Updated cgltf.
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3rdparty/cgltf/cgltf.h
vendored
73
3rdparty/cgltf/cgltf.h
vendored
@ -1,7 +1,7 @@
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/**
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* cgltf - a single-file glTF 2.0 parser written in C99.
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*
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* Version: 1.5
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* Version: 1.6
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*
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* Website: https://github.com/jkuhlmann/cgltf
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*
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@ -619,9 +619,10 @@ cgltf_result cgltf_load_buffers(
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cgltf_data* data,
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const char* gltf_path);
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cgltf_result cgltf_load_buffer_base64(const cgltf_options* options, cgltf_size size, const char* base64, void** out_data);
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void cgltf_decode_uri(char* uri);
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cgltf_result cgltf_validate(cgltf_data* data);
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void cgltf_free(cgltf_data* data);
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@ -1014,6 +1015,7 @@ static void cgltf_combine_paths(char* path, const char* base, const char* uri)
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static cgltf_result cgltf_load_buffer_file(const cgltf_options* options, cgltf_size size, const char* uri, const char* gltf_path, void** out_data)
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{
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void* (*memory_alloc)(void*, cgltf_size) = options->memory.alloc ? options->memory.alloc : &cgltf_default_alloc;
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void (*memory_free)(void*, void*) = options->memory.free ? options->memory.free : &cgltf_default_free;
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cgltf_result (*file_read)(const struct cgltf_memory_options*, const struct cgltf_file_options*, const char*, cgltf_size*, void**) = options->file.read ? options->file.read : &cgltf_default_file_read;
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char* path = (char*)memory_alloc(options->memory.user_data, strlen(uri) + strlen(gltf_path) + 1);
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@ -1024,18 +1026,19 @@ static cgltf_result cgltf_load_buffer_file(const cgltf_options* options, cgltf_s
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cgltf_combine_paths(path, gltf_path, uri);
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// after combining, the tail of the resulting path is a uri; decode_uri converts it into path
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cgltf_decode_uri(path + strlen(path) - strlen(uri));
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void* file_data = NULL;
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cgltf_result result = file_read(&options->memory, &options->file, path, &size, &file_data);
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if (result != cgltf_result_success)
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{
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memory_free(options->memory.user_data, path);
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*out_data = (result == cgltf_result_success) ? file_data : NULL;
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return result;
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}
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*out_data = file_data;
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return cgltf_result_success;
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}
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cgltf_result cgltf_load_buffer_base64(const cgltf_options* options, cgltf_size size, const char* base64, void** out_data)
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{
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void* (*memory_alloc)(void*, cgltf_size) = options->memory.alloc ? options->memory.alloc : &cgltf_default_alloc;
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@ -1083,6 +1086,45 @@ cgltf_result cgltf_load_buffer_base64(const cgltf_options* options, cgltf_size s
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return cgltf_result_success;
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}
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static int cgltf_unhex(char ch)
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{
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return
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(unsigned)(ch - '0') < 10 ? (ch - '0') :
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(unsigned)(ch - 'A') < 6 ? (ch - 'A') + 10 :
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(unsigned)(ch - 'a') < 6 ? (ch - 'a') + 10 :
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-1;
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}
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void cgltf_decode_uri(char* uri)
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{
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char* write = uri;
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char* i = uri;
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while (*i)
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{
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if (*i == '%')
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{
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int ch1 = cgltf_unhex(i[1]);
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if (ch1 >= 0)
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{
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int ch2 = cgltf_unhex(i[2]);
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if (ch2 >= 0)
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{
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*write++ = (char)(ch1 * 16 + ch2);
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i += 3;
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continue;
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}
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}
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}
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*write++ = *i++;
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}
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*write = 0;
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}
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cgltf_result cgltf_load_buffers(const cgltf_options* options, cgltf_data* data, const char* gltf_path)
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{
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if (options == NULL)
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@ -1477,6 +1519,16 @@ void cgltf_free(cgltf_data* data)
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}
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data->memory.free(data->memory.user_data, data->meshes[i].primitives[j].targets);
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if (data->meshes[i].primitives[j].has_draco_mesh_compression)
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{
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for (cgltf_size k = 0; k < data->meshes[i].primitives[j].draco_mesh_compression.attributes_count; ++k)
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{
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data->memory.free(data->memory.user_data, data->meshes[i].primitives[j].draco_mesh_compression.attributes[k].name);
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}
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data->memory.free(data->memory.user_data, data->meshes[i].primitives[j].draco_mesh_compression.attributes);
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}
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}
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data->memory.free(data->memory.user_data, data->meshes[i].primitives);
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@ -4710,7 +4762,8 @@ static int cgltf_fixup_pointers(cgltf_data* data)
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}
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}
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if (data->meshes[i].primitives[j].has_draco_mesh_compression) {
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if (data->meshes[i].primitives[j].has_draco_mesh_compression)
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{
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CGLTF_PTRFIXUP_REQ(data->meshes[i].primitives[j].draco_mesh_compression.buffer_view, data->buffer_views, data->buffer_views_count);
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for (cgltf_size m = 0; m < data->meshes[i].primitives[j].draco_mesh_compression.attributes_count; ++m)
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{
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2
3rdparty/cgltf/cgltf_write.h
vendored
2
3rdparty/cgltf/cgltf_write.h
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@ -1,7 +1,7 @@
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/**
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* cgltf_write - a single-file glTF 2.0 writer written in C99.
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*
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* Version: 1.5
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* Version: 1.6
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*
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* Website: https://github.com/jkuhlmann/cgltf
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*
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