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 | printf("(Press a key to continue...)");␊ |
128 | getc();␊ |
129 | line = 0;␊ |
130 | clearScreenRows(0, 24);␊ |
131 | setCursorPosition( 0, 0, 1 );␊ |
132 | }␊ |
133 | } ␊ |
134 | if (line != 0) {␊ |
135 | printf("(Press a key to continue...)");␊ |
136 | getc();␊ |
137 | }␊ |
138 | setActiveDisplayPage(0);␊ |
139 | }␊ |
140 | ␊ |
141 | char *getVBEModeInfoString()␊ |
142 | {␊ |
143 | ␉VBEInfoBlock vbeInfo;␊ |
144 | unsigned short * modePtr;␊ |
145 | VBEModeInfoBlock modeInfo;␊ |
146 | int err;␊ |
147 | ␊ |
148 | ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
149 | strcpy( (char*)&vbeInfo, "VBE2" );␊ |
150 | err = getVBEInfo( &vbeInfo );␊ |
151 | if ( err != errSuccess )␊ |
152 | return 0;␊ |
153 | ␉␊ |
154 | ␉char *buff=malloc(sizeof(char)*3072);␊ |
155 | ␉if(!buff) return 0;␊ |
156 | ␊ |
157 | ␉// Loop through the mode list, and find the matching mode.␊ |
158 | for ( modePtr = VBEDecodeFP( unsigned short *, vbeInfo.VideoModePtr );␊ |
159 | *modePtr != modeEndOfList; modePtr++ )␊ |
160 | {␊ |
161 | // Get mode information.␊ |
162 | ␊ |
163 | bzero( &modeInfo, sizeof(modeInfo) );␊ |
164 | err = getVBEModeInfo( *modePtr, &modeInfo );␊ |
165 | if ( err != errSuccess )␊ |
166 | {␊ |
167 | continue;␊ |
168 | }␊ |
169 | ␊ |
170 | sprintf(buff+strlen(buff), "Mode %x: %dx%dx%d mm:%d attr:%x\n",␊ |
171 | *modePtr, modeInfo.XResolution, modeInfo.YResolution,␊ |
172 | modeInfo.BitsPerPixel, modeInfo.MemoryModel,␊ |
173 | modeInfo.ModeAttributes);␊ |
174 | ␊ |
175 | } ␊ |
176 | ␉return buff;␊ |
177 | }␊ |
178 | ␊ |
179 | //==========================================================================␊ |
180 | // getVESAModeWithProperties␊ |
181 | //␊ |
182 | // Return the VESA mode that matches the properties specified.␊ |
183 | // If a mode is not found, then return the "best" available mode.␊ |
184 | ␊ |
185 | static unsigned short␊ |
186 | getVESAModeWithProperties( unsigned short width,␊ |
187 | unsigned short height,␊ |
188 | unsigned char bitsPerPixel,␊ |
189 | unsigned short attributesSet,␊ |
190 | unsigned short attributesClear,␊ |
191 | VBEModeInfoBlock * outModeInfo,␊ |
192 | unsigned short * vesaVersion )␊ |
193 | {␊ |
194 | VBEInfoBlock vbeInfo;␊ |
195 | unsigned short * modePtr;␊ |
196 | VBEModeInfoBlock modeInfo;␊ |
197 | unsigned char modeBitsPerPixel;␊ |
198 | unsigned short matchedMode = modeEndOfList;␊ |
199 | int err;␊ |
200 | ␊ |
201 | // Clear output mode info.␊ |
202 | ␊ |
203 | bzero( outModeInfo, sizeof(*outModeInfo) );␊ |
204 | ␊ |
205 | // Get VBE controller info containing the list of supported modes.␊ |
206 | ␊ |
207 | bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
208 | strcpy( (char*)&vbeInfo, "VBE2" );␊ |
209 | err = getVBEInfo( &vbeInfo );␊ |
210 | if ( err != errSuccess )␊ |
211 | {␊ |
212 | return modeEndOfList;␊ |
213 | }␊ |
214 | ␊ |
215 | // Report the VESA major/minor version number.␊ |
216 | ␊ |
217 | if (vesaVersion) *vesaVersion = vbeInfo.VESAVersion;␊ |
218 | ␊ |
219 | // Loop through the mode list, and find the matching mode.␊ |
220 | ␊ |
221 | for ( modePtr = VBEDecodeFP( unsigned short *, vbeInfo.VideoModePtr );␊ |
222 | *modePtr != modeEndOfList; modePtr++ )␊ |
223 | {␊ |
224 | // Get mode information.␊ |
225 | ␊ |
226 | bzero( &modeInfo, sizeof(modeInfo) );␊ |
227 | err = getVBEModeInfo( *modePtr, &modeInfo );␊ |
228 | if ( err != errSuccess )␊ |
229 | {␊ |
230 | continue;␊ |
231 | }␊ |
232 | ␊ |
233 | #if DEBUG␊ |
234 | printf("Mode %x: %dx%dx%d mm:%d attr:%x\n",␊ |
235 | *modePtr, modeInfo.XResolution, modeInfo.YResolution,␊ |
236 | modeInfo.BitsPerPixel, modeInfo.MemoryModel,␊ |
237 | modeInfo.ModeAttributes);␊ |
238 | #endif␊ |
239 | ␊ |
240 | // Filter out unwanted modes based on mode attributes.␊ |
241 | ␊ |
242 | if ( ( ( modeInfo.ModeAttributes & attributesSet ) != attributesSet )␊ |
243 | || ( ( modeInfo.ModeAttributes & attributesClear ) != 0 ) )␊ |
244 | {␊ |
245 | continue;␊ |
246 | }␊ |
247 | ␊ |
248 | // Pixel depth in bits.␊ |
249 | ␊ |
250 | modeBitsPerPixel = modeInfo.BitsPerPixel;␊ |
251 | ␊ |
252 | if ( ( modeBitsPerPixel == 4 ) && ( modeInfo.MemoryModel == 0 ) )␊ |
253 | {␊ |
254 | // Text mode, 16 colors.␊ |
255 | }␊ |
256 | else if ( ( modeBitsPerPixel == 8 ) && ( modeInfo.MemoryModel == 4 ) )␊ |
257 | {␊ |
258 | // Packed pixel, 256 colors.␊ |
259 | }␊ |
260 | else if ( ( ( modeBitsPerPixel == 16 ) || ( modeBitsPerPixel == 15 ) )␊ |
261 | && ( modeInfo.MemoryModel == 6 )␊ |
262 | && ( modeInfo.RedMaskSize == 5 )␊ |
263 | && ( modeInfo.GreenMaskSize == 5 )␊ |
264 | && ( modeInfo.BlueMaskSize == 5 ) )␊ |
265 | {␊ |
266 | // Direct color, 16 bpp (1:5:5:5).␊ |
267 | modeInfo.BitsPerPixel = modeBitsPerPixel = 16;␊ |
268 | }␊ |
269 | else if ( ( modeBitsPerPixel == 32 )␊ |
270 | && ( modeInfo.MemoryModel == 6 )␊ |
271 | && ( modeInfo.RedMaskSize == 8 )␊ |
272 | && ( modeInfo.GreenMaskSize == 8 )␊ |
273 | && ( modeInfo.BlueMaskSize == 8 ) )␊ |
274 | {␊ |
275 | // Direct color, 32 bpp (8:8:8:8).␊ |
276 | }␊ |
277 | else␊ |
278 | {␊ |
279 | continue; // Not a supported mode.␊ |
280 | }␊ |
281 | ␊ |
282 | // Modes larger than the specified dimensions are skipped.␊ |
283 | ␊ |
284 | if ( ( modeInfo.XResolution > width ) ||␊ |
285 | ( modeInfo.YResolution > height ) )␊ |
286 | {␊ |
287 | continue;␊ |
288 | }␊ |
289 | ␊ |
290 | // Perfect match, we're done looking.␊ |
291 | ␊ |
292 | if ( ( modeInfo.XResolution == width ) &&␊ |
293 | ( modeInfo.YResolution == height ) &&␊ |
294 | ( modeBitsPerPixel == bitsPerPixel ) )␊ |
295 | {␊ |
296 | matchedMode = *modePtr;␊ |
297 | bcopy( &modeInfo, outModeInfo, sizeof(modeInfo) );␊ |
298 | break;␊ |
299 | }␊ |
300 | ␊ |
301 | // Save the next "best" mode in case a perfect match is not found.␊ |
302 | ␊ |
303 | if ( modeInfo.XResolution == outModeInfo->XResolution &&␊ |
304 | modeInfo.YResolution == outModeInfo->YResolution &&␊ |
305 | modeBitsPerPixel <= outModeInfo->BitsPerPixel )␊ |
306 | {␊ |
307 | continue; // Saved mode has more depth.␊ |
308 | }␊ |
309 | if ( modeInfo.XResolution < outModeInfo->XResolution ||␊ |
310 | modeInfo.YResolution < outModeInfo->YResolution ||␊ |
311 | modeBitsPerPixel < outModeInfo->BitsPerPixel )␊ |
312 | {␊ |
313 | continue; // Saved mode has more resolution.␊ |
314 | }␊ |
315 | ␊ |
316 | matchedMode = *modePtr;␊ |
317 | bcopy( &modeInfo, outModeInfo, sizeof(modeInfo) );␊ |
318 | }␊ |
319 | ␊ |
320 | return matchedMode;␊ |
321 | }␊ |
322 | ␊ |
323 | //==========================================================================␊ |
324 | // setupPalette␊ |
325 | ␊ |
326 | static void setupPalette( VBEPalette * p, const unsigned char * g )␊ |
327 | {␊ |
328 | int i;␊ |
329 | unsigned char * source = (unsigned char *) g;␊ |
330 | ␊ |
331 | for (i = 0; i < 256; i++)␊ |
332 | {␊ |
333 | (*p)[i] = 0;␊ |
334 | (*p)[i] |= ((unsigned long)((*source++) >> 2)) << 16; // Red␊ |
335 | (*p)[i] |= ((unsigned long)((*source++) >> 2)) << 8; // Green␊ |
336 | (*p)[i] |= ((unsigned long)((*source++) >> 2)); // Blue␊ |
337 | }␊ |
338 | }␊ |
339 | ␊ |
340 | //==========================================================================␊ |
341 | // Simple decompressor for boot images encoded in RLE format.␊ |
342 | ␊ |
343 | char * decodeRLE( const void * rleData, int rleBlocks, int outBytes )␊ |
344 | {␊ |
345 | char *out, *cp;␊ |
346 | ␊ |
347 | struct RLEBlock {␊ |
348 | unsigned char count;␊ |
349 | unsigned char value;␊ |
350 | } * bp = (struct RLEBlock *) rleData;␊ |
351 | ␊ |
352 | out = cp = (char *) malloc( outBytes );␊ |
353 | if ( out == NULL ) return NULL;␊ |
354 | ␊ |
355 | while ( rleBlocks-- )␊ |
356 | {␊ |
357 | memset( cp, bp->value, bp->count );␊ |
358 | cp += bp->count;␊ |
359 | bp++;␊ |
360 | }␊ |
361 | ␊ |
362 | return out;␊ |
363 | }␊ |
364 | ␊ |
365 | //==========================================================================␊ |
366 | // setVESAGraphicsMode␊ |
367 | ␊ |
368 | static int␊ |
369 | setVESAGraphicsMode( unsigned short width,␊ |
370 | unsigned short height,␊ |
371 | unsigned char bitsPerPixel,␊ |
372 | unsigned short refreshRate )␊ |
373 | {␊ |
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 | }␊ |
468 | while ( 0 );␊ |
469 | ␊ |
470 | return err;␊ |
471 | }␊ |
472 | ␊ |
473 | int␊ |
474 | convertImage( unsigned short width,␊ |
475 | unsigned short height,␊ |
476 | const unsigned char *imageData,␊ |
477 | unsigned char **newImageData )␊ |
478 | {␊ |
479 | int cnt;␊ |
480 | unsigned char *img = 0;␊ |
481 | unsigned short *img16;␊ |
482 | unsigned long *img32;␊ |
483 | ␊ |
484 | switch ( VIDEO(depth) ) {␊ |
485 | case 16 :␊ |
486 | img16 = malloc(width * height * 2);␊ |
487 | if ( !img16 ) break;␊ |
488 | for (cnt = 0; cnt < (width * height); cnt++)␊ |
489 | img16[cnt] = lookUpCLUTIndex(imageData[cnt], 16);␊ |
490 | img = (unsigned char *)img16;␊ |
491 | break;␊ |
492 | ␊ |
493 | case 32 :␊ |
494 | img32 = malloc(width * height * 4);␊ |
495 | if ( !img32 ) break;␊ |
496 | for (cnt = 0; cnt < (width * height); cnt++)␊ |
497 | img32[cnt] = lookUpCLUTIndex(imageData[cnt], 32);␊ |
498 | img = (unsigned char *)img32;␊ |
499 | break;␊ |
500 | ␊ |
501 | default :␊ |
502 | img = malloc(width * height);␊ |
503 | bcopy(imageData, img, width * height);␊ |
504 | break;␊ |
505 | }␊ |
506 | *newImageData = img;␊ |
507 | return 0;␊ |
508 | }␊ |
509 | ␊ |
510 | int loadPngImage(const char *filename, uint16_t *width, uint16_t *height,␊ |
511 | uint8_t **imageData)␊ |
512 | {␊ |
513 | uint8_t *pngData = NULL;␊ |
514 | int pngFile = 0, pngSize;␊ |
515 | PNG_info_t *info;␊ |
516 | int error = 0;␊ |
517 | ␊ |
518 | pngFile = open(filename, 0);␊ |
519 | if (pngFile == -1) {␊ |
520 | error = -1;␊ |
521 | goto failed;␊ |
522 | }␊ |
523 | pngSize = file_size(pngFile);␊ |
524 | if (!pngSize) {␊ |
525 | error = -1;␊ |
526 | goto failed;␊ |
527 | }␊ |
528 | pngData = malloc(pngSize);␊ |
529 | if (read(pngFile, (char *) pngData, pngSize) != pngSize) {␊ |
530 | error = -1;␊ |
531 | goto failed;␊ |
532 | }␊ |
533 | ␊ |
534 | PNG_error = -1;␊ |
535 | info = PNG_decode(pngData, pngSize);␊ |
536 | if (PNG_error != 0) {␊ |
537 | error = PNG_error;␊ |
538 | goto failed;␊ |
539 | } else if ((info->width > 0xffff) || (info->height > 0xffff)) {␊ |
540 | error = -1;␊ |
541 | goto failed;␊ |
542 | } else if ((info->width * info->height * 4) != info->image->size) {␊ |
543 | error = -1;␊ |
544 | goto failed;␊ |
545 | }␊ |
546 | ␉uint8_t *result = malloc(info->width*4*info->height);␊ |
547 | *width = info->width;␊ |
548 | *height = info->height;␊ |
549 | ␉memcpy(result, info->image->data, info->width*4*info->height);␊ |
550 | ␉*imageData = result;␊ |
551 | ␊ |
552 | failed:␊ |
553 | ␉png_alloc_free_all();␊ |
554 | if (pngData)␊ |
555 | free(pngData);␊ |
556 | if (pngFile != -1)␊ |
557 | close(pngFile);␊ |
558 | ␊ |
559 | return error;␊ |
560 | }␊ |
561 | ␊ |
562 | int loadEmbeddedPngImage(uint8_t *pngData, int pngSize, uint16_t *width, uint16_t *height, uint8_t **imageData) {␊ |
563 | PNG_info_t *info;␊ |
564 | int error = 0;␊ |
565 | ␉␊ |
566 | PNG_error = -1;␊ |
567 | info = PNG_decode(pngData, pngSize);␊ |
568 | ␉if (PNG_error != 0) {␊ |
569 | error = PNG_error;␊ |
570 | goto failed;␊ |
571 | } else if ((info->width > 0xffff) || (info->height > 0xffff)) {␊ |
572 | error = -1;␊ |
573 | goto failed;␊ |
574 | } else if ((info->width * info->height * 4) != info->image->size) {␊ |
575 | error = -1;␊ |
576 | goto failed;␊ |
577 | }␊ |
578 | ␉uint8_t *result = malloc(info->width*4*info->height);␊ |
579 | ␉*width = info->width;␊ |
580 | *height = info->height;␊ |
581 | ␉memcpy(result, info->image->data, info->width*4*info->height);␊ |
582 | ␉*imageData = result;␊ |
583 | ␊ |
584 | failed:␊ |
585 | ␉png_alloc_free_all();␊ |
586 | ␊ |
587 | return error;␊ |
588 | }␊ |
589 | ␊ |
590 | int loadPixmapFromPng(const char *filename, pixmap_t *p)␊ |
591 | {␊ |
592 | ␉uint16_t width=0,height=0;␊ |
593 | ␉uint8_t *imagedata = 0;␊ |
594 | ␉␊ |
595 | ␉pixmap_t *pm=malloc(sizeof(pixmap_t));␊ |
596 | ␉if(!pm) return 0;␊ |
597 | ␉if((loadPngImage(filename, &width, &height, &imagedata))!=0) return 0;␊ |
598 | ␉pm->width = width;␊ |
599 | ␉pm->height = height;␊ |
600 | ␉pm->pixels = (pixel_t *)imagedata;␊ |
601 | ␉␊ |
602 | ␉flipRB(pm);␊ |
603 | ␉*p=*pm;␊ |
604 | ␊ |
605 | ␉return 1;␊ |
606 | }␊ |
607 | ␊ |
608 | int loadPixmapFromEmbeddedPng(uint8_t *pngData, uint32_t pngSize, pixmap_t *p)␊ |
609 | {␊ |
610 | ␉uint16_t width=0,height=0;␊ |
611 | ␉uint8_t *imagedata = 0;␊ |
612 | ␊ |
613 | ␉pixmap_t *pm=malloc(sizeof(pixmap_t));␊ |
614 | ␉if(!pm) return 0;␊ |
615 | ␉if((loadEmbeddedPngImage(pngData, pngSize, &width, &height, &imagedata))!=0) return 0;␊ |
616 | ␉pm->width = width;␊ |
617 | ␉pm->height = height;␊ |
618 | ␉pm->pixels = (pixel_t *)imagedata;␊ |
619 | ␊ |
620 | ␉flipRB(pm);␊ |
621 | ␉*p=*pm;␊ |
622 | ␉␊ |
623 | ␉return 1;␊ |
624 | }␊ |
625 | ␊ |
626 | void blendImage(uint16_t x, uint16_t y, uint16_t width, uint16_t height,␊ |
627 | uint8_t *data)␊ |
628 | {␊ |
629 | uint16_t drawWidth;␊ |
630 | uint8_t *vram = (uint8_t *) VIDEO(baseAddr) + VIDEO(rowBytes) * y + 4 * x;␊ |
631 | ␊ |
632 | drawWidth = MIN(width, VIDEO(width) - x);␊ |
633 | height = MIN(height, VIDEO(height) - y);␊ |
634 | while (height--) {␊ |
635 | ␉␉switch (VIDEO (depth))␊ |
636 | ␉␉{␊ |
637 | ␉␉␉case 32: /* Optimized version*/␊ |
638 | ␉␉␉{␊ |
639 | ␉␉␉␉uint32_t s; uint32_t* d; // Source (img) and destination (bkgd) pixels␊ |
640 | ␉␉␉␉uint32_t a; // Alpha␊ |
641 | ␉␉␉␉uint32_t dstrb, dstg, srcrb, srcg, drb, dg, rb, g, tempB; // Intermediate variables␊ |
642 | ␉␉␉␉uint16_t pos;␊ |
643 | ␉␉␉␉␊ |
644 | ␉␉␉␉for (pos = 0; pos < drawWidth * 4; pos += 4) {␊ |
645 | ␉␉␉␉␉// Fast pseudo-vector alpha blending, adapted from: http://www.stereopsis.com/doubleblend.html␊ |
646 | ␉␉␉␉␉s = *((uint32_t*) (data + pos));␊ |
647 | ␉␉␉␉␉d = (uint32_t*) (vram + pos);␊ |
648 | ␊ |
649 | ␉␉␉␉␉// Flip B and R in source␊ |
650 | ␉␉␉␉␉// TODO: use XCHG and inline assembly to do this in a faster, saner way␊ |
651 | ␉␉␉␉␉tempB = (s & 0xFF0000); // save B␊ |
652 | ␉␉␉␉␉s = (s & 0xFF00FFFF) | ((s & 0xFF) << 16); // put R in B␊ |
653 | ␉␉␉␉␉s = (s & 0xFFFFFF00) | (tempB >> 16); // put B in R␊ |
654 | ␊ |
655 | ␉␉␉␉␉a = (s >> 24) + 1;␊ |
656 | ␊ |
657 | ␉␉␉␉␉dstrb = *d & 0xFF00FF; dstg = *d & 0xFF00;␊ |
658 | ␉␉␉␉␉srcrb = s & 0xFF00FF; srcg = s & 0xFF00;␊ |
659 | ␊ |
660 | ␉␉␉␉␉drb = srcrb - dstrb;␊ |
661 | ␉␉␉␉␉dg = srcg - dstg;␊ |
662 | ␉␉␉␉␉drb *= a; dg *= a;␊ |
663 | ␉␉␉␉␉drb >>= 8; dg >>= 8;␊ |
664 | ␊ |
665 | ␉␉␉␉␉rb = (drb + dstrb) & 0xFF00FF;␊ |
666 | ␉␉␉␉␉g = (dg + dstg) & 0xFF00;␊ |
667 | ␊ |
668 | ␉␉␉␉␉*d = rb | g;␊ |
669 | ␉␉␉␉}␊ |
670 | ␉␉␉}␊ |
671 | ␉␉␉break;␊ |
672 | ␉␉␉␉␊ |
673 | ␉␉␉default: /*Universal version*/␊ |
674 | ␉␉␉{␊ |
675 | ␉␉␉␉uint32_t s; ␊ |
676 | ␉␉␉␉uint32_t a; // Alpha␊ |
677 | ␉␉␉␉uint32_t dr, dg, db, sr, sg, sb; // Intermediate variables␊ |
678 | ␉␉␉␉uint16_t pos;␊ |
679 | ␉␉␉␉int bpp = (VIDEO (depth) + 7)/8;␊ |
680 | ␉␉␉␉␊ |
681 | ␉␉␉␉for (pos = 0; pos < drawWidth; pos ++) {␊ |
682 | ␉␉␉␉␉// Fast pseudo-vector alpha blending, adapted from: http://www.stereopsis.com/doubleblend.html␊ |
683 | ␉␉␉␉␉s = *((uint32_t*) (data + 4*pos));␊ |
684 | ␉␉␉␉␉␊ |
685 | ␉␉␉␉␉sb = (s & 0xFF0000) >> 16;␊ |
686 | ␉␉␉␉␉sg = (s & 0xFF00) >> 8;␊ |
687 | ␉␉␉␉␉sr = (s & 0xFF);␊ |
688 | ␉␉␉␉␉␊ |
689 | ␉␉␉␉␉a = (s >> 24) + 1;␊ |
690 | ␉␉␉␉␉␊ |
691 | ␉␉␉␉␉switch (VIDEO (depth))␊ |
692 | ␉␉␉␉␉{␊ |
693 | ␉␉␉␉␉␉case 24:␊ |
694 | ␉␉␉␉␉␉␉db = ((*(uint32_t *)(vram + bpp*pos))&0xff);␊ |
695 | ␉␉␉␉␉␉␉dg = ((*(uint32_t *)(vram + bpp*pos))&0xff00)>>8;␊ |
696 | ␉␉␉␉␉␉␉dr = ((*(uint32_t *)(vram + bpp*pos))&0xff0000)>>16;␊ |
697 | ␉␉␉␉␉␉␉break;␊ |
698 | ␉␉␉␉␉␉case 16://16-bit seems to be 15-bit␊ |
699 | /*␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
700 | ␉␉␉␉␉␉␉dg = ((*(uint16_t *)(vram + bpp*pos))&0x07e0)>>3;␊ |
701 | ␉␉␉␉␉␉␉dr = ((*(uint16_t *)(vram + bpp*pos))&0xf800)>>8;␊ |
702 | ␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉*/␊ |
703 | ␉␉␉␉␉␉case 15:␊ |
704 | ␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
705 | ␉␉␉␉␉␉␉dg = ((*(uint16_t *)(vram + bpp*pos))&0x03e0)>>2;␊ |
706 | ␉␉␉␉␉␉␉dr = ((*(uint16_t *)(vram + bpp*pos))&0x7c00)>>7;␊ |
707 | ␉␉␉␉␉␉␉break;␉␉␊ |
708 | ␉␉␉␉␉␉default:␊ |
709 | ␉␉␉␉␉␉␉return;␊ |
710 | ␉␉␉␉␉}␊ |
711 | ␊ |
712 | ␉␉␉␉␉dr = (((sr - dr) * a) >> 8) + dr;␊ |
713 | ␉␉␉␉␉dg = (((sg - dg) * a) >> 8) + dg;␊ |
714 | ␉␉␉␉␉db = (((sb - db) * a) >> 8) + db;␊ |
715 | ␉␉␉␉␉switch (VIDEO (depth))␊ |
716 | ␉␉␉␉␉{␊ |
717 | ␉␉␉␉␉␉case 24:␊ |
718 | ␉␉␉␉␉␉␉*(uint32_t *)(vram + bpp*pos) = (*(uint32_t *)(vram + bpp*pos) &0xff000000)␊ |
719 | ␉␉␉␉␉␉␉| (db&0xff) | ((dg&0xff)<<8) | ((dr&0xff)<<16);␊ |
720 | ␉␉␉␉␉␉␉break;␊ |
721 | ␉␉␉␉␉␉case 16:␊ |
722 | //␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xfc)<<3) | ((dr&0xf8)<<8);␊ |
723 | //␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␊ |
724 | ␉␉␉␉␉␉case 15:␊ |
725 | ␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xf8)<<2) | ((dr&0xf8)<<7);␊ |
726 | ␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
727 | ␉␉␉␉␉}␊ |
728 | ␉␉␉␉␉␊ |
729 | ␉␉␉␉}␉␉␉␉␊ |
730 | ␉␉␉}␊ |
731 | ␉␉␉break;␊ |
732 | }␊ |
733 | vram += VIDEO(rowBytes);␊ |
734 | data += width * 4;␊ |
735 | }␊ |
736 | }␊ |
737 | ␊ |
738 | void drawCheckerBoard()␊ |
739 | {␊ |
740 | uint32_t *vram = (uint32_t *) VIDEO(baseAddr);␊ |
741 | uint16_t x, y;␊ |
742 | uint8_t color;␊ |
743 | ␊ |
744 | for (y = 0; y < VIDEO(height); y++, vram += VIDEO(width)) {␊ |
745 | for (x = 0; x < VIDEO(width); x++) {␊ |
746 | color = 204 + 51 * (((x / 8) % 2) == ((y / 8) % 2));␊ |
747 | vram[x] = (color << 16) | (color << 8) | color;␊ |
748 | }␊ |
749 | }␊ |
750 | }␊ |
751 | ␊ |
752 | //==========================================================================␊ |
753 | // LookUpCLUTIndex␊ |
754 | ␊ |
755 | unsigned long lookUpCLUTIndex( unsigned char index,␊ |
756 | unsigned char depth )␊ |
757 | {␊ |
758 | long result, red, green, blue;␊ |
759 | ␊ |
760 | red = appleClut8[index * 3 + 0];␊ |
761 | green = appleClut8[index * 3 + 1];␊ |
762 | blue = appleClut8[index * 3 + 2];␊ |
763 | ␊ |
764 | switch (depth) {␊ |
765 | case 16 :␊ |
766 | result = ((red & 0xF8) << 7) | ␊ |
767 | ((green & 0xF8) << 2) |␊ |
768 | ((blue & 0xF8) >> 3);␊ |
769 | result |= (result << 16);␊ |
770 | break;␊ |
771 | ␊ |
772 | case 32 :␊ |
773 | result = (red << 16) | (green << 8) | blue;␊ |
774 | break;␊ |
775 | ␊ |
776 | default :␊ |
777 | result = index | (index << 8);␊ |
778 | result |= (result << 16);␊ |
779 | break;␊ |
780 | }␊ |
781 | ␊ |
782 | return result;␊ |
783 | }␊ |
784 | ␊ |
785 | //==========================================================================␊ |
786 | // drawColorRectangle␊ |
787 | ␊ |
788 | void * stosl(void * dst, long val, long len)␊ |
789 | {␊ |
790 | asm volatile ( "rep; stosl"␊ |
791 | : "=c" (len), "=D" (dst)␊ |
792 | : "0" (len), "1" (dst), "a" (val)␊ |
793 | : "memory" );␊ |
794 | ␊ |
795 | return dst;␊ |
796 | }␊ |
797 | ␊ |
798 | void drawColorRectangle( unsigned short x,␊ |
799 | unsigned short y,␊ |
800 | unsigned short width,␊ |
801 | unsigned short height,␊ |
802 | unsigned char colorIndex )␊ |
803 | {␊ |
804 | long pixelBytes;␊ |
805 | long color = lookUpCLUTIndex( colorIndex, VIDEO(depth) );␊ |
806 | char * vram;␊ |
807 | ␊ |
808 | pixelBytes = VIDEO(depth) / 8;␊ |
809 | vram = (char *) VIDEO(baseAddr) +␊ |
810 | VIDEO(rowBytes) * y + pixelBytes * x;␊ |
811 | ␊ |
812 | width = MIN(width, VIDEO(width) - x);␊ |
813 | height = MIN(height, VIDEO(height) - y);␊ |
814 | ␊ |
815 | while ( height-- )␊ |
816 | {␊ |
817 | int rem = ( pixelBytes * width ) % 4;␊ |
818 | if ( rem ) bcopy( &color, vram, rem );␊ |
819 | stosl( vram + rem, color, pixelBytes * width / 4 );␊ |
820 | vram += VIDEO(rowBytes);␊ |
821 | }␊ |
822 | }␊ |
823 | ␊ |
824 | //==========================================================================␊ |
825 | // drawDataRectangle␊ |
826 | ␊ |
827 | void drawDataRectangle( unsigned short x,␊ |
828 | unsigned short y,␊ |
829 | unsigned short width,␊ |
830 | unsigned short height,␊ |
831 | unsigned char * data )␊ |
832 | {␊ |
833 | unsigned short drawWidth;␊ |
834 | long pixelBytes = VIDEO(depth) / 8;␊ |
835 | unsigned char * vram = (unsigned char *) VIDEO(baseAddr) +␊ |
836 | VIDEO(rowBytes) * y + pixelBytes * x;␊ |
837 | ␊ |
838 | drawWidth = MIN(width, VIDEO(width) - x);␊ |
839 | height = MIN(height, VIDEO(height) - y);␊ |
840 | while ( height-- ) {␊ |
841 | bcopy( data, vram, drawWidth * pixelBytes );␊ |
842 | vram += VIDEO(rowBytes);␊ |
843 | data += width * pixelBytes;␊ |
844 | }␊ |
845 | }␊ |
846 | ␊ |
847 | void␊ |
848 | loadImageScale (void *input, int iw, int ih, int ip, void *output, int ow, int oh, int op, int or)␊ |
849 | {␊ |
850 | ␉int x,y, off;␊ |
851 | ␉int red=0x7f, green=0x7f, blue=0x7f;␊ |
852 | ␉for (x=0;x<ow;x++)␊ |
853 | ␉␉for (y=0;y<oh;y++)␊ |
854 | ␉␉{␊ |
855 | ␉␉␉off=(x*iw)/ow+((y*ih)/oh)*iw;␊ |
856 | ␉␉␉switch (ip)␊ |
857 | ␉␉␉{␊ |
858 | ␉␉␉␉case 16:␊ |
859 | ␉␉␉␉{␊ |
860 | ␉␉␉␉␉uint16_t val;␊ |
861 | ␉␉␉␉␉val=((uint16_t *)input)[off];␊ |
862 | ␉␉␉␉␉red=(val>>7)&0xf8;␊ |
863 | ␉␉␉␉␉green=(val>>2)&0xf8;␊ |
864 | ␉␉␉␉␉blue=(val<<3)&0xf8;␊ |
865 | ␉␉␉␉␉break;␉␉␊ |
866 | ␉␉␉␉}␊ |
867 | ␉␉␉␉case 32:␊ |
868 | ␉␉␉␉{␊ |
869 | ␉␉␉␉␉uint32_t val;␊ |
870 | ␉␉␉␉␉val=((uint32_t *)input)[off];␊ |
871 | ␉␉␉␉␉red=(val>>16)&0xff;␊ |
872 | ␉␉␉␉␉green=(val>>8)&0xff;␊ |
873 | ␉␉␉␉␉blue=(val)&0xff;␊ |
874 | ␉␉␉␉␉break;␊ |
875 | ␉␉␉␉}␉␉␉␉␊ |
876 | ␉␉␉}␊ |
877 | ␉␉␉char *ptr=(char *)output+x*(op/8)+y*or;␊ |
878 | ␉␉␉switch (op)␊ |
879 | ␉␉␉{␊ |
880 | ␉␉␉␉case 16:␊ |
881 | ␉␉␉␉␉*((uint16_t *)ptr) = ((red & 0xF8) << 7) | ␊ |
882 | ␉␉␉␉␉((green & 0xF8) << 2) |␊ |
883 | ␉␉␉␉␉((blue & 0xF8) >> 3);␊ |
884 | ␉␉␉␉␉break;␊ |
885 | ␉␉␉␉case 32 :␊ |
886 | ␉␉␉␉␉*((uint32_t *)ptr) = (red << 16) | (green << 8) | blue;␊ |
887 | ␉␉␉␉␉break;␊ |
888 | ␉␉␉}␊ |
889 | ␉␉}␊ |
890 | }␊ |
891 | ␊ |
892 | DECLARE_IOHIBERNATEPROGRESSALPHA␊ |
893 | ␊ |
894 | void drawPreview(void *src, uint8_t * saveunder)␊ |
895 | {␊ |
896 | ␉uint8_t * screen;␊ |
897 | ␉uint32_t rowBytes, pixelShift;␊ |
898 | ␉uint32_t x, y;␊ |
899 | ␉int32_t blob;␊ |
900 | ␉uint32_t alpha, in, color, result;␊ |
901 | ␉uint8_t * out;␊ |
902 | ␉void *uncomp;␊ |
903 | ␉int origwidth, origheight, origbpx;␊ |
904 | ␉uint32_t saveindex[kIOHibernateProgressCount] = { 0 };␊ |
905 | ␉␉␊ |
906 | ␉if (src && (uncomp=DecompressData(src, &origwidth, &origheight, &origbpx)))␊ |
907 | ␉{␊ |
908 | ␉␉if (!setVESAGraphicsMode(origwidth, origheight, origbpx, 0))␊ |
909 | ␉␉␉if (initGraphicsMode () != errSuccess)␊ |
910 | ␉␉␉␉return;␊ |
911 | ␉␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
912 | ␉␉rowBytes = VIDEO (rowBytes);␊ |
913 | ␉␉loadImageScale (uncomp, origwidth, origheight, origbpx, screen, VIDEO(width), VIDEO(height), VIDEO(depth), VIDEO (rowBytes));␊ |
914 | ␉}␊ |
915 | ␉else␊ |
916 | ␉{␊ |
917 | ␉␉if (initGraphicsMode () != errSuccess)␊ |
918 | ␉␉␉return;␊ |
919 | ␉␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
920 | ␉␉rowBytes = VIDEO (rowBytes);␊ |
921 | ␉␉// Set the screen to 75% grey.␊ |
922 | drawColorRectangle(0, 0, VIDEO(width), VIDEO(height), 0x01 /* color index */);␊ |
923 | ␉}␊ |
924 | ␉␊ |
925 | ␉␊ |
926 | ␉pixelShift = VIDEO (depth) >> 4;␊ |
927 | ␉if (pixelShift < 1) return;␊ |
928 | ␉␊ |
929 | ␉screen += ((VIDEO (width) ␊ |
930 | ␉␉␉␉- kIOHibernateProgressCount * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << (pixelShift - 1))␊ |
931 | ␉+ (VIDEO (height) - kIOHibernateProgressOriginY - kIOHibernateProgressHeight) * rowBytes;␊ |
932 | ␉␊ |
933 | ␉for (y = 0; y < kIOHibernateProgressHeight; y++)␊ |
934 | ␉{␊ |
935 | ␉␉out = screen + y * rowBytes;␊ |
936 | ␉␉for (blob = 0; blob < kIOHibernateProgressCount; blob++)␊ |
937 | ␉␉{␊ |
938 | ␉␉␉color = blob ? kIOHibernateProgressDarkGray : kIOHibernateProgressMidGray;␊ |
939 | ␉␉␉for (x = 0; x < kIOHibernateProgressWidth; x++)␊ |
940 | ␉␉␉{␊ |
941 | ␉␉␉␉alpha = gIOHibernateProgressAlpha[y][x];␊ |
942 | ␉␉␉␉result = color;␊ |
943 | ␉␉␉␉if (alpha)␊ |
944 | ␉␉␉␉{␊ |
945 | ␉␉␉␉␉if (0xff != alpha)␊ |
946 | ␉␉␉␉␉{␊ |
947 | ␉␉␉␉␉␉if (1 == pixelShift)␊ |
948 | ␉␉␉␉␉␉{␊ |
949 | ␉␉␉␉␉␉␉in = *((uint16_t *)out) & 0x1f;␉// 16␊ |
950 | ␉␉␉␉␉␉␉in = (in << 3) | (in >> 2);␊ |
951 | ␉␉␉␉␉␉}␊ |
952 | ␉␉␉␉␉␉else␊ |
953 | ␉␉␉␉␉␉␉in = *((uint32_t *)out) & 0xff;␉// 32␊ |
954 | ␉␉␉␉␉␉saveunder[blob * kIOHibernateProgressSaveUnderSize + saveindex[blob]++] = in;␊ |
955 | ␉␉␉␉␉␉result = ((255 - alpha) * in + alpha * result + 0xff) >> 8;␊ |
956 | ␉␉␉␉␉}␊ |
957 | ␉␉␉␉␉if (1 == pixelShift)␊ |
958 | ␉␉␉␉␉{␊ |
959 | ␉␉␉␉␉␉result >>= 3;␊ |
960 | ␉␉␉␉␉␉*((uint16_t *)out) = (result << 10) | (result << 5) | result;␉// 16␊ |
961 | ␉␉␉␉␉}␊ |
962 | ␉␉␉␉␉else␊ |
963 | ␉␉␉␉␉␉*((uint32_t *)out) = (result << 16) | (result << 8) | result;␉// 32␊ |
964 | ␉␉␉␉}␊ |
965 | ␉␉␉␉out += (1 << pixelShift);␊ |
966 | ␉␉␉}␊ |
967 | ␉␉␉out += (kIOHibernateProgressSpacing << pixelShift);␊ |
968 | ␉␉}␊ |
969 | ␉}␊ |
970 | }␊ |
971 | ␊ |
972 | void updateProgressBar(uint8_t * saveunder, int32_t firstBlob, int32_t select)␊ |
973 | {␊ |
974 | ␉uint8_t * screen;␊ |
975 | ␉uint32_t rowBytes, pixelShift;␊ |
976 | ␉uint32_t x, y;␊ |
977 | ␉int32_t blob, lastBlob;␊ |
978 | ␉uint32_t alpha, in, color, result;␊ |
979 | ␉uint8_t * out;␊ |
980 | ␉uint32_t saveindex[kIOHibernateProgressCount] = { 0 };␊ |
981 | ␉␊ |
982 | ␉pixelShift = VIDEO(depth) >> 4;␊ |
983 | ␉if (pixelShift < 1) return;␊ |
984 | ␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
985 | ␉rowBytes = VIDEO (rowBytes);␊ |
986 | ␉␊ |
987 | ␉screen += ((VIDEO (width) ␊ |
988 | ␉␉␉␉- kIOHibernateProgressCount * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << (pixelShift - 1))␊ |
989 | ␉+ (VIDEO (height) - kIOHibernateProgressOriginY - kIOHibernateProgressHeight) * rowBytes;␊ |
990 | ␉␊ |
991 | ␉lastBlob = (select < kIOHibernateProgressCount) ? select : (kIOHibernateProgressCount - 1);␊ |
992 | ␉␊ |
993 | ␉screen += (firstBlob * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << pixelShift;␊ |
994 | ␉␊ |
995 | ␉for (y = 0; y < kIOHibernateProgressHeight; y++)␊ |
996 | ␉{␊ |
997 | ␉␉out = screen + y * rowBytes;␊ |
998 | ␉␉for (blob = firstBlob; blob <= lastBlob; blob++)␊ |
999 | ␉␉{␊ |
1000 | ␉␉␉color = (blob < select) ? kIOHibernateProgressLightGray : kIOHibernateProgressMidGray;␊ |
1001 | ␉␉␉for (x = 0; x < kIOHibernateProgressWidth; x++)␊ |
1002 | ␉␉␉{␊ |
1003 | ␉␉␉␉alpha = gIOHibernateProgressAlpha[y][x];␊ |
1004 | ␉␉␉␉result = color;␊ |
1005 | ␉␉␉␉if (alpha)␊ |
1006 | ␉␉␉␉{␊ |
1007 | ␉␉␉␉␉if (0xff != alpha)␊ |
1008 | ␉␉␉␉␉{␊ |
1009 | ␉␉␉␉␉␉in = saveunder[blob * kIOHibernateProgressSaveUnderSize + saveindex[blob]++];␊ |
1010 | ␉␉␉␉␉␉result = ((255 - alpha) * in + alpha * result + 0xff) / 255;␊ |
1011 | ␉␉␉␉␉}␊ |
1012 | ␉␉␉␉␉if (1 == pixelShift)␊ |
1013 | ␉␉␉␉␉{␊ |
1014 | ␉␉␉␉␉␉result >>= 3;␊ |
1015 | ␉␉␉␉␉␉*((uint16_t *)out) = (result << 10) | (result << 5) | result;␉// 16␊ |
1016 | ␉␉␉␉␉}␊ |
1017 | ␉␉␉␉␉else␊ |
1018 | ␉␉␉␉␉␉*((uint32_t *)out) = (result << 16) | (result << 8) | result;␉// 32␊ |
1019 | ␉␉␉␉}␊ |
1020 | ␉␉␉␉out += (1 << pixelShift);␊ |
1021 | ␉␉␉}␊ |
1022 | ␉␉␉out += (kIOHibernateProgressSpacing << pixelShift);␊ |
1023 | ␉␉}␊ |
1024 | ␉}␊ |
1025 | }␊ |
1026 | ␊ |
1027 | ␊ |
1028 | //==========================================================================␊ |
1029 | // setVESATextMode␊ |
1030 | ␊ |
1031 | static int␊ |
1032 | setVESATextMode( unsigned short cols,␊ |
1033 | unsigned short rows,␊ |
1034 | unsigned char bitsPerPixel )␊ |
1035 | {␊ |
1036 | VBEModeInfoBlock minfo;␊ |
1037 | unsigned short mode = modeEndOfList;␊ |
1038 | ␊ |
1039 | if ( (cols != 80) || (rows != 25) ) // not 80x25 mode␊ |
1040 | {␊ |
1041 | mode = getVESAModeWithProperties( cols, rows, bitsPerPixel,␊ |
1042 | maColorModeBit |␊ |
1043 | maModeIsSupportedBit,␊ |
1044 | maGraphicsModeBit,␊ |
1045 | &minfo, NULL );␊ |
1046 | }␊ |
1047 | ␊ |
1048 | if ( ( mode == modeEndOfList ) || ( setVBEMode(mode, NULL) != errSuccess ) )␊ |
1049 | {␊ |
1050 | video_mode( 2 ); // VGA BIOS, 80x25 text mode.␊ |
1051 | minfo.XResolution = 80;␊ |
1052 | minfo.YResolution = 25;␊ |
1053 | }␊ |
1054 | ␊ |
1055 | // Update KernBootStruct using info provided by the selected␊ |
1056 | // VESA mode.␊ |
1057 | ␊ |
1058 | bootArgs->Video.v_display = VGA_TEXT_MODE;␊ |
1059 | bootArgs->Video.v_baseAddr = 0xb8000;␊ |
1060 | bootArgs->Video.v_width = minfo.XResolution;␊ |
1061 | bootArgs->Video.v_height = minfo.YResolution;␊ |
1062 | bootArgs->Video.v_depth = 8;␊ |
1063 | bootArgs->Video.v_rowBytes = 0x8000;␊ |
1064 | ␊ |
1065 | return errSuccess; // always return success␊ |
1066 | }␊ |
1067 | ␊ |
1068 | //==========================================================================␊ |
1069 | // getNumberArrayFromProperty␊ |
1070 | ␊ |
1071 | static int␊ |
1072 | getNumberArrayFromProperty( const char * propKey,␊ |
1073 | unsigned long numbers[],␊ |
1074 | unsigned long maxArrayCount )␊ |
1075 | {␊ |
1076 | char * propStr;␊ |
1077 | unsigned long count = 0;␊ |
1078 | ␊ |
1079 | #define _isdigit(c) ((c) >= '0' && (c) <= '9')␊ |
1080 | ␊ |
1081 | propStr = newStringForKey( (char *) propKey , &bootInfo->bootConfig );␊ |
1082 | if ( propStr )␊ |
1083 | {␊ |
1084 | char * delimiter = propStr;␊ |
1085 | char * p = propStr;␊ |
1086 | ␊ |
1087 | while ( count < maxArrayCount && *p != '\0' )␊ |
1088 | {␊ |
1089 | unsigned long val = strtoul( p, &delimiter, 10 );␊ |
1090 | if ( p != delimiter )␊ |
1091 | {␊ |
1092 | numbers[count++] = val;␊ |
1093 | p = delimiter;␊ |
1094 | }␊ |
1095 | while ( ( *p != '\0' ) && !_isdigit(*p) )␊ |
1096 | p++;␊ |
1097 | }␊ |
1098 | ␊ |
1099 | free( propStr );␊ |
1100 | }␊ |
1101 | ␊ |
1102 | return count;␊ |
1103 | }␊ |
1104 | ␊ |
1105 | int initGraphicsMode ()␊ |
1106 | {␊ |
1107 | unsigned long params[4];␊ |
1108 | int count;␊ |
1109 | ␊ |
1110 | params[3] = 0;␊ |
1111 | count = getNumberArrayFromProperty( kGraphicsModeKey, params, 4 );␊ |
1112 | ␊ |
1113 | // Try to find a resolution if "Graphics Mode" setting is not available.␊ |
1114 | if ( count < 3 )␊ |
1115 | {␊ |
1116 | // Use the default resolution if we don't have an initialized GUI.␊ |
1117 | if (gui.screen.width == 0 || gui.screen.height == 0)␊ |
1118 | {␊ |
1119 | gui.screen.width = DEFAULT_SCREEN_WIDTH;␉␊ |
1120 | gui.screen.height = DEFAULT_SCREEN_HEIGHT;␊ |
1121 | }␊ |
1122 | ␊ |
1123 | params[0] = gui.screen.width;␊ |
1124 | params[1] = gui.screen.height;␊ |
1125 | params[2] = 32;␊ |
1126 | }␊ |
1127 | ␊ |
1128 | // Map from pixel format to bits per pixel.␊ |
1129 | ␊ |
1130 | if ( params[2] == 256 ) params[2] = 8;␊ |
1131 | if ( params[2] == 555 ) params[2] = 16;␊ |
1132 | if ( params[2] == 888 ) params[2] = 32;␊ |
1133 | ␊ |
1134 | ␉return setVESAGraphicsMode( params[0], params[1], params[2], params[3] );␉␊ |
1135 | }␊ |
1136 | ␊ |
1137 | //==========================================================================␊ |
1138 | // setVideoMode␊ |
1139 | //␊ |
1140 | // Set the video mode to VGA_TEXT_MODE or GRAPHICS_MODE.␊ |
1141 | ␊ |
1142 | void␊ |
1143 | setVideoMode( int mode, int drawgraphics)␊ |
1144 | {␊ |
1145 | unsigned long params[4];␊ |
1146 | int count;␊ |
1147 | int err = errSuccess;␊ |
1148 | ␊ |
1149 | if ( mode == GRAPHICS_MODE )␊ |
1150 | {␊ |
1151 | ␉␉if ( (err=initGraphicsMode ()) == errSuccess ) {␊ |
1152 | if (gVerboseMode) {␊ |
1153 | // Tell the kernel to use text mode on a linear frame buffer display␊ |
1154 | bootArgs->Video.v_display = FB_TEXT_MODE;␊ |
1155 | } else {␊ |
1156 | bootArgs->Video.v_display = GRAPHICS_MODE;␊ |
1157 | }␊ |
1158 | }␊ |
1159 | }␊ |
1160 | ␊ |
1161 | if ( (mode == VGA_TEXT_MODE) || (err != errSuccess) )␊ |
1162 | {␊ |
1163 | count = getNumberArrayFromProperty( kTextModeKey, params, 2 );␊ |
1164 | if ( count < 2 )␊ |
1165 | {␊ |
1166 | params[0] = 80; // Default text mode is 80x25.␊ |
1167 | params[1] = 25;␊ |
1168 | }␊ |
1169 | ␊ |
1170 | setVESATextMode( params[0], params[1], 4 );␊ |
1171 | bootArgs->Video.v_display = VGA_TEXT_MODE;␊ |
1172 | }␊ |
1173 | ␊ |
1174 | currentIndicator = 0;␊ |
1175 | }␊ |
1176 | ␊ |
1177 | void getGraphicModeParams(unsigned long params[]) {␊ |
1178 | ␊ |
1179 | ␉params[3] = 0;␊ |
1180 | ␊ |
1181 | ␉VBEModeInfoBlock minfo;␊ |
1182 | ␊ |
1183 | unsigned short vesaVersion;␊ |
1184 | unsigned short mode = modeEndOfList;␊ |
1185 | ␉␊ |
1186 | ␉getNumberArrayFromProperty( kGraphicsModeKey, params, 4);␊ |
1187 | ␊ |
1188 | ␉mode = getVESAModeWithProperties( params[0], params[1], params[2],␊ |
1189 | ␉␉␉␉␉␉␉␉␉ maColorModeBit |␊ |
1190 | ␉␉␉␉␉␉␉␉␉ maModeIsSupportedBit |␊ |
1191 | ␉␉␉␉␉␉␉␉␉ maGraphicsModeBit |␊ |
1192 | ␉␉␉␉␉␉␉␉␉ maLinearFrameBufferAvailBit,␊ |
1193 | ␉␉␉␉␉␉␉␉␉ 0,␊ |
1194 | ␉␉␉␉␉␉␉␉␉ &minfo, &vesaVersion );␊ |
1195 | ␉␊ |
1196 | ␉params[0] = minfo.XResolution;␊ |
1197 | ␉params[1] = minfo.YResolution;␊ |
1198 | ␉params[2] = 32;␊ |
1199 | }␊ |
1200 | ␉␊ |
1201 | //==========================================================================␊ |
1202 | // Return the current video mode, VGA_TEXT_MODE or GRAPHICS_MODE.␊ |
1203 | ␊ |
1204 | int getVideoMode(void)␊ |
1205 | {␊ |
1206 | return bootArgs->Video.v_display;␊ |
1207 | }␊ |
1208 | ␊ |
1209 | //==========================================================================␊ |
1210 | // Display and clear the activity indicator.␊ |
1211 | ␊ |
1212 | static char indicator[] = {'-', '\\', '|', '/', '-', '\\', '|', '/', '\0'};␊ |
1213 | #define kNumIndicators (sizeof(indicator) - 1)␊ |
1214 | ␊ |
1215 | // To prevent a ridiculously fast-spinning indicator,␊ |
1216 | // ensure a minimum of 1/9 sec between animation frames.␊ |
1217 | #define MIN_TICKS 2␊ |
1218 | ␊ |
1219 | void␊ |
1220 | spinActivityIndicator(int sectors)␊ |
1221 | {␊ |
1222 | static unsigned long lastTickTime = 0;␊ |
1223 | unsigned long currentTickTime = time18();␊ |
1224 | static char string[3] = {'\0', '\b', '\0'};␊ |
1225 | ␊ |
1226 | ␉if (previewTotalSectors && previewSaveunder)␊ |
1227 | ␉{␊ |
1228 | ␉␉int blob, lastBlob;␊ |
1229 | ␊ |
1230 | ␉␉lastBlob = (previewLoadedSectors * kIOHibernateProgressCount) / previewTotalSectors;␊ |
1231 | ␉␉previewLoadedSectors+=sectors;␊ |
1232 | ␉␉blob = (previewLoadedSectors * kIOHibernateProgressCount) / previewTotalSectors;␊ |
1233 | ␉␉␊ |
1234 | ␉␉if (blob!=lastBlob)␊ |
1235 | ␉␉␉updateProgressBar (previewSaveunder, lastBlob, blob);␊ |
1236 | ␉␉return;␊ |
1237 | ␉}␊ |
1238 | ␊ |
1239 | ␉if (currentTickTime < lastTickTime + MIN_TICKS)␊ |
1240 | return;␊ |
1241 | else␊ |
1242 | lastTickTime = currentTickTime;␊ |
1243 | ␊ |
1244 | if ( getVideoMode() == VGA_TEXT_MODE )␊ |
1245 | {␊ |
1246 | if (currentIndicator >= kNumIndicators) currentIndicator = 0;␊ |
1247 | string[0] = indicator[currentIndicator++];␊ |
1248 | printf(string);␊ |
1249 | }␊ |
1250 | }␊ |
1251 | ␊ |
1252 | void␊ |
1253 | clearActivityIndicator( void )␊ |
1254 | {␊ |
1255 | if ( getVideoMode() == VGA_TEXT_MODE )␊ |
1256 | {␊ |
1257 | printf(" \b");␊ |
1258 | }␊ |
1259 | }␊ |
1260 | ␊ |
1261 | |