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