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Updated cgltf.

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This commit is contained in:
Бранимир Караџић 2020-06-09 20:05:04 -07:00
parent ad09986c6c
commit 314c4a1095
2 changed files with 63 additions and 10 deletions
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71
3rdparty/cgltf/cgltf.h vendored
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@ -1,7 +1,7 @@
/**
* cgltf - a single-file glTF 2.0 parser written in C99.
*
* Version: 1.5
* Version: 1.6
*
* Website: https://github.com/jkuhlmann/cgltf
*
@ -619,9 +619,10 @@ cgltf_result cgltf_load_buffers(
cgltf_data* data,
const char* gltf_path);
cgltf_result cgltf_load_buffer_base64(const cgltf_options* options, cgltf_size size, const char* base64, void** out_data);
void cgltf_decode_uri(char* uri);
cgltf_result cgltf_validate(cgltf_data* data);
void cgltf_free(cgltf_data* data);
@ -1014,6 +1015,7 @@ static void cgltf_combine_paths(char* path, const char* base, const char* uri)
static cgltf_result cgltf_load_buffer_file(const cgltf_options* options, cgltf_size size, const char* uri, const char* gltf_path, void** out_data)
{
void* (*memory_alloc)(void*, cgltf_size) = options->memory.alloc ? options->memory.alloc : &cgltf_default_alloc;
void (*memory_free)(void*, void*) = options->memory.free ? options->memory.free : &cgltf_default_free;
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;
char* path = (char*)memory_alloc(options->memory.user_data, strlen(uri) + strlen(gltf_path) + 1);
@ -1024,16 +1026,17 @@ static cgltf_result cgltf_load_buffer_file(const cgltf_options* options, cgltf_s
cgltf_combine_paths(path, gltf_path, uri);
// after combining, the tail of the resulting path is a uri; decode_uri converts it into path
cgltf_decode_uri(path + strlen(path) - strlen(uri));
void* file_data = NULL;
cgltf_result result = file_read(&options->memory, &options->file, path, &size, &file_data);
if (result != cgltf_result_success)
{
return result;
}
*out_data = file_data;
memory_free(options->memory.user_data, path);
return cgltf_result_success;
*out_data = (result == cgltf_result_success) ? file_data : NULL;
return result;
}
cgltf_result cgltf_load_buffer_base64(const cgltf_options* options, cgltf_size size, const char* base64, void** out_data)
@ -1083,6 +1086,45 @@ cgltf_result cgltf_load_buffer_base64(const cgltf_options* options, cgltf_size s
return cgltf_result_success;
}
static int cgltf_unhex(char ch)
{
return
(unsigned)(ch - '0') < 10 ? (ch - '0') :
(unsigned)(ch - 'A') < 6 ? (ch - 'A') + 10 :
(unsigned)(ch - 'a') < 6 ? (ch - 'a') + 10 :
-1;
}
void cgltf_decode_uri(char* uri)
{
char* write = uri;
char* i = uri;
while (*i)
{
if (*i == '%')
{
int ch1 = cgltf_unhex(i[1]);
if (ch1 >= 0)
{
int ch2 = cgltf_unhex(i[2]);
if (ch2 >= 0)
{
*write++ = (char)(ch1 * 16 + ch2);
i += 3;
continue;
}
}
}
*write++ = *i++;
}
*write = 0;
}
cgltf_result cgltf_load_buffers(const cgltf_options* options, cgltf_data* data, const char* gltf_path)
{
if (options == NULL)
@ -1477,6 +1519,16 @@ void cgltf_free(cgltf_data* data)
}
data->memory.free(data->memory.user_data, data->meshes[i].primitives[j].targets);
if (data->meshes[i].primitives[j].has_draco_mesh_compression)
{
for (cgltf_size k = 0; k < data->meshes[i].primitives[j].draco_mesh_compression.attributes_count; ++k)
{
data->memory.free(data->memory.user_data, data->meshes[i].primitives[j].draco_mesh_compression.attributes[k].name);
}
data->memory.free(data->memory.user_data, data->meshes[i].primitives[j].draco_mesh_compression.attributes);
}
}
data->memory.free(data->memory.user_data, data->meshes[i].primitives);
@ -4710,7 +4762,8 @@ static int cgltf_fixup_pointers(cgltf_data* data)
}
}
if (data->meshes[i].primitives[j].has_draco_mesh_compression) {
if (data->meshes[i].primitives[j].has_draco_mesh_compression)
{
CGLTF_PTRFIXUP_REQ(data->meshes[i].primitives[j].draco_mesh_compression.buffer_view, data->buffer_views, data->buffer_views_count);
for (cgltf_size m = 0; m < data->meshes[i].primitives[j].draco_mesh_compression.attributes_count; ++m)
{

2
3rdparty/cgltf/cgltf_write.h vendored
View File

@ -1,7 +1,7 @@
/**
* cgltf_write - a single-file glTF 2.0 writer written in C99.
*
* Version: 1.5
* Version: 1.6
*
* Website: https://github.com/jkuhlmann/cgltf
*