Platform-specific readback test
| 276 | |
| 277 | // Platform-specific readback test |
| 278 | void nativeRead(bool useShm) |
| 279 | { |
| 280 | fbx_struct fb; int i, error = 0; double readTime; |
| 281 | Timer timer, timer2; |
| 282 | |
| 283 | memset(&fb, 0, sizeof(fb)); |
| 284 | |
| 285 | try |
| 286 | { |
| 287 | TRY_FBX(fbx_init(&fb, wh, 0, 0, useShm ? 1 : 0)); |
| 288 | if(useShm && !fb.shm) THROW("MIT-SHM not available"); |
| 289 | if(fb.width != drawableWidth || fb.height != drawableHeight) |
| 290 | { |
| 291 | fprintf(stderr, "WARNING: Requested size = %d x %d Actual size = %d x %d\n", |
| 292 | drawableWidth, drawableHeight, fb.width, fb.height); |
| 293 | } |
| 294 | |
| 295 | if(useShm) |
| 296 | fprintf(stderr, "FBX read [SHM]: "); |
| 297 | else |
| 298 | fprintf(stderr, "FBX read: "); |
| 299 | memset(fb.bits, 0, fb.width * fb.height * fb.pf->size); |
| 300 | i = 0; readTime = 0.; timer2.start(); |
| 301 | do |
| 302 | { |
| 303 | timer.start(); |
| 304 | TRY_FBX(fbx_read(&fb, 0, 0)); |
| 305 | readTime += timer.elapsed(); |
| 306 | if(!cmpBuf(0, 0, fb.width, fb.pitch, fb.height, fb.pf, |
| 307 | (unsigned char *)fb.bits, pixelOffset)) |
| 308 | error = 1; |
| 309 | i++; |
| 310 | } while(timer2.elapsed() < benchTime); |
| 311 | fprintf(stderr, "%f Mpixels/sec", |
| 312 | (double)i * (double)(fb.width * fb.height) / (1000000. * readTime)); |
| 313 | if(error) |
| 314 | { |
| 315 | fprintf(stderr, " (ERROR CHECK FAILED)\n"); |
| 316 | retCode = -1; |
| 317 | } |
| 318 | else fprintf(stderr, " (no errors)\n"); |
| 319 | |
| 320 | } |
| 321 | catch(std::exception &e) |
| 322 | { |
| 323 | fprintf(stderr, "%s\n", e.what()); retCode = -1; |
| 324 | } |
| 325 | |
| 326 | fbx_term(&fb); |
| 327 | } |
| 328 | |
| 329 | |
| 330 | // This serves as a unit test for the FBX library |