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comparison TaskManager/Test/test_render/SceneGraph.cpp @ 174:559b48b69b76

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getScale()、getTapestry から、span->length に適切なテクスチャの選択に成功
author gongo@localhost.localdomain
date Fri, 12 Dec 2008 12:23:20 +0900
parents 56be4a6e5513
children 5d1b82945b0d
comparison
equal deleted inserted replaced
173:56be4a6e5513 174:559b48b69b76
322 SDL_FreeSurface(texture_image); 322 SDL_FreeSurface(texture_image);
323 texture_image = converted; 323 texture_image = converted;
324 } 324 }
325 325
326 uint32 *tex_dest; 326 uint32 *tex_dest;
327 int scale = 1;
327 328
328 { 329 {
329 int t = 0; 330 int t = 0;
330 int tex_w = texture_image->w; 331 int tex_w = texture_image->w;
331 int tex_h = texture_image->h; 332 int tex_h = texture_image->h;
332 Uint32 *tex_src = (Uint32*)texture_image->pixels; 333 Uint32 *tex_src = (Uint32*)texture_image->pixels;
333 int scale = 1;
334 int scale_cnt; 334 int scale_cnt;
335 int cur_w = tex_w; 335 int cur_w = tex_w;
336 int cur_h = tex_h; 336 int cur_h = tex_h;
337 int all_pixel_num = 0; 337 int all_pixel_num = 0;
338 338
347 * (128, 64) => 64,32 : 32,16: 16,8 347 * (128, 64) => 64,32 : 32,16: 16,8
348 * scale = 8 348 * scale = 8
349 */ 349 */
350 while (cur_w % TEXTURE_SPLIT_PIXEL == 0 && 350 while (cur_w % TEXTURE_SPLIT_PIXEL == 0 &&
351 cur_h % TEXTURE_SPLIT_PIXEL == 0) { 351 cur_h % TEXTURE_SPLIT_PIXEL == 0) {
352 printf("(%3d, %3d) = %4d\n", cur_w, cur_h, cur_w*cur_h);
353 all_pixel_num += cur_w*cur_h; 352 all_pixel_num += cur_w*cur_h;
354 cur_w >>= 1; 353 cur_w >>= 1; /* cur_w /= 2 */
355 cur_h >>= 1; 354 cur_h >>= 1;
356 scale <<= 1; 355 scale <<= 1; /* scale *= 2 */
357 } 356 }
358 357
359 scale >>= 1; 358 scale >>= 1;
360 scale_cnt = scale; 359 scale_cnt = scale;
361 tex_dest 360 tex_dest
362 = (uint32*)manager->malloc(sizeof(int)*all_pixel_num); 361 = (uint32*)manager->malloc(sizeof(int)*all_pixel_num);
363
364 printf("scale = %d, all = %d\n", scale, all_pixel_num);
365 362
366 int diff = TEXTURE_SPLIT_PIXEL; 363 int diff = TEXTURE_SPLIT_PIXEL;
367 int p_diff = 1; 364 int p_diff = 1;
368 while (scale_cnt) { 365 while (scale_cnt) {
369 for (int y = 0; y < tex_h; y += diff) { 366 for (int y = 0; y < tex_h; y += diff) {
374 = tex_src[(x+i) + tex_w*(y+j)]; 371 = tex_src[(x+i) + tex_w*(y+j)];
375 } 372 }
376 } 373 }
377 } 374 }
378 } 375 }
379 376
380 diff <<= 1; 377 diff <<= 1;
381 p_diff <<= 1; 378 p_diff <<= 1;
382 scale_cnt >>= 1; 379 scale_cnt >>= 1;
383 } 380 }
384 } 381 }
385 382
386 list[id_count-1].t_w = texture_image->w; 383 list[id_count-1].t_w = texture_image->w;
387 list[id_count-1].t_h = texture_image->h; 384 list[id_count-1].t_h = texture_image->h;
388 list[id_count-1].pixels_orig = (Uint32*)texture_image->pixels; 385 list[id_count-1].pixels_orig = (Uint32*)texture_image->pixels;
389 list[id_count-1].pixels = tex_dest; 386 list[id_count-1].pixels = tex_dest;
387 list[id_count-1].scale_max = scale;
390 388
391 texture_id = id_count-1; 389 texture_id = id_count-1;
392 texture_info.t_w = texture_image->w; 390 texture_info.t_w = texture_image->w;
393 texture_info.t_h = texture_image->h; 391 texture_info.t_h = texture_image->h;
394 texture_info.pixels_orig = (Uint32*)texture_image->pixels; 392 texture_info.pixels_orig = (Uint32*)texture_image->pixels;
395 texture_info.pixels = tex_dest; 393 texture_info.pixels = tex_dest;
396 394 texture_info.scale_max = scale;
397 if(unlink(image_name)) 395
396 if (unlink(image_name))
398 { 397 {
399 cout << "unlink error\n"; 398 cout << "unlink error\n";
400 } 399 }
401 400
402 } else { 401 } else {
409 // 微妙に思う、自分で書き換えた感想 by gongo 408 // 微妙に思う、自分で書き換えた感想 by gongo
410 texture_info.t_w = list[tex_id].t_w; 409 texture_info.t_w = list[tex_id].t_w;
411 texture_info.t_h = list[tex_id].t_h;; 410 texture_info.t_h = list[tex_id].t_h;;
412 texture_info.pixels_orig = list[tex_id].pixels_orig; 411 texture_info.pixels_orig = list[tex_id].pixels_orig;
413 texture_info.pixels = list[tex_id].pixels; 412 texture_info.pixels = list[tex_id].pixels;
413 texture_info.scale_max = list[tex_id].scale_max;
414 } 414 }
415 } 415 }
416 } 416 }
417 } 417 }
418 418