1 files changed, 20 insertions, 0 deletions
diff --git a/indra/llprimitive/llmaterial.cpp b/indra/llprimitive/llmaterial.cpp
index a219ac1450..37525e4a3d 100644
--- a/indra/llprimitive/llmaterial.cpp
+++ b/indra/llprimitive/llmaterial.cpp
@@ -27,6 +27,7 @@
 #include "linden_common.h"
 
 #include "llmaterial.h"
+#include "hbxxh.h"
 
 /**
  * Materials cap parameters
@@ -331,6 +332,17 @@ void LLMaterial::setAlphaMaskCutoff(U8 cutoff)
     mAlphaMaskCutoff = cutoff;
 }
 
+LLUUID LLMaterial::getMaterialID() const
+{
+    // TODO - not null
+    return LLUUID::null;
+}
+
+void LLMaterial::setMaterialID(const LLUUID &material_id)
+{
+    // TODO - set
+}
+
 LLSD LLMaterial::asLLSD() const
 {
     LLSD material_data;
@@ -464,4 +476,12 @@ U32 LLMaterial::getShaderMask(U32 alpha_mode)
     return ret;
 }
 
+LLUUID LLMaterial::getHash() const
+{
+    LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+    // HACK - hash the bytes of this LLMaterial, but trim off the S32 in LLRefCount
+    LLUUID id;
+    HBXXH128::digest(id, (unsigned char*)this + sizeof(LLRefCount), sizeof(*this) - sizeof(LLRefCount));
+    return id;
+}