SL-16972 Add free vram to texture console to rule out low vram for blurry textures.

indra/newview/lltextureview.cpp

@@ -549,9 +549,10 @@ void LLGLTexMemBar::draw()
     U32 texFetchLatMed = U32(recording.getMean(LLTextureFetch::sTexFetchLatency).value() * 1000.0f);
     U32 texFetchLatMax = U32(recording.getMax(LLTextureFetch::sTexFetchLatency).value() * 1000.0f);
 
-	text = llformat("GL Tot: %d/%d MB Bound: %4d/%4d MB FBO: %d MB Raw Tot: %d MB Bias: %.2f Cache: %.1f/%.1f MB",
+	text = llformat("GL Tot: %d/%d MB GL Free: %d MB Bound: %4d/%4d MB FBO: %d MB Raw Tot: %d MB Bias: %.2f Cache: %.1f/%.1f MB",
 					total_mem.value(),
 					max_total_mem.value(),
+                    LLImageGLThread::getFreeVRAMMegabytes(),
 					bound_mem.value(),
 					max_bound_mem.value(),
 					LLRenderTarget::sBytesAllocated/(1024*1024),