Merge branch 'develop' into nat/edu-channel

1 files changed, 14 insertions, 1 deletions

diff --git a/indra/llimage/llimagedxt.cpp b/indra/llimage/llimagedxt.cpp
index f75b1a72df..6b960f9077 100644
--- a/indra/llimage/llimagedxt.cpp
+++ b/indra/llimage/llimagedxt.cpp
@@ -176,6 +176,8 @@ bool LLImageDXT::updateData()
 {
     resetLastError();
 
+    LLImageDataLock lock(this);
+
     U8* data = getData();
     S32 data_size = getDataSize();
 
@@ -269,6 +271,9 @@ bool LLImageDXT::decode(LLImageRaw* raw_image, F32 time)
         return false;
     }
 
+    LLImageDataSharedLock lockIn(this);
+    LLImageDataLock lockOut(raw_image);
+
     S32 width = getWidth(), height = getHeight();
     S32 ncomponents = getComponents();
     U8* data = NULL;
@@ -309,6 +314,9 @@ bool LLImageDXT::getMipData(LLPointer<LLImageRaw>& raw, S32 discard)
     {
         LL_ERRS() << "Request for invalid discard level" << LL_ENDL;
     }
+
+    LLImageDataSharedLock lock(this);
+
     U8* data = getData() + getMipOffset(discard);
     S32 width = 0;
     S32 height = 0;
@@ -339,6 +347,8 @@ bool LLImageDXT::encodeDXT(const LLImageRaw* raw_image, F32 time, bool explicit_
         return 0;
     }
 
+    LLImageDataLock lock(this);
+
     S32 width = raw_image->getWidth();
     S32 height = raw_image->getHeight();
 
@@ -430,6 +440,9 @@ bool LLImageDXT::convertToDXR()
         return false;
     }
     mFileFormat = newformat;
+
+    LLImageDataLock lock(this);
+
     S32 width = getWidth(), height = getHeight();
     S32 nmips = calcNumMips(width,height);
     S32 total_bytes = getDataSize();
@@ -463,7 +476,7 @@ bool LLImageDXT::convertToDXR()
 // virtual
 S32 LLImageDXT::calcHeaderSize()
 {
-    return llmax(sizeof(dxtfile_header_old_t), sizeof(dxtfile_header_t));
+    return static_cast<S32>(llmax(sizeof(dxtfile_header_old_t), sizeof(dxtfile_header_t)));
 }
 
 // virtual