BGE performance: allow to create display list on meshes with modifiers but without armature and shape keys. These modified meshes are static and can be put safely in a display list. As the rendering of modifiers is done in direct openGL call, it results is a bit performance boost.

3 files changed, 7 insertions, 4 deletions

diff --git a/source/gameengine/Converter/BL_MeshDeformer.h b/source/gameengine/Converter/BL_MeshDeformer.h
index d1754618df2..11ca3b00a1d 100644
--- a/source/gameengine/Converter/BL_MeshDeformer.h
+++ b/source/gameengine/Converter/BL_MeshDeformer.h
@@ -66,7 +66,7 @@ public:
 	virtual bool Update(void){ return false; };
 	virtual bool UpdateBuckets(void){ return false; };
 	virtual	RAS_Deformer*	GetReplica(){return NULL;};
-	virtual void ProcessReplica() { };
+	virtual void ProcessReplica() {m_bDynamic=false;};
 	struct Mesh* GetMesh() { return m_bmesh; };
 	//	virtual void InitDeform(double time){};
 
diff --git a/source/gameengine/Converter/BL_ShapeDeformer.cpp b/source/gameengine/Converter/BL_ShapeDeformer.cpp
index bf5eb5cbcb3..e04d4dad015 100644
--- a/source/gameengine/Converter/BL_ShapeDeformer.cpp
+++ b/source/gameengine/Converter/BL_ShapeDeformer.cpp
@@ -121,7 +121,7 @@ bool BL_ShapeDeformer::ExecuteShapeDrivers(void)
 
 		ForceUpdate();
 		m_armobj->RestorePose();
-
+		m_bDynamic = true;
 		return true;
 	}
 	return false;
@@ -144,8 +144,10 @@ bool BL_ShapeDeformer::Update(void)
 
 		/* we will blend the key directly in mvert array: it is used by armature as the start position */
 		/* m_bmesh->key can be NULL in case of Modifier deformer */
-		if (m_bmesh->key)
+		if (m_bmesh->key) {
 			do_rel_key(0, m_bmesh->totvert, m_bmesh->totvert, (char *)m_bmesh->mvert->co, m_bmesh->key, 0);
+			m_bDynamic = true;
+		}
 
 		// Don't release the weight array as in Blender, it will most likely be reusable on next frame 
 		// The weight array are ultimately deleted when the skin mesh is destroyed
diff --git a/source/gameengine/Converter/BL_SkinDeformer.cpp b/source/gameengine/Converter/BL_SkinDeformer.cpp
index d40776a645d..e92c3b29543 100644
--- a/source/gameengine/Converter/BL_SkinDeformer.cpp
+++ b/source/gameengine/Converter/BL_SkinDeformer.cpp
@@ -201,7 +201,8 @@ bool BL_SkinDeformer::Update(void)
 		m_lastArmaUpdate=m_armobj->GetLastFrame();
 
 		m_armobj->RestorePose();
-
+		/* dynamic vertex, cannot use display list */
+		m_bDynamic = true;
 		/* indicate that the m_transverts and normals are up to date */
 		return true;
 	}