From e22a2e9e2fc424cb5584774d8f087b7c7c79e3ef Mon Sep 17 00:00:00 2001
From: Brad Hefta-Gaub <brad@highfidelity.io>
Date: Tue, 25 Oct 2016 14:56:54 -0700
Subject: [PATCH] add gl info and gpu free memory to user stats

---
 interface/src/Application.cpp     |  6 ++++--
 libraries/gl/src/gl/GLHelpers.cpp | 25 +++++++++++++++----------
 2 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index e6fc4398c4..f70685a8b2 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -1181,8 +1181,6 @@ Application::Application(int& argc, char** argv, QElapsedTimer& startupTimer, bo
         properties["current_path"] = currentPath;
         properties["build_version"] = BuildInfo::VERSION;
 
-        qDebug() << "just sent stats with:" << currentDomain << currentPath << "build:" << BuildInfo::VERSION;
-
         auto displayPlugin = qApp->getActiveDisplayPlugin();
 
         properties["fps"] = _frameCounter.rate();
@@ -1233,6 +1231,10 @@ Application::Application(int& argc, char** argv, QElapsedTimer& startupTimer, bo
         properties["active_display_plugin"] = getActiveDisplayPlugin()->getName();
         properties["using_hmd"] = isHMDMode();
 
+        auto glInfo = getGLContextData();
+        properties["gl_info"] = glInfo;
+        properties["gpu_free_memory"] = (int)BYTES_TO_MB(gpu::Context::getFreeGPUMemory());
+
         auto hmdHeadPose = getHMDSensorPose();
         properties["hmd_head_pose_changed"] = isHMDMode() && (hmdHeadPose != lastHMDHeadPose);
         lastHMDHeadPose = hmdHeadPose;
diff --git a/libraries/gl/src/gl/GLHelpers.cpp b/libraries/gl/src/gl/GLHelpers.cpp
index dde1e0ec97..1604edccac 100644
--- a/libraries/gl/src/gl/GLHelpers.cpp
+++ b/libraries/gl/src/gl/GLHelpers.cpp
@@ -35,17 +35,22 @@ int glVersionToInteger(QString glVersion) {
 }
 
 QJsonObject getGLContextData() {
-    QString glVersion = QString((const char*)glGetString(GL_VERSION));
-    QString glslVersion = QString((const char*) glGetString(GL_SHADING_LANGUAGE_VERSION));
-    QString glVendor = QString((const char*) glGetString(GL_VENDOR));
-    QString glRenderer = QString((const char*)glGetString(GL_RENDERER));
+    static QJsonObject result;
+    static std::once_flag once;
+    std::call_once(once, [] {
+        QString glVersion = QString((const char*)glGetString(GL_VERSION));
+        QString glslVersion = QString((const char*) glGetString(GL_SHADING_LANGUAGE_VERSION));
+        QString glVendor = QString((const char*) glGetString(GL_VENDOR));
+        QString glRenderer = QString((const char*)glGetString(GL_RENDERER));
 
-    return QJsonObject {
-        { "version", glVersion },
-        { "slVersion", glslVersion },
-        { "vendor", glVendor },
-        { "renderer", glRenderer },
-    };
+        result = QJsonObject {
+            { "version", glVersion },
+            { "slVersion", glslVersion },
+            { "vendor", glVendor },
+            { "renderer", glRenderer },
+        };
+    });
+    return result;
 }
 
 QThread* RENDER_THREAD = nullptr;