QShaderProgram creates creation changes

Change-Id: Ibbafc8494ea867c9b74bf8054c7ff37ac79252dc
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

3 files changed, 25 insertions, 0 deletions

diff --git a/src/render/materialsystem/qshaderprogram.cpp b/src/render/materialsystem/qshaderprogram.cpp
index fcb7519d8..2c44444ee 100644
--- a/src/render/materialsystem/qshaderprogram.cpp
+++ b/src/render/materialsystem/qshaderprogram.cpp
@@ -265,6 +265,20 @@ QByteArray QShaderProgram::loadSource(const QUrl &sourceUrl)
     return deincludify(Qt3DRender::QUrlHelper::urlToLocalFileOrQrc(sourceUrl));
 }
 
+Qt3DCore::QNodeCreatedChangeBasePtr QShaderProgram::createNodeCreationChange() const
+{
+    auto creationChange = Qt3DCore::QNodeCreatedChangePtr<QShaderProgramData>::create(this);
+    auto &data = creationChange->data;
+    Q_D(const QShaderProgram);
+    data.vertexShaderCode = d->m_vertexShaderCode;
+    data.tessellationControlShaderCode = d->m_tessControlShaderCode;
+    data.tessellationEvaluationShaderCode = d->m_tessEvalShaderCode;
+    data.geometryShaderCode = d->m_geometryShaderCode;
+    data.fragmentShaderCode = d->m_fragmentShaderCode;
+    data.computeShaderCode = d->m_computeShaderCode;
+    return creationChange;
+}
+
 } // of namespace Qt3DRender
 
 QT_END_NAMESPACE
diff --git a/src/render/materialsystem/qshaderprogram.h b/src/render/materialsystem/qshaderprogram.h
index 0df08588a..984dfe833 100644
--- a/src/render/materialsystem/qshaderprogram.h
+++ b/src/render/materialsystem/qshaderprogram.h
@@ -109,6 +109,7 @@ protected:
 private:
     Q_DECLARE_PRIVATE(QShaderProgram)
     QT3D_CLONEABLE(QShaderProgram)
+    Qt3DCore::QNodeCreatedChangeBasePtr createNodeCreationChange() const Q_DECL_OVERRIDE;
 };
 
 }
diff --git a/src/render/materialsystem/qshaderprogram_p.h b/src/render/materialsystem/qshaderprogram_p.h
index d26b0becc..5f695a279 100644
--- a/src/render/materialsystem/qshaderprogram_p.h
+++ b/src/render/materialsystem/qshaderprogram_p.h
@@ -79,6 +79,16 @@ public:
     QByteArray m_computeShaderCode;
 };
 
+struct QShaderProgramData
+{
+    QByteArray vertexShaderCode;
+    QByteArray tessellationControlShaderCode;
+    QByteArray tessellationEvaluationShaderCode;
+    QByteArray geometryShaderCode;
+    QByteArray fragmentShaderCode;
+    QByteArray computeShaderCode;
+};
+
 } // namespace Qt3DRender
 
 QT_END_NAMESPACE