Actually init GL renderer

app/node/color/displaytransform/displaytransform.cpp

@@ -37,8 +37,11 @@ void DisplayTransformNode::GenerateProcessor(bool direction)
   if (!project()) {
     return;
   }
+  qDebug() << project()->color_manager()->GetReferenceColorSpace() << project()->color_manager()->GetDefaultDisplay();
+
+  ColorTransform transform("sRGB OETF");
   reference_to_display_ = ColorProcessor::Create(project()->color_manager(), project()->color_manager()->GetReferenceColorSpace(),
-                                                 project()->color_manager()->GetDefaultDisplay());
+                                                 transform);
 
   // Create shader description
   shader_desc_ = OCIO::GpuShaderDesc::CreateShaderDesc();
@@ -83,6 +86,14 @@ void DisplayTransformNode::Retranslate()
   GenerateProcessor(true);
 }
 
+void DisplayTransformNode::InputValueChangedEvent(const QString& input, int element)
+{
+    Q_UNUSED(element);
+  if (input == kDirectionInput) {
+      GenerateProcessor(true);
+  }
+}
+
 ShaderCode DisplayTransformNode::GetShaderCode(const QString &shader_id) const
 {
   Q_UNUSED(shader_id)

app/node/color/displaytransform/displaytransform.h

@@ -36,6 +36,7 @@ class DisplayTransformNode : public OCIONodeBase {
   virtual QString Description() const override;
 
   virtual void Retranslate() override;
+  virtual void InputValueChangedEvent(const QString &input, int element) override;
 
   virtual ShaderCode GetShaderCode(const QString &shader_id) const override;
   virtual void Value(const NodeValueRow &value, const NodeGlobals &globals, NodeValueTable *table) const override;

app/node/color/ociobase/ociobase.cpp

@@ -29,6 +29,8 @@ OCIONodeBase::OCIONodeBase()
   if (true){//RenderManager::instance()->backend() == RenderManager::kOpenGL) {
     // Create OpenGL renderer
     attached_renderer_ = new OpenGLRenderer(this);
+    attached_renderer_->Init();
+    attached_renderer_->PostInit();
   }
 }
 

app/render/colorprocessor.cpp

@@ -69,8 +69,11 @@ ColorProcessor::ColorProcessor(ColorManager *config, const QString &input, const
   } else {
 
     OCIO_SET_C_LOCALE_FOR_SCOPE;
-    processor_ = config->GetConfig()->getProcessor(input.toUtf8(),
-                                                   output.toUtf8());
+    try {
+      processor_ = config->GetConfig()->getProcessor(input.toUtf8(), output.toUtf8());
+    } catch (OCIO::Exception &e) {
+      qWarning() << "ColorProcessor exception:" << e.what();
+    }
 
   }
 

app/shaders/displaytransform.frag

@@ -1,12 +1,13 @@
 uniform sampler2D tex_in;
+varying vec2 ove_texcoord;
 
 // Program will replace this with OCIO's auto-generated shader code
 %1
 
 void main() {
-  col = texture2D(tex_in, ove_texcoord);
+  vec4 col = texture2D(tex_in, ove_texcoord);
 
-  col = DIsplayTransform(col)
+  col = DisplayTransform(col);
 
   gl_FragColor - col;
 }