filename | src/util.c |
changeset | 1042:0fd066956482 |
prev | 768:b2a54f6864eb |
next | 1065:bc1cc0c54917 |
author | nkeynes |
date | Sun Jun 28 10:39:51 2009 +0000 (14 years ago) |
permissions | -rw-r--r-- |
last change | Remove -Wl,-z,defs from dpkg build Add explicit library deps (so that optional libs are Recommended/Suggested) Tweak copyright file |
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nkeynes@31 | 1 | /** |
nkeynes@586 | 2 | * $Id$ |
nkeynes@31 | 3 | * |
nkeynes@31 | 4 | * Miscellaneous utility functions. |
nkeynes@31 | 5 | * |
nkeynes@31 | 6 | * Copyright (c) 2005 Nathan Keynes. |
nkeynes@31 | 7 | * |
nkeynes@31 | 8 | * This program is free software; you can redistribute it and/or modify |
nkeynes@31 | 9 | * it under the terms of the GNU General Public License as published by |
nkeynes@31 | 10 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@31 | 11 | * (at your option) any later version. |
nkeynes@31 | 12 | * |
nkeynes@31 | 13 | * This program is distributed in the hope that it will be useful, |
nkeynes@31 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@31 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@31 | 16 | * GNU General Public License for more details. |
nkeynes@31 | 17 | */ |
nkeynes@31 | 18 | |
nkeynes@495 | 19 | #define HAVE_EXECINFO_H 1 |
nkeynes@495 | 20 | |
nkeynes@477 | 21 | #include <assert.h> |
nkeynes@425 | 22 | #include <ctype.h> |
nkeynes@437 | 23 | #include <stdarg.h> |
nkeynes@437 | 24 | #include <stdio.h> |
nkeynes@437 | 25 | #include <stdlib.h> |
nkeynes@495 | 26 | #include <signal.h> |
nkeynes@437 | 27 | #include <time.h> |
nkeynes@477 | 28 | #include <zlib.h> |
nkeynes@477 | 29 | #include <glib.h> |
nkeynes@477 | 30 | #include <png.h> |
nkeynes@17 | 31 | #include "dream.h" |
nkeynes@477 | 32 | #include "display.h" |
nkeynes@768 | 33 | #include "dreamcast.h" |
nkeynes@481 | 34 | #include "gui.h" |
nkeynes@586 | 35 | #include "sh4/sh4.h" |
nkeynes@437 | 36 | |
nkeynes@437 | 37 | char *msg_levels[] = { "FATAL", "ERROR", "WARN", "INFO", "DEBUG", "TRACE" }; |
nkeynes@502 | 38 | int global_msg_level = EMIT_WARN; |
nkeynes@495 | 39 | |
nkeynes@495 | 40 | static void report_crash( int signo, siginfo_t *info, void *ptr ) |
nkeynes@495 | 41 | { |
nkeynes@495 | 42 | char buf[128]; |
nkeynes@495 | 43 | |
nkeynes@495 | 44 | fprintf( stderr, "--- Aborting with signal %d ---\n", signo ); |
nkeynes@495 | 45 | // Get gdb to print a nice backtrace for us |
nkeynes@495 | 46 | snprintf( buf, 128, "gdb -batch -f --quiet --pid=%d -ex bt", getpid() ); |
nkeynes@495 | 47 | system(buf); |
nkeynes@495 | 48 | |
nkeynes@495 | 49 | abort(); |
nkeynes@495 | 50 | } |
nkeynes@495 | 51 | |
nkeynes@495 | 52 | void install_crash_handler(void) |
nkeynes@495 | 53 | { |
nkeynes@495 | 54 | struct sigaction sa; |
nkeynes@495 | 55 | |
nkeynes@495 | 56 | sa.sa_sigaction = report_crash; |
nkeynes@495 | 57 | sigemptyset(&sa.sa_mask); |
nkeynes@495 | 58 | sa.sa_flags = SA_RESETHAND|SA_SIGINFO; |
nkeynes@495 | 59 | sigaction( SIGSEGV, &sa, NULL ); |
nkeynes@495 | 60 | } |
nkeynes@495 | 61 | |
nkeynes@17 | 62 | |
nkeynes@422 | 63 | void fwrite_string( const char *s, FILE *f ) |
nkeynes@17 | 64 | { |
nkeynes@17 | 65 | uint32_t len = 0; |
nkeynes@17 | 66 | if( s == NULL ) { |
nkeynes@736 | 67 | fwrite( &len, sizeof(len), 1, f ); |
nkeynes@17 | 68 | } else { |
nkeynes@736 | 69 | len = strlen(s)+1; |
nkeynes@736 | 70 | fwrite( &len, sizeof(len), 1, f ); |
nkeynes@736 | 71 | fwrite( s, len, 1, f ); |
nkeynes@17 | 72 | } |
nkeynes@17 | 73 | } |
nkeynes@17 | 74 | |
nkeynes@17 | 75 | int fread_string( char *s, int maxlen, FILE *f ) |
nkeynes@17 | 76 | { |
nkeynes@17 | 77 | uint32_t len; |
nkeynes@17 | 78 | fread( &len, sizeof(len), 1, f ); |
nkeynes@17 | 79 | if( len != 0 ) { |
nkeynes@736 | 80 | fread( s, len > maxlen ? maxlen : len, 1, f ); |
nkeynes@17 | 81 | } |
nkeynes@17 | 82 | return len; |
nkeynes@17 | 83 | } |
nkeynes@117 | 84 | |
nkeynes@1042 | 85 | int fwrite_gzip( void *p, size_t sz, size_t count, FILE *f ) |
nkeynes@477 | 86 | { |
nkeynes@477 | 87 | uLongf size = sz*count; |
nkeynes@477 | 88 | uLongf csize = ((int)(size*1.001))+13; |
nkeynes@477 | 89 | unsigned char *tmp = g_malloc0( csize ); |
nkeynes@477 | 90 | int status = compress( tmp, &csize, p, size ); |
nkeynes@477 | 91 | assert( status == Z_OK ); |
nkeynes@674 | 92 | uint32_t wsize = (uint32_t)csize; |
nkeynes@674 | 93 | fwrite( &wsize, sizeof(wsize), 1, f ); |
nkeynes@1042 | 94 | int written = fwrite( tmp, csize, 1, f ); |
nkeynes@477 | 95 | g_free(tmp); |
nkeynes@1042 | 96 | |
nkeynes@1042 | 97 | /* Could be finer-grained, but this is enough to know it succeeded/failed */ |
nkeynes@1042 | 98 | if( written == 1 ) { |
nkeynes@1042 | 99 | return count; |
nkeynes@1042 | 100 | } else { |
nkeynes@1042 | 101 | return 0; |
nkeynes@1042 | 102 | } |
nkeynes@477 | 103 | } |
nkeynes@477 | 104 | |
nkeynes@477 | 105 | int fread_gzip( void *p, size_t sz, size_t count, FILE *f ) |
nkeynes@477 | 106 | { |
nkeynes@477 | 107 | uLongf size = sz*count; |
nkeynes@674 | 108 | uint32_t csize; |
nkeynes@477 | 109 | unsigned char *tmp; |
nkeynes@477 | 110 | |
nkeynes@477 | 111 | fread( &csize, sizeof(csize), 1, f ); |
nkeynes@477 | 112 | assert( csize <= (size*2) ); |
nkeynes@477 | 113 | tmp = g_malloc0( csize ); |
nkeynes@477 | 114 | fread( tmp, csize, 1, f ); |
nkeynes@477 | 115 | int status = uncompress( p, &size, tmp, csize ); |
nkeynes@477 | 116 | g_free(tmp); |
nkeynes@477 | 117 | if( status == Z_OK ) { |
nkeynes@736 | 118 | return count; |
nkeynes@477 | 119 | } else { |
nkeynes@736 | 120 | fprintf( stderr, "Error reading compressed data\n" ); |
nkeynes@736 | 121 | return 0; |
nkeynes@477 | 122 | } |
nkeynes@477 | 123 | } |
nkeynes@477 | 124 | |
nkeynes@117 | 125 | void fwrite_dump( unsigned char *data, unsigned int length, FILE *f ) |
nkeynes@117 | 126 | { |
nkeynes@117 | 127 | unsigned int i, j; |
nkeynes@117 | 128 | for( i =0; i<length; i+=16 ) { |
nkeynes@736 | 129 | fprintf( f, "%08X:", i); |
nkeynes@736 | 130 | for( j=i; j<i+16; j++ ) { |
nkeynes@736 | 131 | if( (j % 4) == 0 ) |
nkeynes@736 | 132 | fprintf( f, " " ); |
nkeynes@736 | 133 | if( j < length ) |
nkeynes@736 | 134 | fprintf( f, " %02X", (unsigned int)(data[j]) ); |
nkeynes@736 | 135 | else |
nkeynes@736 | 136 | fprintf( f, " " ); |
nkeynes@736 | 137 | } |
nkeynes@736 | 138 | fprintf( f, " " ); |
nkeynes@736 | 139 | for( j=i; j<i+16 && j<length; j++ ) { |
nkeynes@736 | 140 | fprintf( f, "%c", isprint(data[j]) ? data[j] : '.' ); |
nkeynes@736 | 141 | } |
nkeynes@736 | 142 | fprintf( f, "\n" ); |
nkeynes@117 | 143 | } |
nkeynes@117 | 144 | } |
nkeynes@187 | 145 | |
nkeynes@187 | 146 | void fwrite_dump32( unsigned int *data, unsigned int length, FILE *f ) |
nkeynes@187 | 147 | { |
nkeynes@220 | 148 | fwrite_dump32v( data, length, 8, f ); |
nkeynes@220 | 149 | } |
nkeynes@220 | 150 | |
nkeynes@220 | 151 | void fwrite_dump32v( unsigned int *data, unsigned int length, int wordsPerLine, FILE *f ) |
nkeynes@220 | 152 | { |
nkeynes@187 | 153 | unsigned int i, j; |
nkeynes@220 | 154 | for( i =0; i<length>>2; i+=wordsPerLine ) { |
nkeynes@736 | 155 | fprintf( f, "%08X:", i); |
nkeynes@736 | 156 | for( j=i; j<i+wordsPerLine; j++ ) { |
nkeynes@736 | 157 | if( j < length ) |
nkeynes@736 | 158 | fprintf( f, " %08X", (unsigned int)(data[j]) ); |
nkeynes@736 | 159 | else |
nkeynes@736 | 160 | fprintf( f, " " ); |
nkeynes@736 | 161 | } |
nkeynes@736 | 162 | fprintf( f, "\n" ); |
nkeynes@187 | 163 | } |
nkeynes@187 | 164 | } |
nkeynes@437 | 165 | |
nkeynes@477 | 166 | gboolean write_png_to_stream( FILE *f, frame_buffer_t buffer ) |
nkeynes@477 | 167 | { |
nkeynes@477 | 168 | int coltype, i; |
nkeynes@477 | 169 | png_bytep p; |
nkeynes@477 | 170 | png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); |
nkeynes@477 | 171 | if (!png_ptr) { |
nkeynes@736 | 172 | return FALSE; |
nkeynes@477 | 173 | } |
nkeynes@477 | 174 | |
nkeynes@477 | 175 | png_infop info_ptr = png_create_info_struct(png_ptr); |
nkeynes@477 | 176 | if (!info_ptr) { |
nkeynes@736 | 177 | png_destroy_write_struct(&png_ptr, NULL); |
nkeynes@736 | 178 | return FALSE; |
nkeynes@477 | 179 | } |
nkeynes@736 | 180 | |
nkeynes@477 | 181 | if( setjmp(png_jmpbuf(png_ptr)) ) { |
nkeynes@736 | 182 | png_destroy_write_struct(&png_ptr, &info_ptr); |
nkeynes@736 | 183 | return FALSE; |
nkeynes@477 | 184 | } |
nkeynes@477 | 185 | png_init_io( png_ptr, f ); |
nkeynes@477 | 186 | switch( buffer->colour_format ) { |
nkeynes@477 | 187 | case COLFMT_BGR888: |
nkeynes@736 | 188 | coltype = PNG_COLOR_TYPE_RGB; |
nkeynes@736 | 189 | break; |
nkeynes@477 | 190 | case COLFMT_BGRA8888: |
nkeynes@736 | 191 | coltype = PNG_COLOR_TYPE_RGB_ALPHA; |
nkeynes@736 | 192 | break; |
nkeynes@477 | 193 | case COLFMT_BGR0888: |
nkeynes@736 | 194 | coltype = PNG_COLOR_TYPE_RGB; |
nkeynes@736 | 195 | break; |
nkeynes@477 | 196 | default: |
nkeynes@736 | 197 | coltype = PNG_COLOR_TYPE_RGB; |
nkeynes@477 | 198 | } |
nkeynes@477 | 199 | png_set_IHDR(png_ptr, info_ptr, buffer->width, buffer->height, |
nkeynes@736 | 200 | 8, coltype, PNG_INTERLACE_NONE, |
nkeynes@736 | 201 | PNG_COMPRESSION_TYPE_DEFAULT, |
nkeynes@736 | 202 | PNG_FILTER_TYPE_DEFAULT ); |
nkeynes@477 | 203 | png_write_info(png_ptr, info_ptr); |
nkeynes@477 | 204 | if( buffer->colour_format == COLFMT_BGR0888 ) { |
nkeynes@736 | 205 | png_set_filler(png_ptr, 0, PNG_FILLER_AFTER); |
nkeynes@477 | 206 | } |
nkeynes@477 | 207 | png_set_bgr(png_ptr); |
nkeynes@477 | 208 | if( buffer->inverted ) { |
nkeynes@736 | 209 | p = (png_bytep)(buffer->data + (buffer->height*buffer->rowstride) - buffer->rowstride); |
nkeynes@736 | 210 | for(i=0; i<buffer->height; i++ ) { |
nkeynes@736 | 211 | png_write_row(png_ptr, p); |
nkeynes@736 | 212 | p-=buffer->rowstride; |
nkeynes@736 | 213 | } |
nkeynes@477 | 214 | } else { |
nkeynes@736 | 215 | p = (png_bytep)buffer->data; |
nkeynes@736 | 216 | for(i=0; i<buffer->height; i++ ) { |
nkeynes@736 | 217 | png_write_row(png_ptr, p); |
nkeynes@736 | 218 | p+=buffer->rowstride; |
nkeynes@736 | 219 | } |
nkeynes@477 | 220 | } |
nkeynes@477 | 221 | png_write_end(png_ptr, info_ptr); |
nkeynes@477 | 222 | png_destroy_write_struct(&png_ptr, &info_ptr); |
nkeynes@477 | 223 | return TRUE; |
nkeynes@477 | 224 | } |
nkeynes@477 | 225 | |
nkeynes@477 | 226 | frame_buffer_t read_png_from_stream( FILE *f ) |
nkeynes@477 | 227 | { |
nkeynes@477 | 228 | png_bytep p; |
nkeynes@477 | 229 | int i; |
nkeynes@477 | 230 | png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, |
nkeynes@736 | 231 | NULL, NULL, NULL); |
nkeynes@477 | 232 | if (!png_ptr) { |
nkeynes@736 | 233 | return NULL; |
nkeynes@477 | 234 | } |
nkeynes@477 | 235 | |
nkeynes@477 | 236 | png_infop info_ptr = png_create_info_struct(png_ptr); |
nkeynes@477 | 237 | if (!info_ptr) { |
nkeynes@736 | 238 | png_destroy_read_struct(&png_ptr, NULL, NULL); |
nkeynes@736 | 239 | return NULL; |
nkeynes@477 | 240 | } |
nkeynes@736 | 241 | |
nkeynes@477 | 242 | png_infop end_info = png_create_info_struct(png_ptr); |
nkeynes@477 | 243 | if (!end_info) { |
nkeynes@736 | 244 | png_destroy_read_struct(&png_ptr, &info_ptr, NULL ); |
nkeynes@736 | 245 | return NULL; |
nkeynes@477 | 246 | } |
nkeynes@477 | 247 | |
nkeynes@477 | 248 | if( setjmp(png_jmpbuf(png_ptr)) ) { |
nkeynes@736 | 249 | png_destroy_read_struct(&png_ptr, &info_ptr, &end_info); |
nkeynes@736 | 250 | return NULL; |
nkeynes@477 | 251 | } |
nkeynes@477 | 252 | |
nkeynes@477 | 253 | png_init_io(png_ptr, f); |
nkeynes@477 | 254 | png_read_info(png_ptr, info_ptr); |
nkeynes@736 | 255 | |
nkeynes@477 | 256 | png_uint_32 width, height; |
nkeynes@477 | 257 | int bit_depth, color_type, interlace_type, |
nkeynes@736 | 258 | compression_type, filter_method; |
nkeynes@477 | 259 | png_get_IHDR(png_ptr, info_ptr, &width, &height, |
nkeynes@736 | 260 | &bit_depth, &color_type, &interlace_type, |
nkeynes@736 | 261 | &compression_type, &filter_method); |
nkeynes@477 | 262 | assert( interlace_type == PNG_INTERLACE_NONE ); |
nkeynes@477 | 263 | int rowbytes = png_get_rowbytes(png_ptr, info_ptr); |
nkeynes@477 | 264 | int channels = png_get_channels(png_ptr, info_ptr); |
nkeynes@477 | 265 | frame_buffer_t buffer = g_malloc( sizeof(struct frame_buffer) + rowbytes*height ); |
nkeynes@502 | 266 | buffer->data = (unsigned char *)(buffer+1); |
nkeynes@477 | 267 | buffer->width = width; |
nkeynes@477 | 268 | buffer->height = height; |
nkeynes@477 | 269 | buffer->rowstride = rowbytes; |
nkeynes@477 | 270 | buffer->address = -1; |
nkeynes@477 | 271 | buffer->size = rowbytes*height; |
nkeynes@477 | 272 | buffer->inverted = FALSE; |
nkeynes@477 | 273 | if( channels == 4 ) { |
nkeynes@736 | 274 | buffer->colour_format = COLFMT_BGRA8888; |
nkeynes@477 | 275 | } else if( channels == 3 ) { |
nkeynes@736 | 276 | buffer->colour_format = COLFMT_RGB888; |
nkeynes@477 | 277 | } |
nkeynes@736 | 278 | |
nkeynes@481 | 279 | p = (png_bytep)buffer->data; |
nkeynes@477 | 280 | for( i=0; i<height; i++ ) { |
nkeynes@736 | 281 | png_read_row(png_ptr, p, NULL ); |
nkeynes@736 | 282 | p += rowbytes; |
nkeynes@477 | 283 | } |
nkeynes@477 | 284 | |
nkeynes@477 | 285 | png_read_end(png_ptr, end_info); |
nkeynes@477 | 286 | png_destroy_read_struct(&png_ptr, &info_ptr, &end_info); |
nkeynes@477 | 287 | return buffer; |
nkeynes@477 | 288 | } |
nkeynes@437 | 289 | |
nkeynes@586 | 290 | int get_log_level_from_string( const gchar *str ) |
nkeynes@586 | 291 | { |
nkeynes@586 | 292 | switch( tolower(str[0]) ) { |
nkeynes@586 | 293 | case 'd': return EMIT_DEBUG; |
nkeynes@586 | 294 | case 'e': return EMIT_ERR; |
nkeynes@586 | 295 | case 'f': return EMIT_FATAL; |
nkeynes@586 | 296 | case 'i': return EMIT_INFO; |
nkeynes@586 | 297 | case 't': return EMIT_TRACE; |
nkeynes@586 | 298 | case 'w': return EMIT_WARN; |
nkeynes@586 | 299 | default: return -1; |
nkeynes@586 | 300 | } |
nkeynes@586 | 301 | } |
nkeynes@586 | 302 | |
nkeynes@586 | 303 | gboolean set_global_log_level( const gchar *str ) |
nkeynes@586 | 304 | { |
nkeynes@586 | 305 | int l = get_log_level_from_string(str); |
nkeynes@586 | 306 | if( l == -1 ) { |
nkeynes@736 | 307 | return FALSE; |
nkeynes@586 | 308 | } else { |
nkeynes@736 | 309 | global_msg_level = l; |
nkeynes@736 | 310 | return TRUE; |
nkeynes@586 | 311 | } |
nkeynes@586 | 312 | } |
nkeynes@586 | 313 | |
nkeynes@437 | 314 | void log_message( void *ptr, int level, const gchar *source, const char *msg, ... ) |
nkeynes@437 | 315 | { |
nkeynes@481 | 316 | char buf[20]; |
nkeynes@437 | 317 | time_t tm = time(NULL); |
nkeynes@437 | 318 | va_list ap; |
nkeynes@437 | 319 | |
nkeynes@437 | 320 | if( level > global_msg_level ) { |
nkeynes@736 | 321 | return; // ignored |
nkeynes@437 | 322 | } |
nkeynes@447 | 323 | |
nkeynes@437 | 324 | va_start(ap, msg); |
nkeynes@535 | 325 | gchar *text = g_strdup_vprintf( msg, ap ); |
nkeynes@535 | 326 | va_end(ap); |
nkeynes@736 | 327 | |
nkeynes@447 | 328 | if( level <= EMIT_ERR ) { |
nkeynes@736 | 329 | if( gui_error_dialog( text ) ) { |
nkeynes@736 | 330 | g_free(text); |
nkeynes@768 | 331 | // If we're running, halt on error to avoid potentially flooding |
nkeynes@768 | 332 | // the user with error messages. |
nkeynes@768 | 333 | if( dreamcast_is_running() ) { |
nkeynes@768 | 334 | dreamcast_stop(); |
nkeynes@768 | 335 | } |
nkeynes@736 | 336 | return; |
nkeynes@736 | 337 | } |
nkeynes@447 | 338 | } |
nkeynes@447 | 339 | |
nkeynes@447 | 340 | |
nkeynes@437 | 341 | strftime( buf, sizeof(buf), "%H:%M:%S", localtime(&tm) ); |
nkeynes@535 | 342 | fprintf( stderr, "%s %08X %-5s %s\n", buf, sh4r.pc, msg_levels[level], text ); |
nkeynes@535 | 343 | g_free(text); |
nkeynes@437 | 344 | } |
.