From e35abf00519e2e590ac314be9c0de5bc0d2a8c2c Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Fri, 30 Aug 2024 01:28:20 +0800
Subject: [PATCH] Added PrimitiveCreater::hasIndex()

---
 inc/hgl/graph/PrimitiveCreater.h    | 2 ++
 src/SceneGraph/PrimitiveCreater.cpp | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/inc/hgl/graph/PrimitiveCreater.h b/inc/hgl/graph/PrimitiveCreater.h
index 1901217f..732019a4 100644
--- a/inc/hgl/graph/PrimitiveCreater.h
+++ b/inc/hgl/graph/PrimitiveCreater.h
@@ -25,6 +25,7 @@ protected:
 
     uint32_t        vertices_number;  ///<顶点数量
 
+    bool            has_index;        ///<是否有索引
     uint32_t        index_number;     ///<索引数量
     IndexType       index_type;       ///<索引类型
     IndexBuffer *   ibo;              ///<索引缓冲区
@@ -62,6 +63,7 @@ public: //顶点缓冲区
 
 public: //索引缓冲区
 
+    const   bool            hasIndex()const{return vdm?has_index:index_number>0;}                                           ///<是否有索引缓冲区
     const   IndexType       GetIndexType()const{return index_type;}                                                         ///<取得索引类型
     const   uint32_t        GetIndexCount()const{return index_number;}                                                      ///<取得索引数量
 
diff --git a/src/SceneGraph/PrimitiveCreater.cpp b/src/SceneGraph/PrimitiveCreater.cpp
index 62fd6393..75d3347f 100644
--- a/src/SceneGraph/PrimitiveCreater.cpp
+++ b/src/SceneGraph/PrimitiveCreater.cpp
@@ -13,6 +13,7 @@ PrimitiveCreater::PrimitiveCreater(GPUDevice *dev,const VIL *v)
     vdm             =nullptr;
     vil             =v;
 
+    has_index       =false;
     prim_data       =nullptr;
 
     Clear();
@@ -23,6 +24,8 @@ PrimitiveCreater::PrimitiveCreater(VertexDataManager *_vdm)
 {
     vdm=_vdm;
 
+    has_index=vdm->GetIBO();
+
     index_type=vdm->GetIndexType();
 }