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fix multiple texture wrong id problem

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This commit is contained in:
ogrex
2017-12-20 22:17:19 +09:00
parent b38e97b7ec
commit cb085d1fb6
1 changed files with 14 additions and 2 deletions
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16
experimental/tinyobj_loader_opt.h
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@@ -1518,13 +1518,13 @@ bool parseObj(attrib_t *attrib, std::vector<shape_t> *shapes,
StackVector<std::thread, 16> workers; StackVector<std::thread, 16> workers;
for (size_t t = 0; t < num_threads; t++) { for (size_t t = 0; t < num_threads; t++) {
int material_id = -1; // -1 = default unknown material.
workers->push_back(std::thread([&, t]() { workers->push_back(std::thread([&, t]() {
size_t v_count = v_offsets[t]; size_t v_count = v_offsets[t];
size_t n_count = n_offsets[t]; size_t n_count = n_offsets[t];
size_t t_count = t_offsets[t]; size_t t_count = t_offsets[t];
size_t f_count = f_offsets[t]; size_t f_count = f_offsets[t];
size_t face_count = face_offsets[t]; size_t face_count = face_offsets[t];
int material_id = -1; // -1 = default unknown material.
for (size_t i = 0; i < commands[t].size(); i++) { for (size_t i = 0; i < commands[t].size(); i++) {
if (commands[t][i].type == COMMAND_EMPTY) { if (commands[t][i].type == COMMAND_EMPTY) {
@@ -1581,7 +1581,19 @@ bool parseObj(attrib_t *attrib, std::vector<shape_t> *shapes,
for (size_t t = 0; t < workers->size(); t++) { for (size_t t = 0; t < workers->size(); t++) {
workers[t].join(); workers[t].join();
} }
if(material_map.size()>1&& num_threads>1) {
for (size_t t = 0; t < num_threads; t++) {
size_t face_count = face_offsets[t];
if (-1 == attrib->material_ids[face_count]) {
int prev_material_id = attrib->material_ids[face_count - 1];
size_t max_face_offset = (t == num_threads - 1) ? attrib->material_ids.size() : face_offsets[t + 1];
for (int i = face_count; i<max_face_offset; ++i) {
if (attrib->material_ids[i] != -1) break;
attrib->material_ids[i] = prev_material_id;
}
}
}
}
auto t_end = std::chrono::high_resolution_clock::now(); auto t_end = std::chrono::high_resolution_clock::now();
ms_merge = t_end - t_start; ms_merge = t_end - t_start;
} }