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