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