int Drawer::begin(GLenum mode)
{
int res = int(m_begins.size());
if (mode == GL_POINTS)
m_begins.push_back(PrimParam(uint32(m_dataPos.size()), mode, m_currentSize));
else
m_begins.push_back(PrimParam(uint32(m_dataPos.size()), mode, m_currentWidth));
return res;
}
void DisplayListDrawer::begin(GLenum mode)
{
switch (mode)
{
case GL_POINTS:
if (current_ball_)
{
begins_balls_.push_back(PrimParam(data_pos_.size(), mode, current_size_, false));
current_begin_ = &begins_balls_;
}
else if (current_size_ > 2.0f)
{
begins_round_point_.push_back(PrimParam(data_pos_.size(), mode, current_size_, current_aa_));
current_begin_ = &begins_round_point_;
}
else
{
begins_point_.push_back(PrimParam(data_pos_.size(), mode, current_size_, false));
current_begin_ = &begins_point_;
}
break;
case GL_LINES:
case GL_LINE_STRIP:
case GL_LINE_LOOP:
if (current_size_ > 1.0f)
{
begins_bold_line_.push_back(PrimParam(data_pos_.size(), mode, current_size_, current_aa_));
current_begin_ = &begins_bold_line_;
}
else
{
begins_line_.push_back(PrimParam(data_pos_.size(), mode, 1.0f, current_aa_));
current_begin_ = &begins_line_;
}
break;
default:
begins_face_.push_back(PrimParam(data_pos_.size(), mode, 1.0f, false));
current_begin_ = &begins_face_;
break;
}
}