From 50233f6ffb4ef0ba4cf5ffdd7bc75103bc93dd8a Mon Sep 17 00:00:00 2001
From: Brad Davis <bdavis@saintandreas.org>
Date: Thu, 15 Sep 2016 14:29:02 -0700
Subject: [PATCH] Don't re-report texture memory usage until the returned value
 changes

---
 libraries/gpu-gl/src/gpu/gl/GLTexture.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/libraries/gpu-gl/src/gpu/gl/GLTexture.cpp b/libraries/gpu-gl/src/gpu/gl/GLTexture.cpp
index fc50c69538..3a45f55646 100644
--- a/libraries/gpu-gl/src/gpu/gl/GLTexture.cpp
+++ b/libraries/gpu-gl/src/gpu/gl/GLTexture.cpp
@@ -93,6 +93,7 @@ const std::vector<GLenum>& GLTexture::getFaceTargets(GLenum target) {
 }
 
 #define MIN_FREE_GPU_MEMORY_PERCENTAGE 0.25f
+
 float GLTexture::getMemoryPressure() {
     // Check for an explicit memory limit
     auto availableTextureMemory = Texture::getAllowedGPUMemoryUsage();
@@ -107,8 +108,10 @@ float GLTexture::getMemoryPressure() {
         } else {
             // Check the global free GPU memory
             auto freeGpuMemory = getFreeDedicatedMemory();
-            if (freeGpuMemory) {
-                auto freePercentage = (float)freeGpuMemory / (float)totalGpuMemory;
+            static gpu::Size lastFreeGpuMemory = 0;
+            auto freePercentage = (float)freeGpuMemory / (float)totalGpuMemory;
+            if (freeGpuMemory != lastFreeGpuMemory) {
+                lastFreeGpuMemory = freeGpuMemory;
                 if (freePercentage < MIN_FREE_GPU_MEMORY_PERCENTAGE) {
                     qDebug() << "Exceeded max GPU memory";
                     return 2.0;