| 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 | #define VIDEOSNOW(x) (bootArgsSnow->Video.v_ ## x)␊ |
| 46 | ␊ |
| 47 | #define MIN(x, y) ((x) < (y) ? (x) : (y))␊ |
| 48 | ␊ |
| 49 | //==========================================================================␊ |
| 50 | // getVBEInfoString␊ |
| 51 | ␊ |
| 52 | char *getVBEInfoString()␊ |
| 53 | {␊ |
| 54 | ␉VBEInfoBlock vbeInfo;␊ |
| 55 | ␉int err, small;␊ |
| 56 | ␉char *buff = malloc(sizeof(char)*256);␊ |
| 57 | ␉if(!buff) return 0;␊ |
| 58 | ␉␊ |
| 59 | ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
| 60 | ␉strcpy( (char*)&vbeInfo, "VBE2" );␊ |
| 61 | ␉err = getVBEInfo( &vbeInfo );␊ |
| 62 | ␉if (err != errSuccess)␊ |
| 63 | ␉␉return 0;␊ |
| 64 | ␉␊ |
| 65 | ␉if ( strncmp( (char *)vbeInfo.VESASignature, "VESA", 4 ) )␊ |
| 66 | ␉␉return 0;␊ |
| 67 | ␉␊ |
| 68 | ␉small = (vbeInfo.TotalMemory < 16);␊ |
| 69 | ␉␊ |
| 70 | ␉sprintf(buff, "VESA v%d.%d %d%s (%s)\n",␊ |
| 71 | ␉␉␉vbeInfo.VESAVersion >> 8,␊ |
| 72 | ␉␉␉vbeInfo.VESAVersion & 0xf,␊ |
| 73 | ␉␉␉small ? (vbeInfo.TotalMemory * 64) : (vbeInfo.TotalMemory / 16),␊ |
| 74 | ␉␉␉small ? "KB" : "MB",␊ |
| 75 | ␉␉␉VBEDecodeFP(const char *, vbeInfo.OEMStringPtr) );␊ |
| 76 | ␉␊ |
| 77 | ␉return buff;␊ |
| 78 | }␊ |
| 79 | ␊ |
| 80 | //==========================================================================␊ |
| 81 | //␊ |
| 82 | ␊ |
| 83 | void ␊ |
| 84 | printVBEModeInfo()␊ |
| 85 | {␊ |
| 86 | VBEInfoBlock vbeInfo;␊ |
| 87 | unsigned short * modePtr;␊ |
| 88 | VBEModeInfoBlock modeInfo;␊ |
| 89 | int err;␊ |
| 90 | int line;␊ |
| 91 | ␉␊ |
| 92 | ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
| 93 | strcpy( (char*)&vbeInfo, "VBE2" );␊ |
| 94 | err = getVBEInfo( &vbeInfo );␊ |
| 95 | if ( err != errSuccess )␊ |
| 96 | return;␊ |
| 97 | ␉␊ |
| 98 | line = 0;␊ |
| 99 | ␉␊ |
| 100 | // Activate and clear page 1␊ |
| 101 | setActiveDisplayPage(1);␊ |
| 102 | clearScreenRows(0, 24);␊ |
| 103 | setCursorPosition( 0, 0, 1 );␊ |
| 104 | ␉␊ |
| 105 | printf( getVBEInfoString() );␊ |
| 106 | ␉printf("Video modes supported:\n", VBEDecodeFP(const char *, vbeInfo.OEMStringPtr));␊ |
| 107 | ␉␊ |
| 108 | ␉// Loop through the mode list, and find the matching mode.␊ |
| 109 | ␉␊ |
| 110 | for ( modePtr = VBEDecodeFP( unsigned short *, vbeInfo.VideoModePtr );␊ |
| 111 | ␉␉ *modePtr != modeEndOfList; modePtr++ )␊ |
| 112 | {␊ |
| 113 | // Get mode information.␊ |
| 114 | ␉␉␊ |
| 115 | bzero( &modeInfo, sizeof(modeInfo) );␊ |
| 116 | err = getVBEModeInfo( *modePtr, &modeInfo );␊ |
| 117 | if ( err != errSuccess )␊ |
| 118 | {␊ |
| 119 | continue;␊ |
| 120 | }␊ |
| 121 | ␉␉␊ |
| 122 | printf("Mode %x: %dx%dx%d mm:%d attr:%x\n",␊ |
| 123 | *modePtr, modeInfo.XResolution, modeInfo.YResolution,␊ |
| 124 | modeInfo.BitsPerPixel, modeInfo.MemoryModel,␊ |
| 125 | modeInfo.ModeAttributes);␊ |
| 126 | ␉␉␊ |
| 127 | if (line++ >= 20) {␊ |
| 128 | pause();␊ |
| 129 | line = 0;␊ |
| 130 | clearScreenRows(0, 24);␊ |
| 131 | setCursorPosition( 0, 0, 1 );␊ |
| 132 | }␊ |
| 133 | } ␊ |
| 134 | if (line != 0) {␊ |
| 135 | pause();␊ |
| 136 | }␊ |
| 137 | setActiveDisplayPage(0);␊ |
| 138 | }␊ |
| 139 | ␊ |
| 140 | char *getVBEModeInfoString()␊ |
| 141 | {␊ |
| 142 | ␉VBEInfoBlock vbeInfo;␊ |
| 143 | unsigned short * modePtr;␊ |
| 144 | VBEModeInfoBlock modeInfo;␊ |
| 145 | int err;␊ |
| 146 | ␉␊ |
| 147 | ␉bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
| 148 | strcpy( (char*)&vbeInfo, "VBE2" );␊ |
| 149 | err = getVBEInfo( &vbeInfo );␊ |
| 150 | if ( err != errSuccess )␊ |
| 151 | return 0;␊ |
| 152 | ␉␊ |
| 153 | ␉char *buff=malloc(sizeof(char)*3072);␊ |
| 154 | ␉if(!buff) return 0;␊ |
| 155 | ␉␊ |
| 156 | ␉// Loop through the mode list, and find the matching mode.␊ |
| 157 | for ( modePtr = VBEDecodeFP( unsigned short *, vbeInfo.VideoModePtr );␊ |
| 158 | ␉␉ *modePtr != modeEndOfList; modePtr++ )␊ |
| 159 | {␊ |
| 160 | // Get mode information.␊ |
| 161 | ␉␉␊ |
| 162 | bzero( &modeInfo, sizeof(modeInfo) );␊ |
| 163 | err = getVBEModeInfo( *modePtr, &modeInfo );␊ |
| 164 | if ( err != errSuccess )␊ |
| 165 | {␊ |
| 166 | continue;␊ |
| 167 | }␊ |
| 168 | ␉␉␊ |
| 169 | sprintf(buff+strlen(buff), "Mode %x: %dx%dx%d mm:%d attr:%x\n",␊ |
| 170 | ␉␉␉␉*modePtr, modeInfo.XResolution, modeInfo.YResolution,␊ |
| 171 | ␉␉␉␉modeInfo.BitsPerPixel, modeInfo.MemoryModel,␊ |
| 172 | ␉␉␉␉modeInfo.ModeAttributes);␊ |
| 173 | ␉␉␊ |
| 174 | } ␊ |
| 175 | ␉return buff;␊ |
| 176 | }␊ |
| 177 | ␊ |
| 178 | //==========================================================================␊ |
| 179 | // getVESAModeWithProperties␊ |
| 180 | //␊ |
| 181 | // Return the VESA mode that matches the properties specified.␊ |
| 182 | // If a mode is not found, then return the "best" available mode.␊ |
| 183 | ␊ |
| 184 | static unsigned short␊ |
| 185 | getVESAModeWithProperties( unsigned short width,␊ |
| 186 | ␉␉␉␉␉␉ unsigned short height,␊ |
| 187 | ␉␉␉␉␉␉ unsigned char bitsPerPixel,␊ |
| 188 | ␉␉␉␉␉␉ unsigned short attributesSet,␊ |
| 189 | ␉␉␉␉␉␉ unsigned short attributesClear,␊ |
| 190 | ␉␉␉␉␉␉ VBEModeInfoBlock * outModeInfo,␊ |
| 191 | ␉␉␉␉␉␉ unsigned short * vesaVersion )␊ |
| 192 | {␊ |
| 193 | VBEInfoBlock vbeInfo;␊ |
| 194 | unsigned short * modePtr;␊ |
| 195 | VBEModeInfoBlock modeInfo;␊ |
| 196 | unsigned char modeBitsPerPixel;␊ |
| 197 | unsigned short matchedMode = modeEndOfList;␊ |
| 198 | int err;␊ |
| 199 | ␉␊ |
| 200 | // Clear output mode info.␊ |
| 201 | ␉␊ |
| 202 | bzero( outModeInfo, sizeof(*outModeInfo) );␊ |
| 203 | ␉␊ |
| 204 | // Get VBE controller info containing the list of supported modes.␊ |
| 205 | ␉␊ |
| 206 | bzero( &vbeInfo, sizeof(vbeInfo) );␊ |
| 207 | strcpy( (char*)&vbeInfo, "VBE2" );␊ |
| 208 | err = getVBEInfo( &vbeInfo );␊ |
| 209 | if ( err != errSuccess )␊ |
| 210 | {␊ |
| 211 | return modeEndOfList;␊ |
| 212 | }␊ |
| 213 | ␉␊ |
| 214 | // Report the VESA major/minor version number.␊ |
| 215 | ␉␊ |
| 216 | if (vesaVersion) *vesaVersion = vbeInfo.VESAVersion;␊ |
| 217 | ␉␊ |
| 218 | // Loop through the mode list, and find the matching mode.␊ |
| 219 | ␉␊ |
| 220 | for ( modePtr = VBEDecodeFP( unsigned short *, vbeInfo.VideoModePtr );␊ |
| 221 | ␉␉ *modePtr != modeEndOfList; modePtr++ )␊ |
| 222 | {␊ |
| 223 | // Get mode information.␊ |
| 224 | ␉␉␊ |
| 225 | bzero( &modeInfo, sizeof(modeInfo) );␊ |
| 226 | err = getVBEModeInfo( *modePtr, &modeInfo );␊ |
| 227 | if ( err != errSuccess )␊ |
| 228 | {␊ |
| 229 | continue;␊ |
| 230 | }␊ |
| 231 | ␉␉␊ |
| 232 | #if DEBUG␊ |
| 233 | printf("Mode %x: %dx%dx%d mm:%d attr:%x\n",␊ |
| 234 | *modePtr, modeInfo.XResolution, modeInfo.YResolution,␊ |
| 235 | modeInfo.BitsPerPixel, modeInfo.MemoryModel,␊ |
| 236 | modeInfo.ModeAttributes);␊ |
| 237 | #endif␊ |
| 238 | ␉␉␊ |
| 239 | // Filter out unwanted modes based on mode attributes.␊ |
| 240 | ␉␉␊ |
| 241 | if ( ( ( modeInfo.ModeAttributes & attributesSet ) != attributesSet )␊ |
| 242 | ␉␉␉|| ( ( modeInfo.ModeAttributes & attributesClear ) != 0 ) )␊ |
| 243 | {␊ |
| 244 | continue;␊ |
| 245 | }␊ |
| 246 | ␉␉␊ |
| 247 | // Pixel depth in bits.␊ |
| 248 | ␉␉␊ |
| 249 | modeBitsPerPixel = modeInfo.BitsPerPixel;␊ |
| 250 | ␉␉␊ |
| 251 | if ( ( modeBitsPerPixel == 4 ) && ( modeInfo.MemoryModel == 0 ) )␊ |
| 252 | {␊ |
| 253 | // Text mode, 16 colors.␊ |
| 254 | }␊ |
| 255 | else if ( ( modeBitsPerPixel == 8 ) && ( modeInfo.MemoryModel == 4 ) )␊ |
| 256 | {␊ |
| 257 | // Packed pixel, 256 colors.␊ |
| 258 | }␊ |
| 259 | else if ( ( ( modeBitsPerPixel == 16 ) || ( modeBitsPerPixel == 15 ) )␊ |
| 260 | ␉␉␉␉ && ( modeInfo.MemoryModel == 6 )␊ |
| 261 | ␉␉␉␉ && ( modeInfo.RedMaskSize == 5 )␊ |
| 262 | ␉␉␉␉ && ( modeInfo.GreenMaskSize == 5 )␊ |
| 263 | ␉␉␉␉ && ( modeInfo.BlueMaskSize == 5 ) )␊ |
| 264 | {␊ |
| 265 | // Direct color, 16 bpp (1:5:5:5).␊ |
| 266 | modeInfo.BitsPerPixel = modeBitsPerPixel = 16;␊ |
| 267 | }␊ |
| 268 | else if ( ( modeBitsPerPixel == 32 )␊ |
| 269 | ␉␉␉␉ && ( modeInfo.MemoryModel == 6 )␊ |
| 270 | ␉␉␉␉ && ( modeInfo.RedMaskSize == 8 )␊ |
| 271 | ␉␉␉␉ && ( modeInfo.GreenMaskSize == 8 )␊ |
| 272 | ␉␉␉␉ && ( modeInfo.BlueMaskSize == 8 ) )␊ |
| 273 | {␊ |
| 274 | // Direct color, 32 bpp (8:8:8:8).␊ |
| 275 | }␊ |
| 276 | else␊ |
| 277 | {␊ |
| 278 | continue; // Not a supported mode.␊ |
| 279 | }␊ |
| 280 | ␉␉␊ |
| 281 | // Modes larger than the specified dimensions are skipped.␊ |
| 282 | ␉␉␊ |
| 283 | if ( ( modeInfo.XResolution > width ) ||␊ |
| 284 | ␉␉␉( modeInfo.YResolution > height ) )␊ |
| 285 | {␊ |
| 286 | continue;␊ |
| 287 | }␊ |
| 288 | ␉␉␊ |
| 289 | // Perfect match, we're done looking.␊ |
| 290 | ␉␉␊ |
| 291 | if ( ( modeInfo.XResolution == width ) &&␊ |
| 292 | ␉␉␉( modeInfo.YResolution == height ) &&␊ |
| 293 | ␉␉␉( modeBitsPerPixel == bitsPerPixel ) )␊ |
| 294 | {␊ |
| 295 | matchedMode = *modePtr;␊ |
| 296 | bcopy( &modeInfo, outModeInfo, sizeof(modeInfo) );␊ |
| 297 | break;␊ |
| 298 | }␊ |
| 299 | ␉␉␊ |
| 300 | // Save the next "best" mode in case a perfect match is not found.␊ |
| 301 | ␉␉␊ |
| 302 | if ( modeInfo.XResolution == outModeInfo->XResolution &&␊ |
| 303 | ␉␉␉modeInfo.YResolution == outModeInfo->YResolution &&␊ |
| 304 | ␉␉␉modeBitsPerPixel <= outModeInfo->BitsPerPixel )␊ |
| 305 | {␊ |
| 306 | continue; // Saved mode has more depth.␊ |
| 307 | }␊ |
| 308 | if ( modeInfo.XResolution < outModeInfo->XResolution ||␊ |
| 309 | ␉␉␉modeInfo.YResolution < outModeInfo->YResolution ||␊ |
| 310 | ␉␉␉modeBitsPerPixel < outModeInfo->BitsPerPixel )␊ |
| 311 | {␊ |
| 312 | continue; // Saved mode has more resolution.␊ |
| 313 | }␊ |
| 314 | ␉␉␊ |
| 315 | matchedMode = *modePtr;␊ |
| 316 | bcopy( &modeInfo, outModeInfo, sizeof(modeInfo) );␊ |
| 317 | }␊ |
| 318 | ␉␊ |
| 319 | return matchedMode;␊ |
| 320 | }␊ |
| 321 | ␊ |
| 322 | //==========================================================================␊ |
| 323 | // setupPalette␊ |
| 324 | ␊ |
| 325 | static void setupPalette( VBEPalette * p, const unsigned char * g )␊ |
| 326 | {␊ |
| 327 | int i;␊ |
| 328 | unsigned char * source = (unsigned char *) g;␊ |
| 329 | ␉␊ |
| 330 | for (i = 0; i < 256; i++)␊ |
| 331 | {␊ |
| 332 | (*p)[i] = 0;␊ |
| 333 | (*p)[i] |= ((unsigned long)((*source++) >> 2)) << 16; // Red␊ |
| 334 | (*p)[i] |= ((unsigned long)((*source++) >> 2)) << 8; // Green␊ |
| 335 | (*p)[i] |= ((unsigned long)((*source++) >> 2)); // Blue␊ |
| 336 | }␊ |
| 337 | }␊ |
| 338 | ␊ |
| 339 | //==========================================================================␊ |
| 340 | // Simple decompressor for boot images encoded in RLE format.␊ |
| 341 | ␊ |
| 342 | char * decodeRLE( const void * rleData, int rleBlocks, int outBytes )␊ |
| 343 | {␊ |
| 344 | char *out, *cp;␊ |
| 345 | ␉␊ |
| 346 | struct RLEBlock {␊ |
| 347 | unsigned char count;␊ |
| 348 | unsigned char value;␊ |
| 349 | } * bp = (struct RLEBlock *) rleData;␊ |
| 350 | ␉␊ |
| 351 | out = cp = malloc( outBytes );␊ |
| 352 | if ( out == NULL ) return NULL;␊ |
| 353 | ␉␊ |
| 354 | while ( rleBlocks-- )␊ |
| 355 | {␊ |
| 356 | memset( cp, bp->value, bp->count );␊ |
| 357 | cp += bp->count;␊ |
| 358 | bp++;␊ |
| 359 | }␊ |
| 360 | ␉␊ |
| 361 | return out;␊ |
| 362 | }␊ |
| 363 | ␊ |
| 364 | //==========================================================================␊ |
| 365 | // setVESAGraphicsMode␊ |
| 366 | ␊ |
| 367 | static int␊ |
| 368 | setVESAGraphicsMode( unsigned short width,␊ |
| 369 | ␉␉␉␉␉unsigned short height,␊ |
| 370 | ␉␉␉␉␉unsigned char bitsPerPixel,␊ |
| 371 | ␉␉␉␉␉unsigned short refreshRate )␊ |
| 372 | {␊ |
| 373 | VBEModeInfoBlock minfo;␊ |
| 374 | unsigned short mode;␊ |
| 375 | unsigned short vesaVersion;␊ |
| 376 | int err = errFuncNotSupported;␊ |
| 377 | ␉␊ |
| 378 | do {␊ |
| 379 | mode = getVESAModeWithProperties( width, height, bitsPerPixel,␊ |
| 380 | ␉␉␉␉␉␉␉␉␉␉ maColorModeBit |␊ |
| 381 | ␉␉␉␉␉␉␉␉␉␉ maModeIsSupportedBit |␊ |
| 382 | ␉␉␉␉␉␉␉␉␉␉ maGraphicsModeBit |␊ |
| 383 | ␉␉␉␉␉␉␉␉␉␉ maLinearFrameBufferAvailBit,␊ |
| 384 | ␉␉␉␉␉␉␉␉␉␉ 0,␊ |
| 385 | ␉␉␉␉␉␉␉␉␉␉ &minfo, &vesaVersion );␊ |
| 386 | if ( mode == modeEndOfList )␊ |
| 387 | {␊ |
| 388 | break;␊ |
| 389 | }␊ |
| 390 | ␉␉␊ |
| 391 | ␉␉//␊ |
| 392 | ␉␉// FIXME : generateCRTCTiming() causes crash.␊ |
| 393 | ␉␉//␊ |
| 394 | ␉␉␊ |
| 395 | ␉␉// if ( (vesaVersion >> 8) >= 3 && refreshRate >= 60 &&␊ |
| 396 | ␉␉// (gBootMode & kBootModeSafe) == 0 )␊ |
| 397 | ␉␉// {␊ |
| 398 | ␉␉// VBECRTCInfoBlock timing;␊ |
| 399 | ␉␉// ␊ |
| 400 | ␉␉// // Generate CRTC timing for given refresh rate.␊ |
| 401 | ␉␉// ␊ |
| 402 | ␉␉// generateCRTCTiming( minfo.XResolution, minfo.YResolution,␊ |
| 403 | ␉␉// refreshRate, kCRTCParamRefreshRate,␊ |
| 404 | ␉␉// &timing );␊ |
| 405 | ␉␉// ␊ |
| 406 | ␉␉// // Find the actual pixel clock supported by the hardware.␊ |
| 407 | ␉␉// ␊ |
| 408 | ␉␉// getVBEPixelClock( mode, &timing.PixelClock );␊ |
| 409 | ␉␉// ␊ |
| 410 | ␉␉// // Re-compute CRTC timing based on actual pixel clock.␊ |
| 411 | ␉␉// ␊ |
| 412 | ␉␉// generateCRTCTiming( minfo.XResolution, minfo.YResolution,␊ |
| 413 | ␉␉// timing.PixelClock, kCRTCParamPixelClock,␊ |
| 414 | ␉␉// &timing );␊ |
| 415 | ␉␉// ␊ |
| 416 | ␉␉// // Set the video mode and use specified CRTC timing.␊ |
| 417 | ␉␉// ␊ |
| 418 | ␉␉// err = setVBEMode( mode | kLinearFrameBufferBit |␊ |
| 419 | ␉␉// kCustomRefreshRateBit, &timing );␊ |
| 420 | ␉␉// }␊ |
| 421 | ␉␉// else␊ |
| 422 | ␉␉// {␊ |
| 423 | ␉␉// // Set the mode with default refresh rate.␊ |
| 424 | ␉␉// ␊ |
| 425 | ␉␉// err = setVBEMode( mode | kLinearFrameBufferBit, NULL );␊ |
| 426 | ␉␉// }␊ |
| 427 | ␉␉␊ |
| 428 | // Set the mode with default refresh rate.␊ |
| 429 | ␉␉␊ |
| 430 | err = setVBEMode( mode | kLinearFrameBufferBit, NULL );␊ |
| 431 | ␉␉␊ |
| 432 | if ( err != errSuccess )␊ |
| 433 | {␊ |
| 434 | break;␊ |
| 435 | }␊ |
| 436 | ␉␉␊ |
| 437 | // Set 8-bit color palette.␊ |
| 438 | ␉␉␊ |
| 439 | if ( minfo.BitsPerPixel == 8 )␊ |
| 440 | {␊ |
| 441 | VBEPalette palette;␊ |
| 442 | setupPalette( &palette, appleClut8 );␊ |
| 443 | if ((err = setVBEPalette(palette)) != errSuccess)␊ |
| 444 | {␊ |
| 445 | break;␊ |
| 446 | }␊ |
| 447 | }␊ |
| 448 | ␉␉␊ |
| 449 | // Is this required for buggy Video BIOS implementations?␊ |
| 450 | // On which adapter?␊ |
| 451 | ␉␉␊ |
| 452 | if ( minfo.BytesPerScanline == 0 )␊ |
| 453 | ␉␉␉minfo.BytesPerScanline = ( minfo.XResolution *␊ |
| 454 | ␉␉␉␉␉␉␉␉␉ minfo.BitsPerPixel ) >> 3;␊ |
| 455 | ␉␉␊ |
| 456 | // Update KernBootStruct using info provided by the selected␊ |
| 457 | // VESA mode.␊ |
| 458 | ␉␉␊ |
| 459 | bootArgs->Video.v_display = GRAPHICS_MODE;␊ |
| 460 | bootArgs->Video.v_width = minfo.XResolution;␊ |
| 461 | bootArgs->Video.v_height = minfo.YResolution;␊ |
| 462 | bootArgs->Video.v_depth = minfo.BitsPerPixel;␊ |
| 463 | bootArgs->Video.v_rowBytes = minfo.BytesPerScanline;␊ |
| 464 | bootArgs->Video.v_baseAddr = VBEMakeUInt32(minfo.PhysBasePtr);␊ |
| 465 | ␉␉␊ |
| 466 | bootArgsSnow->Video.v_display = GRAPHICS_MODE;␊ |
| 467 | bootArgsSnow->Video.v_width = minfo.XResolution;␊ |
| 468 | bootArgsSnow->Video.v_height = minfo.YResolution;␊ |
| 469 | bootArgsSnow->Video.v_depth = minfo.BitsPerPixel;␊ |
| 470 | bootArgsSnow->Video.v_rowBytes = minfo.BytesPerScanline;␊ |
| 471 | bootArgsSnow->Video.v_baseAddr = VBEMakeUInt32(minfo.PhysBasePtr);␊ |
| 472 | }␊ |
| 473 | while ( 0 );␊ |
| 474 | ␉␊ |
| 475 | return err;␊ |
| 476 | }␊ |
| 477 | ␊ |
| 478 | int␊ |
| 479 | convertImage( unsigned short width,␊ |
| 480 | ␉␉␉ unsigned short height,␊ |
| 481 | ␉␉␉ const unsigned char *imageData,␊ |
| 482 | ␉␉␉ unsigned char **newImageData )␊ |
| 483 | {␊ |
| 484 | int cnt;␊ |
| 485 | unsigned char *img = 0;␊ |
| 486 | unsigned short *img16;␊ |
| 487 | unsigned long *img32;␊ |
| 488 | ␉␊ |
| 489 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 490 | {␊ |
| 491 | ␉␉switch ( VIDEO(depth) ) {␊ |
| 492 | ␉␉␉case 16 :␊ |
| 493 | ␉␉␉␉img16 = malloc(width * height * 2);␊ |
| 494 | ␉␉␉␉if ( !img16 ) break;␊ |
| 495 | ␉␉␉␉for (cnt = 0; cnt < (width * height); cnt++)␊ |
| 496 | ␉␉␉␉␉img16[cnt] = lookUpCLUTIndex(imageData[cnt], 16);␊ |
| 497 | ␉␉␉␉img = (unsigned char *)img16;␊ |
| 498 | ␉␉␉␉break;␊ |
| 499 | ␉␉␉␉␊ |
| 500 | ␉␉␉case 32 :␊ |
| 501 | ␉␉␉␉img32 = malloc(width * height * 4);␊ |
| 502 | ␉␉␉␉if ( !img32 ) break;␊ |
| 503 | ␉␉␉␉for (cnt = 0; cnt < (width * height); cnt++)␊ |
| 504 | ␉␉␉␉␉img32[cnt] = lookUpCLUTIndex(imageData[cnt], 32);␊ |
| 505 | ␉␉␉␉img = (unsigned char *)img32;␊ |
| 506 | ␉␉␉␉break;␊ |
| 507 | ␉␉␉␉␊ |
| 508 | ␉␉␉default :␊ |
| 509 | ␉␉␉␉img = malloc(width * height);␊ |
| 510 | ␉␉␉␉bcopy(imageData, img, width * height);␊ |
| 511 | ␉␉␉␉break;␊ |
| 512 | ␉␉}␊ |
| 513 | ␉} else {␊ |
| 514 | ␉␉switch ( VIDEOSNOW(depth) )␊ |
| 515 | ␉␉{␊ |
| 516 | ␉␉␉case 16 :␊ |
| 517 | ␉␉␉␉img16 = malloc(width * height * 2);␊ |
| 518 | ␉␉␉␉if ( !img16 ) break;␊ |
| 519 | ␉␉␉␉for (cnt = 0; cnt < (width * height); cnt++)␊ |
| 520 | ␉␉␉␉␉img16[cnt] = lookUpCLUTIndex(imageData[cnt], 16);␊ |
| 521 | ␉␉␉␉img = (unsigned char *)img16;␊ |
| 522 | ␉␉␉␉break;␊ |
| 523 | ␉␉␉␉␊ |
| 524 | ␉␉␉case 32 :␊ |
| 525 | ␉␉␉␉img32 = malloc(width * height * 4);␊ |
| 526 | ␉␉␉␉if ( !img32 ) break;␊ |
| 527 | ␉␉␉␉for (cnt = 0; cnt < (width * height); cnt++)␊ |
| 528 | ␉␉␉␉␉img32[cnt] = lookUpCLUTIndex(imageData[cnt], 32);␊ |
| 529 | ␉␉␉␉img = (unsigned char *)img32;␊ |
| 530 | ␉␉␉␉break;␊ |
| 531 | ␉␉␉␉␊ |
| 532 | ␉␉␉default :␊ |
| 533 | ␉␉␉␉img = malloc(width * height);␊ |
| 534 | ␉␉␉␉bcopy(imageData, img, width * height);␊ |
| 535 | ␉␉␉␉break;␊ |
| 536 | ␉␉}␊ |
| 537 | ␉}␊ |
| 538 | *newImageData = img;␊ |
| 539 | return 0;␊ |
| 540 | }␊ |
| 541 | ␊ |
| 542 | int loadPngImage(const char *filename, uint16_t *width, uint16_t *height,␊ |
| 543 | ␉␉␉␉ uint8_t **imageData)␊ |
| 544 | {␊ |
| 545 | uint8_t *pngData = NULL;␊ |
| 546 | int pngFile = 0, pngSize;␊ |
| 547 | PNG_info_t *info;␊ |
| 548 | int error = 0;␊ |
| 549 | ␉␊ |
| 550 | pngFile = open_bvdev("bt(0,0)", filename, 0);␊ |
| 551 | if (pngFile == -1) {␊ |
| 552 | error = -1;␊ |
| 553 | goto failed;␊ |
| 554 | }␊ |
| 555 | pngSize = file_size(pngFile);␊ |
| 556 | if (!pngSize) {␊ |
| 557 | error = -1;␊ |
| 558 | goto failed;␊ |
| 559 | }␊ |
| 560 | pngData = malloc(pngSize);␊ |
| 561 | if (read(pngFile, (char *) pngData, pngSize) != pngSize) {␊ |
| 562 | error = -1;␊ |
| 563 | goto failed;␊ |
| 564 | }␊ |
| 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 | if (pngData)␊ |
| 587 | free(pngData);␊ |
| 588 | if (pngFile != -1)␊ |
| 589 | close(pngFile);␊ |
| 590 | ␉␊ |
| 591 | return error;␊ |
| 592 | }␊ |
| 593 | ␊ |
| 594 | int loadEmbeddedPngImage(uint8_t *pngData, int pngSize, uint16_t *width, uint16_t *height, uint8_t **imageData) {␊ |
| 595 | PNG_info_t *info;␊ |
| 596 | int error = 0;␊ |
| 597 | ␉␊ |
| 598 | PNG_error = -1;␊ |
| 599 | info = PNG_decode(pngData, pngSize);␊ |
| 600 | ␉if (PNG_error != 0) {␊ |
| 601 | error = PNG_error;␊ |
| 602 | goto failed;␊ |
| 603 | } else if ((info->width > 0xffff) || (info->height > 0xffff)) {␊ |
| 604 | error = -1;␊ |
| 605 | goto failed;␊ |
| 606 | } else if ((info->width * info->height * 4) != info->image->size) {␊ |
| 607 | error = -1;␊ |
| 608 | goto failed;␊ |
| 609 | }␊ |
| 610 | ␉uint8_t *result = malloc(info->width*4*info->height);␊ |
| 611 | ␉*width = info->width;␊ |
| 612 | *height = info->height;␊ |
| 613 | ␉memcpy(result, info->image->data, info->width*4*info->height);␊ |
| 614 | ␉*imageData = result;␊ |
| 615 | ␉␊ |
| 616 | failed:␊ |
| 617 | ␉png_alloc_free_all();␊ |
| 618 | ␉␊ |
| 619 | return error;␊ |
| 620 | }␊ |
| 621 | ␊ |
| 622 | void blendImage(uint16_t x, uint16_t y, uint16_t width, uint16_t height,␊ |
| 623 | ␉␉␉␉uint8_t *data)␊ |
| 624 | {␊ |
| 625 | uint16_t drawWidth;␊ |
| 626 | uint8_t *vram = NULL;␊ |
| 627 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 628 | {␊ |
| 629 | vram = (uint8_t *) VIDEO(baseAddr) + VIDEO(rowBytes) * y + 4 * x;␊ |
| 630 | ␉drawWidth = MIN(width, VIDEO(width) - x);␊ |
| 631 | ␉height = MIN(height, VIDEO(height) - y);␊ |
| 632 | } else {␊ |
| 633 | vram = (uint8_t *) VIDEOSNOW(baseAddr) + VIDEOSNOW(rowBytes) * y + 4 * x; ␊ |
| 634 | drawWidth = MIN(width, VIDEOSNOW(width) - x);␊ |
| 635 | height = MIN(height, VIDEOSNOW(height) - y);␊ |
| 636 | }␊ |
| 637 | while (height--) {␊ |
| 638 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 639 | {␊ |
| 640 | ␉␉␉switch (VIDEO (depth))␊ |
| 641 | ␉␉␉{␊ |
| 642 | ␉␉␉␉case 32: /* Optimized version*/␊ |
| 643 | ␉␉␉␉{␊ |
| 644 | ␉␉␉␉␉uint32_t s; uint32_t* d; // Source (img) and destination (bkgd) pixels␊ |
| 645 | ␉␉␉␉␉uint32_t a; // Alpha␊ |
| 646 | ␉␉␉␉␉uint32_t dstrb, dstg, srcrb, srcg, drb, dg, rb, g, tempB; // Intermediate variables␊ |
| 647 | ␉␉␉␉␉uint16_t pos;␊ |
| 648 | ␉␉␉␉␉␊ |
| 649 | ␉␉␉␉␉for (pos = 0; pos < drawWidth * 4; pos += 4) {␊ |
| 650 | ␉␉␉␉␉␉// Fast pseudo-vector alpha blending, adapted from: http://www.stereopsis.com/doubleblend.html␊ |
| 651 | ␉␉␉␉␉␉s = *((uint32_t*) (data + pos));␊ |
| 652 | ␉␉␉␉␉␉d = (uint32_t*) (vram + pos);␊ |
| 653 | ␉␉␉␉␉␉␊ |
| 654 | ␉␉␉␉␉␉// Flip B and R in source␊ |
| 655 | ␉␉␉␉␉␉// TODO: use XCHG and inline assembly to do this in a faster, saner way␊ |
| 656 | ␉␉␉␉␉␉tempB = (s & 0xFF0000); // save B␊ |
| 657 | ␉␉␉␉␉␉s = (s & 0xFF00FFFF) | ((s & 0xFF) << 16); // put R in B␊ |
| 658 | ␉␉␉␉␉␉s = (s & 0xFFFFFF00) | (tempB >> 16); // put B in R␊ |
| 659 | ␉␉␉␉␉␉␊ |
| 660 | ␉␉␉␉␉␉a = (s >> 24) + 1;␊ |
| 661 | ␉␉␉␉␉␉␊ |
| 662 | ␉␉␉␉␉␉dstrb = *d & 0xFF00FF; dstg = *d & 0xFF00;␊ |
| 663 | ␉␉␉␉␉␉srcrb = s & 0xFF00FF; srcg = s & 0xFF00;␊ |
| 664 | ␉␉␉␉␉␉␊ |
| 665 | ␉␉␉␉␉␉drb = srcrb - dstrb;␊ |
| 666 | ␉␉␉␉␉␉dg = srcg - dstg;␊ |
| 667 | ␉␉␉␉␉␉drb *= a; dg *= a;␊ |
| 668 | ␉␉␉␉␉␉drb >>= 8; dg >>= 8;␊ |
| 669 | ␉␉␉␉␉␉␊ |
| 670 | ␉␉␉␉␉␉rb = (drb + dstrb) & 0xFF00FF;␊ |
| 671 | ␉␉␉␉␉␉g = (dg + dstg) & 0xFF00;␊ |
| 672 | ␉␉␉␉␉␉␊ |
| 673 | ␉␉␉␉␉␉*d = rb | g;␊ |
| 674 | ␉␉␉␉␉}␊ |
| 675 | ␉␉␉␉}␊ |
| 676 | ␉␉␉␉␉break;␊ |
| 677 | ␉␉␉␉␉␊ |
| 678 | ␉␉␉␉default: /*Universal version*/␊ |
| 679 | ␉␉␉␉{␊ |
| 680 | ␉␉␉␉␉uint32_t s; ␊ |
| 681 | ␉␉␉␉␉uint32_t a; // Alpha␊ |
| 682 | ␉␉␉␉␉uint32_t dr, dg, db, sr, sg, sb; // Intermediate variables␊ |
| 683 | ␉␉␉␉␉uint16_t pos;␊ |
| 684 | ␉␉␉␉␉int bpp;␊ |
| 685 | ␉␉␉␉␉if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 686 | ␉␉␉␉␉␉bpp = (VIDEO (depth) + 7)/8;␊ |
| 687 | ␉␉␉␉␉else␊ |
| 688 | ␉␉␉␉␉␉bpp = (VIDEOSNOW (depth) + 7)/8; ␊ |
| 689 | ␉␉␉␉␉␊ |
| 690 | ␉␉␉␉␉for (pos = 0; pos < drawWidth; pos ++) {␊ |
| 691 | ␉␉␉␉␉␉// Fast pseudo-vector alpha blending, adapted from: http://www.stereopsis.com/doubleblend.html␊ |
| 692 | ␉␉␉␉␉␉s = *((uint32_t*) (data + 4*pos));␊ |
| 693 | ␉␉␉␉␉␉␊ |
| 694 | ␉␉␉␉␉␉sb = (s & 0xFF0000) >> 16;␊ |
| 695 | ␉␉␉␉␉␉sg = (s & 0xFF00) >> 8;␊ |
| 696 | ␉␉␉␉␉␉sr = (s & 0xFF);␊ |
| 697 | ␉␉␉␉␉␉␊ |
| 698 | ␉␉␉␉␉␉a = (s >> 24) + 1;␊ |
| 699 | ␉␉␉␉␉␉␊ |
| 700 | ␉␉␉␉␉␉if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 701 | ␉␉␉␉␉␉{␊ |
| 702 | ␉␉␉␉␉␉␉switch (VIDEO (depth))␊ |
| 703 | ␉␉␉␉␉␉␉{␊ |
| 704 | ␉␉␉␉␉␉␉␉case 24:␊ |
| 705 | ␉␉␉␉␉␉␉␉␉db = ((*(uint32_t *)(vram + bpp*pos))&0xff);␊ |
| 706 | ␉␉␉␉␉␉␉␉␉dg = ((*(uint32_t *)(vram + bpp*pos))&0xff00)>>8;␊ |
| 707 | ␉␉␉␉␉␉␉␉␉dr = ((*(uint32_t *)(vram + bpp*pos))&0xff0000)>>16;␊ |
| 708 | ␉␉␉␉␉␉␉␉␉break;␊ |
| 709 | ␉␉␉␉␉␉␉␉case 16://16-bit seems to be 15-bit␊ |
| 710 | ␉␉␉␉␉␉␉␉␉/*␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
| 711 | ␉␉␉␉␉␉␉␉␉ dg = ((*(uint16_t *)(vram + bpp*pos))&0x07e0)>>3;␊ |
| 712 | ␉␉␉␉␉␉␉␉␉ dr = ((*(uint16_t *)(vram + bpp*pos))&0xf800)>>8;␊ |
| 713 | ␉␉␉␉␉␉␉␉␉ break;␉␉␉␉␉␉␉*/␊ |
| 714 | ␉␉␉␉␉␉␉␉case 15:␊ |
| 715 | ␉␉␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
| 716 | ␉␉␉␉␉␉␉␉␉dg = ((*(uint16_t *)(vram + bpp*pos))&0x03e0)>>2;␊ |
| 717 | ␉␉␉␉␉␉␉␉␉dr = ((*(uint16_t *)(vram + bpp*pos))&0x7c00)>>7;␊ |
| 718 | ␉␉␉␉␉␉␉␉␉break;␉␉␊ |
| 719 | ␉␉␉␉␉␉␉␉default:␊ |
| 720 | ␉␉␉␉␉␉␉␉␉return;␊ |
| 721 | ␉␉␉␉␉␉␉}␊ |
| 722 | ␉␉␉␉␉␉} else {␊ |
| 723 | ␉␉␉␉␉␉␉switch (VIDEOSNOW (depth)) ␊ |
| 724 | ␉␉␉␉␉␉␉{␊ |
| 725 | ␉␉␉␉␉␉␉␉case 24:␊ |
| 726 | ␉␉␉␉␉␉␉␉␉db = ((*(uint32_t *)(vram + bpp*pos))&0xff);␊ |
| 727 | ␉␉␉␉␉␉␉␉␉dg = ((*(uint32_t *)(vram + bpp*pos))&0xff00)>>8;␊ |
| 728 | ␉␉␉␉␉␉␉␉␉dr = ((*(uint32_t *)(vram + bpp*pos))&0xff0000)>>16;␊ |
| 729 | ␉␉␉␉␉␉␉␉␉break;␊ |
| 730 | ␉␉␉␉␉␉␉␉case 16://16-bit seems to be 15-bit␊ |
| 731 | ␉␉␉␉␉␉␉␉␉/*␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
| 732 | ␉␉␉␉␉␉␉␉␉ dg = ((*(uint16_t *)(vram + bpp*pos))&0x07e0)>>3;␊ |
| 733 | ␉␉␉␉␉␉␉␉␉ dr = ((*(uint16_t *)(vram + bpp*pos))&0xf800)>>8;␊ |
| 734 | ␉␉␉␉␉␉␉␉␉ break;␉␉␉␉␉␉␉*/␊ |
| 735 | ␉␉␉␉␉␉␉␉case 15:␊ |
| 736 | ␉␉␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
| 737 | ␉␉␉␉␉␉␉␉␉dg = ((*(uint16_t *)(vram + bpp*pos))&0x03e0)>>2;␊ |
| 738 | ␉␉␉␉␉␉␉␉␉dr = ((*(uint16_t *)(vram + bpp*pos))&0x7c00)>>7;␊ |
| 739 | ␉␉␉␉␉␉␉␉␉break;␉␉␊ |
| 740 | ␉␉␉␉␉␉␉␉default:␊ |
| 741 | ␉␉␉␉␉␉␉␉␉return;␊ |
| 742 | ␉␉␉␉␉␉␉}␊ |
| 743 | ␉␉␉␉␉␉}␊ |
| 744 | ␉␉␉␉␉␉␊ |
| 745 | ␉␉␉␉␉␉dr = (((sr - dr) * a) >> 8) + dr;␊ |
| 746 | ␉␉␉␉␉␉dg = (((sg - dg) * a) >> 8) + dg;␊ |
| 747 | ␉␉␉␉␉␉db = (((sb - db) * a) >> 8) + db;␊ |
| 748 | ␉␉␉␉␉␉if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 749 | ␉␉␉␉␉␉{␊ |
| 750 | ␉␉␉␉␉␉␉switch (VIDEO (depth))␊ |
| 751 | ␉␉␉␉␉␉␉{␊ |
| 752 | ␉␉␉␉␉␉␉␉case 24:␊ |
| 753 | ␉␉␉␉␉␉␉␉␉*(uint32_t *)(vram + bpp*pos) = (*(uint32_t *)(vram + bpp*pos) &0xff000000)␊ |
| 754 | ␉␉␉␉␉␉␉␉␉| (db&0xff) | ((dg&0xff)<<8) | ((dr&0xff)<<16);␊ |
| 755 | ␉␉␉␉␉␉␉␉␉break;␊ |
| 756 | ␉␉␉␉␉␉␉␉case 16:␊ |
| 757 | ␉␉␉␉␉␉␉␉␉//␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xfc)<<3) | ((dr&0xf8)<<8);␊ |
| 758 | ␉␉␉␉␉␉␉␉␉//␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␊ |
| 759 | ␉␉␉␉␉␉␉␉case 15:␊ |
| 760 | ␉␉␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xf8)<<2) | ((dr&0xf8)<<7);␊ |
| 761 | ␉␉␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 762 | ␉␉␉␉␉␉␉}␊ |
| 763 | ␉␉␉␉␉␉} else {␊ |
| 764 | ␉␉␉␉␉␉␉switch (VIDEOSNOW (depth))␊ |
| 765 | ␉␉␉␉␉␉␉{␊ |
| 766 | ␉␉␉␉␉␉␉␉case 24:␊ |
| 767 | ␉␉␉␉␉␉␉␉␉*(uint32_t *)(vram + bpp*pos) = (*(uint32_t *)(vram + bpp*pos) &0xff000000)␊ |
| 768 | ␉␉␉␉␉␉␉␉␉| (db&0xff) | ((dg&0xff)<<8) | ((dr&0xff)<<16);␊ |
| 769 | ␉␉␉␉␉␉␉␉␉break;␊ |
| 770 | ␉␉␉␉␉␉␉␉case 16:␊ |
| 771 | ␉␉␉␉␉␉␉␉␉//␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xfc)<<3) | ((dr&0xf8)<<8);␊ |
| 772 | ␉␉␉␉␉␉␉␉␉//␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␊ |
| 773 | ␉␉␉␉␉␉␉␉case 15:␊ |
| 774 | ␉␉␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xf8)<<2) | ((dr&0xf8)<<7);␊ |
| 775 | ␉␉␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 776 | ␉␉␉␉␉␉␉}␊ |
| 777 | ␉␉␉␉␉␉}␊ |
| 778 | ␉␉␉␉␉}␉␉␉␉␊ |
| 779 | ␉␉␉␉}␊ |
| 780 | ␉␉␉␉␉break;␊ |
| 781 | ␉␉␉}␊ |
| 782 | ␉␉} else {␊ |
| 783 | ␉␉␉switch (VIDEOSNOW (depth))␊ |
| 784 | ␉␉␉{␊ |
| 785 | ␉␉␉␉case 32: /* Optimized version*/␊ |
| 786 | ␉␉␉␉{␊ |
| 787 | ␉␉␉␉␉uint32_t s; uint32_t* d; // Source (img) and destination (bkgd) pixels␊ |
| 788 | ␉␉␉␉␉uint32_t a; // Alpha␊ |
| 789 | ␉␉␉␉␉uint32_t dstrb, dstg, srcrb, srcg, drb, dg, rb, g, tempB; // Intermediate variables␊ |
| 790 | ␉␉␉␉␉uint16_t pos;␊ |
| 791 | ␉␉␉␉␉␊ |
| 792 | ␉␉␉␉␉for (pos = 0; pos < drawWidth * 4; pos += 4) {␊ |
| 793 | ␉␉␉␉␉␉// Fast pseudo-vector alpha blending, adapted from: http://www.stereopsis.com/doubleblend.html␊ |
| 794 | ␉␉␉␉␉␉s = *((uint32_t*) (data + pos));␊ |
| 795 | ␉␉␉␉␉␉d = (uint32_t*) (vram + pos);␊ |
| 796 | ␉␉␉␉␉␉␊ |
| 797 | ␉␉␉␉␉␉// Flip B and R in source␊ |
| 798 | ␉␉␉␉␉␉// TODO: use XCHG and inline assembly to do this in a faster, saner way␊ |
| 799 | ␉␉␉␉␉␉tempB = (s & 0xFF0000); // save B␊ |
| 800 | ␉␉␉␉␉␉s = (s & 0xFF00FFFF) | ((s & 0xFF) << 16); // put R in B␊ |
| 801 | ␉␉␉␉␉␉s = (s & 0xFFFFFF00) | (tempB >> 16); // put B in R␊ |
| 802 | ␉␉␉␉␉␉␊ |
| 803 | ␉␉␉␉␉␉a = (s >> 24) + 1;␊ |
| 804 | ␉␉␉␉␉␉␊ |
| 805 | ␉␉␉␉␉␉dstrb = *d & 0xFF00FF; dstg = *d & 0xFF00;␊ |
| 806 | ␉␉␉␉␉␉srcrb = s & 0xFF00FF; srcg = s & 0xFF00;␊ |
| 807 | ␉␉␉␉␉␉␊ |
| 808 | ␉␉␉␉␉␉drb = srcrb - dstrb;␊ |
| 809 | ␉␉␉␉␉␉dg = srcg - dstg;␊ |
| 810 | ␉␉␉␉␉␉drb *= a; dg *= a;␊ |
| 811 | ␉␉␉␉␉␉drb >>= 8; dg >>= 8;␊ |
| 812 | ␉␉␉␉␉␉␊ |
| 813 | ␉␉␉␉␉␉rb = (drb + dstrb) & 0xFF00FF;␊ |
| 814 | ␉␉␉␉␉␉g = (dg + dstg) & 0xFF00;␊ |
| 815 | ␉␉␉␉␉␉␊ |
| 816 | ␉␉␉␉␉␉*d = rb | g;␊ |
| 817 | ␉␉␉␉␉}␊ |
| 818 | ␉␉␉␉}␉␉␉␉␊ |
| 819 | ␉␉␉␉␉break;␊ |
| 820 | ␉␉␉␉default: /*Universal version*/␊ |
| 821 | ␉␉␉␉{␊ |
| 822 | ␉␉␉␉␉uint32_t s; ␊ |
| 823 | ␉␉␉␉␉uint32_t a; // Alpha␊ |
| 824 | ␉␉␉␉␉uint32_t dr, dg, db, sr, sg, sb; // Intermediate variables␊ |
| 825 | ␉␉␉␉␉uint16_t pos;␊ |
| 826 | ␉␉␉␉␉int bpp;␊ |
| 827 | ␉␉␉␉␉if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 828 | ␉␉␉␉␉␉bpp = (VIDEO (depth) + 7)/8;␊ |
| 829 | ␉␉␉␉␉else␊ |
| 830 | ␉␉␉␉␉␉bpp = (VIDEOSNOW (depth) + 7)/8; ␊ |
| 831 | ␉␉␉␉␉␊ |
| 832 | ␉␉␉␉␉for (pos = 0; pos < drawWidth; pos ++) {␊ |
| 833 | ␉␉␉␉␉␉// Fast pseudo-vector alpha blending, adapted from: http://www.stereopsis.com/doubleblend.html␊ |
| 834 | ␉␉␉␉␉␉s = *((uint32_t*) (data + 4*pos));␊ |
| 835 | ␉␉␉␉␉␉␊ |
| 836 | ␉␉␉␉␉␉sb = (s & 0xFF0000) >> 16;␊ |
| 837 | ␉␉␉␉␉␉sg = (s & 0xFF00) >> 8;␊ |
| 838 | ␉␉␉␉␉␉sr = (s & 0xFF);␊ |
| 839 | ␉␉␉␉␉␉␊ |
| 840 | ␉␉␉␉␉␉a = (s >> 24) + 1;␊ |
| 841 | ␉␉␉␉␉␉␊ |
| 842 | ␉␉␉␉␉␉if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 843 | ␉␉␉␉␉␉{␊ |
| 844 | ␉␉␉␉␉␉␉switch (VIDEO (depth))␊ |
| 845 | ␉␉␉␉␉␉␉{␊ |
| 846 | ␉␉␉␉␉␉␉␉case 24:␊ |
| 847 | ␉␉␉␉␉␉␉␉␉db = ((*(uint32_t *)(vram + bpp*pos))&0xff);␊ |
| 848 | ␉␉␉␉␉␉␉␉␉dg = ((*(uint32_t *)(vram + bpp*pos))&0xff00)>>8;␊ |
| 849 | ␉␉␉␉␉␉␉␉␉dr = ((*(uint32_t *)(vram + bpp*pos))&0xff0000)>>16;␊ |
| 850 | ␉␉␉␉␉␉␉␉␉break;␊ |
| 851 | ␉␉␉␉␉␉␉␉case 16://16-bit seems to be 15-bit␊ |
| 852 | ␉␉␉␉␉␉␉␉␉/*␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
| 853 | ␉␉␉␉␉␉␉␉␉ dg = ((*(uint16_t *)(vram + bpp*pos))&0x07e0)>>3;␊ |
| 854 | ␉␉␉␉␉␉␉␉␉ dr = ((*(uint16_t *)(vram + bpp*pos))&0xf800)>>8;␊ |
| 855 | ␉␉␉␉␉␉␉␉␉ break;␉␉␉␉␉␉␉*/␊ |
| 856 | ␉␉␉␉␉␉␉␉case 15:␊ |
| 857 | ␉␉␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
| 858 | ␉␉␉␉␉␉␉␉␉dg = ((*(uint16_t *)(vram + bpp*pos))&0x03e0)>>2;␊ |
| 859 | ␉␉␉␉␉␉␉␉␉dr = ((*(uint16_t *)(vram + bpp*pos))&0x7c00)>>7;␊ |
| 860 | ␉␉␉␉␉␉␉␉␉break;␉␉␊ |
| 861 | ␉␉␉␉␉␉␉␉default:␊ |
| 862 | ␉␉␉␉␉␉␉␉␉return;␊ |
| 863 | ␉␉␉␉␉␉␉}␊ |
| 864 | ␉␉␉␉␉␉} else {␊ |
| 865 | ␉␉␉␉␉␉␉switch (VIDEOSNOW (depth)) ␊ |
| 866 | ␉␉␉␉␉␉␉{␊ |
| 867 | ␉␉␉␉␉␉␉␉case 24:␊ |
| 868 | ␉␉␉␉␉␉␉␉␉db = ((*(uint32_t *)(vram + bpp*pos))&0xff);␊ |
| 869 | ␉␉␉␉␉␉␉␉␉dg = ((*(uint32_t *)(vram + bpp*pos))&0xff00)>>8;␊ |
| 870 | ␉␉␉␉␉␉␉␉␉dr = ((*(uint32_t *)(vram + bpp*pos))&0xff0000)>>16;␊ |
| 871 | ␉␉␉␉␉␉␉␉␉break;␊ |
| 872 | ␉␉␉␉␉␉␉␉case 16://16-bit seems to be 15-bit␊ |
| 873 | ␉␉␉␉␉␉␉␉␉/*␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
| 874 | ␉␉␉␉␉␉␉␉␉ dg = ((*(uint16_t *)(vram + bpp*pos))&0x07e0)>>3;␊ |
| 875 | ␉␉␉␉␉␉␉␉␉ dr = ((*(uint16_t *)(vram + bpp*pos))&0xf800)>>8;␊ |
| 876 | ␉␉␉␉␉␉␉␉␉ break;␉␉␉␉␉␉␉*/␊ |
| 877 | ␉␉␉␉␉␉␉␉case 15:␊ |
| 878 | ␉␉␉␉␉␉␉␉␉db = ((*(uint16_t *)(vram + bpp*pos))&0x1f)<<3;␊ |
| 879 | ␉␉␉␉␉␉␉␉␉dg = ((*(uint16_t *)(vram + bpp*pos))&0x03e0)>>2;␊ |
| 880 | ␉␉␉␉␉␉␉␉␉dr = ((*(uint16_t *)(vram + bpp*pos))&0x7c00)>>7;␊ |
| 881 | ␉␉␉␉␉␉␉␉␉break;␉␉␊ |
| 882 | ␉␉␉␉␉␉␉␉default:␊ |
| 883 | ␉␉␉␉␉␉␉␉␉return;␊ |
| 884 | ␉␉␉␉␉␉␉}␊ |
| 885 | ␉␉␉␉␉␉}␊ |
| 886 | ␉␉␉␉␉␉␊ |
| 887 | ␉␉␉␉␉␉dr = (((sr - dr) * a) >> 8) + dr;␊ |
| 888 | ␉␉␉␉␉␉dg = (((sg - dg) * a) >> 8) + dg;␊ |
| 889 | ␉␉␉␉␉␉db = (((sb - db) * a) >> 8) + db;␊ |
| 890 | ␉␉␉␉␉␉if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 891 | ␉␉␉␉␉␉{␊ |
| 892 | ␉␉␉␉␉␉␉switch (VIDEO (depth))␊ |
| 893 | ␉␉␉␉␉␉␉{␊ |
| 894 | ␉␉␉␉␉␉␉␉case 24:␊ |
| 895 | ␉␉␉␉␉␉␉␉␉*(uint32_t *)(vram + bpp*pos) = (*(uint32_t *)(vram + bpp*pos) &0xff000000)␊ |
| 896 | ␉␉␉␉␉␉␉␉␉| (db&0xff) | ((dg&0xff)<<8) | ((dr&0xff)<<16);␊ |
| 897 | ␉␉␉␉␉␉␉␉␉break;␊ |
| 898 | ␉␉␉␉␉␉␉␉case 16:␊ |
| 899 | ␉␉␉␉␉␉␉␉␉//␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xfc)<<3) | ((dr&0xf8)<<8);␊ |
| 900 | ␉␉␉␉␉␉␉␉␉//␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␊ |
| 901 | ␉␉␉␉␉␉␉␉case 15:␊ |
| 902 | ␉␉␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xf8)<<2) | ((dr&0xf8)<<7);␊ |
| 903 | ␉␉␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 904 | ␉␉␉␉␉␉␉}␊ |
| 905 | ␉␉␉␉␉␉} else {␊ |
| 906 | ␉␉␉␉␉␉␉switch (VIDEOSNOW (depth))␊ |
| 907 | ␉␉␉␉␉␉␉{␊ |
| 908 | ␉␉␉␉␉␉␉␉case 24:␊ |
| 909 | ␉␉␉␉␉␉␉␉␉*(uint32_t *)(vram + bpp*pos) = (*(uint32_t *)(vram + bpp*pos) &0xff000000)␊ |
| 910 | ␉␉␉␉␉␉␉␉␉| (db&0xff) | ((dg&0xff)<<8) | ((dr&0xff)<<16);␊ |
| 911 | ␉␉␉␉␉␉␉␉␉break;␊ |
| 912 | ␉␉␉␉␉␉␉␉case 16:␊ |
| 913 | ␉␉␉␉␉␉␉␉␉//␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xfc)<<3) | ((dr&0xf8)<<8);␊ |
| 914 | ␉␉␉␉␉␉␉␉␉//␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␊ |
| 915 | ␉␉␉␉␉␉␉␉case 15:␊ |
| 916 | ␉␉␉␉␉␉␉␉␉*(uint16_t *)(vram + bpp*pos) = ((db&0xf8)>>3) | ((dg&0xf8)<<2) | ((dr&0xf8)<<7);␊ |
| 917 | ␉␉␉␉␉␉␉␉␉break;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 918 | ␉␉␉␉␉␉␉}␊ |
| 919 | ␉␉␉␉␉␉}␊ |
| 920 | ␉␉␉␉␉}␉␉␉␉␊ |
| 921 | ␉␉␉␉}␊ |
| 922 | ␉␉␉␉␉break;␊ |
| 923 | ␉␉␉}␊ |
| 924 | }␊ |
| 925 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 926 | ␉vram += VIDEO(rowBytes);␊ |
| 927 | else␊ |
| 928 | vram += VIDEOSNOW(rowBytes);␊ |
| 929 | data += width * 4;␊ |
| 930 | }␊ |
| 931 | }␊ |
| 932 | ␊ |
| 933 | void drawCheckerBoard()␊ |
| 934 | {␊ |
| 935 | uint32_t *vram;␊ |
| 936 | uint16_t x, y;␊ |
| 937 | uint8_t color;␊ |
| 938 | ␉␊ |
| 939 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 940 | vram = (uint32_t *) VIDEO(baseAddr);␊ |
| 941 | else␊ |
| 942 | vram = (uint32_t *) VIDEOSNOW(baseAddr);␊ |
| 943 | ␉␊ |
| 944 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 945 | {␊ |
| 946 | ␉␉for (y = 0; y < VIDEO(height); y++, vram += VIDEO(width)) {␊ |
| 947 | ␉␉␉for (x = 0; x < VIDEO(width); x++) {␊ |
| 948 | ␉␉␉␉color = 204 + 51 * (((x / 8) % 2) == ((y / 8) % 2));␊ |
| 949 | ␉␉␉␉vram[x] = (color << 16) | (color << 8) | color;␊ |
| 950 | ␉␉␉}␊ |
| 951 | ␉␉}␊ |
| 952 | ␉} else {␊ |
| 953 | ␉␉for (y = 0; y < VIDEOSNOW(height); y++, vram += VIDEOSNOW(width)) {␊ |
| 954 | ␉␉␉for (x = 0; x < VIDEOSNOW(width); x++) {␊ |
| 955 | ␉␉␉␉color = 204 + 51 * (((x / 8) % 2) == ((y / 8) % 2));␊ |
| 956 | ␉␉␉␉vram[x] = (color << 16) | (color << 8) | color;␊ |
| 957 | ␉␉␉}␊ |
| 958 | ␉␉}␊ |
| 959 | ␉}␊ |
| 960 | }␊ |
| 961 | ␊ |
| 962 | //==========================================================================␊ |
| 963 | // LookUpCLUTIndex␊ |
| 964 | ␊ |
| 965 | unsigned long lookUpCLUTIndex( unsigned char index,␊ |
| 966 | ␉␉␉␉␉␉␉ unsigned char depth )␊ |
| 967 | {␊ |
| 968 | long result, red, green, blue;␊ |
| 969 | ␉␊ |
| 970 | red = appleClut8[index * 3 + 0];␊ |
| 971 | green = appleClut8[index * 3 + 1];␊ |
| 972 | blue = appleClut8[index * 3 + 2];␊ |
| 973 | ␉␊ |
| 974 | switch (depth) {␊ |
| 975 | case 16 :␊ |
| 976 | result = ((red & 0xF8) << 7) | ␊ |
| 977 | ␉␉␉((green & 0xF8) << 2) |␊ |
| 978 | ␉␉␉((blue & 0xF8) >> 3);␊ |
| 979 | result |= (result << 16);␊ |
| 980 | break;␊ |
| 981 | ␉␉␉␊ |
| 982 | case 32 :␊ |
| 983 | result = (red << 16) | (green << 8) | blue;␊ |
| 984 | break;␊ |
| 985 | ␉␉␉␊ |
| 986 | default :␊ |
| 987 | result = index | (index << 8);␊ |
| 988 | result |= (result << 16);␊ |
| 989 | break;␊ |
| 990 | }␊ |
| 991 | ␉␊ |
| 992 | return result;␊ |
| 993 | }␊ |
| 994 | ␊ |
| 995 | //==========================================================================␊ |
| 996 | // drawColorRectangle␊ |
| 997 | ␊ |
| 998 | void * stosl(void * dst, long val, long len)␊ |
| 999 | {␊ |
| 1000 | asm volatile ( "rep; stosl"␊ |
| 1001 | ␉␉␉␉ : "=c" (len), "=D" (dst)␊ |
| 1002 | ␉␉␉␉ : "0" (len), "1" (dst), "a" (val)␊ |
| 1003 | ␉␉␉␉ : "memory" );␊ |
| 1004 | ␉␊ |
| 1005 | return dst;␊ |
| 1006 | }␊ |
| 1007 | ␊ |
| 1008 | void drawColorRectangle( unsigned short x,␊ |
| 1009 | ␉␉␉␉␉␉unsigned short y,␊ |
| 1010 | ␉␉␉␉␉␉unsigned short width,␊ |
| 1011 | ␉␉␉␉␉␉unsigned short height,␊ |
| 1012 | ␉␉␉␉␉␉unsigned char colorIndex )␊ |
| 1013 | {␊ |
| 1014 | long pixelBytes;␊ |
| 1015 | ␉long color;␊ |
| 1016 | ␉char * vram;␊ |
| 1017 | ␉␊ |
| 1018 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 1019 | color = lookUpCLUTIndex( colorIndex, VIDEO(depth) );␊ |
| 1020 | else␊ |
| 1021 | color = lookUpCLUTIndex( colorIndex, VIDEOSNOW(depth) );␊ |
| 1022 | ␉␊ |
| 1023 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 1024 | {␊ |
| 1025 | ␉␉pixelBytes = VIDEO(depth) / 8;␊ |
| 1026 | ␉␉vram = (char *) VIDEO(baseAddr) +␊ |
| 1027 | ␉␉VIDEO(rowBytes) * y + pixelBytes * x;␊ |
| 1028 | ␉␉␊ |
| 1029 | ␉␉width = MIN(width, VIDEO(width) - x);␊ |
| 1030 | ␉␉height = MIN(height, VIDEO(height) - y);␊ |
| 1031 | ␉} else {␊ |
| 1032 | ␉␉pixelBytes = VIDEOSNOW(depth) / 8;␊ |
| 1033 | ␉␉vram = (char *) VIDEOSNOW(baseAddr) +␊ |
| 1034 | ␉␉VIDEO(rowBytes) * y + pixelBytes * x;␊ |
| 1035 | ␉␉␊ |
| 1036 | ␉␉width = MIN(width, VIDEOSNOW(width) - x);␊ |
| 1037 | ␉␉height = MIN(height, VIDEOSNOW(height) - y);␊ |
| 1038 | ␉}␊ |
| 1039 | ␉␊ |
| 1040 | while ( height-- )␊ |
| 1041 | {␊ |
| 1042 | int rem = ( pixelBytes * width ) % 4;␊ |
| 1043 | if ( rem ) bcopy( &color, vram, rem );␊ |
| 1044 | stosl( vram + rem, color, pixelBytes * width / 4 );␊ |
| 1045 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 1046 | ␉vram += VIDEO(rowBytes);␊ |
| 1047 | else␊ |
| 1048 | vram += VIDEOSNOW(rowBytes);␊ |
| 1049 | }␊ |
| 1050 | }␊ |
| 1051 | ␊ |
| 1052 | //==========================================================================␊ |
| 1053 | // drawDataRectangle␊ |
| 1054 | ␊ |
| 1055 | void drawDataRectangle( unsigned short x,␊ |
| 1056 | ␉␉␉␉␉ unsigned short y,␊ |
| 1057 | ␉␉␉␉␉ unsigned short width,␊ |
| 1058 | ␉␉␉␉␉ unsigned short height,␊ |
| 1059 | ␉␉␉␉␉ unsigned char * data )␊ |
| 1060 | {␊ |
| 1061 | unsigned short drawWidth;␊ |
| 1062 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 1063 | {␊ |
| 1064 | ␉␉long pixelBytes = VIDEO(depth) / 8;␊ |
| 1065 | ␉␉unsigned char * vram = (unsigned char *) VIDEO(baseAddr) +␊ |
| 1066 | VIDEO(rowBytes) * y + pixelBytes * x;␊ |
| 1067 | ␉␉␊ |
| 1068 | ␉␉drawWidth = MIN(width, VIDEO(width) - x);␊ |
| 1069 | ␉␉height = MIN(height, VIDEO(height) - y);␊ |
| 1070 | ␉␉while ( height-- ) {␊ |
| 1071 | ␉␉␉bcopy( data, vram, drawWidth * pixelBytes );␊ |
| 1072 | ␉␉␉vram += VIDEO(rowBytes);␊ |
| 1073 | ␉␉␉data += width * pixelBytes;␊ |
| 1074 | ␉␉}␊ |
| 1075 | ␉} else {␊ |
| 1076 | ␉␉long pixelBytes = VIDEOSNOW(depth) / 8;␊ |
| 1077 | ␉␉unsigned char * vram = (unsigned char *) VIDEOSNOW(baseAddr) +␊ |
| 1078 | ␉␉VIDEOSNOW(rowBytes) * y + pixelBytes * x;␊ |
| 1079 | ␉␉␊ |
| 1080 | ␉␉drawWidth = MIN(width, VIDEOSNOW(width) - x);␊ |
| 1081 | ␉␉height = MIN(height, VIDEOSNOW(height) - y);␊ |
| 1082 | ␉␉while ( height-- ) {␊ |
| 1083 | ␉␉␉bcopy( data, vram, drawWidth * pixelBytes );␊ |
| 1084 | ␉␉␉vram += VIDEOSNOW(rowBytes);␊ |
| 1085 | ␉␉␉data += width * pixelBytes;␊ |
| 1086 | ␉␉} ␊ |
| 1087 | ␉}␊ |
| 1088 | }␊ |
| 1089 | ␊ |
| 1090 | void␊ |
| 1091 | loadImageScale (void *input, int iw, int ih, int ip, void *output, int ow, int oh, int op, int or)␊ |
| 1092 | {␊ |
| 1093 | ␉int x,y, off;␊ |
| 1094 | ␉int red=0x7f, green=0x7f, blue=0x7f;␊ |
| 1095 | ␉for (x=0;x<ow;x++)␊ |
| 1096 | ␉␉for (y=0;y<oh;y++)␊ |
| 1097 | ␉␉{␊ |
| 1098 | ␉␉␉off=(x*iw)/ow+((y*ih)/oh)*iw;␊ |
| 1099 | ␉␉␉switch (ip)␊ |
| 1100 | ␉␉␉{␊ |
| 1101 | ␉␉␉␉case 16:␊ |
| 1102 | ␉␉␉␉{␊ |
| 1103 | ␉␉␉␉␉uint16_t val;␊ |
| 1104 | ␉␉␉␉␉val=((uint16_t *)input)[off];␊ |
| 1105 | ␉␉␉␉␉red=(val>>7)&0xf8;␊ |
| 1106 | ␉␉␉␉␉green=(val>>2)&0xf8;␊ |
| 1107 | ␉␉␉␉␉blue=(val<<3)&0xf8;␊ |
| 1108 | ␉␉␉␉␉break;␉␉␊ |
| 1109 | ␉␉␉␉}␊ |
| 1110 | ␉␉␉␉case 32:␊ |
| 1111 | ␉␉␉␉{␊ |
| 1112 | ␉␉␉␉␉uint32_t val;␊ |
| 1113 | ␉␉␉␉␉val=((uint32_t *)input)[off];␊ |
| 1114 | ␉␉␉␉␉red=(val>>16)&0xff;␊ |
| 1115 | ␉␉␉␉␉green=(val>>8)&0xff;␊ |
| 1116 | ␉␉␉␉␉blue=(val)&0xff;␊ |
| 1117 | ␉␉␉␉␉break;␊ |
| 1118 | ␉␉␉␉}␉␉␉␉␊ |
| 1119 | ␉␉␉}␊ |
| 1120 | ␉␉␉char *ptr=(char *)output+x*(op/8)+y*or;␊ |
| 1121 | ␉␉␉switch (op)␊ |
| 1122 | ␉␉␉{␊ |
| 1123 | ␉␉␉␉case 16:␊ |
| 1124 | ␉␉␉␉␉*((uint16_t *)ptr) = ((red & 0xF8) << 7) | ␊ |
| 1125 | ␉␉␉␉␉((green & 0xF8) << 2) |␊ |
| 1126 | ␉␉␉␉␉((blue & 0xF8) >> 3);␊ |
| 1127 | ␉␉␉␉␉break;␊ |
| 1128 | ␉␉␉␉case 32 :␊ |
| 1129 | ␉␉␉␉␉*((uint32_t *)ptr) = (red << 16) | (green << 8) | blue;␊ |
| 1130 | ␉␉␉␉␉break;␊ |
| 1131 | ␉␉␉}␊ |
| 1132 | ␉␉}␊ |
| 1133 | }␊ |
| 1134 | ␊ |
| 1135 | DECLARE_IOHIBERNATEPROGRESSALPHA␊ |
| 1136 | ␊ |
| 1137 | void drawPreview(void *src, uint8_t * saveunder)␊ |
| 1138 | {␊ |
| 1139 | ␉uint8_t * screen;␊ |
| 1140 | ␉uint32_t rowBytes, pixelShift;␊ |
| 1141 | ␉uint32_t x, y;␊ |
| 1142 | ␉int32_t blob;␊ |
| 1143 | ␉uint32_t alpha, in, color, result;␊ |
| 1144 | ␉uint8_t * out;␊ |
| 1145 | ␉void *uncomp;␊ |
| 1146 | ␉int origwidth, origheight, origbpx;␊ |
| 1147 | ␉uint32_t saveindex[kIOHibernateProgressCount] = { 0 };␊ |
| 1148 | ␉␊ |
| 1149 | ␉if (src && (uncomp=DecompressData(src, &origwidth, &origheight, &origbpx)))␊ |
| 1150 | ␉{␊ |
| 1151 | ␉␉if (!setVESAGraphicsMode(origwidth, origheight, origbpx, 0))␊ |
| 1152 | ␉␉␉if (initGraphicsMode () != errSuccess)␊ |
| 1153 | ␉␉␉␉return;␊ |
| 1154 | ␉␉if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 1155 | ␉␉{␊ |
| 1156 | ␉␉␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
| 1157 | ␉␉␉rowBytes = VIDEO (rowBytes);␊ |
| 1158 | ␉␉␉loadImageScale (uncomp, origwidth, origheight, origbpx, screen, VIDEO(width), VIDEO(height), VIDEO(depth), VIDEO (rowBytes));␊ |
| 1159 | ␉␉} else {␊ |
| 1160 | ␉␉␉screen = (uint8_t *) VIDEOSNOW (baseAddr);␊ |
| 1161 | ␉␉␉rowBytes = VIDEOSNOW (rowBytes);␊ |
| 1162 | ␉␉␉loadImageScale (uncomp, origwidth, origheight, origbpx, screen, VIDEOSNOW(width), VIDEOSNOW(height), VIDEOSNOW(depth), VIDEOSNOW (rowBytes));␊ |
| 1163 | ␉␉}␊ |
| 1164 | ␉}␊ |
| 1165 | ␉else␊ |
| 1166 | ␉{␊ |
| 1167 | ␉␉if (initGraphicsMode () != errSuccess)␊ |
| 1168 | ␉␉␉return;␊ |
| 1169 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 1170 | {␊ |
| 1171 | ␉␉␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
| 1172 | ␉␉␉rowBytes = VIDEO (rowBytes);␊ |
| 1173 | ␉␉␉// Set the screen to 75% grey.␊ |
| 1174 | ␉␉␉drawColorRectangle(0, 0, VIDEO(width), VIDEO(height), 0x01 /* color index */);␊ |
| 1175 | ␉␉} else {␊ |
| 1176 | ␉␉␉screen = (uint8_t *) VIDEOSNOW (baseAddr);␊ |
| 1177 | ␉␉␉rowBytes = VIDEOSNOW (rowBytes);␊ |
| 1178 | ␉␉␉// Set the screen to 75% grey.␊ |
| 1179 | ␉␉␉drawColorRectangle(0, 0, VIDEOSNOW(width), VIDEOSNOW(height), 0x01 /* color index */);␊ |
| 1180 | ␉␉}␊ |
| 1181 | ␉}␊ |
| 1182 | ␉␊ |
| 1183 | ␉if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 1184 | ␉␉pixelShift = VIDEO (depth) >> 4;␊ |
| 1185 | ␉else␊ |
| 1186 | ␉␉pixelShift = VIDEOSNOW (depth) >> 4;␊ |
| 1187 | ␉if (pixelShift < 1) return;␊ |
| 1188 | ␉␊ |
| 1189 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 1190 | {␊ |
| 1191 | ␉␉screen += ((VIDEO (width) ␊ |
| 1192 | ␉␉␉␉␉- kIOHibernateProgressCount * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << (pixelShift - 1))␊ |
| 1193 | ␉␉+ (VIDEO (height) - kIOHibernateProgressOriginY - kIOHibernateProgressHeight) * rowBytes;␊ |
| 1194 | ␉} else {␊ |
| 1195 | ␉␉screen += ((VIDEOSNOW (width) ␊ |
| 1196 | ␉␉␉␉␉- kIOHibernateProgressCount * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << (pixelShift - 1))␊ |
| 1197 | ␉␉+ (VIDEOSNOW (height) - kIOHibernateProgressOriginY - kIOHibernateProgressHeight) * rowBytes; ␊ |
| 1198 | ␉}␊ |
| 1199 | ␉␊ |
| 1200 | ␉for (y = 0; y < kIOHibernateProgressHeight; y++)␊ |
| 1201 | ␉{␊ |
| 1202 | ␉␉out = screen + y * rowBytes;␊ |
| 1203 | ␉␉for (blob = 0; blob < kIOHibernateProgressCount; blob++)␊ |
| 1204 | ␉␉{␊ |
| 1205 | ␉␉␉color = blob ? kIOHibernateProgressDarkGray : kIOHibernateProgressMidGray;␊ |
| 1206 | ␉␉␉for (x = 0; x < kIOHibernateProgressWidth; x++)␊ |
| 1207 | ␉␉␉{␊ |
| 1208 | ␉␉␉␉alpha = gIOHibernateProgressAlpha[y][x];␊ |
| 1209 | ␉␉␉␉result = color;␊ |
| 1210 | ␉␉␉␉if (alpha)␊ |
| 1211 | ␉␉␉␉{␊ |
| 1212 | ␉␉␉␉␉if (0xff != alpha)␊ |
| 1213 | ␉␉␉␉␉{␊ |
| 1214 | ␉␉␉␉␉␉if (1 == pixelShift)␊ |
| 1215 | ␉␉␉␉␉␉{␊ |
| 1216 | ␉␉␉␉␉␉␉in = *((uint16_t *)out) & 0x1f;␉// 16␊ |
| 1217 | ␉␉␉␉␉␉␉in = (in << 3) | (in >> 2);␊ |
| 1218 | ␉␉␉␉␉␉}␊ |
| 1219 | ␉␉␉␉␉␉else␊ |
| 1220 | ␉␉␉␉␉␉␉in = *((uint32_t *)out) & 0xff;␉// 32␊ |
| 1221 | ␉␉␉␉␉␉saveunder[blob * kIOHibernateProgressSaveUnderSize + saveindex[blob]++] = in;␊ |
| 1222 | ␉␉␉␉␉␉result = ((255 - alpha) * in + alpha * result + 0xff) >> 8;␊ |
| 1223 | ␉␉␉␉␉}␊ |
| 1224 | ␉␉␉␉␉if (1 == pixelShift)␊ |
| 1225 | ␉␉␉␉␉{␊ |
| 1226 | ␉␉␉␉␉␉result >>= 3;␊ |
| 1227 | ␉␉␉␉␉␉*((uint16_t *)out) = (result << 10) | (result << 5) | result;␉// 16␊ |
| 1228 | ␉␉␉␉␉}␊ |
| 1229 | ␉␉␉␉␉else␊ |
| 1230 | ␉␉␉␉␉␉*((uint32_t *)out) = (result << 16) | (result << 8) | result;␉// 32␊ |
| 1231 | ␉␉␉␉}␊ |
| 1232 | ␉␉␉␉out += (1 << pixelShift);␊ |
| 1233 | ␉␉␉}␊ |
| 1234 | ␉␉␉out += (kIOHibernateProgressSpacing << pixelShift);␊ |
| 1235 | ␉␉}␊ |
| 1236 | ␉}␊ |
| 1237 | }␊ |
| 1238 | ␊ |
| 1239 | void updateProgressBar(uint8_t * saveunder, int32_t firstBlob, int32_t select)␊ |
| 1240 | {␊ |
| 1241 | ␉uint8_t * screen;␊ |
| 1242 | ␉uint32_t rowBytes, pixelShift;␊ |
| 1243 | ␉uint32_t x, y;␊ |
| 1244 | ␉int32_t blob, lastBlob;␊ |
| 1245 | ␉uint32_t alpha, in, color, result;␊ |
| 1246 | ␉uint8_t * out;␊ |
| 1247 | ␉uint32_t saveindex[kIOHibernateProgressCount] = { 0 };␊ |
| 1248 | ␉␊ |
| 1249 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 1250 | ␉␉pixelShift = VIDEO(depth) >> 4;␊ |
| 1251 | ␉else␊ |
| 1252 | ␉␉pixelShift = VIDEOSNOW(depth) >> 4;␊ |
| 1253 | ␉if (pixelShift < 1) return;␊ |
| 1254 | if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 1255 | {␊ |
| 1256 | ␉␉screen = (uint8_t *) VIDEO (baseAddr);␊ |
| 1257 | ␉␉rowBytes = VIDEO (rowBytes);␊ |
| 1258 | ␉␉␊ |
| 1259 | ␉␉screen += ((VIDEO (width) ␊ |
| 1260 | ␉␉␉␉␉- kIOHibernateProgressCount * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << (pixelShift - 1))␊ |
| 1261 | ␉␉+ (VIDEO (height) - kIOHibernateProgressOriginY - kIOHibernateProgressHeight) * rowBytes;␊ |
| 1262 | ␉} else {␊ |
| 1263 | ␉␉screen = (uint8_t *) VIDEOSNOW (baseAddr);␊ |
| 1264 | ␉␉rowBytes = VIDEOSNOW (rowBytes);␊ |
| 1265 | ␉␉␊ |
| 1266 | ␉␉screen += ((VIDEOSNOW (width) ␊ |
| 1267 | ␉␉␉␉␉- kIOHibernateProgressCount * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << (pixelShift - 1))␊ |
| 1268 | ␉␉+ (VIDEOSNOW (height) - kIOHibernateProgressOriginY - kIOHibernateProgressHeight) * rowBytes;␊ |
| 1269 | ␉}␊ |
| 1270 | ␉␊ |
| 1271 | ␉lastBlob = (select < kIOHibernateProgressCount) ? select : (kIOHibernateProgressCount - 1);␊ |
| 1272 | ␉␊ |
| 1273 | ␉screen += (firstBlob * (kIOHibernateProgressWidth + kIOHibernateProgressSpacing)) << pixelShift;␊ |
| 1274 | ␉␊ |
| 1275 | ␉for (y = 0; y < kIOHibernateProgressHeight; y++)␊ |
| 1276 | ␉{␊ |
| 1277 | ␉␉out = screen + y * rowBytes;␊ |
| 1278 | ␉␉for (blob = firstBlob; blob <= lastBlob; blob++)␊ |
| 1279 | ␉␉{␊ |
| 1280 | ␉␉␉color = (blob < select) ? kIOHibernateProgressLightGray : kIOHibernateProgressMidGray;␊ |
| 1281 | ␉␉␉for (x = 0; x < kIOHibernateProgressWidth; x++)␊ |
| 1282 | ␉␉␉{␊ |
| 1283 | ␉␉␉␉alpha = gIOHibernateProgressAlpha[y][x];␊ |
| 1284 | ␉␉␉␉result = color;␊ |
| 1285 | ␉␉␉␉if (alpha)␊ |
| 1286 | ␉␉␉␉{␊ |
| 1287 | ␉␉␉␉␉if (0xff != alpha)␊ |
| 1288 | ␉␉␉␉␉{␊ |
| 1289 | ␉␉␉␉␉␉in = saveunder[blob * kIOHibernateProgressSaveUnderSize + saveindex[blob]++];␊ |
| 1290 | ␉␉␉␉␉␉result = ((255 - alpha) * in + alpha * result + 0xff) / 255;␊ |
| 1291 | ␉␉␉␉␉}␊ |
| 1292 | ␉␉␉␉␉if (1 == pixelShift)␊ |
| 1293 | ␉␉␉␉␉{␊ |
| 1294 | ␉␉␉␉␉␉result >>= 3;␊ |
| 1295 | ␉␉␉␉␉␉*((uint16_t *)out) = (result << 10) | (result << 5) | result;␉// 16␊ |
| 1296 | ␉␉␉␉␉}␊ |
| 1297 | ␉␉␉␉␉else␊ |
| 1298 | ␉␉␉␉␉␉*((uint32_t *)out) = (result << 16) | (result << 8) | result;␉// 32␊ |
| 1299 | ␉␉␉␉}␊ |
| 1300 | ␉␉␉␉out += (1 << pixelShift);␊ |
| 1301 | ␉␉␉}␊ |
| 1302 | ␉␉␉out += (kIOHibernateProgressSpacing << pixelShift);␊ |
| 1303 | ␉␉}␊ |
| 1304 | ␉}␊ |
| 1305 | }␊ |
| 1306 | ␊ |
| 1307 | ␊ |
| 1308 | //==========================================================================␊ |
| 1309 | // setVESATextMode␊ |
| 1310 | ␊ |
| 1311 | static int␊ |
| 1312 | setVESATextMode( unsigned short cols,␊ |
| 1313 | ␉␉␉␉unsigned short rows,␊ |
| 1314 | ␉␉␉␉unsigned char bitsPerPixel )␊ |
| 1315 | {␊ |
| 1316 | VBEModeInfoBlock minfo;␊ |
| 1317 | unsigned short mode = modeEndOfList;␊ |
| 1318 | ␉␊ |
| 1319 | if ( (cols != 80) || (rows != 25) ) // not 80x25 mode␊ |
| 1320 | {␊ |
| 1321 | mode = getVESAModeWithProperties( cols, rows, bitsPerPixel,␊ |
| 1322 | ␉␉␉␉␉␉␉␉␉␉ maColorModeBit |␊ |
| 1323 | ␉␉␉␉␉␉␉␉␉␉ maModeIsSupportedBit,␊ |
| 1324 | ␉␉␉␉␉␉␉␉␉␉ maGraphicsModeBit,␊ |
| 1325 | ␉␉␉␉␉␉␉␉␉␉ &minfo, NULL );␊ |
| 1326 | }␊ |
| 1327 | ␉␊ |
| 1328 | if ( ( mode == modeEndOfList ) || ( setVBEMode(mode, NULL) != errSuccess ) )␊ |
| 1329 | {␊ |
| 1330 | video_mode( 2 ); // VGA BIOS, 80x25 text mode.␊ |
| 1331 | minfo.XResolution = 80;␊ |
| 1332 | minfo.YResolution = 25;␊ |
| 1333 | }␊ |
| 1334 | ␉␊ |
| 1335 | // Update KernBootStruct using info provided by the selected␊ |
| 1336 | // VESA mode.␊ |
| 1337 | ␉␊ |
| 1338 | bootArgs->Video.v_display = VGA_TEXT_MODE;␊ |
| 1339 | bootArgs->Video.v_baseAddr = 0xb8000;␊ |
| 1340 | bootArgs->Video.v_width = minfo.XResolution;␊ |
| 1341 | bootArgs->Video.v_height = minfo.YResolution;␊ |
| 1342 | bootArgs->Video.v_depth = 8;␊ |
| 1343 | bootArgs->Video.v_rowBytes = 0x8000;␊ |
| 1344 | ␉␊ |
| 1345 | bootArgsSnow->Video.v_display = VGA_TEXT_MODE;␊ |
| 1346 | bootArgsSnow->Video.v_baseAddr = 0xb8000;␊ |
| 1347 | bootArgsSnow->Video.v_width = minfo.XResolution;␊ |
| 1348 | bootArgsSnow->Video.v_height = minfo.YResolution;␊ |
| 1349 | bootArgsSnow->Video.v_depth = 8;␊ |
| 1350 | bootArgsSnow->Video.v_rowBytes = 0x8000;␊ |
| 1351 | ␉␊ |
| 1352 | return errSuccess; // always return success␊ |
| 1353 | }␊ |
| 1354 | ␊ |
| 1355 | //==========================================================================␊ |
| 1356 | // getNumberArrayFromProperty␊ |
| 1357 | ␊ |
| 1358 | static int␊ |
| 1359 | getNumberArrayFromProperty( const char * propKey,␊ |
| 1360 | ␉␉␉␉␉␉ unsigned long numbers[],␊ |
| 1361 | ␉␉␉␉␉␉ unsigned long maxArrayCount )␊ |
| 1362 | {␊ |
| 1363 | char * propStr;␊ |
| 1364 | unsigned long count = 0;␊ |
| 1365 | ␉␊ |
| 1366 | propStr = newStringForKey( (char *) propKey , &bootInfo->bootConfig );␊ |
| 1367 | if ( propStr )␊ |
| 1368 | {␊ |
| 1369 | char * delimiter = propStr;␊ |
| 1370 | char * p = propStr;␊ |
| 1371 | ␉␉␊ |
| 1372 | while ( count < maxArrayCount && *p != '\0' )␊ |
| 1373 | {␊ |
| 1374 | unsigned long val = strtoul( p, &delimiter, 10 );␊ |
| 1375 | if ( p != delimiter )␊ |
| 1376 | {␊ |
| 1377 | numbers[count++] = val;␊ |
| 1378 | p = delimiter;␊ |
| 1379 | }␊ |
| 1380 | while ( ( *p != '\0' ) && !isdigit(*p) )␊ |
| 1381 | p++;␊ |
| 1382 | }␊ |
| 1383 | ␉␉␊ |
| 1384 | free( propStr );␊ |
| 1385 | }␊ |
| 1386 | ␉␊ |
| 1387 | return count;␊ |
| 1388 | }␊ |
| 1389 | ␊ |
| 1390 | int initGraphicsMode ()␊ |
| 1391 | {␊ |
| 1392 | ␉unsigned long params[4];␊ |
| 1393 | ␉int count;␊ |
| 1394 | ␉␊ |
| 1395 | ␉params[3] = 0;␊ |
| 1396 | ␉count = getNumberArrayFromProperty( kGraphicsModeKey, params, 4 );␊ |
| 1397 | ␉␊ |
| 1398 | ␉// Try to find a resolution if "Graphics Mode" setting is not available.␊ |
| 1399 | ␉if ( count < 3 )␊ |
| 1400 | ␉{␊ |
| 1401 | ␉␉// Use the default resolution if we don't have an initialized GUI.␊ |
| 1402 | ␉␉if (gui.screen.width == 0 || gui.screen.height == 0)␊ |
| 1403 | ␉␉{␊ |
| 1404 | ␉␉␉gui.screen.width = DEFAULT_SCREEN_WIDTH;␉␊ |
| 1405 | ␉␉␉gui.screen.height = DEFAULT_SCREEN_HEIGHT;␊ |
| 1406 | ␉␉}␊ |
| 1407 | ␉␉␊ |
| 1408 | ␉␉params[0] = gui.screen.width;␊ |
| 1409 | ␉␉params[1] = gui.screen.height;␊ |
| 1410 | ␉␉params[2] = 32;␊ |
| 1411 | ␉}␊ |
| 1412 | ␉␊ |
| 1413 | ␉// Map from pixel format to bits per pixel.␊ |
| 1414 | ␉␊ |
| 1415 | ␉if ( params[2] == 256 ) params[2] = 8;␊ |
| 1416 | ␉if ( params[2] == 555 ) params[2] = 16;␊ |
| 1417 | ␉if ( params[2] == 888 ) params[2] = 32;␊ |
| 1418 | ␉␊ |
| 1419 | ␉return setVESAGraphicsMode( params[0], params[1], params[2], params[3] );␉␊ |
| 1420 | }␊ |
| 1421 | ␊ |
| 1422 | //==========================================================================␊ |
| 1423 | // setVideoMode␊ |
| 1424 | //␊ |
| 1425 | // Set the video mode to VGA_TEXT_MODE or GRAPHICS_MODE.␊ |
| 1426 | ␊ |
| 1427 | void␊ |
| 1428 | setVideoMode( int mode, int drawgraphics)␊ |
| 1429 | {␊ |
| 1430 | unsigned long params[4];␊ |
| 1431 | int count;␊ |
| 1432 | int err = errSuccess;␊ |
| 1433 | ␉␊ |
| 1434 | if ( mode == GRAPHICS_MODE )␊ |
| 1435 | {␊ |
| 1436 | ␉␉if ( (err=initGraphicsMode ()) == errSuccess ) {␊ |
| 1437 | ␉␉␉if (gVerboseMode) {␊ |
| 1438 | ␉␉␉␉// Tell the kernel to use text mode on a linear frame buffer display␊ |
| 1439 | ␉␉␉␉bootArgs->Video.v_display = FB_TEXT_MODE;␊ |
| 1440 | ␉␉␉␉bootArgsSnow->Video.v_display = FB_TEXT_MODE; ␊ |
| 1441 | ␉␉␉} else {␊ |
| 1442 | ␉␉␉␉bootArgs->Video.v_display = GRAPHICS_MODE;␊ |
| 1443 | ␉␉␉␉bootArgsSnow->Video.v_display = GRAPHICS_MODE;␊ |
| 1444 | ␉␉␉}␊ |
| 1445 | ␉␉}␊ |
| 1446 | }␊ |
| 1447 | ␉␊ |
| 1448 | if ( (mode == VGA_TEXT_MODE) || (err != errSuccess) )␊ |
| 1449 | {␊ |
| 1450 | count = getNumberArrayFromProperty( kTextModeKey, params, 2 );␊ |
| 1451 | if ( count < 2 )␊ |
| 1452 | {␊ |
| 1453 | params[0] = 80; // Default text mode is 80x25.␊ |
| 1454 | params[1] = 25;␊ |
| 1455 | }␊ |
| 1456 | ␉␉␊ |
| 1457 | ␉␉setVESATextMode( params[0], params[1], 4 );␊ |
| 1458 | bootArgs->Video.v_display = VGA_TEXT_MODE;␊ |
| 1459 | bootArgsSnow->Video.v_display = VGA_TEXT_MODE;␊ |
| 1460 | }␊ |
| 1461 | ␉␊ |
| 1462 | currentIndicator = 0;␊ |
| 1463 | }␊ |
| 1464 | ␊ |
| 1465 | void getGraphicModeParams(unsigned long params[]) {␊ |
| 1466 | ␉␊ |
| 1467 | ␉params[3] = 0;␊ |
| 1468 | ␉␊ |
| 1469 | ␉VBEModeInfoBlock minfo;␊ |
| 1470 | ␉␊ |
| 1471 | unsigned short vesaVersion;␊ |
| 1472 | unsigned short mode = modeEndOfList;␊ |
| 1473 | ␉␊ |
| 1474 | ␉getNumberArrayFromProperty( kGraphicsModeKey, params, 4);␊ |
| 1475 | ␉␊ |
| 1476 | ␉mode = getVESAModeWithProperties( params[0], params[1], params[2],␊ |
| 1477 | ␉␉␉␉␉␉␉␉␉ maColorModeBit |␊ |
| 1478 | ␉␉␉␉␉␉␉␉␉ maModeIsSupportedBit |␊ |
| 1479 | ␉␉␉␉␉␉␉␉␉ maGraphicsModeBit |␊ |
| 1480 | ␉␉␉␉␉␉␉␉␉ maLinearFrameBufferAvailBit,␊ |
| 1481 | ␉␉␉␉␉␉␉␉␉ 0,␊ |
| 1482 | ␉␉␉␉␉␉␉␉␉ &minfo, &vesaVersion );␊ |
| 1483 | ␉␊ |
| 1484 | ␉params[0] = minfo.XResolution;␊ |
| 1485 | ␉params[1] = minfo.YResolution;␊ |
| 1486 | ␉params[2] = 32;␊ |
| 1487 | }␊ |
| 1488 | ␊ |
| 1489 | //==========================================================================␊ |
| 1490 | // Return the current video mode, VGA_TEXT_MODE or GRAPHICS_MODE.␊ |
| 1491 | ␊ |
| 1492 | int getVideoMode(void)␊ |
| 1493 | {␊ |
| 1494 | ␉if ((gMacOSVersion[0] == '1') && (gMacOSVersion[1] == '0') && (gMacOSVersion[2] == '.') && (gMacOSVersion[3] >= '7'))␊ |
| 1495 | return bootArgs->Video.v_display;␊ |
| 1496 | ␉␊ |
| 1497 | return bootArgsSnow->Video.v_display;␊ |
| 1498 | }␊ |
| 1499 | ␊ |
| 1500 | //==========================================================================␊ |
| 1501 | // Display and clear the activity indicator.␊ |
| 1502 | ␊ |
| 1503 | static char indicator[] = {'-', '\\', '|', '/', '-', '\\', '|', '/', '\0'};␊ |
| 1504 | ␊ |
| 1505 | // To prevent a ridiculously fast-spinning indicator,␊ |
| 1506 | // ensure a minimum of 1/9 sec between animation frames.␊ |
| 1507 | #define MIN_TICKS 2␊ |
| 1508 | ␊ |
| 1509 | void␊ |
| 1510 | spinActivityIndicator(int sectors)␊ |
| 1511 | {␊ |
| 1512 | static unsigned long lastTickTime = 0, currentTickTime;␊ |
| 1513 | ␊ |
| 1514 | ␉if (previewTotalSectors && previewSaveunder)␊ |
| 1515 | ␉{␊ |
| 1516 | ␉␉int blob, lastBlob;␊ |
| 1517 | ␉␉␊ |
| 1518 | ␉␉lastBlob = (previewLoadedSectors * kIOHibernateProgressCount) / previewTotalSectors;␊ |
| 1519 | ␉␉previewLoadedSectors+=sectors;␊ |
| 1520 | ␉␉blob = (previewLoadedSectors * kIOHibernateProgressCount) / previewTotalSectors;␊ |
| 1521 | ␉␉␊ |
| 1522 | ␉␉if (blob!=lastBlob)␊ |
| 1523 | ␉␉␉updateProgressBar (previewSaveunder, lastBlob, blob);␊ |
| 1524 | ␉␉return;␊ |
| 1525 | ␉}␊ |
| 1526 | ␉␊ |
| 1527 | ␉currentTickTime = time18(); // late binding␊ |
| 1528 | ␉if (currentTickTime < lastTickTime + MIN_TICKS)␊ |
| 1529 | ␉{␊ |
| 1530 | ␉␉return;␊ |
| 1531 | ␉}␊ |
| 1532 | ␉else␊ |
| 1533 | ␉{␊ |
| 1534 | ␉␉lastTickTime = currentTickTime;␊ |
| 1535 | ␉}␊ |
| 1536 | ␉␊ |
| 1537 | ␉if (getVideoMode() == VGA_TEXT_MODE)␊ |
| 1538 | ␉{␊ |
| 1539 | ␉␉if (currentIndicator >= sizeof(indicator))␊ |
| 1540 | ␉␉{␊ |
| 1541 | ␉␉␉currentIndicator = 0;␊ |
| 1542 | ␉␉}␊ |
| 1543 | ␉␉putc(indicator[currentIndicator++]);␊ |
| 1544 | ␉␉putc('\b');␊ |
| 1545 | ␉}␊ |
| 1546 | }␊ |
| 1547 | ␊ |
| 1548 | void␊ |
| 1549 | clearActivityIndicator( void )␊ |
| 1550 | {␊ |
| 1551 | if ( getVideoMode() == VGA_TEXT_MODE )␊ |
| 1552 | {␊ |
| 1553 | ␉␉putc(' ');␊ |
| 1554 | ␉␉putc('\b');␊ |
| 1555 | }␊ |
| 1556 | }␊ |
| 1557 | ␊ |
| 1558 | |
