diff --git a/app/node/generator/shape/shapenode.cpp b/app/node/generator/shape/shapenode.cpp
index 3da5f51a3..a0aeb7b03 100644
--- a/app/node/generator/shape/shapenode.cpp
+++ b/app/node/generator/shape/shapenode.cpp
@@ -63,9 +63,11 @@ void ShapeNode::Retranslate()
 
 ShaderCode ShapeNode::GetShaderCode(const QString &shader_id) const
 {
-  Q_UNUSED(shader_id)
-
-  return ShaderCode(FileFunctions::ReadFileAsString(QStringLiteral(":/shaders/shape.frag")));
+  if (shader_id == QStringLiteral("shape")) {
+    return ShaderCode(FileFunctions::ReadFileAsString(QStringLiteral(":/shaders/shape.frag")));
+  } else {
+    return super::GetShaderCode(shader_id);
+  }
 }
 
 void ShapeNode::Value(const NodeValueRow &value, const NodeGlobals &globals, NodeValueTable *table) const
@@ -75,8 +77,22 @@ void ShapeNode::Value(const NodeValueRow &value, const NodeGlobals &globals, Nod
   job.InsertValue(value);
   job.InsertValue(QStringLiteral("resolution_in"), NodeValue(NodeValue::kVec2, globals.resolution(), this));
   job.SetAlphaChannelRequired(GenerateJob::kAlphaForceOn);
+  job.SetShaderID(QStringLiteral("shape"));
 
-  table->Push(NodeValue::kTexture, QVariant::fromValue(job), this);
+  if (!value[kBaseInput].data().isNull()) {
+    // Push as merge node
+    ShaderJob merge;
+
+    merge.SetShaderID(QStringLiteral("mrg"));
+    merge.InsertValue(MergeNode::kBaseIn, value[kBaseInput]);
+    merge.InsertValue(MergeNode::kBlendIn, NodeValue(NodeValue::kTexture, QVariant::fromValue(job), this));
+    merge.SetAlphaChannelRequired(GenerateJob::kAlphaForceOn);
+
+    table->Push(NodeValue::kTexture, QVariant::fromValue(merge), this);
+  } else {
+    // Just push generate job
+    table->Push(NodeValue::kTexture, QVariant::fromValue(job), this);
+  }
 }
 
 }
diff --git a/app/node/generator/shape/shapenodebase.cpp b/app/node/generator/shape/shapenodebase.cpp
index 15a262f29..aa0625957 100644
--- a/app/node/generator/shape/shapenodebase.cpp
+++ b/app/node/generator/shape/shapenodebase.cpp
@@ -30,12 +30,14 @@ namespace olive {
 
 #define super Node
 
-QString ShapeNodeBase::kPositionInput = QStringLiteral("pos_in");
-QString ShapeNodeBase::kSizeInput = QStringLiteral("size_in");
-QString ShapeNodeBase::kColorInput = QStringLiteral("color_in");
+const QString ShapeNodeBase::kBaseInput = QStringLiteral("base_in");
+const QString ShapeNodeBase::kPositionInput = QStringLiteral("pos_in");
+const QString ShapeNodeBase::kSizeInput = QStringLiteral("size_in");
+const QString ShapeNodeBase::kColorInput = QStringLiteral("color_in");
 
 ShapeNodeBase::ShapeNodeBase(bool create_color_input)
 {
+  AddInput(kBaseInput, NodeValue::kTexture, InputFlags(kInputFlagNotKeyframable));
   AddInput(kPositionInput, NodeValue::kVec2, QVector2D(0, 0));
   AddInput(kSizeInput, NodeValue::kVec2, QVector2D(100, 100));
   SetInputProperty(kSizeInput, QStringLiteral("min"), QVector2D(0, 0));
@@ -58,6 +60,9 @@ ShapeNodeBase::ShapeNodeBase(bool create_color_input)
   for (int i=0; i<kGizmoScaleCount; i++) {
     point_gizmo_[i] = AddDraggableGizmo<PointGizmo>(pos_n_sz, PointGizmo::kAbsolute);
   }
+
+  SetEffectInput(kBaseInput);
+  SetFlags(kVideoEffect);
 }
 
 void ShapeNodeBase::Retranslate()
@@ -102,6 +107,15 @@ void ShapeNodeBase::UpdateGizmoPositions(const NodeValueRow &row, const NodeGlob
   poly_gizmo_->SetPolygon(QRectF(left_pt, top_pt, right_pt - left_pt, bottom_pt - top_pt));
 }
 
+ShaderCode ShapeNodeBase::GetShaderCode(const QString &shader_id) const
+{
+  if (shader_id == QStringLiteral("mrg")) {
+    return ShaderCode(FileFunctions::ReadFileAsString(":/shaders/alphaover.frag"));
+  }
+
+  return ShaderCode();
+}
+
 void ShapeNodeBase::GizmoDragMove(double x, double y, const Qt::KeyboardModifiers &modifiers)
 {
   DraggableGizmo *gizmo = static_cast<DraggableGizmo*>(sender());
diff --git a/app/node/generator/shape/shapenodebase.h b/app/node/generator/shape/shapenodebase.h
index d7529eff0..4079ad3c3 100644
--- a/app/node/generator/shape/shapenodebase.h
+++ b/app/node/generator/shape/shapenodebase.h
@@ -24,6 +24,7 @@
 #include "node/gizmo/point.h"
 #include "node/gizmo/polygon.h"
 #include "node/inputdragger.h"
+#include "node/math/merge/merge.h"
 #include "node/node.h"
 
 namespace olive {
@@ -40,9 +41,12 @@ public:
 
   virtual void UpdateGizmoPositions(const NodeValueRow &row, const NodeGlobals &globals) override;
 
-  static QString kPositionInput;
-  static QString kSizeInput;
-  static QString kColorInput;
+  virtual ShaderCode GetShaderCode(const QString &shader_id) const override;
+
+  static const QString kBaseInput;
+  static const QString kPositionInput;
+  static const QString kSizeInput;
+  static const QString kColorInput;
 
 protected:
   PolygonGizmo *poly_gizmo() const
diff --git a/app/node/generator/text/textv3.cpp b/app/node/generator/text/textv3.cpp
index fc3d5e5bf..af36e74b6 100644
--- a/app/node/generator/text/textv3.cpp
+++ b/app/node/generator/text/textv3.cpp
@@ -76,6 +76,7 @@ void TextGeneratorV3::Retranslate()
   super::Retranslate();
 
   SetInputName(kTextInput, tr("Text"));
+  SetInputName(kBaseInput, tr("Base"));
 }
 
 void TextGeneratorV3::Value(const NodeValueRow &value, const NodeGlobals &globals, NodeValueTable *table) const
@@ -89,7 +90,22 @@ void TextGeneratorV3::Value(const NodeValueRow &value, const NodeGlobals &global
   job.SetColorspace(project()->color_manager()->GetDefaultInputColorSpace());
 
   if (!job.GetValue(kTextInput).data().toString().isEmpty()) {
-    table->Push(NodeValue::kTexture, QVariant::fromValue(job), this);
+    if (!value[kBaseInput].data().isNull()) {
+      // Push as merge node
+      ShaderJob merge;
+
+      merge.SetShaderID(QStringLiteral("mrg"));
+      merge.InsertValue(MergeNode::kBaseIn, value[kBaseInput]);
+      merge.InsertValue(MergeNode::kBlendIn, NodeValue(NodeValue::kTexture, QVariant::fromValue(job), this));
+      merge.SetAlphaChannelRequired(GenerateJob::kAlphaForceOn);
+
+      table->Push(NodeValue::kTexture, QVariant::fromValue(merge), this);
+    } else {
+      // Just push generate job
+      table->Push(NodeValue::kTexture, QVariant::fromValue(job), this);
+    }
+  } else if (!value[kBaseInput].data().isNull()) {
+    table->Push(value[kBaseInput]);
   }
 }
 
diff --git a/app/node/traverser.cpp b/app/node/traverser.cpp
index a620c3fa8..1d80fca63 100644
--- a/app/node/traverser.cpp
+++ b/app/node/traverser.cpp
@@ -52,7 +52,7 @@ NodeValueRow NodeTraverser::GenerateRow(NodeValueDatabase *database, const Node
     row.insert(it.key(), value);
   }
 
-  PreProcessRow(node, range, row);
+  PreProcessRow(range, row);
 
   return row;
 }
@@ -353,7 +353,7 @@ QVector2D NodeTraverser::GenerateResolution() const
   return QVector2D(video_params_.square_pixel_width(), video_params_.height());
 }
 
-void NodeTraverser::PreProcessRow(const Node *node, const TimeRange &range, NodeValueRow &row)
+void NodeTraverser::PreProcessRow(const TimeRange &range, NodeValueRow &row)
 {
   QByteArray cached_node_hash;
 
@@ -381,11 +381,15 @@ void NodeTraverser::PreProcessRow(const Node *node, const TimeRange &range, Node
 
       if (v.canConvert<ShaderJob>()) {
 
-        val.set_data(QVariant::fromValue(ProcessShader(val.source(), range, v.value<ShaderJob>())));
+        ShaderJob job = v.value<ShaderJob>();
+        PreProcessRow(range, job.GetValues());
+        val.set_data(QVariant::fromValue(ProcessShader(val.source(), range, job)));
 
       } else if (v.canConvert<GenerateJob>()) {
 
-        val.set_data(QVariant::fromValue(ProcessFrameGeneration(val.source(), v.value<GenerateJob>())));
+        GenerateJob job = v.value<GenerateJob>();
+        PreProcessRow(range, job.GetValues());
+        val.set_data(QVariant::fromValue(ProcessFrameGeneration(val.source(), job)));
 
       } else if (v.canConvert<FootageJob>()) {
 
@@ -406,7 +410,7 @@ void NodeTraverser::PreProcessRow(const Node *node, const TimeRange &range, Node
 
       } else if (v.canConvert<SampleJob>()) {
 
-        val.set_data(QVariant::fromValue(ProcessSamples(node, range, v.value<SampleJob>())));
+        val.set_data(QVariant::fromValue(ProcessSamples(val.source(), range, v.value<SampleJob>())));
 
       }
 
diff --git a/app/node/traverser.h b/app/node/traverser.h
index 3a15455da..6919f61a9 100644
--- a/app/node/traverser.h
+++ b/app/node/traverser.h
@@ -109,7 +109,7 @@ protected:
   }
 
 private:
-  void PreProcessRow(const Node *node, const TimeRange &range, NodeValueRow &row);
+  void PreProcessRow(const TimeRange &range, NodeValueRow &row);
 
   TexturePtr CreateDummyTexture(const VideoParams &p);
 
diff --git a/app/render/job/acceleratedjob.h b/app/render/job/acceleratedjob.h
index a40e5a14a..534f4a528 100644
--- a/app/render/job/acceleratedjob.h
+++ b/app/render/job/acceleratedjob.h
@@ -56,10 +56,8 @@ public:
 #endif
   }
 
-  const NodeValueRow &GetValues() const
-  {
-    return value_map_;
-  }
+  const NodeValueRow &GetValues() const { return value_map_; }
+  NodeValueRow &GetValues() { return value_map_; }
 
 private:
   NodeValueRow value_map_;