Attempt to get more log info in secondlife/viewer#3335 crash reports (#3470)

when failing to load basic vertex shaders

1 files changed, 3 insertions, 0 deletions

diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index 0885740934..37697f8a15 100644
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -466,6 +466,7 @@ GLuint LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shader_lev
 
     if (filename.empty())
     {
+        LL_WARNS("ShaderLoading") << "tried loading empty filename" << LL_ENDL;
         return 0;
     }
 
@@ -923,6 +924,8 @@ GLuint LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shader_lev
         }
         LL_WARNS("ShaderLoading") << "Failed to load " << filename << LL_ENDL;
     }
+
+    LL_DEBUGS("ShaderLoading") << "loadShaderFile() completed, ret: " << U32(ret) << LL_ENDL;
     return ret;
 }