started porting renderer to new portable form

app/widget/audiomonitor/audiomonitor.cpp

@@ -78,7 +78,7 @@ void AudioMonitor::paintEvent(QPaintEvent *)
     qreal log_val = QAudio::convertVolume(i, QAudio::DecibelVolumeScale, QAudio::LogarithmicVolumeScale);
 
     QRect db_marking_rect = db_labels_rect;
-    db_marking_rect.adjust(0, db_labels_rect.y() + db_labels_rect.height() - qRound(log_val * db_labels_rect.height()), 0, 0);
+    db_marking_rect.adjust(0, db_labels_rect.height() - qRound(log_val * db_labels_rect.height()), 0, 0);
     db_marking_rect.setHeight(fm.height());
 
     // Prevent any dB markings overlapping

app/widget/viewer/viewer.cpp

@@ -161,6 +161,7 @@ void ViewerWidget::ConnectViewerNode(ViewerOutput *node)
   }
 
   video_renderer_->SetViewerNode(viewer_node_);
+  opengl_backend_.SetViewerNode(viewer_node_);
 }
 
 void ViewerWidget::DisconnectViewerNode()

app/widget/viewer/viewer.h

@@ -30,9 +30,7 @@
 
 #include "common/rational.h"
 #include "node/output/viewer/viewer.h"
-#include "render/audio/audiorenderer.h"
-#include "render/video/videorenderer.h"
-#include "render/backend/openclbackend.h"
+#include "render/backend/opengl/openglbackend.h"
 #include "viewerglwidget.h"
 #include "viewersizer.h"
 #include "widget/playbackcontrols/playbackcontrols.h"
@@ -112,12 +110,8 @@ private:
 
   void PushScrubbedAudio();
 
-  VideoRendererProcessor* video_renderer_;
-
-  AudioRendererProcessor* audio_renderer_;
-
   // FIXME: Test code only
-  OpenCLBackend opencl_backend_;
+  OpenGLBackend opengl_backend_;
   // End test code
 
   ViewerSizer* sizer_;

app/widget/viewer/viewerglwidget.h

@@ -24,7 +24,7 @@
 #include <QOpenGLWidget>
 
 #include "render/colormanager.h"
-#include "render/gl/shaderptr.h"
+#include "render/backend/opengl/openglshader.h"
 
 /**
  * @brief The inner display/rendering widget of a Viewer class.
@@ -143,7 +143,7 @@ private:
    *
    * Retrieved every initializeGL() in order to stay up to date when new contexts are generated.
    */
-  ShaderPtr pipeline_;
+  OpenGLShaderPtr pipeline_;
 
   /**
    * @brief OCIO LUT texture used for conversions