Small bug correction in DataPerFaceRender.

include/Algo/Render/GL2/dataPerFaceRender.hpp

@@ -59,7 +59,7 @@ DataPerFaceRender::updateVBO(Utils::VBO& vboPosition, Utils::VBO& vboData, typen
 	std::vector<VEC3> buffer;
 	buffer.reserve(16384);
 
-	std::vector<VEC3> bufferData;
+	std::vector<T> bufferData;
 	bufferData.reserve(16384);
 
 	TraversorCell<typename PFP::MAP, FACE> traFace(map, good);
@@ -91,10 +91,11 @@ DataPerFaceRender::updateVBO(Utils::VBO& vboPosition, Utils::VBO& vboData, typen
 	memcpy(ptrPos,&buffer[0],buffer.size()*sizeof(VEC3));
 	vboPosition.releasePtr();
 
-	vboData.setDataSize(3);
+	assert(sizeof(T) % sizeof(float) == 0 || !"DataPerFaceRender::updateVBO: VBO's only work with data types which are a multiple of 4 bytes") ;
+	vboData.setDataSize(sizeof(T) / sizeof(float)); // Warning : works only for data types of 4 bytes (as do the VBO's)
 	vboData.allocate(bufferData.size());
-	VEC3* ptrCol = reinterpret_cast<VEC3*>(vboData.lockPtr());
-	memcpy(ptrCol,&bufferData[0],bufferData.size()*sizeof(VEC3));
+	T* ptrData = reinterpret_cast<T*>(vboData.lockPtr());
+	memcpy(ptrData,&bufferData[0],bufferData.size()*sizeof(T));
 	vboData.releasePtr();
 }
 
@@ -105,9 +106,6 @@ inline void DataPerFaceRender::draw(Utils::GLSLShader* sh)
 	sh->disableVertexAttribs();
 }
 
-
-
-
 }//end namespace VBO
 
 }//end namespace Algo