2 files changed, 32 insertions, 0 deletions
diff --git a/src/render/backend/attachmentpack.cpp b/src/render/backend/attachmentpack.cpp
index a2ac8c30c..0cd5d8673 100644
--- a/src/render/backend/attachmentpack.cpp
+++ b/src/render/backend/attachmentpack.cpp
@@ -88,6 +88,32 @@ int AttachmentPack::getDrawBufferIndex(QRenderTargetOutput::AttachmentPoint atta
     return -1;
 }
 
+bool operator ==(const Attachment &a, const Attachment &b)
+{
+    return (a.m_name == b.m_name &&
+            a.m_mipLevel == b.m_mipLevel &&
+            a.m_layer == b.m_layer &&
+            a.m_textureUuid == b.m_textureUuid &&
+            a.m_point == b.m_point &&
+            a.m_face == b.m_face);
+}
+
+bool operator !=(const Attachment &a, const Attachment &b)
+{
+    return !(a == b);
+}
+
+bool operator ==(const AttachmentPack &packA, const AttachmentPack &packB)
+{
+    return (packA.attachments() == packB.attachments() &&
+            packA.getGlDrawBuffers() == packB.getGlDrawBuffers());
+}
+
+bool operator !=(const AttachmentPack &packA, const AttachmentPack &packB)
+{
+    return !(packA == packB);
+}
+
 } // namespace Render
 } // namespace Qt3DRender
 
diff --git a/src/render/backend/attachmentpack_p.h b/src/render/backend/attachmentpack_p.h
index a3a2586dd..d0b65589f 100644
--- a/src/render/backend/attachmentpack_p.h
+++ b/src/render/backend/attachmentpack_p.h
@@ -99,6 +99,12 @@ private:
     QVector<int> m_drawBuffers;
 };
 
+bool operator ==(const Attachment &a, const Attachment &b);
+bool operator !=(const Attachment &a, const Attachment &b);
+
+bool operator ==(const AttachmentPack &packA, const AttachmentPack &packB);
+bool operator !=(const AttachmentPack &packA, const AttachmentPack &packB);
+
 } // namespace Render
 } // namespace Qt3DRender