93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
#define CGLTF_IMPLEMENTATION
|
|
#include "../cgltf.h"
|
|
|
|
#include <algorithm>
|
|
#include <cmath>
|
|
#include <cstdio>
|
|
#include <limits>
|
|
|
|
static bool is_near(cgltf_float a, cgltf_float b)
|
|
{
|
|
return std::abs(a - b) < 10 * std::numeric_limits<cgltf_float>::min();
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
if (argc < 2)
|
|
{
|
|
printf("err\n");
|
|
return -1;
|
|
}
|
|
|
|
cgltf_options options = {};
|
|
cgltf_data* data = NULL;
|
|
cgltf_result result = cgltf_parse_file(&options, argv[1], &data);
|
|
|
|
if (result == cgltf_result_success)
|
|
result = cgltf_load_buffers(&options, data, argv[1]);
|
|
|
|
if (strstr(argv[1], "Draco"))
|
|
{
|
|
cgltf_free(data);
|
|
return 0;
|
|
}
|
|
|
|
if (result != cgltf_result_success)
|
|
return result;
|
|
|
|
//const cgltf_accessor* blobs = data->accessors;
|
|
cgltf_float element_float[16];
|
|
cgltf_uint element_uint[4];
|
|
for (cgltf_size blob_index = 0; blob_index < data->accessors_count; ++blob_index)
|
|
{
|
|
const cgltf_accessor* blob = data->accessors + blob_index;
|
|
if (blob->is_sparse)
|
|
{
|
|
cgltf_size nfloats = cgltf_num_components(blob->type) * blob->count;
|
|
cgltf_float* dense = (cgltf_float*) malloc(nfloats * sizeof(cgltf_float));
|
|
if (cgltf_accessor_unpack_floats(blob, dense, nfloats) < nfloats) {
|
|
printf("Unable to completely unpack a sparse accessor.\n");
|
|
return -1;
|
|
}
|
|
free(dense);
|
|
continue;
|
|
}
|
|
if (blob->has_max && blob->has_min)
|
|
{
|
|
cgltf_float min0 = std::numeric_limits<float>::max();
|
|
cgltf_float max0 = std::numeric_limits<float>::lowest();
|
|
for (cgltf_size index = 0; index < blob->count; index++)
|
|
{
|
|
cgltf_accessor_read_float(blob, index, element_float, 16);
|
|
min0 = std::min(min0, element_float[0]);
|
|
max0 = std::max(max0, element_float[0]);
|
|
}
|
|
if (!is_near(min0, blob->min[0]) || !is_near(max0, blob->max[0]))
|
|
{
|
|
printf("Computed [%f, %f] but expected [%f, %f]\n", min0, max0, blob->min[0], blob->max[0]);
|
|
return -1;
|
|
}
|
|
}
|
|
if (blob->has_max && blob->has_min && blob->component_type != cgltf_component_type_r_32f && blob->component_type != cgltf_component_type_invalid)
|
|
{
|
|
cgltf_uint min0 = std::numeric_limits<unsigned int>::max();
|
|
cgltf_uint max0 = std::numeric_limits<unsigned int>::lowest();
|
|
for ( cgltf_size index = 0; index < blob->count; index++ )
|
|
{
|
|
cgltf_accessor_read_uint( blob, index, element_uint, 4 );
|
|
min0 = std::min( min0, element_uint[0] );
|
|
max0 = std::max( max0, element_uint[0] );
|
|
}
|
|
if ( min0 != (unsigned int) blob->min[0] || max0 != (unsigned int) blob->max[0] )
|
|
{
|
|
printf( "Computed [%u, %u] but expected [%u, %u]\n", min0, max0, (unsigned int) blob->min[0], (unsigned int) blob->max[0] );
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
cgltf_free(data);
|
|
|
|
return result;
|
|
}
|