1 | /*␊ |
2 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊ |
7 | * Reserved. This file contains Original Code and/or Modifications of␊ |
8 | * Original Code as defined in and that are subject to the Apple Public␊ |
9 | * Source License Version 2.0 (the "License"). You may not use this file␊ |
10 | * except in compliance with the License. Please obtain a copy of the␊ |
11 | * License at http://www.apple.com/publicsource and read it before using␊ |
12 | * this file.␊ |
13 | * ␊ |
14 | * The Original Code and all software distributed under the License are␊ |
15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the␊ |
19 | * License for the specific language governing rights and limitations␊ |
20 | * under the License.␊ |
21 | * ␊ |
22 | * @APPLE_LICENSE_HEADER_END@␊ |
23 | */␊ |
24 | /*␊ |
25 | * Copyright 1993 NeXT, Inc.␊ |
26 | * All rights reserved.␊ |
27 | */␊ |
28 | ␊ |
29 | #include "boot.h"␊ |
30 | #include "vbe.h"␊ |
31 | #include "appleClut8.h"␊ |
32 | #include "gui.h"␊ |
33 | #include "IOHibernatePrivate.h"␊ |
34 | #include "autoresolution.h"␊ |
35 | ␊ |
36 | ␊ |
37 | /*␊ |
38 | * for spinning disk␊ |
39 | */␊ |
40 | static int currentIndicator = 0;␊ |
41 | ␊ |
42 | int previewTotalSectors = 0;␊ |
43 | int previewLoadedSectors = 0;␊ |
44 | uint8_t *previewSaveunder = 0;␊ |
45 | ␊ |
46 | #define VIDEO(x) (bootArgs->Video.v_ ## x)␊ |
47 | ␊ |
48 | #define MIN(x, y) ((x) < (y) ? (x) : (y))␊ |
49 | ␊ |
50 | //==========================================================================␊ |
51 | // getVBEInfoString␊ |
52 | ␊ |
53 | char *getVBEInfoString()␊ |
54 | {␊ |
55 | ␉VBEInfoBlock vbeInfo;␊ |
56 | ␉int err, small;␊ |
57 | ␉char *buff = malloc(sizeof(char)*256);␊ |
58 | ␉if(!buff) return 0;␊ |
59 | ␉␊ |
60 | ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
61 | ␉strcpy( (char*)&vbeInfo, "VBE2" );␊ |
62 | ␉err = getVBEInfo( &vbeInfo );␊ |
63 | ␉if (err != errSuccess)␊ |
64 | ␉␉return 0;␊ |
65 | ␉␊ |
66 | ␉if ( strncmp( (char *)vbeInfo.VESASignature, "VESA", 4 ) )␊ |
67 | ␉␉return 0;␊ |
68 | ␉␊ |
69 | ␉small = (vbeInfo.TotalMemory < 16);␊ |
70 | ␉␊ |
71 | ␉sprintf(buff, "VESA v%d.%d %d%s (%s)\n",␊ |
72 | vbeInfo.VESAVersion >> 8,␊ |
73 | vbeInfo.VESAVersion & 0xf,␊ |
74 | small ? (vbeInfo.TotalMemory * 64) : (vbeInfo.TotalMemory / 16),␊ |
75 | small ? "KB" : "MB",␊ |
76 | VBEDecodeFP(const char *, vbeInfo.OEMStringPtr) );␊ |
77 | ␊ |
78 | ␉return buff;␊ |
79 | }␊ |
80 | ␊ |
81 | //==========================================================================␊ |
82 | //␊ |
83 | ␊ |
84 | void ␊ |
85 | printVBEModeInfo()␊ |
86 | {␊ |
87 | VBEInfoBlock vbeInfo;␊ |
88 | unsigned short * modePtr;␊ |
89 | VBEModeInfoBlock modeInfo;␊ |
90 | int err;␊ |
91 | int line;␊ |
92 | ␊ |
93 | ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
94 | strcpy( (char*)&vbeInfo, "VBE2" );␊ |
95 | err = getVBEInfo( &vbeInfo );␊ |
96 | if ( err != errSuccess )␊ |
97 | return;␊ |
98 | ␊ |
99 | line = 0;␊ |
100 | ␊ |
101 | // Activate and clear page 1␊ |
102 | setActiveDisplayPage(1);␊ |
103 | clearScreenRows(0, 24);␊ |
104 | setCursorPosition( 0, 0, 1 );␊ |
105 | ␊ |
106 | printf( getVBEInfoString() );␊ |
107 | ␉printf("Video modes supported:\n", VBEDecodeFP(const char *, vbeInfo.OEMStringPtr));␊ |
108 | ␊ |
109 | // Loop through the mode list, and find the matching mode.␊ |
110 | ␊ |
111 | for ( modePtr = VBEDecodeFP( unsigned short *, vbeInfo.VideoModePtr );␊ |
112 | *modePtr != modeEndOfList; modePtr++ )␊ |
113 | {␊ |
114 | // Get mode information.␊ |
115 | ␊ |
116 | bzero( &modeInfo, sizeof(modeInfo) );␊ |
117 | err = getVBEModeInfo( *modePtr, &modeInfo );␊ |
118 | if ( err != errSuccess )␊ |
119 | {␊ |
120 | continue;␊ |
121 | }␊ |
122 | ␊ |
123 | printf("Mode %x: %dx%dx%d mm:%d attr:%x\n",␊ |
124 | *modePtr, modeInfo.XResolution, modeInfo.YResolution,␊ |
125 | modeInfo.BitsPerPixel, modeInfo.MemoryModel,␊ |
126 | modeInfo.ModeAttributes);␊ |
127 | ␊ |
128 | if (line++ >= 20) {␊ |
129 | pause();␊ |
130 | line = 0;␊ |
131 | clearScreenRows(0, 24);␊ |
132 | setCursorPosition( 0, 0, 1 );␊ |
133 | }␊ |
134 | } ␊ |
135 | if (line != 0) {␊ |
136 | pause();␊ |
137 | }␊ |
138 | setActiveDisplayPage(0);␊ |
139 | }␊ |
140 | ␊ |
141 | char *getVBEModeInfoString()␊ |
142 | {␊ |
143 | ␉VBEInfoBlock vbeInfo;␊ |
144 | unsigned short * modePtr;␊ |
145 | VBEModeInfoBlock modeInfo;␊ |
146 | int err;␊ |
147 | ␊ |
148 | ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
149 | strcpy( (char*)&vbeInfo, "VBE2" );␊ |
150 | err = getVBEInfo( &vbeInfo );␊ |
151 | if ( err != errSuccess )␊ |
152 | return 0;␊ |
153 | ␉␊ |
154 | ␉char *buff=malloc(sizeof(char)*3072);␊ |
155 | ␉if(!buff) return 0;␊ |
156 | ␊ |
157 | ␉// Loop through the mode list, and find the matching mode.␊ |
158 | for ( modePtr = VBEDecodeFP( unsigned short *, vbeInfo.VideoModePtr );␊ |
159 | *modePtr != modeEndOfList; modePtr++ )␊ |
160 | {␊ |
161 | // Get mode information.␊ |
162 | ␊ |
163 | bzero( &modeInfo, sizeof(modeInfo) );␊ |
164 | err = getVBEModeInfo( *modePtr, &modeInfo );␊ |
165 | if ( err != errSuccess )␊ |
166 | {␊ |
167 | continue;␊ |
168 | }␊ |
169 | ␊ |
170 | sprintf(buff+strlen(buff), "Mode %x: %dx%dx%d mm:%d attr:%x\n",␊ |
171 | *modePtr, modeInfo.XResolution, modeInfo.YResolution,␊ |
172 | modeInfo.BitsPerPixel, modeInfo.MemoryModel,␊ |
173 | modeInfo.ModeAttributes);␊ |
174 | ␊ |
175 | } ␊ |
176 | ␉return buff;␊ |
177 | }␊ |
178 | ␊ |
179 | //==========================================================================␊ |
180 | // getVESAModeWithProperties␊ |
181 | //␊ |
182 | // Return the VESA mode that matches the properties specified.␊ |
183 | // If a mode is not found, then return the "best" available mode.␊ |
184 | ␊ |
185 | //static Azi:autoresolution␊ |
186 | unsigned short␊ |
187 | getVESAModeWithProperties( unsigned short width,␊ |
188 | unsigned short height,␊ |
189 | unsigned char bitsPerPixel,␊ |
190 | unsigned short attributesSet,␊ |
191 | unsigned short attributesClear,␊ |
192 | VBEModeInfoBlock * outModeInfo,␊ |
193 | unsigned short * vesaVersion )␊ |
194 | {␊ |
195 | VBEInfoBlock vbeInfo;␊ |
196 | unsigned short * modePtr;␊ |
197 | VBEModeInfoBlock modeInfo;␊ |
198 | unsigned char modeBitsPerPixel;␊ |
199 | unsigned short matchedMode = modeEndOfList;␊ |
200 | int err;␊ |
201 | ␊ |
202 | // Clear output mode info.␊ |
203 | ␊ |
204 | bzero( outModeInfo, sizeof(*outModeInfo) );␊ |
205 | ␊ |
206 | // Get VBE controller info containing the list of supported modes.␊ |
207 | ␊ |
208 | bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
209 | strcpy( (char*)&vbeInfo, "VBE2" );␊ |
210 | err = getVBEInfo( &vbeInfo );␊ |
211 | if ( err != errSuccess )␊ |
212 | {␊ |
213 | return modeEndOfList;␊ |
214 | }␊ |
215 | ␊ |
216 | // Report the VESA major/minor version number.␊ |
217 | ␊ |
218 | if (vesaVersion) *vesaVersion = vbeInfo.VESAVersion;␊ |
219 | ␊ |
220 | // Loop through the mode list, and find the matching mode.␊ |
221 | ␊ |
222 | for ( modePtr = VBEDecodeFP( unsigned short *, vbeInfo.VideoModePtr );␊ |
223 | *modePtr != modeEndOfList; modePtr++ )␊ |
224 | {␊ |
225 | // Get mode information.␊ |
226 | ␊ |
227 | bzero( &modeInfo, sizeof(modeInfo) );␊ |
228 | err = getVBEModeInfo( *modePtr, &modeInfo );␊ |
229 | if ( err != errSuccess )␊ |
230 | {␊ |
231 | continue;␊ |
232 | }␊ |
233 | ␊ |
234 | #if DEBUG␊ |
235 | printf("Mode %x: %dx%dx%d mm:%d attr:%x\n",␊ |
236 | *modePtr, modeInfo.XResolution, modeInfo.YResolution,␊ |
237 | modeInfo.BitsPerPixel, modeInfo.MemoryModel,␊ |
238 | modeInfo.ModeAttributes);␊ |
239 | #endif␊ |
240 | ␊ |
241 | // Filter out unwanted modes based on mode attributes.␊ |
242 | ␊ |
243 | if ( ( ( modeInfo.ModeAttributes & attributesSet ) != attributesSet )␊ |
244 | || ( ( modeInfo.ModeAttributes & attributesClear ) != 0 ) )␊ |
245 | {␊ |
246 | continue;␊ |
247 | }␊ |
248 | ␊ |
249 | // Pixel depth in bits.␊ |
250 | ␊ |
251 | modeBitsPerPixel = modeInfo.BitsPerPixel;␊ |
252 | ␊ |
253 | if ( ( modeBitsPerPixel == 4 ) && ( modeInfo.MemoryModel == 0 ) )␊ |
254 | {␊ |
255 | // Text mode, 16 colors.␊ |
256 | }␊ |
257 | else if ( ( modeBitsPerPixel == 8 ) && ( modeInfo.MemoryModel == 4 ) )␊ |
258 | {␊ |
259 | // Packed pixel, 256 colors.␊ |
260 | }␊ |
261 | else if ( ( ( modeBitsPerPixel == 16 ) || ( modeBitsPerPixel == 15 ) )␊ |
262 | && ( modeInfo.MemoryModel == 6 )␊ |
263 | && ( modeInfo.RedMaskSize == 5 )␊ |
264 | && ( modeInfo.GreenMaskSize == 5 )␊ |
265 | && ( modeInfo.BlueMaskSize == 5 ) )␊ |
266 | {␊ |
267 | // Direct color, 16 bpp (1:5:5:5).␊ |
268 | modeInfo.BitsPerPixel = modeBitsPerPixel = 16;␊ |
269 | }␊ |
270 | else if ( ( modeBitsPerPixel == 32 )␊ |
271 | && ( modeInfo.MemoryModel == 6 )␊ |
272 | && ( modeInfo.RedMaskSize == 8 )␊ |
273 | && ( modeInfo.GreenMaskSize == 8 )␊ |
274 | && ( modeInfo.BlueMaskSize == 8 ) )␊ |
275 | {␊ |
276 | // Direct color, 32 bpp (8:8:8:8).␊ |
277 | }␊ |
278 | else␊ |
279 | {␊ |
280 | continue; // Not a supported mode.␊ |
281 | }␊ |
282 | ␊ |
283 | // Modes larger than the specified dimensions are skipped.␊ |
284 | ␊ |
285 | if ( ( modeInfo.XResolution > width ) ||␊ |
286 | ( modeInfo.YResolution > height ) )␊ |
287 | {␊ |
288 | continue;␊ |
289 | }␊ |
290 | ␊ |
291 | // Perfect match, we're done looking.␊ |
292 | ␊ |
293 | if ( ( modeInfo.XResolution == width ) &&␊ |
294 | ( modeInfo.YResolution == height ) &&␊ |
295 | ( modeBitsPerPixel == bitsPerPixel ) )␊ |
296 | {␊ |
297 | matchedMode = *modePtr;␊ |
298 | bcopy( &modeInfo, outModeInfo, sizeof(modeInfo) );␊ |
299 | break;␊ |
300 | }␊ |
301 | ␊ |
302 | // Save the next "best" mode in case a perfect match is not found.␊ |
303 | ␊ |
304 | if ( modeInfo.XResolution == outModeInfo->XResolution &&␊ |
305 | modeInfo.YResolution == outModeInfo->YResolution &&␊ |
306 | modeBitsPerPixel <= outModeInfo->BitsPerPixel )␊ |
307 | {␊ |
308 | continue; // Saved mode has more depth.␊ |
309 | }␊ |
310 | if ( modeInfo.XResolution < outModeInfo->XResolution ||␊ |
311 | modeInfo.YResolution < outModeInfo->YResolution ||␊ |
312 | modeBitsPerPixel < outModeInfo->BitsPerPixel )␊ |
313 | {␊ |
314 | continue; // Saved mode has more resolution.␊ |
315 | }␊ |
316 | ␊ |
317 | matchedMode = *modePtr;␊ |
318 | bcopy( &modeInfo, outModeInfo, sizeof(modeInfo) );␊ |
319 | }␊ |
320 | ␊ |
321 | return matchedMode;␊ |
322 | }␊ |
323 | ␊ |
324 | //==========================================================================␊ |
325 | // setupPalette␊ |
326 | ␊ |
327 | static void setupPalette( VBEPalette * p, const unsigned char * g )␊ |
328 | {␊ |
329 | int i;␊ |
330 | unsigned char * source = (unsigned char *) g;␊ |
331 | ␊ |
332 | for (i = 0; i < 256; i++)␊ |
333 | {␊ |
334 | (*p)[i] = 0;␊ |
335 | (*p)[i] |= ((unsigned long)((*source++) >> 2)) << 16; // Red␊ |
336 | (*p)[i] |= ((unsigned long)((*source++) >> 2)) << 8; // Green␊ |
337 | (*p)[i] |= ((unsigned long)((*source++) >> 2)); // Blue␊ |
338 | }␊ |
339 | }␊ |
340 | ␊ |
341 | //==========================================================================␊ |
342 | // Simple decompressor for boot images encoded in RLE format.␊ |
343 | ␊ |
344 | char * decodeRLE( const void * rleData, int rleBlocks, int outBytes )␊ |
345 | {␊ |
346 | char *out, *cp;␊ |
347 | ␊ |
348 | struct RLEBlock {␊ |
349 | unsigned char count;␊ |
350 | unsigned char value;␊ |
351 | } * bp = (struct RLEBlock *) rleData;␊ |
352 | ␊ |
353 | out = cp = malloc( outBytes );␊ |
354 | if ( out == NULL ) return NULL;␊ |
355 | ␊ |
356 | while ( rleBlocks-- )␊ |
357 | {␊ |
358 | memset( cp, bp->value, bp->count );␊ |
359 | cp += bp->count;␊ |
360 | bp++;␊ |
361 | }␊ |
362 | ␊ |
363 | return out;␊ |
364 | }␊ |
365 | ␊ |
366 | //==========================================================================␊ |
367 | // setVESAGraphicsMode␊ |
368 | ␊ |
369 | static int␊ |
370 | setVESAGraphicsMode( unsigned short width,␊ |
371 | unsigned short height,␊ |
372 | unsigned char bitsPerPixel,␊ |
373 | unsigned short refreshRate )␊ |
374 | {␊ |
375 | VBEModeInfoBlock minfo;␊ |
376 | unsigned short mode;␊ |
377 | unsigned short vesaVersion;␊ |
378 | int err = errFuncNotSupported;␊ |
379 | ␊ |
380 | do {␊ |
381 | mode = getVESAModeWithProperties( width, height, bitsPerPixel,␊ |
382 | maColorModeBit |␊ |
383 | maModeIsSupportedBit |␊ |
384 | maGraphicsModeBit |␊ |
385 | maLinearFrameBufferAvailBit,␊ |
386 | 0,␊ |
387 | &minfo, &vesaVersion );␊ |
388 | if ( mode == modeEndOfList )␊ |
389 | {␊ |
390 | break;␊ |
391 | }␊ |
392 | ␊ |
393 | ␉␉if (refreshRate != 60) refreshRate = 60; //Azi:autoresolution␊ |
394 | ␊ |
395 | //␊ |
396 | // FIXME : generateCRTCTiming() causes crash.␊ |
397 | //␊ |
398 | ␊ |
399 | // if ( (vesaVersion >> 8) >= 3 && refreshRate >= 60 &&␊ |
400 | // (gBootMode & kBootModeSafe) == 0 )␊ |
401 | // {␊ |
402 | // VBECRTCInfoBlock timing;␊ |
403 | // ␊ |
404 | // // Generate CRTC timing for given refresh rate.␊ |
405 | // ␊ |
406 | // generateCRTCTiming( minfo.XResolution, minfo.YResolution,␊ |
407 | // refreshRate, kCRTCParamRefreshRate,␊ |
408 | // &timing );␊ |
409 | // ␊ |
410 | // // Find the actual pixel clock supported by the hardware.␊ |
411 | // ␊ |
412 | // getVBEPixelClock( mode, &timing.PixelClock );␊ |
413 | // ␊ |
414 | // // Re-compute CRTC timing based on actual pixel clock.␊ |
415 | // ␊ |
416 | // generateCRTCTiming( minfo.XResolution, minfo.YResolution,␊ |
417 | // timing.PixelClock, kCRTCParamPixelClock,␊ |
418 | // &timing );␊ |
419 | // ␊ |
420 | // // Set the video mode and use specified CRTC timing.␊ |
421 | // ␊ |
422 | // err = setVBEMode( mode | kLinearFrameBufferBit |␊ |
423 | // kCustomRefreshRateBit, &timing );␊ |
424 | // }␊ |
425 | // else␊ |
426 | // {␊ |
427 | // // Set the mode with default refresh rate.␊ |
428 | // ␊ |
429 | // err = setVBEMode( mode | kLinearFrameBufferBit, NULL );␊ |
430 | // }␊ |
431 | ␊ |
432 | //Azi:autoresolution␊ |
433 | #ifdef AUTORES_DEBUG␊ |
434 | ␉␉//Azi: who? who is about to set?? :P␊ |
435 | ␉␉PRINT("Is about to set mode #%d with resolution %dx%d\n", mode, minfo.XResolution, minfo.YResolution);␊ |
436 | ␉␉//getc(); //Azi: boot hangs, on the second call (like "old" Wait=y issue and usb fixes).␊ |
437 | ␉␉sleep(2);␊ |
438 | #endif␊ |
439 | // Set the mode with default refresh rate.␊ |
440 | err = setVBEMode( mode | kLinearFrameBufferBit, NULL );␊ |
441 | ␊ |
442 | if ( err != errSuccess )␊ |
443 | {␊ |
444 | #ifdef AUTORES_DEBUG␊ |
445 | ␉␉␉PRINT("setVBEMode failed to set mode %d (%dx%d) with error #%d\n",␊ |
446 | ␉␉␉␉ mode, minfo.XResolution, minfo.YResolution, err);␊ |
447 | ␉␉␉sleep(2); //Azi: i suppose the same as above.␊ |
448 | #endif␊ |
449 | break;␊ |
450 | }␊ |
451 | ␊ |
452 | // Set 8-bit color palette.␊ |
453 | ␊ |
454 | if ( minfo.BitsPerPixel == 8 )␊ |
455 | {␊ |
456 | VBEPalette palette;␊ |
457 | setupPalette( &palette, appleClut8 ); //Azi:autoresolution - check this stuff, appleClut8␊ |
458 | if ((err = setVBEPalette(palette)) != errSuccess)␊ |
459 | {␊ |
460 | break;␊ |
461 | }␊ |
462 | }␊ |
463 | ␊ |
464 | // Is this required for buggy Video BIOS implementations?␊ |
465 | // On which adapter?␊ |
466 | ␊ |
467 | if ( minfo.BytesPerScanline == 0 )␊ |
468 | minfo.BytesPerScanline = ( minfo.XResolution *␊ |
469 | minfo.BitsPerPixel ) >> 3;␊ |
470 | ␊ |
471 | // Update KernBootStruct using info provided by the selected␊ |
472 | // VESA mode.␊ |
473 | ␊ |
474 | bootArgs->Video.v_display = GRAPHICS_MODE;␊ |
475 | bootArgs->Video.v_width = minfo.XResolution;␊ |
476 | bootArgs->Video.v_height = minfo.YResolution;␊ |
477 | bootArgs->Video.v_depth = minfo.BitsPerPixel;␊ |
478 | bootArgs->Video.v_rowBytes = minfo.BytesPerScanline;␊ |
479 | bootArgs->Video.v_baseAddr = VBEMakeUInt32(minfo.PhysBasePtr);␊ |
480 | //Azi:autoresolution␊ |
481 | #ifdef AUTORES_DEBUG //Azi: changed from if to ifdef␊ |
482 | ␉␉gui.screen.mm␉␉␉␉= minfo.MemoryModel;␊ |
483 | ␉␉gui.screen.attr␉␉␉␉= minfo.ModeAttributes;␊ |
484 | #endif␊ |
485 | }␊ |
486 | while ( 0 );␊ |
487 | ␊ |
488 | return err;␊ |
489 | }␊ |
490 | ␊ |
491 | int␊ |
492 | convertImage( unsigned short width,␊ |
493 | unsigned short height,␊ |
494 | const unsigned char *imageData,␊ |
495 | unsigned char **newImageData )␊ |
496 | {␊ |
497 | int cnt;␊ |
498 | unsigned char *img = 0;␊ |
499 | unsigned short *img16;␊ |
500 | unsigned long *img32;␊ |
501 | ␊ |
502 | switch ( VIDEO(depth) ) {␊ |
503 | case 16 :␊ |
504 | img16 = malloc(width * height * 2);␊ |
505 | if ( !img16 ) break;␊ |
506 | for (cnt = 0; cnt < (width * height); cnt++)␊ |
507 | img16[cnt] = lookUpCLUTIndex(imageData[cnt], 16);␊ |
508 | img = (unsigned char *)img16;␊ |
509 | break;␊ |
510 | ␊ |
511 | case 32 :␊ |
512 | img32 = malloc(width * height * 4);␊ |
513 | if ( !img32 ) break;␊ |
514 | for (cnt = 0; cnt < (width * height); cnt++)␊ |
515 | img32[cnt] = lookUpCLUTIndex(imageData[cnt], 32);␊ |
516 | img = (unsigned char *)img32;␊ |
517 | break;␊ |
518 | ␊ |
519 | default :␊ |
520 | img = malloc(width * height);␊ |
521 | bcopy(imageData, img, width * height);␊ |
522 | break;␊ |
523 | }␊ |
524 | *newImageData = img;␊ |
525 | return 0;␊ |
526 | }␊ |
527 | ␊ |
528 | int loadPngImage(const char *filename, uint16_t *width, uint16_t *height,␊ |
529 | uint8_t **imageData)␊ |
530 | {␊ |
531 | uint8_t *pngData = NULL;␊ |
532 | int pngFile = 0, pngSize;␊ |
533 | PNG_info_t *info;␊ |
534 | int error = 0;␊ |
535 | ␊ |
536 | pngFile = open_bvdev("bt(0,0)", filename, 0);␊ |
537 | if (pngFile == -1) {␊ |
538 | error = -1;␊ |
539 | goto failed;␊ |
540 | }␊ |
541 | pngSize = file_size(pngFile);␊ |
542 | if (!pngSize) {␊ |
543 | error = -1;␊ |
544 | goto failed;␊ |
545 | }␊ |
546 | pngData = malloc(pngSize);␊ |
547 | if (read(pngFile, (char *) pngData, pngSize) != pngSize) {␊ |
548 | error = -1;␊ |
549 | goto failed;␊ |
550 | }␊ |
551 | ␊ |
552 | PNG_error = -1;␊ |
553 | info = PNG_decode(pngData, pngSize);␊ |
554 | if (PNG_error != 0) {␊ |
555 | error = PNG_error;␊ |
556 | goto failed;␊ |
557 | } else if ((info->width > 0xffff) || (info->height > 0xffff)) {␊ |
558 | error = -1;␊ |
559 | goto failed;␊ |
560 | } else if ((info->width * info->height * 4) != info->image->size) {␊ |
561 | error = -1;␊ |
562 | goto failed;␊ |
563 | }␊ |
564 | ␉uint8_t *result = malloc(info->width*4*info->height);␊ |
565 | *width = info->width;␊ |
566 | *height = info->height;␊ |
567 | ␉memcpy(result, info->image->data, info->width*4*info->height);␊ |
568 | ␉*imageData = result;␊ |
569 | ␊ |
570 | failed:␊ |
571 | ␉png_alloc_free_all();␊ |
572 | if (pngData)␊ |
573 | free(pngData);␊ |
574 | if (pngFile != -1)␊ |
575 | close(pngFile);␊ |
576 | ␊ |
577 | return error;␊ |
578 | }␊ |
579 | ␊ |
580 | int loadEmbeddedPngImage(uint8_t *pngData, int pngSize, uint16_t *width, uint16_t *height, uint8_t **imageData) {␊ |
581 | PNG_info_t *info;␊ |
582 | int error = 0;␊ |
583 | ␉␊ |
584 | PNG_error = -1;␊ |
585 | info = PNG_decode(pngData, pngSize);␊ |
586 | ␉if (PNG_error != 0) {␊ |
587 | error = PNG_error;␊ |
588 | goto failed;␊ |
589 | } else if ((info->width > 0xffff) || (info->height > 0xffff)) {␊ |
590 | error = -1;␊ |
591 | goto failed;␊ |
592 | } else if ((info->width * info->height * 4) != info->image->size) {␊ |
593 | error = -1;␊ |
594 | goto failed;␊ |
595 | }␊ |
596 | ␉uint8_t *result = malloc(info->width*4*info->height);␊ |
597 | ␉*width = info->width;␊ |
598 | *height = info->height;␊ |
599 | ␉memcpy(result, info->image->data, info->width*4*info->height);␊ |
600 | ␉*imageData = result;␊ |
601 | ␊ |
602 | failed:␊ |
603 | ␉png_alloc_free_all();␊ |
604 | ␊ |
605 | return error;␊ |
606 | }␊ |
607 | ␊ |
608 | void blendImage(uint16_t x, uint16_t y, uint16_t width, uint16_t height,␊ |
609 | uint8_t *data)␊ |
610 | {␊ |
611 | uint16_t drawWidth;␊ |
612 | uint8_t *vram = (uint8_t *) VIDEO(baseAddr) + VIDEO(rowBytes) * y + 4 * x;␊ |
613 | ␊ |
614 | drawWidth = MIN(width, VIDEO(width) - x);␊ |
615 | height = MIN(height, VIDEO(height) - y);␊ |
616 | while (height--) {␊ |
617 | ␉␉switch (VIDEO (depth))␊ |
618 | ␉␉{␊ |
619 | ␉␉␉case 32: /* Optimized version*/␊ |
620 | ␉␉␉{␊ |
621 | ␉␉␉␉uint32_t s; uint32_t* d; // Source (img) and destination (bkgd) pixels␊ |
622 | ␉␉␉␉uint32_t a; // Alpha␊ |
623 | ␉␉␉␉uint32_t dstrb, dstg, srcrb, srcg, drb, dg, rb, g, tempB; // Intermediate variables␊ |
624 | ␉␉␉␉uint16_t pos;␊ |
625 | ␉␉␉␉␊ |
626 | ␉␉␉␉for (pos = 0; pos < drawWidth * 4; pos += 4) {␊ |
627 | ␉␉␉␉␉// Fast pseudo-vector alpha blending, adapted from: http://www.stereopsis.com/doubleblend.html␊ |
628 | ␉␉␉␉␉s = *((uint32_t*) (data + pos));␊ |
629 | ␉␉␉␉␉d = (uint32_t*) (vram + pos);␊ |
630 | ␊ |
631 | ␉␉␉␉␉// Flip B and R in source␊ |
632 | ␉␉␉␉␉// TODO: use XCHG and inline assembly to do this in a faster, saner way␊ |
633 | ␉␉␉␉␉tempB = (s & 0xFF0000); // save B␊ |
634 | ␉␉␉␉␉s = (s & 0xFF00FFFF) | ((s & 0xFF) << 16); // put R in B␊ |
635 | ␉␉␉␉␉s = (s & 0xFFFFFF00) | (tempB >> 16); // put B in R␊ |
636 | ␊ |
637 | ␉␉␉␉␉a = (s >> 24) + 1;␊ |
638 | ␊ |
639 | ␉␉␉␉␉dstrb = *d & 0xFF00FF; dstg = *d & 0xFF00;␊ |
640 | ␉␉␉␉␉srcrb = s & 0xFF00FF; srcg = s & 0xFF00;␊ |
641 | ␊ |
642 | ␉␉␉␉␉drb = srcrb - dstrb;␊ |
643 | ␉␉␉␉␉dg = srcg - dstg;␊ |
644 | ␉␉␉␉␉drb *= a; dg *= a;␊ |
645 | ␉␉␉␉␉drb >>= 8; dg >>= 8;␊ |
646 | ␊ |
647 | ␉␉␉␉␉rb = (drb + dstrb) & 0xFF00FF;␊ |
648 | ␉␉␉␉␉g = (dg + dstg) & 0xFF00;␊ |
649 | ␊ |
650 | ␉␉␉␉␉*d = rb | g;␊ |
651 | ␉␉␉␉}␊ |
652 | ␉␉␉}␊ |
653 | ␉␉␉break;␊ |
654 | ␉␉␉␉␊ |
655 | ␉␉␉default: /*Universal version*/␊ |
656 | ␉␉␉{␊ |
657 | ␉␉␉␉uint32_t s; ␊ |
658 | ␉␉␉␉uint32_t a; // Alpha␊ |
659 | ␉␉␉␉uint32_t dr, dg, db, sr, sg, sb; // Intermediate variables␊ |
660 | ␉␉␉␉uint16_t pos;␊ |
661 | ␉␉␉␉int bpp = (VIDEO (depth) + 7)/8;␊ |
662 | ␉␉␉␉␊ |
663 | ␉␉␉␉for (pos = 0; pos < drawWidth; pos ++) {␊ |
664 | ␉␉␉␉␉// Fast pseudo-vector alpha blending, adapted from: http://www.stereopsis.com/doubleblend.html␊ |
665 | ␉␉␉␉␉s = *((uint32_t*) (data + 4*pos));␊ |
666 | ␉␉␉␉␉␊ |
667 | ␉␉␉␉␉sb = (s & 0xFF0000) >> 16;␊ |
668 | ␉␉␉␉␉sg = (s & 0xFF00) >> 8;␊ |
669 | ␉␉␉␉␉sr = (s & 0xFF);␊ |
670 | ␉␉␉␉␉␊ |
671 | ␉␉␉␉␉a = (s >> 24) + 1;␊ |
672 | ␉␉␉␉␉␊ |
673 | ␉␉␉␉␉switch (VIDEO (depth))␊ |
674 | ␉␉␉␉␉{␊ |
675 | ␉␉␉␉␉␉case 24:␊ |
676 | ␉␉␉␉␉␉␉db = ((*(uint32_t *)(vram + bpp*pos))&0xff);␊ |
677 | ␉␉␉␉␉␉␉dg = ((*(uint32_t *)(vram + bpp*pos))&0xff00)>>8;␊ |
678 | ␉␉␉␉␉␉␉dr = ((*(uint32_t *)(vram + bpp*pos))&0xff0000)>>16;␊ |
679 | ␉␉␉␉␉␉␉break;␊ |
680 | ␉␉␉␉␉␉case 16://16-bit seems to be 15-bit␊ |
681 | /*␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
682 | ␉␉␉␉␉␉␉dg = ((*(uint16_t *)(vram + bpp*pos))&0x07e0)>>3;␊ |
683 | ␉␉␉␉␉␉␉dr = ((*(uint16_t *)(vram + bpp*pos))&0xf800)>>8;␊ |
684 | ␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉*/␊ |
685 | ␉␉␉␉␉␉case 15:␊ |
686 | ␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
687 | ␉␉␉␉␉␉␉dg = ((*(uint16_t *)(vram + bpp*pos))&0x03e0)>>2;␊ |
688 | ␉␉␉␉␉␉␉dr = ((*(uint16_t *)(vram + bpp*pos))&0x7c00)>>7;␊ |
689 | ␉␉␉␉␉␉␉break;␉␉␊ |
690 | ␉␉␉␉␉␉default:␊ |
691 | ␉␉␉␉␉␉␉return;␊ |
692 | ␉␉␉␉␉}␊ |
693 | ␊ |
694 | ␉␉␉␉␉dr = (((sr - dr) * a) >> 8) + dr;␊ |
695 | ␉␉␉␉␉dg = (((sg - dg) * a) >> 8) + dg;␊ |
696 | ␉␉␉␉␉db = (((sb - db) * a) >> 8) + db;␊ |
697 | ␉␉␉␉␉switch (VIDEO (depth))␊ |
698 | ␉␉␉␉␉{␊ |
699 | ␉␉␉␉␉␉case 24:␊ |
700 | ␉␉␉␉␉␉␉*(uint32_t *)(vram + bpp*pos) = (*(uint32_t *)(vram + bpp*pos) &0xff000000)␊ |
701 | ␉␉␉␉␉␉␉| (db&0xff) | ((dg&0xff)<<8) | ((dr&0xff)<<16);␊ |
702 | ␉␉␉␉␉␉␉break;␊ |
703 | ␉␉␉␉␉␉case 16:␊ |
704 | //␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xfc)<<3) | ((dr&0xf8)<<8);␊ |
705 | //␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␊ |
706 | ␉␉␉␉␉␉case 15:␊ |
707 | ␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xf8)<<2) | ((dr&0xf8)<<7);␊ |
708 | ␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
709 | ␉␉␉␉␉}␊ |
710 | ␉␉␉␉␉␊ |
711 | ␉␉␉␉}␉␉␉␉␊ |
712 | ␉␉␉}␊ |
713 | ␉␉␉break;␊ |
714 | }␊ |
715 | vram += VIDEO(rowBytes);␊ |
716 | data += width * 4;␊ |
717 | }␊ |
718 | }␊ |
719 | ␊ |
720 | void drawCheckerBoard()␊ |
721 | {␊ |
722 | uint32_t *vram = (uint32_t *) VIDEO(baseAddr);␊ |
723 | uint16_t x, y;␊ |
724 | uint8_t color;␊ |
725 | ␊ |
726 | for (y = 0; y < VIDEO(height); y++, vram += VIDEO(width)) {␊ |
727 | for (x = 0; x < VIDEO(width); x++) {␊ |
728 | color = 204 + 51 * (((x / 8) % 2) == ((y / 8) % 2));␊ |
729 | vram[x] = (color << 16) | (color << 8) | color;␊ |
730 | }␊ |
731 | }␊ |
732 | }␊ |
733 | ␊ |
734 | //==========================================================================␊ |
735 | // LookUpCLUTIndex␊ |
736 | ␊ |
737 | unsigned long lookUpCLUTIndex( unsigned char index,␊ |
738 | unsigned char depth )␊ |
739 | {␊ |
740 | long result, red, green, blue;␊ |
741 | ␊ |
742 | red = appleClut8[index * 3 + 0];␊ |
743 | green = appleClut8[index * 3 + 1];␊ |
744 | blue = appleClut8[index * 3 + 2];␊ |
745 | ␊ |
746 | switch (depth) {␊ |
747 | case 16 :␊ |
748 | result = ((red & 0xF8) << 7) | ␊ |
749 | ((green & 0xF8) << 2) |␊ |
750 | ((blue & 0xF8) >> 3);␊ |
751 | result |= (result << 16);␊ |
752 | break;␊ |
753 | ␊ |
754 | case 32 :␊ |
755 | result = (red << 16) | (green << 8) | blue;␊ |
756 | break;␊ |
757 | ␊ |
758 | default :␊ |
759 | result = index | (index << 8);␊ |
760 | result |= (result << 16);␊ |
761 | break;␊ |
762 | }␊ |
763 | ␊ |
764 | return result;␊ |
765 | }␊ |
766 | ␊ |
767 | //==========================================================================␊ |
768 | // drawColorRectangle␊ |
769 | ␊ |
770 | void * stosl(void * dst, long val, long len)␊ |
771 | {␊ |
772 | asm volatile ( "rep; stosl"␊ |
773 | : "=c" (len), "=D" (dst)␊ |
774 | : "0" (len), "1" (dst), "a" (val)␊ |
775 | : "memory" );␊ |
776 | ␊ |
777 | return dst;␊ |
778 | }␊ |
779 | ␊ |
780 | void drawColorRectangle( unsigned short x,␊ |
781 | unsigned short y,␊ |
782 | unsigned short width,␊ |
783 | unsigned short height,␊ |
784 | unsigned char colorIndex )␊ |
785 | {␊ |
786 | long pixelBytes;␊ |
787 | long color = lookUpCLUTIndex( colorIndex, VIDEO(depth) );␊ |
788 | char * vram;␊ |
789 | ␊ |
790 | pixelBytes = VIDEO(depth) / 8;␊ |
791 | vram = (char *) VIDEO(baseAddr) +␊ |
792 | VIDEO(rowBytes) * y + pixelBytes * x;␊ |
793 | ␊ |
794 | width = MIN(width, VIDEO(width) - x);␊ |
795 | height = MIN(height, VIDEO(height) - y);␊ |
796 | ␊ |
797 | while ( height-- )␊ |
798 | {␊ |
799 | int rem = ( pixelBytes * width ) % 4;␊ |
800 | if ( rem ) bcopy( &color, vram, rem );␊ |
801 | stosl( vram + rem, color, pixelBytes * width / 4 );␊ |
802 | vram += VIDEO(rowBytes);␊ |
803 | }␊ |
804 | }␊ |
805 | ␊ |
806 | //==========================================================================␊ |
807 | // drawDataRectangle␊ |
808 | ␊ |
809 | void drawDataRectangle( unsigned short x,␊ |
810 | unsigned short y,␊ |
811 | unsigned short width,␊ |
812 | unsigned short height,␊ |
813 | unsigned char * data )␊ |
814 | {␊ |
815 | unsigned short drawWidth;␊ |
816 | long pixelBytes = VIDEO(depth) / 8;␊ |
817 | unsigned char * vram = (unsigned char *) VIDEO(baseAddr) +␊ |
818 | VIDEO(rowBytes) * y + pixelBytes * x;␊ |
819 | ␊ |
820 | drawWidth = MIN(width, VIDEO(width) - x);␊ |
821 | height = MIN(height, VIDEO(height) - y);␊ |
822 | while ( height-- ) {␊ |
823 | bcopy( data, vram, drawWidth * pixelBytes );␊ |
824 | vram += VIDEO(rowBytes);␊ |
825 | data += width * pixelBytes;␊ |
826 | }␊ |
827 | }␊ |
828 | ␊ |
829 | void␊ |
830 | loadImageScale (void *input, int iw, int ih, int ip, void *output, int ow, int oh, int op, int or)␊ |
831 | {␊ |
832 | ␉int x,y, off;␊ |
833 | ␉int red=0x7f, green=0x7f, blue=0x7f;␊ |
834 | ␉for (x=0;x<ow;x++)␊ |
835 | ␉␉for (y=0;y<oh;y++)␊ |
836 | ␉␉{␊ |
837 | ␉␉␉off=(x*iw)/ow+((y*ih)/oh)*iw;␊ |
838 | ␉␉␉switch (ip)␊ |
839 | ␉␉␉{␊ |
840 | ␉␉␉␉case 16:␊ |
841 | ␉␉␉␉{␊ |
842 | ␉␉␉␉␉uint16_t val;␊ |
843 | ␉␉␉␉␉val=((uint16_t *)input)[off];␊ |
844 | ␉␉␉␉␉red=(val>>7)&0xf8;␊ |
845 | ␉␉␉␉␉green=(val>>2)&0xf8;␊ |
846 | ␉␉␉␉␉blue=(val<<3)&0xf8;␊ |
847 | ␉␉␉␉␉break;␉␉␊ |
848 | ␉␉␉␉}␊ |
849 | ␉␉␉␉case 32:␊ |
850 | ␉␉␉␉{␊ |
851 | ␉␉␉␉␉uint32_t val;␊ |
852 | ␉␉␉␉␉val=((uint32_t *)input)[off];␊ |
853 | ␉␉␉␉␉red=(val>>16)&0xff;␊ |
854 | ␉␉␉␉␉green=(val>>8)&0xff;␊ |
855 | ␉␉␉␉␉blue=(val)&0xff;␊ |
856 | ␉␉␉␉␉break;␊ |
857 | ␉␉␉␉}␉␉␉␉␊ |
858 | ␉␉␉}␊ |
859 | ␉␉␉char *ptr=(char *)output+x*(op/8)+y*or;␊ |
860 | ␉␉␉switch (op)␊ |
861 | ␉␉␉{␊ |
862 | ␉␉␉␉case 16:␊ |
863 | ␉␉␉␉␉*((uint16_t *)ptr) = ((red & 0xF8) << 7) | ␊ |
864 | ␉␉␉␉␉((green & 0xF8) << 2) |␊ |
865 | ␉␉␉␉␉((blue & 0xF8) >> 3);␊ |
866 | ␉␉␉␉␉break;␊ |
867 | ␉␉␉␉case 32 :␊ |
868 | ␉␉␉␉␉*((uint32_t *)ptr) = (red << 16) | (green << 8) | blue;␊ |
869 | ␉␉␉␉␉break;␊ |
870 | ␉␉␉}␊ |
871 | ␉␉}␊ |
872 | }␊ |
873 | ␊ |
874 | DECLARE_IOHIBERNATEPROGRESSALPHA␊ |
875 | ␊ |
876 | void drawPreview(void *src, uint8_t * saveunder)␊ |
877 | {␊ |
878 | ␉uint8_t * screen;␊ |
879 | ␉uint32_t rowBytes, pixelShift;␊ |
880 | ␉uint32_t x, y;␊ |
881 | ␉int32_t blob;␊ |
882 | ␉uint32_t alpha, in, color, result;␊ |
883 | ␉uint8_t * out;␊ |
884 | ␉void *uncomp;␊ |
885 | ␉int origwidth, origheight, origbpx;␊ |
886 | ␉uint32_t saveindex[kIOHibernateProgressCount] = { 0 };␊ |
887 | ␉␉␊ |
888 | ␉if (src && (uncomp=DecompressData(src, &origwidth, &origheight, &origbpx)))␊ |
889 | ␉{␊ |
890 | ␉␉if (!setVESAGraphicsMode(origwidth, origheight, origbpx, 0))␊ |
891 | ␉␉␉if (initGraphicsMode () != errSuccess)␊ |
892 | ␉␉␉␉return;␊ |
893 | ␉␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
894 | ␉␉rowBytes = VIDEO (rowBytes);␊ |
895 | ␉␉loadImageScale (uncomp, origwidth, origheight, origbpx, screen, VIDEO(width), VIDEO(height), VIDEO(depth), VIDEO (rowBytes));␊ |
896 | ␉}␊ |
897 | ␉else␊ |
898 | ␉{␊ |
899 | ␉␉if (initGraphicsMode () != errSuccess)␊ |
900 | ␉␉␉return;␊ |
901 | ␉␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
902 | ␉␉rowBytes = VIDEO (rowBytes);␊ |
903 | ␉␉// Set the screen to 75% grey.␊ |
904 | drawColorRectangle(0, 0, VIDEO(width), VIDEO(height), 0x01 /* color index */);␊ |
905 | ␉}␊ |
906 | ␉␊ |
907 | ␉␊ |
908 | ␉pixelShift = VIDEO (depth) >> 4;␊ |
909 | ␉if (pixelShift < 1) return;␊ |
910 | ␉␊ |
911 | ␉screen += ((VIDEO (width) ␊ |
912 | ␉␉␉␉- kIOHibernateProgressCount * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << (pixelShift - 1))␊ |
913 | ␉+ (VIDEO (height) - kIOHibernateProgressOriginY - kIOHibernateProgressHeight) * rowBytes;␊ |
914 | ␉␊ |
915 | ␉for (y = 0; y < kIOHibernateProgressHeight; y++)␊ |
916 | ␉{␊ |
917 | ␉␉out = screen + y * rowBytes;␊ |
918 | ␉␉for (blob = 0; blob < kIOHibernateProgressCount; blob++)␊ |
919 | ␉␉{␊ |
920 | ␉␉␉color = blob ? kIOHibernateProgressDarkGray : kIOHibernateProgressMidGray;␊ |
921 | ␉␉␉for (x = 0; x < kIOHibernateProgressWidth; x++)␊ |
922 | ␉␉␉{␊ |
923 | ␉␉␉␉alpha = gIOHibernateProgressAlpha[y][x];␊ |
924 | ␉␉␉␉result = color;␊ |
925 | ␉␉␉␉if (alpha)␊ |
926 | ␉␉␉␉{␊ |
927 | ␉␉␉␉␉if (0xff != alpha)␊ |
928 | ␉␉␉␉␉{␊ |
929 | ␉␉␉␉␉␉if (1 == pixelShift)␊ |
930 | ␉␉␉␉␉␉{␊ |
931 | ␉␉␉␉␉␉␉in = *((uint16_t *)out) & 0x1f;␉// 16␊ |
932 | ␉␉␉␉␉␉␉in = (in << 3) | (in >> 2);␊ |
933 | ␉␉␉␉␉␉}␊ |
934 | ␉␉␉␉␉␉else␊ |
935 | ␉␉␉␉␉␉␉in = *((uint32_t *)out) & 0xff;␉// 32␊ |
936 | ␉␉␉␉␉␉saveunder[blob * kIOHibernateProgressSaveUnderSize + saveindex[blob]++] = in;␊ |
937 | ␉␉␉␉␉␉result = ((255 - alpha) * in + alpha * result + 0xff) >> 8;␊ |
938 | ␉␉␉␉␉}␊ |
939 | ␉␉␉␉␉if (1 == pixelShift)␊ |
940 | ␉␉␉␉␉{␊ |
941 | ␉␉␉␉␉␉result >>= 3;␊ |
942 | ␉␉␉␉␉␉*((uint16_t *)out) = (result << 10) | (result << 5) | result;␉// 16␊ |
943 | ␉␉␉␉␉}␊ |
944 | ␉␉␉␉␉else␊ |
945 | ␉␉␉␉␉␉*((uint32_t *)out) = (result << 16) | (result << 8) | result;␉// 32␊ |
946 | ␉␉␉␉}␊ |
947 | ␉␉␉␉out += (1 << pixelShift);␊ |
948 | ␉␉␉}␊ |
949 | ␉␉␉out += (kIOHibernateProgressSpacing << pixelShift);␊ |
950 | ␉␉}␊ |
951 | ␉}␊ |
952 | }␊ |
953 | ␊ |
954 | void updateProgressBar(uint8_t * saveunder, int32_t firstBlob, int32_t select)␊ |
955 | {␊ |
956 | ␉uint8_t * screen;␊ |
957 | ␉uint32_t rowBytes, pixelShift;␊ |
958 | ␉uint32_t x, y;␊ |
959 | ␉int32_t blob, lastBlob;␊ |
960 | ␉uint32_t alpha, in, color, result;␊ |
961 | ␉uint8_t * out;␊ |
962 | ␉uint32_t saveindex[kIOHibernateProgressCount] = { 0 };␊ |
963 | ␉␊ |
964 | ␉pixelShift = VIDEO(depth) >> 4;␊ |
965 | ␉if (pixelShift < 1) return;␊ |
966 | ␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
967 | ␉rowBytes = VIDEO (rowBytes);␊ |
968 | ␉␊ |
969 | ␉screen += ((VIDEO (width) ␊ |
970 | ␉␉␉␉- kIOHibernateProgressCount * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << (pixelShift - 1))␊ |
971 | ␉+ (VIDEO (height) - kIOHibernateProgressOriginY - kIOHibernateProgressHeight) * rowBytes;␊ |
972 | ␉␊ |
973 | ␉lastBlob = (select < kIOHibernateProgressCount) ? select : (kIOHibernateProgressCount - 1);␊ |
974 | ␉␊ |
975 | ␉screen += (firstBlob * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << pixelShift;␊ |
976 | ␉␊ |
977 | ␉for (y = 0; y < kIOHibernateProgressHeight; y++)␊ |
978 | ␉{␊ |
979 | ␉␉out = screen + y * rowBytes;␊ |
980 | ␉␉for (blob = firstBlob; blob <= lastBlob; blob++)␊ |
981 | ␉␉{␊ |
982 | ␉␉␉color = (blob < select) ? kIOHibernateProgressLightGray : kIOHibernateProgressMidGray;␊ |
983 | ␉␉␉for (x = 0; x < kIOHibernateProgressWidth; x++)␊ |
984 | ␉␉␉{␊ |
985 | ␉␉␉␉alpha = gIOHibernateProgressAlpha[y][x];␊ |
986 | ␉␉␉␉result = color;␊ |
987 | ␉␉␉␉if (alpha)␊ |
988 | ␉␉␉␉{␊ |
989 | ␉␉␉␉␉if (0xff != alpha)␊ |
990 | ␉␉␉␉␉{␊ |
991 | ␉␉␉␉␉␉in = saveunder[blob * kIOHibernateProgressSaveUnderSize + saveindex[blob]++];␊ |
992 | ␉␉␉␉␉␉result = ((255 - alpha) * in + alpha * result + 0xff) / 255;␊ |
993 | ␉␉␉␉␉}␊ |
994 | ␉␉␉␉␉if (1 == pixelShift)␊ |
995 | ␉␉␉␉␉{␊ |
996 | ␉␉␉␉␉␉result >>= 3;␊ |
997 | ␉␉␉␉␉␉*((uint16_t *)out) = (result << 10) | (result << 5) | result;␉// 16␊ |
998 | ␉␉␉␉␉}␊ |
999 | ␉␉␉␉␉else␊ |
1000 | ␉␉␉␉␉␉*((uint32_t *)out) = (result << 16) | (result << 8) | result;␉// 32␊ |
1001 | ␉␉␉␉}␊ |
1002 | ␉␉␉␉out += (1 << pixelShift);␊ |
1003 | ␉␉␉}␊ |
1004 | ␉␉␉out += (kIOHibernateProgressSpacing << pixelShift);␊ |
1005 | ␉␉}␊ |
1006 | ␉}␊ |
1007 | }␊ |
1008 | ␊ |
1009 | ␊ |
1010 | //==========================================================================␊ |
1011 | // setVESATextMode␊ |
1012 | ␊ |
1013 | static int␊ |
1014 | setVESATextMode( unsigned short cols,␊ |
1015 | unsigned short rows,␊ |
1016 | unsigned char bitsPerPixel )␊ |
1017 | {␊ |
1018 | VBEModeInfoBlock minfo;␊ |
1019 | unsigned short mode = modeEndOfList;␊ |
1020 | ␊ |
1021 | if ( (cols != 80) || (rows != 25) ) // not 80x25 mode␊ |
1022 | {␊ |
1023 | mode = getVESAModeWithProperties( cols, rows, bitsPerPixel,␊ |
1024 | maColorModeBit |␊ |
1025 | maModeIsSupportedBit,␊ |
1026 | maGraphicsModeBit,␊ |
1027 | &minfo, NULL );␊ |
1028 | }␊ |
1029 | ␊ |
1030 | if ( ( mode == modeEndOfList ) || ( setVBEMode(mode, NULL) != errSuccess ) )␊ |
1031 | {␊ |
1032 | video_mode( 2 ); // VGA BIOS, 80x25 text mode.␊ |
1033 | minfo.XResolution = 80;␊ |
1034 | minfo.YResolution = 25;␊ |
1035 | }␊ |
1036 | ␊ |
1037 | // Update KernBootStruct using info provided by the selected␊ |
1038 | // VESA mode.␊ |
1039 | ␊ |
1040 | bootArgs->Video.v_display = VGA_TEXT_MODE;␊ |
1041 | bootArgs->Video.v_baseAddr = 0xb8000;␊ |
1042 | bootArgs->Video.v_width = minfo.XResolution;␊ |
1043 | bootArgs->Video.v_height = minfo.YResolution;␊ |
1044 | bootArgs->Video.v_depth = 8;␊ |
1045 | bootArgs->Video.v_rowBytes = 0x8000;␊ |
1046 | ␊ |
1047 | return errSuccess; // always return success␊ |
1048 | }␊ |
1049 | ␊ |
1050 | //==========================================================================␊ |
1051 | // getNumberArrayFromProperty␊ |
1052 | ␊ |
1053 | //static Azi:autoresolution␊ |
1054 | int getNumberArrayFromProperty( const char * propKey,␊ |
1055 | unsigned long numbers[],␊ |
1056 | unsigned long maxArrayCount )␊ |
1057 | {␊ |
1058 | char * propStr;␊ |
1059 | unsigned long count = 0;␊ |
1060 | ␊ |
1061 | propStr = newStringForKey( (char *) propKey , &bootInfo->bootConfig );␊ |
1062 | if ( propStr )␊ |
1063 | {␊ |
1064 | char * delimiter = propStr;␊ |
1065 | char * p = propStr;␊ |
1066 | ␊ |
1067 | while ( count < maxArrayCount && *p != '\0' )␊ |
1068 | {␊ |
1069 | unsigned long val = strtoul( p, &delimiter, 10 );␊ |
1070 | if ( p != delimiter )␊ |
1071 | {␊ |
1072 | numbers[count++] = val;␊ |
1073 | p = delimiter;␊ |
1074 | }␊ |
1075 | while ( ( *p != '\0' ) && !isdigit(*p) )␊ |
1076 | p++;␊ |
1077 | }␊ |
1078 | ␊ |
1079 | free( propStr );␊ |
1080 | }␊ |
1081 | ␊ |
1082 | return count;␊ |
1083 | }␊ |
1084 | ␊ |
1085 | int initGraphicsMode ()␊ |
1086 | {␊ |
1087 | unsigned long params[4];␊ |
1088 | int count;␊ |
1089 | ␊ |
1090 | params[3] = 0;␊ |
1091 | count = getNumberArrayFromProperty( kGraphicsModeKey, params, 4 );␊ |
1092 | ␊ |
1093 | // Try to find a resolution if "Graphics Mode" setting is not available.␊ |
1094 | if ( count < 3 )␊ |
1095 | {␊ |
1096 | // Use the default resolution if we don't have an initialized GUI.␊ |
1097 | if (gui.screen.width == 0 || gui.screen.height == 0)␊ |
1098 | {␊ |
1099 | gui.screen.width = DEFAULT_SCREEN_WIDTH;␉␊ |
1100 | gui.screen.height = DEFAULT_SCREEN_HEIGHT;␊ |
1101 | }␊ |
1102 | ␊ |
1103 | params[0] = gui.screen.width;␊ |
1104 | params[1] = gui.screen.height;␊ |
1105 | params[2] = 32;␊ |
1106 | }␊ |
1107 | ␊ |
1108 | // Map from pixel format to bits per pixel.␊ |
1109 | ␊ |
1110 | if ( params[2] == 256 ) params[2] = 8;␊ |
1111 | if ( params[2] == 555 ) params[2] = 16;␊ |
1112 | if ( params[2] == 888 ) params[2] = 32;␊ |
1113 | ␊ |
1114 | ␉return setVESAGraphicsMode( params[0], params[1], params[2], params[3] );␉␊ |
1115 | }␊ |
1116 | ␊ |
1117 | //==========================================================================␊ |
1118 | // setVideoMode␊ |
1119 | //␊ |
1120 | // Set the video mode to VGA_TEXT_MODE or GRAPHICS_MODE.␊ |
1121 | ␊ |
1122 | void␊ |
1123 | setVideoMode( int mode, int drawgraphics)␊ |
1124 | {␊ |
1125 | unsigned long params[4];␊ |
1126 | int count;␊ |
1127 | int err = errSuccess;␊ |
1128 | ␊ |
1129 | if ( mode == GRAPHICS_MODE )␊ |
1130 | {␊ |
1131 | ␉␉if ( (err=initGraphicsMode ()) == errSuccess ) {␊ |
1132 | if (gVerboseMode) {␊ |
1133 | // Tell the kernel to use text mode on a linear frame buffer display␊ |
1134 | bootArgs->Video.v_display = FB_TEXT_MODE;␊ |
1135 | } else {␊ |
1136 | bootArgs->Video.v_display = GRAPHICS_MODE;␊ |
1137 | }␊ |
1138 | }␊ |
1139 | }␊ |
1140 | ␊ |
1141 | if ( (mode == VGA_TEXT_MODE) || (err != errSuccess) )␊ |
1142 | {␊ |
1143 | count = getNumberArrayFromProperty( kTextModeKey, params, 2 );␊ |
1144 | if ( count < 2 )␊ |
1145 | {␊ |
1146 | params[0] = 80; // Default text mode is 80x25.␊ |
1147 | params[1] = 25;␊ |
1148 | }␊ |
1149 | ␊ |
1150 | ␉␉setVESATextMode( params[0], params[1], 4 );␊ |
1151 | bootArgs->Video.v_display = VGA_TEXT_MODE;␊ |
1152 | }␊ |
1153 | ␊ |
1154 | currentIndicator = 0;␊ |
1155 | }␊ |
1156 | ␊ |
1157 | void getGraphicModeParams(unsigned long params[]) {␊ |
1158 | ␊ |
1159 | ␉params[3] = 0;␊ |
1160 | ␊ |
1161 | ␉VBEModeInfoBlock minfo;␊ |
1162 | ␊ |
1163 | unsigned short vesaVersion;␊ |
1164 | unsigned short mode = modeEndOfList;␊ |
1165 | ␉␊ |
1166 | ␉getNumberArrayFromProperty( kGraphicsModeKey, params, 4);␊ |
1167 | ␊ |
1168 | ␉mode = getVESAModeWithProperties( params[0], params[1], params[2],␊ |
1169 | ␉␉␉␉␉␉␉␉␉ maColorModeBit |␊ |
1170 | ␉␉␉␉␉␉␉␉␉ maModeIsSupportedBit |␊ |
1171 | ␉␉␉␉␉␉␉␉␉ maGraphicsModeBit |␊ |
1172 | ␉␉␉␉␉␉␉␉␉ maLinearFrameBufferAvailBit,␊ |
1173 | ␉␉␉␉␉␉␉␉␉ 0,␊ |
1174 | ␉␉␉␉␉␉␉␉␉ &minfo, &vesaVersion );␊ |
1175 | ␉␊ |
1176 | ␉params[0] = minfo.XResolution;␊ |
1177 | ␉params[1] = minfo.YResolution;␊ |
1178 | ␉params[2] = 32;␊ |
1179 | }␊ |
1180 | ␉␊ |
1181 | //==========================================================================␊ |
1182 | // Return the current video mode, VGA_TEXT_MODE or GRAPHICS_MODE.␊ |
1183 | ␊ |
1184 | int getVideoMode(void)␊ |
1185 | {␊ |
1186 | return bootArgs->Video.v_display;␊ |
1187 | }␊ |
1188 | ␊ |
1189 | //==========================================================================␊ |
1190 | // Display and clear the activity indicator.␊ |
1191 | ␊ |
1192 | static char indicator[] = {'-', '\\', '|', '/', '-', '\\', '|', '/', '\0'};␊ |
1193 | ␊ |
1194 | // To prevent a ridiculously fast-spinning indicator,␊ |
1195 | // ensure a minimum of 1/9 sec between animation frames.␊ |
1196 | #define MIN_TICKS 2␊ |
1197 | ␊ |
1198 | void␊ |
1199 | spinActivityIndicator(int sectors)␊ |
1200 | {␊ |
1201 | static unsigned long lastTickTime = 0, currentTickTime;␊ |
1202 | ␊ |
1203 | ␉if (previewTotalSectors && previewSaveunder)␊ |
1204 | ␉{␊ |
1205 | ␉␉int blob, lastBlob;␊ |
1206 | ␊ |
1207 | ␉␉lastBlob = (previewLoadedSectors * kIOHibernateProgressCount) / previewTotalSectors;␊ |
1208 | ␉␉previewLoadedSectors+=sectors;␊ |
1209 | ␉␉blob = (previewLoadedSectors * kIOHibernateProgressCount) / previewTotalSectors;␊ |
1210 | ␉␉␊ |
1211 | ␉␉if (blob!=lastBlob)␊ |
1212 | ␉␉␉updateProgressBar (previewSaveunder, lastBlob, blob);␊ |
1213 | ␉␉return;␊ |
1214 | ␉}␊ |
1215 | ␊ |
1216 | ␉currentTickTime = time18(); // late binding␊ |
1217 | ␉if (currentTickTime < lastTickTime + MIN_TICKS)␊ |
1218 | ␉{␊ |
1219 | ␉␉return;␊ |
1220 | ␉}␊ |
1221 | ␉else␊ |
1222 | ␉{␊ |
1223 | ␉␉lastTickTime = currentTickTime;␊ |
1224 | ␉}␊ |
1225 | ␉␊ |
1226 | ␉if (getVideoMode() == VGA_TEXT_MODE)␊ |
1227 | ␉{␊ |
1228 | ␉␉if (currentIndicator >= sizeof(indicator))␊ |
1229 | ␉␉{␊ |
1230 | ␉␉␉currentIndicator = 0;␊ |
1231 | ␉␉}␊ |
1232 | ␉␉putchar(indicator[currentIndicator++]);␊ |
1233 | ␉␉putchar('\b');␊ |
1234 | ␉}␊ |
1235 | }␊ |
1236 | ␊ |
1237 | void␊ |
1238 | clearActivityIndicator( void )␊ |
1239 | {␊ |
1240 | if ( getVideoMode() == VGA_TEXT_MODE )␊ |
1241 | {␊ |
1242 | ␉␉putchar(' ');␊ |
1243 | ␉␉putchar('\b');␊ |
1244 | }␊ |
1245 | }␊ |
1246 | ␊ |
1247 | |