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); }