bool CTexture::Load_2D(std::string file, bool generateMipMap)
{
if (loaded) Release();
this->mipmap = generateMipMap;
this->file = file;
std::string ext = GetFileExtension(file);
if (ext == "dds")
{
return load_DDS(file);
}
else
{
return load_SDL(file);
}
}
// loads texture data from specified file
// TODO: wrap it in a workitem class, for the job system deferred loading
void
opengl_texture::load() {
if( type == "make:" ) {
// for generated texture we delay data creation until texture is bound
// this ensures the script will receive all simulation data it might potentially want
// as any binding will happen after simulation is loaded, initialized and running
// until then we supply data for a tiny 2x2 grey stub
make_stub();
}
else {
WriteLog( "Loading texture data from \"" + name + type + "\"", logtype::texture );
data_state = resource_state::loading;
if( type == ".dds" ) { load_DDS(); }
else if( type == ".tga" ) { load_TGA(); }
else if( type == ".png" ) { load_PNG(); }
else if( type == ".bmp" ) { load_BMP(); }
else if( type == ".tex" ) { load_TEX(); }
else { goto fail; }
}
// data state will be set by called loader, so we're all done here
if( data_state == resource_state::good ) {
has_alpha = (
data_components == GL_RGBA ?
true :
false );
size = data.size() / 1024;
return;
}
fail:
data_state = resource_state::failed;
ErrorLog( "Bad texture: failed to load texture \"" + name + type + "\"" );
// NOTE: temporary workaround for texture assignment errors
id = 0;
return;
}
