From 4cca9ba279f908f206fa5e32adccf1038f05cc7f Mon Sep 17 00:00:00 2001
From: Xiaohong Bao <bao@lindenlab.com>
Date: Mon, 29 Jul 2013 10:15:10 -0600
Subject: fix for SH-4293: texture console takes a while to settle down on
 Interesting viewer.

---
 indra/llmath/llcamera.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'indra/llmath/llcamera.cpp')

diff --git a/indra/llmath/llcamera.cpp b/indra/llmath/llcamera.cpp
index 054afd3e95..6a1e3804be 100755
--- a/indra/llmath/llcamera.cpp
+++ b/indra/llmath/llcamera.cpp
@@ -161,6 +161,22 @@ size_t LLCamera::readFrustumFromBuffer(const char *buffer)
 
 // ---------------- test methods  ---------------- 
 
+bool LLCamera::isChanged()
+{
+	bool changed = false;
+	for (U32 i = 0; i < mPlaneCount; i++)
+	{
+		U8 mask = mPlaneMask[i];
+		if (mask != 0xff && !changed)
+		{
+			changed = !mAgentPlanes[i].equal(mLastAgentPlanes[i]);
+		}
+		mLastAgentPlanes[i].set(mAgentPlanes[i]);
+	}
+
+	return changed;
+}
+
 S32 LLCamera::AABBInFrustum(const LLVector4a &center, const LLVector4a& radius, const LLPlane* planes) 
 {
 	static const LLVector4a scaler[] = {
-- 
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