void AdaptiveGrid::draw(
OpenGLFunctions & gl)
{
gl.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
gl.glEnable(GL_BLEND);
gl.glEnable(GL_DEPTH_TEST);
m_program->bind();
m_vao.bind();
gl.glDrawArrays(GL_LINES, 0, m_size);
m_vao.release();
m_program->release();
gl.glDisable(GL_BLEND);
}
void PolygonalDrawable::draw(OpenGLFunctions & gl)
{
m_vao.bind();
gl.glEnable(GL_DEPTH_TEST);
gl.glEnable(GL_CULL_FACE);
if (m_indices.size())
{
gl.glDrawElements(m_mode, m_indices.size(), GL_UNSIGNED_INT, (void*)0);
}
else
{
gl.glDrawArrays(m_mode, 0, m_vertices.size());
}
gl.glDisable(GL_DEPTH_TEST);
gl.glDisable(GL_CULL_FACE);
}
