//--------------------------------------------------------------
void ofVbo::setVertexBuffer(ofBufferObject & buffer, int numCoords, int stride, int offset){
positionAttribute.setBuffer(buffer, numCoords, stride, offset);
bUsingVerts = true;
// TODO: Check: we have no perfect way of knowing the new number of total vertices,
// since the buffer does not tell us, so we try to calculate based on the data size
// and the number of coordinates.
totalVerts = buffer.size() / (numCoords * sizeof(float));
}
//--------------------------------------------------------------
void ofVbo::setVertexBuffer(ofBufferObject & buffer, int numCoords, int stride, int offset){
positionAttribute.setBuffer(buffer, numCoords, stride, offset);
bUsingVerts = true;
vaoChanged = true;
// Calculate the total number of vertices based on what we know:
int tmpStride = stride;
if (tmpStride == 0) {
// if stride is not given through argument, we need to calculate it based on
// on the data size and the number of coordinates.
tmpStride = (numCoords * sizeof(float));
if (tmpStride == 0) {
ofLogWarning() << "Setting buffer with 0 vertices.";
totalVerts = 0;
return;
}
}
totalVerts = buffer.size() / tmpStride;
}