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 | ␉bool␉␉␉ debugInfo = false; //Azi:debuginfo␊ |
373 | ␉extern bool␉␉ showBootBanner; //␉␉||␊ |
374 | VBEModeInfoBlock minfo;␊ |
375 | unsigned short mode;␊ |
376 | unsigned short vesaVersion;␊ |
377 | int err = errFuncNotSupported;␊ |
378 | ␊ |
379 | do {␊ |
380 | mode = getVESAModeWithProperties( width, height, bitsPerPixel,␊ |
381 | maColorModeBit |␊ |
382 | maModeIsSupportedBit |␊ |
383 | maGraphicsModeBit |␊ |
384 | maLinearFrameBufferAvailBit,␊ |
385 | 0,␊ |
386 | &minfo, &vesaVersion );␊ |
387 | if ( mode == modeEndOfList )␊ |
388 | {␊ |
389 | break;␊ |
390 | }␊ |
391 | ␊ |
392 | //␊ |
393 | // FIXME : generateCRTCTiming() causes crash.␊ |
394 | //␊ |
395 | ␊ |
396 | // if ( (vesaVersion >> 8) >= 3 && refreshRate >= 60 &&␊ |
397 | // (gBootMode & kBootModeSafe) == 0 )␊ |
398 | // {␊ |
399 | // VBECRTCInfoBlock timing;␊ |
400 | // ␊ |
401 | // // Generate CRTC timing for given refresh rate.␊ |
402 | // ␊ |
403 | // generateCRTCTiming( minfo.XResolution, minfo.YResolution,␊ |
404 | // refreshRate, kCRTCParamRefreshRate,␊ |
405 | // &timing );␊ |
406 | // ␊ |
407 | // // Find the actual pixel clock supported by the hardware.␊ |
408 | // ␊ |
409 | // getVBEPixelClock( mode, &timing.PixelClock );␊ |
410 | // ␊ |
411 | // // Re-compute CRTC timing based on actual pixel clock.␊ |
412 | // ␊ |
413 | // generateCRTCTiming( minfo.XResolution, minfo.YResolution,␊ |
414 | // timing.PixelClock, kCRTCParamPixelClock,␊ |
415 | // &timing );␊ |
416 | // ␊ |
417 | // // Set the video mode and use specified CRTC timing.␊ |
418 | // ␊ |
419 | // err = setVBEMode( mode | kLinearFrameBufferBit |␊ |
420 | // kCustomRefreshRateBit, &timing );␊ |
421 | // }␊ |
422 | // else␊ |
423 | // {␊ |
424 | // // Set the mode with default refresh rate.␊ |
425 | // ␊ |
426 | // err = setVBEMode( mode | kLinearFrameBufferBit, NULL );␊ |
427 | // }␊ |
428 | ␊ |
429 | // Set the mode with default refresh rate.␊ |
430 | ␊ |
431 | err = setVBEMode( mode | kLinearFrameBufferBit, NULL );␊ |
432 | ␊ |
433 | if ( err != errSuccess )␊ |
434 | {␊ |
435 | break;␊ |
436 | }␊ |
437 | ␊ |
438 | // Set 8-bit color palette.␊ |
439 | ␊ |
440 | if ( minfo.BitsPerPixel == 8 )␊ |
441 | {␊ |
442 | VBEPalette palette;␊ |
443 | setupPalette( &palette, appleClut8 );␊ |
444 | if ((err = setVBEPalette(palette)) != errSuccess)␊ |
445 | {␊ |
446 | break;␊ |
447 | }␊ |
448 | }␊ |
449 | ␊ |
450 | // Is this required for buggy Video BIOS implementations?␊ |
451 | // On which adapter?␊ |
452 | ␊ |
453 | if ( minfo.BytesPerScanline == 0 )␊ |
454 | minfo.BytesPerScanline = ( minfo.XResolution *␊ |
455 | minfo.BitsPerPixel ) >> 3;␊ |
456 | ␊ |
457 | // Update KernBootStruct using info provided by the selected␊ |
458 | // VESA mode.␊ |
459 | ␊ |
460 | bootArgs->Video.v_display = GRAPHICS_MODE;␊ |
461 | bootArgs->Video.v_width = minfo.XResolution;␊ |
462 | bootArgs->Video.v_height = minfo.YResolution;␊ |
463 | bootArgs->Video.v_depth = minfo.BitsPerPixel;␊ |
464 | bootArgs->Video.v_rowBytes = minfo.BytesPerScanline;␊ |
465 | bootArgs->Video.v_baseAddr = VBEMakeUInt32(minfo.PhysBasePtr);␊ |
466 | ␊ |
467 | ␉␉//Azi: mm & attr info on DebugInfo - from AutoResolution branch.␊ |
468 | ␉␉getBoolForKey(kDebugInfoKey, &debugInfo, &bootInfo->bootConfig);␊ |
469 | ␊ |
470 | ␉␉if (debugInfo && showBootBanner)␊ |
471 | ␉␉{␊ |
472 | ␉␉␉gui.screen.mm␉␉ = minfo.MemoryModel;␊ |
473 | ␉␉␉gui.screen.attr␉␉ = minfo.ModeAttributes;␊ |
474 | ␉␉}␊ |
475 | }␊ |
476 | while ( 0 );␊ |
477 | ␊ |
478 | return err;␊ |
479 | }␊ |
480 | ␊ |
481 | int␊ |
482 | convertImage( unsigned short width,␊ |
483 | unsigned short height,␊ |
484 | const unsigned char *imageData,␊ |
485 | unsigned char **newImageData )␊ |
486 | {␊ |
487 | int cnt;␊ |
488 | unsigned char *img = 0;␊ |
489 | unsigned short *img16;␊ |
490 | unsigned long *img32;␊ |
491 | ␊ |
492 | switch ( VIDEO(depth) ) {␊ |
493 | case 16 :␊ |
494 | img16 = malloc(width * height * 2);␊ |
495 | if ( !img16 ) break;␊ |
496 | for (cnt = 0; cnt < (width * height); cnt++)␊ |
497 | img16[cnt] = lookUpCLUTIndex(imageData[cnt], 16);␊ |
498 | img = (unsigned char *)img16;␊ |
499 | break;␊ |
500 | ␊ |
501 | case 32 :␊ |
502 | img32 = malloc(width * height * 4);␊ |
503 | if ( !img32 ) break;␊ |
504 | for (cnt = 0; cnt < (width * height); cnt++)␊ |
505 | img32[cnt] = lookUpCLUTIndex(imageData[cnt], 32);␊ |
506 | img = (unsigned char *)img32;␊ |
507 | break;␊ |
508 | ␊ |
509 | default :␊ |
510 | img = malloc(width * height);␊ |
511 | bcopy(imageData, img, width * height);␊ |
512 | break;␊ |
513 | }␊ |
514 | *newImageData = img;␊ |
515 | return 0;␊ |
516 | }␊ |
517 | ␊ |
518 | int loadPngImage(const char *filename, uint16_t *width, uint16_t *height,␊ |
519 | uint8_t **imageData)␊ |
520 | {␊ |
521 | uint8_t *pngData = NULL;␊ |
522 | int pngFile = 0, pngSize;␊ |
523 | PNG_info_t *info;␊ |
524 | int error = 0;␊ |
525 | ␊ |
526 | pngFile = open_bvdev("bt(0,0)", filename, 0);␊ |
527 | if (pngFile == -1) {␊ |
528 | error = -1;␊ |
529 | goto failed;␊ |
530 | }␊ |
531 | pngSize = file_size(pngFile);␊ |
532 | if (!pngSize) {␊ |
533 | error = -1;␊ |
534 | goto failed;␊ |
535 | }␊ |
536 | pngData = malloc(pngSize);␊ |
537 | if (read(pngFile, (char *) pngData, pngSize) != pngSize) {␊ |
538 | error = -1;␊ |
539 | goto failed;␊ |
540 | }␊ |
541 | ␊ |
542 | PNG_error = -1;␊ |
543 | info = PNG_decode(pngData, pngSize);␊ |
544 | if (PNG_error != 0) {␊ |
545 | error = PNG_error;␊ |
546 | goto failed;␊ |
547 | } else if ((info->width > 0xffff) || (info->height > 0xffff)) {␊ |
548 | error = -1;␊ |
549 | goto failed;␊ |
550 | } else if ((info->width * info->height * 4) != info->image->size) {␊ |
551 | error = -1;␊ |
552 | goto failed;␊ |
553 | }␊ |
554 | ␉uint8_t *result = malloc(info->width*4*info->height);␊ |
555 | *width = info->width;␊ |
556 | *height = info->height;␊ |
557 | ␉memcpy(result, info->image->data, info->width*4*info->height);␊ |
558 | ␉*imageData = result;␊ |
559 | ␊ |
560 | failed:␊ |
561 | ␉png_alloc_free_all();␊ |
562 | if (pngData)␊ |
563 | free(pngData);␊ |
564 | if (pngFile != -1)␊ |
565 | close(pngFile);␊ |
566 | ␊ |
567 | return error;␊ |
568 | }␊ |
569 | ␊ |
570 | int loadEmbeddedPngImage(uint8_t *pngData, int pngSize, uint16_t *width, uint16_t *height, uint8_t **imageData) {␊ |
571 | PNG_info_t *info;␊ |
572 | int error = 0;␊ |
573 | ␉␊ |
574 | PNG_error = -1;␊ |
575 | info = PNG_decode(pngData, pngSize);␊ |
576 | ␉if (PNG_error != 0) {␊ |
577 | error = PNG_error;␊ |
578 | goto failed;␊ |
579 | } else if ((info->width > 0xffff) || (info->height > 0xffff)) {␊ |
580 | error = -1;␊ |
581 | goto failed;␊ |
582 | } else if ((info->width * info->height * 4) != info->image->size) {␊ |
583 | error = -1;␊ |
584 | goto failed;␊ |
585 | }␊ |
586 | ␉uint8_t *result = malloc(info->width*4*info->height);␊ |
587 | ␉*width = info->width;␊ |
588 | *height = info->height;␊ |
589 | ␉memcpy(result, info->image->data, info->width*4*info->height);␊ |
590 | ␉*imageData = result;␊ |
591 | ␊ |
592 | failed:␊ |
593 | ␉png_alloc_free_all();␊ |
594 | ␊ |
595 | return error;␊ |
596 | }␊ |
597 | ␊ |
598 | void blendImage(uint16_t x, uint16_t y, uint16_t width, uint16_t height,␊ |
599 | uint8_t *data)␊ |
600 | {␊ |
601 | uint16_t drawWidth;␊ |
602 | uint8_t *vram = (uint8_t *) VIDEO(baseAddr) + VIDEO(rowBytes) * y + 4 * x;␊ |
603 | ␊ |
604 | drawWidth = MIN(width, VIDEO(width) - x);␊ |
605 | height = MIN(height, VIDEO(height) - y);␊ |
606 | while (height--) {␊ |
607 | ␉␉switch (VIDEO (depth))␊ |
608 | ␉␉{␊ |
609 | ␉␉␉case 32: /* Optimized version*/␊ |
610 | ␉␉␉{␊ |
611 | ␉␉␉␉uint32_t s; uint32_t* d; // Source (img) and destination (bkgd) pixels␊ |
612 | ␉␉␉␉uint32_t a; // Alpha␊ |
613 | ␉␉␉␉uint32_t dstrb, dstg, srcrb, srcg, drb, dg, rb, g, tempB; // Intermediate variables␊ |
614 | ␉␉␉␉uint16_t pos;␊ |
615 | ␉␉␉␉␊ |
616 | ␉␉␉␉for (pos = 0; pos < drawWidth * 4; pos += 4) {␊ |
617 | ␉␉␉␉␉// Fast pseudo-vector alpha blending, adapted from: http://www.stereopsis.com/doubleblend.html␊ |
618 | ␉␉␉␉␉s = *((uint32_t*) (data + pos));␊ |
619 | ␉␉␉␉␉d = (uint32_t*) (vram + pos);␊ |
620 | ␊ |
621 | ␉␉␉␉␉// Flip B and R in source␊ |
622 | ␉␉␉␉␉// TODO: use XCHG and inline assembly to do this in a faster, saner way␊ |
623 | ␉␉␉␉␉tempB = (s & 0xFF0000); // save B␊ |
624 | ␉␉␉␉␉s = (s & 0xFF00FFFF) | ((s & 0xFF) << 16); // put R in B␊ |
625 | ␉␉␉␉␉s = (s & 0xFFFFFF00) | (tempB >> 16); // put B in R␊ |
626 | ␊ |
627 | ␉␉␉␉␉a = (s >> 24) + 1;␊ |
628 | ␊ |
629 | ␉␉␉␉␉dstrb = *d & 0xFF00FF; dstg = *d & 0xFF00;␊ |
630 | ␉␉␉␉␉srcrb = s & 0xFF00FF; srcg = s & 0xFF00;␊ |
631 | ␊ |
632 | ␉␉␉␉␉drb = srcrb - dstrb;␊ |
633 | ␉␉␉␉␉dg = srcg - dstg;␊ |
634 | ␉␉␉␉␉drb *= a; dg *= a;␊ |
635 | ␉␉␉␉␉drb >>= 8; dg >>= 8;␊ |
636 | ␊ |
637 | ␉␉␉␉␉rb = (drb + dstrb) & 0xFF00FF;␊ |
638 | ␉␉␉␉␉g = (dg + dstg) & 0xFF00;␊ |
639 | ␊ |
640 | ␉␉␉␉␉*d = rb | g;␊ |
641 | ␉␉␉␉}␊ |
642 | ␉␉␉}␊ |
643 | ␉␉␉break;␊ |
644 | ␉␉␉␉␊ |
645 | ␉␉␉default: /*Universal version*/␊ |
646 | ␉␉␉{␊ |
647 | ␉␉␉␉uint32_t s; ␊ |
648 | ␉␉␉␉uint32_t a; // Alpha␊ |
649 | ␉␉␉␉uint32_t dr, dg, db, sr, sg, sb; // Intermediate variables␊ |
650 | ␉␉␉␉uint16_t pos;␊ |
651 | ␉␉␉␉int bpp = (VIDEO (depth) + 7)/8;␊ |
652 | ␉␉␉␉␊ |
653 | ␉␉␉␉for (pos = 0; pos < drawWidth; pos ++) {␊ |
654 | ␉␉␉␉␉// Fast pseudo-vector alpha blending, adapted from: http://www.stereopsis.com/doubleblend.html␊ |
655 | ␉␉␉␉␉s = *((uint32_t*) (data + 4*pos));␊ |
656 | ␉␉␉␉␉␊ |
657 | ␉␉␉␉␉sb = (s & 0xFF0000) >> 16;␊ |
658 | ␉␉␉␉␉sg = (s & 0xFF00) >> 8;␊ |
659 | ␉␉␉␉␉sr = (s & 0xFF);␊ |
660 | ␉␉␉␉␉␊ |
661 | ␉␉␉␉␉a = (s >> 24) + 1;␊ |
662 | ␉␉␉␉␉␊ |
663 | ␉␉␉␉␉switch (VIDEO (depth))␊ |
664 | ␉␉␉␉␉{␊ |
665 | ␉␉␉␉␉␉case 24:␊ |
666 | ␉␉␉␉␉␉␉db = ((*(uint32_t *)(vram + bpp*pos))&0xff);␊ |
667 | ␉␉␉␉␉␉␉dg = ((*(uint32_t *)(vram + bpp*pos))&0xff00)>>8;␊ |
668 | ␉␉␉␉␉␉␉dr = ((*(uint32_t *)(vram + bpp*pos))&0xff0000)>>16;␊ |
669 | ␉␉␉␉␉␉␉break;␊ |
670 | ␉␉␉␉␉␉case 16://16-bit seems to be 15-bit␊ |
671 | /*␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
672 | ␉␉␉␉␉␉␉dg = ((*(uint16_t *)(vram + bpp*pos))&0x07e0)>>3;␊ |
673 | ␉␉␉␉␉␉␉dr = ((*(uint16_t *)(vram + bpp*pos))&0xf800)>>8;␊ |
674 | ␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉*/␊ |
675 | ␉␉␉␉␉␉case 15:␊ |
676 | ␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
677 | ␉␉␉␉␉␉␉dg = ((*(uint16_t *)(vram + bpp*pos))&0x03e0)>>2;␊ |
678 | ␉␉␉␉␉␉␉dr = ((*(uint16_t *)(vram + bpp*pos))&0x7c00)>>7;␊ |
679 | ␉␉␉␉␉␉␉break;␉␉␊ |
680 | ␉␉␉␉␉␉default:␊ |
681 | ␉␉␉␉␉␉␉return;␊ |
682 | ␉␉␉␉␉}␊ |
683 | ␊ |
684 | ␉␉␉␉␉dr = (((sr - dr) * a) >> 8) + dr;␊ |
685 | ␉␉␉␉␉dg = (((sg - dg) * a) >> 8) + dg;␊ |
686 | ␉␉␉␉␉db = (((sb - db) * a) >> 8) + db;␊ |
687 | ␉␉␉␉␉switch (VIDEO (depth))␊ |
688 | ␉␉␉␉␉{␊ |
689 | ␉␉␉␉␉␉case 24:␊ |
690 | ␉␉␉␉␉␉␉*(uint32_t *)(vram + bpp*pos) = (*(uint32_t *)(vram + bpp*pos) &0xff000000)␊ |
691 | ␉␉␉␉␉␉␉| (db&0xff) | ((dg&0xff)<<8) | ((dr&0xff)<<16);␊ |
692 | ␉␉␉␉␉␉␉break;␊ |
693 | ␉␉␉␉␉␉case 16:␊ |
694 | //␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xfc)<<3) | ((dr&0xf8)<<8);␊ |
695 | //␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␊ |
696 | ␉␉␉␉␉␉case 15:␊ |
697 | ␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xf8)<<2) | ((dr&0xf8)<<7);␊ |
698 | ␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
699 | ␉␉␉␉␉}␊ |
700 | ␉␉␉␉␉␊ |
701 | ␉␉␉␉}␉␉␉␉␊ |
702 | ␉␉␉}␊ |
703 | ␉␉␉break;␊ |
704 | }␊ |
705 | vram += VIDEO(rowBytes);␊ |
706 | data += width * 4;␊ |
707 | }␊ |
708 | }␊ |
709 | ␊ |
710 | void drawCheckerBoard()␊ |
711 | {␊ |
712 | uint32_t *vram = (uint32_t *) VIDEO(baseAddr);␊ |
713 | uint16_t x, y;␊ |
714 | uint8_t color;␊ |
715 | ␊ |
716 | for (y = 0; y < VIDEO(height); y++, vram += VIDEO(width)) {␊ |
717 | for (x = 0; x < VIDEO(width); x++) {␊ |
718 | color = 204 + 51 * (((x / 8) % 2) == ((y / 8) % 2));␊ |
719 | vram[x] = (color << 16) | (color << 8) | color;␊ |
720 | }␊ |
721 | }␊ |
722 | }␊ |
723 | ␊ |
724 | //==========================================================================␊ |
725 | // LookUpCLUTIndex␊ |
726 | ␊ |
727 | unsigned long lookUpCLUTIndex( unsigned char index,␊ |
728 | unsigned char depth )␊ |
729 | {␊ |
730 | long result, red, green, blue;␊ |
731 | ␊ |
732 | red = appleClut8[index * 3 + 0];␊ |
733 | green = appleClut8[index * 3 + 1];␊ |
734 | blue = appleClut8[index * 3 + 2];␊ |
735 | ␊ |
736 | switch (depth) {␊ |
737 | case 16 :␊ |
738 | result = ((red & 0xF8) << 7) | ␊ |
739 | ((green & 0xF8) << 2) |␊ |
740 | ((blue & 0xF8) >> 3);␊ |
741 | result |= (result << 16);␊ |
742 | break;␊ |
743 | ␊ |
744 | case 32 :␊ |
745 | result = (red << 16) | (green << 8) | blue;␊ |
746 | break;␊ |
747 | ␊ |
748 | default :␊ |
749 | result = index | (index << 8);␊ |
750 | result |= (result << 16);␊ |
751 | break;␊ |
752 | }␊ |
753 | ␊ |
754 | return result;␊ |
755 | }␊ |
756 | ␊ |
757 | //==========================================================================␊ |
758 | // drawColorRectangle␊ |
759 | ␊ |
760 | void * stosl(void * dst, long val, long len)␊ |
761 | {␊ |
762 | asm volatile ( "rep; stosl"␊ |
763 | : "=c" (len), "=D" (dst)␊ |
764 | : "0" (len), "1" (dst), "a" (val)␊ |
765 | : "memory" );␊ |
766 | ␊ |
767 | return dst;␊ |
768 | }␊ |
769 | ␊ |
770 | void drawColorRectangle( unsigned short x,␊ |
771 | unsigned short y,␊ |
772 | unsigned short width,␊ |
773 | unsigned short height,␊ |
774 | unsigned char colorIndex )␊ |
775 | {␊ |
776 | long pixelBytes;␊ |
777 | long color = lookUpCLUTIndex( colorIndex, VIDEO(depth) );␊ |
778 | char * vram;␊ |
779 | ␊ |
780 | pixelBytes = VIDEO(depth) / 8;␊ |
781 | vram = (char *) VIDEO(baseAddr) +␊ |
782 | VIDEO(rowBytes) * y + pixelBytes * x;␊ |
783 | ␊ |
784 | width = MIN(width, VIDEO(width) - x);␊ |
785 | height = MIN(height, VIDEO(height) - y);␊ |
786 | ␊ |
787 | while ( height-- )␊ |
788 | {␊ |
789 | int rem = ( pixelBytes * width ) % 4;␊ |
790 | if ( rem ) bcopy( &color, vram, rem );␊ |
791 | stosl( vram + rem, color, pixelBytes * width / 4 );␊ |
792 | vram += VIDEO(rowBytes);␊ |
793 | }␊ |
794 | }␊ |
795 | ␊ |
796 | //==========================================================================␊ |
797 | // drawDataRectangle␊ |
798 | ␊ |
799 | void drawDataRectangle( unsigned short x,␊ |
800 | unsigned short y,␊ |
801 | unsigned short width,␊ |
802 | unsigned short height,␊ |
803 | unsigned char * data )␊ |
804 | {␊ |
805 | unsigned short drawWidth;␊ |
806 | long pixelBytes = VIDEO(depth) / 8;␊ |
807 | unsigned char * vram = (unsigned char *) VIDEO(baseAddr) +␊ |
808 | VIDEO(rowBytes) * y + pixelBytes * x;␊ |
809 | ␊ |
810 | drawWidth = MIN(width, VIDEO(width) - x);␊ |
811 | height = MIN(height, VIDEO(height) - y);␊ |
812 | while ( height-- ) {␊ |
813 | bcopy( data, vram, drawWidth * pixelBytes );␊ |
814 | vram += VIDEO(rowBytes);␊ |
815 | data += width * pixelBytes;␊ |
816 | }␊ |
817 | }␊ |
818 | ␊ |
819 | void␊ |
820 | loadImageScale (void *input, int iw, int ih, int ip, void *output, int ow, int oh, int op, int or)␊ |
821 | {␊ |
822 | ␉int x,y, off;␊ |
823 | ␉int red=0x7f, green=0x7f, blue=0x7f;␊ |
824 | ␉for (x=0;x<ow;x++)␊ |
825 | ␉␉for (y=0;y<oh;y++)␊ |
826 | ␉␉{␊ |
827 | ␉␉␉off=(x*iw)/ow+((y*ih)/oh)*iw;␊ |
828 | ␉␉␉switch (ip)␊ |
829 | ␉␉␉{␊ |
830 | ␉␉␉␉case 16:␊ |
831 | ␉␉␉␉{␊ |
832 | ␉␉␉␉␉uint16_t val;␊ |
833 | ␉␉␉␉␉val=((uint16_t *)input)[off];␊ |
834 | ␉␉␉␉␉red=(val>>7)&0xf8;␊ |
835 | ␉␉␉␉␉green=(val>>2)&0xf8;␊ |
836 | ␉␉␉␉␉blue=(val<<3)&0xf8;␊ |
837 | ␉␉␉␉␉break;␉␉␊ |
838 | ␉␉␉␉}␊ |
839 | ␉␉␉␉case 32:␊ |
840 | ␉␉␉␉{␊ |
841 | ␉␉␉␉␉uint32_t val;␊ |
842 | ␉␉␉␉␉val=((uint32_t *)input)[off];␊ |
843 | ␉␉␉␉␉red=(val>>16)&0xff;␊ |
844 | ␉␉␉␉␉green=(val>>8)&0xff;␊ |
845 | ␉␉␉␉␉blue=(val)&0xff;␊ |
846 | ␉␉␉␉␉break;␊ |
847 | ␉␉␉␉}␉␉␉␉␊ |
848 | ␉␉␉}␊ |
849 | ␉␉␉char *ptr=(char *)output+x*(op/8)+y*or;␊ |
850 | ␉␉␉switch (op)␊ |
851 | ␉␉␉{␊ |
852 | ␉␉␉␉case 16:␊ |
853 | ␉␉␉␉␉*((uint16_t *)ptr) = ((red & 0xF8) << 7) | ␊ |
854 | ␉␉␉␉␉((green & 0xF8) << 2) |␊ |
855 | ␉␉␉␉␉((blue & 0xF8) >> 3);␊ |
856 | ␉␉␉␉␉break;␊ |
857 | ␉␉␉␉case 32 :␊ |
858 | ␉␉␉␉␉*((uint32_t *)ptr) = (red << 16) | (green << 8) | blue;␊ |
859 | ␉␉␉␉␉break;␊ |
860 | ␉␉␉}␊ |
861 | ␉␉}␊ |
862 | }␊ |
863 | ␊ |
864 | DECLARE_IOHIBERNATEPROGRESSALPHA␊ |
865 | ␊ |
866 | void drawPreview(void *src, uint8_t * saveunder)␊ |
867 | {␊ |
868 | ␉uint8_t * screen;␊ |
869 | ␉uint32_t rowBytes, pixelShift;␊ |
870 | ␉uint32_t x, y;␊ |
871 | ␉int32_t blob;␊ |
872 | ␉uint32_t alpha, in, color, result;␊ |
873 | ␉uint8_t * out;␊ |
874 | ␉void *uncomp;␊ |
875 | ␉int origwidth, origheight, origbpx;␊ |
876 | ␉uint32_t saveindex[kIOHibernateProgressCount] = { 0 };␊ |
877 | ␉␉␊ |
878 | ␉if (src && (uncomp=DecompressData(src, &origwidth, &origheight, &origbpx)))␊ |
879 | ␉{␊ |
880 | ␉␉if (!setVESAGraphicsMode(origwidth, origheight, origbpx, 0))␊ |
881 | ␉␉␉if (initGraphicsMode () != errSuccess)␊ |
882 | ␉␉␉␉return;␊ |
883 | ␉␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
884 | ␉␉rowBytes = VIDEO (rowBytes);␊ |
885 | ␉␉loadImageScale (uncomp, origwidth, origheight, origbpx, screen, VIDEO(width), VIDEO(height), VIDEO(depth), VIDEO (rowBytes));␊ |
886 | ␉}␊ |
887 | ␉else␊ |
888 | ␉{␊ |
889 | ␉␉if (initGraphicsMode () != errSuccess)␊ |
890 | ␉␉␉return;␊ |
891 | ␉␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
892 | ␉␉rowBytes = VIDEO (rowBytes);␊ |
893 | ␉␉// Set the screen to 75% grey.␊ |
894 | drawColorRectangle(0, 0, VIDEO(width), VIDEO(height), 0x01 /* color index */);␊ |
895 | ␉}␊ |
896 | ␉␊ |
897 | ␉␊ |
898 | ␉pixelShift = VIDEO (depth) >> 4;␊ |
899 | ␉if (pixelShift < 1) return;␊ |
900 | ␉␊ |
901 | ␉screen += ((VIDEO (width) ␊ |
902 | ␉␉␉␉- kIOHibernateProgressCount * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << (pixelShift - 1))␊ |
903 | ␉+ (VIDEO (height) - kIOHibernateProgressOriginY - kIOHibernateProgressHeight) * rowBytes;␊ |
904 | ␉␊ |
905 | ␉for (y = 0; y < kIOHibernateProgressHeight; y++)␊ |
906 | ␉{␊ |
907 | ␉␉out = screen + y * rowBytes;␊ |
908 | ␉␉for (blob = 0; blob < kIOHibernateProgressCount; blob++)␊ |
909 | ␉␉{␊ |
910 | ␉␉␉color = blob ? kIOHibernateProgressDarkGray : kIOHibernateProgressMidGray;␊ |
911 | ␉␉␉for (x = 0; x < kIOHibernateProgressWidth; x++)␊ |
912 | ␉␉␉{␊ |
913 | ␉␉␉␉alpha = gIOHibernateProgressAlpha[y][x];␊ |
914 | ␉␉␉␉result = color;␊ |
915 | ␉␉␉␉if (alpha)␊ |
916 | ␉␉␉␉{␊ |
917 | ␉␉␉␉␉if (0xff != alpha)␊ |
918 | ␉␉␉␉␉{␊ |
919 | ␉␉␉␉␉␉if (1 == pixelShift)␊ |
920 | ␉␉␉␉␉␉{␊ |
921 | ␉␉␉␉␉␉␉in = *((uint16_t *)out) & 0x1f;␉// 16␊ |
922 | ␉␉␉␉␉␉␉in = (in << 3) | (in >> 2);␊ |
923 | ␉␉␉␉␉␉}␊ |
924 | ␉␉␉␉␉␉else␊ |
925 | ␉␉␉␉␉␉␉in = *((uint32_t *)out) & 0xff;␉// 32␊ |
926 | ␉␉␉␉␉␉saveunder[blob * kIOHibernateProgressSaveUnderSize + saveindex[blob]++] = in;␊ |
927 | ␉␉␉␉␉␉result = ((255 - alpha) * in + alpha * result + 0xff) >> 8;␊ |
928 | ␉␉␉␉␉}␊ |
929 | ␉␉␉␉␉if (1 == pixelShift)␊ |
930 | ␉␉␉␉␉{␊ |
931 | ␉␉␉␉␉␉result >>= 3;␊ |
932 | ␉␉␉␉␉␉*((uint16_t *)out) = (result << 10) | (result << 5) | result;␉// 16␊ |
933 | ␉␉␉␉␉}␊ |
934 | ␉␉␉␉␉else␊ |
935 | ␉␉␉␉␉␉*((uint32_t *)out) = (result << 16) | (result << 8) | result;␉// 32␊ |
936 | ␉␉␉␉}␊ |
937 | ␉␉␉␉out += (1 << pixelShift);␊ |
938 | ␉␉␉}␊ |
939 | ␉␉␉out += (kIOHibernateProgressSpacing << pixelShift);␊ |
940 | ␉␉}␊ |
941 | ␉}␊ |
942 | }␊ |
943 | ␊ |
944 | void updateProgressBar(uint8_t * saveunder, int32_t firstBlob, int32_t select)␊ |
945 | {␊ |
946 | ␉uint8_t * screen;␊ |
947 | ␉uint32_t rowBytes, pixelShift;␊ |
948 | ␉uint32_t x, y;␊ |
949 | ␉int32_t blob, lastBlob;␊ |
950 | ␉uint32_t alpha, in, color, result;␊ |
951 | ␉uint8_t * out;␊ |
952 | ␉uint32_t saveindex[kIOHibernateProgressCount] = { 0 };␊ |
953 | ␉␊ |
954 | ␉pixelShift = VIDEO(depth) >> 4;␊ |
955 | ␉if (pixelShift < 1) return;␊ |
956 | ␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
957 | ␉rowBytes = VIDEO (rowBytes);␊ |
958 | ␉␊ |
959 | ␉screen += ((VIDEO (width) ␊ |
960 | ␉␉␉␉- kIOHibernateProgressCount * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << (pixelShift - 1))␊ |
961 | ␉+ (VIDEO (height) - kIOHibernateProgressOriginY - kIOHibernateProgressHeight) * rowBytes;␊ |
962 | ␉␊ |
963 | ␉lastBlob = (select < kIOHibernateProgressCount) ? select : (kIOHibernateProgressCount - 1);␊ |
964 | ␉␊ |
965 | ␉screen += (firstBlob * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << pixelShift;␊ |
966 | ␉␊ |
967 | ␉for (y = 0; y < kIOHibernateProgressHeight; y++)␊ |
968 | ␉{␊ |
969 | ␉␉out = screen + y * rowBytes;␊ |
970 | ␉␉for (blob = firstBlob; blob <= lastBlob; blob++)␊ |
971 | ␉␉{␊ |
972 | ␉␉␉color = (blob < select) ? kIOHibernateProgressLightGray : kIOHibernateProgressMidGray;␊ |
973 | ␉␉␉for (x = 0; x < kIOHibernateProgressWidth; x++)␊ |
974 | ␉␉␉{␊ |
975 | ␉␉␉␉alpha = gIOHibernateProgressAlpha[y][x];␊ |
976 | ␉␉␉␉result = color;␊ |
977 | ␉␉␉␉if (alpha)␊ |
978 | ␉␉␉␉{␊ |
979 | ␉␉␉␉␉if (0xff != alpha)␊ |
980 | ␉␉␉␉␉{␊ |
981 | ␉␉␉␉␉␉in = saveunder[blob * kIOHibernateProgressSaveUnderSize + saveindex[blob]++];␊ |
982 | ␉␉␉␉␉␉result = ((255 - alpha) * in + alpha * result + 0xff) / 255;␊ |
983 | ␉␉␉␉␉}␊ |
984 | ␉␉␉␉␉if (1 == pixelShift)␊ |
985 | ␉␉␉␉␉{␊ |
986 | ␉␉␉␉␉␉result >>= 3;␊ |
987 | ␉␉␉␉␉␉*((uint16_t *)out) = (result << 10) | (result << 5) | result;␉// 16␊ |
988 | ␉␉␉␉␉}␊ |
989 | ␉␉␉␉␉else␊ |
990 | ␉␉␉␉␉␉*((uint32_t *)out) = (result << 16) | (result << 8) | result;␉// 32␊ |
991 | ␉␉␉␉}␊ |
992 | ␉␉␉␉out += (1 << pixelShift);␊ |
993 | ␉␉␉}␊ |
994 | ␉␉␉out += (kIOHibernateProgressSpacing << pixelShift);␊ |
995 | ␉␉}␊ |
996 | ␉}␊ |
997 | }␊ |
998 | ␊ |
999 | ␊ |
1000 | //==========================================================================␊ |
1001 | // setVESATextMode␊ |
1002 | ␊ |
1003 | static int␊ |
1004 | setVESATextMode( unsigned short cols,␊ |
1005 | unsigned short rows,␊ |
1006 | unsigned char bitsPerPixel )␊ |
1007 | {␊ |
1008 | VBEModeInfoBlock minfo;␊ |
1009 | unsigned short mode = modeEndOfList;␊ |
1010 | ␊ |
1011 | if ( (cols != 80) || (rows != 25) ) // not 80x25 mode␊ |
1012 | {␊ |
1013 | mode = getVESAModeWithProperties( cols, rows, bitsPerPixel,␊ |
1014 | maColorModeBit |␊ |
1015 | maModeIsSupportedBit,␊ |
1016 | maGraphicsModeBit,␊ |
1017 | &minfo, NULL );␊ |
1018 | }␊ |
1019 | ␊ |
1020 | if ( ( mode == modeEndOfList ) || ( setVBEMode(mode, NULL) != errSuccess ) )␊ |
1021 | {␊ |
1022 | video_mode( 2 ); // VGA BIOS, 80x25 text mode.␊ |
1023 | minfo.XResolution = 80;␊ |
1024 | minfo.YResolution = 25;␊ |
1025 | }␊ |
1026 | ␊ |
1027 | // Update KernBootStruct using info provided by the selected␊ |
1028 | // VESA mode.␊ |
1029 | ␊ |
1030 | bootArgs->Video.v_display = VGA_TEXT_MODE;␊ |
1031 | bootArgs->Video.v_baseAddr = 0xb8000;␊ |
1032 | bootArgs->Video.v_width = minfo.XResolution;␊ |
1033 | bootArgs->Video.v_height = minfo.YResolution;␊ |
1034 | bootArgs->Video.v_depth = 8;␊ |
1035 | bootArgs->Video.v_rowBytes = 0x8000;␊ |
1036 | ␊ |
1037 | return errSuccess; // always return success␊ |
1038 | }␊ |
1039 | ␊ |
1040 | //==========================================================================␊ |
1041 | // getNumberArrayFromProperty␊ |
1042 | ␊ |
1043 | static int␊ |
1044 | getNumberArrayFromProperty( const char * propKey,␊ |
1045 | unsigned long numbers[],␊ |
1046 | unsigned long maxArrayCount )␊ |
1047 | {␊ |
1048 | char * propStr;␊ |
1049 | unsigned long count = 0;␊ |
1050 | ␊ |
1051 | propStr = newStringForKey( (char *) propKey , &bootInfo->bootConfig );␊ |
1052 | if ( propStr )␊ |
1053 | {␊ |
1054 | char * delimiter = propStr;␊ |
1055 | char * p = propStr;␊ |
1056 | ␊ |
1057 | while ( count < maxArrayCount && *p != '\0' )␊ |
1058 | {␊ |
1059 | unsigned long val = strtoul( p, &delimiter, 10 );␊ |
1060 | if ( p != delimiter )␊ |
1061 | {␊ |
1062 | numbers[count++] = val;␊ |
1063 | p = delimiter;␊ |
1064 | }␊ |
1065 | while ( ( *p != '\0' ) && !isdigit(*p) )␊ |
1066 | p++;␊ |
1067 | }␊ |
1068 | ␊ |
1069 | free( propStr );␊ |
1070 | }␊ |
1071 | ␊ |
1072 | return count;␊ |
1073 | }␊ |
1074 | ␊ |
1075 | int initGraphicsMode ()␊ |
1076 | {␊ |
1077 | unsigned long params[4];␊ |
1078 | int count;␊ |
1079 | ␊ |
1080 | params[3] = 0;␊ |
1081 | count = getNumberArrayFromProperty( kGraphicsModeKey, params, 4 );␊ |
1082 | ␊ |
1083 | // Try to find a resolution if "Graphics Mode" setting is not available.␊ |
1084 | if ( count < 3 )␊ |
1085 | {␊ |
1086 | // Use the default resolution if we don't have an initialized GUI.␊ |
1087 | if (gui.screen.width == 0 || gui.screen.height == 0)␊ |
1088 | {␊ |
1089 | gui.screen.width = DEFAULT_SCREEN_WIDTH;␉␊ |
1090 | gui.screen.height = DEFAULT_SCREEN_HEIGHT;␊ |
1091 | }␊ |
1092 | ␊ |
1093 | params[0] = gui.screen.width;␊ |
1094 | params[1] = gui.screen.height;␊ |
1095 | params[2] = 32;␊ |
1096 | }␊ |
1097 | ␊ |
1098 | // Map from pixel format to bits per pixel.␊ |
1099 | ␊ |
1100 | if ( params[2] == 256 ) params[2] = 8;␊ |
1101 | if ( params[2] == 555 ) params[2] = 16;␊ |
1102 | if ( params[2] == 888 ) params[2] = 32;␊ |
1103 | ␊ |
1104 | ␉return setVESAGraphicsMode( params[0], params[1], params[2], params[3] );␉␊ |
1105 | }␊ |
1106 | ␊ |
1107 | //==========================================================================␊ |
1108 | // setVideoMode␊ |
1109 | //␊ |
1110 | // Set the video mode to VGA_TEXT_MODE or GRAPHICS_MODE.␊ |
1111 | ␊ |
1112 | void␊ |
1113 | setVideoMode( int mode, int drawgraphics)␊ |
1114 | {␊ |
1115 | unsigned long params[4];␊ |
1116 | int count;␊ |
1117 | int err = errSuccess;␊ |
1118 | ␊ |
1119 | if ( mode == GRAPHICS_MODE )␊ |
1120 | {␊ |
1121 | ␉␉if ( (err=initGraphicsMode ()) == errSuccess ) {␊ |
1122 | if (gVerboseMode) {␊ |
1123 | // Tell the kernel to use text mode on a linear frame buffer display␊ |
1124 | bootArgs->Video.v_display = FB_TEXT_MODE;␊ |
1125 | } else {␊ |
1126 | bootArgs->Video.v_display = GRAPHICS_MODE;␊ |
1127 | }␊ |
1128 | }␊ |
1129 | }␊ |
1130 | ␊ |
1131 | if ( (mode == VGA_TEXT_MODE) || (err != errSuccess) )␊ |
1132 | {␊ |
1133 | count = getNumberArrayFromProperty( kTextModeKey, params, 2 );␊ |
1134 | if ( count < 2 )␊ |
1135 | {␊ |
1136 | params[0] = 80; // Default text mode is 80x25.␊ |
1137 | params[1] = 25;␊ |
1138 | }␊ |
1139 | ␊ |
1140 | ␉␉setVESATextMode( params[0], params[1], 4 );␊ |
1141 | bootArgs->Video.v_display = VGA_TEXT_MODE;␊ |
1142 | }␊ |
1143 | ␊ |
1144 | currentIndicator = 0;␊ |
1145 | }␊ |
1146 | ␊ |
1147 | void getGraphicModeParams(unsigned long params[]) {␊ |
1148 | ␊ |
1149 | ␉params[3] = 0;␊ |
1150 | ␊ |
1151 | ␉VBEModeInfoBlock minfo;␊ |
1152 | ␊ |
1153 | unsigned short vesaVersion;␊ |
1154 | unsigned short mode = modeEndOfList;␊ |
1155 | ␉␊ |
1156 | ␉getNumberArrayFromProperty( kGraphicsModeKey, params, 4);␊ |
1157 | ␊ |
1158 | ␉mode = getVESAModeWithProperties( params[0], params[1], params[2],␊ |
1159 | ␉␉␉␉␉␉␉␉␉ maColorModeBit |␊ |
1160 | ␉␉␉␉␉␉␉␉␉ maModeIsSupportedBit |␊ |
1161 | ␉␉␉␉␉␉␉␉␉ maGraphicsModeBit |␊ |
1162 | ␉␉␉␉␉␉␉␉␉ maLinearFrameBufferAvailBit,␊ |
1163 | ␉␉␉␉␉␉␉␉␉ 0,␊ |
1164 | ␉␉␉␉␉␉␉␉␉ &minfo, &vesaVersion );␊ |
1165 | ␉␊ |
1166 | ␉params[0] = minfo.XResolution;␊ |
1167 | ␉params[1] = minfo.YResolution;␊ |
1168 | ␉params[2] = 32;␊ |
1169 | }␊ |
1170 | ␉␊ |
1171 | //==========================================================================␊ |
1172 | // Return the current video mode, VGA_TEXT_MODE or GRAPHICS_MODE.␊ |
1173 | ␊ |
1174 | int getVideoMode(void)␊ |
1175 | {␊ |
1176 | return bootArgs->Video.v_display;␊ |
1177 | }␊ |
1178 | ␊ |
1179 | //==========================================================================␊ |
1180 | // Display and clear the activity indicator.␊ |
1181 | ␊ |
1182 | static char indicator[] = {'-', '\\', '|', '/', '-', '\\', '|', '/', '\0'};␊ |
1183 | ␊ |
1184 | // To prevent a ridiculously fast-spinning indicator,␊ |
1185 | // ensure a minimum of 1/9 sec between animation frames.␊ |
1186 | #define MIN_TICKS 2␊ |
1187 | ␊ |
1188 | void␊ |
1189 | spinActivityIndicator(int sectors)␊ |
1190 | {␊ |
1191 | static unsigned long lastTickTime = 0, currentTickTime;␊ |
1192 | ␊ |
1193 | ␉if (previewTotalSectors && previewSaveunder)␊ |
1194 | ␉{␊ |
1195 | ␉␉int blob, lastBlob;␊ |
1196 | ␊ |
1197 | ␉␉lastBlob = (previewLoadedSectors * kIOHibernateProgressCount) / previewTotalSectors;␊ |
1198 | ␉␉previewLoadedSectors+=sectors;␊ |
1199 | ␉␉blob = (previewLoadedSectors * kIOHibernateProgressCount) / previewTotalSectors;␊ |
1200 | ␉␉␊ |
1201 | ␉␉if (blob!=lastBlob)␊ |
1202 | ␉␉␉updateProgressBar (previewSaveunder, lastBlob, blob);␊ |
1203 | ␉␉return;␊ |
1204 | ␉}␊ |
1205 | ␊ |
1206 | ␉currentTickTime = time18(); // late binding␊ |
1207 | ␉if (currentTickTime < lastTickTime + MIN_TICKS)␊ |
1208 | ␉{␊ |
1209 | ␉␉return;␊ |
1210 | ␉}␊ |
1211 | ␉else␊ |
1212 | ␉{␊ |
1213 | ␉␉lastTickTime = currentTickTime;␊ |
1214 | ␉}␊ |
1215 | ␊ |
1216 | ␉if (getVideoMode() == VGA_TEXT_MODE)␊ |
1217 | ␉{␊ |
1218 | ␉␉if (currentIndicator >= sizeof(indicator))␊ |
1219 | ␉␉{␊ |
1220 | ␉␉␉currentIndicator = 0;␊ |
1221 | ␉␉}␊ |
1222 | ␉␉putc(indicator[currentIndicator++]);␊ |
1223 | ␉␉putc('\b');␊ |
1224 | ␉}␊ |
1225 | }␊ |
1226 | ␊ |
1227 | void␊ |
1228 | clearActivityIndicator( void )␊ |
1229 | {␊ |
1230 | if ( getVideoMode() == VGA_TEXT_MODE )␊ |
1231 | {␊ |
1232 | putc(' ');␊ |
1233 | ␉␉putc('\b');␊ |
1234 | }␊ |
1235 | }␊ |
1236 | ␊ |
1237 | |