for SH-3073: implement a fast cache system for texture fetching

2 files changed, 8 insertions, 3 deletions

diff --git a/indra/llimage/llimage.cpp b/indra/llimage/llimage.cpp
index 6775b005f4..e6b838c5b2 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);
 	}
diff --git a/indra/llimage/llimage.h b/indra/llimage/llimage.h
index 46e6d1a901..99023351c2 100644
--- a/indra/llimage/llimage.h
+++ b/indra/llimage/llimage.h
@@ -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);