mc/gi: generate GLSL for material IOR

pablode · May 26, 2024 · 4f65898 · 4f65898
1 parent 74d377f
commit 4f65898
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Showing 3 changed files with 6 additions and 3 deletions.
diff --git a/src/gi/src/GlslShaderGen.cpp b/src/gi/src/GlslShaderGen.cpp
@@ -193,7 +193,8 @@ namespace gtl
 
   bool GiGlslShaderGen::generateMaterialShadingGenInfo(const McMaterial& material, MaterialGenInfo& genInfo)
   {
-    auto dfFlags = MC_DF_FLAG_SCATTERING | MC_DF_FLAG_VOLUME_ABSORPTION | MC_DF_FLAG_VOLUME_SCATTERING | MC_DF_FLAG_THIN_WALLED;
+    auto dfFlags = MC_DF_FLAG_SCATTERING | MC_DF_FLAG_VOLUME_ABSORPTION | MC_DF_FLAG_VOLUME_SCATTERING |
+                   MC_DF_FLAG_THIN_WALLED | MC_DF_FLAG_IOR;
 
     if (material.isEmissive)
     {

diff --git a/src/mc/include/Backend.h b/src/mc/include/Backend.h
@@ -54,7 +54,8 @@ namespace gtl
     MC_DF_FLAG_VOLUME_ABSORPTION  = (1 << 4),
     MC_DF_FLAG_VOLUME_SCATTERING  = (1 << 5),
     MC_DF_FLAG_CUTOUT_OPACITY     = (1 << 6),
-    MC_DF_FLAG_COUNT              = 7
+    MC_DF_FLAG_IOR                = (1 << 7),
+    MC_DF_FLAG_COUNT              = 8
   };
 
   class McBackend

diff --git a/src/mc/src/Backend.cpp b/src/mc/src/Backend.cpp
@@ -42,7 +42,8 @@ namespace gtl
     mi::neuraylib::Target_function_description("thin_walled", "mdl_thin_walled"),
     mi::neuraylib::Target_function_description("volume.absorption_coefficient", "mdl_volume_absorption_coefficient"),
     mi::neuraylib::Target_function_description("volume.scattering_coefficient", "mdl_volume_scattering_coefficient"),
-    mi::neuraylib::Target_function_description("geometry.cutout_opacity", "mdl_cutout_opacity")
+    mi::neuraylib::Target_function_description("geometry.cutout_opacity", "mdl_cutout_opacity"),
+    mi::neuraylib::Target_function_description("ior", "mdl_ior")
   };
   const static char* MATERIAL_STATE_NAME = "State";