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0032867: Data Exchange - Implement Draco compression for writing glTF

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Draco compression added in RWGltf_CafWriter class.
This commit is contained in:
ichesnok
2022-03-29 17:02:02 +03:00
committed by smoskvin
parent 4f53e7b37c
commit 3a2ca49b6d
14 changed files with 770 additions and 68 deletions
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81
src/XSDRAWSTLVRML/XSDRAWSTLVRML.cxx
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@@ -44,6 +44,7 @@
#include <Quantity_Color.hxx>
#include <Quantity_HArray1OfColor.hxx>
#include <Quantity_NameOfColor.hxx>
#include <RWGltf_DracoParameters.hxx>
#include <RWGltf_CafReader.hxx>
#include <RWGltf_CafWriter.hxx>
#include <RWMesh_FaceIterator.hxx>
@@ -384,6 +385,7 @@ static Standard_Integer WriteGltf (Draw_Interpretor& theDI,
bool toMergeFaces = false, toSplitIndices16 = false;
RWMesh_NameFormat aNodeNameFormat = RWMesh_NameFormat_InstanceOrProduct;
RWMesh_NameFormat aMeshNameFormat = RWMesh_NameFormat_Product;
RWGltf_DracoParameters aDracoParameters;
for (Standard_Integer anArgIter = 1; anArgIter < theNbArgs; ++anArgIter)
{
TCollection_AsciiString anArgCase (theArgVec[anArgIter]);
@@ -516,6 +518,44 @@ static Standard_Integer WriteGltf (Draw_Interpretor& theDI,
{
toEmbedTexturesInGlb = false;
}
else if (anArgCase == "-draco")
{
aDracoParameters.DracoCompression = Draw::ParseOnOffIterator(theNbArgs, theArgVec, anArgIter);
}
else if (anArgCase == "-compressionlevel" && (anArgIter + 1) < theNbArgs
&& Draw::ParseInteger(theArgVec[anArgIter + 1], aDracoParameters.CompressionLevel))
{
++anArgIter;
}
else if (anArgCase == "-quantizepositionbits" && (anArgIter + 1) < theNbArgs
&& Draw::ParseInteger(theArgVec[anArgIter + 1], aDracoParameters.QuantizePositionBits))
{
++anArgIter;
}
else if (anArgCase == "-quantizenormalbits" && (anArgIter + 1) < theNbArgs
&& Draw::ParseInteger(theArgVec[anArgIter + 1], aDracoParameters.QuantizeNormalBits))
{
++anArgIter;
}
else if (anArgCase == "-quantizetexcoordbits" && (anArgIter + 1) < theNbArgs
&& Draw::ParseInteger(theArgVec[anArgIter + 1], aDracoParameters.QuantizeTexcoordBits))
{
++anArgIter;
}
else if (anArgCase == "-quantizecolorbits" && (anArgIter + 1) < theNbArgs
&& Draw::ParseInteger(theArgVec[anArgIter + 1], aDracoParameters.QuantizeColorBits))
{
++anArgIter;
}
else if (anArgCase == "-quantizegenericbits" && (anArgIter + 1) < theNbArgs
&& Draw::ParseInteger(theArgVec[anArgIter + 1], aDracoParameters.QuantizeGenericBits))
{
++anArgIter;
}
else if (anArgCase == "-unifiedquantization")
{
aDracoParameters.UnifiedQuantization = Draw::ParseOnOffIterator(theNbArgs, theArgVec, anArgIter);
}
else
{
Message::SendFail() << "Syntax error at '" << theArgVec[anArgIter] << "'";
@@ -547,6 +587,7 @@ static Standard_Integer WriteGltf (Draw_Interpretor& theDI,
aWriter.SetToEmbedTexturesInGlb (toEmbedTexturesInGlb);
aWriter.SetMergeFaces (toMergeFaces);
aWriter.SetSplitIndices16 (toSplitIndices16);
aWriter.SetCompressionParameters(aDracoParameters);
aWriter.ChangeCoordinateSystemConverter().SetInputLengthUnit (aScaleFactorM);
aWriter.ChangeCoordinateSystemConverter().SetInputCoordinateSystem (aSystemCoordSys);
aWriter.Perform (aDoc, aFileInfo, aProgress->Start());
@@ -2361,20 +2402,32 @@ void XSDRAWSTLVRML::InitCommands (Draw_Interpretor& theCommands)
__FILE__, ReadGltf, g);
theCommands.Add ("WriteGltf",
"WriteGltf Doc file [-trsfFormat {compact|TRS|mat4}]=compact"
"\n\t\t: [-systemCoordSys {Zup|Yup}]=Zup"
"\n\t\t: [-comments Text] [-author Name]"
"\n\t\t: [-forceUVExport]=0 [-texturesSeparate]=0 [-mergeFaces]=0 [-splitIndices16]=0"
"\n\t\t: [-nodeNameFormat {empty|product|instance|instOrProd|prodOrInst|prodAndInst|verbose}]=instOrProd"
"\n\t\t: [-meshNameFormat {empty|product|instance|instOrProd|prodOrInst|prodAndInst|verbose}]=product"
"\n\t\t: Write XDE document into glTF file."
"\n\t\t: -trsfFormat preferred transformation format"
"\n\t\t: -systemCoordSys system coordinate system; Zup when not specified"
"\n\t\t: -mergeFaces merge Faces within the same Mesh"
"\n\t\t: -splitIndices16 split Faces to keep 16-bit indices when -mergeFaces is enabled"
"\n\t\t: -forceUVExport always export UV coordinates"
"\n\t\t: -texturesSeparate write textures to separate files"
"\n\t\t: -nodeNameFormat name format for Nodes"
"\n\t\t: -meshNameFormat name format for Meshes",
"\n\t\t: [-systemCoordSys {Zup|Yup}]=Zup"
"\n\t\t: [-comments Text] [-author Name]"
"\n\t\t: [-forceUVExport]=0 [-texturesSeparate]=0 [-mergeFaces]=0 [-splitIndices16]=0"
"\n\t\t: [-nodeNameFormat {empty|product|instance|instOrProd|prodOrInst|prodAndInst|verbose}]=instOrProd"
"\n\t\t: [-meshNameFormat {empty|product|instance|instOrProd|prodOrInst|prodAndInst|verbose}]=product"
"\n\t\t: [-draco]=0 [-compressionLevel {0-10}]=7 [-quantizePositionBits Value]=14 [-quantizeNormalBits Value]=10"
"\n\t\t: [-quantizeTexcoordBits Value]=12 [-quantizeColorBits Value]=8 [-quantizeGenericBits Value]=12"
"\n\t\t: [-unifiedQuantization]=0"
"\n\t\t: Write XDE document into glTF file."
"\n\t\t: -trsfFormat preferred transformation format"
"\n\t\t: -systemCoordSys system coordinate system; Zup when not specified"
"\n\t\t: -mergeFaces merge Faces within the same Mesh"
"\n\t\t: -splitIndices16 split Faces to keep 16-bit indices when -mergeFaces is enabled"
"\n\t\t: -forceUVExport always export UV coordinates"
"\n\t\t: -texturesSeparate write textures to separate files"
"\n\t\t: -nodeNameFormat name format for Nodes"
"\n\t\t: -meshNameFormat name format for Meshes"
"\n\t\t: -draco use Draco compression 3D geometric meshes"
"\n\t\t: -compressionLevel draco compression level [0-10] (by default 7), a value of 0 will apply sequential encoding and preserve face order"
"\n\t\t: -quantizePositionBits quantization bits for position attribute when using Draco compression (by default 14)"
"\n\t\t: -quantizeNormalBits quantization bits for normal attribute when using Draco compression (by default 10)"
"\n\t\t: -quantizeTexcoordBits quantization bits for texture coordinate attribute when using Draco compression (by default 12)"
"\n\t\t: -quantizeColorBits quantization bits for color attribute when using Draco compression (by default 8)"
"\n\t\t: -quantizeGenericBits quantization bits for skinning attribute (joint indices and joint weights)"
"\n and custom attributes when using Draco compression (by default 12)"
"\n\t\t: -unifiedQuantization quantization is applied on each primitive separately if this option is false",
__FILE__, WriteGltf, g);
theCommands.Add ("writegltf",
"writegltf shape file",