int main(int /*argc*/, char** /*argv*/)
{
Ptex::String error;
PtexPtr<PtexCache> c(PtexCache::create());
c->setSearchPath("foo/bar:.");
PtexPtr<PtexTexture> r(c->get("test.ptx", error));
if (!r) {
std::cerr << error.c_str() << std::endl;
return 1;
}
std::cout << "meshType: " << Ptex::MeshTypeName(r->meshType()) << std::endl;
std::cout << "dataType: " << Ptex::DataTypeName(r->dataType()) << std::endl;
std::cout << "numChannels: " << r->numChannels() << std::endl;
std::cout << "alphaChannel: ";
if (r->alphaChannel() == -1) std::cout << "(none)" << std::endl;
else std::cout << r->alphaChannel() << std::endl;
std::cout << "numFaces: " << r->numFaces() << std::endl;
PtexMetaData* meta = r->getMetaData();
std::cout << "numMetaKeys: " << meta->numKeys() << std::endl;
if (meta->numKeys()) DumpMetaData(meta);
meta->release();
int nfaces = r->numFaces();
for (int i = 0; i < nfaces; i++) {
const Ptex::FaceInfo& f = r->getFaceInfo(i);
std::cout << "face " << i << ":\n"
<< " res: " << int(f.res.ulog2) << ' ' << int(f.res.vlog2) << "\n"
<< " adjface: "
<< f.adjfaces[0] << ' '
<< f.adjfaces[1] << ' '
<< f.adjfaces[2] << ' '
<< f.adjfaces[3] << "\n"
<< " adjedge: "
<< f.adjedge(0) << ' '
<< f.adjedge(1) << ' '
<< f.adjedge(2) << ' '
<< f.adjedge(3) << "\n"
<< " flags: " << int(f.flags) << "\n";
Ptex::Res res = f.res;
while (res.ulog2 > 0 || res.vlog2 > 0) {
PtexFaceData* dh = r->getData(i, res);
if (!dh) break;
DumpData(r->dataType(), r->numChannels(), dh, " ");
bool isconst = dh->isConstant();
dh->release();
if (isconst) break;
if (res.ulog2) res.ulog2--;
if (res.vlog2) res.vlog2--;
}
PtexFaceData* dh = r->getData(i, Ptex::Res(0,0));
DumpData(r->dataType(), r->numChannels(), dh, " ");
dh->release();
}
return 0;
}
void DumpData(Ptex::DataType dt, int nchan, PtexFaceData* dh, std::string prefix)
{
void* dpixel = malloc(Ptex::DataSize(dt)*nchan);
float* pixel = (float*) malloc(sizeof(float)*nchan);
uint8_t* cpixel = (uint8_t*) malloc(sizeof(uint8_t)*nchan);
Ptex::Res res = dh->res();
printf("%sdata (%d x %d)", prefix.c_str(), res.u(), res.v());
if (dh->isTiled()) {
Ptex::Res tileres = dh->tileRes();
printf(", tiled (%d x %d):\n", tileres.u(), tileres.v());
int n = res.ntiles(tileres);
for (int i = 0; i < n; i++) {
PtexFaceData* t = dh->getTile(i);
std::cout << prefix << " tile " << i;
if (!t) {
std::cout << " NULL!" << std::endl;
} else {
DumpData(dt, nchan, t, prefix + " ");
t->release();
}
}
} else {
int ures, vres;
if (dh->isConstant()) { ures = vres = 1; std::cout << ", const: "; }
else { ures = res.u(); vres = res.v(); std::cout << ":\n"; }
int vimax = vres;// if (vimax > 16) vimax = 16;
for (int vi = 0; vi < vimax; vi++) {
if (vi == 8 && vres > 16) { vi = vres-8; std::cout << prefix << " ..." << std::endl; }
std::cout << prefix << " ";
int uimax = ures;// if (uimax > 16) uimax = 16;
for (int ui = 0; ui < uimax; ui++) {
if (ui == 8 && ures > 16) { ui = ures-8; std::cout << "... "; }
dh->getPixel(ui, vi, dpixel);
Ptex::ConvertToFloat(pixel, dpixel, dt, nchan);
Ptex::ConvertFromFloat(cpixel, pixel, Ptex::dt_uint8, nchan);
for (int c=0; c < nchan; c++) {
printf("%02x", cpixel[c]);
}
printf(" ");
}
if (uimax != ures) printf(" ...");
printf("\n");
}
if (vimax != vres) std::cout << prefix << " ..." << std::endl;
}
free(cpixel);
free(pixel);
free(dpixel);
}
