add ArrayBuffer::setGeometryData

include/ACGL/OpenGL/Objects/ArrayBuffer.hh

@@ -65,6 +65,9 @@
 namespace ACGL{
 namespace OpenGL{
 
+class GeometryData;
+ACGL_SMARTPOINTER_TYPEDEFS(GeometryData)
+
 class ArrayBuffer : public Buffer
 {
     // ==================================================================================================== \/
@@ -152,6 +155,9 @@ public:
     //! Setting of the stride size explicitly is not needed if the attributes are defined correctly (with padding)
     inline void setStride( GLsizei _stride ) { mStride = _stride; }
 
+    //! Sets all data (attributes, stride, size) to those specified in _geometryData. All previous data are overwritten.
+    void setGeometryData( SharedGeometryData _geometryData );
+
     //! removes all attributes
     inline void removeAttributes(void)
     {

src/ACGL/OpenGL/Objects/ArrayBuffer.cc

@@ -5,6 +5,7 @@
  **********************************************************************/
 
 #include <ACGL/OpenGL/Objects/ArrayBuffer.hh>
+#include <ACGL/OpenGL/Data/GeometryData.hh>
 
 using namespace ACGL;
 using namespace ACGL::OpenGL;
@@ -114,3 +115,16 @@ int32_t ArrayBuffer::getAttributeIndexByName(const std::string& _nameInArray) co
             return (int32_t) i;
     return -1;
 }
+
+void ArrayBuffer::setGeometryData(SharedGeometryData _geometryData)
+{
+    removeAttributes();
+    for(ArrayBuffer::AttributeVec::const_iterator it = _geometryData->mAttributes.begin();
+        it != _geometryData->mAttributes.end();
+        ++it)
+    {
+        defineAttribute(*it);
+    }
+    setStride(_geometryData->getStrideSize());
+    setData(_geometryData->getSize(), _geometryData->getData());
+}