Implement assignment operator for ProgramData

[libs/gl.git] / source / programdata.cpp

diff --git a/source/programdata.cpp b/source/programdata.cpp
index ded9f8a7bb242c38f5606b9cc1dce7bef67d4b2a..69fcdbe0e91fca03b968f355ef397dbaaae273de 100644 (file)
--- a/source/programdata.cpp
+++ b/source/programdata.cpp
@@ -33,6 +33,24 @@ ProgramData::ProgramData(const ProgramData &other):
                i->second = i->second->clone();
 }
 
+ProgramData &ProgramData::operator=(const ProgramData &other)
+{
+       for(UniformMap::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
+               delete i->second;
+       uniforms.clear();
+
+       for(UniformMap::const_iterator i=other.uniforms.begin(); i!=other.uniforms.end(); ++i)
+               uniforms.insert(uniforms.end(), UniformMap::value_type(i->first, i->second->clone()));
+
+       for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
+               delete i->second.block;
+       blocks.clear();
+
+       changes = NO_CHANGES;
+
+       return *this;
+}
+
 ProgramData::~ProgramData()
 {
        for(UniformMap::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)