Method Render

libs/drape_frontend/render_group.cpp:78–128

}

void RenderGroup::Render(ref_ptr<dp::GraphicsContext> context, ref_ptr<gpu::ProgramManager> mng,
                         ScreenBase const & screen, FrameValues const & frameValues,
                         ref_ptr<DebugRectRenderer> debugRectRenderer)
{
  auto programPtr = mng->GetProgram(screen.isPerspective() ? m_state.GetProgram3d<gpu::Program>()
                                                           : m_state.GetProgram<gpu::Program>());
  ASSERT(programPtr != nullptr, ());
  programPtr->Bind();
  dp::ApplyState(context, programPtr, m_state);

  for (auto & renderBucket : m_renderBuckets)
    renderBucket->GetBuffer()->Build(context, programPtr);

  auto const program = m_state.GetProgram<gpu::Program>();
  auto const program3d = m_state.GetProgram3d<gpu::Program>();

  // Set frame values to group's params.
  frameValues.SetTo(m_params);

  // Set tile-based model-view matrix.
  {
    math::Matrix<float, 4, 4> mv = GetTileKey().GetTileBasedModelView(screen);
    m_params.m_modelView = glsl::make_mat4(mv.m_data);
  }

  auto const & glyphParams = df::VisualParams::Instance().GetGlyphVisualParams();
  if (program == gpu::Program::TextOutlined || program3d == gpu::Program::TextOutlinedBillboard)
  {
    m_params.m_contrastGamma = glsl::vec2(glyphParams.m_outlineContrast, glyphParams.m_outlineGamma);
    m_params.m_isOutlinePass = 1.0f;

    mng->GetParamsSetter()->Apply(context, programPtr, m_params);
    for (auto & renderBucket : m_renderBuckets)
      renderBucket->Render(context, m_state.GetDrawAsLine());

    m_params.m_contrastGamma = glsl::vec2(glyphParams.m_contrast, glyphParams.m_gamma);
    m_params.m_isOutlinePass = 0.0f;
  }
  else if (program == gpu::Program::Text || program3d == gpu::Program::TextBillboard)
  {
    m_params.m_contrastGamma = glsl::vec2(glyphParams.m_contrast, glyphParams.m_gamma);
  }

  mng->GetParamsSetter()->Apply(context, programPtr, m_params);
  for (auto & renderBucket : m_renderBuckets)
    renderBucket->Render(context, m_state.GetDrawAsLine());

  if (debugRectRenderer && debugRectRenderer->IsEnabled())
    for (auto const & renderBucket : m_renderBuckets)
      renderBucket->RenderDebug(context, screen, debugRectRenderer);
}

void RenderGroup::AddBucket(drape_ptr<dp::RenderBucket> && bucket)
{