Merge pull request The-OpenROAD-Project#4661 from AcKoucher/mpl2_debu…

…gger

mpl2: use different color for different types of clusters in debug

src/mpl2/src/graphics.cpp

@@ -254,11 +254,12 @@ void Graphics::drawObjects(gui::Painter& painter)
     drawAllBlockages(painter);
   }
 
-  painter.setPen(gui::Painter::yellow, true);
-  painter.setBrush(gui::Painter::gray);
+  painter.setPen(gui::Painter::white, true);
 
   int i = 0;
   for (const auto& macro : soft_macros_) {
+    setSoftMacroBrush(painter, macro);
+
     const int lx = dbu_ * macro.getX();
     const int ly = dbu_ * macro.getY();
     const int ux = lx + dbu_ * macro.getWidth();
@@ -274,6 +275,9 @@ void Graphics::drawObjects(gui::Painter& painter)
                        std::to_string(i++));
   }
 
+  painter.setPen(gui::Painter::white, true);
+  painter.setBrush(gui::Painter::dark_red);
+
   i = 0;
   for (const auto& macro : hard_macros_) {
     const int lx = dbu_ * macro.getX();
@@ -337,6 +341,26 @@ void Graphics::drawObjects(gui::Painter& painter)
   }
 }
 
+// Give some transparency to mixed and hard so we can see overlap with
+// macro blockages.
+void Graphics::setSoftMacroBrush(gui::Painter& painter,
+                                 const SoftMacro& soft_macro)
+{
+  if (soft_macro.getCluster() == nullptr) {  // fixed terminals
+    return;
+  }
+
+  if (soft_macro.getCluster()->getClusterType() == StdCellCluster) {
+    painter.setBrush(gui::Painter::dark_blue);
+  } else if (soft_macro.getCluster()->getClusterType() == HardMacroCluster) {
+    // dark red
+    painter.setBrush(gui::Painter::Color(0x80, 0x00, 0x00, 150));
+  } else {
+    // dark purple
+    painter.setBrush(gui::Painter::Color(0x80, 0x00, 0x80, 150));
+  }
+}
+
 void Graphics::setMacroBlockages(const std::vector<mpl2::Rect>& macro_blockages)
 {
   macro_blockages_ = macro_blockages;

src/mpl2/src/graphics.h

@@ -88,6 +88,7 @@ class Graphics : public gui::Renderer, public Mpl2Observer
   void drawCluster(Cluster* cluster, gui::Painter& painter);
   void drawAllBlockages(gui::Painter& painter);
   void drawBlockage(const Rect& blockage, gui::Painter& painter);
+  void setSoftMacroBrush(gui::Painter& painter, const SoftMacro& soft_macro);
 
   template <typename T>
   void report(const char* name, const std::optional<T>& value);