Method OnCollectDrawCalls

Source/Engine/Graphics/RenderTask.cpp:253–320

}

void SceneRenderTask::OnCollectDrawCalls(RenderContextBatch& renderContextBatch, byte category)
{
    // Setup PostFx in the render list
    if (category == SceneRendering::DrawCategory::PreRender)
    {
        const RenderContext& renderContext = renderContextBatch.GetMainContext();
        auto& postFx = renderContext.List->PostFx;

        // Collect all post effects
        if (AllowGlobalCustomPostFx)
        {
            for (PostProcessEffect* fx : GlobalCustomPostFx)
            {
                if (fx && fx->CanRender(renderContext))
                    postFx.Add(fx);
            }
        }
        for (PostProcessEffect* fx : CustomPostFx)
        {
            if (fx && fx->CanRender(renderContext))
                postFx.Add(fx);
        }
        if (const auto* camera = Camera.Get())
        {
            for (Script* script : camera->Scripts)
            {
                auto* fx = Cast<PostProcessEffect>(script);
                if (fx && fx->CanRender(renderContext))
                    postFx.Add(fx);
            }
        }

        // Sort by order
        Sorting::QuickSort(postFx.Get(), postFx.Count(), &SortPostFx);
    }

    // Draw actors (collect draw calls)
    if (EnumHasAllFlags(ActorsSource, ActorsSources::CustomActors))
    {
        if (category == SceneRendering::DrawCategory::PreRender)
        {
            if (_customActorsScene == nullptr)
                _customActorsScene = New<SceneRendering>();
            else
                _customActorsScene->Clear();
            for (Actor* a : CustomActors)
                AddActorToSceneRendering(_customActorsScene, a);
        }
        ASSERT_LOW_LAYER(_customActorsScene);
        _customActorsScene->Draw(renderContextBatch, (SceneRendering::DrawCategory)category);
    }
    if (EnumHasAllFlags(ActorsSource, ActorsSources::CustomScenes))
    {
        for (Scene* scene : CustomScenes)
        {
            if (scene && scene->IsActiveInHierarchy())
                scene->Rendering.Draw(renderContextBatch, (SceneRendering::DrawCategory)category);
        }