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-rw-r--r--indra/llrender/llimagegl.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/indra/llrender/llimagegl.h b/indra/llrender/llimagegl.h
index 619421e68a..1bcdd040e0 100644
--- a/indra/llrender/llimagegl.h
+++ b/indra/llrender/llimagegl.h
@@ -53,7 +53,10 @@ class LLImageGL : public LLRefCount
friend class LLTexUnit;
public:
- // For OS X use only -- get an estimate of how many bytes have been allocated in vram for textures
+ // Get an estimate of how many bytes have been allocated in vram for textures.
+ // Does not include mipmaps.
+ // NOTE: multiplying this number by two gives a good estimate for total
+ // video memory usage based on testing in lagland against an NVIDIA GPU.
static U64 getTextureBytesAllocated();
// These 2 functions replace glGenTextures() and glDeleteTextures()