added MFGetPosition.h

inc/hgl/graph/mtl/2d/Material2DConfig.h

@@ -15,9 +15,9 @@ public:
 
     Material2DConfig(const AnsiString &name):MaterialConfig(name)
     {
-        rt_output.color=1;
-        rt_output.depth=false;
-        rt_output.stencil=false;
+        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;

src/ShaderGen/2d/VertexColor2D.cpp

@@ -13,23 +13,12 @@ MaterialCreateInfo *CreateVertexColor2D(const Material2DConfig *cfg)
 
     RANGE_CHECK_RETURN_NULLPTR(cfg->coordinate_system)
 
-    AnsiString mtl_name;
-
-    const RenderTargetOutputConfig rtoc
-    {
-        1,      //输出一个颜色
-        false,  //不输出深度
-        false   //不输出stencil
-    };
-
     MaterialCreateInfo *mci=new MaterialCreateInfo(cfg);
 
     AnsiString sfComputePosition;
 
     if(cfg->coordinate_system==CoordinateSystem2D::Ortho)
     {    
-        mtl_name="VertexColor2DOrtho";
-    
         mci->AddUBO(VK_SHADER_STAGE_VERTEX_BIT,
                     DescriptorSetType::Global,
                     SBS_ViewportInfo);
@@ -39,14 +28,10 @@ MaterialCreateInfo *CreateVertexColor2D(const Material2DConfig *cfg)
     else
     if(cfg->coordinate_system==CoordinateSystem2D::ZeroToOne)
     {
-        mtl_name="VertexColor2DZeroToOne";
-
         sfComputePosition="vec4 ComputePosition(vec4 pos){return vec4(pos.xy*2-1,pos.z,pos.w);}";
     }
     else
     {
-        mtl_name="VertexColor2DNDC";
-
         sfComputePosition="vec4 ComputePosition(vec4 pos){return pos;}";
     }
 

src/ShaderGen/ShaderCreateInfo.cpp

@@ -270,7 +270,7 @@ bool ShaderCreateInfo::CreateShader(ShaderCreateInfo *last_sc)
 
     ProcOutput();
 
-    for(uint i=0;i<function_list.GetCount();i++)
+    for(int i=0;i<function_list.GetCount();i++)
     {
         final_shader+="\n";
         final_shader+=function_list[i];

src/ShaderGen/common/MFCommon.h

@@ -31,5 +31,7 @@ MaterialInstance GetMI()
     return mtl.mi[MaterialInstanceID];
 }
 )";
+
+
 }//namespace func
 STD_MTL_NAMESPACE_END

src/ShaderGen/common/MFGetPosition.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include<hgl/graph/mtl/StdMaterial.h>
+#include<hgl/graph/CoordinateSystem.h>
+STD_MTL_NAMESPACE_BEGIN
+namespace func
+{
+    constexpr const char *GetPosition2D[size_t(CoordinateSystem2D::RANGE_SIZE)]=
+    {
+        R"(vec4 GetPosition2D(vec4 pos)
+{
+    return pos;
+})",
+
+R"(vec4 GetPosition2D(vec4 pos)
+{
+    return vec4(pos.xy*2-1,pos.z,pos.w);
+})",
+
+R"(vec4 GetPosition2D(vec4 pos)
+{
+    return viewport.ortho_matrix*pos;
+})"
+    };
+}//namespace func
+STD_MTL_NAMESPACE_END