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Update cgltf.h

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Ray 2022-08-02 19:05:42 +02:00
parent b79df1c329
commit 72b2d1335a
1 changed files with 343 additions and 109 deletions
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452
src/external/cgltf.h vendored
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@ -1,7 +1,7 @@
/**
* cgltf - a single-file glTF 2.0 parser written in C99.
*
* Version: 1.11
* Version: 1.12
*
* Website: https://github.com/jkuhlmann/cgltf
*
@ -63,7 +63,7 @@
* By passing null for the output pointer, users can find out how many floats are required in the
* output buffer.
*
* `cgltf_accessor_num_components` is a tiny utility that tells you the dimensionality of
* `cgltf_num_components` is a tiny utility that tells you the dimensionality of
* a certain accessor type. This can be used before `cgltf_accessor_unpack_floats` to help allocate
* the necessary amount of memory.
*
@ -99,6 +99,7 @@ extern "C" {
#endif
typedef size_t cgltf_size;
typedef long long int cgltf_ssize;
typedef float cgltf_float;
typedef int cgltf_int;
typedef unsigned int cgltf_uint;
@ -109,6 +110,7 @@ typedef enum cgltf_file_type
cgltf_file_type_invalid,
cgltf_file_type_gltf,
cgltf_file_type_glb,
cgltf_file_type_max_enum
} cgltf_file_type;
typedef enum cgltf_result
@ -123,12 +125,13 @@ typedef enum cgltf_result
cgltf_result_io_error,
cgltf_result_out_of_memory,
cgltf_result_legacy_gltf,
cgltf_result_max_enum
} cgltf_result;
typedef struct cgltf_memory_options
{
void* (*alloc)(void* user, cgltf_size size);
void (*free) (void* user, void* ptr);
void* (*alloc_func)(void* user, cgltf_size size);
void (*free_func) (void* user, void* ptr);
void* user_data;
} cgltf_memory_options;
@ -152,6 +155,7 @@ typedef enum cgltf_buffer_view_type
cgltf_buffer_view_type_invalid,
cgltf_buffer_view_type_indices,
cgltf_buffer_view_type_vertices,
cgltf_buffer_view_type_max_enum
} cgltf_buffer_view_type;
typedef enum cgltf_attribute_type
@ -164,6 +168,8 @@ typedef enum cgltf_attribute_type
cgltf_attribute_type_color,
cgltf_attribute_type_joints,
cgltf_attribute_type_weights,
cgltf_attribute_type_custom,
cgltf_attribute_type_max_enum
} cgltf_attribute_type;
typedef enum cgltf_component_type
@ -175,6 +181,7 @@ typedef enum cgltf_component_type
cgltf_component_type_r_16u, /* UNSIGNED_SHORT */
cgltf_component_type_r_32u, /* UNSIGNED_INT */
cgltf_component_type_r_32f, /* FLOAT */
cgltf_component_type_max_enum
} cgltf_component_type;
typedef enum cgltf_type
@ -187,6 +194,7 @@ typedef enum cgltf_type
cgltf_type_mat2,
cgltf_type_mat3,
cgltf_type_mat4,
cgltf_type_max_enum
} cgltf_type;
typedef enum cgltf_primitive_type
@ -198,6 +206,7 @@ typedef enum cgltf_primitive_type
cgltf_primitive_type_triangles,
cgltf_primitive_type_triangle_strip,
cgltf_primitive_type_triangle_fan,
cgltf_primitive_type_max_enum
} cgltf_primitive_type;
typedef enum cgltf_alpha_mode
@ -205,6 +214,7 @@ typedef enum cgltf_alpha_mode
cgltf_alpha_mode_opaque,
cgltf_alpha_mode_mask,
cgltf_alpha_mode_blend,
cgltf_alpha_mode_max_enum
} cgltf_alpha_mode;
typedef enum cgltf_animation_path_type {
@ -213,18 +223,21 @@ typedef enum cgltf_animation_path_type {
cgltf_animation_path_type_rotation,
cgltf_animation_path_type_scale,
cgltf_animation_path_type_weights,
cgltf_animation_path_type_max_enum
} cgltf_animation_path_type;
typedef enum cgltf_interpolation_type {
cgltf_interpolation_type_linear,
cgltf_interpolation_type_step,
cgltf_interpolation_type_cubic_spline,
cgltf_interpolation_type_max_enum
} cgltf_interpolation_type;
typedef enum cgltf_camera_type {
cgltf_camera_type_invalid,
cgltf_camera_type_perspective,
cgltf_camera_type_orthographic,
cgltf_camera_type_max_enum
} cgltf_camera_type;
typedef enum cgltf_light_type {
@ -232,12 +245,14 @@ typedef enum cgltf_light_type {
cgltf_light_type_directional,
cgltf_light_type_point,
cgltf_light_type_spot,
cgltf_light_type_max_enum
} cgltf_light_type;
typedef enum cgltf_data_free_method {
cgltf_data_free_method_none,
cgltf_data_free_method_file_release,
cgltf_data_free_method_memory_free,
cgltf_data_free_method_max_enum
} cgltf_data_free_method;
typedef struct cgltf_extras {
@ -267,6 +282,7 @@ typedef enum cgltf_meshopt_compression_mode {
cgltf_meshopt_compression_mode_attributes,
cgltf_meshopt_compression_mode_triangles,
cgltf_meshopt_compression_mode_indices,
cgltf_meshopt_compression_mode_max_enum
} cgltf_meshopt_compression_mode;
typedef enum cgltf_meshopt_compression_filter {
@ -274,6 +290,7 @@ typedef enum cgltf_meshopt_compression_filter {
cgltf_meshopt_compression_filter_octahedral,
cgltf_meshopt_compression_filter_quaternion,
cgltf_meshopt_compression_filter_exponential,
cgltf_meshopt_compression_filter_max_enum
} cgltf_meshopt_compression_filter;
typedef struct cgltf_meshopt_compression
@ -474,6 +491,21 @@ typedef struct cgltf_sheen
cgltf_float sheen_roughness_factor;
} cgltf_sheen;
typedef struct cgltf_emissive_strength
{
cgltf_float emissive_strength;
} cgltf_emissive_strength;
typedef struct cgltf_iridescence
{
cgltf_float iridescence_factor;
cgltf_texture_view iridescence_texture;
cgltf_float iridescence_ior;
cgltf_float iridescence_thickness_min;
cgltf_float iridescence_thickness_max;
cgltf_texture_view iridescence_thickness_texture;
} cgltf_iridescence;
typedef struct cgltf_material
{
char* name;
@ -485,6 +517,8 @@ typedef struct cgltf_material
cgltf_bool has_ior;
cgltf_bool has_specular;
cgltf_bool has_sheen;
cgltf_bool has_emissive_strength;
cgltf_bool has_iridescence;
cgltf_pbr_metallic_roughness pbr_metallic_roughness;
cgltf_pbr_specular_glossiness pbr_specular_glossiness;
cgltf_clearcoat clearcoat;
@ -493,6 +527,8 @@ typedef struct cgltf_material
cgltf_sheen sheen;
cgltf_transmission transmission;
cgltf_volume volume;
cgltf_emissive_strength emissive_strength;
cgltf_iridescence iridescence;
cgltf_texture_view normal_texture;
cgltf_texture_view occlusion_texture;
cgltf_texture_view emissive_texture;
@ -524,6 +560,12 @@ typedef struct cgltf_draco_mesh_compression {
cgltf_size attributes_count;
} cgltf_draco_mesh_compression;
typedef struct cgltf_mesh_gpu_instancing {
cgltf_buffer_view* buffer_view;
cgltf_attribute* attributes;
cgltf_size attributes_count;
} cgltf_mesh_gpu_instancing;
typedef struct cgltf_primitive {
cgltf_primitive_type type;
cgltf_accessor* indices;
@ -628,6 +670,8 @@ struct cgltf_node {
cgltf_float scale[3];
cgltf_float matrix[16];
cgltf_extras extras;
cgltf_bool has_mesh_gpu_instancing;
cgltf_mesh_gpu_instancing mesh_gpu_instancing;
cgltf_size extensions_count;
cgltf_extension* extensions;
};
@ -779,8 +823,8 @@ cgltf_result cgltf_load_buffers(
cgltf_result cgltf_load_buffer_base64(const cgltf_options* options, cgltf_size size, const char* base64, void** out_data);
void cgltf_decode_string(char* string);
void cgltf_decode_uri(char* uri);
cgltf_size cgltf_decode_string(char* string);
cgltf_size cgltf_decode_uri(char* uri);
cgltf_result cgltf_validate(cgltf_data* data);
@ -829,6 +873,10 @@ cgltf_result cgltf_copy_extras_json(const cgltf_data* data, const cgltf_extras*
#include <stdlib.h> /* For malloc, free, atoi, atof */
#endif
#if CGLTF_VALIDATE_ENABLE_ASSERTS
#include <assert.h>
#endif
/* JSMN_PARENT_LINKS is necessary to make parsing large structures linear in input size */
#define JSMN_PARENT_LINKS
@ -920,7 +968,7 @@ static void* cgltf_calloc(cgltf_options* options, size_t element_size, cgltf_siz
{
return NULL;
}
void* result = options->memory.alloc(options->memory.user_data, element_size * count);
void* result = options->memory.alloc_func(options->memory.user_data, element_size * count);
if (!result)
{
return NULL;
@ -932,8 +980,8 @@ static void* cgltf_calloc(cgltf_options* options, size_t element_size, cgltf_siz
static cgltf_result cgltf_default_file_read(const struct cgltf_memory_options* memory_options, const struct cgltf_file_options* file_options, const char* path, cgltf_size* size, void** data)
{
(void)file_options;
void* (*memory_alloc)(void*, cgltf_size) = memory_options->alloc ? memory_options->alloc : &cgltf_default_alloc;
void (*memory_free)(void*, void*) = memory_options->free ? memory_options->free : &cgltf_default_free;
void* (*memory_alloc)(void*, cgltf_size) = memory_options->alloc_func ? memory_options->alloc_func : &cgltf_default_alloc;
void (*memory_free)(void*, void*) = memory_options->free_func ? memory_options->free_func : &cgltf_default_free;
FILE* file = fopen(path, "rb");
if (!file)
@ -948,11 +996,7 @@ static cgltf_result cgltf_default_file_read(const struct cgltf_memory_options* m
fseek(file, 0, SEEK_END);
#ifdef _WIN32
#ifdef __TINYC__
__int64 length = ftell(file);
#else
__int64 length = _ftelli64(file);
#endif
__int64 length = _ftelli64(file);
#else
long length = ftell(file);
#endif
@ -999,7 +1043,7 @@ static cgltf_result cgltf_default_file_read(const struct cgltf_memory_options* m
static void cgltf_default_file_release(const struct cgltf_memory_options* memory_options, const struct cgltf_file_options* file_options, void* data)
{
(void)file_options;
void (*memfree)(void*, void*) = memory_options->free ? memory_options->free : &cgltf_default_free;
void (*memfree)(void*, void*) = memory_options->free_func ? memory_options->free_func : &cgltf_default_free;
memfree(memory_options->user_data, data);
}
@ -1018,13 +1062,13 @@ cgltf_result cgltf_parse(const cgltf_options* options, const void* data, cgltf_s
}
cgltf_options fixed_options = *options;
if (fixed_options.memory.alloc == NULL)
if (fixed_options.memory.alloc_func == NULL)
{
fixed_options.memory.alloc = &cgltf_default_alloc;
fixed_options.memory.alloc_func = &cgltf_default_alloc;
}
if (fixed_options.memory.free == NULL)
if (fixed_options.memory.free_func == NULL)
{
fixed_options.memory.free = &cgltf_default_free;
fixed_options.memory.free_func = &cgltf_default_free;
}
uint32_t tmp;
@ -1189,8 +1233,8 @@ 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;
void* (*memory_alloc)(void*, cgltf_size) = options->memory.alloc_func ? options->memory.alloc_func : &cgltf_default_alloc;
void (*memory_free)(void*, void*) = options->memory.free_func ? options->memory.free_func : &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);
@ -1216,8 +1260,8 @@ static cgltf_result cgltf_load_buffer_file(const cgltf_options* options, cgltf_s
cgltf_result cgltf_load_buffer_base64(const cgltf_options* options, cgltf_size size, const char* base64, 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;
void* (*memory_alloc)(void*, cgltf_size) = options->memory.alloc_func ? options->memory.alloc_func : &cgltf_default_alloc;
void (*memory_free)(void*, void*) = options->memory.free_func ? options->memory.free_func : &cgltf_default_free;
unsigned char* data = (unsigned char*)memory_alloc(options->memory.user_data, size);
if (!data)
@ -1270,25 +1314,29 @@ static int cgltf_unhex(char ch)
-1;
}
void cgltf_decode_string(char* string)
cgltf_size cgltf_decode_string(char* string)
{
char* read = strchr(string, '\\');
if (read == NULL)
char* read = string + strcspn(string, "\\");
if (*read == 0)
{
return;
return read - string;
}
char* write = string;
char* last = string;
while (read)
for (;;)
{
// Copy characters since last escaped sequence
cgltf_size written = read - last;
strncpy(write, last, written);
memmove(write, last, written);
write += written;
if (*read++ == 0)
{
break;
}
// jsmn already checked that all escape sequences are valid
++read;
switch (*read++)
{
case '\"': *write++ = '\"'; break;
@ -1330,13 +1378,14 @@ void cgltf_decode_string(char* string)
}
last = read;
read = strchr(read, '\\');
read += strcspn(read, "\\");
}
strcpy(write, last);
*write = 0;
return write - string;
}
void cgltf_decode_uri(char* uri)
cgltf_size cgltf_decode_uri(char* uri)
{
char* write = uri;
char* i = uri;
@ -1364,6 +1413,7 @@ void cgltf_decode_uri(char* uri)
}
*write = 0;
return write - uri;
}
cgltf_result cgltf_load_buffers(const cgltf_options* options, cgltf_data* data, const char* gltf_path)
@ -1699,10 +1749,10 @@ void cgltf_free_extensions(cgltf_data* data, cgltf_extension* extensions, cgltf_
{
for (cgltf_size i = 0; i < extensions_count; ++i)
{
data->memory.free(data->memory.user_data, extensions[i].name);
data->memory.free(data->memory.user_data, extensions[i].data);
data->memory.free_func(data->memory.user_data, extensions[i].name);
data->memory.free_func(data->memory.user_data, extensions[i].data);
}
data->memory.free(data->memory.user_data, extensions);
data->memory.free_func(data->memory.user_data, extensions);
}
void cgltf_free(cgltf_data* data)
@ -1714,16 +1764,16 @@ void cgltf_free(cgltf_data* data)
void (*file_release)(const struct cgltf_memory_options*, const struct cgltf_file_options*, void* data) = data->file.release ? data->file.release : cgltf_default_file_release;
data->memory.free(data->memory.user_data, data->asset.copyright);
data->memory.free(data->memory.user_data, data->asset.generator);
data->memory.free(data->memory.user_data, data->asset.version);
data->memory.free(data->memory.user_data, data->asset.min_version);
data->memory.free_func(data->memory.user_data, data->asset.copyright);
data->memory.free_func(data->memory.user_data, data->asset.generator);
data->memory.free_func(data->memory.user_data, data->asset.version);
data->memory.free_func(data->memory.user_data, data->asset.min_version);
cgltf_free_extensions(data, data->asset.extensions, data->asset.extensions_count);
for (cgltf_size i = 0; i < data->accessors_count; ++i)
{
data->memory.free(data->memory.user_data, data->accessors[i].name);
data->memory.free_func(data->memory.user_data, data->accessors[i].name);
if(data->accessors[i].is_sparse)
{
@ -1733,20 +1783,20 @@ void cgltf_free(cgltf_data* data)
}
cgltf_free_extensions(data, data->accessors[i].extensions, data->accessors[i].extensions_count);
}
data->memory.free(data->memory.user_data, data->accessors);
data->memory.free_func(data->memory.user_data, data->accessors);
for (cgltf_size i = 0; i < data->buffer_views_count; ++i)
{
data->memory.free(data->memory.user_data, data->buffer_views[i].name);
data->memory.free(data->memory.user_data, data->buffer_views[i].data);
data->memory.free_func(data->memory.user_data, data->buffer_views[i].name);
data->memory.free_func(data->memory.user_data, data->buffer_views[i].data);
cgltf_free_extensions(data, data->buffer_views[i].extensions, data->buffer_views[i].extensions_count);
}
data->memory.free(data->memory.user_data, data->buffer_views);
data->memory.free_func(data->memory.user_data, data->buffer_views);
for (cgltf_size i = 0; i < data->buffers_count; ++i)
{
data->memory.free(data->memory.user_data, data->buffers[i].name);
data->memory.free_func(data->memory.user_data, data->buffers[i].name);
if (data->buffers[i].data_free_method == cgltf_data_free_method_file_release)
{
@ -1754,74 +1804,74 @@ void cgltf_free(cgltf_data* data)
}
else if (data->buffers[i].data_free_method == cgltf_data_free_method_memory_free)
{
data->memory.free(data->memory.user_data, data->buffers[i].data);
data->memory.free_func(data->memory.user_data, data->buffers[i].data);
}
data->memory.free(data->memory.user_data, data->buffers[i].uri);
data->memory.free_func(data->memory.user_data, data->buffers[i].uri);
cgltf_free_extensions(data, data->buffers[i].extensions, data->buffers[i].extensions_count);
}
data->memory.free(data->memory.user_data, data->buffers);
data->memory.free_func(data->memory.user_data, data->buffers);
for (cgltf_size i = 0; i < data->meshes_count; ++i)
{
data->memory.free(data->memory.user_data, data->meshes[i].name);
data->memory.free_func(data->memory.user_data, data->meshes[i].name);
for (cgltf_size j = 0; j < data->meshes[i].primitives_count; ++j)
{
for (cgltf_size k = 0; k < data->meshes[i].primitives[j].attributes_count; ++k)
{
data->memory.free(data->memory.user_data, data->meshes[i].primitives[j].attributes[k].name);
data->memory.free_func(data->memory.user_data, data->meshes[i].primitives[j].attributes[k].name);
}
data->memory.free(data->memory.user_data, data->meshes[i].primitives[j].attributes);
data->memory.free_func(data->memory.user_data, data->meshes[i].primitives[j].attributes);
for (cgltf_size k = 0; k < data->meshes[i].primitives[j].targets_count; ++k)
{
for (cgltf_size m = 0; m < data->meshes[i].primitives[j].targets[k].attributes_count; ++m)
{
data->memory.free(data->memory.user_data, data->meshes[i].primitives[j].targets[k].attributes[m].name);
data->memory.free_func(data->memory.user_data, data->meshes[i].primitives[j].targets[k].attributes[m].name);
}
data->memory.free(data->memory.user_data, data->meshes[i].primitives[j].targets[k].attributes);
data->memory.free_func(data->memory.user_data, data->meshes[i].primitives[j].targets[k].attributes);
}
data->memory.free(data->memory.user_data, data->meshes[i].primitives[j].targets);
data->memory.free_func(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_func(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_func(data->memory.user_data, data->meshes[i].primitives[j].draco_mesh_compression.attributes);
}
data->memory.free(data->memory.user_data, data->meshes[i].primitives[j].mappings);
data->memory.free_func(data->memory.user_data, data->meshes[i].primitives[j].mappings);
cgltf_free_extensions(data, data->meshes[i].primitives[j].extensions, data->meshes[i].primitives[j].extensions_count);
}
data->memory.free(data->memory.user_data, data->meshes[i].primitives);
data->memory.free(data->memory.user_data, data->meshes[i].weights);
data->memory.free_func(data->memory.user_data, data->meshes[i].primitives);
data->memory.free_func(data->memory.user_data, data->meshes[i].weights);
for (cgltf_size j = 0; j < data->meshes[i].target_names_count; ++j)
{
data->memory.free(data->memory.user_data, data->meshes[i].target_names[j]);
data->memory.free_func(data->memory.user_data, data->meshes[i].target_names[j]);
}
cgltf_free_extensions(data, data->meshes[i].extensions, data->meshes[i].extensions_count);
data->memory.free(data->memory.user_data, data->meshes[i].target_names);
data->memory.free_func(data->memory.user_data, data->meshes[i].target_names);
}
data->memory.free(data->memory.user_data, data->meshes);
data->memory.free_func(data->memory.user_data, data->meshes);
for (cgltf_size i = 0; i < data->materials_count; ++i)
{
data->memory.free(data->memory.user_data, data->materials[i].name);
data->memory.free_func(data->memory.user_data, data->materials[i].name);
if(data->materials[i].has_pbr_metallic_roughness)
{
@ -1857,6 +1907,11 @@ void cgltf_free(cgltf_data* data)
cgltf_free_extensions(data, data->materials[i].sheen.sheen_color_texture.extensions, data->materials[i].sheen.sheen_color_texture.extensions_count);
cgltf_free_extensions(data, data->materials[i].sheen.sheen_roughness_texture.extensions, data->materials[i].sheen.sheen_roughness_texture.extensions_count);
}
if(data->materials[i].has_iridescence)
{
cgltf_free_extensions(data, data->materials[i].iridescence.iridescence_texture.extensions, data->materials[i].iridescence.iridescence_texture.extensions_count);
cgltf_free_extensions(data, data->materials[i].iridescence.iridescence_thickness_texture.extensions, data->materials[i].iridescence.iridescence_thickness_texture.extensions_count);
}
cgltf_free_extensions(data, data->materials[i].normal_texture.extensions, data->materials[i].normal_texture.extensions_count);
cgltf_free_extensions(data, data->materials[i].occlusion_texture.extensions, data->materials[i].occlusion_texture.extensions_count);
@ -1865,126 +1920,126 @@ void cgltf_free(cgltf_data* data)
cgltf_free_extensions(data, data->materials[i].extensions, data->materials[i].extensions_count);
}
data->memory.free(data->memory.user_data, data->materials);
data->memory.free_func(data->memory.user_data, data->materials);
for (cgltf_size i = 0; i < data->images_count; ++i)
{
data->memory.free(data->memory.user_data, data->images[i].name);
data->memory.free(data->memory.user_data, data->images[i].uri);
data->memory.free(data->memory.user_data, data->images[i].mime_type);
data->memory.free_func(data->memory.user_data, data->images[i].name);
data->memory.free_func(data->memory.user_data, data->images[i].uri);
data->memory.free_func(data->memory.user_data, data->images[i].mime_type);
cgltf_free_extensions(data, data->images[i].extensions, data->images[i].extensions_count);
}
data->memory.free(data->memory.user_data, data->images);
data->memory.free_func(data->memory.user_data, data->images);
for (cgltf_size i = 0; i < data->textures_count; ++i)
{
data->memory.free(data->memory.user_data, data->textures[i].name);
data->memory.free_func(data->memory.user_data, data->textures[i].name);
cgltf_free_extensions(data, data->textures[i].extensions, data->textures[i].extensions_count);
}
data->memory.free(data->memory.user_data, data->textures);
data->memory.free_func(data->memory.user_data, data->textures);
for (cgltf_size i = 0; i < data->samplers_count; ++i)
{
data->memory.free(data->memory.user_data, data->samplers[i].name);
data->memory.free_func(data->memory.user_data, data->samplers[i].name);
cgltf_free_extensions(data, data->samplers[i].extensions, data->samplers[i].extensions_count);
}
data->memory.free(data->memory.user_data, data->samplers);
data->memory.free_func(data->memory.user_data, data->samplers);
for (cgltf_size i = 0; i < data->skins_count; ++i)
{
data->memory.free(data->memory.user_data, data->skins[i].name);
data->memory.free(data->memory.user_data, data->skins[i].joints);
data->memory.free_func(data->memory.user_data, data->skins[i].name);
data->memory.free_func(data->memory.user_data, data->skins[i].joints);
cgltf_free_extensions(data, data->skins[i].extensions, data->skins[i].extensions_count);
}
data->memory.free(data->memory.user_data, data->skins);
data->memory.free_func(data->memory.user_data, data->skins);
for (cgltf_size i = 0; i < data->cameras_count; ++i)
{
data->memory.free(data->memory.user_data, data->cameras[i].name);
data->memory.free_func(data->memory.user_data, data->cameras[i].name);
cgltf_free_extensions(data, data->cameras[i].extensions, data->cameras[i].extensions_count);
}
data->memory.free(data->memory.user_data, data->cameras);
data->memory.free_func(data->memory.user_data, data->cameras);
for (cgltf_size i = 0; i < data->lights_count; ++i)
{
data->memory.free(data->memory.user_data, data->lights[i].name);
data->memory.free_func(data->memory.user_data, data->lights[i].name);
}
data->memory.free(data->memory.user_data, data->lights);
data->memory.free_func(data->memory.user_data, data->lights);
for (cgltf_size i = 0; i < data->nodes_count; ++i)
{
data->memory.free(data->memory.user_data, data->nodes[i].name);
data->memory.free(data->memory.user_data, data->nodes[i].children);
data->memory.free(data->memory.user_data, data->nodes[i].weights);
data->memory.free_func(data->memory.user_data, data->nodes[i].name);
data->memory.free_func(data->memory.user_data, data->nodes[i].children);
data->memory.free_func(data->memory.user_data, data->nodes[i].weights);
cgltf_free_extensions(data, data->nodes[i].extensions, data->nodes[i].extensions_count);
}
data->memory.free(data->memory.user_data, data->nodes);
data->memory.free_func(data->memory.user_data, data->nodes);
for (cgltf_size i = 0; i < data->scenes_count; ++i)
{
data->memory.free(data->memory.user_data, data->scenes[i].name);
data->memory.free(data->memory.user_data, data->scenes[i].nodes);
data->memory.free_func(data->memory.user_data, data->scenes[i].name);
data->memory.free_func(data->memory.user_data, data->scenes[i].nodes);
cgltf_free_extensions(data, data->scenes[i].extensions, data->scenes[i].extensions_count);
}
data->memory.free(data->memory.user_data, data->scenes);
data->memory.free_func(data->memory.user_data, data->scenes);
for (cgltf_size i = 0; i < data->animations_count; ++i)
{
data->memory.free(data->memory.user_data, data->animations[i].name);
data->memory.free_func(data->memory.user_data, data->animations[i].name);
for (cgltf_size j = 0; j < data->animations[i].samplers_count; ++j)
{
cgltf_free_extensions(data, data->animations[i].samplers[j].extensions, data->animations[i].samplers[j].extensions_count);
}
data->memory.free(data->memory.user_data, data->animations[i].samplers);
data->memory.free_func(data->memory.user_data, data->animations[i].samplers);
for (cgltf_size j = 0; j < data->animations[i].channels_count; ++j)
{
cgltf_free_extensions(data, data->animations[i].channels[j].extensions, data->animations[i].channels[j].extensions_count);
}
data->memory.free(data->memory.user_data, data->animations[i].channels);
data->memory.free_func(data->memory.user_data, data->animations[i].channels);
cgltf_free_extensions(data, data->animations[i].extensions, data->animations[i].extensions_count);
}
data->memory.free(data->memory.user_data, data->animations);
data->memory.free_func(data->memory.user_data, data->animations);
for (cgltf_size i = 0; i < data->variants_count; ++i)
{
data->memory.free(data->memory.user_data, data->variants[i].name);
data->memory.free_func(data->memory.user_data, data->variants[i].name);
}
data->memory.free(data->memory.user_data, data->variants);
data->memory.free_func(data->memory.user_data, data->variants);
cgltf_free_extensions(data, data->data_extensions, data->data_extensions_count);
for (cgltf_size i = 0; i < data->extensions_used_count; ++i)
{
data->memory.free(data->memory.user_data, data->extensions_used[i]);
data->memory.free_func(data->memory.user_data, data->extensions_used[i]);
}
data->memory.free(data->memory.user_data, data->extensions_used);
data->memory.free_func(data->memory.user_data, data->extensions_used);
for (cgltf_size i = 0; i < data->extensions_required_count; ++i)
{
data->memory.free(data->memory.user_data, data->extensions_required[i]);
data->memory.free_func(data->memory.user_data, data->extensions_required[i]);
}
data->memory.free(data->memory.user_data, data->extensions_required);
data->memory.free_func(data->memory.user_data, data->extensions_required);
file_release(&data->memory, &data->file, data->file_data);
data->memory.free(data->memory.user_data, data);
data->memory.free_func(data->memory.user_data, data);
}
void cgltf_node_transform_local(const cgltf_node* node, cgltf_float* out_matrix)
@ -2067,7 +2122,7 @@ void cgltf_node_transform_world(const cgltf_node* node, cgltf_float* out_matrix)
}
}
static cgltf_size cgltf_component_read_index(const void* in, cgltf_component_type component_type)
static cgltf_ssize cgltf_component_read_integer(const void* in, cgltf_component_type component_type)
{
switch (component_type)
{
@ -2078,7 +2133,7 @@ static cgltf_size cgltf_component_read_index(const void* in, cgltf_component_typ
case cgltf_component_type_r_32u:
return *((const uint32_t*) in);
case cgltf_component_type_r_32f:
return (cgltf_size)*((const float*) in);
return (cgltf_ssize)*((const float*) in);
case cgltf_component_type_r_8:
return *((const int8_t*) in);
case cgltf_component_type_r_8u:
@ -2088,6 +2143,23 @@ static cgltf_size cgltf_component_read_index(const void* in, cgltf_component_typ
}
}
static cgltf_size cgltf_component_read_index(const void* in, cgltf_component_type component_type)
{
switch (component_type)
{
case cgltf_component_type_r_16u:
return *((const uint16_t*) in);
case cgltf_component_type_r_32u:
return *((const uint32_t*) in);
case cgltf_component_type_r_32f:
return (cgltf_size)*((const float*) in);
case cgltf_component_type_r_8u:
return *((const uint8_t*) in);
default:
return 0;
}
}
static cgltf_float cgltf_component_read_float(const void* in, cgltf_component_type component_type, cgltf_bool normalized)
{
if (component_type == cgltf_component_type_r_32f)
@ -2113,7 +2185,7 @@ static cgltf_float cgltf_component_read_float(const void* in, cgltf_component_ty
}
}
return (cgltf_float)cgltf_component_read_index(in, component_type);
return (cgltf_float)cgltf_component_read_integer(in, component_type);
}
static cgltf_size cgltf_component_size(cgltf_component_type component_type);
@ -2471,7 +2543,7 @@ static int cgltf_parse_json_string(cgltf_options* options, jsmntok_t const* toke
return CGLTF_ERROR_JSON;
}
int size = tokens[i].end - tokens[i].start;
char* result = (char*)options->memory.alloc(options->memory.user_data, size + 1);
char* result = (char*)options->memory.alloc_func(options->memory.user_data, size + 1);
if (!result)
{
return CGLTF_ERROR_NOMEM;
@ -2526,6 +2598,12 @@ static int cgltf_parse_json_string_array(cgltf_options* options, jsmntok_t const
static void cgltf_parse_attribute_type(const char* name, cgltf_attribute_type* out_type, int* out_index)
{
if (*name == '_')
{
*out_type = cgltf_attribute_type_custom;
return;
}
const char* us = strchr(name, '_');
size_t len = us ? (size_t)(us - name) : strlen(name);
@ -2624,7 +2702,7 @@ static int cgltf_parse_json_unprocessed_extension(cgltf_options* options, jsmnto
}
cgltf_size name_length = tokens[i].end - tokens[i].start;
out_extension->name = (char*)options->memory.alloc(options->memory.user_data, name_length + 1);
out_extension->name = (char*)options->memory.alloc_func(options->memory.user_data, name_length + 1);
if (!out_extension->name)
{
return CGLTF_ERROR_NOMEM;
@ -2635,7 +2713,7 @@ static int cgltf_parse_json_unprocessed_extension(cgltf_options* options, jsmnto
size_t start = tokens[i].start;
size_t size = tokens[i].end - start;
out_extension->data = (char*)options->memory.alloc(options->memory.user_data, size + 1);
out_extension->data = (char*)options->memory.alloc_func(options->memory.user_data, size + 1);
if (!out_extension->data)
{
return CGLTF_ERROR_NOMEM;
@ -2716,6 +2794,37 @@ static int cgltf_parse_json_draco_mesh_compression(cgltf_options* options, jsmnt
return i;
}
static int cgltf_parse_json_mesh_gpu_instancing(cgltf_options* options, jsmntok_t const* tokens, int i, const uint8_t* json_chunk, cgltf_mesh_gpu_instancing* out_mesh_gpu_instancing)
{
CGLTF_CHECK_TOKTYPE(tokens[i], JSMN_OBJECT);
int size = tokens[i].size;
++i;
for (int j = 0; j < size; ++j)
{
CGLTF_CHECK_KEY(tokens[i]);
if (cgltf_json_strcmp(tokens + i, json_chunk, "attributes") == 0)
{
i = cgltf_parse_json_attribute_list(options, tokens, i + 1, json_chunk, &out_mesh_gpu_instancing->attributes, &out_mesh_gpu_instancing->attributes_count);
}
else if (cgltf_json_strcmp(tokens + i, json_chunk, "bufferView") == 0)
{
++i;
out_mesh_gpu_instancing->buffer_view = CGLTF_PTRINDEX(cgltf_buffer_view, cgltf_json_to_int(tokens + i, json_chunk));
++i;
}
if (i < 0)
{
return i;
}
}
return i;
}
static int cgltf_parse_json_material_mapping_data(cgltf_options* options, jsmntok_t const* tokens, int i, const uint8_t* json_chunk, cgltf_material_mapping* out_mappings, cgltf_size* offset)
{
(void)options;
@ -3842,6 +3951,100 @@ static int cgltf_parse_json_sheen(cgltf_options* options, jsmntok_t const* token
return i;
}
static int cgltf_parse_json_emissive_strength(jsmntok_t const* tokens, int i, const uint8_t* json_chunk, cgltf_emissive_strength* out_emissive_strength)
{
CGLTF_CHECK_TOKTYPE(tokens[i], JSMN_OBJECT);
int size = tokens[i].size;
++i;
// Default
out_emissive_strength->emissive_strength = 1.f;
for (int j = 0; j < size; ++j)
{
CGLTF_CHECK_KEY(tokens[i]);
if (cgltf_json_strcmp(tokens + i, json_chunk, "emissiveStrength") == 0)
{
++i;
out_emissive_strength->emissive_strength = cgltf_json_to_float(tokens + i, json_chunk);
++i;
}
else
{
i = cgltf_skip_json(tokens, i + 1);
}
if (i < 0)
{
return i;
}
}
return i;
}
static int cgltf_parse_json_iridescence(cgltf_options* options, jsmntok_t const* tokens, int i, const uint8_t* json_chunk, cgltf_iridescence* out_iridescence)
{
CGLTF_CHECK_TOKTYPE(tokens[i], JSMN_OBJECT);
int size = tokens[i].size;
++i;
// Default
out_iridescence->iridescence_ior = 1.3f;
out_iridescence->iridescence_thickness_min = 100.f;
out_iridescence->iridescence_thickness_max = 400.f;
for (int j = 0; j < size; ++j)
{
CGLTF_CHECK_KEY(tokens[i]);
if (cgltf_json_strcmp(tokens + i, json_chunk, "iridescenceFactor") == 0)
{
++i;
out_iridescence->iridescence_factor = cgltf_json_to_float(tokens + i, json_chunk);
++i;
}
else if (cgltf_json_strcmp(tokens + i, json_chunk, "iridescenceTexture") == 0)
{
i = cgltf_parse_json_texture_view(options, tokens, i + 1, json_chunk, &out_iridescence->iridescence_texture);
}
else if (cgltf_json_strcmp(tokens + i, json_chunk, "iridescenceIor") == 0)
{
++i;
out_iridescence->iridescence_ior = cgltf_json_to_float(tokens + i, json_chunk);
++i;
}
else if (cgltf_json_strcmp(tokens + i, json_chunk, "iridescenceThicknessMinimum") == 0)
{
++i;
out_iridescence->iridescence_thickness_min = cgltf_json_to_float(tokens + i, json_chunk);
++i;
}
else if (cgltf_json_strcmp(tokens + i, json_chunk, "iridescenceThicknessMaximum") == 0)
{
++i;
out_iridescence->iridescence_thickness_max = cgltf_json_to_float(tokens + i, json_chunk);
++i;
}
else if (cgltf_json_strcmp(tokens + i, json_chunk, "iridescenceThicknessTexture") == 0)
{
i = cgltf_parse_json_texture_view(options, tokens, i + 1, json_chunk, &out_iridescence->iridescence_thickness_texture);
}
else
{
i = cgltf_skip_json(tokens, i + 1);
}
if (i < 0)
{
return i;
}
}
return i;
}
static int cgltf_parse_json_image(cgltf_options* options, jsmntok_t const* tokens, int i, const uint8_t* json_chunk, cgltf_image* out_image)
{
CGLTF_CHECK_TOKTYPE(tokens[i], JSMN_OBJECT);
@ -4039,6 +4242,10 @@ static int cgltf_parse_json_texture(cgltf_options* options, jsmntok_t const* tok
{
i = cgltf_skip_json(tokens, i + 1);
}
if (i < 0)
{
return i;
}
}
}
else
@ -4216,6 +4423,16 @@ static int cgltf_parse_json_material(cgltf_options* options, jsmntok_t const* to
out_material->has_sheen = 1;
i = cgltf_parse_json_sheen(options, tokens, i + 1, json_chunk, &out_material->sheen);
}
else if (cgltf_json_strcmp(tokens + i, json_chunk, "KHR_materials_emissive_strength") == 0)
{
out_material->has_emissive_strength = 1;
i = cgltf_parse_json_emissive_strength(tokens, i + 1, json_chunk, &out_material->emissive_strength);
}
else if (cgltf_json_strcmp(tokens + i, json_chunk, "KHR_materials_iridescence") == 0)
{
out_material->has_iridescence = 1;
i = cgltf_parse_json_iridescence(options, tokens, i + 1, json_chunk, &out_material->iridescence);
}
else
{
i = cgltf_parse_json_unprocessed_extension(options, tokens, i, json_chunk, &(out_material->extensions[out_material->extensions_count++]));
@ -5176,6 +5393,11 @@ static int cgltf_parse_json_node(cgltf_options* options, jsmntok_t const* tokens
}
}
}
else if (cgltf_json_strcmp(tokens + i, json_chunk, "EXT_mesh_gpu_instancing") == 0)
{
out_node->has_mesh_gpu_instancing = 1;
i = cgltf_parse_json_mesh_gpu_instancing(options, tokens, i + 1, json_chunk, &out_node->mesh_gpu_instancing);
}
else
{
i = cgltf_parse_json_unprocessed_extension(options, tokens, i, json_chunk, &(out_node->extensions[out_node->extensions_count++]));
@ -5903,7 +6125,7 @@ cgltf_result cgltf_parse_json(cgltf_options* options, const uint8_t* json_chunk,
options->json_token_count = token_count;
}
jsmntok_t* tokens = (jsmntok_t*)options->memory.alloc(options->memory.user_data, sizeof(jsmntok_t) * (options->json_token_count + 1));
jsmntok_t* tokens = (jsmntok_t*)options->memory.alloc_func(options->memory.user_data, sizeof(jsmntok_t) * (options->json_token_count + 1));
if (!tokens)
{
@ -5916,7 +6138,7 @@ cgltf_result cgltf_parse_json(cgltf_options* options, const uint8_t* json_chunk,
if (token_count <= 0)
{
options->memory.free(options->memory.user_data, tokens);
options->memory.free_func(options->memory.user_data, tokens);
return cgltf_result_invalid_json;
}
@ -5924,11 +6146,11 @@ cgltf_result cgltf_parse_json(cgltf_options* options, const uint8_t* json_chunk,
// for invalid JSON inputs this makes sure we don't perform out of bound reads of token data
tokens[token_count].type = JSMN_UNDEFINED;
cgltf_data* data = (cgltf_data*)options->memory.alloc(options->memory.user_data, sizeof(cgltf_data));
cgltf_data* data = (cgltf_data*)options->memory.alloc_func(options->memory.user_data, sizeof(cgltf_data));
if (!data)
{
options->memory.free(options->memory.user_data, tokens);
options->memory.free_func(options->memory.user_data, tokens);
return cgltf_result_out_of_memory;
}
@ -5938,7 +6160,7 @@ cgltf_result cgltf_parse_json(cgltf_options* options, const uint8_t* json_chunk,
int i = cgltf_parse_json_root(options, tokens, 0, json_chunk, data);
options->memory.free(options->memory.user_data, tokens);
options->memory.free_func(options->memory.user_data, tokens);
if (i < 0)
{
@ -6062,6 +6284,9 @@ static int cgltf_fixup_pointers(cgltf_data* data)
CGLTF_PTRFIXUP(data->materials[i].sheen.sheen_color_texture.texture, data->textures, data->textures_count);
CGLTF_PTRFIXUP(data->materials[i].sheen.sheen_roughness_texture.texture, data->textures, data->textures_count);
CGLTF_PTRFIXUP(data->materials[i].iridescence.iridescence_texture.texture, data->textures, data->textures_count);
CGLTF_PTRFIXUP(data->materials[i].iridescence.iridescence_thickness_texture.texture, data->textures, data->textures_count);
}
for (cgltf_size i = 0; i < data->buffer_views_count; ++i)
@ -6103,6 +6328,15 @@ static int cgltf_fixup_pointers(cgltf_data* data)
CGLTF_PTRFIXUP(data->nodes[i].skin, data->skins, data->skins_count);
CGLTF_PTRFIXUP(data->nodes[i].camera, data->cameras, data->cameras_count);
CGLTF_PTRFIXUP(data->nodes[i].light, data->lights, data->lights_count);
if (data->nodes[i].has_mesh_gpu_instancing)
{
CGLTF_PTRFIXUP_REQ(data->nodes[i].mesh_gpu_instancing.buffer_view, data->buffer_views, data->buffer_views_count);
for (cgltf_size m = 0; m < data->nodes[i].mesh_gpu_instancing.attributes_count; ++m)
{
CGLTF_PTRFIXUP_REQ(data->nodes[i].mesh_gpu_instancing.attributes[m].data, data->accessors, data->accessors_count);
}
}
}
for (cgltf_size i = 0; i < data->scenes_count; ++i)