ViewVC Help

View File | Revision Log | Show Annotations | Revision Graph | Root Listing

root/cebix/SheepShaver/src/video.cpp

Comparing SheepShaver/src/video.cpp (file contents):
Revision 1.1.1.1 by cebix, 2002-02-04T16:58:13Z vs.
Revision 1.11 by gbeauche, 2004-12-19T15:14:22Z

#	Line 1 | Line 1
1		/*
2		*  video.cpp - Video/graphics emulation
3		*
4	<	*  SheepShaver (C) 1997-2002 Marc Hellwig and Christian Bauer
4	>	*  SheepShaver (C) 1997-2004 Marc Hellwig and 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 35 | Line 35
35		#include "macos_util.h"
36		#include "user_strings.h"
37		#include "version.h"
38	+	#include "thunks.h"
39
40		#define DEBUG 0
41		#include "debug.h"
#	Line 73 | Line 74 | static long save_conf_mode = APPLE_8_BIT
74		// Function pointers of imported functions
75		typedef int16 (*iocic_ptr)(void *, int16);
76		static uint32 iocic_tvect = 0;
77	<	static inline int16 IOCommandIsComplete(void *arg1, int16 arg2)
77	>	static inline int16 IOCommandIsComplete(uintptr arg1, int16 arg2)
78		{
79	<	return (int16)CallMacOS2(iocic_ptr, iocic_tvect, arg1, arg2);
79	>	return (int16)CallMacOS2(iocic_ptr, iocic_tvect, (void *)arg1, arg2);
80		}
81		typedef int16 (*vslnewis_ptr)(void *, uint32, uint32 *);
82		static uint32 vslnewis_tvect = 0;
83	<	static inline int16 VSLNewInterruptService(void *arg1, uint32 arg2, uint32 *arg3)
83	>	static inline int16 VSLNewInterruptService(uintptr arg1, uint32 arg2, uintptr arg3)
84		{
85	<	return (int16)CallMacOS3(vslnewis_ptr, vslnewis_tvect, arg1, arg2, arg3);
85	>	return (int16)CallMacOS3(vslnewis_ptr, vslnewis_tvect, (void *)arg1, arg2, (uint32 *)arg3);
86		}
87		typedef int16 (*vsldisposeis_ptr)(uint32);
88		static uint32 vsldisposeis_tvect = 0;
#	Line 97 | Line 98 | int16 VSLDoInterruptService(uint32 arg1)
98		}
99		typedef void (*nqdmisc_ptr)(uint32, void *);
100		static uint32 nqdmisc_tvect = 0;
101	<	void NQDMisc(uint32 arg1, void *arg2)
101	>	void NQDMisc(uint32 arg1, uintptr arg2)
102		{
103	<	CallMacOS2(nqdmisc_ptr, nqdmisc_tvect, arg1, arg2);
103	>	CallMacOS2(nqdmisc_ptr, nqdmisc_tvect, arg1, (void *)arg2);
104		}
105
106
#	Line 155 | Line 156 | static int16 VideoOpen(uint32 pb, VidLoc
156		csSave->saveMode = VModes[cur_mode].viAppleMode;
157		csSave->savePage = 0;
158		csSave->saveVidParms = 0;                       // Add the right table
158	–	csSave->gammaTable = NULL;                      // No gamma table yet
159	–	csSave->maxGammaTableSize = 0;
159		csSave->luminanceMapping = false;
160		csSave->cursorX = 0;
161		csSave->cursorY = 0;
162		csSave->cursorVisible = 0;
163		csSave->cursorSet = 0;
164
165	<	// Activate default gamma table
165	>	// Find and set default gamma table
166	>	csSave->gammaTable = 0;
167	>	csSave->maxGammaTableSize = 0;
168		set_gamma(csSave, 0);
169
170		// Install and activate interrupt service
171	<	csSave->vslServiceID = 0;
172	<	VSLNewInterruptService(csSave->regEntryID, FOURCC('v','b','l',' '), &(csSave->vslServiceID));
171	>	SheepVar32 theServiceID = 0;
172	>	VSLNewInterruptService(Host2MacAddr((uint8 *)csSave->regEntryID), FOURCC('v','b','l',' '), theServiceID.addr());
173	>	csSave->vslServiceID = theServiceID.value();
174		D(bug(" Interrupt ServiceID %08lx\n", csSave->vslServiceID));
175		csSave->interruptsEnabled = true;
176
#	Line 180 | Line 182 | static int16 VideoOpen(uint32 pb, VidLoc
182		*  Video driver control routine
183		*/
184
185	+	static bool allocate_gamma_table(VidLocals *csSave, uint32 size)
186	+	{
187	+	if (size > csSave->maxGammaTableSize) {
188	+	if (csSave->gammaTable) {
189	+	Mac_sysfree(csSave->gammaTable);
190	+	csSave->gammaTable = 0;
191	+	csSave->maxGammaTableSize = 0;
192	+	}
193	+	if ((csSave->gammaTable = Mac_sysalloc(size)) == 0)
194	+	return false;
195	+	csSave->maxGammaTableSize = size;
196	+	}
197	+	return true;
198	+	}
199	+
200		static int16 set_gamma(VidLocals *csSave, uint32 gamma)
201		{
202	<	GammaTbl *clientGamma = (GammaTbl *)gamma;
186	<	GammaTbl *gammaTable = csSave->gammaTable;
202	>	return paramErr;
203
204	<	if (clientGamma == NULL) {
204	>	if (gamma == 0) { // Build linear ramp, 256 entries
205
206	<	// No gamma table supplied, build linear ramp
207	<	uint32 linearRampSize = sizeof(GammaTbl) + 256 - 2;
208	<	uint8 *correctionData;
209	<
210	<	// Allocate new gamma table if existing gamma table is smaller than required.
211	<	if (linearRampSize > csSave->maxGammaTableSize) {
212	<	delete[] csSave->gammaTable;
213	<	csSave->gammaTable = (GammaTbl *)new uint8[linearRampSize];
214	<	csSave->maxGammaTableSize = linearRampSize;
215	<	gammaTable = csSave->gammaTable;
216	<	}
201	<
202	<	gammaTable->gVersion = 0;                       // A version 0 style of the GammaTbl structure
203	<	gammaTable->gType = 0;                          // Frame buffer hardware invariant
204	<	gammaTable->gFormulaSize = 0;           // No formula data, just correction data
205	<	gammaTable->gChanCnt = 1;                       // Apply same correction to Red, Green, & Blue
206	<	gammaTable->gDataCnt = 256;                     // gDataCnt == 2^^gDataWidth
207	<	gammaTable->gDataWidth = 8;                     // 8 bits of significant data per entry
208	<
209	<	// Find the starting address of the correction data.  This can be computed by starting at
210	<	// the address of gFormula[0] and adding the gFormulaSize.
211	<	correctionData = (uint8 *)((uint32)&gammaTable->gFormulaData[0] + gammaTable->gFormulaSize);
206	>	// Allocate new table, if necessary
207	>	if (!allocate_gamma_table(csSave, SIZEOF_GammaTbl + 256))
208	>	return memFullErr;
209	>
210	>	// Initialize header
211	>	WriteMacInt16(csSave->gammaTable + gVersion, 0);                // A  version 0 style of the GammaTbl structure
212	>	WriteMacInt16(csSave->gammaTable + gType, 0);                   // Frame buffer hardware invariant
213	>	WriteMacInt16(csSave->gammaTable + gFormulaSize, 0);    // No formula data, just correction data
214	>	WriteMacInt16(csSave->gammaTable + gChanCnt, 1);                // Apply same correction to Red, Green, & Blue
215	>	WriteMacInt16(csSave->gammaTable + gDataCnt, 256);              // gDataCnt == 2^^gDataWidth
216	>	WriteMacInt16(csSave->gammaTable + gDataWidth, 8);              // 8 bits of significant data per entry
217
218		// Build the linear ramp
219	<	for (int i=0; i<gammaTable->gDataCnt; i++)
220	<	*correctionData++ = i;
219	>	uint32 p = csSave->gammaTable + gFormulaData;
220	>	for (int i=0; i<256; i++)
221	>	WriteMacInt8(p + i, i);
222
223	<	} else {
223	>	} else { // User-supplied gamma table
224
225	<	// User supplied a gamma table, so make sure it is a valid one
226	<	if (clientGamma->gVersion != 0)
225	>	// Validate header
226	>	if (ReadMacInt16(gamma + gVersion) != 0)
227		return paramErr;
228	<	if (clientGamma->gType != 0)
228	>	if (ReadMacInt16(gamma + gType) != 0)
229		return paramErr;
230	<	if ((clientGamma->gChanCnt != 1) && (clientGamma->gChanCnt != 3))
230	>	int chan_cnt = ReadMacInt16(gamma + gChanCnt);
231	>	if (chan_cnt != 1 && chan_cnt != 3)
232		return paramErr;
233	<	if (clientGamma->gDataWidth > 8)
233	>	int data_width = ReadMacInt16(gamma + gDataWidth);
234	>	if (data_width > 8)
235		return paramErr;
236	<	if (clientGamma->gDataCnt != (1 << clientGamma->gDataWidth))
236	>	int data_cnt = ReadMacInt16(gamma + gDataWidth);
237	>	if (data_cnt != (1 << data_width))
238		return paramErr;
239
240	<	uint32 tableSize = sizeof(GammaTbl)                                             // fixed size header
241	<	+ clientGamma->gFormulaSize                                             // add formula size
242	<	+ clientGamma->gChanCnt * clientGamma->gDataCnt // assume 1 byte/entry
243	<	- 2;                                                                                    // correct gFormulaData[0] counted twice
235	<
236	<	// Allocate new gamma table if existing gamma table is smaller than required.
237	<	if (tableSize > csSave->maxGammaTableSize) {
238	<	delete[] csSave->gammaTable;
239	<	csSave->gammaTable = (GammaTbl *)new uint8[tableSize];
240	<	csSave->maxGammaTableSize = tableSize;
241	<	gammaTable = csSave->gammaTable;
242	<	}
240	>	// Allocate new table, if necessary
241	>	int size = SIZEOF_GammaTbl + ReadMacInt16(gamma + gFormulaSize) + chan_cnt * data_cnt;
242	>	if (!allocate_gamma_table(csSave, size))
243	>	return memFullErr;
244
245	<	// Copy gamma table header
246	<	*gammaTable = *clientGamma;
246	<
247	<	// Copy the formula data (if any)
248	<	uint8 *newData = (uint8 *)&gammaTable->gFormulaData[0];         // Point to newGamma's formula data
249	<	uint8 *clientData = (uint8 *)&clientGamma->gFormulaData[0];     // Point to clientGamma's formula data
250	<	for (int i=0; i<gammaTable->gFormulaSize; i++)
251	<	*newData++ = *clientData++;
252	<
253	<	// Copy the correction data. Convientiently, after copying the formula data, the 'newData'
254	<	// pointer and the 'clientData' pointer are pointing to the their respective starting points
255	<	// of their correction data.
256	<	for (int i=0; i<gammaTable->gChanCnt; i++)
257	<	for (int j=0; j<gammaTable->gDataCnt; j++)
258	<	*newData++ = *clientData++;
245	>	// Copy table
246	>	Mac2Mac_memcpy(csSave->gammaTable, gamma, size);
247		}
248		return noErr;
249		}
#	Line 285 | Line 273 | static int16 VideoControl(uint32 pb, Vid
273		case cscSetEntries: {                                                   // SetEntries
274		D(bug("SetEntries\n"));
275		if (VModes[cur_mode].viAppleMode > APPLE_8_BIT) return controlErr;
276	<	ColorSpec *s_pal = (ColorSpec *)Mac2HostAddr(ReadMacInt32(param + csTable));
277	<	int16 start = ReadMacInt16(param + csStart);
278	<	int16 count = ReadMacInt16(param + csCount);
279	<	if (s_pal == NULL || count > 256) return controlErr;
276	>	uint32 s_pal = ReadMacInt32(param + csTable);
277	>	uint16 start = ReadMacInt16(param + csStart);
278	>	uint16 count = ReadMacInt16(param + csCount);
279	>	if (s_pal == 0 || count > 256) return controlErr;
280
281		// Preparations for gamma correction
282		bool do_gamma = false;
#	Line 296 | Line 284 | static int16 VideoControl(uint32 pb, Vid
284		uint8 *green_gamma = NULL;
285		uint8 *blue_gamma = NULL;
286		int gamma_data_width = 0;
287	<	if (display_type == DIS_SCREEN && csSave->gammaTable != NULL) { // Windows are gamma-corrected by BeOS
288	<	do_gamma = true;
289	<	GammaTbl *gamma = csSave->gammaTable;
290	<	gamma_data_width = gamma->gDataWidth;
291	<	red_gamma = (uint8 *)&gamma->gFormulaData + gamma->gFormulaSize;
292	<	if (gamma->gChanCnt == 1) {
293	<	green_gamma = blue_gamma = red_gamma;
294	<	} else {
295	<	green_gamma = red_gamma + gamma->gDataCnt;
296	<	blue_gamma = red_gamma + 2 * gamma->gDataCnt;
287	>	if (csSave->gammaTable) {
288	>	#ifdef __BEOS__
289	>	// Windows are gamma-corrected by BeOS
290	>	const bool can_do_gamma = (display_type == DIS_SCREEN);
291	>	#else
292	>	const bool can_do_gamma = true;
293	>	#endif
294	>	if (can_do_gamma) {
295	>	uint32 gamma_table = csSave->gammaTable;
296	>	red_gamma = Mac2HostAddr(gamma_table + gFormulaData + ReadMacInt16(gamma_table + gFormulaSize));
297	>	int chan_cnt = ReadMacInt16(gamma_table + gChanCnt);
298	>	if (chan_cnt == 1)
299	>	green_gamma = blue_gamma = red_gamma;
300	>	else {
301	>	int ofs = ReadMacInt16(gamma_table + gDataCnt);
302	>	green_gamma = red_gamma + ofs;
303	>	blue_gamma = green_gamma + ofs;
304	>	}
305	>	gamma_data_width = ReadMacInt16(gamma_table + gDataWidth);
306	>	do_gamma = true;
307		}
308		}
309
310		// Set palette
311		rgb_color *d_pal;
312	<	if (start == -1) {                      // Indexed
312	>	if (start == 0xffff) {                  // Indexed
313		for (int i=0; i<=count; i++) {
314	<	d_pal = &(mac_pal[(*s_pal).value]);
315	<	uint8 red = (*s_pal).red >> 8;
316	<	uint8 green = (*s_pal).green >> 8;
317	<	uint8 blue = (*s_pal).blue >> 8;
314	>	d_pal = mac_pal + (ReadMacInt16(s_pal + csValue) & 0xff);
315	>	uint8 red = (uint16)ReadMacInt16(s_pal + csRed) >> 8;
316	>	uint8 green = (uint16)ReadMacInt16(s_pal + csGreen) >> 8;
317	>	uint8 blue = (uint16)ReadMacInt16(s_pal + csBlue) >> 8;
318		if (csSave->luminanceMapping)
319		red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16;
320		if (do_gamma) {
#	Line 327 | Line 325 | static int16 VideoControl(uint32 pb, Vid
325		(*d_pal).red = red;
326		(*d_pal).green = green;
327		(*d_pal).blue = blue;
328	<	s_pal++;
328	>	s_pal += 8;
329		}
330	<	} else {                                                                // Sequential
331	<	d_pal = &(mac_pal[start]);
330	>	} else {                                                // Sequential
331	>	d_pal = mac_pal + start;
332		for (int i=0; i<=count; i++) {
333	<	uint8 red = (*s_pal).red >> 8;
334	<	uint8 green = (*s_pal).green >> 8;
335	<	uint8 blue = (*s_pal).blue >> 8;
333	>	uint8 red = (uint16)ReadMacInt16(s_pal + csRed) >> 8;
334	>	uint8 green = (uint16)ReadMacInt16(s_pal + csGreen) >> 8;
335	>	uint8 blue = (uint16)ReadMacInt16(s_pal + csBlue) >> 8;
336		if (csSave->luminanceMapping)
337		red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16;
338		if (do_gamma) {
#	Line 345 | Line 343 | static int16 VideoControl(uint32 pb, Vid
343		(*d_pal).red = red;
344		(*d_pal).green = green;
345		(*d_pal).blue = blue;
346	<	d_pal++; s_pal++;
346	>	d_pal++;
347	>	s_pal += 8;
348		}
349		}
350		video_set_palette();
351		return noErr;
352		}
353
354	<	case cscSetGamma:                                                       // SetGamma
355	<	D(bug("SetGamma\n"));
356	<	return set_gamma(csSave, ReadMacInt32(param));
354	>	case cscSetGamma: {                                                     // SetGamma
355	>	uint32 user_table = ReadMacInt32(param + csGTable);
356	>	D(bug("SetGamma %08x\n", user_table));
357	>	return set_gamma(csSave, ReadMacInt32(user_table));
358	>	}
359
360		case cscGrayPage: {                                                     // GrayPage
361	<	D(bug("GrayPage\n"));
362	<	uint32 *screen = (uint32 *)csSave->saveBaseAddr;
363	<	uint32 pattern;
364	<	uint32 row_bytes = VModes[cur_mode].viRowBytes;
365	<	switch (VModes[cur_mode].viAppleMode) {
366	<	case APPLE_8_BIT:
367	<	pattern=0xff00ff00;
368	<	for (int i=0;i<VModes[cur_mode].viYsize;i++) {
369	<	for (int j=0;j<(VModes[cur_mode].viXsize>>2);j++)
370	<	screen[j] = pattern;
371	<	pattern = ~pattern;
372	<	screen = (uint32 *)((uint32)screen + row_bytes);
373	<	}
374	<	break;
375	<	case APPLE_16_BIT:
376	<	pattern=0xffff0000;
377	<	for (int i=0;i<VModes[cur_mode].viYsize;i++) {
378	<	for (int j=0;j<(VModes[cur_mode].viXsize>>1);j++)
379	<	screen[j]=pattern;
380	<	pattern = ~pattern;
381	<	screen = (uint32 *)((uint32)screen + row_bytes);
382	<	}
383	<	break;
383	<	case APPLE_32_BIT:
384	<	pattern=0xffffffff;
385	<	for (int i=0;i<VModes[cur_mode].viYsize;i++) {
386	<	for (int j=0;j<VModes[cur_mode].viXsize;j++) {
387	<	screen[j]=pattern;
388	<	pattern = ~pattern;
389	<	}
390	<	screen = (uint32 *)((uint32)screen + row_bytes);
391	<	}
392	<	break;
361	>	D(bug("GrayPage %d\n", ReadMacInt16(param + csPage)));
362	>	if (ReadMacInt16(param + csPage))
363	>	return paramErr;
364	>
365	>	uint32 pattern[6] = {
366	>	0xaaaaaaaa,             // 1 bpp
367	>	0xcccccccc,             // 2 bpp
368	>	0xf0f0f0f0,             // 4 bpp
369	>	0xff00ff00,             // 8 bpp
370	>	0xffff0000,             // 16 bpp
371	>	0xffffffff              // 32 bpp
372	>	};
373	>	uint32 p = csSave->saveBaseAddr;
374	>	uint32 pat = pattern[VModes[cur_mode].viAppleMode - APPLE_1_BIT];
375	>	bool invert = (VModes[cur_mode].viAppleMode == APPLE_32_BIT);
376	>	for (uint32 y=0; y<VModes[cur_mode].viYsize; y++) {
377	>	for (uint32 x=0; x<VModes[cur_mode].viRowBytes; x+=4) {
378	>	WriteMacInt32(p + x, pat);
379	>	if (invert)
380	>	pat = ~pat;
381	>	}
382	>	p += VModes[cur_mode].viRowBytes;
383	>	pat = ~pat;
384		}
385		return noErr;
386		}
#	Line 455 | Line 446 | static int16 VideoControl(uint32 pb, Vid
446		MacCursor[3] = ReadMacInt8(0x887);
447
448		// Set new cursor image
449	<	if (display_type == DIS_SCREEN)
449	>	if (!video_can_change_cursor())
450		return controlErr;
451		if (changed)
452		video_set_cursor();
#	Line 545 | Line 536 | static int16 VideoStatus(uint32 pb, VidL
536
537		case cscGetEntries: {                                           // GetEntries
538		D(bug("GetEntries\n"));
539	<	ColorSpec *d_pal = (ColorSpec *)Mac2HostAddr(ReadMacInt32(param + csTable));
540	<	int16 start = ReadMacInt16(param + csStart);
541	<	int16 count = ReadMacInt16(param + csCount);
539	>	uint32 d_pal = ReadMacInt32(param + csTable);
540	>	uint16 start = ReadMacInt16(param + csStart);
541	>	uint16 count = ReadMacInt16(param + csCount);
542		rgb_color *s_pal;
543		if ((VModes[cur_mode].viAppleMode == APPLE_32_BIT)||
544		(VModes[cur_mode].viAppleMode == APPLE_16_BIT)) {
545		D(bug("ERROR: GetEntries in direct mode \n"));
546		return statusErr;
547		}
548	<	if (start >= 0) {       // indexed get
549	<	s_pal = &(mac_pal[start]);
548	>
549	>	if (start == 0xffff) {          // Indexed
550		for (uint16 i=0;i<count;i++) {
551	<	(*d_pal).red=(uint16)((*s_pal).red)*0x101;
552	<	(*d_pal).green=(uint16)((*s_pal).green)*0x101;
553	<	(*d_pal).blue=(uint16)((*s_pal).blue)*0x101;
554	<	d_pal++; s_pal++;
551	>	s_pal = mac_pal + (ReadMacInt16(d_pal + csValue) & 0xff);
552	>	uint8 red = (*s_pal).red;
553	>	uint8 green = (*s_pal).green;
554	>	uint8 blue = (*s_pal).blue;
555	>	WriteMacInt16(d_pal + csRed, red * 0x0101);
556	>	WriteMacInt16(d_pal + csGreen, green * 0x0101);
557	>	WriteMacInt16(d_pal + csBlue, blue * 0x0101);
558	>	d_pal += 8;
559		}
560	<	} else {                                                                // selected set
560	>	} else {                                        // Sequential
561	>	if (start + count > 255)
562	>	return paramErr;
563	>	s_pal = mac_pal + start;
564		for (uint16 i=0;i<count;i++) {
565	<	s_pal = &(mac_pal[(*d_pal).value]);
566	<	(*d_pal).red=(uint16)((*s_pal).red)*0x101;
567	<	(*d_pal).green=(uint16)((*s_pal).green)*0x101;
568	<	(*d_pal).blue=(uint16)((*s_pal).blue)*0x101;
569	<	d_pal++;
565	>	uint8 red = (*s_pal).red;
566	>	uint8 green = (*s_pal).green;
567	>	uint8 blue = (*s_pal).blue;
568	>	s_pal++;
569	>	WriteMacInt16(d_pal + csRed, red * 0x0101);
570	>	WriteMacInt16(d_pal + csGreen, green * 0x0101);
571	>	WriteMacInt16(d_pal + csBlue, blue * 0x0101);
572	>	d_pal += 8;
573		}
574		};
575		return noErr;
#	Line 687 | Line 688 | static int16 VideoStatus(uint32 pb, VidL
688		WriteMacInt32(param + csVerticalLines, 768);
689		WriteMacInt32(param + csRefreshRate, 75<<16);
690		break;
691	+	case APPLE_1152x768:
692	+	WriteMacInt32(param + csHorizontalPixels, 1152);
693	+	WriteMacInt32(param + csVerticalLines, 768);
694	+	WriteMacInt32(param + csRefreshRate, 75<<16);
695	+	break;
696		case APPLE_1152x900:
697		WriteMacInt32(param + csHorizontalPixels, 1152);
698		WriteMacInt32(param + csVerticalLines, 900);
#	Line 805 | Line 811 | static int16 VideoStatus(uint32 pb, VidL
811		case APPLE_1024x768:
812		timing = timingVESA_1024x768_75hz;
813		break;
814	+	case APPLE_1152x768:
815	+	timing = timingApple_1152x870_75hz; // FIXME
816	+	break;
817		case APPLE_1152x900:
818		timing = timingApple_1152x870_75hz;
819		break;
#	Line 865 | Line 874 | static int16 VideoClose(uint32 pb, VidLo
874		*  Native (PCI) driver entry
875		*/
876
877	<	int16 VideoDoDriverIO(void *spaceID, void *commandID, void *commandContents, uint32 commandCode, uint32 commandKind)
877	>	int16 VideoDoDriverIO(uint32 spaceID, uint32 commandID, uint32 commandContents, uint32 commandCode, uint32 commandKind)
878		{
879	<	//      D(bug("VideoDoDriverIO space %p, command %p, contents %p, code %d, kind %d\n", spaceID, commandID, commandContents, commandCode, commandKind));
879	>	//      D(bug("VideoDoDriverIO space %08x, command %08x, contents %08x, code %d, kind %d\n", spaceID, commandID, commandContents, commandCode, commandKind));
880		int16 err = noErr;
881
882		switch (commandCode) {
883		case kInitializeCommand:
884		case kReplaceCommand:
885	<	if (private_data != NULL)       // Might be left over from a reboot
886	<	delete private_data->gammaTable;
885	>	if (private_data != NULL) {     // Might be left over from a reboot
886	>	if (private_data->gammaTable)
887	>	Mac_sysfree(private_data->gammaTable);
888	>	}
889		delete private_data;
890
891	<	iocic_tvect = (uint32)FindLibSymbol("\021DriverServicesLib", "\023IOCommandIsComplete");
891	>	iocic_tvect = FindLibSymbol("\021DriverServicesLib", "\023IOCommandIsComplete");
892		D(bug("IOCommandIsComplete TVECT at %08lx\n", iocic_tvect));
893		if (iocic_tvect == 0) {
894		printf("FATAL: VideoDoDriverIO(): Can't find IOCommandIsComplete()\n");
895		err = -1;
896		break;
897		}
898	<	vslnewis_tvect = (uint32)FindLibSymbol("\020VideoServicesLib", "\026VSLNewInterruptService");
898	>	vslnewis_tvect = FindLibSymbol("\020VideoServicesLib", "\026VSLNewInterruptService");
899		D(bug("VSLNewInterruptService TVECT at %08lx\n", vslnewis_tvect));
900		if (vslnewis_tvect == 0) {
901		printf("FATAL: VideoDoDriverIO(): Can't find VSLNewInterruptService()\n");
902		err = -1;
903		break;
904		}
905	<	vsldisposeis_tvect = (uint32)FindLibSymbol("\020VideoServicesLib", "\032VSLDisposeInterruptService");
905	>	vsldisposeis_tvect = FindLibSymbol("\020VideoServicesLib", "\032VSLDisposeInterruptService");
906		D(bug("VSLDisposeInterruptService TVECT at %08lx\n", vsldisposeis_tvect));
907		if (vsldisposeis_tvect == 0) {
908		printf("FATAL: VideoDoDriverIO(): Can't find VSLDisposeInterruptService()\n");
909		err = -1;
910		break;
911		}
912	<	vsldois_tvect = (uint32)FindLibSymbol("\020VideoServicesLib", "\025VSLDoInterruptService");
912	>	vsldois_tvect = FindLibSymbol("\020VideoServicesLib", "\025VSLDoInterruptService");
913		D(bug("VSLDoInterruptService TVECT at %08lx\n", vsldois_tvect));
914		if (vsldois_tvect == 0) {
915		printf("FATAL: VideoDoDriverIO(): Can't find VSLDoInterruptService()\n");
916		err = -1;
917		break;
918		}
919	<	nqdmisc_tvect = (uint32)FindLibSymbol("\014InterfaceLib", "\007NQDMisc");
919	>	nqdmisc_tvect = FindLibSymbol("\014InterfaceLib", "\007NQDMisc");
920		D(bug("NQDMisc TVECT at %08lx\n", nqdmisc_tvect));
921		if (nqdmisc_tvect == 0) {
922		printf("FATAL: VideoDoDriverIO(): Can't find NQDMisc()\n");
#	Line 914 | Line 925 | int16 VideoDoDriverIO(void *spaceID, voi
925		}
926
927		private_data = new VidLocals;
928	<	private_data->gammaTable = NULL;
929	<	memcpy(private_data->regEntryID, (uint8 *)commandContents + 2, 16);     // DriverInitInfo.deviceEntry
928	>	private_data->gammaTable = 0;
929	>	Mac2Host_memcpy(&private_data->regEntryID, commandContents + 2, 16);    // DriverInitInfo.deviceEntry
930		private_data->interruptsEnabled = false;        // Disable interrupts
931		break;
932
933		case kFinalizeCommand:
934		case kSupersededCommand:
935	<	if (private_data != NULL)
936	<	delete private_data->gammaTable;
935	>	if (private_data != NULL && private_data->gammaTable)
936	>	Mac_sysfree(private_data->gammaTable);
937		delete private_data;
938		private_data = NULL;
939		break;
940
941		case kOpenCommand:
942	<	err = VideoOpen((uint32)commandContents, private_data);
942	>	err = VideoOpen(commandContents, private_data);
943		break;
944
945		case kCloseCommand:
946	<	err = VideoClose((uint32)commandContents, private_data);
946	>	err = VideoClose(commandContents, private_data);
947		break;
948
949		case kControlCommand:
950	<	err = VideoControl((uint32)commandContents, private_data);
950	>	err = VideoControl(commandContents, private_data);
951		break;
952
953		case kStatusCommand:
954	<	err = VideoStatus((uint32)commandContents, private_data);
954	>	err = VideoStatus(commandContents, private_data);
955		break;
956
957		case kReadCommand:

Diff Legend

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