Store the surface to use in the RenderView

Change-Id: I4dbdfe9315dc3b0bb89119372301d24a292520d9
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

3 files changed, 16 insertions, 0 deletions

diff --git a/src/render/backend/renderview.cpp b/src/render/backend/renderview.cpp
index 40a3ccbc9..24e9d9c10 100644
--- a/src/render/backend/renderview.cpp
+++ b/src/render/backend/renderview.cpp
@@ -274,6 +274,7 @@ RenderView::RenderView()
     , m_data(Q_NULLPTR)
     , m_clearColor(Q_NULLPTR)
     , m_viewport(Q_NULLPTR)
+    , m_surface(Q_NULLPTR)
     , m_clearBuffer(QClearBuffer::None)
     , m_stateSet(Q_NULLPTR)
     , m_noDraw(false)
diff --git a/src/render/backend/renderview_p.h b/src/render/backend/renderview_p.h
index 4657dae81..ccb0554f3 100644
--- a/src/render/backend/renderview_p.h
+++ b/src/render/backend/renderview_p.h
@@ -230,6 +230,9 @@ public:
 
     void addSortCriteria(const QList<Qt3DCore::QNodeId> &sortMethodUid) { m_data->m_sortingCriteria.append(sortMethodUid); }
 
+    void setSurface(QSurface *surface) { m_surface = surface; }
+    QSurface *surface() const { return m_surface; }
+
     // Helps making the size of RenderView smaller
     // Contains all the data needed for the actual building of the RenderView
     // But that aren't used later by the Renderer
@@ -274,6 +277,7 @@ private:
     mutable QColor *m_clearColor;
     mutable QRectF *m_viewport;
     HTarget m_renderTarget;
+    QSurface *m_surface;
     AttachmentPack m_attachmentPack;
     QClearBuffer::BufferType m_clearBuffer;
     RenderStateSet *m_stateSet;
diff --git a/src/render/jobs/renderviewjobutils.cpp b/src/render/jobs/renderviewjobutils.cpp
index c9d7e2434..c2f03fc69 100644
--- a/src/render/jobs/renderviewjobutils.cpp
+++ b/src/render/jobs/renderviewjobutils.cpp
@@ -58,6 +58,7 @@
 #include <Qt3DRender/private/shaderdata_p.h>
 #include <Qt3DRender/private/statesetnode_p.h>
 #include <Qt3DRender/private/dispatchcompute_p.h>
+#include <Qt3DRender/private/rendersurfaceselector_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -222,6 +223,16 @@ void setRenderViewConfigFromFrameGraphLeafNode(RenderView *rv, const FrameGraphN
                 break;
             }
 
+            case FrameGraphNode::Surface: {
+                // Use the surface closest to leaf node
+                if (rv->surface() == Q_NULLPTR) {
+                    const Render::RenderSurfaceSelector *surfaceSelector
+                        = static_cast<const Render::RenderSurfaceSelector *>(node);
+                    rv->setSurface(surfaceSelector->surface());
+                }
+                break;
+            }
+
             default:
                 // Should never get here
                 qCWarning(Backend) << "Unhandled FrameGraphNode type";