TextureDesc LoadTextureFormat(StringSection<::Assets::ResChar> filename)
{
ucs2 wfilename[MaxPath];
Conversion::Convert(wfilename, dimof(wfilename), filename.begin(), filename.end());
auto fmt = GetTexFmt(wfilename);
using namespace DirectX;
TexMetadata metadata;
HRESULT hresult = -1;
if (fmt == TexFmt::DDS) {
hresult = GetMetadataFromDDSFile((const wchar_t*)wfilename, DDS_FLAGS_NONE, metadata);
} else if (fmt == TexFmt::TGA) {
hresult = GetMetadataFromTGAFile((const wchar_t*)wfilename, metadata);
} else if (fmt == TexFmt::WIC) {
hresult = GetMetadataFromWICFile((const wchar_t*)wfilename, WIC_FLAGS_NONE, metadata);
} else {
LogWarning << "Texture format not apparent from filename (" << filename.AsString().c_str() << ")";
}
if (SUCCEEDED(hresult)) {
return BuildTextureDesc(metadata);
}
return TextureDesc::Empty();
}
void Execute(StringSection<char> cmdLine)
{
// We're going to run a simple process that loads a texture file, runs some shader
// process, and then writes out an output file.
// This is a command line app; so our instructions should be on the command line.
// We're going to use a stream formatter & our "Document" asbtraction to interpret
// the command line.
// We could replace the formatter with a version specialized for
// command lines if we wanted a unix style command line syntax (and, actually, some
// syntax elements of this formatter [like ';'] might conflict on some OSs.
MemoryMappedInputStream stream(cmdLine.begin(), cmdLine.end());
InputStreamFormatter<char> formatter(stream);
Document<InputStreamFormatter<char>> doc(formatter);
auto outputFile = doc.Attribute("o").Value();
auto shader = doc.Attribute("s").Value();
if (outputFile.Empty() || shader.Empty()) {
return;
}
auto xleDir = GetEnv("XLE_DIR");
if (xleDir.empty()) {
LogAlwaysError << "XLE_DIR environment variable isn't set. Expecting this to be set to root XLE directory";
LogAlwaysError << "This program loads shaders from the $(XLE_DIR)\\Working\\Game\\xleres folder";
return;
}
// we can now construct basic services
auto cleanup = MakeAutoCleanup([]() {
TerminateFileSystemMonitoring();
});
auto device = RenderCore::CreateDevice();
Samples::MinimalAssetServices services(device.get());
// We need to think about SRGB modes... do we want to do the processing in
// linear or SRGB space? So we want to write out a linear or SRB texture?
auto shaderParameters = CreateParameterBox(doc.Element("p"));
auto resultTexture = ExecuteTransform(
*device, MakeStringSection(xleDir), shader, shaderParameters,
{
{ "Sky", HosekWilkieSky },
{ "Compress", CompressTexture }
});
if (!resultTexture._pkt) {
LogAlwaysError << "Error while performing texture transform";
return;
}
// save "readback" as an output texture.
// We will write a uncompressed format; normally a second command line
// tool will be used to compress the result.
resultTexture.Save(outputFile.AsString().c_str());
}
std::shared_ptr<DependencyValidation> Store::WriteDependencies(
const ResChar intermediateFileName[],
StringSection<ResChar> baseDir,
IteratorRange<const DependentFileState*> deps,
bool makeDepValidation) const
{
Data data;
std::shared_ptr<DependencyValidation> result;
if (makeDepValidation)
result = std::make_shared<DependencyValidation>();
// we have to write the base directory to the dependencies file as well
// to keep it short, most filenames should be expressed as relative files
char buffer[MaxPath];
data.SetAttribute("BasePath", baseDir.AsString().c_str());
SplitPath<ResChar> baseSplitPath(baseDir);
auto dependenciesBlock = std::make_unique<Data>("Dependencies");
for (auto& s:deps) {
auto c = std::make_unique<Data>();
auto relPath = MakeRelativePath(
baseSplitPath,
SplitPath<ResChar>(s._filename));
c->SetValue(relPath.c_str());
if (s._status != DependentFileState::Status::Shadowed) {
c->SetAttribute("ModTimeH", (int)(s._timeMarker>>32ull));
c->SetAttribute("ModTimeL", (int)(s._timeMarker));
}
dependenciesBlock->Add(c.release());
if (makeDepValidation) RegisterFileDependency(result, s._filename.c_str());
}
void PushString(
std::basic_streambuf<OutChar>& stream,
StringSection<InChar> input)
{
// String conversion process results in several redundant allocations. It's not perfectly
// efficient
using OutputString = std::basic_string<OutChar>;
auto converted = Conversion::Convert<OutputString>(input.AsString());
stream.sputn(AsPointer(converted.begin()), converted.size());
}
void DirectorySearchRules::AddSearchDirectory(StringSection<ResChar> dir)
{
// Attempt to fit this directory into our buffer.
// note that we have limited space in the buffer, but we can't really
// rely on all directory names remaining small and convenient... If we
// overflow our fixed size buffer, we can use the dynamically
// allocated "_bufferOverflow"
assert((_startPointCount+1) <= dimof(_startOffsets));
if ((_startPointCount+1) > dimof(_startOffsets)) {
// limited number of directories that can be pushed into a single "search rules"
// this allows us to avoid a little bit of awkward dynamic memory allocation
return;
}
// Check for duplicates
// Duplicates are bad because they will increase the number of search operations
if (HasDirectory(dir)) return;
unsigned allocationLength = (unsigned)(dir.Length() + 1);
if (_bufferOverflow.empty() && (_bufferUsed + allocationLength <= dimof(_buffer))) {
// just append this new string to our buffer, and add a new start offset
XlCopyMemory(&_buffer[_bufferUsed], dir.begin(), (allocationLength-1) * sizeof(ResChar));
_buffer[_bufferUsed+allocationLength-1] = '\0';
} else {
if (_bufferOverflow.empty()) {
_bufferOverflow.resize(_bufferUsed + allocationLength);
XlCopyMemory(AsPointer(_bufferOverflow.begin()), _buffer, _bufferUsed * sizeof(ResChar));
XlCopyMemory(PtrAdd(AsPointer(_bufferOverflow.begin()), _bufferUsed * sizeof(ResChar)), dir.begin(), (allocationLength-1) * sizeof(ResChar));
_bufferOverflow[_bufferUsed+allocationLength-1] = '\0';
} else {
assert(_bufferOverflow.size() == allocationLength);
auto i = _bufferOverflow.insert(_bufferOverflow.end(), dir.begin(), dir.end());
_bufferOverflow.insert(i + dir.Length(), 0);
}
}
_startOffsets[_startPointCount++] = _bufferUsed;
_bufferUsed += allocationLength;
}
intrusive_ptr<DataPacket> CreateStreamingTextureSource(
StringSection<::Assets::ResChar> filename, TextureLoadFlags::BitField flags)
{
return make_intrusive<StreamingTexture>(filename.begin(), filename.end(), flags);
}
PreparedSkinFile::PreparedSkinFile(const ColladaScaffold& input, const VisualScene& scene, StringSection<utf8> rootNode)
{
using namespace RenderCore::ColladaConversion;
SkeletonRegistry jointRefs;
ReferencedGeometries refGeos;
bool gatherSuccess = refGeos.Gather(scene.GetRootNode(), rootNode, jointRefs);
if (!gatherSuccess) {
StringMeld<1024> meld;
using ::operator<<;
meld << "Error while looking for root node: " << rootNode.AsString().c_str() << ". Known nodes: ";
auto nodes = scene.GetRootNode().FindAllBreadthFirst([](const Node& n) { return true;});
for (unsigned c=0; c<nodes.size(); ++c) {
if (c!=0) meld << ", ";
meld << nodes[c].GetName().AsString().c_str();
}
Throw(::Assets::Exceptions::FormatError(meld.get()));
}
// The skeleton joints won't be included in the skeleton
// until we call FindSkinJoints. We don't really need the
// full skeleton embedded in the skin file... When the skeleton
// is not there, we will just see the model in the bind pose.
// But it can be handy to be there for previewing models quickly.
refGeos.FindSkinJoints(scene, input._resolveContext, jointRefs);
// We can now build the skeleton (because ReferencedGeometries::Gather
// has initialised jointRefs.
unsigned topLevelPops = 0;
auto coordinateTransform = BuildCoordinateTransform(input._doc->GetAssetDesc());
if (!Equivalent(coordinateTransform, Identity<Float4x4>(), 1e-5f)) {
// Push on the coordinate transform (if there is one)
// This should be optimised into other matrices (or even into
// the geometry) when we perform the skeleton optimisation steps.
topLevelPops = _skeleton.GetTransformationMachine().PushTransformation(
coordinateTransform);
}
// When extracting an internal node, we ignore the transform
// on that internal node
BuildSkeleton(_skeleton, scene.GetRootNode(), rootNode, jointRefs, false);
_skeleton.GetTransformationMachine().Pop(topLevelPops);
// For each output matrix, we want to know if we can merge a transformation into it.
// We can only do this if (unskinned) geometry instances are attached -- and those
// geometry instances must be attached in only one place. If the output transform does
// not have a geometry instance attached, or if any of the geometry instances are
// attached to more than one matrix, or if something other than a geometry instance is
// attached, then we cannot do any merging.
TransMachineOptimizer optimizer(refGeos, _skeleton.GetTransformationMachine().GetOutputMatrixCount(), scene);
_skeleton.GetTransformationMachine().Optimize(optimizer);
// We can try to optimise the skeleton here. We should collect the list
// of meshes that we can optimise transforms into (ie, meshes that aren't
// used in multiple places, and that aren't skinned).
// We need to collect that list of transforms before we actually instantiate
// the geometry -- so that merging in the changes can be done in the instantiate
// step.
for (auto c:refGeos._meshes) {
TRY {
_cmdStream.Add(
RenderCore::ColladaConversion::InstantiateGeometry(
scene.GetInstanceGeometry(c._objectIndex),
c._outputMatrixIndex, optimizer.GetMergedOutputMatrix(c._outputMatrixIndex),
c._levelOfDetail,
input._resolveContext, _geoObjects, jointRefs,
input._cfg));
} CATCH(const std::exception& e) {
LogWarning << "Got exception while instantiating geometry (" << scene.GetInstanceGeometry(c._objectIndex)._reference.AsString().c_str() << "). Exception details:";
LogWarning << e.what();
} CATCH(...) {
LogWarning << "Got unknown exception while instantiating geometry (" << scene.GetInstanceGeometry(c._objectIndex)._reference.AsString().c_str() << ").";
} CATCH_END
void PushString(
std::basic_streambuf<OutChar>& stream,
StringSection<InChar> input)
{
stream.sputn((const OutChar*)input.begin(), input.Length());
}
void FileOutputStream::Write(StringSection<ucs4> s)
{
_file.Write(s.begin(), sizeof(*s.begin()), s.Length());
}
