added primitive in Material2DCreateConfig

inc/hgl/graph/mtl/2d/Material2DCreateConfig.h

@@ -3,26 +3,37 @@
 
 #include<hgl/graph/mtl/MaterialConfig.h>
 #include<hgl/graph/CoordinateSystem.h>
+#include<hgl/graph/VertexAttrib.h>
 
 STD_MTL_NAMESPACE_BEGIN
 struct Material2DCreateConfig:public MaterialCreateConfig
 {
+    Prim                prim;                   ///<图元类型
+
     CoordinateSystem2D  coordinate_system;      ///<使用的坐标系
 
     bool                local_to_world;         ///<包含LocalToWorld矩阵
 
-    
+    VAT                 position_format;        ///<position格式
 
 public:
 
-    Material2DCreateConfig(const GPUDeviceAttribute *da,const AnsiString &name):MaterialCreateConfig(da,name)
+    Material2DCreateConfig(const GPUDeviceAttribute *da,const AnsiString &name,const Prim &p):MaterialCreateConfig(da,name)
     {
+        prim=p;
+
         rt_output.color=1;          //输出一个颜色
         rt_output.depth=false;      //不输出深度
         rt_output.stencil=false;    //不输出stencil
 
         coordinate_system=CoordinateSystem2D::NDC;
         local_to_world=false;
+
+        if(prim==Prim::SolidRectangles
+         ||prim==Prim::WireRectangles)
+            position_format=VAT_VEC4;
+        else
+            position_format=VAT_VEC2;
     }
 };//struct Material2DCreateConfig:public MaterialCreateConfig