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 | ␊ |
35 | /*␊ |
36 | * for spinning disk␊ |
37 | */␊ |
38 | static int currentIndicator = 0;␊ |
39 | ␊ |
40 | int previewTotalSectors = 0;␊ |
41 | int previewLoadedSectors = 0;␊ |
42 | uint8_t *previewSaveunder = 0;␊ |
43 | ␊ |
44 | #define VIDEO(x) (bootArgs->Video.v_ ## x)␊ |
45 | ␊ |
46 | //==========================================================================␊ |
47 | // getVBEVideoRam␊ |
48 | ␊ |
49 | uint32_t getVBEVideoRam()␊ |
50 | {␊ |
51 | ␉VBEInfoBlock vbeInfo;␊ |
52 | ␉int err, small;␊ |
53 | ␉char *buff = malloc(sizeof(char)*256);␊ |
54 | ␉if(!buff) return 0;␊ |
55 | ␉␊ |
56 | ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
57 | ␉strcpy( (char*)&vbeInfo, "VBE2" );␊ |
58 | ␉err = getVBEInfo( &vbeInfo );␊ |
59 | ␉if (err != errSuccess)␊ |
60 | ␉␉return 0;␊ |
61 | ␉␊ |
62 | ␉if ( strncmp( (char *)vbeInfo.VESASignature, "VESA", 4 ) )␊ |
63 | ␉␉return 0;␊ |
64 | ␉␊ |
65 | ␉small = (vbeInfo.TotalMemory < 16);␊ |
66 | ␉␊ |
67 | ␉return vbeInfo.TotalMemory * 64 * 1024;␊ |
68 | }␊ |
69 | ␊ |
70 | //==========================================================================␊ |
71 | // getVBEInfoString␊ |
72 | ␊ |
73 | char *getVBEInfoString()␊ |
74 | {␊ |
75 | ␉VBEInfoBlock vbeInfo;␊ |
76 | ␉int err, small;␊ |
77 | ␉char *buff = malloc(sizeof(char)*256);␊ |
78 | ␉if(!buff) return 0;␊ |
79 | ␉␊ |
80 | ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
81 | ␉strcpy( (char*)&vbeInfo, "VBE2" );␊ |
82 | ␉err = getVBEInfo( &vbeInfo );␊ |
83 | ␉if (err != errSuccess)␊ |
84 | ␉␉return 0;␊ |
85 | ␉␊ |
86 | ␉if ( strncmp( (char *)vbeInfo.VESASignature, "VESA", 4 ) )␊ |
87 | ␉␉return 0;␊ |
88 | ␉␊ |
89 | ␉small = (vbeInfo.TotalMemory < 16);␊ |
90 | ␉␊ |
91 | ␉sprintf(buff, "VESA v%d.%d %d%s (%s)\n",␊ |
92 | vbeInfo.VESAVersion >> 8,␊ |
93 | vbeInfo.VESAVersion & 0xf,␊ |
94 | small ? (vbeInfo.TotalMemory * 64) : (vbeInfo.TotalMemory / 16),␊ |
95 | small ? "KB" : "MB",␊ |
96 | VBEDecodeFP(const char *, vbeInfo.OEMStringPtr) );␊ |
97 | ␊ |
98 | ␉return buff;␊ |
99 | }␊ |
100 | ␊ |
101 | //==========================================================================␊ |
102 | //␊ |
103 | ␊ |
104 | void ␊ |
105 | printVBEModeInfo()␊ |
106 | {␊ |
107 | VBEInfoBlock vbeInfo;␊ |
108 | unsigned short * modePtr;␊ |
109 | VBEModeInfoBlock modeInfo;␊ |
110 | int err;␊ |
111 | int line;␊ |
112 | ␊ |
113 | ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
114 | strcpy( (char*)&vbeInfo, "VBE2" );␊ |
115 | err = getVBEInfo( &vbeInfo );␊ |
116 | if ( err != errSuccess )␊ |
117 | return;␊ |
118 | ␊ |
119 | line = 0;␊ |
120 | ␊ |
121 | // Activate and clear page 1␊ |
122 | setActiveDisplayPage(1);␊ |
123 | clearScreenRows(0, 24);␊ |
124 | setCursorPosition( 0, 0, 1 );␊ |
125 | ␊ |
126 | printf( getVBEInfoString() );␊ |
127 | ␉printf("Video modes supported:\n", VBEDecodeFP(const char *, vbeInfo.OEMStringPtr));␊ |
128 | ␊ |
129 | // Loop through the mode list, and find the matching mode.␊ |
130 | ␊ |
131 | for ( modePtr = VBEDecodeFP( unsigned short *, vbeInfo.VideoModePtr );␊ |
132 | *modePtr != modeEndOfList; modePtr++ )␊ |
133 | {␊ |
134 | // Get mode information.␊ |
135 | ␊ |
136 | bzero( &modeInfo, sizeof(modeInfo) );␊ |
137 | err = getVBEModeInfo( *modePtr, &modeInfo );␊ |
138 | if ( err != errSuccess )␊ |
139 | {␊ |
140 | continue;␊ |
141 | }␊ |
142 | ␊ |
143 | printf("Mode %x: %dx%dx%d mm:%d attr:%x\n",␊ |
144 | *modePtr, modeInfo.XResolution, modeInfo.YResolution,␊ |
145 | modeInfo.BitsPerPixel, modeInfo.MemoryModel,␊ |
146 | modeInfo.ModeAttributes);␊ |
147 | ␊ |
148 | if (line++ >= 20) {␊ |
149 | pause();␊ |
150 | line = 0;␊ |
151 | clearScreenRows(0, 24);␊ |
152 | setCursorPosition( 0, 0, 1 );␊ |
153 | }␊ |
154 | } ␊ |
155 | if (line != 0) {␊ |
156 | pause();␊ |
157 | }␊ |
158 | setActiveDisplayPage(0);␊ |
159 | }␊ |
160 | ␊ |
161 | char *getVBEModeInfoString()␊ |
162 | {␊ |
163 | ␉VBEInfoBlock vbeInfo;␊ |
164 | unsigned short * modePtr;␊ |
165 | VBEModeInfoBlock modeInfo;␊ |
166 | int err;␊ |
167 | ␊ |
168 | ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
169 | strcpy( (char*)&vbeInfo, "VBE2" );␊ |
170 | err = getVBEInfo( &vbeInfo );␊ |
171 | if ( err != errSuccess )␊ |
172 | return 0;␊ |
173 | ␉␊ |
174 | ␉char *buff=malloc(sizeof(char)*3072);␊ |
175 | ␉if(!buff) return 0;␊ |
176 | ␊ |
177 | ␉// Loop through the mode list, and find the matching mode.␊ |
178 | for ( modePtr = VBEDecodeFP( unsigned short *, vbeInfo.VideoModePtr );␊ |
179 | *modePtr != modeEndOfList; modePtr++ )␊ |
180 | {␊ |
181 | // Get mode information.␊ |
182 | ␊ |
183 | bzero( &modeInfo, sizeof(modeInfo) );␊ |
184 | err = getVBEModeInfo( *modePtr, &modeInfo );␊ |
185 | if ( err != errSuccess )␊ |
186 | {␊ |
187 | continue;␊ |
188 | }␊ |
189 | ␊ |
190 | sprintf(buff+strlen(buff), "Mode %x: %dx%dx%d mm:%d attr:%x\n",␊ |
191 | *modePtr, modeInfo.XResolution, modeInfo.YResolution,␊ |
192 | modeInfo.BitsPerPixel, modeInfo.MemoryModel,␊ |
193 | modeInfo.ModeAttributes);␊ |
194 | ␊ |
195 | } ␊ |
196 | ␉return buff;␊ |
197 | }␊ |
198 | ␊ |
199 | //==========================================================================␊ |
200 | // getVESAModeWithProperties␊ |
201 | //␊ |
202 | // Return the VESA mode that matches the properties specified.␊ |
203 | // If a mode is not found, then return the "best" available mode.␊ |
204 | ␊ |
205 | static unsigned short␊ |
206 | getVESAModeWithProperties( unsigned short width,␊ |
207 | unsigned short height,␊ |
208 | unsigned char bitsPerPixel,␊ |
209 | unsigned short attributesSet,␊ |
210 | unsigned short attributesClear,␊ |
211 | VBEModeInfoBlock * outModeInfo,␊ |
212 | unsigned short * vesaVersion )␊ |
213 | {␊ |
214 | VBEInfoBlock vbeInfo;␊ |
215 | unsigned short * modePtr;␊ |
216 | VBEModeInfoBlock modeInfo;␊ |
217 | unsigned char modeBitsPerPixel;␊ |
218 | unsigned short matchedMode = modeEndOfList;␊ |
219 | int err;␊ |
220 | ␊ |
221 | // Clear output mode info.␊ |
222 | ␊ |
223 | bzero( outModeInfo, sizeof(*outModeInfo) );␊ |
224 | ␊ |
225 | // Get VBE controller info containing the list of supported modes.␊ |
226 | ␊ |
227 | bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
228 | strcpy( (char*)&vbeInfo, "VBE2" );␊ |
229 | err = getVBEInfo( &vbeInfo );␊ |
230 | if ( err != errSuccess )␊ |
231 | {␊ |
232 | return modeEndOfList;␊ |
233 | }␊ |
234 | ␊ |
235 | // Report the VESA major/minor version number.␊ |
236 | ␊ |
237 | if (vesaVersion) *vesaVersion = vbeInfo.VESAVersion;␊ |
238 | ␊ |
239 | // Loop through the mode list, and find the matching mode.␊ |
240 | ␊ |
241 | for ( modePtr = VBEDecodeFP( unsigned short *, vbeInfo.VideoModePtr );␊ |
242 | *modePtr != modeEndOfList; modePtr++ )␊ |
243 | {␊ |
244 | // Get mode information.␊ |
245 | ␊ |
246 | bzero( &modeInfo, sizeof(modeInfo) );␊ |
247 | err = getVBEModeInfo( *modePtr, &modeInfo );␊ |
248 | if ( err != errSuccess )␊ |
249 | {␊ |
250 | continue;␊ |
251 | }␊ |
252 | ␊ |
253 | #if DEBUG␊ |
254 | printf("Mode %x: %dx%dx%d mm:%d attr:%x\n",␊ |
255 | *modePtr, modeInfo.XResolution, modeInfo.YResolution,␊ |
256 | modeInfo.BitsPerPixel, modeInfo.MemoryModel,␊ |
257 | modeInfo.ModeAttributes);␊ |
258 | #endif␊ |
259 | ␊ |
260 | // Filter out unwanted modes based on mode attributes.␊ |
261 | ␊ |
262 | if ( ( ( modeInfo.ModeAttributes & attributesSet ) != attributesSet )␊ |
263 | || ( ( modeInfo.ModeAttributes & attributesClear ) != 0 ) )␊ |
264 | {␊ |
265 | continue;␊ |
266 | }␊ |
267 | ␊ |
268 | // Pixel depth in bits.␊ |
269 | ␊ |
270 | modeBitsPerPixel = modeInfo.BitsPerPixel;␊ |
271 | ␊ |
272 | if ( ( modeBitsPerPixel == 4 ) && ( modeInfo.MemoryModel == 0 ) )␊ |
273 | {␊ |
274 | // Text mode, 16 colors.␊ |
275 | }␊ |
276 | else if ( ( modeBitsPerPixel == 8 ) && ( modeInfo.MemoryModel == 4 ) )␊ |
277 | {␊ |
278 | // Packed pixel, 256 colors.␊ |
279 | }␊ |
280 | else if ( ( ( modeBitsPerPixel == 16 ) || ( modeBitsPerPixel == 15 ) )␊ |
281 | && ( modeInfo.MemoryModel == 6 )␊ |
282 | && ( modeInfo.RedMaskSize == 5 )␊ |
283 | && ( modeInfo.GreenMaskSize == 5 )␊ |
284 | && ( modeInfo.BlueMaskSize == 5 ) )␊ |
285 | {␊ |
286 | // Direct color, 16 bpp (1:5:5:5).␊ |
287 | modeInfo.BitsPerPixel = modeBitsPerPixel = 16;␊ |
288 | }␊ |
289 | else if ( ( modeBitsPerPixel == 32 )␊ |
290 | && ( modeInfo.MemoryModel == 6 )␊ |
291 | && ( modeInfo.RedMaskSize == 8 )␊ |
292 | && ( modeInfo.GreenMaskSize == 8 )␊ |
293 | && ( modeInfo.BlueMaskSize == 8 ) )␊ |
294 | {␊ |
295 | // Direct color, 32 bpp (8:8:8:8).␊ |
296 | }␊ |
297 | else␊ |
298 | {␊ |
299 | continue; // Not a supported mode.␊ |
300 | }␊ |
301 | ␊ |
302 | // Modes larger than the specified dimensions are skipped.␊ |
303 | ␊ |
304 | if ( ( modeInfo.XResolution > width ) ||␊ |
305 | ( modeInfo.YResolution > height ) )␊ |
306 | {␊ |
307 | continue;␊ |
308 | }␊ |
309 | ␊ |
310 | // Perfect match, we're done looking.␊ |
311 | ␊ |
312 | if ( ( modeInfo.XResolution == width ) &&␊ |
313 | ( modeInfo.YResolution == height ) &&␊ |
314 | ( modeBitsPerPixel == bitsPerPixel ) )␊ |
315 | {␊ |
316 | matchedMode = *modePtr;␊ |
317 | bcopy( &modeInfo, outModeInfo, sizeof(modeInfo) );␊ |
318 | break;␊ |
319 | }␊ |
320 | ␊ |
321 | // Save the next "best" mode in case a perfect match is not found.␊ |
322 | ␊ |
323 | if ( modeInfo.XResolution == outModeInfo->XResolution &&␊ |
324 | modeInfo.YResolution == outModeInfo->YResolution &&␊ |
325 | modeBitsPerPixel <= outModeInfo->BitsPerPixel )␊ |
326 | {␊ |
327 | continue; // Saved mode has more depth.␊ |
328 | }␊ |
329 | if ( modeInfo.XResolution < outModeInfo->XResolution ||␊ |
330 | modeInfo.YResolution < outModeInfo->YResolution ||␊ |
331 | modeBitsPerPixel < outModeInfo->BitsPerPixel )␊ |
332 | {␊ |
333 | continue; // Saved mode has more resolution.␊ |
334 | }␊ |
335 | ␊ |
336 | matchedMode = *modePtr;␊ |
337 | bcopy( &modeInfo, outModeInfo, sizeof(modeInfo) );␊ |
338 | }␊ |
339 | ␊ |
340 | return matchedMode;␊ |
341 | }␊ |
342 | ␊ |
343 | //==========================================================================␊ |
344 | // setupPalette␊ |
345 | ␊ |
346 | static void setupPalette( VBEPalette * p, const unsigned char * g )␊ |
347 | {␊ |
348 | int i;␊ |
349 | unsigned char * source = (unsigned char *) g;␊ |
350 | ␊ |
351 | for (i = 0; i < 256; i++)␊ |
352 | {␊ |
353 | (*p)[i] = 0;␊ |
354 | (*p)[i] |= ((unsigned long)((*source++) >> 2)) << 16; // Red␊ |
355 | (*p)[i] |= ((unsigned long)((*source++) >> 2)) << 8; // Green␊ |
356 | (*p)[i] |= ((unsigned long)((*source++) >> 2)); // Blue␊ |
357 | }␊ |
358 | }␊ |
359 | ␊ |
360 | //==========================================================================␊ |
361 | // Simple decompressor for boot images encoded in RLE format.␊ |
362 | ␊ |
363 | char * decodeRLE( const void * rleData, int rleBlocks, int outBytes )␊ |
364 | {␊ |
365 | char *out, *cp;␊ |
366 | ␊ |
367 | struct RLEBlock {␊ |
368 | unsigned char count;␊ |
369 | unsigned char value;␊ |
370 | } * bp = (struct RLEBlock *) rleData;␊ |
371 | ␊ |
372 | out = cp = malloc( outBytes );␊ |
373 | if ( out == NULL ) return NULL;␊ |
374 | ␊ |
375 | while ( rleBlocks-- )␊ |
376 | {␊ |
377 | memset( cp, bp->value, bp->count );␊ |
378 | cp += bp->count;␊ |
379 | bp++;␊ |
380 | }␊ |
381 | ␊ |
382 | return out;␊ |
383 | }␊ |
384 | ␊ |
385 | //==========================================================================␊ |
386 | // setVESAGraphicsMode␊ |
387 | ␊ |
388 | static int␊ |
389 | setVESAGraphicsMode( unsigned short width,␊ |
390 | unsigned short height,␊ |
391 | unsigned char bitsPerPixel,␊ |
392 | unsigned short refreshRate )␊ |
393 | {␊ |
394 | VBEModeInfoBlock minfo;␊ |
395 | unsigned short mode;␊ |
396 | unsigned short vesaVersion;␊ |
397 | int err = errFuncNotSupported;␊ |
398 | ␊ |
399 | do {␊ |
400 | mode = getVESAModeWithProperties( width, height, bitsPerPixel,␊ |
401 | maColorModeBit |␊ |
402 | maModeIsSupportedBit |␊ |
403 | maGraphicsModeBit |␊ |
404 | maLinearFrameBufferAvailBit,␊ |
405 | 0,␊ |
406 | &minfo, &vesaVersion );␊ |
407 | if ( mode == modeEndOfList )␊ |
408 | {␊ |
409 | break;␊ |
410 | }␊ |
411 | ␊ |
412 | //␊ |
413 | // FIXME : generateCRTCTiming() causes crash.␊ |
414 | //␊ |
415 | ␊ |
416 | // if ( (vesaVersion >> 8) >= 3 && refreshRate >= 60 &&␊ |
417 | // (gBootMode & kBootModeSafe) == 0 )␊ |
418 | // {␊ |
419 | // VBECRTCInfoBlock timing;␊ |
420 | // ␊ |
421 | // // Generate CRTC timing for given refresh rate.␊ |
422 | // ␊ |
423 | // generateCRTCTiming( minfo.XResolution, minfo.YResolution,␊ |
424 | // refreshRate, kCRTCParamRefreshRate,␊ |
425 | // &timing );␊ |
426 | // ␊ |
427 | // // Find the actual pixel clock supported by the hardware.␊ |
428 | // ␊ |
429 | // getVBEPixelClock( mode, &timing.PixelClock );␊ |
430 | // ␊ |
431 | // // Re-compute CRTC timing based on actual pixel clock.␊ |
432 | // ␊ |
433 | // generateCRTCTiming( minfo.XResolution, minfo.YResolution,␊ |
434 | // timing.PixelClock, kCRTCParamPixelClock,␊ |
435 | // &timing );␊ |
436 | // ␊ |
437 | // // Set the video mode and use specified CRTC timing.␊ |
438 | // ␊ |
439 | // err = setVBEMode( mode | kLinearFrameBufferBit |␊ |
440 | // kCustomRefreshRateBit, &timing );␊ |
441 | // }␊ |
442 | // else␊ |
443 | // {␊ |
444 | // // Set the mode with default refresh rate.␊ |
445 | // ␊ |
446 | // err = setVBEMode( mode | kLinearFrameBufferBit, NULL );␊ |
447 | // }␊ |
448 | ␊ |
449 | // Set the mode with default refresh rate.␊ |
450 | ␊ |
451 | err = setVBEMode( mode | kLinearFrameBufferBit, NULL );␊ |
452 | ␊ |
453 | if ( err != errSuccess )␊ |
454 | {␊ |
455 | break;␊ |
456 | }␊ |
457 | ␊ |
458 | // Set 8-bit color palette.␊ |
459 | ␊ |
460 | if ( minfo.BitsPerPixel == 8 )␊ |
461 | {␊ |
462 | VBEPalette palette;␊ |
463 | setupPalette( &palette, appleClut8 );␊ |
464 | if ((err = setVBEPalette(palette)) != errSuccess)␊ |
465 | {␊ |
466 | break;␊ |
467 | }␊ |
468 | }␊ |
469 | ␊ |
470 | // Is this required for buggy Video BIOS implementations?␊ |
471 | // On which adapter?␊ |
472 | ␊ |
473 | if ( minfo.BytesPerScanline == 0 )␊ |
474 | minfo.BytesPerScanline = ( minfo.XResolution *␊ |
475 | minfo.BitsPerPixel ) >> 3;␊ |
476 | ␊ |
477 | // Update KernBootStruct using info provided by the selected␊ |
478 | // VESA mode.␊ |
479 | ␊ |
480 | bootArgs->Video.v_display = GRAPHICS_MODE;␊ |
481 | bootArgs->Video.v_width = minfo.XResolution;␊ |
482 | bootArgs->Video.v_height = minfo.YResolution;␊ |
483 | bootArgs->Video.v_depth = minfo.BitsPerPixel;␊ |
484 | bootArgs->Video.v_rowBytes = minfo.BytesPerScanline;␊ |
485 | bootArgs->Video.v_baseAddr = VBEMakeUInt32(minfo.PhysBasePtr);␊ |
486 | ␊ |
487 | }␊ |
488 | while ( 0 );␊ |
489 | ␊ |
490 | return err;␊ |
491 | }␊ |
492 | ␊ |
493 | int␊ |
494 | convertImage( unsigned short width,␊ |
495 | unsigned short height,␊ |
496 | const unsigned char *imageData,␊ |
497 | unsigned char **newImageData )␊ |
498 | {␊ |
499 | int cnt;␊ |
500 | unsigned char *img = 0;␊ |
501 | unsigned short *img16;␊ |
502 | unsigned long *img32;␊ |
503 | ␊ |
504 | switch ( VIDEO(depth) ) {␊ |
505 | case 16 :␊ |
506 | img16 = malloc(width * height * 2);␊ |
507 | if ( !img16 ) break;␊ |
508 | for (cnt = 0; cnt < (width * height); cnt++)␊ |
509 | img16[cnt] = lookUpCLUTIndex(imageData[cnt], 16);␊ |
510 | img = (unsigned char *)img16;␊ |
511 | break;␊ |
512 | ␊ |
513 | case 32 :␊ |
514 | img32 = malloc(width * height * 4);␊ |
515 | if ( !img32 ) break;␊ |
516 | for (cnt = 0; cnt < (width * height); cnt++)␊ |
517 | img32[cnt] = lookUpCLUTIndex(imageData[cnt], 32);␊ |
518 | img = (unsigned char *)img32;␊ |
519 | break;␊ |
520 | ␊ |
521 | default :␊ |
522 | img = malloc(width * height);␊ |
523 | bcopy(imageData, img, width * height);␊ |
524 | break;␊ |
525 | }␊ |
526 | *newImageData = img;␊ |
527 | return 0;␊ |
528 | }␊ |
529 | ␊ |
530 | int loadPngImage(const char *filename, uint16_t *width, uint16_t *height,␊ |
531 | uint8_t **imageData)␊ |
532 | {␊ |
533 | uint8_t *pngData = NULL;␊ |
534 | int pngFile = 0, pngSize;␊ |
535 | PNG_info_t *info;␊ |
536 | int error = 0;␊ |
537 | ␊ |
538 | pngFile = open_bvdev("bt(0,0)", filename, 0);␊ |
539 | if (pngFile == -1) {␊ |
540 | error = -1;␊ |
541 | goto failed;␊ |
542 | }␊ |
543 | pngSize = file_size(pngFile);␊ |
544 | if (!pngSize) {␊ |
545 | error = -1;␊ |
546 | goto failed;␊ |
547 | }␊ |
548 | pngData = malloc(pngSize);␊ |
549 | if (read(pngFile, (char *) pngData, pngSize) != pngSize) {␊ |
550 | error = -1;␊ |
551 | goto failed;␊ |
552 | }␊ |
553 | ␊ |
554 | PNG_error = -1;␊ |
555 | info = PNG_decode(pngData, pngSize);␊ |
556 | if (PNG_error != 0) {␊ |
557 | error = PNG_error;␊ |
558 | goto failed;␊ |
559 | } else if ((info->width > 0xffff) || (info->height > 0xffff)) {␊ |
560 | error = -1;␊ |
561 | goto failed;␊ |
562 | } else if ((info->width * info->height * 4) != info->image->size) {␊ |
563 | error = -1;␊ |
564 | goto failed;␊ |
565 | }␊ |
566 | ␉uint8_t *result = malloc(info->width*4*info->height);␊ |
567 | *width = info->width;␊ |
568 | *height = info->height;␊ |
569 | ␉memcpy(result, info->image->data, info->width*4*info->height);␊ |
570 | ␉*imageData = result;␊ |
571 | ␊ |
572 | failed:␊ |
573 | ␉png_alloc_free_all();␊ |
574 | if (pngData)␊ |
575 | free(pngData);␊ |
576 | if (pngFile != -1)␊ |
577 | close(pngFile);␊ |
578 | ␊ |
579 | return error;␊ |
580 | }␊ |
581 | ␊ |
582 | int loadEmbeddedPngImage(uint8_t *pngData, int pngSize, uint16_t *width, uint16_t *height, uint8_t **imageData) {␊ |
583 | PNG_info_t *info;␊ |
584 | int error = 0;␊ |
585 | ␉␊ |
586 | PNG_error = -1;␊ |
587 | info = PNG_decode(pngData, pngSize);␊ |
588 | ␉if (PNG_error != 0) {␊ |
589 | error = PNG_error;␊ |
590 | goto failed;␊ |
591 | } else if ((info->width > 0xffff) || (info->height > 0xffff)) {␊ |
592 | error = -1;␊ |
593 | goto failed;␊ |
594 | } else if ((info->width * info->height * 4) != info->image->size) {␊ |
595 | error = -1;␊ |
596 | goto failed;␊ |
597 | }␊ |
598 | ␉uint8_t *result = malloc(info->width*4*info->height);␊ |
599 | ␉*width = info->width;␊ |
600 | *height = info->height;␊ |
601 | ␉memcpy(result, info->image->data, info->width*4*info->height);␊ |
602 | ␉*imageData = result;␊ |
603 | ␊ |
604 | failed:␊ |
605 | ␉png_alloc_free_all();␊ |
606 | ␊ |
607 | return error;␊ |
608 | }␊ |
609 | ␊ |
610 | void blendImage(uint16_t x, uint16_t y, uint16_t width, uint16_t height,␊ |
611 | uint8_t *data)␊ |
612 | {␊ |
613 | uint16_t drawWidth;␊ |
614 | uint8_t *vram = (uint8_t *) VIDEO(baseAddr) + VIDEO(rowBytes) * y + 4 * x;␊ |
615 | ␊ |
616 | drawWidth = MIN(width, VIDEO(width) - x);␊ |
617 | height = MIN(height, VIDEO(height) - y);␊ |
618 | while (height--) {␊ |
619 | ␉␉switch (VIDEO (depth))␊ |
620 | ␉␉{␊ |
621 | ␉␉␉case 32: /* Optimized version*/␊ |
622 | ␉␉␉{␊ |
623 | ␉␉␉␉uint32_t s; uint32_t* d; // Source (img) and destination (bkgd) pixels␊ |
624 | ␉␉␉␉uint32_t a; // Alpha␊ |
625 | ␉␉␉␉uint32_t dstrb, dstg, srcrb, srcg, drb, dg, rb, g, tempB; // Intermediate variables␊ |
626 | ␉␉␉␉uint16_t pos;␊ |
627 | ␉␉␉␉␊ |
628 | ␉␉␉␉for (pos = 0; pos < drawWidth * 4; pos += 4) {␊ |
629 | ␉␉␉␉␉// Fast pseudo-vector alpha blending, adapted from: http://www.stereopsis.com/doubleblend.html␊ |
630 | ␉␉␉␉␉s = *((uint32_t*) (data + pos));␊ |
631 | ␉␉␉␉␉d = (uint32_t*) (vram + pos);␊ |
632 | ␊ |
633 | ␉␉␉␉␉// Flip B and R in source␊ |
634 | ␉␉␉␉␉// TODO: use XCHG and inline assembly to do this in a faster, saner way␊ |
635 | ␉␉␉␉␉tempB = (s & 0xFF0000); // save B␊ |
636 | ␉␉␉␉␉s = (s & 0xFF00FFFF) | ((s & 0xFF) << 16); // put R in B␊ |
637 | ␉␉␉␉␉s = (s & 0xFFFFFF00) | (tempB >> 16); // put B in R␊ |
638 | ␊ |
639 | ␉␉␉␉␉a = (s >> 24) + 1;␊ |
640 | ␊ |
641 | ␉␉␉␉␉dstrb = *d & 0xFF00FF; dstg = *d & 0xFF00;␊ |
642 | ␉␉␉␉␉srcrb = s & 0xFF00FF; srcg = s & 0xFF00;␊ |
643 | ␊ |
644 | ␉␉␉␉␉drb = srcrb - dstrb;␊ |
645 | ␉␉␉␉␉dg = srcg - dstg;␊ |
646 | ␉␉␉␉␉drb *= a; dg *= a;␊ |
647 | ␉␉␉␉␉drb >>= 8; dg >>= 8;␊ |
648 | ␊ |
649 | ␉␉␉␉␉rb = (drb + dstrb) & 0xFF00FF;␊ |
650 | ␉␉␉␉␉g = (dg + dstg) & 0xFF00;␊ |
651 | ␊ |
652 | ␉␉␉␉␉*d = rb | g;␊ |
653 | ␉␉␉␉}␊ |
654 | ␉␉␉}␊ |
655 | ␉␉␉break;␊ |
656 | ␉␉␉␉␊ |
657 | ␉␉␉default: /*Universal version*/␊ |
658 | ␉␉␉{␊ |
659 | ␉␉␉␉uint32_t s; ␊ |
660 | ␉␉␉␉uint32_t a; // Alpha␊ |
661 | ␉␉␉␉uint32_t dr, dg, db, sr, sg, sb; // Intermediate variables␊ |
662 | ␉␉␉␉uint16_t pos;␊ |
663 | ␉␉␉␉int bpp = (VIDEO (depth) + 7)/8;␊ |
664 | ␉␉␉␉␊ |
665 | ␉␉␉␉for (pos = 0; pos < drawWidth; pos ++) {␊ |
666 | ␉␉␉␉␉// Fast pseudo-vector alpha blending, adapted from: http://www.stereopsis.com/doubleblend.html␊ |
667 | ␉␉␉␉␉s = *((uint32_t*) (data + 4*pos));␊ |
668 | ␉␉␉␉␉␊ |
669 | ␉␉␉␉␉sb = (s & 0xFF0000) >> 16;␊ |
670 | ␉␉␉␉␉sg = (s & 0xFF00) >> 8;␊ |
671 | ␉␉␉␉␉sr = (s & 0xFF);␊ |
672 | ␉␉␉␉␉␊ |
673 | ␉␉␉␉␉a = (s >> 24) + 1;␊ |
674 | ␉␉␉␉␉␊ |
675 | ␉␉␉␉␉switch (VIDEO (depth))␊ |
676 | ␉␉␉␉␉{␊ |
677 | ␉␉␉␉␉␉case 24:␊ |
678 | ␉␉␉␉␉␉␉db = ((*(uint32_t *)(vram + bpp*pos))&0xff);␊ |
679 | ␉␉␉␉␉␉␉dg = ((*(uint32_t *)(vram + bpp*pos))&0xff00)>>8;␊ |
680 | ␉␉␉␉␉␉␉dr = ((*(uint32_t *)(vram + bpp*pos))&0xff0000)>>16;␊ |
681 | ␉␉␉␉␉␉␉break;␊ |
682 | ␉␉␉␉␉␉case 16://16-bit seems to be 15-bit␊ |
683 | /*␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
684 | ␉␉␉␉␉␉␉dg = ((*(uint16_t *)(vram + bpp*pos))&0x07e0)>>3;␊ |
685 | ␉␉␉␉␉␉␉dr = ((*(uint16_t *)(vram + bpp*pos))&0xf800)>>8;␊ |
686 | ␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉*/␊ |
687 | ␉␉␉␉␉␉case 15:␊ |
688 | ␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
689 | ␉␉␉␉␉␉␉dg = ((*(uint16_t *)(vram + bpp*pos))&0x03e0)>>2;␊ |
690 | ␉␉␉␉␉␉␉dr = ((*(uint16_t *)(vram + bpp*pos))&0x7c00)>>7;␊ |
691 | ␉␉␉␉␉␉␉break;␉␉␊ |
692 | ␉␉␉␉␉␉default:␊ |
693 | ␉␉␉␉␉␉␉return;␊ |
694 | ␉␉␉␉␉}␊ |
695 | ␊ |
696 | ␉␉␉␉␉dr = (((sr - dr) * a) >> 8) + dr;␊ |
697 | ␉␉␉␉␉dg = (((sg - dg) * a) >> 8) + dg;␊ |
698 | ␉␉␉␉␉db = (((sb - db) * a) >> 8) + db;␊ |
699 | ␉␉␉␉␉switch (VIDEO (depth))␊ |
700 | ␉␉␉␉␉{␊ |
701 | ␉␉␉␉␉␉case 24:␊ |
702 | ␉␉␉␉␉␉␉*(uint32_t *)(vram + bpp*pos) = (*(uint32_t *)(vram + bpp*pos) &0xff000000)␊ |
703 | ␉␉␉␉␉␉␉| (db&0xff) | ((dg&0xff)<<8) | ((dr&0xff)<<16);␊ |
704 | ␉␉␉␉␉␉␉break;␊ |
705 | ␉␉␉␉␉␉case 16:␊ |
706 | //␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xfc)<<3) | ((dr&0xf8)<<8);␊ |
707 | //␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␊ |
708 | ␉␉␉␉␉␉case 15:␊ |
709 | ␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xf8)<<2) | ((dr&0xf8)<<7);␊ |
710 | ␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
711 | ␉␉␉␉␉}␊ |
712 | ␉␉␉␉␉␊ |
713 | ␉␉␉␉}␉␉␉␉␊ |
714 | ␉␉␉}␊ |
715 | ␉␉␉break;␊ |
716 | }␊ |
717 | vram += VIDEO(rowBytes);␊ |
718 | data += width * 4;␊ |
719 | }␊ |
720 | }␊ |
721 | ␊ |
722 | void drawCheckerBoard()␊ |
723 | {␊ |
724 | uint32_t *vram = (uint32_t *) VIDEO(baseAddr);␊ |
725 | uint16_t x, y;␊ |
726 | uint8_t color;␊ |
727 | ␊ |
728 | for (y = 0; y < VIDEO(height); y++, vram += VIDEO(width)) {␊ |
729 | for (x = 0; x < VIDEO(width); x++) {␊ |
730 | color = 204 + 51 * (((x / 8) % 2) == ((y / 8) % 2));␊ |
731 | vram[x] = (color << 16) | (color << 8) | color;␊ |
732 | }␊ |
733 | }␊ |
734 | }␊ |
735 | ␊ |
736 | //==========================================================================␊ |
737 | // LookUpCLUTIndex␊ |
738 | ␊ |
739 | unsigned long lookUpCLUTIndex( unsigned char index,␊ |
740 | unsigned char depth )␊ |
741 | {␊ |
742 | long result, red, green, blue;␊ |
743 | ␊ |
744 | red = appleClut8[index * 3 + 0];␊ |
745 | green = appleClut8[index * 3 + 1];␊ |
746 | blue = appleClut8[index * 3 + 2];␊ |
747 | ␊ |
748 | switch (depth) {␊ |
749 | case 16 :␊ |
750 | result = ((red & 0xF8) << 7) | ␊ |
751 | ((green & 0xF8) << 2) |␊ |
752 | ((blue & 0xF8) >> 3);␊ |
753 | result |= (result << 16);␊ |
754 | break;␊ |
755 | ␊ |
756 | case 32 :␊ |
757 | result = (red << 16) | (green << 8) | blue;␊ |
758 | break;␊ |
759 | ␊ |
760 | default :␊ |
761 | result = index | (index << 8);␊ |
762 | result |= (result << 16);␊ |
763 | break;␊ |
764 | }␊ |
765 | ␊ |
766 | return result;␊ |
767 | }␊ |
768 | ␊ |
769 | //==========================================================================␊ |
770 | // drawColorRectangle␊ |
771 | ␊ |
772 | void * stosl(void * dst, long val, long len)␊ |
773 | {␊ |
774 | asm volatile ( "rep; stosl"␊ |
775 | : "=c" (len), "=D" (dst)␊ |
776 | : "0" (len), "1" (dst), "a" (val)␊ |
777 | : "memory" );␊ |
778 | ␊ |
779 | return dst;␊ |
780 | }␊ |
781 | ␊ |
782 | void drawColorRectangle( unsigned short x,␊ |
783 | unsigned short y,␊ |
784 | unsigned short width,␊ |
785 | unsigned short height,␊ |
786 | unsigned char colorIndex )␊ |
787 | {␊ |
788 | long pixelBytes;␊ |
789 | long color = lookUpCLUTIndex( colorIndex, VIDEO(depth) );␊ |
790 | char * vram;␊ |
791 | ␊ |
792 | pixelBytes = VIDEO(depth) / 8;␊ |
793 | vram = (char *) VIDEO(baseAddr) +␊ |
794 | VIDEO(rowBytes) * y + pixelBytes * x;␊ |
795 | ␊ |
796 | width = MIN(width, VIDEO(width) - x);␊ |
797 | height = MIN(height, VIDEO(height) - y);␊ |
798 | ␊ |
799 | while ( height-- )␊ |
800 | {␊ |
801 | int rem = ( pixelBytes * width ) % 4;␊ |
802 | if ( rem ) bcopy( &color, vram, rem );␊ |
803 | stosl( vram + rem, color, pixelBytes * width / 4 );␊ |
804 | vram += VIDEO(rowBytes);␊ |
805 | }␊ |
806 | }␊ |
807 | ␊ |
808 | //==========================================================================␊ |
809 | // drawDataRectangle␊ |
810 | ␊ |
811 | void drawDataRectangle( unsigned short x,␊ |
812 | unsigned short y,␊ |
813 | unsigned short width,␊ |
814 | unsigned short height,␊ |
815 | unsigned char * data )␊ |
816 | {␊ |
817 | unsigned short drawWidth;␊ |
818 | long pixelBytes = VIDEO(depth) / 8;␊ |
819 | unsigned char * vram = (unsigned char *) VIDEO(baseAddr) +␊ |
820 | VIDEO(rowBytes) * y + pixelBytes * x;␊ |
821 | ␊ |
822 | drawWidth = MIN(width, VIDEO(width) - x);␊ |
823 | height = MIN(height, VIDEO(height) - y);␊ |
824 | while ( height-- ) {␊ |
825 | bcopy( data, vram, drawWidth * pixelBytes );␊ |
826 | vram += VIDEO(rowBytes);␊ |
827 | data += width * pixelBytes;␊ |
828 | }␊ |
829 | }␊ |
830 | ␊ |
831 | void␊ |
832 | loadImageScale (void *input, int iw, int ih, int ip, void *output, int ow, int oh, int op, int or)␊ |
833 | {␊ |
834 | ␉int x,y, off;␊ |
835 | ␉int red=0x7f, green=0x7f, blue=0x7f;␊ |
836 | ␉for (x=0;x<ow;x++)␊ |
837 | ␉␉for (y=0;y<oh;y++)␊ |
838 | ␉␉{␊ |
839 | ␉␉␉off=(x*iw)/ow+((y*ih)/oh)*iw;␊ |
840 | ␉␉␉switch (ip)␊ |
841 | ␉␉␉{␊ |
842 | ␉␉␉␉case 16:␊ |
843 | ␉␉␉␉{␊ |
844 | ␉␉␉␉␉uint16_t val;␊ |
845 | ␉␉␉␉␉val=((uint16_t *)input)[off];␊ |
846 | ␉␉␉␉␉red=(val>>7)&0xf8;␊ |
847 | ␉␉␉␉␉green=(val>>2)&0xf8;␊ |
848 | ␉␉␉␉␉blue=(val<<3)&0xf8;␊ |
849 | ␉␉␉␉␉break;␉␉␊ |
850 | ␉␉␉␉}␊ |
851 | ␉␉␉␉case 32:␊ |
852 | ␉␉␉␉{␊ |
853 | ␉␉␉␉␉uint32_t val;␊ |
854 | ␉␉␉␉␉val=((uint32_t *)input)[off];␊ |
855 | ␉␉␉␉␉red=(val>>16)&0xff;␊ |
856 | ␉␉␉␉␉green=(val>>8)&0xff;␊ |
857 | ␉␉␉␉␉blue=(val)&0xff;␊ |
858 | ␉␉␉␉␉break;␊ |
859 | ␉␉␉␉}␉␉␉␉␊ |
860 | ␉␉␉}␊ |
861 | ␉␉␉char *ptr=(char *)output+x*(op/8)+y*or;␊ |
862 | ␉␉␉switch (op)␊ |
863 | ␉␉␉{␊ |
864 | ␉␉␉␉case 16:␊ |
865 | ␉␉␉␉␉*((uint16_t *)ptr) = ((red & 0xF8) << 7) | ␊ |
866 | ␉␉␉␉␉((green & 0xF8) << 2) |␊ |
867 | ␉␉␉␉␉((blue & 0xF8) >> 3);␊ |
868 | ␉␉␉␉␉break;␊ |
869 | ␉␉␉␉case 32 :␊ |
870 | ␉␉␉␉␉*((uint32_t *)ptr) = (red << 16) | (green << 8) | blue;␊ |
871 | ␉␉␉␉␉break;␊ |
872 | ␉␉␉}␊ |
873 | ␉␉}␊ |
874 | }␊ |
875 | ␊ |
876 | DECLARE_IOHIBERNATEPROGRESSALPHA␊ |
877 | ␊ |
878 | void drawPreview(void *src, uint8_t * saveunder)␊ |
879 | {␊ |
880 | ␉uint8_t * screen;␊ |
881 | ␉uint32_t rowBytes, pixelShift;␊ |
882 | ␉uint32_t x, y;␊ |
883 | ␉int32_t blob;␊ |
884 | ␉uint32_t alpha, in, color, result;␊ |
885 | ␉uint8_t * out;␊ |
886 | ␉void *uncomp;␊ |
887 | ␉int origwidth, origheight, origbpx;␊ |
888 | ␉uint32_t saveindex[kIOHibernateProgressCount] = { 0 };␊ |
889 | ␉␉␊ |
890 | ␉if (src && (uncomp=DecompressData(src, &origwidth, &origheight, &origbpx)))␊ |
891 | ␉{␊ |
892 | ␉␉if (!setVESAGraphicsMode(origwidth, origheight, origbpx, 0))␊ |
893 | ␉␉␉if (initGraphicsMode () != errSuccess)␊ |
894 | ␉␉␉␉return;␊ |
895 | ␉␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
896 | ␉␉rowBytes = VIDEO (rowBytes);␊ |
897 | ␉␉loadImageScale (uncomp, origwidth, origheight, origbpx, screen, VIDEO(width), VIDEO(height), VIDEO(depth), VIDEO (rowBytes));␊ |
898 | ␉}␊ |
899 | ␉else␊ |
900 | ␉{␊ |
901 | ␉␉if (initGraphicsMode () != errSuccess)␊ |
902 | ␉␉␉return;␊ |
903 | ␉␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
904 | ␉␉rowBytes = VIDEO (rowBytes);␊ |
905 | ␉␉// Set the screen to 75% grey.␊ |
906 | drawColorRectangle(0, 0, VIDEO(width), VIDEO(height), 0x01 /* color index */);␊ |
907 | ␉}␊ |
908 | ␉␊ |
909 | ␉␊ |
910 | ␉pixelShift = VIDEO (depth) >> 4;␊ |
911 | ␉if (pixelShift < 1) return;␊ |
912 | ␉␊ |
913 | ␉screen += ((VIDEO (width) ␊ |
914 | ␉␉␉␉- kIOHibernateProgressCount * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << (pixelShift - 1))␊ |
915 | ␉+ (VIDEO (height) - kIOHibernateProgressOriginY - kIOHibernateProgressHeight) * rowBytes;␊ |
916 | ␉␊ |
917 | ␉for (y = 0; y < kIOHibernateProgressHeight; y++)␊ |
918 | ␉{␊ |
919 | ␉␉out = screen + y * rowBytes;␊ |
920 | ␉␉for (blob = 0; blob < kIOHibernateProgressCount; blob++)␊ |
921 | ␉␉{␊ |
922 | ␉␉␉color = blob ? kIOHibernateProgressDarkGray : kIOHibernateProgressMidGray;␊ |
923 | ␉␉␉for (x = 0; x < kIOHibernateProgressWidth; x++)␊ |
924 | ␉␉␉{␊ |
925 | ␉␉␉␉alpha = gIOHibernateProgressAlpha[y][x];␊ |
926 | ␉␉␉␉result = color;␊ |
927 | ␉␉␉␉if (alpha)␊ |
928 | ␉␉␉␉{␊ |
929 | ␉␉␉␉␉if (0xff != alpha)␊ |
930 | ␉␉␉␉␉{␊ |
931 | ␉␉␉␉␉␉if (1 == pixelShift)␊ |
932 | ␉␉␉␉␉␉{␊ |
933 | ␉␉␉␉␉␉␉in = *((uint16_t *)out) & 0x1f;␉// 16␊ |
934 | ␉␉␉␉␉␉␉in = (in << 3) | (in >> 2);␊ |
935 | ␉␉␉␉␉␉}␊ |
936 | ␉␉␉␉␉␉else␊ |
937 | ␉␉␉␉␉␉␉in = *((uint32_t *)out) & 0xff;␉// 32␊ |
938 | ␉␉␉␉␉␉saveunder[blob * kIOHibernateProgressSaveUnderSize + saveindex[blob]++] = in;␊ |
939 | ␉␉␉␉␉␉result = ((255 - alpha) * in + alpha * result + 0xff) >> 8;␊ |
940 | ␉␉␉␉␉}␊ |
941 | ␉␉␉␉␉if (1 == pixelShift)␊ |
942 | ␉␉␉␉␉{␊ |
943 | ␉␉␉␉␉␉result >>= 3;␊ |
944 | ␉␉␉␉␉␉*((uint16_t *)out) = (result << 10) | (result << 5) | result;␉// 16␊ |
945 | ␉␉␉␉␉}␊ |
946 | ␉␉␉␉␉else␊ |
947 | ␉␉␉␉␉␉*((uint32_t *)out) = (result << 16) | (result << 8) | result;␉// 32␊ |
948 | ␉␉␉␉}␊ |
949 | ␉␉␉␉out += (1 << pixelShift);␊ |
950 | ␉␉␉}␊ |
951 | ␉␉␉out += (kIOHibernateProgressSpacing << pixelShift);␊ |
952 | ␉␉}␊ |
953 | ␉}␊ |
954 | }␊ |
955 | ␊ |
956 | void updateProgressBar(uint8_t * saveunder, int32_t firstBlob, int32_t select)␊ |
957 | {␊ |
958 | ␉uint8_t * screen;␊ |
959 | ␉uint32_t rowBytes, pixelShift;␊ |
960 | ␉uint32_t x, y;␊ |
961 | ␉int32_t blob, lastBlob;␊ |
962 | ␉uint32_t alpha, in, color, result;␊ |
963 | ␉uint8_t * out;␊ |
964 | ␉uint32_t saveindex[kIOHibernateProgressCount] = { 0 };␊ |
965 | ␉␊ |
966 | ␉pixelShift = VIDEO(depth) >> 4;␊ |
967 | ␉if (pixelShift < 1) return;␊ |
968 | ␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
969 | ␉rowBytes = VIDEO (rowBytes);␊ |
970 | ␉␊ |
971 | ␉screen += ((VIDEO (width) ␊ |
972 | ␉␉␉␉- kIOHibernateProgressCount * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << (pixelShift - 1))␊ |
973 | ␉+ (VIDEO (height) - kIOHibernateProgressOriginY - kIOHibernateProgressHeight) * rowBytes;␊ |
974 | ␉␊ |
975 | ␉lastBlob = (select < kIOHibernateProgressCount) ? select : (kIOHibernateProgressCount - 1);␊ |
976 | ␉␊ |
977 | ␉screen += (firstBlob * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << pixelShift;␊ |
978 | ␉␊ |
979 | ␉for (y = 0; y < kIOHibernateProgressHeight; y++)␊ |
980 | ␉{␊ |
981 | ␉␉out = screen + y * rowBytes;␊ |
982 | ␉␉for (blob = firstBlob; blob <= lastBlob; blob++)␊ |
983 | ␉␉{␊ |
984 | ␉␉␉color = (blob < select) ? kIOHibernateProgressLightGray : kIOHibernateProgressMidGray;␊ |
985 | ␉␉␉for (x = 0; x < kIOHibernateProgressWidth; x++)␊ |
986 | ␉␉␉{␊ |
987 | ␉␉␉␉alpha = gIOHibernateProgressAlpha[y][x];␊ |
988 | ␉␉␉␉result = color;␊ |
989 | ␉␉␉␉if (alpha)␊ |
990 | ␉␉␉␉{␊ |
991 | ␉␉␉␉␉if (0xff != alpha)␊ |
992 | ␉␉␉␉␉{␊ |
993 | ␉␉␉␉␉␉in = saveunder[blob * kIOHibernateProgressSaveUnderSize + saveindex[blob]++];␊ |
994 | ␉␉␉␉␉␉result = ((255 - alpha) * in + alpha * result + 0xff) / 255;␊ |
995 | ␉␉␉␉␉}␊ |
996 | ␉␉␉␉␉if (1 == pixelShift)␊ |
997 | ␉␉␉␉␉{␊ |
998 | ␉␉␉␉␉␉result >>= 3;␊ |
999 | ␉␉␉␉␉␉*((uint16_t *)out) = (result << 10) | (result << 5) | result;␉// 16␊ |
1000 | ␉␉␉␉␉}␊ |
1001 | ␉␉␉␉␉else␊ |
1002 | ␉␉␉␉␉␉*((uint32_t *)out) = (result << 16) | (result << 8) | result;␉// 32␊ |
1003 | ␉␉␉␉}␊ |
1004 | ␉␉␉␉out += (1 << pixelShift);␊ |
1005 | ␉␉␉}␊ |
1006 | ␉␉␉out += (kIOHibernateProgressSpacing << pixelShift);␊ |
1007 | ␉␉}␊ |
1008 | ␉}␊ |
1009 | }␊ |
1010 | ␊ |
1011 | ␊ |
1012 | //==========================================================================␊ |
1013 | // setVESATextMode␊ |
1014 | ␊ |
1015 | static int␊ |
1016 | setVESATextMode( unsigned short cols,␊ |
1017 | unsigned short rows,␊ |
1018 | unsigned char bitsPerPixel )␊ |
1019 | {␊ |
1020 | VBEModeInfoBlock minfo;␊ |
1021 | unsigned short mode = modeEndOfList;␊ |
1022 | ␊ |
1023 | if ( (cols != 80) || (rows != 25) ) // not 80x25 mode␊ |
1024 | {␊ |
1025 | mode = getVESAModeWithProperties( cols, rows, bitsPerPixel,␊ |
1026 | maColorModeBit |␊ |
1027 | maModeIsSupportedBit,␊ |
1028 | maGraphicsModeBit,␊ |
1029 | &minfo, NULL );␊ |
1030 | }␊ |
1031 | ␊ |
1032 | if ( ( mode == modeEndOfList ) || ( setVBEMode(mode, NULL) != errSuccess ) )␊ |
1033 | {␊ |
1034 | video_mode( 2 ); // VGA BIOS, 80x25 text mode.␊ |
1035 | minfo.XResolution = 80;␊ |
1036 | minfo.YResolution = 25;␊ |
1037 | }␊ |
1038 | ␊ |
1039 | // Update KernBootStruct using info provided by the selected␊ |
1040 | // VESA mode.␊ |
1041 | ␊ |
1042 | bootArgs->Video.v_display = VGA_TEXT_MODE;␊ |
1043 | bootArgs->Video.v_baseAddr = 0xb8000;␊ |
1044 | bootArgs->Video.v_width = minfo.XResolution;␊ |
1045 | bootArgs->Video.v_height = minfo.YResolution;␊ |
1046 | bootArgs->Video.v_depth = 8;␊ |
1047 | bootArgs->Video.v_rowBytes = 0x8000;␊ |
1048 | ␊ |
1049 | return errSuccess; // always return success␊ |
1050 | }␊ |
1051 | ␊ |
1052 | //==========================================================================␊ |
1053 | // getNumberArrayFromProperty␊ |
1054 | ␊ |
1055 | static int␊ |
1056 | getNumberArrayFromProperty( const char * propKey,␊ |
1057 | unsigned long numbers[],␊ |
1058 | unsigned long maxArrayCount )␊ |
1059 | {␊ |
1060 | char * propStr;␊ |
1061 | unsigned long count = 0;␊ |
1062 | ␊ |
1063 | propStr = newStringForKey( (char *) propKey , &bootInfo->chameleonConfig );␊ |
1064 | if ( propStr )␊ |
1065 | {␊ |
1066 | char * delimiter = propStr;␊ |
1067 | char * p = propStr;␊ |
1068 | ␊ |
1069 | while ( count < maxArrayCount && *p != '\0' )␊ |
1070 | {␊ |
1071 | unsigned long val = strtoul( p, &delimiter, 10 );␊ |
1072 | if ( p != delimiter )␊ |
1073 | {␊ |
1074 | numbers[count++] = val;␊ |
1075 | p = delimiter;␊ |
1076 | }␊ |
1077 | while ( ( *p != '\0' ) && !isdigit(*p) )␊ |
1078 | p++;␊ |
1079 | }␊ |
1080 | ␊ |
1081 | free( propStr );␊ |
1082 | }␊ |
1083 | ␊ |
1084 | return count;␊ |
1085 | }␊ |
1086 | ␊ |
1087 | int initGraphicsMode ()␊ |
1088 | {␊ |
1089 | unsigned long params[4];␊ |
1090 | int count;␊ |
1091 | ␊ |
1092 | params[3] = 0;␊ |
1093 | count = getNumberArrayFromProperty( kGraphicsModeKey, params, 4 );␊ |
1094 | ␊ |
1095 | // Try to find a resolution if "Graphics Mode" setting is not available.␊ |
1096 | if ( count < 3 )␊ |
1097 | {␊ |
1098 | // Use the default resolution if we don't have an initialized GUI.␊ |
1099 | if (gui.screen.width == 0 || gui.screen.height == 0)␊ |
1100 | {␊ |
1101 | gui.screen.width = DEFAULT_SCREEN_WIDTH;␉␊ |
1102 | gui.screen.height = DEFAULT_SCREEN_HEIGHT;␊ |
1103 | }␊ |
1104 | ␊ |
1105 | params[0] = gui.screen.width;␊ |
1106 | params[1] = gui.screen.height;␊ |
1107 | params[2] = 32;␊ |
1108 | }␊ |
1109 | ␊ |
1110 | // Map from pixel format to bits per pixel.␊ |
1111 | ␊ |
1112 | if ( params[2] == 256 ) params[2] = 8;␊ |
1113 | if ( params[2] == 555 ) params[2] = 16;␊ |
1114 | if ( params[2] == 888 ) params[2] = 32;␊ |
1115 | ␊ |
1116 | ␉return setVESAGraphicsMode( params[0], params[1], params[2], params[3] );␉␊ |
1117 | }␊ |
1118 | ␊ |
1119 | //==========================================================================␊ |
1120 | // setVideoMode␊ |
1121 | //␊ |
1122 | // Set the video mode to VGA_TEXT_MODE or GRAPHICS_MODE.␊ |
1123 | ␊ |
1124 | void␊ |
1125 | setVideoMode( int mode, int drawgraphics)␊ |
1126 | {␊ |
1127 | unsigned long params[4];␊ |
1128 | int count;␊ |
1129 | int err = errSuccess;␊ |
1130 | ␊ |
1131 | if ( mode == GRAPHICS_MODE )␊ |
1132 | {␊ |
1133 | ␉␉if ( (err=initGraphicsMode ()) == errSuccess ) {␊ |
1134 | if (gVerboseMode) {␊ |
1135 | // Tell the kernel to use text mode on a linear frame buffer display␊ |
1136 | bootArgs->Video.v_display = FB_TEXT_MODE;␊ |
1137 | } else {␊ |
1138 | bootArgs->Video.v_display = GRAPHICS_MODE;␊ |
1139 | }␊ |
1140 | }␊ |
1141 | }␊ |
1142 | ␊ |
1143 | if ( (mode == VGA_TEXT_MODE) || (err != errSuccess) )␊ |
1144 | {␊ |
1145 | count = getNumberArrayFromProperty( kTextModeKey, params, 2 );␊ |
1146 | if ( count < 2 )␊ |
1147 | {␊ |
1148 | params[0] = 80; // Default text mode is 80x25.␊ |
1149 | params[1] = 25;␊ |
1150 | }␊ |
1151 | ␊ |
1152 | ␉setVESATextMode( params[0], params[1], 4 );␊ |
1153 | bootArgs->Video.v_display = VGA_TEXT_MODE;␊ |
1154 | }␊ |
1155 | ␊ |
1156 | currentIndicator = 0;␊ |
1157 | }␊ |
1158 | ␊ |
1159 | void getGraphicModeParams(unsigned long params[]) {␊ |
1160 | ␊ |
1161 | ␉params[3] = 0;␊ |
1162 | ␊ |
1163 | ␉VBEModeInfoBlock minfo;␊ |
1164 | ␊ |
1165 | unsigned short vesaVersion;␊ |
1166 | unsigned short mode = modeEndOfList;␊ |
1167 | ␉␊ |
1168 | ␉getNumberArrayFromProperty( kGraphicsModeKey, params, 4);␊ |
1169 | ␊ |
1170 | ␉mode = getVESAModeWithProperties( params[0], params[1], params[2],␊ |
1171 | ␉␉␉␉␉␉␉␉␉ maColorModeBit |␊ |
1172 | ␉␉␉␉␉␉␉␉␉ maModeIsSupportedBit |␊ |
1173 | ␉␉␉␉␉␉␉␉␉ maGraphicsModeBit |␊ |
1174 | ␉␉␉␉␉␉␉␉␉ maLinearFrameBufferAvailBit,␊ |
1175 | ␉␉␉␉␉␉␉␉␉ 0,␊ |
1176 | ␉␉␉␉␉␉␉␉␉ &minfo, &vesaVersion );␊ |
1177 | ␉␊ |
1178 | ␉params[0] = minfo.XResolution;␊ |
1179 | ␉params[1] = minfo.YResolution;␊ |
1180 | ␉params[2] = 32;␊ |
1181 | }␊ |
1182 | ␉␊ |
1183 | //==========================================================================␊ |
1184 | // Return the current video mode, VGA_TEXT_MODE or GRAPHICS_MODE.␊ |
1185 | ␊ |
1186 | int getVideoMode(void)␊ |
1187 | {␊ |
1188 | return bootArgs->Video.v_display;␊ |
1189 | }␊ |
1190 | ␊ |
1191 | //==========================================================================␊ |
1192 | // Display and clear the activity indicator.␊ |
1193 | ␊ |
1194 | static char indicator[] = {'-', '\\', '|', '/', '-', '\\', '|', '/', '\0'};␊ |
1195 | ␊ |
1196 | // To prevent a ridiculously fast-spinning indicator,␊ |
1197 | // ensure a minimum of 1/9 sec between animation frames.␊ |
1198 | #define MIN_TICKS 2␊ |
1199 | ␊ |
1200 | void␊ |
1201 | spinActivityIndicator(int sectors)␊ |
1202 | {␊ |
1203 | static unsigned long lastTickTime = 0, currentTickTime;␊ |
1204 | ␊ |
1205 | ␉if (previewTotalSectors && previewSaveunder)␊ |
1206 | ␉{␊ |
1207 | ␉␉int blob, lastBlob;␊ |
1208 | ␊ |
1209 | ␉␉lastBlob = (previewLoadedSectors * kIOHibernateProgressCount) / previewTotalSectors;␊ |
1210 | ␉␉previewLoadedSectors+=sectors;␊ |
1211 | ␉␉blob = (previewLoadedSectors * kIOHibernateProgressCount) / previewTotalSectors;␊ |
1212 | ␉␉␊ |
1213 | ␉␉if (blob!=lastBlob)␊ |
1214 | ␉␉␉updateProgressBar (previewSaveunder, lastBlob, blob);␊ |
1215 | ␉␉return;␊ |
1216 | ␉}␊ |
1217 | ␊ |
1218 | ␉currentTickTime = time18(); // late binding␊ |
1219 | ␉if (currentTickTime < lastTickTime + MIN_TICKS)␊ |
1220 | ␉{␊ |
1221 | ␉␉return;␊ |
1222 | ␉}␊ |
1223 | ␉else␊ |
1224 | ␉{␊ |
1225 | ␉␉lastTickTime = currentTickTime;␊ |
1226 | ␉}␊ |
1227 | ␊ |
1228 | ␉if (getVideoMode() == VGA_TEXT_MODE)␊ |
1229 | ␉{␊ |
1230 | ␉␉if (currentIndicator >= sizeof(indicator))␊ |
1231 | ␉␉{␊ |
1232 | ␉␉␉currentIndicator = 0;␊ |
1233 | ␉␉}␊ |
1234 | ␉␉putchar(indicator[currentIndicator++]);␊ |
1235 | ␉␉putchar('\b');␊ |
1236 | ␉}␊ |
1237 | }␊ |
1238 | ␊ |
1239 | void␊ |
1240 | clearActivityIndicator( void )␊ |
1241 | {␊ |
1242 | if ( getVideoMode() == VGA_TEXT_MODE )␊ |
1243 | {␊ |
1244 | ␉␉putchar(' ');␊ |
1245 | ␉␉putchar('\b');␊ |
1246 | }␊ |
1247 | }␊ |
1248 | ␊ |
1249 | |