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Updated cgltf.

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This commit is contained in:
Бранимир Караџић 2021-05-14 19:29:23 -07:00
parent 5c1d99cb8c
commit 3b87b65d18
2 changed files with 78 additions and 1 deletions
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60
3rdparty/cgltf/cgltf.h vendored
View File

@ -372,6 +372,8 @@ typedef struct cgltf_texture
char* name;
cgltf_image* image;
cgltf_sampler* sampler;
cgltf_bool has_basisu;
cgltf_image* basisu_image;
cgltf_extras extras;
cgltf_size extensions_count;
cgltf_extension* extensions;
@ -3885,7 +3887,62 @@ static int cgltf_parse_json_texture(cgltf_options* options, jsmntok_t const* tok
}
else if (cgltf_json_strcmp(tokens + i, json_chunk, "extensions") == 0)
{
i = cgltf_parse_json_unprocessed_extensions(options, tokens, i, json_chunk, &out_texture->extensions_count, &out_texture->extensions);
++i;
CGLTF_CHECK_TOKTYPE(tokens[i], JSMN_OBJECT);
if (out_texture->extensions)
{
return CGLTF_ERROR_JSON;
}
int extensions_size = tokens[i].size;
++i;
out_texture->extensions = (cgltf_extension*)cgltf_calloc(options, sizeof(cgltf_extension), extensions_size);
out_texture->extensions_count = 0;
if (!out_texture->extensions)
{
return CGLTF_ERROR_NOMEM;
}
for (int k = 0; k < extensions_size; ++k)
{
CGLTF_CHECK_KEY(tokens[i]);
if (cgltf_json_strcmp(tokens + i, json_chunk, "KHR_texture_basisu") == 0)
{
out_texture->has_basisu = 1;
++i;
CGLTF_CHECK_TOKTYPE(tokens[i], JSMN_OBJECT);
int num_properties = tokens[i].size;
++i;
for (int t = 0; t < num_properties; ++t)
{
CGLTF_CHECK_KEY(tokens[i]);
if (cgltf_json_strcmp(tokens + i, json_chunk, "source") == 0)
{
++i;
out_texture->basisu_image = CGLTF_PTRINDEX(cgltf_image, cgltf_json_to_int(tokens + i, json_chunk));
++i;
}
else
{
i = cgltf_skip_json(tokens, i + 1);
}
}
}
else
{
i = cgltf_parse_json_unprocessed_extension(options, tokens, i, json_chunk, &(out_texture->extensions[out_texture->extensions_count++]));
}
if (i < 0)
{
return i;
}
}
}
else
{
@ -5851,6 +5908,7 @@ static int cgltf_fixup_pointers(cgltf_data* data)
for (cgltf_size i = 0; i < data->textures_count; ++i)
{
CGLTF_PTRFIXUP(data->textures[i].image, data->images, data->images_count);
CGLTF_PTRFIXUP(data->textures[i].basisu_image, data->images, data->images_count);
CGLTF_PTRFIXUP(data->textures[i].sampler, data->samplers, data->samplers_count);
}

19
3rdparty/cgltf/cgltf_write.h vendored
View File

@ -82,6 +82,7 @@ cgltf_size cgltf_write(const cgltf_options* options, char* buffer, cgltf_size si
#define CGLTF_EXTENSION_FLAG_MATERIALS_SHEEN (1 << 9)
#define CGLTF_EXTENSION_FLAG_MATERIALS_VARIANTS (1 << 10)
#define CGLTF_EXTENSION_FLAG_MATERIALS_VOLUME (1 << 11)
#define CGLTF_EXTENSION_FLAG_TEXTURE_BASISU (1 << 12)
typedef struct {
char* buffer;
@ -707,6 +708,18 @@ static void cgltf_write_texture(cgltf_write_context* context, const cgltf_textur
cgltf_write_strprop(context, "name", texture->name);
CGLTF_WRITE_IDXPROP("source", texture->image, context->data->images);
CGLTF_WRITE_IDXPROP("sampler", texture->sampler, context->data->samplers);
if (texture->has_basisu)
{
cgltf_write_line(context, "\"extensions\": {");
{
context->extension_flags |= CGLTF_EXTENSION_FLAG_TEXTURE_BASISU;
cgltf_write_line(context, "\"KHR_texture_basisu\": {");
CGLTF_WRITE_IDXPROP("source", texture->basisu_image, context->data->images);
cgltf_write_line(context, "}");
}
cgltf_write_line(context, "}");
}
cgltf_write_extras(context, &texture->extras);
cgltf_write_line(context, "}");
}
@ -1059,6 +1072,12 @@ static void cgltf_write_extensions(cgltf_write_context* context, uint32_t extens
if (extension_flags & CGLTF_EXTENSION_FLAG_MATERIALS_VARIANTS) {
cgltf_write_stritem(context, "KHR_materials_variants");
}
if (extension_flags & CGLTF_EXTENSION_FLAG_MATERIALS_VOLUME) {
cgltf_write_stritem(context, "KHR_materials_volume");
}
if (extension_flags & CGLTF_EXTENSION_FLAG_TEXTURE_BASISU) {
cgltf_write_stritem(context, "KHR_texture_basisu");
}
}
cgltf_size cgltf_write(const cgltf_options* options, char* buffer, cgltf_size size, const cgltf_data* data)