Mercurial > hg > Members > kono > Cerium

comparison TaskManager/Test/test_render/SceneGraph.cpp @ 171:dc68bc5c9e41

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Scale-SceneGraph.cpp
author tkaito@nw0534.st.ie.u-ryukyu.ac.jp
date Thu, 11 Dec 2008 16:33:39 +0900
parents 1f4c3f3238e6
children 56be4a6e5513
comparison
equal deleted inserted replaced
170:d1f2ce3bdb2f 171:dc68bc5c9e41
321 if (converted != NULL) { 321 if (converted != NULL) {
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 = (uint32*)manager->malloc(texture_image->w*texture_image->h*4); 326 int image_tmp = texture_image->w*texture_image->h*4;
327 int tile_size = image_tmp + image_tmp/2 + image_tmp/4 + image_tmp/8 + image_tmp/16;
328 //uint32 *tex_dest = (uint32*)manager->malloc(texture_image->w*texture_image->h*4);
329 uint32 *tex_dest = (uint32*)manager->malloc(tile_size);
330
327 331
328 { 332 {
329 int t = 0; 333 int t = 0;
330 int tex_width = texture_image->w; 334 int tex_width = texture_image->w;
331 int tex_height = texture_image->h; 335 int tex_height = texture_image->h;
338 tex_dest[t++] = tex_src[(x+i) + tex_width*(y+j)]; 342 tex_dest[t++] = tex_src[(x+i) + tex_width*(y+j)];
339 } 343 }
340 } 344 }
341 } 345 }
342 } 346 }
347
348 // 1 / 2
349 for (int y = 0; y < tex_height; y += TEXTURE_SPLIT_PIXEL*2) {
350 for (int x = 0; x < tex_width; x += TEXTURE_SPLIT_PIXEL*2) {
351 for (int j = 0; j < TEXTURE_SPLIT_PIXEL*2; j+=2) {
352 for (int i = 0; i < TEXTURE_SPLIT_PIXEL*2; i+=2) {
353 tex_dest[t++] = tex_src[(x+i) + tex_width*(y+j)];
354 }
355 }
356 }
357 }
358
359 // 1 / 4
360 for (int y = 0; y < tex_height; y += TEXTURE_SPLIT_PIXEL*4) {
361 for (int x = 0; x < tex_width; x += TEXTURE_SPLIT_PIXEL*4) {
362 for (int j = 0; j < TEXTURE_SPLIT_PIXEL*4; j+=4) {
363 for (int i = 0; i < TEXTURE_SPLIT_PIXEL*4; i+=4) {
364 tex_dest[t++] = tex_src[(x+i) + tex_width*(y+j)];
365 }
366 }
367 }
368 }
369
370 // 1 / 8
371 for (int y = 0; y < tex_height; y += TEXTURE_SPLIT_PIXEL*8) {
372 for (int x = 0; x < tex_width; x += TEXTURE_SPLIT_PIXEL*8) {
373 for (int j = 0; j < TEXTURE_SPLIT_PIXEL*8; j+=8) {
374 for (int i = 0; i < TEXTURE_SPLIT_PIXEL*8; i+=8) {
375 tex_dest[t++] = tex_src[(x+i) + tex_width*(y+j)];
376 }
377 }
378 }
379 }
380
381 // 1 / 16
382 for (int y = 0; y < tex_height; y += TEXTURE_SPLIT_PIXEL*16) {
383 for (int x = 0; x < tex_width; x += TEXTURE_SPLIT_PIXEL*16) {
384 for (int j = 0; j < TEXTURE_SPLIT_PIXEL*16; j+=16) {
385 for (int i = 0; i < TEXTURE_SPLIT_PIXEL*16; i+=16) {
386 tex_dest[t++] = tex_src[(x+i) + tex_width*(y+j)];
387 }
388 }
389 }
390 }
391
343 } 392 }
344 393
345 list[id_count-1].t_w = texture_image->w; 394 list[id_count-1].t_w = texture_image->w/2;
346 list[id_count-1].t_h = texture_image->h; 395 list[id_count-1].t_h = texture_image->h/2;
347 list[id_count-1].pixels_orig = (Uint32*)texture_image->pixels; 396 list[id_count-1].pixels_orig = (Uint32*)texture_image->pixels;
348 list[id_count-1].pixels = tex_dest; 397 list[id_count-1].pixels = tex_dest + image_tmp/4;
349 398
350 texture_id = id_count-1; 399 texture_id = id_count-1;
351 texture_info.t_w = texture_image->w; 400 texture_info.t_w = texture_image->w/2;
352 texture_info.t_h = texture_image->h; 401 texture_info.t_h = texture_image->h/2;
353 texture_info.pixels_orig = (Uint32*)texture_image->pixels; 402 texture_info.pixels_orig = (Uint32*)texture_image->pixels;
354 texture_info.pixels = tex_dest; 403 texture_info.pixels = tex_dest + image_tmp/4;
355 404
356 printf("[%s] %p\n", filename, tex_dest); 405 printf("[%s] %p\n", filename, tex_dest);
357 406
358 if(unlink(image_name)) 407 if(unlink(image_name))
359 { 408 {