23 |
|
* SEE ALSO |
24 |
|
* Inside Macintosh: Devices, chapter 1 "Device Manager" |
25 |
|
* Designing Cards and Drivers for the Macintosh Family, Second Edition |
26 |
+ |
* Designing PCI Cards and Drivers for Power Macintosh Computers |
27 |
+ |
* Display Device Driver Guide |
28 |
|
*/ |
29 |
|
|
30 |
|
#include <stdio.h> |
33 |
|
#include "cpu_emulation.h" |
34 |
|
#include "main.h" |
35 |
|
#include "macos_util.h" |
36 |
+ |
#include "slot_rom.h" |
37 |
|
#include "video.h" |
38 |
|
#include "video_defs.h" |
39 |
|
|
42 |
|
|
43 |
|
|
44 |
|
// List of supported video modes |
45 |
< |
std::vector<video_mode> VideoModes; |
45 |
> |
vector<video_mode> VideoModes; |
46 |
|
|
47 |
|
// Description of the main monitor |
48 |
|
monitor_desc VideoMonitor; |
49 |
|
|
50 |
+ |
// Depth code -> Apple mode mapping |
51 |
+ |
uint16 apple_mode_for_depth[6]; |
52 |
+ |
|
53 |
|
// Local variables (per monitor) |
54 |
|
struct { |
55 |
|
monitor_desc *desc; // Pointer to description of monitor handled by this instance of the driver |
56 |
|
uint8 palette[256 * 3]; // Color palette, 256 entries, RGB |
57 |
|
bool luminance_mapping; // Luminance mapping on/off |
58 |
|
bool interrupts_enabled; // VBL interrupts on/off |
59 |
+ |
bool dm_present; // We received a GetVideoParameters call, so the Display Manager seems to be present |
60 |
|
uint32 gamma_table; // Mac address of gamma table |
61 |
+ |
int alloc_gamma_table_size; // Allocated size of gamma table |
62 |
|
uint16 current_mode; // Currently selected depth/resolution |
63 |
|
uint32 current_id; |
64 |
|
uint16 preferred_mode; // Preferred depth/resolution |
65 |
|
uint32 preferred_id; |
66 |
< |
uint32 sp; // Mac address of Slot Manager parameter block |
66 |
> |
uint32 slot_param; // Mac address of Slot Manager parameter block |
67 |
|
} VidLocal; |
68 |
|
|
69 |
|
|
70 |
|
/* |
71 |
+ |
* Initialize apple_mode_for_depth[] array from VideoModes list |
72 |
+ |
*/ |
73 |
+ |
|
74 |
+ |
void video_init_depth_list(void) |
75 |
+ |
{ |
76 |
+ |
uint16 mode = 0x80; |
77 |
+ |
for (int depth = VDEPTH_1BIT; depth <= VDEPTH_32BIT; depth++) { |
78 |
+ |
if (video_has_depth(video_depth(depth))) |
79 |
+ |
apple_mode_for_depth[depth] = mode++; |
80 |
+ |
else |
81 |
+ |
apple_mode_for_depth[depth] = 0; |
82 |
+ |
} |
83 |
+ |
} |
84 |
+ |
|
85 |
+ |
|
86 |
+ |
/* |
87 |
+ |
* Check whether a mode with the specified depth exists |
88 |
+ |
*/ |
89 |
+ |
|
90 |
+ |
bool video_has_depth(video_depth depth) |
91 |
+ |
{ |
92 |
+ |
vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end(); |
93 |
+ |
while (i != end) { |
94 |
+ |
if (i->depth == depth) |
95 |
+ |
return true; |
96 |
+ |
++i; |
97 |
+ |
} |
98 |
+ |
return false; |
99 |
+ |
} |
100 |
+ |
|
101 |
+ |
|
102 |
+ |
/* |
103 |
|
* Check whether specified resolution ID is one of the supported resolutions |
104 |
|
*/ |
105 |
|
|
106 |
|
static bool has_resolution(uint32 id) |
107 |
|
{ |
108 |
< |
std::vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end(); |
109 |
< |
while (i != end) { |
108 |
> |
vector<video_mode>::const_iterator i, end = VideoModes.end(); |
109 |
> |
for (i = VideoModes.begin(); i != end; ++i) { |
110 |
|
if (i->resolution_id == id) |
111 |
|
return true; |
72 |
– |
++i; |
112 |
|
} |
113 |
|
return false; |
114 |
|
} |
118 |
|
* Find specified mode (depth/resolution) (or VideoModes.end() if not found) |
119 |
|
*/ |
120 |
|
|
121 |
< |
static std::vector<video_mode>::const_iterator find_mode(uint16 mode, uint32 id) |
121 |
> |
static vector<video_mode>::const_iterator find_mode(uint16 mode, uint32 id) |
122 |
|
{ |
123 |
< |
std::vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end(); |
124 |
< |
while (i != end) { |
123 |
> |
vector<video_mode>::const_iterator i, end = VideoModes.end(); |
124 |
> |
for (i = VideoModes.begin(); i != end; ++i) { |
125 |
|
if (i->resolution_id == id && DepthToAppleMode(i->depth) == mode) |
126 |
|
return i; |
88 |
– |
++i; |
127 |
|
} |
128 |
|
return i; |
129 |
|
} |
136 |
|
static video_depth max_depth_of_resolution(uint32 id) |
137 |
|
{ |
138 |
|
video_depth m = VDEPTH_1BIT; |
139 |
< |
std::vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end(); |
140 |
< |
while (i != end) { |
139 |
> |
vector<video_mode>::const_iterator i, end = VideoModes.end(); |
140 |
> |
for (i = VideoModes.begin(); i != end; ++i) { |
141 |
|
if (i->depth > m) |
142 |
|
m = i->depth; |
105 |
– |
++i; |
143 |
|
} |
144 |
|
return m; |
145 |
|
} |
151 |
|
|
152 |
|
static void get_size_of_resolution(uint32 id, uint32 &x, uint32 &y) |
153 |
|
{ |
154 |
< |
std::vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end(); |
155 |
< |
while (i != end) { |
154 |
> |
vector<video_mode>::const_iterator i, end = VideoModes.end(); |
155 |
> |
for (i = VideoModes.begin(); i != end; ++i) { |
156 |
|
if (i->resolution_id == id) { |
157 |
|
x = i->x; |
158 |
|
y = i->y; |
159 |
|
return; |
160 |
|
} |
161 |
< |
++i; |
161 |
> |
} |
162 |
> |
x = y = 0; |
163 |
> |
} |
164 |
> |
|
165 |
> |
|
166 |
> |
/* |
167 |
> |
* Get bytes-per-row value for specified resolution/depth |
168 |
> |
*/ |
169 |
> |
|
170 |
> |
uint32 video_bytes_per_row(video_depth depth, uint32 id) |
171 |
> |
{ |
172 |
> |
vector<video_mode>::const_iterator i, end = VideoModes.end(); |
173 |
> |
for (i = VideoModes.begin(); i != end; ++i) { |
174 |
> |
if (i->depth == depth && i->resolution_id == id) |
175 |
> |
return i->bytes_per_row; |
176 |
> |
} |
177 |
> |
uint32 x, y; |
178 |
> |
get_size_of_resolution(id, x, y); |
179 |
> |
return TrivialBytesPerRow(x, depth); |
180 |
> |
} |
181 |
> |
|
182 |
> |
|
183 |
> |
/* |
184 |
> |
* Find palette size for given color depth |
185 |
> |
*/ |
186 |
> |
|
187 |
> |
static int palette_size(video_depth depth) |
188 |
> |
{ |
189 |
> |
switch (depth) { |
190 |
> |
case VDEPTH_1BIT: return 2; |
191 |
> |
case VDEPTH_2BIT: return 4; |
192 |
> |
case VDEPTH_4BIT: return 16; |
193 |
> |
case VDEPTH_8BIT: return 256; |
194 |
> |
case VDEPTH_16BIT: return 32; |
195 |
> |
case VDEPTH_32BIT: return 256; |
196 |
> |
default: return 0; |
197 |
|
} |
198 |
|
} |
199 |
|
|
204 |
|
|
205 |
|
static void set_gray_palette(void) |
206 |
|
{ |
207 |
< |
if (!IsDirectMode(VidLocal.current_mode)) { |
208 |
< |
for (int i=0; i<256; i++) { |
209 |
< |
VidLocal.palette[i * 3 + 0] = 127; |
210 |
< |
VidLocal.palette[i * 3 + 1] = 127; |
211 |
< |
VidLocal.palette[i * 3 + 2] = 127; |
207 |
> |
for (int i=0; i<256; i++) { |
208 |
> |
VidLocal.palette[i * 3 + 0] = 127; |
209 |
> |
VidLocal.palette[i * 3 + 1] = 127; |
210 |
> |
VidLocal.palette[i * 3 + 2] = 127; |
211 |
> |
} |
212 |
> |
video_set_palette(VidLocal.palette, 256); |
213 |
> |
} |
214 |
> |
|
215 |
> |
|
216 |
> |
/* |
217 |
> |
* Load gamma-corrected black-to-white ramp to palette for direct-color mode |
218 |
> |
*/ |
219 |
> |
|
220 |
> |
static void load_ramp_palette(void) |
221 |
> |
{ |
222 |
> |
// Find tables for gamma correction |
223 |
> |
uint8 *red_gamma = NULL, *green_gamma = NULL, *blue_gamma = NULL; |
224 |
> |
bool have_gamma = false; |
225 |
> |
int data_width = 0; |
226 |
> |
if (VidLocal.gamma_table) { |
227 |
> |
uint32 table = VidLocal.gamma_table; |
228 |
> |
red_gamma = Mac2HostAddr(table + gFormulaData + ReadMacInt16(table + gFormulaSize)); |
229 |
> |
int chan_cnt = ReadMacInt16(table + gChanCnt); |
230 |
> |
if (chan_cnt == 1) |
231 |
> |
green_gamma = blue_gamma = red_gamma; |
232 |
> |
else { |
233 |
> |
int ofs = ReadMacInt16(table + gDataCnt); |
234 |
> |
green_gamma = red_gamma + ofs; |
235 |
> |
blue_gamma = green_gamma + ofs; |
236 |
|
} |
237 |
< |
video_set_palette(VidLocal.palette); |
237 |
> |
data_width = ReadMacInt16(table + gDataWidth); |
238 |
> |
have_gamma = true; |
239 |
> |
} |
240 |
> |
|
241 |
> |
int num = (VidLocal.desc->mode.depth == VDEPTH_16BIT ? 32 : 256); |
242 |
> |
uint8 *p = VidLocal.palette; |
243 |
> |
for (int i=0; i<num; i++) { |
244 |
> |
uint8 red = (i * 256 / num), green = red, blue = red; |
245 |
> |
if (have_gamma) { |
246 |
> |
red = red_gamma[red >> (8 - data_width)]; |
247 |
> |
green = green_gamma[green >> (8 - data_width)]; |
248 |
> |
blue = blue_gamma[blue >> (8 - data_width)]; |
249 |
> |
} |
250 |
> |
*p++ = red; |
251 |
> |
*p++ = green; |
252 |
> |
*p++ = blue; |
253 |
> |
} |
254 |
> |
|
255 |
> |
video_set_palette(VidLocal.palette, num); |
256 |
> |
} |
257 |
> |
|
258 |
> |
|
259 |
> |
/* |
260 |
> |
* Allocate gamma table of specified size |
261 |
> |
*/ |
262 |
> |
|
263 |
> |
static bool allocate_gamma_table(int size) |
264 |
> |
{ |
265 |
> |
M68kRegisters r; |
266 |
> |
|
267 |
> |
if (size > VidLocal.alloc_gamma_table_size) { |
268 |
> |
if (VidLocal.gamma_table) { |
269 |
> |
r.a[0] = VidLocal.gamma_table; |
270 |
> |
Execute68kTrap(0xa01f, &r); // DisposePtr() |
271 |
> |
VidLocal.gamma_table = 0; |
272 |
> |
VidLocal.alloc_gamma_table_size = 0; |
273 |
> |
} |
274 |
> |
r.d[0] = size; |
275 |
> |
Execute68kTrap(0xa71e, &r); // NewPtrSysClear() |
276 |
> |
if (r.a[0] == 0) |
277 |
> |
return false; |
278 |
> |
VidLocal.gamma_table = r.a[0]; |
279 |
> |
VidLocal.alloc_gamma_table_size = size; |
280 |
> |
} |
281 |
> |
return true; |
282 |
> |
} |
283 |
> |
|
284 |
> |
|
285 |
> |
/* |
286 |
> |
* Set gamma table (0 = build linear ramp) |
287 |
> |
*/ |
288 |
> |
|
289 |
> |
static bool set_gamma_table(uint32 user_table) |
290 |
> |
{ |
291 |
> |
if (user_table == 0) { // Build linear ramp, 256 entries |
292 |
> |
|
293 |
> |
// Allocate new table, if necessary |
294 |
> |
if (!allocate_gamma_table(SIZEOF_GammaTbl + 256)) |
295 |
> |
return memFullErr; |
296 |
> |
uint32 table = VidLocal.gamma_table; |
297 |
> |
|
298 |
> |
// Initialize header |
299 |
> |
WriteMacInt16(table + gVersion, 0); |
300 |
> |
WriteMacInt16(table + gType, 0); |
301 |
> |
WriteMacInt16(table + gFormulaSize, 0); |
302 |
> |
WriteMacInt16(table + gChanCnt, 1); |
303 |
> |
WriteMacInt16(table + gDataCnt, 256); |
304 |
> |
WriteMacInt16(table + gDataWidth, 8); |
305 |
> |
|
306 |
> |
// Build ramp |
307 |
> |
uint32 p = table + gFormulaData; |
308 |
> |
for (int i=0; i<256; i++) |
309 |
> |
WriteMacInt8(p + i, i); |
310 |
> |
|
311 |
> |
} else { // User-supplied gamma table |
312 |
> |
|
313 |
> |
// Validate header |
314 |
> |
if (ReadMacInt16(user_table + gVersion)) |
315 |
> |
return paramErr; |
316 |
> |
if (ReadMacInt16(user_table + gType)) |
317 |
> |
return paramErr; |
318 |
> |
int chan_cnt = ReadMacInt16(user_table + gChanCnt); |
319 |
> |
if (chan_cnt != 1 && chan_cnt != 3) |
320 |
> |
return paramErr; |
321 |
> |
int data_width = ReadMacInt16(user_table + gDataWidth); |
322 |
> |
if (data_width > 8) |
323 |
> |
return paramErr; |
324 |
> |
int data_cnt = ReadMacInt16(user_table + gDataCnt); |
325 |
> |
if (data_cnt != (1 << data_width)) |
326 |
> |
return paramErr; |
327 |
> |
|
328 |
> |
// Allocate new table, if necessary |
329 |
> |
int size = SIZEOF_GammaTbl + ReadMacInt16(user_table + gFormulaSize) + chan_cnt * data_cnt; |
330 |
> |
if (!allocate_gamma_table(size)) |
331 |
> |
return memFullErr; |
332 |
> |
uint32 table = VidLocal.gamma_table; |
333 |
> |
|
334 |
> |
// Copy table |
335 |
> |
Mac2Mac_memcpy(table, user_table, size); |
336 |
> |
} |
337 |
> |
|
338 |
> |
if (IsDirectMode(VidLocal.desc->mode)) |
339 |
> |
load_ramp_palette(); |
340 |
> |
|
341 |
> |
return true; |
342 |
> |
} |
343 |
> |
|
344 |
> |
|
345 |
> |
/* |
346 |
> |
* Switch video mode |
347 |
> |
*/ |
348 |
> |
|
349 |
> |
static void switch_mode(const video_mode &mode, uint32 param, uint32 dce) |
350 |
> |
{ |
351 |
> |
// Switch mode |
352 |
> |
set_gray_palette(); |
353 |
> |
video_switch_to_mode(mode); |
354 |
> |
|
355 |
> |
// Update VidLocal |
356 |
> |
VidLocal.current_mode = DepthToAppleMode(mode.depth); |
357 |
> |
VidLocal.current_id = mode.resolution_id; |
358 |
> |
|
359 |
> |
uint32 frame_base = VidLocal.desc->mac_frame_base; |
360 |
> |
|
361 |
> |
M68kRegisters r; |
362 |
> |
uint32 sp = VidLocal.slot_param; |
363 |
> |
r.a[0] = sp; |
364 |
> |
|
365 |
> |
// Find functional sResource for this display |
366 |
> |
WriteMacInt8(sp + spSlot, ReadMacInt8(dce + dCtlSlot)); |
367 |
> |
WriteMacInt8(sp + spID, ReadMacInt8(dce + dCtlSlotId)); |
368 |
> |
WriteMacInt8(sp + spExtDev, 0); |
369 |
> |
r.d[0] = 0x0016; |
370 |
> |
Execute68kTrap(0xa06e, &r); // SRsrcInfo() |
371 |
> |
uint32 rsrc = ReadMacInt32(sp + spPointer); |
372 |
> |
|
373 |
> |
// Patch minorBase (otherwise rebooting won't work) |
374 |
> |
WriteMacInt8(sp + spID, 0x0a); // minorBase |
375 |
> |
r.d[0] = 0x0006; |
376 |
> |
Execute68kTrap(0xa06e, &r); // SFindStruct() |
377 |
> |
uint32 minor_base = ReadMacInt32(sp + spPointer) - ROMBaseMac; |
378 |
> |
ROMBaseHost[minor_base + 0] = frame_base >> 24; |
379 |
> |
ROMBaseHost[minor_base + 1] = frame_base >> 16; |
380 |
> |
ROMBaseHost[minor_base + 2] = frame_base >> 8; |
381 |
> |
ROMBaseHost[minor_base + 3] = frame_base; |
382 |
> |
|
383 |
> |
// Patch video mode parameter table |
384 |
> |
WriteMacInt32(sp + spPointer, rsrc); |
385 |
> |
WriteMacInt8(sp + spID, DepthToAppleMode(mode.depth)); |
386 |
> |
r.d[0] = 0x0006; |
387 |
> |
Execute68kTrap(0xa06e, &r); // SFindStruct() |
388 |
> |
WriteMacInt8(sp + spID, 0x01); |
389 |
> |
r.d[0] = 0x0006; |
390 |
> |
Execute68kTrap(0xa06e, &r); // SFindStruct() |
391 |
> |
uint32 p = ReadMacInt32(sp + spPointer) - ROMBaseMac; |
392 |
> |
ROMBaseHost[p + 8] = mode.bytes_per_row >> 8; |
393 |
> |
ROMBaseHost[p + 9] = mode.bytes_per_row; |
394 |
> |
ROMBaseHost[p + 14] = mode.y >> 8; |
395 |
> |
ROMBaseHost[p + 15] = mode.y; |
396 |
> |
ROMBaseHost[p + 16] = mode.x >> 8; |
397 |
> |
ROMBaseHost[p + 17] = mode.x; |
398 |
> |
|
399 |
> |
// Recalculate slot ROM checksum |
400 |
> |
ChecksumSlotROM(); |
401 |
> |
|
402 |
> |
// Update sResource |
403 |
> |
WriteMacInt8(sp + spID, ReadMacInt8(dce + dCtlSlotId)); |
404 |
> |
r.d[0] = 0x002b; |
405 |
> |
Execute68kTrap(0xa06e, &r); // SUpdateSRT() |
406 |
> |
|
407 |
> |
// Update frame buffer base in DCE and param block |
408 |
> |
WriteMacInt32(dce + dCtlDevBase, frame_base); |
409 |
> |
WriteMacInt32(param + csBaseAddr, frame_base); |
410 |
> |
|
411 |
> |
// Patch frame buffer base address for MacOS versions <7.6 |
412 |
> |
if (!VidLocal.dm_present) { // Only do this when no Display Manager seems to be present; otherwise, the screen will not get redrawn |
413 |
> |
WriteMacInt32(0x824, frame_base); // ScrnBase |
414 |
> |
WriteMacInt32(0x898, frame_base); // CrsrBase |
415 |
> |
uint32 gdev = ReadMacInt32(0x8a4); // MainDevice |
416 |
> |
gdev = ReadMacInt32(gdev); |
417 |
> |
uint32 pmap = ReadMacInt32(gdev + 0x16); // gdPMap |
418 |
> |
pmap = ReadMacInt32(pmap); |
419 |
> |
WriteMacInt32(pmap, frame_base); // baseAddr |
420 |
|
} |
421 |
|
} |
422 |
|
|
441 |
|
VidLocal.current_id = VidLocal.desc->mode.resolution_id; |
442 |
|
VidLocal.preferred_mode = VidLocal.current_mode; |
443 |
|
VidLocal.preferred_id = VidLocal.current_id; |
444 |
+ |
VidLocal.dm_present = false; |
445 |
|
|
446 |
|
// Allocate Slot Manager parameter block in Mac RAM |
447 |
|
M68kRegisters r; |
449 |
|
Execute68kTrap(0xa71e, &r); // NewPtrSysClear() |
450 |
|
if (r.a[0] == 0) |
451 |
|
return memFullErr; |
452 |
< |
VidLocal.sp = r.a[0]; |
453 |
< |
D(bug("SPBlock at %08x\n", VidLocal.sp)); |
452 |
> |
VidLocal.slot_param = r.a[0]; |
453 |
> |
D(bug("SPBlock at %08x\n", VidLocal.slot_param)); |
454 |
|
|
455 |
|
// Find and set default gamma table |
456 |
< |
VidLocal.gamma_table = 0; //!! |
456 |
> |
VidLocal.gamma_table = 0; |
457 |
> |
VidLocal.alloc_gamma_table_size = 0; |
458 |
> |
set_gamma_table(0); |
459 |
|
|
460 |
|
// Init color palette (solid gray) |
461 |
|
set_gray_palette(); |
485 |
|
return paramErr; |
486 |
|
|
487 |
|
if (mode != VidLocal.current_mode) { |
488 |
< |
std::vector<video_mode>::const_iterator i = find_mode(mode, VidLocal.current_id); |
488 |
> |
vector<video_mode>::const_iterator i = find_mode(mode, VidLocal.current_id); |
489 |
|
if (i == VideoModes.end()) |
490 |
|
return paramErr; |
491 |
< |
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); |
491 |
> |
switch_mode(*i, param, dce); |
492 |
|
} |
493 |
|
D(bug(" base %08x\n", VidLocal.desc->mac_frame_base)); |
494 |
|
return noErr; |
495 |
|
} |
496 |
|
|
497 |
< |
case cscSetEntries: { // Set palette |
498 |
< |
D(bug(" SetEntries table %08x, count %d, start %d\n", ReadMacInt32(param + csTable), ReadMacInt16(param + csCount), ReadMacInt16(param + csStart))); |
499 |
< |
if (IsDirectMode(VidLocal.current_mode)) |
497 |
> |
case cscSetEntries: // Set palette |
498 |
> |
case cscDirectSetEntries: { |
499 |
> |
D(bug(" (Direct)SetEntries table %08x, count %d, start %d\n", ReadMacInt32(param + csTable), ReadMacInt16(param + csCount), ReadMacInt16(param + csStart))); |
500 |
> |
bool is_direct = IsDirectMode(VidLocal.desc->mode); |
501 |
> |
if (code == cscSetEntries && is_direct) |
502 |
> |
return controlErr; |
503 |
> |
if (code == cscDirectSetEntries && !is_direct) |
504 |
|
return controlErr; |
505 |
|
|
506 |
|
uint32 s_pal = ReadMacInt32(param + csTable); // Source palette |
510 |
|
if (s_pal == 0 || count > 255) |
511 |
|
return paramErr; |
512 |
|
|
513 |
+ |
// Find tables for gamma correction |
514 |
+ |
uint8 *red_gamma = NULL, *green_gamma = NULL, *blue_gamma = NULL; |
515 |
+ |
bool have_gamma = false; |
516 |
+ |
int data_width = 0; |
517 |
+ |
if (VidLocal.gamma_table) { |
518 |
+ |
uint32 table = VidLocal.gamma_table; |
519 |
+ |
red_gamma = Mac2HostAddr(table + gFormulaData + ReadMacInt16(table + gFormulaSize)); |
520 |
+ |
int chan_cnt = ReadMacInt16(table + gChanCnt); |
521 |
+ |
if (chan_cnt == 1) |
522 |
+ |
green_gamma = blue_gamma = red_gamma; |
523 |
+ |
else { |
524 |
+ |
int ofs = ReadMacInt16(table + gDataCnt); |
525 |
+ |
green_gamma = red_gamma + ofs; |
526 |
+ |
blue_gamma = green_gamma + ofs; |
527 |
+ |
} |
528 |
+ |
data_width = ReadMacInt16(table + gDataWidth); |
529 |
+ |
have_gamma = true; |
530 |
+ |
} |
531 |
+ |
|
532 |
+ |
// Convert palette |
533 |
|
if (start == 0xffff) { // Indexed |
534 |
|
for (uint32 i=0; i<=count; i++) { |
535 |
|
d_pal = VidLocal.palette + (ReadMacInt16(s_pal) & 0xff) * 3; |
536 |
|
uint8 red = (uint16)ReadMacInt16(s_pal + 2) >> 8; |
537 |
|
uint8 green = (uint16)ReadMacInt16(s_pal + 4) >> 8; |
538 |
|
uint8 blue = (uint16)ReadMacInt16(s_pal + 6) >> 8; |
539 |
< |
if (VidLocal.luminance_mapping) |
539 |
> |
if (VidLocal.luminance_mapping && !is_direct) |
540 |
|
red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16; |
541 |
< |
//!! gamma correction |
541 |
> |
if (have_gamma) { |
542 |
> |
red = red_gamma[red >> (8 - data_width)]; |
543 |
> |
green = green_gamma[green >> (8 - data_width)]; |
544 |
> |
blue = blue_gamma[blue >> (8 - data_width)]; |
545 |
> |
} |
546 |
|
*d_pal++ = red; |
547 |
|
*d_pal++ = green; |
548 |
|
*d_pal++ = blue; |
556 |
|
uint8 red = (uint16)ReadMacInt16(s_pal + 2) >> 8; |
557 |
|
uint8 green = (uint16)ReadMacInt16(s_pal + 4) >> 8; |
558 |
|
uint8 blue = (uint16)ReadMacInt16(s_pal + 6) >> 8; |
559 |
< |
if (VidLocal.luminance_mapping) |
559 |
> |
if (VidLocal.luminance_mapping && !is_direct) |
560 |
|
red = green = blue = (red * 0x4ccc + green * 0x970a + blue * 0x1c29) >> 16; |
561 |
< |
//!! gamma correction |
561 |
> |
if (have_gamma) { |
562 |
> |
red = red_gamma[red >> (8 - data_width)]; |
563 |
> |
green = green_gamma[green >> (8 - data_width)]; |
564 |
> |
blue = blue_gamma[blue >> (8 - data_width)]; |
565 |
> |
} |
566 |
|
*d_pal++ = red; |
567 |
|
*d_pal++ = green; |
568 |
|
*d_pal++ = blue; |
569 |
|
s_pal += 8; |
570 |
|
} |
571 |
|
} |
572 |
< |
video_set_palette(VidLocal.palette); |
572 |
> |
video_set_palette(VidLocal.palette, palette_size(VidLocal.desc->mode.depth)); |
573 |
|
return noErr; |
574 |
|
} |
575 |
|
|
576 |
< |
case cscSetGamma: // Set gamma table |
577 |
< |
D(bug(" SetGamma\n")); |
578 |
< |
//!! |
579 |
< |
return controlErr; |
576 |
> |
case cscSetGamma: { // Set gamma table |
577 |
> |
uint32 user_table = ReadMacInt32(param + csGTable); |
578 |
> |
D(bug(" SetGamma %08x\n", user_table)); |
579 |
> |
return set_gamma_table(user_table) ? noErr : memFullErr; |
580 |
> |
} |
581 |
|
|
582 |
|
case cscGrayPage: { // Fill page with dithered gray pattern |
583 |
|
D(bug(" GrayPage %d\n", ReadMacInt16(param + csPage))); |
592 |
|
0xffff0000, // 16 bpp |
593 |
|
0xffffffff // 32 bpp |
594 |
|
}; |
595 |
< |
uint32 p = VidLocal.desc->mac_frame_base; |
595 |
> |
uint32 frame_base = VidLocal.desc->mac_frame_base; |
596 |
|
uint32 pat = pattern[VidLocal.desc->mode.depth]; |
597 |
|
bool invert = (VidLocal.desc->mode.depth == VDEPTH_32BIT); |
598 |
|
for (uint32 y=0; y<VidLocal.desc->mode.y; y++) { |
599 |
|
for (uint32 x=0; x<VidLocal.desc->mode.bytes_per_row; x+=4) { |
600 |
< |
WriteMacInt32(p + x, pat); |
600 |
> |
WriteMacInt32(frame_base + x, pat); |
601 |
|
if (invert) |
602 |
|
pat = ~pat; |
603 |
|
} |
604 |
< |
p += VidLocal.desc->mode.bytes_per_row; |
604 |
> |
frame_base += VidLocal.desc->mode.bytes_per_row; |
605 |
|
pat = ~pat; |
606 |
|
} |
607 |
< |
//!! if direct mode, load gamma table to CLUT |
607 |
> |
|
608 |
> |
if (IsDirectMode(VidLocal.desc->mode)) |
609 |
> |
load_ramp_palette(); |
610 |
> |
|
611 |
|
return noErr; |
612 |
|
} |
613 |
|
|
622 |
|
return noErr; |
623 |
|
|
624 |
|
case cscSetDefaultMode: { // Set default color depth |
625 |
< |
uint16 mode = ReadMacInt16(param + csMode); |
626 |
< |
D(bug(" SetDefaultMode %04x\n", mode)); |
625 |
> |
uint16 mode = ReadMacInt8(param + csMode); |
626 |
> |
D(bug(" SetDefaultMode %02x\n", mode)); |
627 |
|
VidLocal.preferred_mode = mode; |
628 |
|
return noErr; |
629 |
|
} |
640 |
|
return paramErr; |
641 |
|
|
642 |
|
if (mode != VidLocal.current_mode || id != VidLocal.current_id) { |
643 |
< |
std::vector<video_mode>::const_iterator i = find_mode(mode, id); |
643 |
> |
vector<video_mode>::const_iterator i = find_mode(mode, id); |
644 |
|
if (i == VideoModes.end()) |
645 |
|
return paramErr; |
646 |
< |
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); |
646 |
> |
switch_mode(*i, param, dce); |
647 |
|
} |
648 |
|
D(bug(" base %08x\n", VidLocal.desc->mac_frame_base)); |
649 |
|
return noErr; |
736 |
|
|
737 |
|
case cscGetGray: // Get luminance mapping flag |
738 |
|
D(bug(" GetGray -> %d\n", VidLocal.luminance_mapping)); |
739 |
< |
WriteMacInt16(param, VidLocal.luminance_mapping ? 0x0100 : 0); |
739 |
> |
WriteMacInt8(param, VidLocal.luminance_mapping ? 1 : 0); |
740 |
|
return noErr; |
741 |
|
|
742 |
|
case cscGetInterrupt: // Get interrupt disable flag |
743 |
|
D(bug(" GetInterrupt -> %d\n", VidLocal.interrupts_enabled)); |
744 |
< |
WriteMacInt16(param, VidLocal.interrupts_enabled ? 0 : 0x0100); |
744 |
> |
WriteMacInt8(param, VidLocal.interrupts_enabled ? 0 : 1); |
745 |
|
return noErr; |
746 |
|
|
747 |
|
case cscGetGamma: |
748 |
< |
D(bug(" GetGamma -> \n")); |
749 |
< |
//!! |
750 |
< |
return statusErr; |
748 |
> |
D(bug(" GetGamma -> %08x\n", VidLocal.gamma_table)); |
749 |
> |
WriteMacInt32(param + csGTable, VidLocal.gamma_table); |
750 |
> |
return noErr; |
751 |
|
|
752 |
|
case cscGetDefaultMode: // Get default color depth |
753 |
< |
D(bug(" GetDefaultMode -> %04x\n", VidLocal.preferred_mode)); |
754 |
< |
WriteMacInt16(param + csMode, VidLocal.preferred_mode); |
753 |
> |
D(bug(" GetDefaultMode -> %02x\n", VidLocal.preferred_mode)); |
754 |
> |
WriteMacInt8(param + csMode, VidLocal.preferred_mode); |
755 |
|
return noErr; |
756 |
|
|
757 |
|
case cscGetCurrentMode: // Get current video mode (depth and resolution) |
835 |
|
WriteMacInt32(param + csVerticalLines, y); |
836 |
|
WriteMacInt32(param + csRefreshRate, 75 << 16); |
837 |
|
WriteMacInt16(param + csMaxDepthMode, DepthToAppleMode(max_depth_of_resolution(id))); |
838 |
+ |
WriteMacInt32(param + csResolutionFlags, 0); |
839 |
|
return noErr; |
840 |
|
} |
841 |
|
|
843 |
|
uint32 id = ReadMacInt32(param + csDisplayModeID); |
844 |
|
uint16 mode = ReadMacInt16(param + csDepthMode); |
845 |
|
D(bug(" GetVideoParameters %04x/%08x\n", mode, id)); |
846 |
+ |
VidLocal.dm_present = true; // Display Manager seems to be present |
847 |
|
|
848 |
< |
std::vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end(); |
849 |
< |
while (i != end) { |
848 |
> |
vector<video_mode>::const_iterator i, end = VideoModes.end(); |
849 |
> |
for (i = VideoModes.begin(); i != end; ++i) { |
850 |
|
if (DepthToAppleMode(i->depth) == mode && i->resolution_id == id) { |
851 |
|
uint32 vp = ReadMacInt32(param + csVPBlockPtr); |
852 |
|
WriteMacInt32(vp + vpBaseOffset, 0); |
862 |
|
WriteMacInt32(vp + vpVRes, 0x00480000); |
863 |
|
uint32 pix_type, pix_size, cmp_count, cmp_size, dev_type; |
864 |
|
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; |
865 |
|
case VDEPTH_16BIT: |
866 |
|
pix_type = 0x10; pix_size = 16; |
867 |
|
cmp_count = 3; cmp_size = 5; |
872 |
|
cmp_count = 3; cmp_size = 8; |
873 |
|
dev_type = 2; // direct |
874 |
|
break; |
875 |
+ |
default: |
876 |
+ |
pix_type = 0; pix_size = 1 << i->depth; |
877 |
+ |
cmp_count = 1; cmp_size = 1 << i->depth; |
878 |
+ |
dev_type = 0; // CLUT |
879 |
+ |
break; |
880 |
|
} |
881 |
|
WriteMacInt16(vp + vpPixelType, pix_type); |
882 |
|
WriteMacInt16(vp + vpPixelSize, pix_size); |
886 |
|
WriteMacInt32(param + csDeviceType, dev_type); |
887 |
|
return noErr; |
888 |
|
} |
640 |
– |
++i; |
889 |
|
} |
890 |
|
return paramErr; // specified resolution/depth not supported |
891 |
|
} |
892 |
|
|
893 |
+ |
case cscGetMultiConnect: { |
894 |
+ |
uint32 conn = ReadMacInt32(param + csDisplayCountOrNumber); |
895 |
+ |
D(bug(" GetMultiConnect %08x\n", conn)); |
896 |
+ |
if (conn == 0xffffffff) { // Get number of connections |
897 |
+ |
WriteMacInt32(param + csDisplayCountOrNumber, 1); // Single-headed |
898 |
+ |
return noErr; |
899 |
+ |
} else if (conn == 1) { // Get information about first connection |
900 |
+ |
WriteMacInt16(param + csConnectInfo + csDisplayType, 8); // Modeless connection |
901 |
+ |
WriteMacInt8(param + csConnectInfo + csConnectTaggedType, 0); |
902 |
+ |
WriteMacInt8(param + csConnectInfo + csConnectTaggedData, 0); |
903 |
+ |
WriteMacInt32(param + csConnectInfo + csConnectFlags, 0x43); // All modes valid and safe, non-standard tagging |
904 |
+ |
WriteMacInt32(param + csConnectInfo + csDisplayComponent, 0); |
905 |
+ |
return noErr; |
906 |
+ |
} else |
907 |
+ |
return paramErr; |
908 |
+ |
} |
909 |
+ |
|
910 |
|
default: |
911 |
|
printf("WARNING: Unknown VideoDriverStatus(%d)\n", code); |
912 |
|
return statusErr; |