void RunTest (std::string const & src, std::string const & password, std::ostream & out)
{
std::string cypher;
{
Crypt::Streamer streamer (password);
streamer.SetInput (&src [0], src.size ());
std::ostringstream out;
streamer.Encrypt (out);
cypher = out.str ();
}
std::string decoded;
{
Crypt::Streamer streamer (password);
streamer.SetInput (&cypher [0], cypher.size ());
std::ostringstream out;
streamer.Decrypt (out);
decoded = out.str ();
}
Assert (decoded.size () == src.size ());
Assert (decoded == src);
}
//static
LLSD LLModel::writeModel(
std::ostream& ostr,
LLModel* physics,
LLModel* high,
LLModel* medium,
LLModel* low,
LLModel* impostor,
const LLModel::Decomposition& decomp,
BOOL upload_skin,
BOOL upload_joints,
BOOL nowrite,
BOOL as_slm,
int submodel_id)
{
LLSD mdl;
LLModel* model[] =
{
impostor,
low,
medium,
high,
physics
};
bool skinning = upload_skin && high && !high->mSkinWeights.empty();
if (skinning)
{ //write skinning block
mdl["skin"] = high->mSkinInfo.asLLSD(upload_joints);
}
if (!decomp.mBaseHull.empty() ||
!decomp.mHull.empty())
{
mdl["physics_convex"] = decomp.asLLSD();
if (!decomp.mHull.empty() && !as_slm)
{ //convex decomposition exists, physics mesh will not be used (unless this is an slm file)
model[LLModel::LOD_PHYSICS] = NULL;
}
}
else if (submodel_id)
{
const LLModel::Decomposition fake_decomp;
mdl["secondary"] = true;
mdl["submodel_id"] = submodel_id;
mdl["physics_convex"] = fake_decomp.asLLSD();
model[LLModel::LOD_PHYSICS] = NULL;
}
if (as_slm)
{ //save material list names
for (U32 i = 0; i < high->mMaterialList.size(); ++i)
{
mdl["material_list"][i] = high->mMaterialList[i];
}
}
for (U32 idx = 0; idx < MODEL_NAMES_LENGTH; ++idx)
{
if (model[idx] && (model[idx]->getNumVolumeFaces() > 0) && model[idx]->getVolumeFace(0).mPositions != NULL)
{
LLVector3 min_pos = LLVector3(model[idx]->getVolumeFace(0).mPositions[0].getF32ptr());
LLVector3 max_pos = min_pos;
//find position domain
for (S32 i = 0; i < model[idx]->getNumVolumeFaces(); ++i)
{ //for each face
const LLVolumeFace& face = model[idx]->getVolumeFace(i);
for (U32 j = 0; j < (U32)face.mNumVertices; ++j)
{
update_min_max(min_pos, max_pos, face.mPositions[j].getF32ptr());
}
}
LLVector3 pos_range = max_pos - min_pos;
for (S32 i = 0; i < model[idx]->getNumVolumeFaces(); ++i)
{ //for each face
const LLVolumeFace& face = model[idx]->getVolumeFace(i);
if (face.mNumVertices < 3)
{ //don't export an empty face
mdl[model_names[idx]][i]["NoGeometry"] = true;
continue;
}
LLSD::Binary verts(face.mNumVertices*3*2);
LLSD::Binary tc(face.mNumVertices*2*2);
LLSD::Binary normals(face.mNumVertices*3*2);
LLSD::Binary indices(face.mNumIndices*2);
U32 vert_idx = 0;
U32 norm_idx = 0;
U32 tc_idx = 0;
LLVector2* ftc = (LLVector2*) face.mTexCoords;
LLVector2 min_tc;
LLVector2 max_tc;
if (ftc)
{
min_tc = ftc[0];
max_tc = min_tc;
//get texture coordinate domain
for (U32 j = 0; j < (U32)face.mNumVertices; ++j)
{
update_min_max(min_tc, max_tc, ftc[j]);
}
}
LLVector2 tc_range = max_tc - min_tc;
for (U32 j = 0; j < (U32)face.mNumVertices; ++j)
{ //for each vert
F32* pos = face.mPositions[j].getF32ptr();
//position
for (U32 k = 0; k < 3; ++k)
{ //for each component
//convert to 16-bit normalized across domain
U16 val = (U16) (((pos[k]-min_pos.mV[k])/pos_range.mV[k])*65535);
U8* buff = (U8*) &val;
//write to binary buffer
verts[vert_idx++] = buff[0];
verts[vert_idx++] = buff[1];
}
if (face.mNormals)
{ //normals
F32* norm = face.mNormals[j].getF32ptr();
for (U32 k = 0; k < 3; ++k)
{ //for each component
//convert to 16-bit normalized
U16 val = (U16) ((norm[k]+1.f)*0.5f*65535);
U8* buff = (U8*) &val;
//write to binary buffer
normals[norm_idx++] = buff[0];
normals[norm_idx++] = buff[1];
}
}
//texcoord
if (face.mTexCoords)
{
F32* src_tc = (F32*) face.mTexCoords[j].mV;
for (U32 k = 0; k < 2; ++k)
{ //for each component
//convert to 16-bit normalized
U16 val = (U16) ((src_tc[k]-min_tc.mV[k])/tc_range.mV[k]*65535);
U8* buff = (U8*) &val;
//write to binary buffer
tc[tc_idx++] = buff[0];
tc[tc_idx++] = buff[1];
}
}
}
U32 idx_idx = 0;
for (U32 j = 0; j < (U32)face.mNumIndices; ++j)
{
U8* buff = (U8*) &(face.mIndices[j]);
indices[idx_idx++] = buff[0];
indices[idx_idx++] = buff[1];
}
//write out face data
mdl[model_names[idx]][i]["PositionDomain"]["Min"] = min_pos.getValue();
mdl[model_names[idx]][i]["PositionDomain"]["Max"] = max_pos.getValue();
mdl[model_names[idx]][i]["Position"] = verts;
if (face.mNormals)
{
mdl[model_names[idx]][i]["Normal"] = normals;
}
if (face.mTexCoords)
{
mdl[model_names[idx]][i]["TexCoord0Domain"]["Min"] = min_tc.getValue();
mdl[model_names[idx]][i]["TexCoord0Domain"]["Max"] = max_tc.getValue();
mdl[model_names[idx]][i]["TexCoord0"] = tc;
}
mdl[model_names[idx]][i]["TriangleList"] = indices;
if (skinning)
{
//write out skin weights
//each influence list entry is up to 4 24-bit values
// first 8 bits is bone index
// last 16 bits is bone influence weight
// a bone index of 0xFF signifies no more influences for this vertex
std::stringstream ostr;
for (U32 j = 0; j < (U32)face.mNumVertices; ++j)
{
LLVector3 pos(face.mPositions[j].getF32ptr());
weight_list& weights = high->getJointInfluences(pos);
S32 count = 0;
for (weight_list::iterator iter = weights.begin(); iter != weights.end(); ++iter)
{
if (iter->mJointIdx < 255 && iter->mJointIdx >= 0)
{
U8 idx = (U8) iter->mJointIdx;
ostr.write((const char*) &idx, 1);
U16 influence = (U16) (iter->mWeight*65535);
ostr.write((const char*) &influence, 2);
++count;
}
}
U8 end_list = 0xFF;
if (count < 4)
{
ostr.write((const char*) &end_list, 1);
}
}
//copy ostr to binary buffer
std::string data = ostr.str();
const U8* buff = (U8*) data.data();
U32 bytes = data.size();
LLSD::Binary w(bytes);
for (U32 j = 0; j < bytes; ++j)
{
w[j] = buff[j];
}
mdl[model_names[idx]][i]["Weights"] = w;
}
}
}
}
return writeModelToStream(ostr, mdl, nowrite, as_slm);
}
void print_in_readelf_style(std::ostream& s, const encap::frame_instrlist& instrs, Dwarf_Addr initial_loc)
{
Dwarf_Addr loc = initial_loc;
auto reg = [](int regnum) {
std::ostringstream s;
s << "r" << regnum << " (" << dwarf_regnames_for_elf_machine(elf_machine)[regnum]
<< ")";
return s.str();
};
for (auto i_instr = instrs.begin(); i_instr != instrs.end(); ++i_instr)
{
const char *opcode_name;
int encoded_opcode = i_instr->fp_base_op << 6 | i_instr->fp_extended_op;
int ret = lib::dwarf_get_CFA_name(encoded_opcode, &opcode_name);
assert(ret == DW_DLV_OK);
if (string(opcode_name) == "DW_CFA_extended") opcode_name = "DW_CFA_nop";
s << " " << opcode_name;
switch (encoded_opcode)
{
// "packed" two-bit opcodes
case DW_CFA_advance_loc:
case DW_CFA_advance_loc1:
case DW_CFA_advance_loc2:
case DW_CFA_advance_loc4:
loc += i_instr->fp_offset_or_block_len;
s << ": " << i_instr->fp_offset_or_block_len << " to " << setw(16) << setfill('0') << std::hex << loc << std::dec;
break;
case DW_CFA_offset:
s << ": " << reg(i_instr->fp_register)
<< " at cfa" << std::showpos << (lib::Dwarf_Signed)(i_instr->fp_offset_or_block_len) << std::noshowpos;
break;
case DW_CFA_restore_extended: goto register_only;
case DW_CFA_undefined: goto register_only;
case DW_CFA_same_value: goto register_only;
case DW_CFA_def_cfa_register: goto register_only;
case DW_CFA_restore: goto register_only;
register_only:
s << ": " << reg(i_instr->fp_register);
break;
// DW_CFA_extended and DW_CFA_nop are the same value, BUT
case DW_CFA_nop: goto no_args; // this is a full zero byte
// extended opcodes follow
case DW_CFA_remember_state: goto no_args;
case DW_CFA_restore_state: goto no_args;
no_args:
break;
case DW_CFA_set_loc:
goto unsupported_for_now; // FIXME
break;
case DW_CFA_offset_extended_sf: goto register_and_offset;
case DW_CFA_def_cfa_sf: goto register_and_offset;
case DW_CFA_register: goto register_and_offset;
case DW_CFA_offset_extended: goto register_and_offset;
case DW_CFA_def_cfa: goto register_and_offset;
case DW_CFA_val_offset: goto register_and_offset;
case DW_CFA_val_offset_sf: goto register_and_offset;
register_and_offset: // FIXME: second register goes where? I've put it in fp_offset_or_block_len
s << ": " << reg(i_instr->fp_register) << " ofs " << i_instr->fp_offset_or_block_len;
break;
case DW_CFA_def_cfa_offset_sf: goto offset_only;
case DW_CFA_def_cfa_offset: goto offset_only;
offset_only:
s << ": " << i_instr->fp_offset_or_block_len;
break;
case DW_CFA_expression:
goto unsupported_for_now; // FIXME
case DW_CFA_def_cfa_expression: goto expression;
case DW_CFA_val_expression: goto expression;
expression:
s << " (";
print_in_readelf_style(s, encap::loc_expr(dbg, i_instr->fp_expr_block, i_instr->fp_offset_or_block_len));
s << ")";
break;
default: goto unsupported_for_now;
unsupported_for_now:
s << "FIXME";
break;
}
s << endl;
}
}