diff --git a/app/node/generator/noise/noise.cpp b/app/node/generator/noise/noise.cpp
index 64ea2266a..213910ad4 100644
--- a/app/node/generator/noise/noise.cpp
+++ b/app/node/generator/noise/noise.cpp
@@ -20,8 +20,11 @@
 
 #include "noise.h"
 
+#include "widget/slider/floatslider.h"
+
 namespace olive {
 
+const QString NoiseGeneratorNode::kBaseIn = QStringLiteral("base_in");
 const QString NoiseGeneratorNode::kColorInput = QStringLiteral("color_in");
 const QString NoiseGeneratorNode::kStrengthInput = QStringLiteral("strength_in");
 
@@ -29,9 +32,16 @@ const QString NoiseGeneratorNode::kStrengthInput = QStringLiteral("strength_in")
 
 NoiseGeneratorNode::NoiseGeneratorNode()
 {
-  AddInput(kStrengthInput, NodeValue::kFloat, 20);
+  AddInput(kBaseIn, NodeValue::kTexture, InputFlags(kInputFlagNotKeyframable));
+
+  AddInput(kStrengthInput, NodeValue::kFloat, 0.2);
+  SetInputProperty(kStrengthInput, QStringLiteral("view"), FloatSlider::kPercentage);
+  SetInputProperty(kStrengthInput, QStringLiteral("min"), 0);
 
   AddInput(kColorInput, NodeValue::kBoolean, false);
+
+  SetEffectInput(kBaseIn);
+  SetFlags(kVideoEffect);
 }
 
 Node* NoiseGeneratorNode::copy() const
@@ -63,12 +73,13 @@ void NoiseGeneratorNode::Retranslate()
 {
   super::Retranslate();
 
+  SetInputName(kBaseIn, tr("Base"));
   SetInputName(kStrengthInput, tr("Strength"));
   SetInputName(kColorInput, tr("Color"));
 }
 
-ShaderCode NoiseGeneratorNode::GetShaderCode(const QString& shader_id) const {
-  Q_UNUSED(shader_id)
+ShaderCode NoiseGeneratorNode::GetShaderCode(const QString& shader_id) const
+{
   return ShaderCode(FileFunctions::ReadFileAsString(":/shaders/noise.frag"));
 }
 
@@ -79,8 +90,6 @@ void NoiseGeneratorNode::Value(const NodeValueRow &value, const NodeGlobals &glo
   job.InsertValue(value);
   job.InsertValue(QStringLiteral("time_in"), NodeValue(NodeValue::kFloat, globals.time().in().toDouble(), this));
 
-
   table->Push(NodeValue::kTexture, QVariant::fromValue(job), this);
-
 }
 }
diff --git a/app/node/generator/noise/noise.h b/app/node/generator/noise/noise.h
index 31dfd2f3b..36cbd7fe8 100644
--- a/app/node/generator/noise/noise.h
+++ b/app/node/generator/noise/noise.h
@@ -44,8 +44,10 @@ class NoiseGeneratorNode : public Node {
   virtual ShaderCode GetShaderCode(const QString &shader_id) const override;
   virtual void Value(const NodeValueRow &value, const NodeGlobals &globals, NodeValueTable *table) const override;
 
+  static const QString kBaseIn;
   static const QString kColorInput;
   static const QString kStrengthInput;
+
 };
 
 }  // namespace olive
diff --git a/app/node/generator/polygon/polygon.cpp b/app/node/generator/polygon/polygon.cpp
index cfccc83c2..40283689b 100644
--- a/app/node/generator/polygon/polygon.cpp
+++ b/app/node/generator/polygon/polygon.cpp
@@ -30,7 +30,7 @@ namespace olive {
 const QString PolygonGenerator::kPointsInput = QStringLiteral("points_in");
 const QString PolygonGenerator::kColorInput = QStringLiteral("color_in");
 
-#define super Node
+#define super GeneratorWithMerge
 
 PolygonGenerator::PolygonGenerator()
 {
@@ -102,7 +102,7 @@ void PolygonGenerator::Value(const NodeValueRow &value, const NodeGlobals &globa
   job.SetRequestedFormat(VideoParams::kFormatFloat32);
   job.SetAlphaChannelRequired(GenerateJob::kAlphaForceOn);
 
-  table->Push(NodeValue::kTexture, QVariant::fromValue(job), this);
+  PushMergableJob(value, QVariant::fromValue(job), table);
 }
 
 void PolygonGenerator::GenerateFrame(FramePtr frame, const GenerateJob &job) const
diff --git a/app/node/generator/polygon/polygon.h b/app/node/generator/polygon/polygon.h
index e1c66573a..2f2e4e467 100644
--- a/app/node/generator/polygon/polygon.h
+++ b/app/node/generator/polygon/polygon.h
@@ -24,6 +24,7 @@
 #include <QPainterPath>
 
 #include "common/bezier.h"
+#include "node/generator/shape/generatorwithmerge.h"
 #include "node/gizmo/line.h"
 #include "node/gizmo/path.h"
 #include "node/gizmo/point.h"
@@ -32,7 +33,7 @@
 
 namespace olive {
 
-class PolygonGenerator : public Node
+class PolygonGenerator : public GeneratorWithMerge
 {
   Q_OBJECT
 public:
diff --git a/app/node/generator/shape/CMakeLists.txt b/app/node/generator/shape/CMakeLists.txt
index b3d0fed04..275b80e75 100644
--- a/app/node/generator/shape/CMakeLists.txt
+++ b/app/node/generator/shape/CMakeLists.txt
@@ -16,6 +16,8 @@
 
 set(OLIVE_SOURCES
   ${OLIVE_SOURCES}
+  node/generator/shape/generatorwithmerge.cpp
+  node/generator/shape/generatorwithmerge.h
   node/generator/shape/shapenode.cpp
   node/generator/shape/shapenode.h
   node/generator/shape/shapenodebase.cpp
diff --git a/app/node/generator/shape/generatorwithmerge.cpp b/app/node/generator/shape/generatorwithmerge.cpp
new file mode 100644
index 000000000..363ba4d12
--- /dev/null
+++ b/app/node/generator/shape/generatorwithmerge.cpp
@@ -0,0 +1,71 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2021 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "generatorwithmerge.h"
+
+#include "node/math/merge/merge.h"
+
+namespace olive {
+
+#define super Node
+
+const QString GeneratorWithMerge::kBaseInput = QStringLiteral("base_in");
+
+GeneratorWithMerge::GeneratorWithMerge()
+{
+  AddInput(kBaseInput, NodeValue::kTexture, InputFlags(kInputFlagNotKeyframable));
+  SetEffectInput(kBaseInput);
+  SetFlags(kVideoEffect);
+}
+
+void GeneratorWithMerge::Retranslate()
+{
+  super::Retranslate();
+
+  SetInputName(kBaseInput, tr("Base"));
+}
+
+ShaderCode GeneratorWithMerge::GetShaderCode(const QString &shader_id) const
+{
+  if (shader_id == QStringLiteral("mrg")) {
+    return ShaderCode(FileFunctions::ReadFileAsString(":/shaders/alphaover.frag"));
+  }
+
+  return ShaderCode();
+}
+
+void GeneratorWithMerge::PushMergableJob(const NodeValueRow &value, const QVariant &job, NodeValueTable *table) const
+{
+  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, job, this));
+
+    table->Push(NodeValue::kTexture, QVariant::fromValue(merge), this);
+  } else {
+    // Just push generate job
+    table->Push(NodeValue::kTexture, job, this);
+  }
+}
+
+}
diff --git a/app/node/generator/shape/generatorwithmerge.h b/app/node/generator/shape/generatorwithmerge.h
new file mode 100644
index 000000000..9345f2d64
--- /dev/null
+++ b/app/node/generator/shape/generatorwithmerge.h
@@ -0,0 +1,49 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2021 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef GENERATORWITHMERGE_H
+#define GENERATORWITHMERGE_H
+
+#include "node/node.h"
+
+namespace olive {
+
+class GeneratorWithMerge : public Node
+{
+  Q_OBJECT
+public:
+  GeneratorWithMerge();
+
+  NODE_DEFAULT_DESTRUCTOR(GeneratorWithMerge)
+
+  virtual void Retranslate() override;
+
+  virtual ShaderCode GetShaderCode(const QString &shader_id) const override;
+
+  static const QString kBaseInput;
+
+protected:
+  void PushMergableJob(const NodeValueRow &value, const QVariant &job, NodeValueTable *table) const;
+
+};
+
+}
+
+#endif // GENERATORWITHMERGE_H
diff --git a/app/node/generator/shape/shapenode.cpp b/app/node/generator/shape/shapenode.cpp
index a0aeb7b03..34db8dfcb 100644
--- a/app/node/generator/shape/shapenode.cpp
+++ b/app/node/generator/shape/shapenode.cpp
@@ -79,20 +79,7 @@ void ShapeNode::Value(const NodeValueRow &value, const NodeGlobals &globals, Nod
   job.SetAlphaChannelRequired(GenerateJob::kAlphaForceOn);
   job.SetShaderID(QStringLiteral("shape"));
 
-  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);
-  }
+  PushMergableJob(value, QVariant::fromValue(job), table);
 }
 
 }
diff --git a/app/node/generator/shape/shapenodebase.cpp b/app/node/generator/shape/shapenodebase.cpp
index 9a5e2ed6d..4eb411079 100644
--- a/app/node/generator/shape/shapenodebase.cpp
+++ b/app/node/generator/shape/shapenodebase.cpp
@@ -28,16 +28,14 @@
 
 namespace olive {
 
-#define super Node
+#define super GeneratorWithMerge
 
-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));
@@ -60,16 +58,12 @@ 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()
 {
   super::Retranslate();
 
-  SetInputName(kBaseInput, tr("Base"));
   SetInputName(kPositionInput, tr("Position"));
   SetInputName(kSizeInput, tr("Size"));
 
@@ -108,15 +102,6 @@ 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 4079ad3c3..451c32dea 100644
--- a/app/node/generator/shape/shapenodebase.h
+++ b/app/node/generator/shape/shapenodebase.h
@@ -21,15 +21,15 @@
 #ifndef SHAPENODEBASE_H
 #define SHAPENODEBASE_H
 
+#include "generatorwithmerge.h"
 #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 {
 
-class ShapeNodeBase : public Node
+class ShapeNodeBase : public GeneratorWithMerge
 {
   Q_OBJECT
 public:
@@ -41,9 +41,6 @@ public:
 
   virtual void UpdateGizmoPositions(const NodeValueRow &row, const NodeGlobals &globals) override;
 
-  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;
diff --git a/app/node/generator/text/textv3.cpp b/app/node/generator/text/textv3.cpp
index e56c445e3..4413d6f65 100644
--- a/app/node/generator/text/textv3.cpp
+++ b/app/node/generator/text/textv3.cpp
@@ -89,20 +89,7 @@ void TextGeneratorV3::Value(const NodeValueRow &value, const NodeGlobals &global
   job.SetColorspace(project()->color_manager()->GetDefaultInputColorSpace());
 
   if (!job.GetValue(kTextInput).data().toString().isEmpty()) {
-    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);
-    }
+    PushMergableJob(value, QVariant::fromValue(job), table);
   } else if (!value[kBaseInput].data().isNull()) {
     table->Push(value[kBaseInput]);
   }
diff --git a/app/node/traverser.cpp b/app/node/traverser.cpp
index cf04d8e72..7eb8087cf 100644
--- a/app/node/traverser.cpp
+++ b/app/node/traverser.cpp
@@ -306,6 +306,7 @@ void NodeTraverser::ResolveJobs(NodeValue &val, const TimeRange &range)
 
       TexturePtr tex = CreateTexture(tex_params);
 
+      PreProcessRow(range, job.GetValues());
       ProcessShader(tex, val.source(), range, job);
 
       val.set_data(QVariant::fromValue(tex));
@@ -322,6 +323,7 @@ void NodeTraverser::ResolveJobs(NodeValue &val, const TimeRange &range)
 
       TexturePtr tex = CreateTexture(tex_params);
 
+      PreProcessRow(range, job.GetValues());
       ProcessFrameGeneration(tex, val.source(), job);
 
       val.set_data(QVariant::fromValue(tex));
diff --git a/app/render/renderprocessor.cpp b/app/render/renderprocessor.cpp
index 8b7dbb0e7..dce266726 100644
--- a/app/render/renderprocessor.cpp
+++ b/app/render/renderprocessor.cpp
@@ -511,10 +511,6 @@ void RenderProcessor::ProcessShader(TexturePtr destination, const Node *node, co
     }
   }
 
-  VideoParams tex_params = GetCacheVideoParams();
-
-  tex_params.set_channel_count(GetChannelCountFromJob(job));
-
   // Run shader
   render_ctx_->BlitToTexture(shader, job, destination.get());
 }
diff --git a/app/shaders/noise.frag b/app/shaders/noise.frag
index 4a2296e91..7439eea76 100644
--- a/app/shaders/noise.frag
+++ b/app/shaders/noise.frag
@@ -2,7 +2,9 @@ uniform float time_in;
 
 uniform float strength_in;
 uniform bool color_in;
-//uniform bool blend;
+
+uniform sampler2D base_in;
+uniform bool base_in_enabled;
 
 in vec2 ove_texcoord;
 out vec4 frag_color;
@@ -22,7 +24,7 @@ bool isNan( float val )
 }
 
 float gold_noise(vec2 coordinate, float seed){
-    float value = fract(tan(distance(coordinate*(seed+PHI), vec2(PHI, PI)))*SQ2)*(strength_in*0.01);
+  float value = fract(tan(distance(coordinate*(seed+PHI), vec2(PHI, PI)))*SQ2)*(strength_in);
   return isNan(value) ? 0.0 : value;
 }
 
@@ -34,5 +36,11 @@ void main(void) {
     noise = vec3(gold_noise(ove_texcoord, time_in + 69420.0));
   }
 
+  if (base_in_enabled) {
+    vec4 base = texture(base_in, ove_texcoord);
+    base.rgb += noise;
+    frag_color = base;
+  } else {
     frag_color = vec4(noise, 1.0);
+  }
 }