support MI_MAX_COUNT in ShaderGen

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

@@ -0,0 +1,30 @@
+#ifndef HGL_GRAPH_MTL_2D_CREATE_CONFIG_INCLUDE
+#define HGL_GRAPH_MTL_2D_CREATE_CONFIG_INCLUDE
+
+#include<hgl/graph/mtl/MaterialConfig.h>
+#include<hgl/graph/CoordinateSystem.h>
+
+STD_MTL_NAMESPACE_BEGIN
+struct Material2DCreateConfig:public MaterialCreateConfig
+{
+    CoordinateSystem2D  coordinate_system;      ///<使用的坐标系
+
+    bool                local_to_world;         ///<包含LocalToWorld矩阵
+
+public:
+
+    Material2DCreateConfig(const GPUDeviceAttribute *da,const AnsiString &name):MaterialCreateConfig(da,name)
+    {
+        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;
+    }
+};//struct Material2DCreateConfig:public MaterialCreateConfig
+
+MaterialCreateInfo *CreateVertexColor2D(const Material2DCreateConfig *);
+MaterialCreateInfo *CreatePureColor2D(const Material2DCreateConfig *);
+STD_MTL_NAMESPACE_END
+#endif//HGL_GRAPH_MTL_2D_CREATE_CONFIG_INCLUDE