next work: support 3-way coordinate system in VertexColor2D material.

inc/hgl/graph/mtl/2d/VertexColor2D.h

@@ -0,0 +1,19 @@
+#ifndef HGL_GRAPH_MTL_2D_VERTEX2D_INCLUDE
+#define HGL_GRAPH_MTL_2D_VERTEX2D_INCLUDE
+
+#include<hgl/graph/mtl/StdMaterial.h>
+
+namespace hgl
+{
+    namespace graph
+    {
+        class MaterialCreateInfo;
+
+        namespace mtl
+        {
+            MaterialCreateInfo *CreateVertexColor2D(const CoordinateSystem2D &);
+        }//namespace mtl
+    }//namespace graph
+}//namespace hgl
+
+#endif//HGL_GRAPH_MTL_2D_VERTEX2D_INCLUDE

inc/hgl/graph/mtl/2d/VertexColor2DNDC.h

@@ -1,17 +0,0 @@
-#ifndef HGL_GRAPH_MTL_2D_VERTEX2DNDC_INCLUDE
-#define HGL_GRAPH_MTL_2D_VERTEX2DNDC_INCLUDE
-
-namespace hgl
-{
-    namespace graph
-    {
-        class MaterialCreateInfo;
-
-        namespace mtl
-        {
-            MaterialCreateInfo *CreateVertexColor2DNDC();
-        }//namespace mtl
-    }//namespace graph
-}//namespace hgl
-
-#endif//HGL_GRAPH_MTL_2D_VERTEX2DNDC_INCLUDE

inc/hgl/graph/mtl/StdMaterial.h

@@ -1,6 +1,19 @@
-#pragma once
+#pragma once
 
 #define STD_MTL_NAMESPACE_BEGIN namespace hgl{namespace graph{namespace mtl{
 #define STD_MTL_NAMESPACE_END   }}}
 
 #define STD_MTL_NAMESPACE_USING using namespace hgl::graph::mtl
+
+enum class CoordinateSystem2D
+{
+    NDC,
+    ZeroToOne,          //左上角为0,0；右下角为1,1
+    Ortho               //左上角为0,0；右下角为(width-1),(height-1)
+};
+
+namespace GlobalShaderUBO
+{
+    constexpr const char ViewportInfo[]="ViewportInfo";
+    constexpr const char CameraInfo[]="CameraInfo";
+}