diff --git a/inc/hgl/graph/mtl/Material3DCreateConfig.h b/inc/hgl/graph/mtl/Material3DCreateConfig.h
index 97aed9bd..81abc849 100644
--- a/inc/hgl/graph/mtl/Material3DCreateConfig.h
+++ b/inc/hgl/graph/mtl/Material3DCreateConfig.h
@@ -25,7 +25,7 @@ public:
         :MaterialCreateConfig(p)
     {
         rt_output.color=1;          //输出一个颜色
-        rt_output.depth=true;       //不输出深度
+        rt_output.depth=true;       //输出深度
         rt_output.stencil=false;    //不输出stencil
 
         camera=(wc==WithCamera::With);
@@ -56,6 +56,7 @@ public:
     const AnsiString ToHashString() override;
 };//struct Material3DCreateConfig:public MaterialCreateConfig
 
+DEFINE_MATERIAL_FACTORY_CLASS(PureColor3D,      const Material3DCreateConfig);
 DEFINE_MATERIAL_FACTORY_CLASS(VertexColor3D,    const Material3DCreateConfig);
 DEFINE_MATERIAL_FACTORY_CLASS(VertexLuminance3D,const Material3DCreateConfig);
 DEFINE_MATERIAL_FACTORY_CLASS(Gizmo3D,          const Material3DCreateConfig);
diff --git a/src/ShaderGen/3d/M_PureColor3D.cpp b/src/ShaderGen/3d/M_PureColor3D.cpp
new file mode 100644
index 00000000..63657569
--- /dev/null
+++ b/src/ShaderGen/3d/M_PureColor3D.cpp
@@ -0,0 +1,75 @@
+#include"Std3DMaterial.h"
+#include<hgl/shadergen/MaterialCreateInfo.h>
+
+STD_MTL_NAMESPACE_BEGIN
+namespace
+{
+    constexpr const char mi_codes[]="vec4 Color;";          //材质实例代码
+    constexpr const uint32_t mi_bytes=sizeof(Vector4f);     //材质实例数据大小
+
+    constexpr const char vs_main[]=R"(
+void main()
+{
+    MaterialInstance mi=GetMI();
+
+    Output.Color=mi.Color;
+
+    gl_Position=GetPosition3D();
+})";
+
+    //一个shader中输出的所有数据，会被定义在一个名为Output的结构中。所以编写时要用Output.XXXX来使用。
+    //而同时，这个结构在下一个Shader中以Input名称出现，使用时以Input.XXX的形式使用。
+
+    constexpr const char fs_main[]=R"(
+void main()
+{
+    FragColor=Input.Color;
+})";// ^       ^
+    // |       |
+    // |       +--ps:这里的Input.Color就是上一个Shader中的Output.Color
+    // +--ps:这里的Color就是最终的RT
+
+    class MaterialPureColor3D:public Std3DMaterial
+    {
+    public:
+
+        using Std3DMaterial::Std3DMaterial;
+        ~MaterialPureColor3D()=default;
+
+        bool CustomVertexShader(ShaderCreateInfoVertex *vsc) override
+        {
+            if(!Std3DMaterial::CustomVertexShader(vsc))
+                return(false);
+
+            vsc->AddOutput(SVT_VEC4,"Color");
+
+            vsc->SetMain(vs_main);
+            return(true);
+        }
+
+        bool CustomFragmentShader(ShaderCreateInfoFragment *fsc) override
+        {
+            fsc->AddOutput(VAT_VEC4,"FragColor");       //Fragment shader的输出等于最终的RT了，所以这个名称其实随便起。
+
+            fsc->SetMain(fs_main);
+            return(true);
+        }
+
+        bool EndCustomShader() override
+        {
+            mci->SetMaterialInstance(   mi_codes,                       //材质实例glsl代码
+                                        mi_bytes,                       //材质实例数据大小
+                                        VK_SHADER_STAGE_VERTEX_BIT);    //只在Vertex Shader中使用材质实例最终数据
+
+            return(true);
+        }
+    };//class MaterialPureColor3D:public Std3DMaterial
+}//namespace
+
+MaterialCreateInfo *CreatePureColor3D(const VulkanDevAttr *dev_attr,const Material3DCreateConfig *cfg)
+{
+    MaterialPureColor3D mvc3d(cfg);
+
+    return mvc3d.Create(dev_attr);
+}
+STD_MTL_NAMESPACE_END
diff --git a/src/ShaderGen/CMakeLists.txt b/src/ShaderGen/CMakeLists.txt
index 027302d6..15152472 100644
--- a/src/ShaderGen/CMakeLists.txt
+++ b/src/ShaderGen/CMakeLists.txt
@@ -68,6 +68,7 @@ SET(STD_MTL_3D_SOURCE_FILES	${STD_MTL_HEADER_PATH}/Material3DCreateConfig.h
                             3d/Std3DMaterial.h
                             3d/Std3DMaterial.cpp
                             3d/Std3DMaterialLoader.cpp
+                            3d/M_PureColor3D.cpp
                             3d/M_VertexColor3D.cpp
                             3d/M_VertexLum3D.cpp
                             3d/M_BillboardDynamicSize.cpp