int main(int argc, char** argv)
{
int maxmem = argc >= 2 ? atoi(argv[1]) : 1024*1024;
PtexCache* c = PtexCache::create(0, maxmem);
Ptex::String error;
PtexPtr<PtexTexture> r ( c->get("test.ptx", error) );
if (!r) {
std::cerr << error.c_str() << std::endl;
return 1;
}
PtexFilter::Options opts(PtexFilter::f_bicubic, 0, 1.0);
PtexPtr<PtexFilter> f ( PtexFilter::getFilter(r, opts) );
float result[4];
int faceid = 0;
float u=0, v=0, uw=.125, vw=.125;
for (v = 0; v <= 1; v += .125) {
for (u = 0; u <= 1; u += .125) {
f->eval(result, 0, 1, faceid, u, v, uw, 0, 0, vw);
printf("%8f %8f -> %8f\n", u, v, result[0]);
}
}
return 0;
}
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 PtexWriterBase::release()
{
Ptex::String error;
// close writer if app didn't, and report error if any
if (_tilefp && !close(error))
std::cerr << error.c_str() << std::endl;
delete this;
}
bool PtexViewer::loadFile(std::string filename, int face)
{
Ptex::String ptexError;
PtexPtr<PtexTexture> r(PtexTexture::open(filename.c_str(), ptexError, true));
_quads = true;
if (!r)
{
fprintf(stderr,"%s\n",ptexError.c_str());
return false;
}
if (face>=r->numFaces())
{
std::cerr << "Invalid face ID requested" << std::endl;
return false;
}
removeSceneData();
_numFaces = r->numFaces();
_typeStr = Ptex::DataTypeName(r->dataType());
_quads = r->meshType()==Ptex::mt_quad;
_mode3d = false;
_envCube = false;
if (_enable3D && r->numFaces()==6 && face<0)
{
// Test for environment cube case
_envCube = true;
int adjfaces[6][4] = {
{ 3, 5, 2, 4 }, // px
{ 3, 4, 2, 5 }, // nx
{ 4, 0, 5, 1 }, // py
{ 5, 0, 4, 1 }, // ny
{ 3, 0, 2, 1 }, // pz
{ 3, 1, 2, 0 } // nz
};
int fi = 0;
while (fi<6 && _envCube)
{
const Ptex::FaceInfo& f = r->getFaceInfo(fi);
for (int v=0; v<4; v++)
if (f.adjfaces[v]!=adjfaces[fi][v]) _envCube = false;
fi++;
}
}
if (_envCube)
{
// Construct environment cube geometry
float cubeVerts[8][3] = {
{-1,-1,-1}, {1,-1,-1}, {1,-1, 1}, {-1,-1, 1},
{-1, 1,-1}, {1, 1,-1}, {1, 1, 1}, {-1, 1, 1} };
int cubeInds[6][4] = {
{2,1,5,6}, {0,3,7,4},
{7,6,5,4}, {0,1,2,3},
{3,2,6,7}, {1,0,4,5} };
for (int i=0; i<8; i++) _geometry.addVertex(cubeVerts[i]);
for (int fi=0; fi<6; fi++)
{
const Ptex::FaceInfo& f = r->getFaceInfo(fi);
polygon q;
for (int v=0; v<4; v++) q.indices[v] = cubeInds[fi][v];
q.ures = f.res.u();
q.vres = f.res.v();
_geometry.addFace(q);
}
_mode3d = true;
}
else
{
if (_enable3D) _mode3d = _geometry.loadFromMetaData(r);
if (_geometry.empty()) _geometry.makeFlatGeom(r);
for (int fi=0; fi<r->numFaces(); fi++)
{
polygon* q = _geometry.getFace(fi);
if (!q) continue;
const Ptex::FaceInfo& f = r->getFaceInfo(fi);
q->ures = f.res.u();
q->vres = f.res.v();
}
}
_geometry.makePages(r);
computeBounds();
return true;
}
int main(int argc, char** argv)
{
bool showver = 0;
bool dumpmeta = 0;
bool dumpfaceinfo = 0;
bool dumpdata = 0;
bool dumpalldata = 0;
bool dumpinternal = 0;
bool dumptiling = 0;
bool checkadjacency = 0;
const char* fname = 0;
while (--argc) {
if (**++argv == '-') {
char* cp = *argv + 1;
if (!*cp) usage(); // handle bare '-'
while (*cp) {
switch (*cp++) {
case 'v': showver = 1; break;
case 'm': dumpmeta = 1; break;
case 'd': dumpdata = 1; break;
case 'D': dumpdata = 1; dumpalldata = 1; break;
case 'f': dumpfaceinfo = 1; break;
case 't': dumptiling = 1; break;
case 'i': dumpinternal = 1; break;
case 'c': checkadjacency = 1; break;
default: usage();
}
}
}
else if (fname) usage();
else fname = *argv;
}
if (showver) {
#ifdef PTEX_VENDOR
# define str(s) #s
# define xstr(s) str(s)
std::cout << "Ptex v" << PtexLibraryMajorVersion << "." << PtexLibraryMinorVersion << "-" << xstr(PTEX_VENDOR) << std::endl;
#else
std::cout << "Ptex v" << PtexLibraryMajorVersion << "." << PtexLibraryMinorVersion << std::endl;
#endif
}
if (!fname) {
if (!showver) usage();
return 0;
}
Ptex::String error;
PtexPtr<PtexTexture> r ( PtexTexture::open(fname, error) );
if (!r) {
std::cerr << error.c_str() << std::endl;
return 1;
}
if (checkadjacency) {
return CheckAdjacency(r);
}
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 << "uBorderMode: " << Ptex::BorderModeName(r->uBorderMode()) << std::endl;
std::cout << "vBorderMode: " << Ptex::BorderModeName(r->vBorderMode()) << std::endl;
std::cout << "edgeFilterMode: " << Ptex::EdgeFilterModeName(r->edgeFilterMode()) << std::endl;
std::cout << "numFaces: " << r->numFaces() << std::endl;
std::cout << "hasEdits: " << (r->hasEdits() ? "yes" : "no") << std::endl;
std::cout << "hasMipMaps: " << (r->hasMipMaps() ? "yes" : "no") << std::endl;
PtexPtr<PtexMetaData> meta ( r->getMetaData() );
if (meta) {
std::cout << "numMetaKeys: " << meta->numKeys() << std::endl;
if (dumpmeta && meta->numKeys()) DumpMetaData(meta);
}
if (dumpfaceinfo || dumpdata || dumptiling) {
uint64_t texels = 0;
for (int i = 0; i < r->numFaces(); i++) {
std::cout << "face " << i << ":";
const Ptex::FaceInfo& f = r->getFaceInfo(i);
DumpFaceInfo(f);
texels += f.res.size();
if (dumptiling) {
PtexPtr<PtexFaceData> dh ( r->getData(i, f.res) );
DumpTiling(dh);
}
if (dumpdata) DumpData(r, i, dumpalldata);
}
std::cout << "texels: " << texels << std::endl;
}
if (dumpinternal) DumpInternal(r);
return 0;
}
int main(int /*argc*/, char** /*argv*/)
{
static Ptex::Res res[] = { Ptex::Res(8,7),
Ptex::Res(1,2),
Ptex::Res(3,1),
Ptex::Res(5,4),
Ptex::Res(9,8),
Ptex::Res(2,4),
Ptex::Res(6,2),
Ptex::Res(7,4),
Ptex::Res(2,1)};
static int adjedges[][4] = {{ 2, 3, 0, 1 },
{ 2, 3, 0, 1 },
{ 2, 3, 0, 1 },
{ 2, 3, 0, 1 },
{ 2, 3, 0, 1 },
{ 2, 3, 0, 1 },
{ 2, 3, 0, 1 },
{ 2, 3, 0, 1 },
{ 2, 3, 0, 1 }};
static int adjfaces[][4] ={{ 3, 1, -1, -1 },
{ 4, 2, -1, 0 },
{ 5, -1, -1, 1 },
{ 6, 4, 0, -1 },
{ 7, 5, 1, 3 },
{ 8, -1, 2, 4 },
{ -1, 7, 3, -1 },
{ -1, 8, 4, 6 },
{ -1, -1, 5, 7 }};
int nfaces = sizeof(res)/sizeof(res[0]);
Ptex::DataType dt = Ptex::dt_half;
#define DTYPE PtexHalf
int alpha = -1;
int nchan = 3;
Ptex::String error;
PtexWriter* w =
PtexWriter::open("test.ptx", Ptex::mt_quad, dt, nchan, alpha, nfaces, error);
if (!w) {
std::cerr << error.c_str() << std::endl;
return 1;
}
int size = 0;
for (int i = 0; i < nfaces; i++)
size = std::max(size, res[i].size());
size *= Ptex::DataSize(dt) * nchan;
void* buff = malloc(size);
for (int i = 0; i < nfaces; i++)
{
memset(buff, 0, size);
DTYPE* fbuff = (DTYPE*)buff;
int ures = res[i].u(), vres = res[i].v();
for (int v = 0; v < vres; v++) {
for (int u = 0; u < ures; u++) {
float c = (u ^ v) & 1;
fbuff[(v*ures+u)*nchan] = u/float(ures-1);
fbuff[(v*ures+u)*nchan+1] = v/float(vres-1);
fbuff[(v*ures+u)*nchan+2] = c;
}
}
w->writeFace(i, Ptex::FaceInfo(res[i], adjfaces[i], adjedges[i]), buff);
}
free(buff);
char* sval = "a str val";
int ndvals = 3;
double dvals_buff[3] = { 1.1,2.2,3.3 };
double* dvals = dvals_buff;
int nivals = 4;
int16_t ivals[4] = { 2, 4, 6, 8 };
char* xval = 0;
writeMeta(w, sval, dvals, ndvals, ivals, nivals, xval);
if (!w->close(error)) {
std::cerr << error.c_str() << std::endl;
return 1;
}
w->release();
if (!checkMeta("test.ptx", sval, dvals, ndvals, ivals, nivals, xval))
return 1;
// add some incremental edits
w = PtexWriter::edit("test.ptx", true, Ptex::mt_quad, dt, nchan, alpha, nfaces, error);
sval = "a string value";
dvals[2] = 0;
writeMeta(w, sval, dvals, ndvals, 0, 0, 0);
if (!w->close(error)) {
std::cerr << error.c_str() << std::endl;
return 1;
}
w->release();
if (!checkMeta("test.ptx", sval, dvals, ndvals, ivals, nivals, xval))
return 1;
// add some non-incremental edits, including some large meta data
ndvals = 500;
dvals = (double*)malloc(ndvals * sizeof(dvals[0]));
for (int i = 0; i < ndvals; i++) dvals[i] = i;
w = PtexWriter::edit("test.ptx", false, Ptex::mt_quad, dt, nchan, alpha, nfaces, error);
xval = "another string value";
writeMeta(w, 0, dvals, ndvals, 0, 0, xval);
if (!w->close(error)) {
std::cerr << error.c_str() << std::endl;
return 1;
}
w->release();
if (!checkMeta("test.ptx", sval, dvals, ndvals, ivals, nivals, xval))
return 1;
return 0;
}
