3 files changed, 15 insertions, 4 deletions
diff --git a/indra/llimage/llimage.cpp b/indra/llimage/llimage.cpp
index 6775b005f4..916c346b7a 100644
--- a/indra/llimage/llimage.cpp
+++ b/indra/llimage/llimage.cpp
@@ -292,11 +292,16 @@ LLImageRaw::LLImageRaw(U16 width, U16 height, S8 components)
 	++sRawImageCount;
 }
 
-LLImageRaw::LLImageRaw(U8 *data, U16 width, U16 height, S8 components)
+LLImageRaw::LLImageRaw(U8 *data, U16 width, U16 height, S8 components, bool no_copy)
 	: LLImageBase()
 {
 	mMemType = LLMemType::MTYPE_IMAGERAW;
-	if(allocateDataSize(width, height, components))
+
+	if(no_copy)
+	{
+		setDataAndSize(data, width, height, components);
+	}
+	else if(allocateDataSize(width, height, components))
 	{
 		memcpy(getData(), data, width*height*components);
 	}
@@ -1660,6 +1665,12 @@ static void avg4_colors2(const U8* a, const U8* b, const U8* c, const U8* d, U8*
 	dst[1] = (U8)(((U32)(a[1]) + b[1] + c[1] + d[1])>>2);
 }
 
+void LLImageBase::setDataAndSize(U8 *data, S32 size)
+{ 
+	ll_assert_aligned(data, 16);
+	mData = data; mDataSize = size; 
+}	
+
 //static
 void LLImageBase::generateMip(const U8* indata, U8* mipdata, S32 width, S32 height, S32 nchannels)
 {
diff --git a/indra/llimage/llimage.h b/indra/llimage/llimage.h
index 46e6d1a901..5f54585005 100644
--- a/indra/llimage/llimage.h
+++ b/indra/llimage/llimage.h
@@ -148,7 +148,7 @@ public:
 
 protected:
 	// special accessor to allow direct setting of mData and mDataSize by LLImageFormatted
-	void setDataAndSize(U8 *data, S32 size) { mData = data; mDataSize = size; }	
+	void setDataAndSize(U8 *data, S32 size);
 	
 public:
 	static void generateMip(const U8 *indata, U8* mipdata, int width, int height, S32 nchannels);
@@ -189,7 +189,7 @@ protected:
 public:
 	LLImageRaw();
 	LLImageRaw(U16 width, U16 height, S8 components);
-	LLImageRaw(U8 *data, U16 width, U16 height, S8 components);
+	LLImageRaw(U8 *data, U16 width, U16 height, S8 components, bool no_copy = false);
 	// Construct using createFromFile (used by tools)
 	//LLImageRaw(const std::string& filename, bool j2c_lowest_mip_only = false);
 
diff --git a/indra/llimage/llimagej2c.cpp b/indra/llimage/llimagej2c.cpp
index 452aad25cb..452aad25cb 100644..100755
--- a/indra/llimage/llimagej2c.cpp
+++ b/indra/llimage/llimagej2c.cpp