamma[blue >> (8 - data_width)];
193	+	}
194	+	*p++ = red;
195	+	*p++ = green;
196	+	*p++ = blue;
197	+	}
198	+
199	+	video_set_palette(VidLocal.palette, num);
200	+	}
201	+
202	+
203	+	/*
204	+	* Allocate gamma table of specified size
205	+	*/
206	+
207	+	static bool allocate_gamma_table(int size)
208	+	{
209	+	M68kRegisters r;
210	+
211	+	if (size > VidLocal.alloc_gamma_table_size) {
212	+	if (VidLocal.gamma_table) {
213	+	r.a[0] = VidLocal.gamma_table;
214	+	Execute68kTrap(0xa01f, &r); // DisposePtr()
215	+	VidLocal.gamma_table = 0;
216	+	VidLocal.alloc_gamma_table_size = 0;
217	+	}
218	+	r.d[0] = size;
219	+	Execute68kTrap(0xa71e, &r); // NewPtrSysClear()
220	+	if (r.a[0] == 0)
221	+	return false;
222	+	VidLocal.gamma_table = r.a[0];
223	+	VidLocal.alloc_gamma_table_size = size;
224	+	}
225	+	return true;
226	+	}
227	+
228	+
229	+	/*
230	+	* Set gamma table (0 = build linear ramp)
231	+	*/
232	+
233	+	static bool set_gamma_table(uint32 user_table)
234	+	{
235	+	if (user_table == 0) { // Build linear ramp, 256 entries
236	+
237	+	// Allocate new table, if necessary
238	+	if (!allocate_gamma_table(SIZEOF_GammaTbl + 256))
239	+	return memFullErr;
240	+	uint32 table = VidLocal.gamma_table;
241	+
242	+	// Initialize header
243	+	WriteMacInt16(table + gVersion, 0);
244	+	WriteMacInt16(table + gType, 0);
245	+	WriteMacInt16(table + gFormulaSize, 0);
246	+	WriteMacInt16(table + gChanCnt, 1);
247	+	WriteMacInt16(table + gDataCnt, 256);
248	+	WriteMacInt16(table + gDataWidth, 8);
249	+
250	+	// Build ramp
251	+	uint32 p = table + gFormulaData;
252	+	for (int i=0; i<256; i++)
253	+	WriteMacInt8(p + i, i);
254	+
255	+	} else { // User-supplied gamma table
256	+
257	+	// Validate header
258	+	if (ReadMacInt16(user_table + gVersion))
259	+	return paramErr;
260	+	if (ReadMacInt16(user_table + gType))
261	+	return paramErr;
262	+	int chan_cnt = ReadMacInt16(user_table + gChanCnt);
263	+	if (chan_cnt != 1 && chan_cnt != 3)
264	+	return paramErr;
265	+	int data_width = ReadMacInt16(user_table + gDataWidth);
266	+	if (data_width > 8)
267	+	return paramErr;
268	+	int data_cnt = ReadMacInt16(user_table + gDataCnt);
269	+	if (data_cnt != (1 << data_width))
270	+	return paramErr;
271	+
272	+	// Allocate new table, if necessary
273	+	int size = SIZEOF_GammaTbl + ReadMacInt16(user_table + gFormulaSize) + chan_cnt * data_cnt;
274	+	if (!allocate_gamma_table(size))
275	+	return memFullErr;
276	+	uint32 table = VidLocal.gamma_table;
277	+
278	+	// Copy table
279	+	Mac2Mac_memcpy(table, user_table, size);
280	+	}
281	+
282	+	if (IsDirectMode(VidLocal.current_mode))
283	+	load_ramp_palette();
284	+
285	+	return true;
286	+	}
287	+
288	+
289	+	/*
290	+	* Switch video mode
291	+	*/
292	+
293	+	static void switch_mode(const video_mode &mode, uint32 param, uint32 dce)
294	+	{
295	+	// Switch mode
296	+	set_gray_palette();
297	+	video_switch_to_mode(mode);
298	+
299	+	// Update VidLocal
300	+	VidLocal.current_mode = DepthToAppleMode(mode.depth);
301	+	VidLocal.current_id = mode.resolution_id;
302	+
303	+	uint32 frame_base = VidLocal.desc->mac_frame_base;
304	+
305	+	M68kRegisters r;
306	+	uint32 sp = VidLocal.slot_param;
307	+	r.a[0] = sp;
308	+
309	+	// Find functional sResource for this display
310	+	WriteMacInt8(sp + spSlot, ReadMacInt8(dce + dCtlSlot));
311	+	WriteMacInt8(sp + spID, ReadMacInt8(dce + dCtlSlotId));
312	+	WriteMacInt8(sp + spExtDev, 0);
313	+	r.d[0] = 0x0016;
314	+	Execute68kTrap(0xa06e, &r); // SRsrcInfo()
315	+	uint32 rsrc = ReadMacInt32(sp + spPointer);
316	+
317	+	// Patch minorBase (otherwise rebooting won't work)
318	+	WriteMacInt8(sp + spID, 0x0a); // minorBase
319	+	r.d[0] = 0x0006;
320	+	Execute68kTrap(0xa06e, &r); // SFindStruct()
321	+	uint32 minor_base = ReadMacInt32(sp + spPointer) - ROMBaseMac;
322	+	ROMBaseHost[minor_base + 0] = frame_base >> 24;
323	+	ROMBaseHost[minor_base + 1] = frame_base >> 16;
324	+	ROMBaseHost[minor_base + 2] = frame_base >> 8;
325	+	ROMBaseHost[minor_base + 3] = frame_base;
326	+
327	+	// Patch video mode parameter table
328	+	WriteMacInt32(sp + spPointer, rsrc);
329	+	WriteMacInt8(sp + spID, DepthToAppleMode(mode.depth));
330	+	r.d[0] = 0x0006;
331	+	Execute68kTrap(0xa06e, &r); // SFindStruct()
332	+	WriteMacInt8(sp + spID, 0x01);
333	+	r.d[0] = 0x0006;
334	+	Execute68kTrap(0xa06e, &r); // SFindStruct()
335	+	uint32 p = ReadMacInt32(sp + spPointer) - ROMBaseMac;
336	+	ROMBaseHost[p + 8] = mode.bytes_per_row >> 8;
337	+	ROMBaseHost[p + 9] = mode.bytes_per_row;
338	+	ROMBaseHost[p + 14] = mode.y >> 8;
339	+	ROMBaseHost[p + 15] = mode.y;
340	+	ROMBaseHost[p + 16] = mode.x >> 8;
341	+	ROMBaseHost[p + 17] = mode.x;
342	+
343	+	// Recalculate slot ROM checksum
344	+	ChecksumSlotROM();
345	+
346	+	// Update sResource
347	+	WriteMacInt8(sp + spID, ReadMacInt8(dce + dCtlSlotId));
348	+	r.d[0] = 0x002b;
349	+	Execute68kTrap(0xa06e, &r); // SUpdateSRT()
350	+
351	+	// Update frame buffer base in DCE and param block
352	+	WriteMacInt32(dce + dCtlDevBase, frame_base);
353	+	WriteMacInt32(param + csBaseAddr, frame_base);
354	+	}
355	+
356	+
357	+	/*
358		* Driver Open() routine
359		*/
360
#	Line 129 \| Line 375 \| int16 VideoDriverOpen(uint32 pb, uint32
375		VidLocal.preferred_mode = VidLocal.current_mode;
376		VidLocal.preferred_id = VidLocal.current_id;
377
378	+	// Allocate Slot Manager parameter block in Mac RAM
379	+	M68kRegisters r;
380	+	r.d[0] = SIZEOF_SPBlock;
381	+	Execute68kTrap(0xa71e, &r); // NewPtrSysClear()
382	+	if (r.a[0] == 0)
383	+	return memFullErr;
384	+	VidLocal.slot_param = r.a[0];
385	+	D(bug("SPBlock at %08x\n", VidLocal.slot_param));
386	+
387	+	// Find and set default gamma table
388	+	VidLocal.gamma_table = 0;
389	+	VidLocal.alloc_gamma_table_size = 0;
390	+	set_gamma_table(0);
391	+
392		// Init color palette (solid gray)
393	<	if (!IsDirectMode(VidLocal.desc->mode)) {
134	<	for (int i=0; i<256; i++) {
135	<	VidLocal.palette[i * 3 + 0] = 127;
136	<	VidLocal.palette[i * 3 + 1] = 127;
137	<	VidLocal.palette[i * 3 + 2] = 127;
138	<	}
139	<	video_set_palette(VidLocal.palette);
140	<	}
393	>	set_gray_palette();
394		return noErr;
395		}
396
#	Line 156 \| Line 409 \| int16 VideoDriverControl(uint32 pb, uint
409		case cscSetMode: { // Set color depth
410		uint16 mode = ReadMacInt16(param + csMode);
411		D(bug(" SetMode %04x\n", mode));
412	<	//!! switch mode
412	>
413	>	// Set old base address in case the switch fails
414		WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base);
415	<	//!! VidLocal.current_mode = mode;
416	<	if (mode != VidLocal.current_mode)
415	>
416	>	if (ReadMacInt16(param + csPage))
417		return paramErr;
418	<	else
419	<	return noErr;
418	>
419	>	if (mode != VidLocal.current_mode) {
420	>	vector<video_mode>::const_iterator i = find_mode(mode, VidLocal.current_id);
421	>	if (i == VideoModes.end())
422	>	return paramErr;
423	>	switch_mode(*i, param, dce);
424	>	}
425	>	D(bug(" base %08x\n", VidLocal.desc->mac_frame_base));
426	>	return noErr;
427		}
428
429	<	case cscSetEntries: { // Set palette
430	<	D(bug(" SetEntries table %08lx, count %d, start %d\n", ReadMacInt32(param + csTable), ReadMacInt16(param + csCount), ReadMacInt16(param + csStart)));
431	<	if (IsDirectMode(VidLocal.desc->mode))
429	>	case cscSetEntries: // Set palette
430	>	case cscDirectSetEntries: {
431	>	D(bug(" (Direct)SetEntries table %08x, count %d, start %d\n", ReadMacInt32(param + csTable), ReadMacInt16(param + csCount), ReadMacInt16(param + csStart)));
432	>	bool is_direct = IsDirectMode(VidLocal.current_mode);
433	>	if (code == cscSetEntries && is_direct)
434	>	return controlErr;
435	>	if (code == cscDirectSetEntries && !is_direct)
436		return controlErr;
437
438		uint32 s_pal = ReadMacInt32(param + csTable); // Source palette
439		uint8 *d_pal; // Destination palette
440	+	uint16 start = ReadMacInt16(param + csStart);
441		uint16 count = ReadMacInt16(param + csCount);
442	<	if (!s_pal \|\| count > 255)
442	>	if (s_pal == 0 \|\| count > 255)
443		return paramErr;
444
445	<	if (ReadMacInt16(param + csStart) == 0xffff) { // Indexed
445	>	// Find tables for gamma correction
446	>	uint8 red_gamma, green_gamma, *blue_gamma;
447	>	bool have_gamma = false;
448	>	int data_width = 0;
449	>	if (VidLocal.gamma_table) {
450	>	uint32 table = VidLocal.gamma_table;
451	>	red_gamma = Mac2HostAddr(table + gFormulaData + ReadMacInt16(table + gFormulaSize));
452	>	int chan_cnt = ReadMacInt16(table + gChanCnt);
453	>	if (chan_cnt == 1)
454	>	green_gamma = blue_gamma = red_gamma;
455	>	else {
456	>	int ofs = ReadMacInt16(table + gDataCnt);
457	>	green_gamma = red_gamma + ofs;
458	>	blue_gamma = green_gamma + ofs;
459	>	}
460	>	data_width = ReadMacInt16(table + gDataWidth);
461	>	have_gamma = true;
462	>	}
463	>
464	>	// Convert palette
465	>	if (start == 0xffff) { // Indexed
466		for (uint32 i=0; i<=count; i++) {
467	<	d_pal = VidLocal.palette + ReadMacInt16(s_pal) * 3;
467	>	d_pal = VidLocal.palette + (ReadMacInt16(s_pal) & 0xff) * 3;
468		uint8 red = (uint16)ReadMacInt16(s_pal + 2) >> 8;
469		uint8 green = (uint16)ReadMacInt16(s_pal + 4) >> 8;
470		uint8 blue = (uint16)ReadMacInt16(s_pal + 6) >> 8;
471	<	if (VidLocal.luminance_mapping)
471	>	if (VidLocal.luminance_mapping && !is_direct)
472		red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16;
473	+	if (have_gamma) {
474	+	red = red_gamma[red >> (8 - data_width)];
475	+	green = green_gamma[green >> (8 - data_width)];
476	+	blue = blue_gamma[blue >> (8 - data_width)];
477	+	}
478		*d_pal++ = red;
479		*d_pal++ = green;
480		*d_pal++ = blue;
481		s_pal += 8;
482		}
483	<	} else { // Sequential
484	<	d_pal = VidLocal.palette + ReadMacInt16(param + csStart) * 3;
483	>	} else { // Sequential
484	>	if (start + count > 255)
485	>	return paramErr;
486	>	d_pal = VidLocal.palette + start * 3;
487		for (uint32 i=0; i<=count; i++) {
488		uint8 red = (uint16)ReadMacInt16(s_pal + 2) >> 8;
489		uint8 green = (uint16)ReadMacInt16(s_pal + 4) >> 8;
490		uint8 blue = (uint16)ReadMacInt16(s_pal + 6) >> 8;
491	<	if (VidLocal.luminance_mapping)
491	>	if (VidLocal.luminance_mapping && !is_direct)
492		red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16;
493	+	if (have_gamma) {
494	+	red = red_gamma[red >> (8 - data_width)];
495	+	green = green_gamma[green >> (8 - data_width)];
496	+	blue = blue_gamma[blue >> (8 - data_width)];
497	+	}
498		*d_pal++ = red;
499		*d_pal++ = green;
500		*d_pal++ = blue;
501		s_pal += 8;
502		}
503		}
504	<	video_set_palette(VidLocal.palette);
504	>	video_set_palette(VidLocal.palette, palette_size(VidLocal.desc->mode.depth));
505		return noErr;
506		}
507
508	<	case cscSetGamma: // Set gamma table
509	<	D(bug(" SetGamma\n"));
510	<	//!!
511	<	return noErr;
508	>	case cscSetGamma: { // Set gamma table
509	>	uint32 user_table = ReadMacInt32(param + csGTable);
510	>	D(bug(" SetGamma %08x\n", user_table));
511	>	return set_gamma_table(user_table) ? noErr : memFullErr;
512	>	}
513
514		case cscGrayPage: { // Fill page with dithered gray pattern
515		D(bug(" GrayPage %d\n", ReadMacInt16(param + csPage)));
#	Line 227 \| Line 526 \| int16 VideoDriverControl(uint32 pb, uint
526		};
527		uint32 p = VidLocal.desc->mac_frame_base;
528		uint32 pat = pattern[VidLocal.desc->mode.depth];
529	+	bool invert = (VidLocal.desc->mode.depth == VDEPTH_32BIT);
530		for (uint32 y=0; y<VidLocal.desc->mode.y; y++) {
531		for (uint32 x=0; x<VidLocal.desc->mode.bytes_per_row; x+=4) {
532		WriteMacInt32(p + x, pat);
533	<	if (VidLocal.desc->mode.depth == VDEPTH_32BIT)
533	>	if (invert)
534		pat = ~pat;
535		}
536		p += VidLocal.desc->mode.bytes_per_row;
537		pat = ~pat;
538		}
539	+
540	+	if (IsDirectMode(VidLocal.current_mode))
541	+	load_ramp_palette();
542	+
543		return noErr;
544		}
545
#	Line 249 \| Line 553 \| int16 VideoDriverControl(uint32 pb, uint
553		VidLocal.interrupts_enabled = (ReadMacInt8(param + csMode) == 0);
554		return noErr;
555
252	–	// case cscDirectSetEntries:
253	–
556		case cscSetDefaultMode: { // Set default color depth
557		uint16 mode = ReadMacInt16(param + csMode);
558		D(bug(" SetDefaultMode %04x\n", mode));
#	Line 262 \| Line 564 \| int16 VideoDriverControl(uint32 pb, uint
564		uint16 mode = ReadMacInt16(param + csMode);
565		uint32 id = ReadMacInt32(param + csData);
566		D(bug(" SwitchMode %04x, %08x\n", mode, id));
567	<	//!! switch mode
567	>
568	>	// Set old base address in case the switch fails
569		WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base);
570	<	//!! VidLocal.current_mode = mode;
571	<	//!! VidLocal.current_id = id;
269	<	if (mode != VidLocal.current_mode \|\| id != VidLocal.current_id)
570	>
571	>	if (ReadMacInt16(param + csPage))
572		return paramErr;
573	<	else
574	<	return noErr;
573	>
574	>	if (mode != VidLocal.current_mode \|\| id != VidLocal.current_id) {
575	>	vector<video_mode>::const_iterator i = find_mode(mode, id);
576	>	if (i == VideoModes.end())
577	>	return paramErr;
578	>	switch_mode(*i, param, dce);
579	>	}
580	>	D(bug(" base %08x\n", VidLocal.desc->mac_frame_base));
581	>	return noErr;
582		}
583
584		case cscSavePreferredConfiguration: {
#	Line 306 \| Line 615 \| int16 VideoDriverStatus(uint32 pb, uint3
615		WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base);
616		return noErr;
617
618	<	// case cscGetEntries:
618	>	case cscGetEntries: { // Read palette
619	>	D(bug(" GetEntries table %08x, count %d, start %d\n", ReadMacInt32(param + csTable), ReadMacInt16(param + csCount), ReadMacInt16(param + csStart)));
620	>
621	>	uint8 *s_pal; // Source palette
622	>	uint32 d_pal = ReadMacInt32(param + csTable); // Destination palette
623	>	uint16 start = ReadMacInt16(param + csStart);
624	>	uint16 count = ReadMacInt16(param + csCount);
625	>	if (d_pal == 0 \|\| count > 255)
626	>	return paramErr;
627	>
628	>	if (start == 0xffff) { // Indexed
629	>	for (uint32 i=0; i<=count; i++) {
630	>	s_pal = VidLocal.palette + (ReadMacInt16(d_pal) & 0xff) * 3;
631	>	uint8 red = *s_pal++;
632	>	uint8 green = *s_pal++;
633	>	uint8 blue = *s_pal++;
634	>	WriteMacInt16(d_pal + 2, red * 0x0101);
635	>	WriteMacInt16(d_pal + 4, green * 0x0101);
636	>	WriteMacInt16(d_pal + 6, blue * 0x0101);
637	>	d_pal += 8;
638	>	}
639	>	} else { // Sequential
640	>	if (start + count > 255)
641	>	return paramErr;
642	>	s_pal = VidLocal.palette + start * 3;
643	>	for (uint32 i=0; i<=count; i++) {
644	>	uint8 red = *s_pal++;
645	>	uint8 green = *s_pal++;
646	>	uint8 blue = *s_pal++;
647	>	WriteMacInt16(d_pal + 2, red * 0x0101);
648	>	WriteMacInt16(d_pal + 4, green * 0x0101);
649	>	WriteMacInt16(d_pal + 6, blue * 0x0101);
650	>	d_pal += 8;
651	>	}
652	>	}
653	>	return noErr;
654	>	}
655
656	<	case cscGetPageCnt: // Get number of pages
657	<	D(bug(" GetPageCnt -> 1\n"));
656	>	case cscGetPages: // Get number of pages
657	>	D(bug(" GetPages -> 1\n"));
658		WriteMacInt16(param + csPage, 1);
659		return noErr;
660
661	<	case cscGetPageBase: // Get page base address
662	<	D(bug(" GetPageBase -> %08x\n", VidLocal.desc->mac_frame_base));
661	>	case cscGetBaseAddress: // Get page base address
662	>	D(bug(" GetBaseAddress -> %08x\n", VidLocal.desc->mac_frame_base));
663		WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base);
664	<	return noErr;
664	>	if (ReadMacInt16(param + csPage))
665	>	return paramErr;
666	>	else
667	>	return noErr;
668
669		case cscGetGray: // Get luminance mapping flag
670		D(bug(" GetGray -> %d\n", VidLocal.luminance_mapping));
671	<	WriteMacInt8(param, VidLocal.luminance_mapping ? 1 : 0);
671	>	WriteMacInt16(param, VidLocal.luminance_mapping ? 0x0100 : 0);
672		return noErr;
673
674		case cscGetInterrupt: // Get interrupt disable flag
675		D(bug(" GetInterrupt -> %d\n", VidLocal.interrupts_enabled));
676	<	WriteMacInt8(param, VidLocal.interrupts_enabled ? 0 : 1);
676	>	WriteMacInt16(param, VidLocal.interrupts_enabled ? 0 : 0x0100);
677		return noErr;
678
679	<	// case cscGetGamma:
679	>	case cscGetGamma:
680	>	D(bug(" GetGamma -> %08x\n", VidLocal.gamma_table));
681	>	WriteMacInt32(param + csGTable, VidLocal.gamma_table);
682	>	return noErr;
683
684		case cscGetDefaultMode: // Get default color depth
685		D(bug(" GetDefaultMode -> %04x\n", VidLocal.preferred_mode));
686		WriteMacInt16(param + csMode, VidLocal.preferred_mode);
687		return noErr;
688
689	<	case cscGetCurMode: // Get current video mode (depth and resolution)
690	<	D(bug(" GetCurMode -> %04x/%08x\n", VidLocal.current_mode, VidLocal.current_id));
689	>	case cscGetCurrentMode: // Get current video mode (depth and resolution)
690	>	D(bug(" GetCurMode -> %04x/%08x, base %08x\n", VidLocal.current_mode, VidLocal.current_id, VidLocal.desc->mac_frame_base));
691		WriteMacInt16(param + csMode, VidLocal.current_mode);
692		WriteMacInt32(param + csData, VidLocal.current_id);
693		WriteMacInt16(param + csPage, 0);
#	Line 345 \| Line 696 \| int16 VideoDriverStatus(uint32 pb, uint3
696
697		case cscGetConnection: // Get monitor information
698		D(bug(" GetConnection\n"));
699	<	WriteMacInt16(param + csDisplayType, 6); // 21" Multiscan
700	<	WriteMacInt8(param + csConnectTaggedType, 6);
701	<	WriteMacInt8(param + csConnectTaggedData, 0x23);
702	<	WriteMacInt32(param + csConnectFlags, 0x03); // All modes valid and safe
699	>	WriteMacInt16(param + csDisplayType, 8); // Modeless connection
700	>	WriteMacInt8(param + csConnectTaggedType, 0);
701	>	WriteMacInt8(param + csConnectTaggedData, 0);
702	>	WriteMacInt32(param + csConnectFlags, 0x43); // All modes valid and safe, non-standard tagging
703		WriteMacInt32(param + csDisplayComponent, 0);
704		return noErr;
705
706	+	case cscGetModeTiming: { // Get video timing for specified resolution
707	+	uint32 id = ReadMacInt32(param + csTimingMode);
708	+	D(bug(" GetModeTiming %08x\n", id));
709	+	if (!has_resolution(id))
710	+	return paramErr;
711	+
712	+	WriteMacInt32(param + csTimingFormat, FOURCC('d', 'e', 'c', 'l'));
713	+	WriteMacInt32(param + csTimingData, 0); // unknown
714	+	uint32 flags = 0xb; // mode valid, safe and shown in Monitors panel
715	+	if (id == VidLocal.preferred_id)
716	+	flags \|= 4; // default mode
717	+	WriteMacInt32(param + csTimingFlags, flags);
718	+	return noErr;
719	+	}
720	+
721		case cscGetModeBaseAddress: // Get frame buffer base address
722	<	D(bug(" GetModeBaseAddress -> %08x\n", VidLocal.desc->mac_frame_base));
723	<	WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base); // Base address of video RAM for the current DisplayModeID and relative bit depth
722	>	D(bug(" GetModeBaseAddress -> base %08x\n", VidLocal.desc->mac_frame_base));
723	>	WriteMacInt32(param + csBaseAddr, VidLocal.desc->mac_frame_base);
724		return noErr;
725
726		case cscGetPreferredConfiguration: // Get default video mode (depth and resolution)
#	Line 401 \| Line 767 \| int16 VideoDriverStatus(uint32 pb, uint3
767		WriteMacInt32(param + csVerticalLines, y);
768		WriteMacInt32(param + csRefreshRate, 75 << 16);
769		WriteMacInt16(param + csMaxDepthMode, DepthToAppleMode(max_depth_of_resolution(id)));
404	–	uint32 flags = 0xb; // mode valid, safe and shown in Monitors panel
405	–	if (id == VidLocal.preferred_id)
406	–	flags \|= 4; // default mode
407	–	WriteMacInt32(param + csResolutionFlags, flags);
770		return noErr;
771		}
772
#	Line 413 \| Line 775 \| int16 VideoDriverStatus(uint32 pb, uint3
775		uint16 mode = ReadMacInt16(param + csDepthMode);
776		D(bug(" GetVideoParameters %04x/%08x\n", mode, id));
777
778	<	vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end();
779	<	while (i != end) {
778	>	vector<video_mode>::const_iterator i, end = VideoModes.end();
779	>	for (i = VideoModes.begin(); i != end; ++i) {
780		if (DepthToAppleMode(i->depth) == mode && i->resolution_id == id) {
781		uint32 vp = ReadMacInt32(param + csVPBlockPtr);
782		WriteMacInt32(vp + vpBaseOffset, 0);
#	Line 426 \| Line 788 \| int16 VideoDriverStatus(uint32 pb, uint3
788		WriteMacInt16(vp + vpVersion, 0);
789		WriteMacInt16(vp + vpPackType, 0);
790		WriteMacInt32(vp + vpPackSize, 0);
791	<	WriteMacInt32(vp + vpHRes, 0x00480000);
791	>	WriteMacInt32(vp + vpHRes, 0x00480000); // 72 dpi
792		WriteMacInt32(vp + vpVRes, 0x00480000);
793		uint32 pix_type, pix_size, cmp_count, cmp_size, dev_type;
794		switch (i->depth) {
#	Line 469 \| Line 831 \| int16 VideoDriverStatus(uint32 pb, uint3
831		WriteMacInt32(param + csDeviceType, dev_type);
832		return noErr;
833		}
472	–	++i;
834		}
835		return paramErr; // specified resolution/depth not supported
836		}
837
477	–	case cscGetModeTiming: { // Get video timing for specified resolution
478	–	uint32 id = ReadMacInt32(param + csTimingMode);
479	–	D(bug(" GetModeTiming %08x\n", id));
480	–	if (!has_resolution(id))
481	–	return paramErr;
482	–
483	–	WriteMacInt32(param + csTimingFormat, FOURCC('d', 'e', 'c', 'l'));
484	–	WriteMacInt32(param + csTimingData, 0); // unknown
485	–	uint32 flags = 0xb; // mode valid, safe and shown in Monitors panel
486	–	if (id == VidLocal.preferred_id)
487	–	flags \|= 4; // default mode
488	–	WriteMacInt32(param + csTimingFlags, flags);
489	–	return noErr;
490	–	}
491	–
838		default:
839		printf("WARNING: Unknown VideoDriverStatus(%d)\n", code);
840		return statusErr;

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing BasiliskII/src/video.cpp (file contents): Revision 1.9 by cebix, 2001-06-27T19:03:35Z vs. Revision 1.19 by cebix, 2001-07-01T21:09:26Z

Diff Legend

Comparing BasiliskII/src/video.cpp (file contents):
Revision 1.9 by cebix, 2001-06-27T19:03:35Z vs.
Revision 1.19 by cebix, 2001-07-01T21:09:26Z