Method CanBatch

Source/Engine/Renderer/RenderList.cpp:1180–1198

}

bool SurfaceDrawCallHandler::CanBatch(const DrawCall& a, const DrawCall& b, DrawPass pass)
{
    // TODO: find reason why batching static meshes with lightmap causes problems with sampling in shader (flickering when meshes in batch order gets changes due to async draw calls collection)
    if (a.Surface.Lightmap == nullptr && b.Surface.Lightmap == nullptr &&
        a.Surface.Skinning == nullptr && b.Surface.Skinning == nullptr)
    {
        if (a.Material != b.Material)
        {
            // Batch simple materials during depth-only drawing (when using default vertex shader and no pixel shader)
            if (pass == DrawPass::Depth)
            {
                return IsSimpleMaterial(a.Material->GetInfo()) && IsSimpleMaterial(b.Material->GetInfo());
            }
            return false;
        }
        return true;
    }
    return false;
}