70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
#include <string.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "new.h"
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#include "collada/scene/reload.h"
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namespace collada::scene {
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void reload::load_images(types::descriptor const * const descriptor)
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{
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imageStats = NewM<reload_stat>(descriptor->images_count);
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for (int i = 0; i < descriptor->images_count; i++) {
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char const * filename = descriptor->images[i]->uri;
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size_t length = strlen(filename);
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imageStats[i].filenameTGA = strndup(filename, length);
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imageStats[i].filenameTGA[length - 3] = 't';
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imageStats[i].filenameTGA[length - 2] = 'g';
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imageStats[i].filenameTGA[length - 1] = 'a';
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imageStats[i].mtime.tv_sec = 0;
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imageStats[i].mtime.tv_nsec = 0;
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}
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}
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void reload::stat_images(collada::types::descriptor const * const descriptor,
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collada::scene::vulkan & vulkan)
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{
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bool reload = false;
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for (int i = 0; i < descriptor->images_count; i++) {
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off_t size = 0;
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while (true) {
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struct stat statbuf;
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int ret = stat(imageStats[i].filenameTGA, &statbuf);
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if (ret != 0)
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break;
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if (statbuf.st_mtim.tv_sec != imageStats[i].mtime.tv_sec || statbuf.st_mtim.tv_nsec != imageStats[i].mtime.tv_nsec) {
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if (statbuf.st_size != size) {
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size = statbuf.st_size;
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usleep(500);
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continue;
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}
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fprintf(stderr, "reload %s\n", imageStats[i].filenameTGA);
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reload = true;
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vulkan.destroy_image(i);
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vulkan.load_image(i, imageStats[i].filenameTGA);
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imageStats[i].mtime.tv_sec = statbuf.st_mtim.tv_sec;
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imageStats[i].mtime.tv_nsec = statbuf.st_mtim.tv_nsec;
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}
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break;
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}
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}
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if (reload) {
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vulkan.write_descriptor_sets(descriptor);
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}
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}
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void reload::destroy_images(types::descriptor const * const descriptor)
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{
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for (int i = 0; i < descriptor->images_count; i++) {
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free(imageStats[i].filenameTGA);
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}
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free(imageStats);
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}
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}
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