From Ruben, added support for vertex program in .osg loader.

This commit is contained in:
Robert Osfield 2003-07-16 22:26:17 +00:00
parent 2a142c096a
commit 1bf874ec1f
3 changed files with 80 additions and 0 deletions

View File

@ -328,6 +328,10 @@ SOURCE=..\..\..\src\osgPlugins\osg\MatrixTransform.cpp
SOURCE=..\..\..\src\osgPlugins\osg\BlendFunc.cpp
# End Source File
# Begin Source File
SOURCE=..\..\..\src\osgPlugins\osg\VertexProgram.cpp
# End Source File
# End Group
# Begin Group "Header Files"

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@ -60,6 +60,7 @@ CXXFILES =\
TextureRectangle.cpp\
TextureCubeMap.cpp\
Transform.cpp\
VertexProgram.cpp\
LIBS += $(OSG_LIBS) $(OTHER_LIBS)

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@ -0,0 +1,75 @@
#include "osg/VertexProgram"
#include <iostream>
#include <sstream>
#include "osgDB/Registry"
#include "osgDB/Input"
#include "osgDB/Output"
using namespace osg;
using namespace osgDB;
using namespace std;
// forward declare functions to use later.
bool VertexProgram_readLocalData(Object& obj, Input& fr);
bool VertexProgram_writeLocalData(const Object& obj, Output& fw);
// register the read and write functions with the osgDB::Registry.
RegisterDotOsgWrapperProxy g_VertexProgramProxy
(
new osg::VertexProgram,
"VertexProgram",
"Object StateAttribute VertexProgram",
&VertexProgram_readLocalData,
&VertexProgram_writeLocalData
);
bool VertexProgram_readLocalData(Object& obj, Input& fr)
{
bool iteratorAdvanced = false;
VertexProgram& vertexProgram = static_cast<VertexProgram&>(obj);
if (fr.matchSequence("code {")) {
std::string code;
fr += 2;
iteratorAdvanced = true;
int entry = fr[0].getNoNestedBrackets();
while (!fr.eof() && fr[0].getNoNestedBrackets() >= entry) {
if (fr[0].getStr()) {
code.append(std::string(fr[0].getStr()));
code.push_back('\n');
}
++fr;
}
vertexProgram.setVertexProgram(code);
}
return iteratorAdvanced;
}
bool VertexProgram_writeLocalData(const Object& obj,Output& fw)
{
const VertexProgram& vertexProgram = static_cast<const VertexProgram&>(obj);
std::vector<std::string> lines;
std::istringstream iss(vertexProgram.getVertexProgram());
std::string line;
while (std::getline(iss, line)) {
lines.push_back(line);
}
fw.indent() << "code {\n";
fw.moveIn();
std::vector<std::string>::const_iterator j;
for (j=lines.begin(); j!=lines.end(); ++j) {
fw.indent() << "\"" << *j << "\"\n";
}
fw.moveOut();
fw.indent() << "}\n";
return true;
}