Merge branch '20660' of github.com:thoys/hifi into 20660

assignment-client/CMakeLists.txt

@@ -1,6 +1,6 @@
 set(TARGET_NAME assignment-client)
 
-setup_hifi_project(Core Gui Network Script Widgets)
+setup_hifi_project(Core Gui Network Script Widgets WebSockets)
 
 add_dependency_external_projects(glm)
 find_package(GLM REQUIRED)

assignment-client/src/Agent.cpp

@@ -24,6 +24,7 @@
 #include <SoundCache.h>
 #include <UUID.h>
 
+#include <WebSocketServerClass.h>
 #include <EntityScriptingInterface.h> // TODO: consider moving to scriptengine.h
 
 #include "avatars/ScriptableAvatar.h"
@@ -180,10 +181,17 @@ void Agent::run() {
     // register ourselves to the script engine
     _scriptEngine.registerGlobalObject("Agent", this);
 
+    if (!_payload.isEmpty()) {
+        _scriptEngine.setParentURL(_payload);
+    }
+
     _scriptEngine.init(); // must be done before we set up the viewers
 
     _scriptEngine.registerGlobalObject("SoundCache", DependencyManager::get<SoundCache>().data());
 
+    QScriptValue webSocketServerConstructorValue = _scriptEngine.newFunction(WebSocketServerClass::constructor);
+    _scriptEngine.globalObject().setProperty("WebSocketServer", webSocketServerConstructorValue);
+
     auto entityScriptingInterface = DependencyManager::get<EntityScriptingInterface>();
 
     _scriptEngine.registerGlobalObject("EntityViewer", &_entityViewer);

cmake/externals/LibOVR/CMakeLists.txt

@@ -5,6 +5,21 @@ set(EXTERNAL_NAME LibOVR)
 
 string(TOUPPER ${EXTERNAL_NAME} EXTERNAL_NAME_UPPER)
 
+# These are all provided in order to allow easier testing of both
+# the legacy display plugin and the new windows only plugin on 
+# various versions of the SDK, all on windows
+#
+# 0.5 public
+#    URL http://static.oculus.com/sdk-downloads/ovr_sdk_win_0.5.0.1.zip
+#    URL_MD5 d3fc4c02db9be5ff08af4ef4c97b32f9
+# 0.6 public
+#    URL http://static.oculus.com/sdk-downloads/0.6.0.1/Public/1435190862/ovr_sdk_win_0.6.0.1.zip
+#    URL_MD5 4b3ef825f9a1d6d3035c9f6820687da9
+# 0.7 alpha
+#    URL https://s3.amazonaws.com/static.oculus.com/sdk-downloads/0.7.0.0/Public/Alpha/ovr_sdk_win_0.7.0.0_RC1.zip
+#    URL_MD5 a562bb9d117087b2cf9d86653ea70fd8
+
+
 if (WIN32)
 
   ExternalProject_Add(

examples/libraries/unitTest.js

@@ -11,17 +11,14 @@
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 
-var test = function(name, func) {
+test = function(name, func, timeout) {
     print("Running test: " + name);
-
-    var unitTest = new UnitTest(name, func);
-
-    try {
-        unitTest.run();
+    var unitTest = new UnitTest(name, func, timeout);
+    unitTest.run(function(unitTest) {
         print("  Success: " + unitTest.numAssertions + " assertions passed");
-    } catch (error) {
+    }, function(unitTest, error) {
         print("  Failure: " + error.name + " " + error.message);
-    }
+    });
 };
 
 AssertionException = function(expected, actual, message) {
@@ -36,13 +33,86 @@ UnthrownException = function(message) {
     this.name = 'UnthrownException';
 };
 
-UnitTest = function(name, func) {
-    this.numAssertions = 0;
-    this.func = func;
+TimeoutException = function() {
+    print("Creating exception");
+    this.message = "UnitTest timed out\n";
+    this.name = 'TimeoutException';
 };
 
-UnitTest.prototype.run = function() {
-    this.func();
+SequentialUnitTester = function() {
+    this.tests = [];
+    this.testIndex = -1;
+};
+
+SequentialUnitTester.prototype.addTest = function(name, func, timeout) {
+    var _this = this;
+    this.tests.push(function() {
+        print("Running test: " + name);
+        var unitTest = new UnitTest(name, func, timeout);
+        unitTest.run(function(unitTest) {
+            print("  Success: " + unitTest.numAssertions + " assertions passed");
+            _this._nextTest();
+        }, function(unitTest, error) {
+            print("  Failure: " + error.name + " " + error.message);
+            _this._nextTest();
+        });
+    });
+};
+
+SequentialUnitTester.prototype._nextTest = function() {
+    this.testIndex++;
+    if (this.testIndex < this.tests.length) {
+        this.tests[this.testIndex]();
+        return;
+    }
+    print("Completed all UnitTests");
+};
+
+SequentialUnitTester.prototype.run = function() {
+    this._nextTest();
+};
+
+UnitTest = function(name, func, timeout) {
+    this.numAssertions = 0;
+    this.func = func;
+    this.timeout = timeout;
+};
+
+UnitTest.prototype.run = function(successCallback, failureCallback) {
+    var _this = this;
+    this.successCallback = successCallback;
+    this.failureCallback = failureCallback;
+    if (this.timeout !== undefined) {
+       this.timeoutTimer = Script.setTimeout(function() {
+           _this.failureCallback(this, new TimeoutException());
+       }, this.timeout);
+    }
+    try {
+        this.func();
+        if (this.timeout === undefined) {
+            successCallback(this);
+        }
+    } catch (exception) {
+        this.handleException(exception);
+    }
+};
+
+UnitTest.prototype.registerCallbackFunction = function(func) {
+    var _this = this;
+    return function(one, two, three, four, five, six) {
+        try {
+            func(one, two, three, four, five, six);
+        } catch (exception) {
+            _this.handleException(exception);
+        }
+    };
+};
+
+UnitTest.prototype.handleException = function(exception) {
+    if (this.timeout !== undefined) {
+        Script.clearTimeout(this.timeoutTimer);
+    }
+    this.failureCallback(this, exception);
 };
 
 UnitTest.prototype.assertNotEquals = function(expected, actual, message) {
@@ -83,7 +153,7 @@ UnitTest.prototype.assertNull = function(value, message) {
 UnitTest.prototype.arrayEqual = function(array1, array2, message) {
     this.numAssertions++;
     if (array1.length !== array2.length) {
-        throw new AssertionException(array1.length , array2.length , message);
+        throw new AssertionException(array1.length, array2.length , message);
     }
     for (var i = 0; i < array1.length; ++i) {
         if (array1[i] !== array2[i]) {
@@ -101,4 +171,11 @@ UnitTest.prototype.raises = function(func, message) {
     }
     
     throw new UnthrownException(message);
-}
+}
+
+UnitTest.prototype.done = function() {
+    if (this.timeout !== undefined) {
+        Script.clearTimeout(this.timeoutTimer);
+        this.successCallback(this);
+    }
+}

examples/utilities/diagnostics/testWebSocket.js

@@ -0,0 +1,102 @@
+//
+//  testWebSocket.js
+//  examples
+//
+//  Created by Thijs Wenker on 8/18/15
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  WebSocket and WebSocketServer Tests
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+
+Script.include("../../libraries/unitTest.js");
+
+// We set the unit testing timeout to 1000 milliseconds by default. Please increase if the test fails due to a slow connection.
+const UNITTEST_TIMEOUT = 1000;
+const WEBSOCKET_PING_URL = "ws://echo.websocket.org";
+// Please do not register the following domain + gTLD:
+const WEBSOCKET_INVALID_URL = "ws://thisisnotavaliddomainname.invalid";
+const TEST_MESSAGE = "This is a test message.";
+
+var unitTests = new SequentialUnitTester();
+
+unitTests.addTest("Test default WebSocket values", function(finished) {
+    var _this = this;
+    var webSocket = new WebSocket(WEBSOCKET_PING_URL);
+    
+    webSocket.onmessage = this.registerCallbackFunction(function(event) {
+        _this.assertEquals(TEST_MESSAGE, event.data, "event.data should be '" + TEST_MESSAGE + "'");
+        webSocket.close();
+    });
+    webSocket.onopen = this.registerCallbackFunction(function(event) {
+        _this.assertEquals(webSocket.OPEN, webSocket.readyState, "readyState should be OPEN");
+        webSocket.send(TEST_MESSAGE);
+    });
+    webSocket.onclose = this.registerCallbackFunction(function(event) {
+        _this.assertEquals(webSocket.CLOSED, webSocket.readyState, "readyState should be CLOSED");
+        _this.done();
+    });
+    this.assertEquals(webSocket.CONNECTING, webSocket.readyState, "readyState should be CONNECTING");
+    this.assertEquals("blob", webSocket.binaryType, "binaryType should be 'blob'");
+    this.assertEquals(0, webSocket.bufferedAmount, "bufferedAmount should be 0");
+    this.assertEquals("", webSocket.extensions, "extensions should be an empty string by default");
+    this.assertEquals("", webSocket.protocol, "protocol should be an empty string by default");
+    this.assertEquals(WEBSOCKET_PING_URL, webSocket.url, "url should be '" + WEBSOCKET_PING_URL + "'");
+}, UNITTEST_TIMEOUT);
+
+unitTests.addTest("Test WebSocket invalid URL", function(finished) {
+    var _this = this;
+    var webSocket = new WebSocket(WEBSOCKET_INVALID_URL);
+    var hadError = false;
+    webSocket.onerror = this.registerCallbackFunction(function() {
+        hadError = true;
+        _this.done();
+    });
+    webSocket.onclose = this.registerCallbackFunction(function(event) {
+        _this.assertEquals(webSocket.CLOSED, webSocket.readyState, "readyState should be CLOSED");
+    });
+    this.assertEquals(webSocket.CONNECTING, webSocket.readyState, "readyState should be CONNECTING");
+    this.assertEquals(WEBSOCKET_INVALID_URL, webSocket.url, "url should be '" + WEBSOCKET_INVALID_URL + "'");
+}, UNITTEST_TIMEOUT);
+
+if (this.WebSocketServer === undefined) {
+    print("Skipping WebSocketServer tests.");
+} else {
+    unitTests.addTest("Test WebSocketServer with three clients", function(finished) {
+        var _this = this;
+        const NUMBER_OF_CLIENTS = 3;
+        var connectedClients = 0;
+        var respondedClients = 0;
+        var webSocketServer = new WebSocketServer();
+        _this.assertEquals(true, webSocketServer.listening, "listening should be true");
+        webSocketServer.newConnection.connect(this.registerCallbackFunction(function(newClient) {
+            connectedClients++;
+            newClient.onmessage = _this.registerCallbackFunction(function(event) {
+                var data = JSON.parse(event.data);
+                _this.assertEquals(TEST_MESSAGE, data.message, "data.message should be '" + TEST_MESSAGE + "'");
+                respondedClients++;
+                if (respondedClients === NUMBER_OF_CLIENTS) {
+                    webSocketServer.close();
+                    _this.assertEquals(false, webSocketServer.listening, "listening should be false");
+                    _this.done();
+                }
+            });
+            newClient.send(JSON.stringify({message: TEST_MESSAGE, client: connectedClients}));
+        }));
+        var newSocket1 = new WebSocket(webSocketServer.url);
+        newSocket1.onmessage = this.registerCallbackFunction(function(event) {
+            newSocket1.send(event.data);
+        });
+        var newSocket2 = new WebSocket(webSocketServer.url);
+        newSocket2.onmessage = this.registerCallbackFunction(function(event) {
+            newSocket2.send(event.data);
+        });
+        var newSocket3 = new WebSocket(webSocketServer.url);
+        newSocket3.onmessage = this.registerCallbackFunction(function(event) {
+            newSocket3.send(event.data);
+        });
+    }, UNITTEST_TIMEOUT);
+}
+
+unitTests.run();

interface/CMakeLists.txt

@@ -40,7 +40,7 @@ else ()
   list(REMOVE_ITEM INTERFACE_SRCS ${SPEECHRECOGNIZER_CPP})
 endif ()
 
-find_package(Qt5 COMPONENTS Gui Multimedia Network OpenGL Qml Quick Script Svg WebKitWidgets)
+find_package(Qt5 COMPONENTS Gui Multimedia Network OpenGL Qml Quick Script Svg WebKitWidgets WebSockets)
 
 # grab the ui files in resources/ui
 file (GLOB_RECURSE QT_UI_FILES ui/*.ui)

interface/src/Application.cpp

@@ -58,6 +58,8 @@
 #include <AutoUpdater.h>
 #include <DeferredLightingEffect.h>
 #include <DependencyManager.h>
+#include <plugins/PluginContainer.h>
+#include <plugins/PluginManager.h>
 #include <display-plugins/DisplayPlugin.h>
 
 #include <EntityScriptingInterface.h>
@@ -148,6 +150,8 @@
 
 #include "ui/overlays/Cube3DOverlay.h"
 
+#include "PluginContainerProxy.h"
+
 // ON WIndows PC, NVidia Optimus laptop, we want to enable NVIDIA GPU
 // FIXME seems to be broken.
 #if defined(Q_OS_WIN)
@@ -301,7 +305,7 @@ bool setupEssentials(int& argc, char** argv) {
 // continuing to overburden Application.cpp
 Cube3DOverlay* _keyboardFocusHighlight{ nullptr };
 int _keyboardFocusHighlightID{ -1 };
-
+PluginContainer* _pluginContainer;
 
 Application::Application(int& argc, char** argv, QElapsedTimer &startup_time) :
         QApplication(argc, argv),
@@ -351,7 +355,9 @@ Application::Application(int& argc, char** argv, QElapsedTimer &startup_time) :
         _applicationOverlay()
 {
     setInstance(this);
-    Plugin::setContainer(this);
+
+    _pluginContainer = new PluginContainerProxy();
+    Plugin::setContainer(_pluginContainer);
 #ifdef Q_OS_WIN
     installNativeEventFilter(&MyNativeEventFilter::getInstance());
 #endif
@@ -995,6 +1001,8 @@ void Application::paintGL() {
     auto displayPlugin = getActiveDisplayPlugin();
     displayPlugin->preRender();
     _offscreenContext->makeCurrent();
+    // update the avatar with a fresh HMD pose
+    _myAvatar->updateFromHMDSensorMatrix(getHMDSensorPose());
 
     auto lodManager = DependencyManager::get<LODManager>();
 
@@ -1091,7 +1099,6 @@ void Application::paintGL() {
                                glm::vec3(0.0f, 0.0f, -1.0f) * MIRROR_FULLSCREEN_DISTANCE * _scaleMirror);
         renderArgs._renderMode = RenderArgs::MIRROR_RENDER_MODE;
     }
-
     // Update camera position
     if (!isHMDMode()) {
         _myCamera.update(1.0f / _fps);
@@ -1100,64 +1107,46 @@ void Application::paintGL() {
 
     // Primary rendering pass
     auto framebufferCache = DependencyManager::get<FramebufferCache>();
-    QSize size = framebufferCache->getFrameBufferSize();
+    const QSize size = framebufferCache->getFrameBufferSize();
     {
         PROFILE_RANGE(__FUNCTION__ "/mainRender");
         // Viewport is assigned to the size of the framebuffer
-        QSize size = DependencyManager::get<FramebufferCache>()->getFrameBufferSize();
-        renderArgs._viewport = glm::ivec4(0, 0, size.width(), size.height());
-
-        {
-            PROFILE_RANGE(__FUNCTION__ "/clear");
-            doInBatch(&renderArgs, [&](gpu::Batch& batch) {
-                auto primaryFbo = DependencyManager::get<FramebufferCache>()->getPrimaryFramebuffer();
-                batch.setFramebuffer(primaryFbo);
-                // clear the normal and specular buffers
-                batch.clearFramebuffer(
-                    gpu::Framebuffer::BUFFER_COLOR0 |
-                    gpu::Framebuffer::BUFFER_COLOR1 |
-                    gpu::Framebuffer::BUFFER_COLOR2 |
-                    gpu::Framebuffer::BUFFER_DEPTH,
-                    vec4(vec3(0), 1), 1.0, 0.0);
-            });
-        }
-
+        renderArgs._viewport = ivec4(0, 0, size.width(), size.height());
         if (displayPlugin->isStereo()) {
-            PROFILE_RANGE(__FUNCTION__ "/stereoRender");
-            QRect currentViewport(QPoint(0, 0), QSize(size.width() / 2, size.height()));
-            glEnable(GL_SCISSOR_TEST);
-            for_each_eye([&](Eye eye){
-                // Load the view frustum, used by meshes
-                Camera eyeCamera;
-                if (qApp->isHMDMode()) {
-                    // Allow the displayPlugin to compose the final eye transform, based on the most up-to-date head motion.
-                    eyeCamera.setTransform(displayPlugin->getModelview(eye, _myAvatar->getSensorToWorldMatrix()));
-                } else {
-                    eyeCamera.setTransform(displayPlugin->getModelview(eye, _myCamera.getTransform()));
-                }
-                eyeCamera.setProjection(displayPlugin->getProjection(eye, _myCamera.getProjection()));
-                renderArgs._viewport = toGlm(currentViewport);
-                doInBatch(&renderArgs, [&](gpu::Batch& batch) {
-                    batch.setViewportTransform(renderArgs._viewport);
-                    batch.setStateScissorRect(renderArgs._viewport);
-                });
-                displaySide(&renderArgs, eyeCamera);
-            }, [&] {
-                currentViewport.moveLeft(currentViewport.width());
+            // Stereo modes will typically have a larger projection matrix overall,
+            // so we ask for the 'mono' projection matrix, which for stereo and HMD
+            // plugins will imply the combined projection for both eyes.  
+            //
+            // This is properly implemented for the Oculus plugins, but for OpenVR
+            // and Stereo displays I'm not sure how to get / calculate it, so we're 
+            // just relying on the left FOV in each case and hoping that the 
+            // overall culling margin of error doesn't cause popping in the 
+            // right eye.  There are FIXMEs in the relevant plugins
+            _myCamera.setProjection(displayPlugin->getProjection(Mono, _myCamera.getProjection()));
+            renderArgs._context->enableStereo(true);
+            mat4 eyeViews[2];
+            mat4 eyeProjections[2];
+            auto baseProjection = renderArgs._viewFrustum->getProjection();
+            // FIXME we probably don't need to set the projection matrix every frame,
+            // only when the display plugin changes (or in non-HMD modes when the user 
+            // changes the FOV manually, which right now I don't think they can.
+            for_each_eye([&](Eye eye) {
+                // For providing the stereo eye views, the HMD head pose has already been 
+                // applied to the avatar, so we need to get the difference between the head 
+                // pose applied to the avatar and the per eye pose, and use THAT as
+                // the per-eye stereo matrix adjustment.
+                mat4 eyePose = displayPlugin->getEyePose(eye);
+                mat4 headPose = displayPlugin->getHeadPose();
+                mat4 eyeView = glm::inverse(eyePose) * headPose;
+                eyeViews[eye] = eyeView;
+                eyeProjections[eye] = displayPlugin->getProjection(eye, baseProjection);
             });
-            glDisable(GL_SCISSOR_TEST);
-        } else {
-            PROFILE_RANGE(__FUNCTION__ "/monoRender");
-            renderArgs._viewport = gpu::Vec4i(0, 0, size.width(), size.height());
-            // Viewport is assigned to the size of the framebuffer
-            doInBatch(&renderArgs, [&](gpu::Batch& batch) {
-                batch.setViewportTransform(renderArgs._viewport);
-                batch.setStateScissorRect(renderArgs._viewport);
-            });
-            displaySide(&renderArgs, _myCamera);
+            renderArgs._context->setStereoProjections(eyeProjections);
+            renderArgs._context->setStereoViews(eyeViews);
         }
-
-        doInBatch(&renderArgs, [](gpu::Batch& batch){
+        displaySide(&renderArgs, _myCamera);
+        renderArgs._context->enableStereo(false);
+        doInBatch(&renderArgs, [](gpu::Batch& batch) {
             batch.setFramebuffer(nullptr);
         });
     }
@@ -1191,7 +1180,6 @@ void Application::paintGL() {
         PROFILE_RANGE(__FUNCTION__ "/pluginOutput");
         auto primaryFbo = framebufferCache->getPrimaryFramebuffer();
         GLuint finalTexture = gpu::GLBackend::getTextureID(primaryFbo->getRenderBuffer(0));
-        uvec2 finalSize = toGlm(size);
         // Ensure the rendering context commands are completed when rendering 
         GLsync sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
         // Ensure the sync object is flushed to the driver thread before releasing the context
@@ -1207,7 +1195,7 @@ void Application::paintGL() {
         
         {
             PROFILE_RANGE(__FUNCTION__ "/pluginDisplay");
-            displayPlugin->display(finalTexture, finalSize);
+            displayPlugin->display(finalTexture, toGlm(size));
         }
 
         {
@@ -1280,6 +1268,7 @@ void Application::resizeGL() {
         // Possible change in aspect ratio
         loadViewFrustum(_myCamera, _viewFrustum);
         float fov = glm::radians(DEFAULT_FIELD_OF_VIEW_DEGREES);
+        // FIXME the aspect ratio for stereo displays is incorrect based on this.
         float aspectRatio = aspect(_renderResolution);
         _myCamera.setProjection(glm::perspective(fov, aspectRatio, DEFAULT_NEAR_CLIP, DEFAULT_FAR_CLIP));
     }
@@ -1439,7 +1428,15 @@ void Application::keyPressEvent(QKeyEvent* event) {
                 break;
             case Qt::Key_Enter:
             case Qt::Key_Return:
-                Menu::getInstance()->triggerOption(MenuOption::AddressBar);
+                if (isOption) {
+                    if (_window->isFullScreen()) {
+                        _pluginContainer->unsetFullscreen();
+                    } else {
+                        _pluginContainer->setFullscreen(nullptr);
+                    }
+                } else {
+                    Menu::getInstance()->triggerOption(MenuOption::AddressBar);
+                }
                 break;
 
             case Qt::Key_B:
@@ -2705,9 +2702,6 @@ void Application::update(float deltaTime) {
     updateLOD();
     updateMouseRay(); // check what's under the mouse and update the mouse voxel
 
-    // update the avatar with a fresh HMD pose
-    _myAvatar->updateFromHMDSensorMatrix(getHMDSensorPose());
-
     {
         PerformanceTimer perfTimer("devices");
         DeviceTracker::updateAll();
@@ -4638,10 +4632,6 @@ void Application::checkSkeleton() {
     }
 }
 
-bool Application::isForeground() { 
-    return _isForeground && !getWindow()->isMinimized(); 
-}
-
 void Application::activeChanged(Qt::ApplicationState state) {
     switch (state) {
         case Qt::ApplicationActive:
@@ -4747,6 +4737,10 @@ const DisplayPlugin * Application::getActiveDisplayPlugin() const {
     return ((Application*)this)->getActiveDisplayPlugin();
 }
 
+bool _activatingDisplayPlugin{ false };
+QVector<QPair<QString, QString>> _currentDisplayPluginActions;
+QVector<QPair<QString, QString>> _currentInputPluginActions;
+
 
 static void addDisplayPluginToMenu(DisplayPluginPointer displayPlugin, bool active = false) {
     auto menu = Menu::getInstance();
@@ -4768,9 +4762,6 @@ static void addDisplayPluginToMenu(DisplayPluginPointer displayPlugin, bool acti
     Q_ASSERT(menu->menuItemExists(MenuOption::OutputMenu, name));
 }
 
-static QVector<QPair<QString, QString>> _currentDisplayPluginActions;
-static bool _activatingDisplayPlugin{false};
-
 void Application::updateDisplayMode() {
     auto menu = Menu::getInstance();
     auto displayPlugins = PluginManager::getInstance()->getDisplayPlugins();
@@ -4837,7 +4828,7 @@ void Application::updateDisplayMode() {
         // Only show the hmd tools after the correct plugin has
         // been activated so that it's UI is setup correctly
         if (newPluginWantsHMDTools) {
-            showDisplayPluginsTools();
+            _pluginContainer->showDisplayPluginsTools();
         }
 
         if (oldDisplayPlugin) {
@@ -4855,9 +4846,6 @@ void Application::updateDisplayMode() {
     Q_ASSERT_X(_displayPlugin, "Application::updateDisplayMode", "could not find an activated display plugin");
 }
 
-static QVector<QPair<QString, QString>> _currentInputPluginActions;
-
-
 static void addInputPluginToMenu(InputPluginPointer inputPlugin, bool active = false) {
     auto menu = Menu::getInstance();
     QString name = inputPlugin->getName();
@@ -4931,42 +4919,6 @@ void Application::updateInputModes() {
     //}
 }
 
-void Application::addMenu(const QString& menuName) {
-    Menu::getInstance()->addMenu(menuName);
-}
-
-void Application::removeMenu(const QString& menuName) {
-    Menu::getInstance()->removeMenu(menuName);
-}
-
-void Application::addMenuItem(const QString& path, const QString& name, std::function<void(bool)> onClicked, bool checkable, bool checked, const QString& groupName) {
-    auto menu = Menu::getInstance();
-    MenuWrapper* parentItem = menu->getMenu(path);
-    QAction* action = menu->addActionToQMenuAndActionHash(parentItem, name);
-    connect(action, &QAction::triggered, [=] {
-        onClicked(action->isChecked());
-    });
-    action->setCheckable(checkable);
-    action->setChecked(checked);
-    if (_activatingDisplayPlugin) {
-        _currentDisplayPluginActions.push_back({ path, name });
-    } else {
-        _currentInputPluginActions.push_back({ path, name });
-    }
-}
-
-void Application::removeMenuItem(const QString& menuName, const QString& menuItem) {
-    Menu::getInstance()->removeMenuItem(menuName, menuItem);
-}
-
-bool Application::isOptionChecked(const QString& name) {
-    return Menu::getInstance()->isOptionChecked(name);
-}
-
-void Application::setIsOptionChecked(const QString& path, bool checked) {
-    Menu::getInstance()->setIsOptionChecked(path, checked);
-}
-
 mat4 Application::getEyeProjection(int eye) const {
     if (isHMDMode()) {
         return getActiveDisplayPlugin()->getProjection((Eye)eye, _viewFrustum.getProjection());
@@ -4986,7 +4938,7 @@ mat4 Application::getEyePose(int eye) const {
 mat4 Application::getEyeOffset(int eye) const {
     if (isHMDMode()) {
         mat4 identity;
-        return getActiveDisplayPlugin()->getModelview((Eye)eye, identity);
+        return getActiveDisplayPlugin()->getView((Eye)eye, identity);
     }
 
     return mat4();
@@ -4999,84 +4951,6 @@ mat4 Application::getHMDSensorPose() const {
     return mat4();
 }
 
-void Application::setFullscreen(const QScreen* target) {
-    if (!_window->isFullScreen()) {
-        _savedGeometry = _window->geometry();
-    }
-#ifdef Q_OS_MAC
-    _window->setGeometry(target->availableGeometry());
-#endif
-    _window->windowHandle()->setScreen((QScreen*)target);
-    _window->showFullScreen();
-    
-#ifndef Q_OS_MAC
-    // also hide the QMainWindow's menuBar
-    QMenuBar* menuBar = _window->menuBar();
-    if (menuBar) {
-        menuBar->setVisible(false);
-    }
-#endif
-}
-
-void Application::unsetFullscreen(const QScreen* avoid) {
-    _window->showNormal();
-    
-    QRect targetGeometry = _savedGeometry;
-    if (avoid != nullptr) {
-        QRect avoidGeometry = avoid->geometry();
-        if (avoidGeometry.contains(targetGeometry.topLeft())) {
-            QScreen* newTarget = primaryScreen();
-            if (newTarget == avoid) {
-                foreach(auto screen, screens()) {
-                    if (screen != avoid) {
-                        newTarget = screen;
-                        break;
-                    }
-                }
-            }
-            targetGeometry = newTarget->availableGeometry();
-        }
-    }
-#ifdef Q_OS_MAC
-    QTimer* timer = new QTimer();
-    timer->singleShot(2000, [=] {
-        _window->setGeometry(targetGeometry);
-        timer->deleteLater();
-    });
-#else
-    _window->setGeometry(targetGeometry);
-#endif
-
-#ifndef Q_OS_MAC
-    // also show the QMainWindow's menuBar
-    QMenuBar* menuBar = _window->menuBar();
-    if (menuBar) {
-        menuBar->setVisible(true);
-    }
-#endif
-}
-
-
-void Application::showDisplayPluginsTools() {
-    DependencyManager::get<DialogsManager>()->hmdTools(true);
-}
-
-QGLWidget* Application::getPrimarySurface() {
-    return _glWidget;
-}
-
-void Application::setActiveDisplayPlugin(const QString& pluginName) {
-    auto menu = Menu::getInstance();
-    foreach(DisplayPluginPointer displayPlugin, PluginManager::getInstance()->getDisplayPlugins()) {
-        QString name = displayPlugin->getName();
-        QAction* action = menu->getActionForOption(name);
-        if (pluginName == name) {
-            action->setChecked(true);
-        }
-    }
-    updateDisplayMode();
-}
-
 void Application::setPalmData(Hand* hand, UserInputMapper::PoseValue pose, float deltaTime, int index) {
     PalmData* palm;
     bool foundHand = false;

interface/src/Application.h

@@ -26,18 +26,18 @@
 #include <EntityEditPacketSender.h>
 #include <EntityTreeRenderer.h>
 #include <GeometryCache.h>
+#include <input-plugins/KeyboardMouseDevice.h>
 #include <NodeList.h>
 #include <OctreeQuery.h>
 #include <OffscreenUi.h>
 #include <PhysicalEntitySimulation.h>
 #include <PhysicsEngine.h>
+#include <plugins/Forward.h>
 #include <ScriptEngine.h>
 #include <ShapeManager.h>
 #include <StDev.h>
 #include <udt/PacketHeaders.h>
 #include <ViewFrustum.h>
-#include <plugins/PluginContainer.h>
-#include <plugins/PluginManager.h>
 #include <SimpleMovingAverage.h>
 
 #include "AudioClient.h"
@@ -50,7 +50,6 @@
 #include "Stars.h"
 #include "avatar/Avatar.h"
 #include "avatar/MyAvatar.h"
-#include <input-plugins/KeyboardMouseDevice.h>
 #include "scripting/ControllerScriptingInterface.h"
 #include "scripting/DialogsManagerScriptingInterface.h"
 #include "scripting/WebWindowClass.h"
@@ -132,7 +131,7 @@ class Application;
 
 typedef bool (Application::* AcceptURLMethod)(const QString &);
 
-class Application : public QApplication, public AbstractViewStateInterface, public AbstractScriptingServicesInterface, PluginContainer {
+class Application : public QApplication, public AbstractViewStateInterface, public AbstractScriptingServicesInterface {
     Q_OBJECT
 
     friend class OctreePacketProcessor;
@@ -280,23 +279,10 @@ public:
     virtual void endOverrideEnvironmentData() { _environment.endOverride(); }
     virtual qreal getDevicePixelRatio();
 
-    // Plugin container support
-    virtual void addMenu(const QString& menuName);
-    virtual void removeMenu(const QString& menuName);
-    virtual void addMenuItem(const QString& path, const QString& name, std::function<void(bool)> onClicked, bool checkable, bool checked, const QString& groupName);
-    virtual void removeMenuItem(const QString& menuName, const QString& menuItem);
-    virtual bool isOptionChecked(const QString& name);
-    virtual void setIsOptionChecked(const QString& path, bool checked);
-    virtual void setFullscreen(const QScreen* target) override;
-    virtual void unsetFullscreen(const QScreen* avoid) override;
-    virtual void showDisplayPluginsTools() override;
-    virtual QGLWidget* getPrimarySurface() override;
-    virtual bool isForeground() override;
-
     void setActiveDisplayPlugin(const QString& pluginName);
 
-    DisplayPlugin * getActiveDisplayPlugin();
-    const DisplayPlugin * getActiveDisplayPlugin() const;
+    DisplayPlugin* getActiveDisplayPlugin();
+    const DisplayPlugin* getActiveDisplayPlugin() const;
 
 public:
 
@@ -691,6 +677,8 @@ private:
     int _simsPerSecondReport = 0;
     quint64 _lastSimsPerSecondUpdate = 0;
     bool _isForeground = true; // starts out assumed to be in foreground
+
+    friend class PluginContainerProxy;
 };
 
 #endif // hifi_Application_h

interface/src/Menu.cpp

@@ -16,11 +16,13 @@
 #include <AddressManager.h>
 #include <AudioClient.h>
 #include <DependencyManager.h>
+#include <display-plugins/DisplayPlugin.h>
 #include <PathUtils.h>
 #include <SettingHandle.h>
 #include <UserActivityLogger.h>
 #include <VrMenu.h>
 
+
 #include "Application.h"
 #include "AccountManager.h"
 #include "audio/AudioScope.h"
@@ -220,7 +222,7 @@ Menu::Menu() {
     addActionToQMenuAndActionHash(toolsMenu, MenuOption::PackageModel, 0,
                                   qApp, SLOT(packageModel()));
 
-    MenuWrapper* displayMenu = addMenu("Display");
+    MenuWrapper* displayMenu = addMenu(DisplayPlugin::MENU_PATH);
     {
         MenuWrapper* displayModeMenu = addMenu(MenuOption::OutputMenu);
         QActionGroup* displayModeGroup = new QActionGroup(displayModeMenu);

interface/src/PluginContainerProxy.cpp

@@ -0,0 +1,161 @@
+#include "PluginContainerProxy.h"
+
+#include <QScreen>
+#include <QWindow>
+
+#include <plugins/Plugin.h>
+#include <plugins/PluginManager.h>
+#include <display-plugins/DisplayPlugin.h>
+
+#include "Application.h"
+#include "MainWindow.h"
+#include "GLCanvas.h"
+#include "ui/DialogsManager.h"
+
+PluginContainerProxy::PluginContainerProxy() {
+    Plugin::setContainer(this);
+}
+
+bool PluginContainerProxy::isForeground() {
+    return qApp->_isForeground && !qApp->getWindow()->isMinimized();
+}
+
+void PluginContainerProxy::addMenu(const QString& menuName) {
+    Menu::getInstance()->addMenu(menuName);
+}
+
+void PluginContainerProxy::removeMenu(const QString& menuName) {
+    Menu::getInstance()->removeMenu(menuName);
+}
+
+extern bool _activatingDisplayPlugin;
+extern QVector<QPair<QString, QString>> _currentDisplayPluginActions;
+extern QVector<QPair<QString, QString>> _currentInputPluginActions;
+std::map<QString, QActionGroup*> _exclusiveGroups;
+
+QAction* PluginContainerProxy::addMenuItem(const QString& path, const QString& name, std::function<void(bool)> onClicked, bool checkable, bool checked, const QString& groupName) {
+    auto menu = Menu::getInstance();
+    MenuWrapper* parentItem = menu->getMenu(path);
+    QAction* action = menu->addActionToQMenuAndActionHash(parentItem, name);
+    if (!groupName.isEmpty()) {
+        QActionGroup* group{ nullptr };
+        if (!_exclusiveGroups.count(groupName)) {
+            group = _exclusiveGroups[groupName] = new QActionGroup(menu);
+            group->setExclusive(true);
+        } else {
+            group = _exclusiveGroups[groupName];
+        }
+        group->addAction(action);
+    }
+    connect(action, &QAction::triggered, [=] {
+        onClicked(action->isChecked());
+    });
+    action->setCheckable(checkable);
+    action->setChecked(checked);
+    if (_activatingDisplayPlugin) {
+        _currentDisplayPluginActions.push_back({ path, name });
+    } else {
+        _currentInputPluginActions.push_back({ path, name });
+    }
+    return action;
+}
+
+void PluginContainerProxy::removeMenuItem(const QString& menuName, const QString& menuItem) {
+    Menu::getInstance()->removeMenuItem(menuName, menuItem);
+}
+
+bool PluginContainerProxy::isOptionChecked(const QString& name) {
+    return Menu::getInstance()->isOptionChecked(name);
+}
+
+void PluginContainerProxy::setIsOptionChecked(const QString& path, bool checked) {
+    Menu::getInstance()->setIsOptionChecked(path, checked);
+}
+
+// FIXME there is a bug in the fullscreen setting, where leaving
+// fullscreen does not restore the window frame, making it difficult
+// or impossible to move or size the window.
+// Additionally, setting fullscreen isn't hiding the menu on windows
+// make it useless for stereoscopic modes.
+void PluginContainerProxy::setFullscreen(const QScreen* target, bool hideMenu) {
+    auto _window = qApp->_window;
+    if (!_window->isFullScreen()) {
+        _savedGeometry = _window->geometry();
+    }
+    if (nullptr == target) {
+        // FIXME target the screen where the window currently is
+        target = qApp->primaryScreen();
+    }
+
+    _window->setGeometry(target->availableGeometry());
+    _window->windowHandle()->setScreen((QScreen*)target);
+    _window->showFullScreen();
+
+#ifndef Q_OS_MAC
+    // also hide the QMainWindow's menuBar
+    QMenuBar* menuBar = _window->menuBar();
+    if (menuBar && hideMenu) {
+        menuBar->setVisible(false);
+    }
+#endif
+}
+
+void PluginContainerProxy::unsetFullscreen(const QScreen* avoid) {
+    auto _window = qApp->_window;
+    _window->showNormal();
+
+    QRect targetGeometry = _savedGeometry;
+    if (avoid != nullptr) {
+        QRect avoidGeometry = avoid->geometry();
+        if (avoidGeometry.contains(targetGeometry.topLeft())) {
+            QScreen* newTarget = qApp->primaryScreen();
+            if (newTarget == avoid) {
+                foreach(auto screen, qApp->screens()) {
+                    if (screen != avoid) {
+                        newTarget = screen;
+                        break;
+                    }
+                }
+            }
+            targetGeometry = newTarget->availableGeometry();
+        }
+    }
+#ifdef Q_OS_MAC
+    QTimer* timer = new QTimer();
+    timer->singleShot(2000, [=] {
+        _window->setGeometry(targetGeometry);
+        timer->deleteLater();
+    });
+#else
+    _window->setGeometry(targetGeometry);
+#endif
+
+#ifndef Q_OS_MAC
+    // also show the QMainWindow's menuBar
+    QMenuBar* menuBar = _window->menuBar();
+    if (menuBar) {
+        menuBar->setVisible(true);
+    }
+#endif
+}
+
+
+void PluginContainerProxy::showDisplayPluginsTools() {
+    DependencyManager::get<DialogsManager>()->hmdTools(true);
+}
+
+QGLWidget* PluginContainerProxy::getPrimarySurface() {
+    return qApp->_glWidget;
+}
+
+void Application::setActiveDisplayPlugin(const QString& pluginName) {
+    auto menu = Menu::getInstance();
+    foreach(DisplayPluginPointer displayPlugin, PluginManager::getInstance()->getDisplayPlugins()) {
+        QString name = displayPlugin->getName();
+        QAction* action = menu->getActionForOption(name);
+        if (pluginName == name) {
+            action->setChecked(true);
+        }
+    }
+    updateDisplayMode();
+}

interface/src/PluginContainerProxy.h

@@ -0,0 +1,30 @@
+#pragma once
+#ifndef hifi_PluginContainerProxy_h
+#define hifi_PluginContainerProxy_h
+
+#include <QObject>
+#include <QRect>
+
+#include <plugins/Forward.h>
+#include <plugins/PluginContainer.h>
+
+class PluginContainerProxy : public QObject, PluginContainer {
+    Q_OBJECT
+    PluginContainerProxy();
+    virtual void addMenu(const QString& menuName) override;
+    virtual void removeMenu(const QString& menuName) override;
+    virtual QAction* addMenuItem(const QString& path, const QString& name, std::function<void(bool)> onClicked, bool checkable = false, bool checked = false, const QString& groupName = "") override;
+    virtual void removeMenuItem(const QString& menuName, const QString& menuItem) override;
+    virtual bool isOptionChecked(const QString& name) override;
+    virtual void setIsOptionChecked(const QString& path, bool checked);
+    virtual void setFullscreen(const QScreen* targetScreen, bool hideMenu = true) override;
+    virtual void unsetFullscreen(const QScreen* avoidScreen = nullptr) override;
+    virtual void showDisplayPluginsTools() override;
+    virtual QGLWidget* getPrimarySurface() override;
+    virtual bool isForeground() override;
+    QRect _savedGeometry{ 10, 120, 800, 600 };
+
+    friend class Application;
+};
+
+#endif

interface/src/Stars.cpp

@@ -191,7 +191,7 @@ void Stars::render(RenderArgs* renderArgs, float alpha) {
     auto geometryCache = DependencyManager::get<GeometryCache>();
     auto textureCache = DependencyManager::get<TextureCache>();
 
-    gpu::Batch batch;
+    gpu::Batch& batch = *renderArgs->_batch;
     batch.setViewTransform(Transform());
     batch.setProjectionTransform(renderArgs->_viewFrustum->getProjection());
     batch.setModelTransform(Transform().setRotation(glm::inverse(renderArgs->_viewFrustum->getOrientation()) *
@@ -219,6 +219,4 @@ void Stars::render(RenderArgs* renderArgs, float alpha) {
     batch.setInputBuffer(VERTICES_SLOT, posView);
     batch.setInputBuffer(COLOR_SLOT, colView);
     batch.draw(gpu::Primitive::POINTS, STARFIELD_NUM_STARS);
-
-    renderArgs->_context->render(batch);
 }

interface/src/Util.cpp

@@ -40,6 +40,7 @@ void renderWorldBox(gpu::Batch& batch) {
     static const glm::vec3 GREEN(0.0f, 1.0f, 0.0f);
     static const glm::vec3 BLUE(0.0f, 0.0f, 1.0f);
     static const glm::vec3 GREY(0.5f, 0.5f, 0.5f);
+    static const glm::vec4 GREY4(0.5f, 0.5f, 0.5f, 1.0f);
 
     static const glm::vec4 DASHED_RED(1.0f, 0.0f, 0.0f, 1.0f);
     static const glm::vec4 DASHED_GREEN(0.0f, 1.0f, 0.0f, 1.0f);
@@ -62,8 +63,37 @@ void renderWorldBox(gpu::Batch& batch) {
     geometryCache->renderDashedLine(batch, glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, 0.0f, -HALF_TREE_SCALE), DASHED_BLUE,
                                     DASH_LENGTH, GAP_LENGTH);
 
-    geometryCache->renderLine(batch, glm::vec3(0.0f, 0.0f, HALF_TREE_SCALE), glm::vec3(HALF_TREE_SCALE, 0.0f, HALF_TREE_SCALE), GREY);
-    geometryCache->renderLine(batch, glm::vec3(HALF_TREE_SCALE, 0.0f, HALF_TREE_SCALE), glm::vec3(HALF_TREE_SCALE, 0.0f, 0.0f), GREY);
+    // X center boundaries
+    geometryCache->renderLine(batch, glm::vec3(-HALF_TREE_SCALE, -HALF_TREE_SCALE, 0.0f),
+                              glm::vec3(HALF_TREE_SCALE, -HALF_TREE_SCALE, 0.0f), GREY);
+    geometryCache->renderLine(batch, glm::vec3(-HALF_TREE_SCALE, -HALF_TREE_SCALE, 0.0f),
+                              glm::vec3(-HALF_TREE_SCALE, HALF_TREE_SCALE, 0.0f), GREY);
+    geometryCache->renderLine(batch, glm::vec3(-HALF_TREE_SCALE, HALF_TREE_SCALE, 0.0f),
+                              glm::vec3(HALF_TREE_SCALE, HALF_TREE_SCALE, 0.0f), GREY);
+    geometryCache->renderLine(batch, glm::vec3(HALF_TREE_SCALE, -HALF_TREE_SCALE, 0.0f),
+                              glm::vec3(HALF_TREE_SCALE, HALF_TREE_SCALE, 0.0f), GREY);
+
+    // Z center boundaries
+    geometryCache->renderLine(batch, glm::vec3(0.0f, -HALF_TREE_SCALE, -HALF_TREE_SCALE),
+                              glm::vec3(0.0f, -HALF_TREE_SCALE, HALF_TREE_SCALE), GREY);
+    geometryCache->renderLine(batch, glm::vec3(0.0f, -HALF_TREE_SCALE, -HALF_TREE_SCALE),
+                              glm::vec3(0.0f, HALF_TREE_SCALE, -HALF_TREE_SCALE), GREY);
+    geometryCache->renderLine(batch, glm::vec3(0.0f, HALF_TREE_SCALE, -HALF_TREE_SCALE),
+                              glm::vec3(0.0f, HALF_TREE_SCALE, HALF_TREE_SCALE), GREY);
+    geometryCache->renderLine(batch, glm::vec3(0.0f, -HALF_TREE_SCALE, HALF_TREE_SCALE),
+                              glm::vec3(0.0f, HALF_TREE_SCALE, HALF_TREE_SCALE), GREY);
+
+    // Center boundaries
+    geometryCache->renderLine(batch, glm::vec3(-HALF_TREE_SCALE, 0.0f, -HALF_TREE_SCALE),
+                              glm::vec3(-HALF_TREE_SCALE, 0.0f, HALF_TREE_SCALE), GREY);
+    geometryCache->renderLine(batch, glm::vec3(-HALF_TREE_SCALE, 0.0f, -HALF_TREE_SCALE),
+                              glm::vec3(HALF_TREE_SCALE, 0.0f, -HALF_TREE_SCALE), GREY);
+    geometryCache->renderLine(batch, glm::vec3(HALF_TREE_SCALE, 0.0f, -HALF_TREE_SCALE),
+                              glm::vec3(HALF_TREE_SCALE, 0.0f, HALF_TREE_SCALE), GREY);
+    geometryCache->renderLine(batch, glm::vec3(-HALF_TREE_SCALE, 0.0f, HALF_TREE_SCALE),
+                              glm::vec3(HALF_TREE_SCALE, 0.0f, HALF_TREE_SCALE), GREY);
+
+    geometryCache->renderWireCube(batch, TREE_SCALE, GREY4);
 
     //  Draw meter markers along the 3 axis to help with measuring things
     const float MARKER_DISTANCE = 1.0f;

interface/src/avatar/Avatar.cpp

@@ -748,11 +748,12 @@ Transform Avatar::calculateDisplayNameTransform(const ViewFrustum& frustum, floa
             qDebug() << "ASSERT because isinf(scale)";
         }
         qDebug() << "textPosition =" << textPosition;
+        qDebug() << "projMat =" << projMat;
+        qDebug() << "viewMat =" << viewMat;
+        qDebug() << "viewProj =" << viewProj;
         qDebug() << "windowSizeY =" << windowSizeY;
-        qDebug() << "p1.y =" << p1.y;
-        qDebug() << "p1.w =" << p1.w;
-        qDebug() << "p0.y =" << p0.y;
-        qDebug() << "p0.w =" << p0.w;
+        qDebug() << "p1 =" << p1;
+        qDebug() << "p0 =" << p0;
         qDebug() << "qApp->getDevicePixelRatio() =" << qApp->getDevicePixelRatio();
         qDebug() << "fontSize =" << fontSize;
         qDebug() << "pixelHeight =" << pixelHeight;

interface/src/ui/ApplicationCompositor.cpp

@@ -211,7 +211,6 @@ void ApplicationCompositor::displayOverlayTexture(RenderArgs* renderArgs) {
     //Handle fading and deactivation/activation of UI
     gpu::Batch batch;
 
-    renderArgs->_context->syncCache();
     auto geometryCache = DependencyManager::get<GeometryCache>();
 
     geometryCache->useSimpleDrawPipeline(batch);
@@ -279,7 +278,6 @@ void ApplicationCompositor::displayOverlayTextureHmd(RenderArgs* renderArgs, int
     vec2 canvasSize = qApp->getCanvasSize();
     _textureAspectRatio = aspect(canvasSize);
 
-    renderArgs->_context->syncCache();
     auto geometryCache = DependencyManager::get<GeometryCache>();
 
     gpu::Batch batch;

interface/src/ui/ApplicationOverlay.cpp

@@ -92,7 +92,6 @@ void ApplicationOverlay::renderOverlay(RenderArgs* renderArgs) {
     renderOverlays(renderArgs); // renders Scripts Overlay and AudioScope
     renderStatsAndLogs(renderArgs);  // currently renders nothing
 
-    renderArgs->_context->syncCache();
     renderArgs->_context->render(batch);
 
     renderArgs->_batch = nullptr; // so future users of renderArgs don't try to use our batch

libraries/display-plugins/src/display-plugins/Basic2DWindowOpenGLDisplayPlugin.cpp

@@ -13,8 +13,7 @@
 
 const QString Basic2DWindowOpenGLDisplayPlugin::NAME("2D Display");
 
-const QString MENU_PATH = "Display";
-const QString FULLSCREEN = "Fullscreen";
+static const QString FULLSCREEN = "Fullscreen";
 
 const QString& Basic2DWindowOpenGLDisplayPlugin::getName() const {
     return NAME;
@@ -30,11 +29,11 @@ void Basic2DWindowOpenGLDisplayPlugin::activate() {
                 CONTAINER->unsetFullscreen();
             }
         }, true, false);
-    MainWindowOpenGLDisplayPlugin::activate();
+    WindowOpenGLDisplayPlugin::activate();
 }
 
 void Basic2DWindowOpenGLDisplayPlugin::deactivate() {
-    MainWindowOpenGLDisplayPlugin::deactivate();
+    WindowOpenGLDisplayPlugin::deactivate();
 }
 
 int Basic2DWindowOpenGLDisplayPlugin::getDesiredInterval(bool isThrottled) const {

libraries/display-plugins/src/display-plugins/Basic2DWindowOpenGLDisplayPlugin.h

@@ -7,10 +7,10 @@
 //
 #pragma once
 
-#include "MainWindowOpenGLDisplayPlugin.h"
+#include "WindowOpenGLDisplayPlugin.h"
 
 class QScreen;
-class Basic2DWindowOpenGLDisplayPlugin : public MainWindowOpenGLDisplayPlugin {
+class Basic2DWindowOpenGLDisplayPlugin : public WindowOpenGLDisplayPlugin {
     Q_OBJECT
 
 public:

libraries/display-plugins/src/display-plugins/DisplayPlugin.cpp

@@ -15,8 +15,10 @@
 #include "Basic2DWindowOpenGLDisplayPlugin.h"
 
 #include "openvr/OpenVrDisplayPlugin.h"
-#include "oculus/Oculus_0_5_DisplayPlugin.h"
-#include "oculus/Oculus_0_6_DisplayPlugin.h"
+#include "oculus/OculusDisplayPlugin.h"
+#include "oculus/OculusLegacyDisplayPlugin.h"
+
+const QString DisplayPlugin::MENU_PATH{ "Display" };
 
 // TODO migrate to a DLL model where plugins are discovered and loaded at runtime by the PluginManager class
 DisplayPluginList getDisplayPlugins() {
@@ -27,14 +29,20 @@ DisplayPluginList getDisplayPlugins() {
 #endif
 
         // Stereo modes
-        // FIXME fix stereo display plugins
-        //new SideBySideStereoDisplayPlugin(),
-        //new InterleavedStereoDisplayPlugin(),
+
+        // SBS left/right
+        new SideBySideStereoDisplayPlugin(),
+        // Interleaved left/right
+        new InterleavedStereoDisplayPlugin(),
 
         // HMDs
-        new Oculus_0_5_DisplayPlugin(),
-        new Oculus_0_6_DisplayPlugin(),
+
+        // Windows Oculus SDK
+        new OculusDisplayPlugin(),
+        // Mac/Linux Oculus SDK (0.5)
+        new OculusLegacyDisplayPlugin(),
 #ifdef Q_OS_WIN
+        // SteamVR SDK
         new OpenVrDisplayPlugin(),
 #endif
         nullptr

libraries/display-plugins/src/display-plugins/DisplayPlugin.h

@@ -97,12 +97,12 @@ public:
         return baseProjection;
     }
 
-    virtual glm::mat4 getModelview(Eye eye, const glm::mat4& baseModelview) const {
-        return glm::inverse(getEyePose(eye)) * baseModelview;
+    virtual glm::mat4 getView(Eye eye, const glm::mat4& baseView) const {
+        return glm::inverse(getEyePose(eye)) * baseView;
     }
 
     // HMD specific methods
-    // TODO move these into another class
+    // TODO move these into another class?
     virtual glm::mat4 getEyePose(Eye eye) const {
         static const glm::mat4 pose; return pose;
     }
@@ -115,12 +115,7 @@ public:
     virtual void resetSensors() {}
     virtual float devicePixelRatio() { return 1.0;  }
 
-    //// The window for the surface, used for event interception.  May be null.
-    //virtual QWindow* getWindow() const = 0;
-
-    //virtual void installEventFilter(QObject* filter) {}
-    //virtual void removeEventFilter(QObject* filter) {}
-
+    static const QString MENU_PATH;
 signals:
     void recommendedFramebufferSizeChanged(const QSize & size);
     void requestRender();

libraries/display-plugins/src/display-plugins/MainWindowOpenGLDisplayPlugin.cpp

@@ -1,9 +0,0 @@
-
-//
-//  Created by Bradley Austin Davis on 2015/05/29
-//  Copyright 2015 High Fidelity, Inc.
-//
-//  Distributed under the Apache License, Version 2.0.
-//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
-//
-#include "MainWindowOpenGLDisplayPlugin.h"

libraries/display-plugins/src/display-plugins/MainWindowOpenGLDisplayPlugin.h

@@ -1,13 +0,0 @@
-//
-//  Created by Bradley Austin Davis on 2015/05/29
-//  Copyright 2015 High Fidelity, Inc.
-//
-//  Distributed under the Apache License, Version 2.0.
-//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
-//
-#pragma once
-
-#include "WindowOpenGLDisplayPlugin.h"
-
-class MainWindowOpenGLDisplayPlugin : public WindowOpenGLDisplayPlugin {
-};

libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.cpp

@@ -105,7 +105,7 @@ bool OpenGLDisplayPlugin::eventFilter(QObject* receiver, QEvent* event) {
 void OpenGLDisplayPlugin::display(
     GLuint finalTexture, const glm::uvec2& sceneSize) {
     using namespace oglplus;
-    uvec2 size = getRecommendedRenderSize();
+    uvec2 size = getSurfaceSize();
     Context::Viewport(size.x, size.y);
     glBindTexture(GL_TEXTURE_2D, finalTexture);
     drawUnitQuad();

libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.h

@@ -33,6 +33,7 @@ public:
 protected:
     virtual void customizeContext();
     virtual void drawUnitQuad();
+    virtual glm::uvec2 getSurfaceSize() const = 0;
     virtual void makeCurrent() = 0;
     virtual void doneCurrent() = 0;
     virtual void swapBuffers() = 0;

libraries/display-plugins/src/display-plugins/WindowOpenGLDisplayPlugin.cpp

@@ -16,6 +16,10 @@ WindowOpenGLDisplayPlugin::WindowOpenGLDisplayPlugin() {
 }
 
 glm::uvec2 WindowOpenGLDisplayPlugin::getRecommendedRenderSize() const {
+    return getSurfaceSize();
+}
+
+glm::uvec2 WindowOpenGLDisplayPlugin::getSurfaceSize() const {
     uvec2 result;
     if (_window) {
         result = toGlm(_window->geometry().size() * _window->devicePixelRatio());
@@ -23,6 +27,7 @@ glm::uvec2 WindowOpenGLDisplayPlugin::getRecommendedRenderSize() const {
     return result;
 }
 
+
 glm::uvec2 WindowOpenGLDisplayPlugin::getRecommendedUiSize() const {
     uvec2 result;
     if (_window) {

libraries/display-plugins/src/display-plugins/WindowOpenGLDisplayPlugin.h

@@ -21,6 +21,7 @@ public:
     virtual void deactivate() override;
 
 protected:
+    virtual glm::uvec2 getSurfaceSize() const override final;
     virtual void makeCurrent() override;
     virtual void doneCurrent() override;
     virtual void swapBuffers() override;

libraries/display-plugins/src/display-plugins/oculus/OculusBaseDisplayPlugin.cpp

@@ -1,76 +0,0 @@
-//
-//  Created by Bradley Austin Davis on 2015/05/29
-//  Copyright 2015 High Fidelity, Inc.
-//
-//  Distributed under the Apache License, Version 2.0.
-//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
-//
-#include "OculusBaseDisplayPlugin.h"
-
-#include <ViewFrustum.h>
-
-#include "OculusHelpers.h"
-
-
-using namespace Oculus;
-
-void OculusBaseDisplayPlugin::activate() {
-    glm::uvec2 eyeSizes[2];
-    ovr_for_each_eye([&](ovrEyeType eye) {
-        _eyeFovs[eye] = _hmd->MaxEyeFov[eye];
-        ovrEyeRenderDesc& erd = _eyeRenderDescs[eye] = ovrHmd_GetRenderDesc(_hmd, eye, _eyeFovs[eye]);
-        ovrMatrix4f ovrPerspectiveProjection =
-            ovrMatrix4f_Projection(erd.Fov, DEFAULT_NEAR_CLIP, DEFAULT_FAR_CLIP, ovrProjection_RightHanded);
-        _eyeProjections[eye] = toGlm(ovrPerspectiveProjection);
-
-        ovrPerspectiveProjection =
-            ovrMatrix4f_Projection(erd.Fov, 0.001f, 10.0f, ovrProjection_RightHanded);
-        _compositeEyeProjections[eye] = toGlm(ovrPerspectiveProjection);
-
-        _eyeOffsets[eye] = erd.HmdToEyeViewOffset;
-        eyeSizes[eye] = toGlm(ovrHmd_GetFovTextureSize(_hmd, eye, erd.Fov, 1.0f));
-    });
-    _desiredFramebufferSize = uvec2(
-        eyeSizes[0].x + eyeSizes[1].x,
-        std::max(eyeSizes[0].y, eyeSizes[1].y));
-
-    _frameIndex = 0;
-
-    if (!OVR_SUCCESS(ovrHmd_ConfigureTracking(_hmd,
-        ovrTrackingCap_Orientation | ovrTrackingCap_Position | ovrTrackingCap_MagYawCorrection, 0))) {
-        qFatal("Could not attach to sensor device");
-    }
-
-    MainWindowOpenGLDisplayPlugin::activate();
-}
-
-uvec2 OculusBaseDisplayPlugin::getRecommendedRenderSize() const {
-    return _desiredFramebufferSize;
-}
-
-void OculusBaseDisplayPlugin::preRender() {
-    ovrHmd_GetEyePoses(_hmd, _frameIndex, _eyeOffsets, _eyePoses, nullptr);
-}
-
-glm::mat4 OculusBaseDisplayPlugin::getProjection(Eye eye, const glm::mat4& baseProjection) const {
-    return _eyeProjections[eye];
-}
-
-glm::mat4 OculusBaseDisplayPlugin::getModelview(Eye eye, const glm::mat4& baseModelview) const {
-    return baseModelview * toGlm(_eyePoses[eye]);
-}
-
-void OculusBaseDisplayPlugin::resetSensors() {
-    ovrHmd_RecenterPose(_hmd);
-}
-
-glm::mat4 OculusBaseDisplayPlugin::getEyePose(Eye eye) const {
-    return toGlm(_eyePoses[eye]);
-}
-
-// Should NOT be used for rendering as this will mess up timewarp.  Use the getModelview() method above for
-// any use of head poses for rendering, ensuring you use the correct eye
-glm::mat4 OculusBaseDisplayPlugin::getHeadPose() const {
-    ovrTrackingState state = ovrHmd_GetTrackingState(_hmd, 0.0f);
-    return toGlm(state.HeadPose.ThePose);
-}

libraries/display-plugins/src/display-plugins/oculus/OculusBaseDisplayPlugin.h

@@ -1,26 +0,0 @@
-//
-//  Created by Bradley Austin Davis on 2015/05/29
-//  Copyright 2015 High Fidelity, Inc.
-//
-//  Distributed under the Apache License, Version 2.0.
-//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
-//
-#pragma once
-
-#include "../MainWindowOpenGLDisplayPlugin.h"
-
-class OculusBaseDisplayPlugin : public MainWindowOpenGLDisplayPlugin {
-public:
-    // Stereo specific methods
-    virtual bool isHmd() const override { return true; }
-    virtual glm::mat4 getProjection(Eye eye, const glm::mat4& baseProjection) const override;
-    virtual glm::mat4 getModelview(Eye eye, const glm::mat4& baseModelview) const override;
-    virtual void activate() override;
-    virtual void preRender() override;
-    virtual glm::uvec2 getRecommendedRenderSize() const override;
-    virtual glm::uvec2 getRecommendedUiSize() const override { return uvec2(1920, 1080); }
-    virtual void resetSensors() override;
-    virtual glm::mat4 getEyePose(Eye eye) const override;
-    virtual glm::mat4 getHeadPose() const override;
-
-};

libraries/display-plugins/src/display-plugins/oculus/OculusDisplayPlugin.cpp

@@ -5,7 +5,7 @@
 //  Distributed under the Apache License, Version 2.0.
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
-#include "Oculus_0_6_DisplayPlugin.h"
+#include "OculusDisplayPlugin.h"
 
 #include <memory>
 
@@ -15,9 +15,7 @@
 #include <GlWindow.h>
 #include <QEvent>
 #include <QResizeEvent>
-
-#include <OVR_CAPI_GL.h>
-
+#include <QThread>
 
 #include <OglplusHelpers.h>
 #include <oglplus/opt/list_init.hpp>
@@ -27,18 +25,34 @@
 
 #include <PerfStat.h>
 #include <plugins/PluginContainer.h>
+#include <ViewFrustum.h>
 
 #include "OculusHelpers.h"
 
-using namespace Oculus;
-#if (OVR_MAJOR_VERSION == 6)
-SwapFboPtr          _sceneFbo;
-MirrorFboPtr        _mirrorFbo;
-ovrLayerEyeFov      _sceneLayer;
+#if (OVR_MAJOR_VERSION == 6) 
+#define ovr_Create ovrHmd_Create
+#define ovr_CreateSwapTextureSetGL ovrHmd_CreateSwapTextureSetGL
+#define ovr_CreateMirrorTextureGL ovrHmd_CreateMirrorTextureGL 
+#define ovr_Destroy ovrHmd_Destroy
+#define ovr_DestroySwapTextureSet ovrHmd_DestroySwapTextureSet
+#define ovr_DestroyMirrorTexture ovrHmd_DestroyMirrorTexture
+#define ovr_GetFloat ovrHmd_GetFloat
+#define ovr_GetFovTextureSize ovrHmd_GetFovTextureSize
+#define ovr_GetFrameTiming ovrHmd_GetFrameTiming
+#define ovr_GetTrackingState ovrHmd_GetTrackingState
+#define ovr_GetRenderDesc ovrHmd_GetRenderDesc
+#define ovr_RecenterPose ovrHmd_RecenterPose
+#define ovr_SubmitFrame ovrHmd_SubmitFrame
+#define ovr_ConfigureTracking ovrHmd_ConfigureTracking
+
+#define ovr_GetHmdDesc(X) *X
+#endif
+
+#if (OVR_MAJOR_VERSION >= 6)
 
 // A base class for FBO wrappers that need to use the Oculus C
-// API to manage textures via ovrHmd_CreateSwapTextureSetGL,
-// ovrHmd_CreateMirrorTextureGL, etc
+// API to manage textures via ovr_CreateSwapTextureSetGL,
+// ovr_CreateMirrorTextureGL, etc
 template <typename C>
 struct RiftFramebufferWrapper : public FramebufferWrapper<C, char> {
     ovrHmd hmd;
@@ -73,7 +87,7 @@ struct SwapFramebufferWrapper : public RiftFramebufferWrapper<ovrSwapTextureSet*
 
     ~SwapFramebufferWrapper() {
         if (color) {
-            ovrHmd_DestroySwapTextureSet(hmd, color);
+            ovr_DestroySwapTextureSet(hmd, color);
             color = nullptr;
         }
     }
@@ -86,11 +100,11 @@ struct SwapFramebufferWrapper : public RiftFramebufferWrapper<ovrSwapTextureSet*
 protected:
     virtual void initColor() override {
         if (color) {
-            ovrHmd_DestroySwapTextureSet(hmd, color);
+            ovr_DestroySwapTextureSet(hmd, color);
             color = nullptr;
         }
 
-        if (!OVR_SUCCESS(ovrHmd_CreateSwapTextureSetGL(hmd, GL_RGBA, size.x, size.y, &color))) {
+        if (!OVR_SUCCESS(ovr_CreateSwapTextureSetGL(hmd, GL_RGBA, size.x, size.y, &color))) {
             qFatal("Unable to create swap textures");
         }
 
@@ -127,7 +141,7 @@ struct MirrorFramebufferWrapper : public RiftFramebufferWrapper<ovrGLTexture*> {
 
     virtual ~MirrorFramebufferWrapper() {
         if (color) {
-            ovrHmd_DestroyMirrorTexture(hmd, (ovrTexture*)color);
+            ovr_DestroyMirrorTexture(hmd, (ovrTexture*)color);
             color = nullptr;
         }
     }
@@ -135,10 +149,10 @@ struct MirrorFramebufferWrapper : public RiftFramebufferWrapper<ovrGLTexture*> {
 private:
     void initColor() override {
         if (color) {
-            ovrHmd_DestroyMirrorTexture(hmd, (ovrTexture*)color);
+            ovr_DestroyMirrorTexture(hmd, (ovrTexture*)color);
             color = nullptr;
         }
-        ovrResult result = ovrHmd_CreateMirrorTextureGL(hmd, GL_RGBA, size.x, size.y, (ovrTexture**)&color);
+        ovrResult result = ovr_CreateMirrorTextureGL(hmd, GL_RGBA, size.x, size.y, (ovrTexture**)&color);
         Q_ASSERT(OVR_SUCCESS(result));
     }
 
@@ -149,17 +163,47 @@ private:
     }
 };
 
+
 #endif
 
+const QString OculusDisplayPlugin::NAME("Oculus Rift");
 
-const QString Oculus_0_6_DisplayPlugin::NAME("Oculus Rift");
+uvec2 OculusDisplayPlugin::getRecommendedRenderSize() const {
+    return _desiredFramebufferSize;
+}
 
-const QString & Oculus_0_6_DisplayPlugin::getName() const {
+void OculusDisplayPlugin::preRender() {
+#if (OVR_MAJOR_VERSION >= 6)
+    ovrFrameTiming ftiming = ovr_GetFrameTiming(_hmd, _frameIndex);
+    _trackingState = ovr_GetTrackingState(_hmd, ftiming.DisplayMidpointSeconds);
+    ovr_CalcEyePoses(_trackingState.HeadPose.ThePose, _eyeOffsets, _eyePoses);
+#endif
+}
+
+glm::mat4 OculusDisplayPlugin::getProjection(Eye eye, const glm::mat4& baseProjection) const {
+    return _eyeProjections[eye];
+}
+
+void OculusDisplayPlugin::resetSensors() {
+#if (OVR_MAJOR_VERSION >= 6)
+    ovr_RecenterPose(_hmd);
+#endif
+}
+
+glm::mat4 OculusDisplayPlugin::getEyePose(Eye eye) const {
+    return toGlm(_eyePoses[eye]);
+}
+
+glm::mat4 OculusDisplayPlugin::getHeadPose() const {
+    return toGlm(_trackingState.HeadPose.ThePose);
+}
+
+const QString & OculusDisplayPlugin::getName() const {
     return NAME;
 }
 
-bool Oculus_0_6_DisplayPlugin::isSupported() const {
-#if (OVR_MAJOR_VERSION == 6)
+bool OculusDisplayPlugin::isSupported() const {
+#if (OVR_MAJOR_VERSION >= 6)
     if (!OVR_SUCCESS(ovr_Initialize(nullptr))) {
         return false;
     }
@@ -174,27 +218,81 @@ bool Oculus_0_6_DisplayPlugin::isSupported() const {
 #endif
 }
 
+void OculusDisplayPlugin::init() {
+    if (!OVR_SUCCESS(ovr_Initialize(nullptr))) {
+        qFatal("Could not init OVR");
+    }
+}
 
-#if (OVR_MAJOR_VERSION == 6)
-ovrLayerEyeFov& getSceneLayer() {
+void OculusDisplayPlugin::deinit() {
+    ovr_Shutdown();
+}
+
+#if (OVR_MAJOR_VERSION >= 6)
+ovrLayerEyeFov& OculusDisplayPlugin::getSceneLayer() {
     return _sceneLayer;
 }
 #endif
 
 //static gpu::TexturePointer _texture;
 
-void Oculus_0_6_DisplayPlugin::activate() {
-#if (OVR_MAJOR_VERSION == 6)
+void OculusDisplayPlugin::activate() {
+#if (OVR_MAJOR_VERSION >= 6)
     if (!OVR_SUCCESS(ovr_Initialize(nullptr))) {
         Q_ASSERT(false);
         qFatal("Failed to Initialize SDK");
     }
-    if (!OVR_SUCCESS(ovrHmd_Create(0, &_hmd))) {
+
+//    CONTAINER->getPrimarySurface()->makeCurrent();
+#if (OVR_MAJOR_VERSION == 6)
+    if (!OVR_SUCCESS(ovr_Create(0, &_hmd))) {
+#elif (OVR_MAJOR_VERSION == 7)
+    if (!OVR_SUCCESS(ovr_Create(&_hmd, &_luid))) {
+#endif
         Q_ASSERT(false);
         qFatal("Failed to acquire HMD");
     }
 
-    OculusBaseDisplayPlugin::activate();
+    _hmdDesc = ovr_GetHmdDesc(_hmd);
+
+    _ipd = ovr_GetFloat(_hmd, OVR_KEY_IPD, _ipd);
+
+    glm::uvec2 eyeSizes[2];
+    ovr_for_each_eye([&](ovrEyeType eye) {
+        _eyeFovs[eye] = _hmdDesc.DefaultEyeFov[eye];
+        ovrEyeRenderDesc& erd = _eyeRenderDescs[eye] = ovr_GetRenderDesc(_hmd, eye, _eyeFovs[eye]);
+        ovrMatrix4f ovrPerspectiveProjection =
+            ovrMatrix4f_Projection(erd.Fov, DEFAULT_NEAR_CLIP, DEFAULT_FAR_CLIP, ovrProjection_RightHanded);
+        _eyeProjections[eye] = toGlm(ovrPerspectiveProjection);
+
+        ovrPerspectiveProjection =
+            ovrMatrix4f_Projection(erd.Fov, 0.001f, 10.0f, ovrProjection_RightHanded);
+        _compositeEyeProjections[eye] = toGlm(ovrPerspectiveProjection);
+
+        _eyeOffsets[eye] = erd.HmdToEyeViewOffset;
+        eyeSizes[eye] = toGlm(ovr_GetFovTextureSize(_hmd, eye, erd.Fov, 1.0f));
+    });
+    ovrFovPort combined = _eyeFovs[Left];
+    combined.LeftTan = std::max(_eyeFovs[Left].LeftTan, _eyeFovs[Right].LeftTan);
+    combined.RightTan = std::max(_eyeFovs[Left].RightTan, _eyeFovs[Right].RightTan);
+    ovrMatrix4f ovrPerspectiveProjection =
+        ovrMatrix4f_Projection(combined, DEFAULT_NEAR_CLIP, DEFAULT_FAR_CLIP, ovrProjection_RightHanded);
+    _eyeProjections[Mono] = toGlm(ovrPerspectiveProjection);
+
+
+
+    _desiredFramebufferSize = uvec2(
+        eyeSizes[0].x + eyeSizes[1].x,
+        std::max(eyeSizes[0].y, eyeSizes[1].y));
+
+    _frameIndex = 0;
+
+    if (!OVR_SUCCESS(ovr_ConfigureTracking(_hmd,
+        ovrTrackingCap_Orientation | ovrTrackingCap_Position | ovrTrackingCap_MagYawCorrection, 0))) {
+        qFatal("Could not attach to sensor device");
+    }
+
+    WindowOpenGLDisplayPlugin::activate();
 
     // Parent class relies on our _hmd intialization, so it must come after that.
     ovrLayerEyeFov& sceneLayer = getSceneLayer();
@@ -203,7 +301,7 @@ void Oculus_0_6_DisplayPlugin::activate() {
     sceneLayer.Header.Flags = ovrLayerFlag_TextureOriginAtBottomLeft;
     ovr_for_each_eye([&](ovrEyeType eye) {
         ovrFovPort & fov = sceneLayer.Fov[eye] = _eyeRenderDescs[eye].Fov;
-        ovrSizei & size = sceneLayer.Viewport[eye].Size = ovrHmd_GetFovTextureSize(_hmd, eye, fov, 1.0f);
+        ovrSizei & size = sceneLayer.Viewport[eye].Size = ovr_GetFovTextureSize(_hmd, eye, fov, 1.0f);
         sceneLayer.Viewport[eye].Pos = { eye == ovrEye_Left ? 0 : size.w, 0 };
     });
     // We're rendering both eyes to the same texture, so only one of the 
@@ -214,17 +312,16 @@ void Oculus_0_6_DisplayPlugin::activate() {
 
     PerformanceTimer::setActive(true);
 
-    if (!OVR_SUCCESS(ovrHmd_ConfigureTracking(_hmd,
+    if (!OVR_SUCCESS(ovr_ConfigureTracking(_hmd,
         ovrTrackingCap_Orientation | ovrTrackingCap_Position | ovrTrackingCap_MagYawCorrection, 0))) {
         qFatal("Could not attach to sensor device");
     }
 #endif
 }
 
-void Oculus_0_6_DisplayPlugin::customizeContext() {
-#if (OVR_MAJOR_VERSION == 6)
-    OculusBaseDisplayPlugin::customizeContext();
-    
+void OculusDisplayPlugin::customizeContext() {
+    WindowOpenGLDisplayPlugin::customizeContext();
+#if (OVR_MAJOR_VERSION >= 6)
     //_texture = DependencyManager::get<TextureCache>()->
     //    getImageTexture(PathUtils::resourcesPath() + "/images/cube_texture.png");
     uvec2 mirrorSize = toGlm(_window->geometry().size());
@@ -236,24 +333,29 @@ void Oculus_0_6_DisplayPlugin::customizeContext() {
 #endif
 }
 
-void Oculus_0_6_DisplayPlugin::deactivate() {
-#if (OVR_MAJOR_VERSION == 6)
+void OculusDisplayPlugin::deactivate() {
+#if (OVR_MAJOR_VERSION >= 6)
     makeCurrent();
     _sceneFbo.reset();
     _mirrorFbo.reset();
     doneCurrent();
     PerformanceTimer::setActive(false);
 
-    OculusBaseDisplayPlugin::deactivate();
+    WindowOpenGLDisplayPlugin::deactivate();
 
-    ovrHmd_Destroy(_hmd);
+    ovr_Destroy(_hmd);
     _hmd = nullptr;
     ovr_Shutdown();
 #endif
 }
 
-void Oculus_0_6_DisplayPlugin::display(GLuint finalTexture, const glm::uvec2& sceneSize) {
-#if (OVR_MAJOR_VERSION == 6)
+void OculusDisplayPlugin::display(GLuint finalTexture, const glm::uvec2& sceneSize) {
+    static bool inDisplay = false;
+    if (inDisplay) {
+        return;
+    }
+    inDisplay = true;
+#if (OVR_MAJOR_VERSION >= 6)
     using namespace oglplus;
     // Need to make sure only the display plugin is responsible for 
     // controlling vsync
@@ -263,6 +365,7 @@ void Oculus_0_6_DisplayPlugin::display(GLuint finalTexture, const glm::uvec2& sc
         auto size = _sceneFbo->size;
         Context::Viewport(size.x, size.y);
         glBindTexture(GL_TEXTURE_2D, finalTexture);
+        GLenum err = glGetError();
         drawUnitQuad();
     });
 
@@ -280,17 +383,25 @@ void Oculus_0_6_DisplayPlugin::display(GLuint finalTexture, const glm::uvec2& sc
        the UI visible in the output window (unlikely).  This should be done before 
        _sceneFbo->Increment or we're be using the wrong texture
     */
-    //_sceneFbo->Bound(GL_READ_FRAMEBUFFER, [&] {
-    //    glBlitFramebuffer(
-    //        0, 0, _sceneFbo->size.x, _sceneFbo->size.y,
-    //        0, 0, windowSize.x, _mirrorFbo.y,
-    //        GL_COLOR_BUFFER_BIT, GL_NEAREST);
-    //});
+    _sceneFbo->Bound(Framebuffer::Target::Read, [&] {
+        glBlitFramebuffer(
+            0, 0, _sceneFbo->size.x, _sceneFbo->size.y,
+            0, 0, windowSize.x, windowSize.y,
+            GL_COLOR_BUFFER_BIT, GL_NEAREST);
+    });
 
     {
         PerformanceTimer("OculusSubmit");
+        ovrViewScaleDesc viewScaleDesc;
+        viewScaleDesc.HmdSpaceToWorldScaleInMeters = 1.0f;
+        viewScaleDesc.HmdToEyeViewOffset[0] = _eyeOffsets[0];
+        viewScaleDesc.HmdToEyeViewOffset[1] = _eyeOffsets[1];
+
         ovrLayerHeader* layers = &sceneLayer.Header;
-        ovrResult result = ovrHmd_SubmitFrame(_hmd, _frameIndex, nullptr, &layers, 1);
+        ovrResult result = ovr_SubmitFrame(_hmd, 0, &viewScaleDesc, &layers, 1);
+        if (!OVR_SUCCESS(result)) {
+            qDebug() << result;
+        }
     }
     _sceneFbo->Increment();
 
@@ -299,21 +410,22 @@ void Oculus_0_6_DisplayPlugin::display(GLuint finalTexture, const glm::uvec2& sc
         will contain the post-distorted and fully composited scene regardless of how many layers 
         we send.
     */
-    auto mirrorSize = _mirrorFbo->size;
-    _mirrorFbo->Bound(Framebuffer::Target::Read, [&] {
-        Context::BlitFramebuffer(
-            0, mirrorSize.y, mirrorSize.x, 0,
-            0, 0, windowSize.x, windowSize.y,
-            BufferSelectBit::ColorBuffer, BlitFilter::Nearest);
-    });
+    //auto mirrorSize = _mirrorFbo->size;
+    //_mirrorFbo->Bound(Framebuffer::Target::Read, [&] {
+    //    Context::BlitFramebuffer(
+    //        0, mirrorSize.y, mirrorSize.x, 0,
+    //        0, 0, windowSize.x, windowSize.y,
+    //        BufferSelectBit::ColorBuffer, BlitFilter::Nearest);
+    //});
 
     ++_frameIndex;
 #endif
+    inDisplay = false;
 }
 
 // Pass input events on to the application
-bool Oculus_0_6_DisplayPlugin::eventFilter(QObject* receiver, QEvent* event) {
-#if (OVR_MAJOR_VERSION == 6)
+bool OculusDisplayPlugin::eventFilter(QObject* receiver, QEvent* event) {
+#if (OVR_MAJOR_VERSION >= 6)
     if (event->type() == QEvent::Resize) {
         QResizeEvent* resizeEvent = static_cast<QResizeEvent*>(event);
         qDebug() << resizeEvent->size().width() << " x " << resizeEvent->size().height();
@@ -323,7 +435,7 @@ bool Oculus_0_6_DisplayPlugin::eventFilter(QObject* receiver, QEvent* event) {
         doneCurrent();
     }
 #endif
-    return OculusBaseDisplayPlugin::eventFilter(receiver, event);
+    return WindowOpenGLDisplayPlugin::eventFilter(receiver, event);
 }
 
 /*
@@ -331,8 +443,8 @@ bool Oculus_0_6_DisplayPlugin::eventFilter(QObject* receiver, QEvent* event) {
     However, it should only be done if we can reliably disable v-sync on the mirror surface, 
     otherwise the swapbuffer delay will interefere with the framerate of the headset
 */
-void Oculus_0_6_DisplayPlugin::finishFrame() {
-    swapBuffers();
+void OculusDisplayPlugin::finishFrame() {
+    //swapBuffers();
     doneCurrent();
 };
 

libraries/display-plugins/src/display-plugins/oculus/OculusDisplayPlugin.h

@@ -0,0 +1,78 @@
+//
+//  Created by Bradley Austin Davis on 2015/05/29
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+#pragma once
+
+#include "../WindowOpenGLDisplayPlugin.h"
+
+#include <QTimer>
+
+#include <OVR_CAPI.h>
+
+class OffscreenGlCanvas;
+struct SwapFramebufferWrapper;
+struct MirrorFramebufferWrapper;
+
+using SwapFboPtr = QSharedPointer<SwapFramebufferWrapper>;
+using MirrorFboPtr = QSharedPointer<MirrorFramebufferWrapper>;
+
+class OculusDisplayPlugin : public WindowOpenGLDisplayPlugin {
+public:
+    virtual bool isSupported() const override;
+    virtual const QString & getName() const override;
+
+    virtual void init() override;
+    virtual void deinit() override;
+
+    virtual void activate() override;
+    virtual void deactivate() override;
+
+    virtual bool eventFilter(QObject* receiver, QEvent* event) override;
+
+    // Stereo specific methods
+    virtual bool isHmd() const override { return true; }
+    virtual glm::mat4 getProjection(Eye eye, const glm::mat4& baseProjection) const override;
+    virtual glm::uvec2 getRecommendedRenderSize() const override;
+    virtual glm::uvec2 getRecommendedUiSize() const override { return uvec2(1920, 1080); }
+    virtual void resetSensors() override;
+    virtual glm::mat4 getEyePose(Eye eye) const override;
+    virtual glm::mat4 getHeadPose() const override;
+
+protected:
+    virtual void preRender() override;
+    virtual void display(GLuint finalTexture, const glm::uvec2& sceneSize) override;
+    virtual void customizeContext() override;
+    // Do not perform swap in finish
+    virtual void finishFrame() override;
+
+private:
+    static const QString NAME;
+
+    ovrHmd _hmd;
+    float _ipd{ OVR_DEFAULT_IPD };
+    unsigned int _frameIndex;
+    ovrEyeRenderDesc _eyeRenderDescs[2];
+    ovrPosef _eyePoses[2];
+    ovrVector3f _eyeOffsets[2];
+    ovrFovPort _eyeFovs[2];
+    mat4 _eyeProjections[3];
+    mat4 _compositeEyeProjections[2];
+    uvec2 _desiredFramebufferSize;
+    ovrTrackingState _trackingState;
+
+#if (OVR_MAJOR_VERSION >= 6)
+    ovrLayerEyeFov&  getSceneLayer();
+    ovrHmdDesc       _hmdDesc;
+    SwapFboPtr       _sceneFbo;
+    MirrorFboPtr     _mirrorFbo;
+    ovrLayerEyeFov   _sceneLayer;
+#endif
+#if (OVR_MAJOR_VERSION == 7)
+    ovrGraphicsLuid  _luid;
+#endif
+};
+

libraries/display-plugins/src/display-plugins/oculus/OculusHelpers.h

@@ -7,7 +7,7 @@
 //
 #pragma once
 
-#include <OVR_CAPI.h>
+#include <OVR_CAPI_GL.h>
 #include <GLMHelpers.h>
 #include <glm/gtc/type_ptr.hpp>
 #include <glm/gtc/matrix_transform.hpp>
@@ -79,14 +79,3 @@ inline ovrQuatf ovrFromGlm(const glm::quat & q) {
     return{ q.x, q.y, q.z, q.w };
 }
 
-namespace Oculus {
-    extern ovrHmd _hmd;
-    extern unsigned int _frameIndex;
-    extern ovrEyeRenderDesc _eyeRenderDescs[2];
-    extern ovrPosef _eyePoses[2];
-    extern ovrVector3f _eyeOffsets[2];
-    extern ovrFovPort _eyeFovs[2];
-    extern mat4 _eyeProjections[2];
-    extern mat4 _compositeEyeProjections[2];
-    extern uvec2 _desiredFramebufferSize;
-}

libraries/display-plugins/src/display-plugins/oculus/OculusLegacyDisplayPlugin.cpp

@@ -5,7 +5,7 @@
 //  Distributed under the Apache License, Version 2.0.
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
-#include "Oculus_0_5_DisplayPlugin.h"
+#include "OculusLegacyDisplayPlugin.h"
 
 #include <memory>
 
@@ -19,34 +19,66 @@
 #include <QGuiApplication>
 #include <QScreen>
 
-
-#include <OVR_CAPI_GL.h>
-
 #include <PerfStat.h>
 #include <OglplusHelpers.h>
+#include <ViewFrustum.h>
 
 #include "plugins/PluginContainer.h"
 #include "OculusHelpers.h"
 
-using namespace Oculus;
-ovrTexture _eyeTextures[2];
-int _hmdScreen{ -1 };
-bool _hswDismissed{ false };
-
-DisplayPlugin* makeOculusDisplayPlugin() {
-    return new Oculus_0_5_DisplayPlugin();
-}
-
 using namespace oglplus;
 
-const QString Oculus_0_5_DisplayPlugin::NAME("Oculus Rift (0.5)");
+const QString OculusLegacyDisplayPlugin::NAME("Oculus Rift (0.5)");
 
-const QString & Oculus_0_5_DisplayPlugin::getName() const {
+const QString & OculusLegacyDisplayPlugin::getName() const {
     return NAME;
 }
 
+OculusLegacyDisplayPlugin::OculusLegacyDisplayPlugin() : _ipd(OVR_DEFAULT_IPD) {
+}
 
-bool Oculus_0_5_DisplayPlugin::isSupported() const {
+uvec2 OculusLegacyDisplayPlugin::getRecommendedRenderSize() const {
+    return _desiredFramebufferSize;
+}
+
+void OculusLegacyDisplayPlugin::preRender() {
+#if (OVR_MAJOR_VERSION == 5)
+    ovrHmd_GetEyePoses(_hmd, _frameIndex, _eyeOffsets, _eyePoses, &_trackingState);
+    ovrHmd_BeginFrame(_hmd, _frameIndex);
+#endif
+    WindowOpenGLDisplayPlugin::preRender();
+}
+
+glm::mat4 OculusLegacyDisplayPlugin::getProjection(Eye eye, const glm::mat4& baseProjection) const {
+    return _eyeProjections[eye];
+}
+
+void OculusLegacyDisplayPlugin::resetSensors() {
+#if (OVR_MAJOR_VERSION == 5)
+    ovrHmd_RecenterPose(_hmd);
+#endif
+}
+
+glm::mat4 OculusLegacyDisplayPlugin::getEyePose(Eye eye) const {
+#if (OVR_MAJOR_VERSION == 5)
+    return toGlm(_eyePoses[eye]);
+#else
+    return WindowOpenGLDisplayPlugin::getEyePose(eye);
+#endif
+}
+
+// Should NOT be used for rendering as this will mess up timewarp.  Use the getModelview() method above for
+// any use of head poses for rendering, ensuring you use the correct eye
+glm::mat4 OculusLegacyDisplayPlugin::getHeadPose() const {
+#if (OVR_MAJOR_VERSION == 5)
+    return toGlm(_trackingState.HeadPose.ThePose);
+#else
+    return WindowOpenGLDisplayPlugin::getHeadPose();
+#endif
+}
+
+
+bool OculusLegacyDisplayPlugin::isSupported() const {
 #if (OVR_MAJOR_VERSION == 5)
     if (!ovr_Initialize(nullptr)) {
         return false;
@@ -77,7 +109,7 @@ bool Oculus_0_5_DisplayPlugin::isSupported() const {
 #endif
 }
 
-void Oculus_0_5_DisplayPlugin::activate() {
+void OculusLegacyDisplayPlugin::activate() {
 #if (OVR_MAJOR_VERSION == 5)
     if (!OVR_SUCCESS(ovr_Initialize(nullptr))) {
         Q_ASSERT(false);
@@ -89,7 +121,41 @@ void Oculus_0_5_DisplayPlugin::activate() {
         qFatal("Failed to acquire HMD");
     }
     
-    OculusBaseDisplayPlugin::activate();
+    glm::uvec2 eyeSizes[2];
+    ovr_for_each_eye([&](ovrEyeType eye) {
+        _eyeFovs[eye] = _hmd->MaxEyeFov[eye];
+        ovrEyeRenderDesc erd = _eyeRenderDescs[eye] = ovrHmd_GetRenderDesc(_hmd, eye, _eyeFovs[eye]);
+        ovrMatrix4f ovrPerspectiveProjection =
+            ovrMatrix4f_Projection(erd.Fov, DEFAULT_NEAR_CLIP, DEFAULT_FAR_CLIP, ovrProjection_RightHanded);
+        _eyeProjections[eye] = toGlm(ovrPerspectiveProjection);
+
+        ovrPerspectiveProjection =
+            ovrMatrix4f_Projection(erd.Fov, 0.001f, 10.0f, ovrProjection_RightHanded);
+        _compositeEyeProjections[eye] = toGlm(ovrPerspectiveProjection);
+
+        _eyeOffsets[eye] = erd.HmdToEyeViewOffset;
+        eyeSizes[eye] = toGlm(ovrHmd_GetFovTextureSize(_hmd, eye, erd.Fov, 1.0f));
+    });
+    ovrFovPort combined = _eyeFovs[Left];
+    combined.LeftTan = std::max(_eyeFovs[Left].LeftTan, _eyeFovs[Right].LeftTan);
+    combined.RightTan = std::max(_eyeFovs[Left].RightTan, _eyeFovs[Right].RightTan);
+    ovrMatrix4f ovrPerspectiveProjection =
+        ovrMatrix4f_Projection(combined, DEFAULT_NEAR_CLIP, DEFAULT_FAR_CLIP, ovrProjection_RightHanded);
+    _eyeProjections[Mono] = toGlm(ovrPerspectiveProjection);
+
+    _desiredFramebufferSize = uvec2(
+        eyeSizes[0].x + eyeSizes[1].x,
+        std::max(eyeSizes[0].y, eyeSizes[1].y));
+
+    _frameIndex = 0;
+
+    if (!OVR_SUCCESS(ovrHmd_ConfigureTracking(_hmd,
+        ovrTrackingCap_Orientation | ovrTrackingCap_Position | ovrTrackingCap_MagYawCorrection, 0))) {
+        qFatal("Could not attach to sensor device");
+    }
+
+    WindowOpenGLDisplayPlugin::activate();
+
     int screen = getHmdScreen();
     if (screen != -1) {
         CONTAINER->setFullscreen(qApp->screens()[screen]);
@@ -118,17 +184,16 @@ void Oculus_0_5_DisplayPlugin::activate() {
         }
     });
 
-    ovrEyeRenderDesc _eyeRenderDescs[ovrEye_Count];
     ovrBool result = ovrHmd_ConfigureRendering(_hmd, &config.Config, distortionCaps, _eyeFovs, _eyeRenderDescs);
     Q_ASSERT(result);
 #endif
 }
 
-void Oculus_0_5_DisplayPlugin::deactivate() {
+void OculusLegacyDisplayPlugin::deactivate() {
 #if (OVR_MAJOR_VERSION == 5)
     _window->removeEventFilter(this);
 
-    OculusBaseDisplayPlugin::deactivate();
+    WindowOpenGLDisplayPlugin::deactivate();
     
     QScreen* riftScreen = nullptr;
     if (_hmdScreen >= 0) {
@@ -142,18 +207,11 @@ void Oculus_0_5_DisplayPlugin::deactivate() {
 #endif
 }
 
-void Oculus_0_5_DisplayPlugin::preRender() {
-#if (OVR_MAJOR_VERSION == 5)
-    OculusBaseDisplayPlugin::preRender();
-    ovrHmd_BeginFrame(_hmd, _frameIndex);
-#endif
-}
-
-void Oculus_0_5_DisplayPlugin::preDisplay() {
+void OculusLegacyDisplayPlugin::preDisplay() {
     _window->makeCurrent();
 }
 
-void Oculus_0_5_DisplayPlugin::display(GLuint finalTexture, const glm::uvec2& sceneSize) {
+void OculusLegacyDisplayPlugin::display(GLuint finalTexture, const glm::uvec2& sceneSize) {
     ++_frameIndex;
 #if (OVR_MAJOR_VERSION == 5)
     ovr_for_each_eye([&](ovrEyeType eye) {
@@ -164,7 +222,7 @@ void Oculus_0_5_DisplayPlugin::display(GLuint finalTexture, const glm::uvec2& sc
 }
 
 // Pass input events on to the application
-bool Oculus_0_5_DisplayPlugin::eventFilter(QObject* receiver, QEvent* event) {
+bool OculusLegacyDisplayPlugin::eventFilter(QObject* receiver, QEvent* event) {
 #if (OVR_MAJOR_VERSION == 5)
     if (!_hswDismissed && (event->type() == QEvent::KeyPress)) {
         static ovrHSWDisplayState hswState;
@@ -176,17 +234,19 @@ bool Oculus_0_5_DisplayPlugin::eventFilter(QObject* receiver, QEvent* event) {
         }
     }	
 #endif
-    return OculusBaseDisplayPlugin::eventFilter(receiver, event);
+    return WindowOpenGLDisplayPlugin::eventFilter(receiver, event);
 }
 
 // FIXME mirroring tot he main window is diffucult on OSX because it requires that we
 // trigger a swap, which causes the client to wait for the v-sync of the main screen running
 // at 60 Hz.  This would introduce judder.  Perhaps we can push mirroring to a separate
 // thread
-void Oculus_0_5_DisplayPlugin::finishFrame() {
+// FIXME If we move to the 'batch rendering on a different thread' we can possibly do this.  
+// however, we need to make sure it doesn't block the event handling.
+void OculusLegacyDisplayPlugin::finishFrame() {
     _window->doneCurrent();
 };
 
-int Oculus_0_5_DisplayPlugin::getHmdScreen() const {
+int OculusLegacyDisplayPlugin::getHmdScreen() const {
     return _hmdScreen;
 }

libraries/display-plugins/src/display-plugins/oculus/OculusLegacyDisplayPlugin.h

@@ -0,0 +1,63 @@
+//
+//  Created by Bradley Austin Davis on 2015/05/29
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+#pragma once
+
+#include "../WindowOpenGLDisplayPlugin.h"
+
+#include <QTimer>
+
+#include <OVR_CAPI.h>
+
+class OculusLegacyDisplayPlugin : public WindowOpenGLDisplayPlugin {
+public:
+    OculusLegacyDisplayPlugin();
+    virtual bool isSupported() const override;
+    virtual const QString & getName() const override;
+
+    virtual void activate() override;
+    virtual void deactivate() override;
+
+    virtual bool eventFilter(QObject* receiver, QEvent* event) override;
+    virtual int getHmdScreen() const override;
+
+    // Stereo specific methods
+    virtual bool isHmd() const override { return true; }
+    virtual glm::mat4 getProjection(Eye eye, const glm::mat4& baseProjection) const override;
+    virtual glm::uvec2 getRecommendedRenderSize() const override;
+    virtual glm::uvec2 getRecommendedUiSize() const override { return uvec2(1920, 1080); }
+    virtual void resetSensors() override;
+    virtual glm::mat4 getEyePose(Eye eye) const override;
+    virtual glm::mat4 getHeadPose() const override;
+
+protected:
+    virtual void preRender() override;
+    virtual void preDisplay() override;
+    virtual void display(GLuint finalTexture, const glm::uvec2& sceneSize) override;
+    // Do not perform swap in finish
+    virtual void finishFrame() override;
+
+private:
+    static const QString NAME;
+
+    float _ipd{ OVR_DEFAULT_IPD };
+    ovrHmd _hmd;
+    unsigned int _frameIndex;
+    ovrTrackingState _trackingState;
+    ovrEyeRenderDesc _eyeRenderDescs[2];
+    ovrPosef _eyePoses[2];
+    ovrVector3f _eyeOffsets[2];
+    ovrFovPort _eyeFovs[2];
+    mat4 _eyeProjections[3];
+    mat4 _compositeEyeProjections[2];
+    uvec2 _desiredFramebufferSize;
+    ovrTexture _eyeTextures[2];
+    mutable int _hmdScreen{ -1 };
+    bool _hswDismissed{ false };
+};
+
+

libraries/display-plugins/src/display-plugins/oculus/Oculus_0_5_DisplayPlugin.h

@@ -1,37 +0,0 @@
-//
-//  Created by Bradley Austin Davis on 2015/05/29
-//  Copyright 2015 High Fidelity, Inc.
-//
-//  Distributed under the Apache License, Version 2.0.
-//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
-//
-#pragma once
-
-#include "OculusBaseDisplayPlugin.h"
-
-#include <QTimer>
-
-class Oculus_0_5_DisplayPlugin : public OculusBaseDisplayPlugin {
-public:
-    virtual bool isSupported() const override;
-    virtual const QString & getName() const override;
-
-    virtual void activate() override;
-    virtual void deactivate() override;
-
-    virtual bool eventFilter(QObject* receiver, QEvent* event) override;
-
-    virtual int getHmdScreen() const override;
-
-protected:
-    virtual void preRender() override;
-    virtual void preDisplay() override;
-    virtual void display(GLuint finalTexture, const glm::uvec2& sceneSize) override;
-    // Do not perform swap in finish
-    virtual void finishFrame() override;
-
-private:
-    static const QString NAME;
-};
-
-

libraries/display-plugins/src/display-plugins/oculus/Oculus_0_6_DisplayPlugin.h

@@ -1,41 +0,0 @@
-//
-//  Created by Bradley Austin Davis on 2015/05/29
-//  Copyright 2015 High Fidelity, Inc.
-//
-//  Distributed under the Apache License, Version 2.0.
-//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
-//
-#pragma once
-
-#include "OculusBaseDisplayPlugin.h"
-
-#include <QTimer>
-
-class OffscreenGlCanvas;
-struct SwapFramebufferWrapper;
-struct MirrorFramebufferWrapper;
-
-using SwapFboPtr = QSharedPointer<SwapFramebufferWrapper>;
-using MirrorFboPtr = QSharedPointer<MirrorFramebufferWrapper>;
-
-class Oculus_0_6_DisplayPlugin : public OculusBaseDisplayPlugin {
-public:
-    virtual bool isSupported() const override;
-    virtual const QString & getName() const override;
-
-    virtual void activate() override;
-    virtual void deactivate() override;
-
-
-    virtual bool eventFilter(QObject* receiver, QEvent* event) override;
-
-protected:
-    virtual void display(GLuint finalTexture, const glm::uvec2& sceneSize) override;
-    virtual void customizeContext() override;
-    // Do not perform swap in finish
-    virtual void finishFrame() override;
-
-private:
-    static const QString NAME;
-};
-

libraries/display-plugins/src/display-plugins/openvr/OpenVrDisplayPlugin.cpp

@@ -128,7 +128,7 @@ void OpenVrDisplayPlugin::activate() {
         delete[] buffer;
     }
     Q_ASSERT(unSize <= 1);
-    MainWindowOpenGLDisplayPlugin::activate();
+    WindowOpenGLDisplayPlugin::activate();
 }
 
 void OpenVrDisplayPlugin::deactivate() {
@@ -141,7 +141,7 @@ void OpenVrDisplayPlugin::deactivate() {
         _hmd = nullptr;
     }
     _compositor = nullptr;
-    MainWindowOpenGLDisplayPlugin::deactivate();
+    WindowOpenGLDisplayPlugin::deactivate();
 }
 
 uvec2 OpenVrDisplayPlugin::getRecommendedRenderSize() const {
@@ -149,19 +149,19 @@ uvec2 OpenVrDisplayPlugin::getRecommendedRenderSize() const {
 }
 
 mat4 OpenVrDisplayPlugin::getProjection(Eye eye, const mat4& baseProjection) const {
+    // FIXME hack to ensure that we don't crash trying to get the combined matrix
+    if (eye == Mono) {
+        eye = Left;
+    }
     return _eyesData[eye]._projectionMatrix;
 }
 
-glm::mat4 OpenVrDisplayPlugin::getModelview(Eye eye, const mat4& baseModelview) const {
-    return baseModelview * getEyePose(eye);
-}
-
 void OpenVrDisplayPlugin::resetSensors() {
     _sensorResetMat = glm::inverse(cancelOutRollAndPitch(_trackedDevicePoseMat4[0]));
 }
 
 glm::mat4 OpenVrDisplayPlugin::getEyePose(Eye eye) const {
-    return getHeadPose() * _eyesData[eye]._eyeOffset;
+    return _eyesData[eye]._eyeOffset * getHeadPose();
 }
 
 glm::mat4 OpenVrDisplayPlugin::getHeadPose() const {
@@ -169,7 +169,7 @@ glm::mat4 OpenVrDisplayPlugin::getHeadPose() const {
 }
 
 void OpenVrDisplayPlugin::customizeContext() {
-    MainWindowOpenGLDisplayPlugin::customizeContext();
+    WindowOpenGLDisplayPlugin::customizeContext();
 }
 
 void OpenVrDisplayPlugin::display(GLuint finalTexture, const glm::uvec2& sceneSize) {

libraries/display-plugins/src/display-plugins/openvr/OpenVrDisplayPlugin.h

@@ -11,9 +11,9 @@
 
 #if defined(Q_OS_WIN)
 
-#include "../MainWindowOpenGLDisplayPlugin.h"
+#include "../WindowOpenGLDisplayPlugin.h"
 
-class OpenVrDisplayPlugin : public MainWindowOpenGLDisplayPlugin {
+class OpenVrDisplayPlugin : public WindowOpenGLDisplayPlugin {
 public:
     virtual bool isSupported() const override;
     virtual const QString & getName() const override;
@@ -27,7 +27,6 @@ public:
 
     // Stereo specific methods
     virtual glm::mat4 getProjection(Eye eye, const glm::mat4& baseProjection) const override;
-    virtual glm::mat4 getModelview(Eye eye, const glm::mat4& baseModelview) const override;
     virtual void resetSensors() override;
 
     virtual glm::mat4 getEyePose(Eye eye) const override;

libraries/display-plugins/src/display-plugins/stereo/InterleavedStereoDisplayPlugin.cpp

@@ -17,6 +17,42 @@
 
 #include <gpu/GLBackend.h>
 
+static const char * INTERLEAVED_TEXTURED_VS = R"VS(#version 410 core
+#pragma line __LINE__
+
+in vec3 Position;
+in vec2 TexCoord;
+
+out vec2 vTexCoord;
+
+void main() {
+  gl_Position = vec4(Position, 1);
+  vTexCoord = TexCoord;
+}
+
+)VS";
+
+static const char * INTERLEAVED_TEXTURED_FS = R"FS(#version 410 core
+#pragma line __LINE__
+
+uniform sampler2D sampler;
+uniform ivec2 textureSize;
+
+in vec2 vTexCoord;
+out vec4 FragColor;
+
+void main() {
+    ivec2 texCoord = ivec2(floor(vTexCoord * textureSize));
+    texCoord.x /= 2;
+    int row = int(floor(gl_FragCoord.y));
+    if (row % 2 > 0) {
+        texCoord.x += (textureSize.x / 2);
+    }
+    FragColor = texelFetch(sampler, texCoord, 0); //texture(sampler, texCoord);
+}
+
+)FS";
+
 const QString InterleavedStereoDisplayPlugin::NAME("Interleaved Stereo Display");
 
 const QString & InterleavedStereoDisplayPlugin::getName() const {
@@ -29,5 +65,20 @@ InterleavedStereoDisplayPlugin::InterleavedStereoDisplayPlugin() {
 void InterleavedStereoDisplayPlugin::customizeContext() {
     StereoDisplayPlugin::customizeContext();
     // Set up the stencil buffers?  Or use a custom shader?
-
+    compileProgram(_program, INTERLEAVED_TEXTURED_VS, INTERLEAVED_TEXTURED_FS);
 }
+
+glm::uvec2 InterleavedStereoDisplayPlugin::getRecommendedRenderSize() const {
+    uvec2 result = WindowOpenGLDisplayPlugin::getRecommendedRenderSize();
+    result.x *= 2;
+    result.y /= 2;
+    return result;
+}
+
+void InterleavedStereoDisplayPlugin::display(
+    GLuint finalTexture, const glm::uvec2& sceneSize) {
+    using namespace oglplus;
+    _program->Bind();
+    Uniform<ivec2>(*_program, "textureSize").SetValue(sceneSize);
+    WindowOpenGLDisplayPlugin::display(finalTexture, sceneSize);
+}

libraries/display-plugins/src/display-plugins/stereo/InterleavedStereoDisplayPlugin.h

@@ -18,6 +18,9 @@ public:
     // initialize OpenGL context settings needed by the plugin
     virtual void customizeContext() override;
 
+    virtual glm::uvec2 getRecommendedRenderSize() const override;
+    void display(GLuint finalTexture, const glm::uvec2& sceneSize) override;
+
 private:
     static const QString NAME;
 };

libraries/display-plugins/src/display-plugins/stereo/SideBySideStereoDisplayPlugin.cpp

@@ -10,14 +10,16 @@
 
 #include <QApplication>
 #include <QDesktopWidget>
+#include <QScreen>
 
 #include <GlWindow.h>
 #include <ViewFrustum.h>
 #include <MatrixStack.h>
 
 #include <gpu/GLBackend.h>
+#include <plugins/PluginContainer.h>
 
-const QString SideBySideStereoDisplayPlugin::NAME("SBS Stereo Display");
+const QString SideBySideStereoDisplayPlugin::NAME("3D TV - Side by Side Stereo");
 
 const QString & SideBySideStereoDisplayPlugin::getName() const {
     return NAME;
@@ -26,3 +28,10 @@ const QString & SideBySideStereoDisplayPlugin::getName() const {
 SideBySideStereoDisplayPlugin::SideBySideStereoDisplayPlugin() {
 }
 
+glm::uvec2 SideBySideStereoDisplayPlugin::getRecommendedRenderSize() const {
+    uvec2 result = WindowOpenGLDisplayPlugin::getRecommendedRenderSize();
+    result.x *= 2;
+    return result;
+}
+
+

libraries/display-plugins/src/display-plugins/stereo/SideBySideStereoDisplayPlugin.h

@@ -9,11 +9,14 @@
 
 #include "StereoDisplayPlugin.h"
 
+class QScreen;
+
 class SideBySideStereoDisplayPlugin : public StereoDisplayPlugin {
     Q_OBJECT
 public:
     SideBySideStereoDisplayPlugin();
-    virtual const QString & getName() const override;
+    virtual const QString& getName() const override;
+    virtual glm::uvec2 getRecommendedRenderSize() const override;
 private:
     static const QString NAME;
 };

libraries/display-plugins/src/display-plugins/stereo/StereoDisplayPlugin.cpp

@@ -10,11 +10,14 @@
 
 #include <QApplication>
 #include <QDesktopWidget>
+#include <QAction>
 
 #include <gpu/GLBackend.h>
 #include <ViewFrustum.h>
 #include <MatrixStack.h>
 #include <plugins/PluginContainer.h>
+#include <QGuiApplication>
+#include <QScreen>
 
 StereoDisplayPlugin::StereoDisplayPlugin() {
 }
@@ -32,6 +35,11 @@ glm::mat4 StereoDisplayPlugin::getProjection(Eye eye, const glm::mat4& baseProje
     // Refer to http://www.nvidia.com/content/gtc-2010/pdfs/2010_gtc2010.pdf on creating 
     // stereo projection matrices.  Do NOT use "toe-in", use translation.
 
+    if (eye == Mono) {
+        // FIXME provide a combined matrix, needed for proper culling
+        return baseProjection;
+    }
+
     float nearZ = DEFAULT_NEAR_CLIP; // near clipping plane
     float screenZ = 0.25f; // screen projection plane
     // FIXME verify this is the right calculation
@@ -42,16 +50,44 @@ glm::mat4 StereoDisplayPlugin::getProjection(Eye eye, const glm::mat4& baseProje
     return glm::translate(baseProjection, vec3(frustumshift, 0, 0));
 }
 
-glm::mat4 StereoDisplayPlugin::getModelview(Eye eye, const glm::mat4& baseModelview) const {
+glm::mat4 StereoDisplayPlugin::getEyePose(Eye eye) const {
     float modelviewShift = HALF_DEFAULT_IPD;
     if (eye == Left) {
         modelviewShift = -modelviewShift;
     }
-    return baseModelview * glm::translate(mat4(), vec3(modelviewShift, 0, 0));
+    return glm::translate(mat4(), vec3(modelviewShift, 0, 0));
 }
 
+std::vector<QAction*> _screenActions;
 void StereoDisplayPlugin::activate() {
-    WindowOpenGLDisplayPlugin::activate();
+    auto screens = qApp->screens();
+    _screenActions.resize(screens.size());
+    for (int i = 0; i < screens.size(); ++i) {
+        auto screen = screens.at(i);
+        QString name = QString("Screen %1: %2").arg(i + 1).arg(screen->name());
+        bool checked = false;
+        if (screen == qApp->primaryScreen()) {
+            checked = true;
+        }
+        auto action = CONTAINER->addMenuItem(MENU_PATH, name,
+            [this](bool clicked) { updateScreen(); }, true, checked, "Screens");
+        _screenActions[i] = action;
+    }
     CONTAINER->setFullscreen(qApp->primaryScreen());
-    // FIXME Add menu items
+    WindowOpenGLDisplayPlugin::activate();
+}
+
+void StereoDisplayPlugin::updateScreen() {
+    for (int i = 0; i < _screenActions.size(); ++i) {
+        if (_screenActions[i]->isChecked()) {
+            CONTAINER->setFullscreen(qApp->screens().at(i));
+            break;
+        }
+    }
+}
+
+void StereoDisplayPlugin::deactivate() {
+    _screenActions.clear();
+    CONTAINER->unsetFullscreen();
+    WindowOpenGLDisplayPlugin::deactivate();
 }

libraries/display-plugins/src/display-plugins/stereo/StereoDisplayPlugin.h

@@ -7,9 +7,9 @@
 //
 #pragma once
 
-#include "../MainWindowOpenGLDisplayPlugin.h"
+#include "../WindowOpenGLDisplayPlugin.h"
 
-class StereoDisplayPlugin : public MainWindowOpenGLDisplayPlugin {
+class StereoDisplayPlugin : public WindowOpenGLDisplayPlugin {
     Q_OBJECT
 public:
     StereoDisplayPlugin();
@@ -17,8 +17,12 @@ public:
     virtual bool isSupported() const override final;
 
     virtual void activate() override;
+    virtual void deactivate() override;
 
     virtual glm::mat4 getProjection(Eye eye, const glm::mat4& baseProjection) const override;
-    virtual glm::mat4 getModelview(Eye eye, const glm::mat4& baseModelview) const override;
+    virtual glm::mat4 getEyePose(Eye eye) const override;
 
+protected:
+    void updateScreen();
+    float _ipd{ 0.064f };
 };

libraries/embedded-webserver/src/HTTPManager.cpp

@@ -30,6 +30,7 @@ HTTPManager::HTTPManager(quint16 port, const QString& documentRoot, HTTPRequestH
     _port(port)
 {
     bindSocket();
+    
     _isListeningTimer = new QTimer(this);
     connect(_isListeningTimer, &QTimer::timeout, this, &HTTPManager::isTcpServerListening);
     _isListeningTimer->start(SOCKET_CHECK_INTERVAL_IN_MS);
@@ -171,9 +172,19 @@ void HTTPManager::isTcpServerListening() {
 
 bool HTTPManager::bindSocket() {
     qCDebug(embeddedwebserver) << "Attempting to bind TCP socket on port " << QString::number(_port);
-    if (!listen(QHostAddress::Any, _port)) {
+    
+    if (listen(QHostAddress::AnyIPv4, _port)) {
+        qCDebug(embeddedwebserver) << "TCP socket is listening on" << serverAddress() << "and port" << serverPort();
+        
+        return true;
+    } else {
         qCritical() << "Failed to open HTTP server socket:" << errorString() << " can't continue";
-        QCoreApplication::exit(SOCKET_ERROR_EXIT_CODE);
+        QMetaObject::invokeMethod(this, "queuedExit", Qt::QueuedConnection);
+        
+        return false;
     }
-    return true;
-}
+}
+
+void HTTPManager::queuedExit() {
+    QCoreApplication::exit(SOCKET_ERROR_EXIT_CODE);
+}

libraries/embedded-webserver/src/HTTPManager.h

@@ -39,6 +39,7 @@ public:
 
 private slots:
     void isTcpServerListening();
+    void queuedExit();
     
 private:
     bool bindSocket();

libraries/gpu/src/gpu/Batch.cpp

@@ -288,3 +288,18 @@ void Batch::resetStages() {
     ADD_COMMAND(resetStages);
 }
 
+void Batch::enableStereo(bool enable) {
+    _enableStereo = enable;
+}
+
+bool Batch::isStereoEnabled() const {
+    return _enableStereo;
+}
+
+void Batch::enableSkybox(bool enable) {
+    _enableSkybox = enable;
+}
+
+bool Batch::isSkyboxEnabled() const {
+    return _enableSkybox;
+}

libraries/gpu/src/gpu/Batch.h

@@ -26,7 +26,7 @@
         ProfileRange(const char *name);
         ~ProfileRange();
     };
-    #define PROFILE_RANGE(name) ProfileRange profileRangeThis(name);
+#define PROFILE_RANGE(name) ProfileRange profileRangeThis(name);
 #else
 #define PROFILE_RANGE(name)
 #endif
@@ -47,6 +47,19 @@ public:
     ~Batch();
 
     void clear();
+    
+    // Batches may need to override the context level stereo settings
+    // if they're performing framebuffer copy operations, like the 
+    // deferred lighting resolution mechanism
+    void enableStereo(bool enable = true);
+    bool isStereoEnabled() const;
+
+    // Stereo batches will pre-translate the view matrix, but this isn't 
+    // appropriate for skyboxes or other things intended to be drawn at 
+    // infinite distance, so provide a mechanism to render in stereo 
+    // without the pre-translation of the view.  
+    void enableSkybox(bool enable = true);
+    bool isSkyboxEnabled() const;
 
     // Drawcalls
     void draw(Primitive primitiveType, uint32 numVertices, uint32 startVertex = 0);
@@ -276,6 +289,9 @@ public:
     FramebufferCaches _framebuffers;
     QueryCaches _queries;
 
+    bool _enableStereo{ true };
+    bool _enableSkybox{ false };
+
 protected:
 };
 

libraries/gpu/src/gpu/Context.cpp

@@ -40,6 +40,18 @@ void Context::render(Batch& batch) {
     _backend->render(batch);
 }
 
+void Context::enableStereo(bool enable) {
+    _backend->enableStereo(enable);
+}
+
+void Context::setStereoProjections(const mat4 eyeProjections[2]) {
+    _backend->setStereoProjections(eyeProjections);
+}
+
+void Context::setStereoViews(const mat4 eyeViews[2]) {
+    _backend->setStereoViews(eyeViews);
+}
+
 void Context::syncCache() {
     PROFILE_RANGE(__FUNCTION__);
     _backend->syncCache();
@@ -49,3 +61,26 @@ void Context::downloadFramebuffer(const FramebufferPointer& srcFramebuffer, cons
     _backend->downloadFramebuffer(srcFramebuffer, region, destImage);
 }
 
+const Backend::TransformCamera& Backend::TransformCamera::recomputeDerived() const {
+    _projectionInverse = glm::inverse(_projection);
+    _viewInverse = glm::inverse(_view);
+
+    Mat4 viewUntranslated = _view;
+    viewUntranslated[3] = Vec4(0.0f, 0.0f, 0.0f, 1.0f);
+    _projectionViewUntranslated = _projection * viewUntranslated;
+    return *this;
+}
+
+Backend::TransformCamera Backend::TransformCamera::getEyeCamera(int eye, const StereoState& _stereo) const {
+    TransformCamera result = *this;
+    if (!_stereo._skybox) {
+        result._view = _stereo._eyeViews[eye] * result._view;
+    } else {
+        glm::mat4 skyboxView = _stereo._eyeViews[eye];
+        skyboxView[3] = vec4(0, 0, 0, 1);
+        result._view = skyboxView * result._view;
+    }
+    result._projection = _stereo._eyeProjections[eye];
+    result.recomputeDerived();
+    return result;
+}

libraries/gpu/src/gpu/Context.h

@@ -14,6 +14,8 @@
 #include <assert.h>
 #include <mutex>
 
+#include <GLMHelpers.h>
+
 #include "Batch.h"
 
 #include "Resource.h"
@@ -25,28 +27,58 @@ class QImage;
 
 namespace gpu {
 
+struct StereoState {
+    bool _enable{ false };
+    bool _skybox{ false };
+    // 0 for left eye, 1 for right eye
+    uint8_t _pass{ 0 };
+    mat4 _eyeViews[2];
+    mat4 _eyeProjections[2];
+};
+
 class Backend {
 public:
     virtual~ Backend() {};
 
     virtual void render(Batch& batch) = 0;
+    virtual void enableStereo(bool enable) {
+        _stereo._enable = enable;
+    }
+
+    void setStereoProjections(const mat4 eyeProjections[2]) {
+        for (int i = 0; i < 2; ++i) {
+            _stereo._eyeProjections[i] = eyeProjections[i];
+        }
+    }
+
+    void setStereoViews(const mat4 views[2]) {
+        for (int i = 0; i < 2; ++i) {
+            _stereo._eyeViews[i] = views[i];
+        }
+    }
+
     virtual void syncCache() = 0;
     virtual void downloadFramebuffer(const FramebufferPointer& srcFramebuffer, const Vec4i& region, QImage& destImage) = 0;
 
+    // UBO class... layout MUST match the layout in TransformCamera.slh
     class TransformObject {
     public:
         Mat4 _model;
         Mat4 _modelInverse;
     };
 
+    // UBO class... layout MUST match the layout in TransformCamera.slh
     class TransformCamera {
     public:
         Mat4 _view;
-        Mat4 _viewInverse;
-        Mat4 _projectionViewUntranslated;
+        mutable Mat4 _viewInverse;
+        mutable Mat4 _projectionViewUntranslated;
         Mat4 _projection;
-        Mat4 _projectionInverse;
+        mutable Mat4 _projectionInverse;
         Vec4 _viewport; // Public value is int but float in the shader to stay in floats for all the transform computations.
+
+        const Backend::TransformCamera& recomputeDerived() const;
+        TransformCamera getEyeCamera(int eye, const StereoState& stereo) const;
     };
 
     template< typename T >
@@ -113,7 +145,7 @@ public:
     }
 
 protected:
-
+    StereoState  _stereo;
 };
 
 class Context {
@@ -136,7 +168,9 @@ public:
     ~Context();
 
     void render(Batch& batch);
-
+    void enableStereo(bool enable = true);
+    void setStereoProjections(const mat4 eyeProjections[2]);
+    void setStereoViews(const mat4 eyeViews[2]);
     void syncCache();
 
     // Downloading the Framebuffer is a synchronous action that is not efficient.

libraries/gpu/src/gpu/Forward.h

@@ -0,0 +1,77 @@
+//
+//  Created by Bradley Austin Davis on 2015/08/15
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+#pragma once
+#ifndef hifi_gpu_Forward_h
+#define hifi_gpu_Forward_h
+
+namespace gpu {
+    class Batch;
+    class Backend;
+    class Context;
+    typedef std::shared_ptr<Context> ContextPointer;
+    class GPUObject;
+
+    typedef int Stamp;
+    typedef uint32_t uint32;
+    typedef int32_t int32;
+    typedef uint16_t uint16;
+    typedef int16_t int16;
+    typedef uint8_t uint8;
+    typedef int8_t int8;
+
+    typedef uint8 Byte;
+    typedef uint32 Offset;
+    typedef std::vector<Offset> Offsets;
+
+    typedef glm::mat4 Mat4;
+    typedef glm::mat3 Mat3;
+    typedef glm::vec4 Vec4;
+    typedef glm::ivec4 Vec4i;
+    typedef glm::vec3 Vec3;
+    typedef glm::vec2 Vec2;
+    typedef glm::ivec2 Vec2i;
+    typedef glm::uvec2 Vec2u;
+
+    class Element;
+    typedef Element Format;
+    class Swapchain;
+    typedef std::shared_ptr<Swapchain> SwapchainPointer;
+    class Framebuffer;
+    typedef std::shared_ptr<Framebuffer> FramebufferPointer;
+    class Pipeline;
+    typedef std::shared_ptr<Pipeline> PipelinePointer;
+    typedef std::vector<PipelinePointer> Pipelines;
+    class Query;
+    typedef std::shared_ptr<Query> QueryPointer;
+    typedef std::vector<QueryPointer> Queries;
+    class Resource;
+    class Buffer;
+    typedef std::shared_ptr<Buffer> BufferPointer;
+    typedef std::vector<BufferPointer> Buffers;
+    class BufferView;
+    class Shader;
+    typedef Shader::Pointer ShaderPointer;
+    typedef std::vector<ShaderPointer> Shaders;
+    class State;
+    typedef std::shared_ptr<State> StatePointer;
+    typedef std::vector<StatePointer> States;
+    class Stream;
+    class BufferStream;
+    typedef std::shared_ptr<BufferStream> BufferStreamPointer;
+    class Texture;
+    class SphericalHarmonics;
+    typedef std::shared_ptr<SphericalHarmonics> SHPointer;
+    class Sampler;
+    class Texture;
+    typedef std::shared_ptr<Texture> TexturePointer;
+    typedef std::vector<TexturePointer> Textures;
+    class TextureView;
+    typedef std::vector<TextureView> TextureViews;
+}
+
+#endif

libraries/gpu/src/gpu/GLBackend.cpp

@@ -127,39 +127,29 @@ void GLBackend::renderPassTransfer(Batch& batch) {
     const Batch::Commands::value_type* command = batch.getCommands().data();
     const Batch::CommandOffsets::value_type* offset = batch.getCommandOffsets().data();
 
-    _transform._cameraTransforms.resize(0);
-    _transform._cameraTransforms.push_back(TransformCamera());
+    // Reset the transform buffers
+    _transform._cameras.resize(0);
     _transform._cameraOffsets.clear();
-    _transform._cameraOffsets.push_back(TransformStageState::Pair(0, 0));
-
-    _transform._objectTransforms.push_back(TransformObject());
-    _transform._objectOffsets.push_back(TransformStageState::Pair(0, 0));
+    _transform._objects.resize(0);
     _transform._objectOffsets.clear();
-    _transform._objectTransforms.resize(0);
-   
-    _commandIndex = 0;
-    preUpdateTransform();
 
-    int drawCount = 0;
     for (_commandIndex = 0; _commandIndex < numCommands; ++_commandIndex) {
         switch (*command) {
             case Batch::COMMAND_draw:
             case Batch::COMMAND_drawIndexed:
             case Batch::COMMAND_drawInstanced:
             case Batch::COMMAND_drawIndexedInstanced:
-                preUpdateTransform();
-                ++drawCount;
+                _transform.preUpdate(_commandIndex, _stereo);
                 break;
 
             case Batch::COMMAND_setModelTransform:
             case Batch::COMMAND_setViewportTransform:
             case Batch::COMMAND_setViewTransform:
-            case Batch::COMMAND_setProjectionTransform:
-            {
+            case Batch::COMMAND_setProjectionTransform: {
                 CommandCall call = _commandCalls[(*command)];
                 (this->*(call))(batch, *offset);
+                break;
             }
-            break;
 
             default:
                 break;
@@ -167,44 +157,31 @@ void GLBackend::renderPassTransfer(Batch& batch) {
         command++;
         offset++;
     }
-
-    
-    static QByteArray bufferData;
-    glBindBuffer(GL_UNIFORM_BUFFER, _transform._transformCameraBuffer);
-    bufferData.resize(_transform._cameraUboSize * _transform._cameraTransforms.size());
-    for (size_t i = 0; i < _transform._cameraTransforms.size(); ++i) {
-        memcpy(bufferData.data() + (_transform._cameraUboSize * i), &_transform._cameraTransforms[i], sizeof(TransformCamera));
-    }
-    glBufferData(GL_UNIFORM_BUFFER, bufferData.size(), bufferData.data(), GL_DYNAMIC_DRAW);
-    glBindBuffer(GL_UNIFORM_BUFFER, _transform._transformObjectBuffer);
-    bufferData.resize(_transform._objectUboSize * _transform._objectTransforms.size());
-    for (size_t i = 0; i < _transform._objectTransforms.size(); ++i) {
-        memcpy(bufferData.data() + (_transform._objectUboSize * i), &_transform._objectTransforms[i], sizeof(TransformObject));
-    }
-    glBufferData(GL_UNIFORM_BUFFER, bufferData.size(), bufferData.data(), GL_DYNAMIC_DRAW);
-    glBindBuffer(GL_UNIFORM_BUFFER, 0);
-    CHECK_GL_ERROR();
+    _transform.transfer();
 }
 
 void GLBackend::renderPassDraw(Batch& batch) {
+    _transform._objectsItr = _transform._objectOffsets.begin();
+    _transform._camerasItr = _transform._cameraOffsets.begin();
     const size_t numCommands = batch.getCommands().size();
     const Batch::Commands::value_type* command = batch.getCommands().data();
     const Batch::CommandOffsets::value_type* offset = batch.getCommandOffsets().data();
     for (_commandIndex = 0; _commandIndex < numCommands; ++_commandIndex) {
         switch (*command) {
             // Ignore these commands on this pass, taken care of in the transfer pass
+            // Note we allow COMMAND_setViewportTransform to occur in both passes
+            // as it both updates the transform object (and thus the uniforms in the 
+            // UBO) as well as executes the actual viewport call
             case Batch::COMMAND_setModelTransform:
-            case Batch::COMMAND_setViewportTransform:
             case Batch::COMMAND_setViewTransform:
             case Batch::COMMAND_setProjectionTransform:
                 break;
 
-            default:
-            {
+            default: {
                 CommandCall call = _commandCalls[(*command)];
                 (this->*(call))(batch, *offset);
+                break;
             }
-            break;
         }
 
         command++;
@@ -213,8 +190,33 @@ void GLBackend::renderPassDraw(Batch& batch) {
 }
 
 void GLBackend::render(Batch& batch) {
-    renderPassTransfer(batch);
-    renderPassDraw(batch);
+    _stereo._skybox = batch.isSkyboxEnabled();
+    // Allow the batch to override the rendering stereo settings
+    // for things like full framebuffer copy operations (deferred lighting passes)
+    bool savedStereo = _stereo._enable;
+    if (!batch.isStereoEnabled()) {
+        _stereo._enable = false;
+    }
+
+    {
+        PROFILE_RANGE("Transfer");
+        renderPassTransfer(batch);
+    }
+
+    {
+        PROFILE_RANGE(_stereo._enable ? "LeftRender" : "Render");
+        renderPassDraw(batch);
+    }
+
+    if (_stereo._enable) {
+        PROFILE_RANGE("RightRender");
+        _stereo._pass = 1;
+        renderPassDraw(batch);
+        _stereo._pass = 0;
+    }
+
+    // Restore the saved stereo state for the next batch
+    _stereo._enable = savedStereo;
 }
 
 bool GLBackend::checkGLError(const char* name) {

libraries/gpu/src/gpu/GLBackend.h

@@ -310,19 +310,22 @@ protected:
     void killTransform();
     // Synchronize the state cache of this Backend with the actual real state of the GL Context
     void syncTransformStateCache();
-    void updateTransform();
-    void preUpdateTransform();
+    void updateTransform() const;
     void resetTransformStage();
-    struct TransformStageState {
-        TransformObject _transformObject;
-        TransformCamera _transformCamera;
 
-        std::vector<TransformObject> _objectTransforms;
-        std::vector<TransformCamera> _cameraTransforms;
+    struct TransformStageState {
+        using TransformObjects = std::vector<TransformObject>;
+        using TransformCameras = std::vector<TransformCamera>;
+
+        TransformObject _object;
+        TransformCamera _camera;
+        TransformObjects _objects;
+        TransformCameras _cameras;
+
         size_t _cameraUboSize{ 0 };
         size_t _objectUboSize{ 0 };
-        GLuint _transformObjectBuffer{ 0 };
-        GLuint _transformCameraBuffer{ 0 };
+        GLuint _objectBuffer{ 0 };
+        GLuint _cameraBuffer{ 0 };
         Transform _model;
         Transform _view;
         Mat4 _projection;
@@ -336,6 +339,12 @@ protected:
         using List = std::list<Pair>;
         List _cameraOffsets;
         List _objectOffsets;
+        mutable List::const_iterator _objectsItr;
+        mutable List::const_iterator _camerasItr;
+
+        void preUpdate(size_t commandIndex, const StereoState& stereo);
+        void update(size_t commandIndex, const StereoState& stereo) const;
+        void transfer() const;
     } _transform;
 
     int32_t _uboAlignment{ 0 };

libraries/gpu/src/gpu/GLBackendOutput.cpp

@@ -198,6 +198,9 @@ void GLBackend::do_setFramebuffer(Batch& batch, uint32 paramOffset) {
 }
 
 void GLBackend::do_clearFramebuffer(Batch& batch, uint32 paramOffset) {
+    if (_stereo._enable && !_pipeline._stateCache.scissorEnable) {
+        qWarning("Clear without scissor in stereo mode");
+    }
 
     uint32 masks = batch._params[paramOffset + 7]._uint;
     Vec4 color;

libraries/gpu/src/gpu/GLBackendState.cpp

@@ -768,6 +768,12 @@ void GLBackend::do_setStateScissorRect(Batch& batch, uint32 paramOffset) {
     Vec4i rect;
     memcpy(&rect, batch.editData(batch._params[paramOffset]._uint), sizeof(Vec4i));
 
+    if (_stereo._enable) {
+        rect.z /= 2;
+        if (_stereo._pass) {
+            rect.x += rect.z;
+        }
+    }
     glScissor(rect.x, rect.y, rect.z, rect.w);
     (void) CHECK_GL_ERROR();
 }

libraries/gpu/src/gpu/GLBackendTransform.cpp

@@ -33,16 +33,26 @@ void GLBackend::do_setProjectionTransform(Batch& batch, uint32 paramOffset) {
 void GLBackend::do_setViewportTransform(Batch& batch, uint32 paramOffset) {
     memcpy(&_transform._viewport, batch.editData(batch._params[paramOffset]._uint), sizeof(Vec4i));
 
+    ivec4& vp = _transform._viewport;
+
     // Where we assign the GL viewport
-    glViewport(_transform._viewport.x, _transform._viewport.y, _transform._viewport.z, _transform._viewport.w);
+    if (_stereo._enable) {
+        vp.z /= 2;
+        if (_stereo._pass) {
+            vp.x += vp.z;
+        }
+        int i = 0;
+    } 
+
+    glViewport(vp.x, vp.y, vp.z, vp.w);
 
     // The Viewport is tagged invalid because the CameraTransformUBO is not up to date and willl need update on next drawcall
     _transform._invalidViewport = true;
 }
 
 void GLBackend::initTransform() {
-    glGenBuffers(1, &_transform._transformObjectBuffer);
-    glGenBuffers(1, &_transform._transformCameraBuffer);
+    glGenBuffers(1, &_transform._objectBuffer);
+    glGenBuffers(1, &_transform._cameraBuffer);
     size_t cameraSize = sizeof(TransformCamera);
     while (_transform._cameraUboSize < cameraSize) {
         _transform._cameraUboSize += _uboAlignment;
@@ -54,8 +64,8 @@ void GLBackend::initTransform() {
 }
 
 void GLBackend::killTransform() {
-    glDeleteBuffers(1, &_transform._transformObjectBuffer);
-    glDeleteBuffers(1, &_transform._transformCameraBuffer);
+    glDeleteBuffers(1, &_transform._objectBuffer);
+    glDeleteBuffers(1, &_transform._cameraBuffer);
 }
 
 void GLBackend::syncTransformStateCache() {
@@ -72,73 +82,98 @@ void GLBackend::syncTransformStateCache() {
     _transform._model.setIdentity();
 }
 
-void GLBackend::preUpdateTransform() {
+void GLBackend::TransformStageState::preUpdate(size_t commandIndex, const StereoState& stereo) {
     // Check all the dirty flags and update the state accordingly
-    if (_transform._invalidViewport) {
-        _transform._transformCamera._viewport = glm::vec4(_transform._viewport);
+    if (_invalidViewport) {
+        _camera._viewport = glm::vec4(_viewport);
     }
 
-    if (_transform._invalidProj) {
-        _transform._transformCamera._projection = _transform._projection;
-        _transform._transformCamera._projectionInverse = glm::inverse(_transform._projection);
+    if (_invalidProj) {
+        _camera._projection = _projection;
     }
 
-    if (_transform._invalidView) {
-        _transform._view.getInverseMatrix(_transform._transformCamera._view);
-        _transform._view.getMatrix(_transform._transformCamera._viewInverse);
+    if (_invalidView) {
+        _view.getInverseMatrix(_camera._view);
     }
 
-    if (_transform._invalidModel) {
-        _transform._model.getMatrix(_transform._transformObject._model);
-        _transform._model.getInverseMatrix(_transform._transformObject._modelInverse);
+    if (_invalidModel) {
+        _model.getMatrix(_object._model);
+        _model.getInverseMatrix(_object._modelInverse);
     }
 
-    if (_transform._invalidView || _transform._invalidProj) {
-        Mat4 viewUntranslated = _transform._transformCamera._view;
-        viewUntranslated[3] = Vec4(0.0f, 0.0f, 0.0f, 1.0f);
-        _transform._transformCamera._projectionViewUntranslated = _transform._transformCamera._projection * viewUntranslated;
+    if (_invalidView || _invalidProj || _invalidViewport) {
+        size_t offset = _cameraUboSize * _cameras.size();
+        if (stereo._enable) {
+            _cameraOffsets.push_back(TransformStageState::Pair(commandIndex, offset));
+            for (int i = 0; i < 2; ++i) {
+                _cameras.push_back(_camera.getEyeCamera(i, stereo));
+            }
+        } else {
+            _cameraOffsets.push_back(TransformStageState::Pair(commandIndex, offset));
+            _cameras.push_back(_camera.recomputeDerived());
+        }
     }
 
-    if (_transform._invalidView || _transform._invalidProj || _transform._invalidViewport) {
-        _transform._cameraOffsets.push_back(TransformStageState::Pair(_commandIndex, _transform._cameraUboSize * _transform._cameraTransforms.size()));
-        _transform._cameraTransforms.push_back(_transform._transformCamera);
-    }
-
-    if (_transform._invalidModel) {
-        _transform._objectOffsets.push_back(TransformStageState::Pair(_commandIndex, _transform._objectUboSize * _transform._objectTransforms.size()));
-        _transform._objectTransforms.push_back(_transform._transformObject);
+    if (_invalidModel) {
+        size_t offset = _objectUboSize * _objects.size();
+        _objectOffsets.push_back(TransformStageState::Pair(commandIndex, offset));
+        _objects.push_back(_object);
     }
 
     // Flags are clean
-    _transform._invalidView = _transform._invalidProj = _transform._invalidModel = _transform._invalidViewport = false;
+    _invalidView = _invalidProj = _invalidModel = _invalidViewport = false;
 }
 
-void GLBackend::updateTransform() {
+void GLBackend::TransformStageState::transfer() const {
+    static QByteArray bufferData;
+    glBindBuffer(GL_UNIFORM_BUFFER, _cameraBuffer);
+    bufferData.resize(_cameraUboSize * _cameras.size());
+    for (size_t i = 0; i < _cameras.size(); ++i) {
+        memcpy(bufferData.data() + (_cameraUboSize * i), &_cameras[i], sizeof(TransformCamera));
+    }
+    glBufferData(GL_UNIFORM_BUFFER, bufferData.size(), bufferData.data(), GL_DYNAMIC_DRAW);
+    glBindBuffer(GL_UNIFORM_BUFFER, _objectBuffer);
+    bufferData.resize(_objectUboSize * _objects.size());
+    for (size_t i = 0; i < _objects.size(); ++i) {
+        memcpy(bufferData.data() + (_objectUboSize * i), &_objects[i], sizeof(TransformObject));
+    }
+    glBufferData(GL_UNIFORM_BUFFER, bufferData.size(), bufferData.data(), GL_DYNAMIC_DRAW);
+    glBindBuffer(GL_UNIFORM_BUFFER, 0);
+    CHECK_GL_ERROR();
+}
+
+void GLBackend::TransformStageState::update(size_t commandIndex, const StereoState& stereo) const {
     int offset = -1;
-    while (!_transform._objectOffsets.empty() && _commandIndex >= _transform._objectOffsets.front().first) {
-        offset = _transform._objectOffsets.front().second;
-        _transform._objectOffsets.pop_front();
+    while ((_objectsItr != _objectOffsets.end()) && (commandIndex >= (*_objectsItr).first)) {
+        offset = (*_objectsItr).second;
+        ++_objectsItr;
     }
     if (offset >= 0) {
-        glBindBufferRange(GL_UNIFORM_BUFFER, TRANSFORM_OBJECT_SLOT, 
-            _transform._transformObjectBuffer,
-            offset, sizeof(Backend::TransformObject));
+        glBindBufferRange(GL_UNIFORM_BUFFER, TRANSFORM_OBJECT_SLOT,
+            _objectBuffer, offset, sizeof(Backend::TransformObject));
     }
 
     offset = -1;
-    while (!_transform._cameraOffsets.empty() && _commandIndex >= _transform._cameraOffsets.front().first) {
-        offset = _transform._cameraOffsets.front().second;
-        _transform._cameraOffsets.pop_front();
+    while ((_camerasItr != _cameraOffsets.end()) && (commandIndex >= (*_camerasItr).first)) {
+        offset = (*_camerasItr).second;
+        ++_camerasItr;
     }
     if (offset >= 0) {
-        glBindBufferRange(GL_UNIFORM_BUFFER, TRANSFORM_CAMERA_SLOT, 
-            _transform._transformCameraBuffer,
-            offset, sizeof(Backend::TransformCamera));
+        // We include both camera offsets for stereo
+        if (stereo._enable && stereo._pass) {
+            offset += _cameraUboSize;
+        }
+        glBindBufferRange(GL_UNIFORM_BUFFER, TRANSFORM_CAMERA_SLOT,
+            _cameraBuffer, offset, sizeof(Backend::TransformCamera));
     }
 
     (void)CHECK_GL_ERROR();
 }
 
+void GLBackend::updateTransform() const {
+    _transform.update(_commandIndex, _stereo);
+}
+
 void GLBackend::resetTransformStage() {
     
 }

libraries/input-plugins/CMakeLists.txt

@@ -6,7 +6,7 @@ foreach(EXTERNAL ${OPTIONAL_EXTERNALS})
   string(TOUPPER ${EXTERNAL} ${EXTERNAL}_UPPERCASE)
   if (NOT ${${EXTERNAL}_UPPERCASE}_ROOT_DIR)
     string(TOLOWER ${EXTERNAL} ${EXTERNAL}_LOWERCASE)
-    set(${${EXTERNAL}_UPPERCASE}_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/external/${${EXTERNAL}_LOWERCASE}")
+    set(${${EXTERNAL}_UPPERCASE}_ROOT_DIR "${CMAKE_SOURCE_DIR}/interface/external/${${EXTERNAL}_LOWERCASE}")
   endif ()
 endforeach()
 

libraries/input-plugins/src/input-plugins/ViveControllerManager.cpp

@@ -189,7 +189,6 @@ void ViveControllerManager::updateRendering(RenderArgs* args, render::ScenePoint
             renderHand(rightHand, batch, RIGHT_HAND);
         }
 
-        args->_context->syncCache();
         args->_context->render(batch);
     }
 }

libraries/model/src/model/Light.cpp

@@ -58,10 +58,12 @@ const Vec3& Light::getDirection() const {
 
 void Light::setColor(const Color& color) {
     editSchema()._color = color;
+    updateLightRadius();
 }
 
 void Light::setIntensity(float intensity) {
     editSchema()._intensity = intensity;
+    updateLightRadius();
 }
 
 void Light::setAmbientIntensity(float intensity) {
@@ -72,9 +74,14 @@ void Light::setMaximumRadius(float radius) {
     if (radius <= 0.f) {
         radius = 1.0f;
     }
+    editSchema()._attenuation.w = radius;
+    updateLightRadius();
+}
+
+void Light::updateLightRadius() {
     float CutOffIntensityRatio = 0.05f;
-    float surfaceRadius = radius / (sqrtf(1.0f / CutOffIntensityRatio) - 1.0f);
-    editSchema()._attenuation = Vec4(surfaceRadius, 1.0f/surfaceRadius, CutOffIntensityRatio, radius);
+    float surfaceRadius = getMaximumRadius() / (sqrtf((getIntensity() * std::max(std::max(getColor().x, getColor().y), getColor().z)) / CutOffIntensityRatio) - 1.0f);
+    editSchema()._attenuation = Vec4(surfaceRadius, 1.0f/surfaceRadius, CutOffIntensityRatio, getMaximumRadius());
 }
 
 #include <math.h>

libraries/model/src/model/Light.h

@@ -127,6 +127,8 @@ protected:
 
     const Schema& getSchema() const { return _schemaBuffer.get<Schema>(); }
     Schema& editSchema() { return _schemaBuffer.edit<Schema>(); }
+
+    void updateLightRadius();
 };
 typedef std::shared_ptr< Light > LightPointer;
 

libraries/plugins/src/plugins/Forward.h

@@ -0,0 +1,23 @@
+//
+//  Created by Bradley Austin Davis on 2015/08/08
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+#pragma once
+
+#include <QList>
+#include <QVector>
+#include <QSharedPointer>
+
+class DisplayPlugin;
+class InputPlugin;
+class Plugin;
+class PluginContainer;
+class PluginManager;
+
+using DisplayPluginPointer = QSharedPointer<DisplayPlugin>;
+using DisplayPluginList = QVector<DisplayPluginPointer>;
+using InputPluginPointer = QSharedPointer<InputPlugin>;
+using InputPluginList = QVector<InputPluginPointer>;

libraries/plugins/src/plugins/Plugin.cpp

@@ -1,3 +1,10 @@
+//
+//  Created by Bradley Austin Davis on 2015/08/08
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
 #include "Plugin.h"
 
 PluginContainer* Plugin::CONTAINER{ nullptr };

libraries/plugins/src/plugins/Plugin.h

@@ -1,9 +1,16 @@
+//
+//  Created by Bradley Austin Davis on 2015/08/08
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
 #pragma once
 
 #include <QString>
 #include <QObject>
 
-class PluginContainer;
+#include "Forward.h"
 
 class Plugin : public QObject {
 public:

libraries/plugins/src/plugins/PluginContainer.h

@@ -7,9 +7,10 @@
 //
 #pragma once
 
-#include <QString>
 #include <functional>
+#include <QString>
 
+class QAction;
 class QGLWidget;
 class QScreen;
 
@@ -18,11 +19,11 @@ public:
     PluginContainer();
     virtual void addMenu(const QString& menuName) = 0;
     virtual void removeMenu(const QString& menuName) = 0;
-    virtual void addMenuItem(const QString& path, const QString& name, std::function<void(bool)> onClicked, bool checkable = false, bool checked = false, const QString& groupName = "") = 0;
+    virtual QAction* addMenuItem(const QString& path, const QString& name, std::function<void(bool)> onClicked, bool checkable = false, bool checked = false, const QString& groupName = "") = 0;
     virtual void removeMenuItem(const QString& menuName, const QString& menuItem) = 0;
     virtual bool isOptionChecked(const QString& name) = 0;
     virtual void setIsOptionChecked(const QString& path, bool checked) = 0;
-    virtual void setFullscreen(const QScreen* targetScreen) = 0;
+    virtual void setFullscreen(const QScreen* targetScreen, bool hideMenu = false) = 0;
     virtual void unsetFullscreen(const QScreen* avoidScreen = nullptr) = 0;
     virtual void showDisplayPluginsTools() = 0;
     virtual QGLWidget* getPrimarySurface() = 0;

libraries/plugins/src/plugins/PluginManager.cpp

@@ -1,7 +1,13 @@
+//
+//  Created by Bradley Austin Davis on 2015/08/08
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
 #include "PluginManager.h"
 #include <mutex>
 
-
 PluginManager* PluginManager::getInstance() {
     static PluginManager _manager;
     return &_manager;

libraries/plugins/src/plugins/PluginManager.h

@@ -1,17 +1,13 @@
+//
+//  Created by Bradley Austin Davis on 2015/08/08
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
 #pragma once
 
-#include "Plugin.h"
-#include <QList>
-#include <QVector>
-#include <QSharedPointer>
-
-class DisplayPlugin;
-class InputPlugin;
-
-using DisplayPluginPointer = QSharedPointer<DisplayPlugin>;
-using DisplayPluginList = QVector<DisplayPluginPointer>;
-using InputPluginPointer = QSharedPointer<InputPlugin>;
-using InputPluginList = QVector<InputPluginPointer>;
+#include "Forward.h"
 
 class PluginManager : public QObject {
 public:

libraries/render-utils/src/AmbientOcclusionEffect.cpp

@@ -51,8 +51,13 @@ const gpu::PipelinePointer& AmbientOcclusion::getOcclusionPipeline() {
         _gBiasLoc = program->getUniforms().findLocation("g_bias");
         _gSampleRadiusLoc = program->getUniforms().findLocation("g_sample_rad");
         _gIntensityLoc = program->getUniforms().findLocation("g_intensity");
-        _bufferWidthLoc = program->getUniforms().findLocation("bufferWidth");
-        _bufferHeightLoc = program->getUniforms().findLocation("bufferHeight");
+
+        _nearLoc = program->getUniforms().findLocation("near");
+        _depthScaleLoc = program->getUniforms().findLocation("depthScale");
+        _depthTexCoordOffsetLoc = program->getUniforms().findLocation("depthTexCoordOffset");
+        _depthTexCoordScaleLoc = program->getUniforms().findLocation("depthTexCoordScale");
+        _renderTargetResLoc = program->getUniforms().findLocation("renderTargetRes");
+        _renderTargetResInvLoc = program->getUniforms().findLocation("renderTargetResInv");
 
         gpu::StatePointer state = gpu::StatePointer(new gpu::State());
 
@@ -172,9 +177,19 @@ const gpu::PipelinePointer& AmbientOcclusion::getBlendPipeline() {
 void AmbientOcclusion::run(const render::SceneContextPointer& sceneContext, const render::RenderContextPointer& renderContext) {
     assert(renderContext->args);
     assert(renderContext->args->_viewFrustum);
-    RenderArgs* args = renderContext->args;
 
     gpu::Batch batch;
+    RenderArgs* args = renderContext->args;
+
+    auto framebufferCache = DependencyManager::get<FramebufferCache>();
+    QSize framebufferSize = framebufferCache->getFrameBufferSize();
+    float fbWidth = framebufferSize.width();
+    float fbHeight = framebufferSize.height();
+    float sMin = args->_viewport.x / fbWidth;
+    float sWidth = args->_viewport.z / fbWidth;
+    float tMin = args->_viewport.y / fbHeight;
+    float tHeight = args->_viewport.w / fbHeight;
+
 
     glm::mat4 projMat;
     Transform viewMat;
@@ -186,8 +201,8 @@ void AmbientOcclusion::run(const render::SceneContextPointer& sceneContext, cons
 
     // Occlusion step
     getOcclusionPipeline();
-    batch.setResourceTexture(0, DependencyManager::get<FramebufferCache>()->getPrimaryDepthTexture());
-    batch.setResourceTexture(1, DependencyManager::get<FramebufferCache>()->getPrimaryNormalTexture());
+    batch.setResourceTexture(0, framebufferCache->getPrimaryDepthTexture());
+    batch.setResourceTexture(1, framebufferCache->getPrimaryNormalTexture());
     _occlusionBuffer->setRenderBuffer(0, _occlusionTexture);
     batch.setFramebuffer(_occlusionBuffer);
 
@@ -203,8 +218,32 @@ void AmbientOcclusion::run(const render::SceneContextPointer& sceneContext, cons
     batch._glUniform1f(_gBiasLoc, g_bias);
     batch._glUniform1f(_gSampleRadiusLoc, g_sample_rad);
     batch._glUniform1f(_gIntensityLoc, g_intensity);
-    batch._glUniform1f(_bufferWidthLoc, DependencyManager::get<FramebufferCache>()->getFrameBufferSize().width());
-    batch._glUniform1f(_bufferHeightLoc, DependencyManager::get<FramebufferCache>()->getFrameBufferSize().height());
+
+    // setup uniforms for unpacking a view-space position from the depth buffer
+    // This is code taken from DeferredLightEffect.render() method in DeferredLightingEffect.cpp.
+    // DeferredBuffer.slh shows how the unpacking is done and what variables are needed.
+
+    // initialize the view-space unpacking uniforms using frustum data
+    float left, right, bottom, top, nearVal, farVal;
+    glm::vec4 nearClipPlane, farClipPlane;
+
+    args->_viewFrustum->computeOffAxisFrustum(left, right, bottom, top, nearVal, farVal, nearClipPlane, farClipPlane);
+
+    float depthScale = (farVal - nearVal) / farVal;
+    float nearScale = -1.0f / nearVal;
+    float depthTexCoordScaleS = (right - left) * nearScale / sWidth;
+    float depthTexCoordScaleT = (top - bottom) * nearScale / tHeight;
+    float depthTexCoordOffsetS = left * nearScale - sMin * depthTexCoordScaleS;
+    float depthTexCoordOffsetT = bottom * nearScale - tMin * depthTexCoordScaleT;
+
+    // now set the position-unpacking unforms
+    batch._glUniform1f(_nearLoc, nearVal);
+    batch._glUniform1f(_depthScaleLoc, depthScale);
+    batch._glUniform2f(_depthTexCoordOffsetLoc, depthTexCoordOffsetS, depthTexCoordOffsetT);
+    batch._glUniform2f(_depthTexCoordScaleLoc, depthTexCoordScaleS, depthTexCoordScaleT);
+
+    batch._glUniform2f(_renderTargetResLoc, fbWidth, fbHeight);
+    batch._glUniform2f(_renderTargetResInvLoc, 1.0/fbWidth, 1.0/fbHeight);
 
     glm::vec4 color(0.0f, 0.0f, 0.0f, 1.0f);
     glm::vec2 bottomLeft(-1.0f, -1.0f);
@@ -238,14 +277,13 @@ void AmbientOcclusion::run(const render::SceneContextPointer& sceneContext, cons
     // Blend step
     getBlendPipeline();
     batch.setResourceTexture(0, _hBlurTexture);
-    batch.setFramebuffer(DependencyManager::get<FramebufferCache>()->getPrimaryFramebuffer());
+    batch.setFramebuffer(framebufferCache->getPrimaryFramebuffer());
 
     // Bind the fourth gpu::Pipeline we need - for blending the primary color buffer with blurred occlusion texture
     batch.setPipeline(getBlendPipeline());
 
     DependencyManager::get<GeometryCache>()->renderQuad(batch, bottomLeft, topRight, texCoordTopLeft, texCoordBottomRight, color);
-    
+
     // Ready to render
-    args->_context->syncCache();
     args->_context->render((batch));
 }

libraries/render-utils/src/AmbientOcclusionEffect.h

@@ -36,8 +36,15 @@ private:
     gpu::int32 _gBiasLoc;
     gpu::int32 _gSampleRadiusLoc;
     gpu::int32 _gIntensityLoc;
-    gpu::int32 _bufferWidthLoc;
-    gpu::int32 _bufferHeightLoc;
+
+    gpu::int32 _nearLoc;
+    gpu::int32 _depthScaleLoc;
+    gpu::int32 _depthTexCoordOffsetLoc;
+    gpu::int32 _depthTexCoordScaleLoc;
+    gpu::int32 _renderTargetResLoc;
+    gpu::int32 _renderTargetResInvLoc;
+
+
     float g_scale;
     float g_bias;
     float g_sample_rad;

libraries/render-utils/src/DeferredLightingEffect.cpp

@@ -225,6 +225,7 @@ void DeferredLightingEffect::addSpotLight(const glm::vec3& position, float radiu
 
 void DeferredLightingEffect::prepare(RenderArgs* args) {
     gpu::Batch batch;
+    batch.enableStereo(false);
 
     batch.setStateScissorRect(args->_viewport);
 
@@ -244,6 +245,9 @@ gpu::FramebufferPointer _copyFBO;
 void DeferredLightingEffect::render(RenderArgs* args) {
     gpu::Batch batch;
 
+    // Framebuffer copy operations cannot function as multipass stereo operations.  
+    batch.enableStereo(false);
+
     // perform deferred lighting, rendering to free fbo
     auto framebufferCache = DependencyManager::get<FramebufferCache>();
     
@@ -555,6 +559,7 @@ void DeferredLightingEffect::render(RenderArgs* args) {
 
 void DeferredLightingEffect::copyBack(RenderArgs* args) {
     gpu::Batch batch;
+    batch.enableStereo(false);
     auto framebufferCache = DependencyManager::get<FramebufferCache>();
     QSize framebufferSize = framebufferCache->getFrameBufferSize();
 

libraries/render-utils/src/Environment.cpp

@@ -92,17 +92,17 @@ void Environment::resetToDefault() {
     _data[QUuid()][0];
 }
 
-void Environment::renderAtmospheres(gpu::Batch& batch, ViewFrustum& camera) {
+void Environment::renderAtmospheres(gpu::Batch& batch, ViewFrustum& viewFrustum) {
     // get the lock for the duration of the call
     QMutexLocker locker(&_mutex);
 
     if (_environmentIsOverridden) {
-        renderAtmosphere(batch, camera, _overrideData);
+        renderAtmosphere(batch, viewFrustum, _overrideData);
     } else {
         foreach (const ServerData& serverData, _data) {
             // TODO: do something about EnvironmentData
             foreach (const EnvironmentData& environmentData, serverData) {
-                renderAtmosphere(batch, camera, environmentData);
+                renderAtmosphere(batch, viewFrustum, environmentData);
             }
         }
     }
@@ -196,15 +196,25 @@ bool Environment::findCapsulePenetration(const glm::vec3& start, const glm::vec3
     return found;
 }
 
-void Environment::renderAtmosphere(gpu::Batch& batch, ViewFrustum& camera, const EnvironmentData& data) {
+void Environment::renderAtmosphere(gpu::Batch& batch, ViewFrustum& viewFrustum, const EnvironmentData& data) {
 
     glm::vec3 center = data.getAtmosphereCenter();
     
+    // transform the model transform to the center of our atmosphere
     Transform transform;
     transform.setTranslation(center);
     batch.setModelTransform(transform);
-    
-    glm::vec3 relativeCameraPos = camera.getPosition() - center;
+
+    // Make sure our view and projection transforms are correct for our viewFrustum
+    Transform viewTransform;
+    viewFrustum.evalViewTransform(viewTransform);
+    batch.setViewTransform(viewTransform);
+
+    glm::mat4 projMat;
+    viewFrustum.evalProjectionMatrix(projMat);
+    batch.setProjectionTransform(projMat);
+
+    glm::vec3 relativeCameraPos = viewFrustum.getPosition() - center;
     float height = glm::length(relativeCameraPos);
 
     // use the appropriate shader depending on whether we're inside or outside
@@ -212,11 +222,11 @@ void Environment::renderAtmosphere(gpu::Batch& batch, ViewFrustum& camera, const
     if (height < data.getAtmosphereOuterRadius()) {
         batch.setPipeline(_skyFromAtmosphereProgram);
         locations = _skyFromAtmosphereUniformLocations;
-        
     } else {
         batch.setPipeline(_skyFromSpaceProgram);
         locations = _skyFromSpaceUniformLocations;
     }
+
     
     // the constants here are from Sean O'Neil's GPU Gems entry
     // (http://http.developer.nvidia.com/GPUGems2/gpugems2_chapter16.html), GameEngine.cpp

libraries/render-utils/src/Environment.h

@@ -29,7 +29,7 @@ public:
 
     void init();
     void resetToDefault();
-    void renderAtmospheres(gpu::Batch& batch, ViewFrustum& camera);
+    void renderAtmospheres(gpu::Batch& batch, ViewFrustum& viewFrustum);
 
     void override(const EnvironmentData& overrideData) { _overrideData = overrideData; _environmentIsOverridden = true; }
     void endOverride() { _environmentIsOverridden = false; }
@@ -41,7 +41,7 @@ private:
     bool findCapsulePenetration(const glm::vec3& start,
             const glm::vec3& end, float radius, glm::vec3& penetration); // NOTE: Deprecated
 
-    void renderAtmosphere(gpu::Batch& batch, ViewFrustum& camera, const EnvironmentData& data);
+    void renderAtmosphere(gpu::Batch& batch, ViewFrustum& viewFrustum, const EnvironmentData& data);
 
     bool _initialized;
 

libraries/render-utils/src/GeometryCache.cpp

@@ -1723,7 +1723,7 @@ void GeometryReader::run() {
 NetworkGeometry::NetworkGeometry(const QUrl& url, bool delayLoad, const QVariantHash& mapping, const QUrl& textureBaseUrl) :
     _url(url),
     _mapping(mapping),
-    _textureBaseUrl(textureBaseUrl) {
+    _textureBaseUrl(textureBaseUrl.isValid() ? textureBaseUrl : url) {
 
     if (delayLoad) {
         _state = DelayState;

libraries/render-utils/src/RenderDeferredTask.cpp

@@ -35,6 +35,7 @@ void SetupDeferred::run(const SceneContextPointer& sceneContext, const RenderCon
     auto primaryFbo = DependencyManager::get<FramebufferCache>()->getPrimaryFramebufferDepthColor();
 
     gpu::Batch batch;
+    batch.enableStereo(false);
     batch.setFramebuffer(nullptr);
     batch.setFramebuffer(primaryFbo);
  
@@ -159,6 +160,8 @@ void DrawOpaqueDeferred::run(const SceneContextPointer& sceneContext, const Rend
 
     RenderArgs* args = renderContext->args;
     gpu::Batch batch;
+    batch.setViewportTransform(args->_viewport);
+    batch.setStateScissorRect(args->_viewport);
     args->_batch = &batch;
 
     renderContext->_numDrawnOpaqueItems = inItems.size();
@@ -188,6 +191,8 @@ void DrawTransparentDeferred::run(const SceneContextPointer& sceneContext, const
 
     RenderArgs* args = renderContext->args;
     gpu::Batch batch;
+    batch.setViewportTransform(args->_viewport);
+    batch.setStateScissorRect(args->_viewport);
     args->_batch = &batch;
     
     renderContext->_numDrawnTransparentItems = inItems.size();
@@ -247,30 +252,42 @@ void DrawOverlay3D::run(const SceneContextPointer& sceneContext, const RenderCon
     renderContext->_numFeedOverlay3DItems = inItems.size();
     renderContext->_numDrawnOverlay3DItems = inItems.size();
 
-    RenderArgs* args = renderContext->args;
-    gpu::Batch batch;
-    args->_batch = &batch;
-    args->_whiteTexture = DependencyManager::get<TextureCache>()->getWhiteTexture();
-
-    glm::mat4 projMat;
-    Transform viewMat;
-    args->_viewFrustum->evalProjectionMatrix(projMat);
-    args->_viewFrustum->evalViewTransform(viewMat);
-
-    batch.setProjectionTransform(projMat);
-    batch.setViewTransform(viewMat);
-    batch.setViewportTransform(args->_viewport);
-    batch.setStateScissorRect(args->_viewport);
-
-    batch.setPipeline(getOpaquePipeline());
-    batch.setResourceTexture(0, args->_whiteTexture);
-
     if (!inItems.empty()) {
-        batch.clearFramebuffer(gpu::Framebuffer::BUFFER_DEPTH, glm::vec4(), 1.f, 0, true);
-        renderItems(sceneContext, renderContext, inItems, renderContext->_maxDrawnOverlay3DItems);
-    }
+        RenderArgs* args = renderContext->args;
 
-    args->_context->render((*args->_batch));
-    args->_batch = nullptr;
-    args->_whiteTexture.reset();
+        // Clear the framebuffer without stereo
+        // Needs to be distinct from the other batch because using the clear call 
+        // while stereo is enabled triggers a warning
+        {
+            gpu::Batch batch;
+            batch.enableStereo(false);
+            batch.clearFramebuffer(gpu::Framebuffer::BUFFER_DEPTH, glm::vec4(), 1.f, 0, true);
+            args->_context->render(batch);
+        }
+
+        // Render the items
+        {
+            gpu::Batch batch;
+            args->_batch = &batch;
+            args->_whiteTexture = DependencyManager::get<TextureCache>()->getWhiteTexture();
+
+            glm::mat4 projMat;
+            Transform viewMat;
+            args->_viewFrustum->evalProjectionMatrix(projMat);
+            args->_viewFrustum->evalViewTransform(viewMat);
+
+            batch.setProjectionTransform(projMat);
+            batch.setViewTransform(viewMat);
+            batch.setViewportTransform(args->_viewport);
+            batch.setStateScissorRect(args->_viewport);
+
+            batch.setPipeline(getOpaquePipeline());
+            batch.setResourceTexture(0, args->_whiteTexture);
+            renderItems(sceneContext, renderContext, inItems, renderContext->_maxDrawnOverlay3DItems);
+
+            args->_context->render((*args->_batch));
+            args->_batch = nullptr;
+            args->_whiteTexture.reset();
+        }
+    }
 }

libraries/render-utils/src/ambient_occlusion.slf

@@ -30,25 +30,40 @@ uniform float g_scale;
 uniform float g_bias;
 uniform float g_sample_rad;
 uniform float g_intensity;
-uniform float bufferWidth;
-uniform float bufferHeight;
+
+// the distance to the near clip plane
+uniform float near;
+
+// scale factor for depth: (far - near) / far
+uniform float depthScale;
+
+// offset for depth texture coordinates
+uniform vec2 depthTexCoordOffset;
+
+// scale for depth texture coordinates
+uniform vec2 depthTexCoordScale;
+
+// the resolution of the occlusion buffer
+// and its inverse
+uniform vec2 renderTargetRes;
+uniform vec2 renderTargetResInv;
+
+
 
 const float PI = 3.14159265;
 
-const vec2 FocalLen = vec2(1.0, 1.0);
-
-const vec2 LinMAD = vec2(0.1-10.0, 0.1+10.0) / (2.0*0.1*10.0);
-
-const vec2 AORes = vec2(1024.0, 768.0);
-const vec2 InvAORes = vec2(1.0/1024.0, 1.0/768.0);
-const vec2 NoiseScale = vec2(1024.0, 768.0) / 4.0;
-
 const float AOStrength = 1.9;
-const float R = 0.3;
-const float R2 = 0.3*0.3;
-const float NegInvR2 = - 1.0 / (0.3*0.3);
+
+
+// TODO: R (radius) should be exposed as a uniform parameter
+const float R = 0.01;
+const float R2 = 0.01*0.01;
+const float NegInvR2 = - 1.0 / (0.01*0.01);
+
+
+
 // can't use tan to initialize a const value
-const float TanBias = 0.57735027; // tan(30.0 * PI / 180.0); 
+const float TanBias = 0.57735027; // tan(30.0 * PI / 180.0);
 const float MaxRadiusPixels = 50.0;
 
 const int NumDirections = 6;
@@ -56,113 +71,126 @@ const int NumSamples = 4;
 
 out vec4 outFragColor;
 
+/**
+ * Gets the normal in view space from a normal texture.
+ * uv: the uv texture coordinates to look up in the texture at.
+ */
+vec3 GetViewNormalFromTexture(vec2 uv) {
+    // convert [0,1] -> [-1,1], note: since we're normalizing
+    // we don't need to do v*2 - 1.0, we can just do a v-0.5
+    return normalize(texture(normalTexture, uv).xyz - 0.5);
+}
+
+/**
+ * Gets the linearized depth in view space.
+ * d: the depth value [0-1], usually from a depth texture to convert.
+ */
 float ViewSpaceZFromDepth(float d){
-	// [0,1] -> [-1,1] clip space
-	d = d * 2.0 - 1.0;
-
-	// Get view space Z
-	return -1.0 / (LinMAD.x * d + LinMAD.y);
+    return near / (d * depthScale - 1.0);
 }
 
+/**
+ * Converts a uv coordinate and depth value into a 3D view space coordinate.
+ * uv: the uv coordinates to convert
+ * z: the view space depth of the uv coordinate.
+ */
 vec3 UVToViewSpace(vec2 uv, float z){
-	//uv = UVToViewA * uv + UVToViewB;
-	return vec3(uv * z, z);
+    return vec3((depthTexCoordOffset + varTexcoord * depthTexCoordScale) * z, z);
 }
 
-vec3 GetViewPos(vec2 uv){
-	float z = ViewSpaceZFromDepth(texture(depthTexture, uv).r);
-	return UVToViewSpace(uv, z);
+/**
+ * Converts a uv coordinate into a 3D view space coordinate.
+ * The depth of the uv coord is determined from the depth texture.
+ * uv: the uv coordinates to convert
+ */
+vec3 GetViewPos(vec2 uv) {
+    float z = ViewSpaceZFromDepth(texture(depthTexture, uv).r);
+    return UVToViewSpace(uv, z);
 }
 
-vec3 GetViewPosPoint(ivec2 uv){
-	vec2 coord = vec2(gl_FragCoord.xy) + uv;
-	//float z = texelFetch(texture0, coord, 0).r;
-    float z = texture(depthTexture, uv).r;
-	return UVToViewSpace(uv, z);
+
+float TanToSin(float x) {
+    return x * inversesqrt(x*x + 1.0);
 }
 
-float TanToSin(float x){
-	return x * inversesqrt(x*x + 1.0);
+float InvLength(vec2 V) {
+    return inversesqrt(dot(V, V));
 }
 
-float InvLength(vec2 V){
-	return inversesqrt(dot(V,V));
+float Tangent(vec3 V) {
+    return V.z * InvLength(V.xy);
 }
 
-float Tangent(vec3 V){
-	return V.z * InvLength(V.xy);
+float BiasedTangent(vec3 V) {
+    return V.z * InvLength(V.xy) + TanBias;
 }
 
-float BiasedTangent(vec3 V){
-	return V.z * InvLength(V.xy) + TanBias;
-}
-
-float Tangent(vec3 P, vec3 S){
+float Tangent(vec3 P, vec3 S) {
     return -(P.z - S.z) * InvLength(S.xy - P.xy);
 }
 
-float Length2(vec3 V){
-	return dot(V,V);
+float Length2(vec3 V) {
+    return dot(V, V);
 }
 
-vec3 MinDiff(vec3 P, vec3 Pr, vec3 Pl){
+vec3 MinDiff(vec3 P, vec3 Pr, vec3 Pl) {
     vec3 V1 = Pr - P;
     vec3 V2 = P - Pl;
     return (Length2(V1) < Length2(V2)) ? V1 : V2;
 }
 
-vec2 SnapUVOffset(vec2 uv){
-    return round(uv * AORes) * InvAORes;
+vec2 SnapUVOffset(vec2 uv) {
+    return round(uv * renderTargetRes) * renderTargetResInv;
 }
 
-float Falloff(float d2){
-	return d2 * NegInvR2 + 1.0f;
+float Falloff(float d2) {
+    return d2 * NegInvR2 + 1.0f;
 }
 
-float HorizonOcclusion(	vec2 deltaUV, vec3 P, vec3 dPdu, vec3 dPdv, float randstep, float numSamples){
-	float ao = 0;
+float HorizonOcclusion(vec2 deltaUV, vec3 P, vec3 dPdu, vec3 dPdv, float randstep, float numSamples) {
+    float ao = 0;
 
-	// Offset the first coord with some noise
-	vec2 uv = varTexcoord + SnapUVOffset(randstep*deltaUV);
-	deltaUV = SnapUVOffset( deltaUV );
+    // Offset the first coord with some noise
+    vec2 uv = varTexcoord + SnapUVOffset(randstep*deltaUV);
+    deltaUV = SnapUVOffset(deltaUV);
 
-	// Calculate the tangent vector
-	vec3 T = deltaUV.x * dPdu + deltaUV.y * dPdv;
+    // Calculate the tangent vector
+    vec3 T = deltaUV.x * dPdu + deltaUV.y * dPdv;
 
-	// Get the angle of the tangent vector from the viewspace axis
-	float tanH = BiasedTangent(T);
-	float sinH = TanToSin(tanH);
+    // Get the angle of the tangent vector from the viewspace axis
+    float tanH = BiasedTangent(T);
+    float sinH = TanToSin(tanH);
 
-	float tanS;
-	float d2;
-	vec3 S;
+    float tanS;
+    float d2;
+    vec3 S;
 
-	// Sample to find the maximum angle
-	for(float s = 1; s <= numSamples; ++s){
-		uv += deltaUV;
-		S = GetViewPos(uv);
-		tanS = Tangent(P, S);
-		d2 = Length2(S - P);
+    // Sample to find the maximum angle
+    for (float s = 1; s <= numSamples; ++s) {
+        uv += deltaUV;
+        S = GetViewPos(uv);
+        tanS = Tangent(P, S);
+        d2 = Length2(S - P);
 
-		// Is the sample within the radius and the angle greater?
-		if(d2 < R2 && tanS > tanH)
-		{
-			float sinS = TanToSin(tanS);
-			// Apply falloff based on the distance
-			ao += Falloff(d2) * (sinS - sinH);
+        // Is the sample within the radius and the angle greater?
+        if (d2 < R2 && tanS > tanH) {
+            float sinS = TanToSin(tanS);
+            // Apply falloff based on the distance
+            ao += Falloff(d2) * (sinS - sinH);
 
-			tanH = tanS;
-			sinH = sinS;
-		}
-	}
-	return ao;
+            tanH = tanS;
+            sinH = sinS;
+        }
+    }
+    return ao;
 }
 
-vec2 RotateDirections(vec2 Dir, vec2 CosSin){
-    return vec2(Dir.x*CosSin.x - Dir.y*CosSin.y, Dir.x*CosSin.y + Dir.y*CosSin.x);
+vec2 RotateDirections(vec2 Dir, vec2 CosSin) {
+    return vec2(Dir.x*CosSin.x - Dir.y*CosSin.y,
+                Dir.x*CosSin.y + Dir.y*CosSin.x);
 }
 
-void ComputeSteps(inout vec2 stepSizeUv, inout float numSteps, float rayRadiusPix, float rand){
+void ComputeSteps(inout vec2 stepSizeUv, inout float numSteps, float rayRadiusPix, float rand) {
     // Avoid oversampling if numSteps is greater than the kernel radius in pixels
     numSteps = min(NumSamples, rayRadiusPix);
 
@@ -171,8 +199,7 @@ void ComputeSteps(inout vec2 stepSizeUv, inout float numSteps, float rayRadiusPi
 
     // Clamp numSteps if it is greater than the max kernel footprint
     float maxNumSteps = MaxRadiusPixels / stepSizePix;
-    if (maxNumSteps < numSteps)
-    {
+    if (maxNumSteps < numSteps) {
         // Use dithering to avoid AO discontinuities
         numSteps = floor(maxNumSteps + rand);
         numSteps = max(numSteps, 1);
@@ -180,69 +207,73 @@ void ComputeSteps(inout vec2 stepSizeUv, inout float numSteps, float rayRadiusPi
     }
 
     // Step size in uv space
-    stepSizeUv = stepSizePix * InvAORes;
+    stepSizeUv = stepSizePix * renderTargetResInv;
 }
 
-float getRandom(vec2 uv){
+float getRandom(vec2 uv) {
     return fract(sin(dot(uv.xy ,vec2(12.9898,78.233))) * 43758.5453);
 }
 
-void main(void){
-	float numDirections = NumDirections;
+void main(void) {
+    mat4 projMatrix = getTransformCamera()._projection;
 
-	vec3 P, Pr, Pl, Pt, Pb;
-	P = GetViewPos(varTexcoord);
+    float numDirections = NumDirections;
 
-	// Sample neighboring pixels
-    Pr = GetViewPos(varTexcoord + vec2( InvAORes.x, 0));
-    Pl = GetViewPos(varTexcoord + vec2(-InvAORes.x, 0));
-    Pt = GetViewPos(varTexcoord + vec2( 0, InvAORes.y));
-    Pb = GetViewPos(varTexcoord + vec2( 0,-InvAORes.y));
+    vec3 P, Pr, Pl, Pt, Pb;
+    P = GetViewPos(varTexcoord);
+
+    // Sample neighboring pixels
+    Pr = GetViewPos(varTexcoord + vec2( renderTargetResInv.x, 0));
+    Pl = GetViewPos(varTexcoord + vec2(-renderTargetResInv.x, 0));
+    Pt = GetViewPos(varTexcoord + vec2( 0, renderTargetResInv.y));
+    Pb = GetViewPos(varTexcoord + vec2( 0,-renderTargetResInv.y));
 
     // Calculate tangent basis vectors using the minimum difference
     vec3 dPdu = MinDiff(P, Pr, Pl);
-    vec3 dPdv = MinDiff(P, Pt, Pb) * (AORes.y * InvAORes.x);
+    vec3 dPdv = MinDiff(P, Pt, Pb) * (renderTargetRes.y * renderTargetResInv.x);
 
     // Get the random samples from the noise function
-	vec3 random = vec3(getRandom(varTexcoord.xy), getRandom(varTexcoord.yx), getRandom(varTexcoord.xx));
+    vec3 random = vec3(getRandom(varTexcoord.xy), getRandom(varTexcoord.yx), getRandom(varTexcoord.xx));
 
-	// Calculate the projected size of the hemisphere
-    vec2 rayRadiusUV = 0.5 * R * FocalLen / -P.z;
-    float rayRadiusPix = rayRadiusUV.x * AORes.x;
+    // Calculate the projected size of the hemisphere
+    float w = P.z * projMatrix[2][3] + projMatrix[3][3];
+    vec2 rayRadiusUV = (0.5 * R * vec2(projMatrix[0][0], projMatrix[1][1]) / w);  // [-1,1] -> [0,1] uv
+    float rayRadiusPix = rayRadiusUV.x * renderTargetRes.x;
 
     float ao = 1.0;
 
     // Make sure the radius of the evaluated hemisphere is more than a pixel
-    if(rayRadiusPix > 1.0){
-    	ao = 0.0;
-    	float numSteps;
-    	vec2 stepSizeUV;
+    if(rayRadiusPix > 1.0) {
+        ao = 0.0;
+        float numSteps;
+        vec2 stepSizeUV;
 
-    	// Compute the number of steps
-    	ComputeSteps(stepSizeUV, numSteps, rayRadiusPix, random.z);
+        // Compute the number of steps
+        ComputeSteps(stepSizeUV, numSteps, rayRadiusPix, random.z);
 
-		float alpha = 2.0 * PI / numDirections;
+        float alpha = 2.0 * PI / numDirections;
 
-		// Calculate the horizon occlusion of each direction
-		for(float d = 0; d < numDirections; ++d){
-			float theta = alpha * d;
+        // Calculate the horizon occlusion of each direction
+        for(float d = 0; d < numDirections; ++d) {
+            float theta = alpha * d;
 
-			// Apply noise to the direction
-			vec2 dir = RotateDirections(vec2(cos(theta), sin(theta)), random.xy);
-			vec2 deltaUV = dir * stepSizeUV;
+            // Apply noise to the direction
+            vec2 dir = RotateDirections(vec2(cos(theta), sin(theta)), random.xy);
+            vec2 deltaUV = dir * stepSizeUV;
 
-			// Sample the pixels along the direction
-			ao += HorizonOcclusion(	deltaUV,
-									P,
-									dPdu,
-									dPdv,
-									random.z,
-									numSteps);
-		}
+            // Sample the pixels along the direction
+            ao += HorizonOcclusion(	deltaUV,
+                                    P,
+                                    dPdu,
+                                    dPdv,
+                                    random.z,
+                                    numSteps);
+        }
+
+        // Average the results and produce the final AO
+        ao = 1.0 - ao / numDirections * AOStrength;
+    }
 
-		// Average the results and produce the final AO
-		ao = 1.0 - ao / numDirections * AOStrength;
-	}
 
     outFragColor = vec4(vec3(ao), 1.0);
-}
+}

libraries/render/src/render/DrawStatus.cpp

@@ -161,8 +161,5 @@ void DrawStatus::run(const SceneContextPointer& sceneContext, const RenderContex
         batch.draw(gpu::TRIANGLES, 24, 0);
     }
 
-    // Before rendering the batch make sure we re in sync with gl state
-    args->_context->syncCache();
-    renderContext->args->_context->syncCache();
-    args->_context->render((batch));
+    args->_context->render(batch);
 }

libraries/render/src/render/DrawTask.cpp

@@ -258,6 +258,9 @@ void DrawBackground::run(const SceneContextPointer& sceneContext, const RenderCo
     }
     RenderArgs* args = renderContext->args;
     gpu::Batch batch;
+    batch.enableSkybox(true);
+    batch.setViewportTransform(args->_viewport);
+    batch.setStateScissorRect(args->_viewport);
     args->_batch = &batch;
 
     glm::mat4 projMat;
@@ -271,9 +274,6 @@ void DrawBackground::run(const SceneContextPointer& sceneContext, const RenderCo
     renderItems(sceneContext, renderContext, inItems);
     args->_context->render((*args->_batch));
     args->_batch = nullptr;
-
-    // Force the context sync
-    args->_context->syncCache();
 }
 
 void ItemMaterialBucketMap::insert(const ItemID& id, const model::MaterialKey& key) {

libraries/script-engine/CMakeLists.txt

@@ -3,7 +3,7 @@ set(TARGET_NAME script-engine)
 setup_memory_debugger()
 
 # use setup_hifi_library macro to setup our project and link appropriate Qt modules
-setup_hifi_library(Gui Network Script Widgets)
+setup_hifi_library(Gui Network Script WebSockets Widgets)
 
 add_dependency_external_projects(glm)
 find_package(GLM REQUIRED)

libraries/script-engine/src/ScriptEngine.cpp

@@ -38,6 +38,7 @@
 #include "ScriptEngine.h"
 #include "TypedArrays.h"
 #include "XMLHttpRequestClass.h"
+#include "WebSocketClass.h"
 
 #include "SceneScriptingInterface.h"
 
@@ -343,6 +344,9 @@ void ScriptEngine::init() {
     QScriptValue xmlHttpRequestConstructorValue = newFunction(XMLHttpRequestClass::constructor);
     globalObject().setProperty("XMLHttpRequest", xmlHttpRequestConstructorValue);
 
+    QScriptValue webSocketConstructorValue = newFunction(WebSocketClass::constructor);
+    globalObject().setProperty("WebSocket", webSocketConstructorValue);
+
     QScriptValue printConstructorValue = newFunction(debugPrint);
     globalObject().setProperty("print", printConstructorValue);
 
@@ -353,6 +357,9 @@ void ScriptEngine::init() {
     qScriptRegisterMetaType(this, inputControllerToScriptValue, inputControllerFromScriptValue);
     qScriptRegisterMetaType(this, avatarDataToScriptValue, avatarDataFromScriptValue);
     qScriptRegisterMetaType(this, animationDetailsToScriptValue, animationDetailsFromScriptValue);
+    qScriptRegisterMetaType(this, webSocketToScriptValue, webSocketFromScriptValue);
+    qScriptRegisterMetaType(this, qWSCloseCodeToScriptValue, qWSCloseCodeFromScriptValue);
+    qScriptRegisterMetaType(this, wscReadyStateToScriptValue, wscReadyStateFromScriptValue);
 
     registerGlobalObject("Script", this);
     registerGlobalObject("Audio", &AudioScriptingInterface::getInstance());

libraries/script-engine/src/WebSocketClass.cpp

@@ -0,0 +1,127 @@
+//
+//  WebSocketClass.cpp
+//  libraries/script-engine/src/
+//
+//  Created by Thijs Wenker on 8/4/15.
+//  Copyright (c) 2015 High Fidelity, Inc. All rights reserved.
+//
+//  This class is an implementation of the WebSocket object for scripting use.  It provides a near-complete implementation
+//  of the class described in the Mozilla docs: https://developer.mozilla.org/en-US/docs/Web/API/WebSocket
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include "ScriptEngine.h"
+#include "WebSocketClass.h"
+
+WebSocketClass::WebSocketClass(QScriptEngine* engine, QString url) :
+    _engine(engine),
+    _webSocket(new QWebSocket())
+{
+    initialize();
+    _webSocket->open(url);
+}
+
+WebSocketClass::WebSocketClass(QScriptEngine* engine, QWebSocket* qWebSocket) :
+    _engine(engine),
+    _webSocket(qWebSocket)
+{
+    initialize();
+}
+
+void WebSocketClass::initialize() {
+    connect(_webSocket, &QWebSocket::disconnected, this, &WebSocketClass::handleOnClose);
+    connect(_webSocket, &QWebSocket::textMessageReceived, this, &WebSocketClass::handleOnMessage);
+    connect(_webSocket, &QWebSocket::connected, this, &WebSocketClass::handleOnOpen);
+    connect(_webSocket, static_cast<void(QWebSocket::*)(QAbstractSocket::SocketError)>(&QWebSocket::error), this,
+        &WebSocketClass::handleOnError);
+    _binaryType = QStringLiteral("blob");
+}
+
+QScriptValue WebSocketClass::constructor(QScriptContext* context, QScriptEngine* engine) {
+    QString url;
+    if (context->argumentCount() > 0) {
+        url = context->argument(0).toString();
+    }
+    return engine->newQObject(new WebSocketClass(engine, url), QScriptEngine::ScriptOwnership);
+}
+
+WebSocketClass::~WebSocketClass() {
+    _webSocket->deleteLater();
+}
+
+void WebSocketClass::send(QScriptValue message) {
+    _webSocket->sendTextMessage(message.toString());
+}
+
+void WebSocketClass::close() {
+    this->close(QWebSocketProtocol::CloseCodeNormal);
+}
+
+void WebSocketClass::close(QWebSocketProtocol::CloseCode closeCode) {
+    this->close(closeCode, QStringLiteral(""));
+}
+
+void WebSocketClass::close(QWebSocketProtocol::CloseCode closeCode, QString reason) {
+    _webSocket->close(closeCode, reason);
+}
+
+void WebSocketClass::handleOnClose() {
+    bool hasError = (_webSocket->error() != QAbstractSocket::UnknownSocketError);
+    if (_onCloseEvent.isFunction()) {
+        QScriptValueList args;
+        QScriptValue arg = _engine->newObject();
+        arg.setProperty("code", hasError ? QWebSocketProtocol::CloseCodeAbnormalDisconnection : _webSocket->closeCode());
+        arg.setProperty("reason", _webSocket->closeReason());
+        arg.setProperty("wasClean", !hasError);
+        args << arg;
+        _onCloseEvent.call(QScriptValue(), args);
+    }
+}
+
+void WebSocketClass::handleOnError(QAbstractSocket::SocketError error) {
+    if (_onErrorEvent.isFunction()) {
+        _onErrorEvent.call();
+    }
+}
+
+void WebSocketClass::handleOnMessage(const QString& message) {
+    if (_onMessageEvent.isFunction()) {
+        QScriptValueList args;
+        QScriptValue arg = _engine->newObject();
+        arg.setProperty("data", message);
+        args << arg;
+        _onMessageEvent.call(QScriptValue(), args);
+    }
+}
+
+void WebSocketClass::handleOnOpen() {
+    if (_onOpenEvent.isFunction()) {
+        _onOpenEvent.call();
+    }
+}
+
+QScriptValue qWSCloseCodeToScriptValue(QScriptEngine* engine, const QWebSocketProtocol::CloseCode &closeCode) {
+    return closeCode;
+}
+
+void qWSCloseCodeFromScriptValue(const QScriptValue &object, QWebSocketProtocol::CloseCode &closeCode) {
+    closeCode = (QWebSocketProtocol::CloseCode)object.toUInt16();
+}
+
+QScriptValue webSocketToScriptValue(QScriptEngine* engine, WebSocketClass* const &in) {
+    return engine->newQObject(in, QScriptEngine::ScriptOwnership);
+}
+
+void webSocketFromScriptValue(const QScriptValue &object, WebSocketClass* &out) {
+    out = qobject_cast<WebSocketClass*>(object.toQObject());
+}
+
+QScriptValue wscReadyStateToScriptValue(QScriptEngine* engine, const WebSocketClass::ReadyState& readyState) {
+    return readyState;
+}
+
+void wscReadyStateFromScriptValue(const QScriptValue& object, WebSocketClass::ReadyState& readyState) {
+    readyState = (WebSocketClass::ReadyState)object.toUInt16();
+}

libraries/script-engine/src/WebSocketClass.h

@@ -0,0 +1,140 @@
+//
+//  WebSocketClass.h
+//  libraries/script-engine/src/
+//
+//  Created by Thijs Wenker on 8/4/15.
+//  Copyright (c) 2015 High Fidelity, Inc. All rights reserved.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_WebSocketClass_h
+#define hifi_WebSocketClass_h
+
+#include <QObject>
+#include <QScriptEngine>
+#include <QWebSocket>
+
+class WebSocketClass : public QObject {
+    Q_OBJECT
+        Q_PROPERTY(QString binaryType READ getBinaryType WRITE setBinaryType)
+        Q_PROPERTY(ulong bufferedAmount READ getBufferedAmount)
+        Q_PROPERTY(QString extensions READ getExtensions)
+
+        Q_PROPERTY(QScriptValue onclose READ getOnClose WRITE setOnClose)
+        Q_PROPERTY(QScriptValue onerror READ getOnError WRITE setOnError)
+        Q_PROPERTY(QScriptValue onmessage READ getOnMessage WRITE setOnMessage)
+        Q_PROPERTY(QScriptValue onopen READ getOnOpen WRITE setOnOpen)
+
+        Q_PROPERTY(QString protocol READ getProtocol)
+        Q_PROPERTY(WebSocketClass::ReadyState readyState READ getReadyState)
+        Q_PROPERTY(QString url READ getURL)
+
+        Q_PROPERTY(WebSocketClass::ReadyState CONNECTING READ getConnecting CONSTANT)
+        Q_PROPERTY(WebSocketClass::ReadyState OPEN READ getOpen CONSTANT)
+        Q_PROPERTY(WebSocketClass::ReadyState CLOSING READ getClosing CONSTANT)
+        Q_PROPERTY(WebSocketClass::ReadyState CLOSED READ getClosed CONSTANT)
+
+public:
+    WebSocketClass(QScriptEngine* engine, QString url);
+    WebSocketClass(QScriptEngine* engine, QWebSocket* qWebSocket);
+    ~WebSocketClass();
+
+    static QScriptValue constructor(QScriptContext* context, QScriptEngine* engine);
+
+    enum ReadyState {
+        CONNECTING = 0,
+        OPEN,
+        CLOSING,
+        CLOSED
+    };
+
+    QWebSocket* getWebSocket() { return _webSocket; }
+
+    ReadyState getConnecting() const { return CONNECTING; };
+    ReadyState getOpen() const { return OPEN; };
+    ReadyState getClosing() const { return CLOSING; };
+    ReadyState getClosed() const { return CLOSED; };
+
+    void setBinaryType(QString binaryType) { _binaryType = binaryType; }
+    QString getBinaryType() { return _binaryType; }
+
+    // extensions is a empty string until supported in QT WebSockets
+    QString getExtensions() { return QString(); }
+
+    // protocol is a empty string until supported in QT WebSockets
+    QString getProtocol() { return QString(); }
+
+    ulong getBufferedAmount() { return 0; }
+
+    QString getURL() { return _webSocket->requestUrl().toDisplayString(); }
+
+    ReadyState getReadyState() {
+        switch (_webSocket->state()) {
+            case QAbstractSocket::SocketState::HostLookupState:
+            case QAbstractSocket::SocketState::ConnectingState:
+                return CONNECTING;
+            case QAbstractSocket::SocketState::ConnectedState:
+            case QAbstractSocket::SocketState::BoundState:
+            case QAbstractSocket::SocketState::ListeningState:
+                return OPEN;
+            case QAbstractSocket::SocketState::ClosingState:
+                return CLOSING;
+        }
+        return CLOSED;
+    }
+
+    void setOnClose(QScriptValue eventFunction) { _onCloseEvent = eventFunction; }
+    QScriptValue getOnClose() { return _onCloseEvent; }
+
+    void setOnError(QScriptValue eventFunction) { _onErrorEvent = eventFunction; }
+    QScriptValue getOnError() { return _onErrorEvent; }
+
+    void setOnMessage(QScriptValue eventFunction) { _onMessageEvent = eventFunction; }
+    QScriptValue getOnMessage() { return _onMessageEvent; }
+
+    void setOnOpen(QScriptValue eventFunction) { _onOpenEvent = eventFunction; }
+    QScriptValue getOnOpen() { return _onOpenEvent; }
+
+public slots:
+    void send(QScriptValue message);
+
+    void close();
+    void close(QWebSocketProtocol::CloseCode closeCode);
+    void close(QWebSocketProtocol::CloseCode closeCode, QString reason);
+
+private:
+    QWebSocket* _webSocket;
+    QScriptEngine* _engine;
+
+    QScriptValue _onCloseEvent;
+    QScriptValue _onErrorEvent;
+    QScriptValue _onMessageEvent;
+    QScriptValue _onOpenEvent;
+
+    QString _binaryType;
+
+    void initialize();
+
+private slots:
+    void handleOnClose();
+    void handleOnError(QAbstractSocket::SocketError error);
+    void handleOnMessage(const QString& message);
+    void handleOnOpen();
+
+};
+
+Q_DECLARE_METATYPE(QWebSocketProtocol::CloseCode);
+Q_DECLARE_METATYPE(WebSocketClass::ReadyState);
+
+QScriptValue qWSCloseCodeToScriptValue(QScriptEngine* engine, const QWebSocketProtocol::CloseCode& closeCode);
+void qWSCloseCodeFromScriptValue(const QScriptValue& object, QWebSocketProtocol::CloseCode& closeCode);
+
+QScriptValue webSocketToScriptValue(QScriptEngine* engine, WebSocketClass* const &in);
+void webSocketFromScriptValue(const QScriptValue &object, WebSocketClass* &out);
+
+QScriptValue wscReadyStateToScriptValue(QScriptEngine* engine, const WebSocketClass::ReadyState& readyState);
+void wscReadyStateFromScriptValue(const QScriptValue& object, WebSocketClass::ReadyState& readyState);
+
+#endif // hifi_WebSocketClass_h

libraries/script-engine/src/WebSocketServerClass.cpp

@@ -0,0 +1,69 @@
+//
+//  WebSocketServerClass.cpp
+//  libraries/script-engine/src/
+//
+//  Created by Thijs Wenker on 8/10/15.
+//  Copyright (c) 2015 High Fidelity, Inc. All rights reserved.
+//
+//  Making WebSocketServer accessible through scripting.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include "ScriptEngine.h"
+#include "WebSocketServerClass.h"
+
+WebSocketServerClass::WebSocketServerClass(QScriptEngine* engine, const QString& serverName, const quint16 port) :
+    _engine(engine),
+    _webSocketServer(serverName, QWebSocketServer::SslMode::NonSecureMode)
+{
+    if (_webSocketServer.listen(QHostAddress::Any, port)) {
+        connect(&_webSocketServer, &QWebSocketServer::newConnection, this, &WebSocketServerClass::onNewConnection);
+    }
+}
+
+QScriptValue WebSocketServerClass::constructor(QScriptContext* context, QScriptEngine* engine) {
+    // the serverName is used in handshakes
+    QString serverName = QStringLiteral("HighFidelity - Scripted WebSocket Listener");
+    // port 0 will auto-assign a free port
+    quint16 port = 0;
+    QScriptValue callee = context->callee();
+    if (context->argumentCount() > 0) {
+        QScriptValue options = context->argument(0);
+        QScriptValue portOption = options.property(QStringLiteral("port"));
+        if (portOption.isValid() && portOption.isNumber()) {
+            port = portOption.toNumber();
+        }
+        QScriptValue serverNameOption = options.property(QStringLiteral("serverName"));
+        if (serverNameOption.isValid() && serverNameOption.isString()) {
+            serverName = serverNameOption.toString();
+        }
+    }
+    return engine->newQObject(new WebSocketServerClass(engine, serverName, port), QScriptEngine::ScriptOwnership);
+}
+
+WebSocketServerClass::~WebSocketServerClass() {
+    if (_webSocketServer.isListening()) {
+        close();
+    }
+    _clients.empty();
+}
+
+void WebSocketServerClass::onNewConnection() {
+    WebSocketClass* newClient = new WebSocketClass(_engine, _webSocketServer.nextPendingConnection());
+    _clients << newClient;
+    connect(newClient->getWebSocket(), &QWebSocket::disconnected, [newClient, this]() {
+        _clients.removeOne(newClient);
+    });
+    emit newConnection(newClient);
+}
+
+void WebSocketServerClass::close() {
+    foreach(WebSocketClass* client, _clients) {
+        if (client->getReadyState() != WebSocketClass::ReadyState::CLOSED) {
+            client->close(QWebSocketProtocol::CloseCode::CloseCodeGoingAway, "Server closing.");
+        }
+    }
+    _webSocketServer.close();
+}

libraries/script-engine/src/WebSocketServerClass.h

@@ -0,0 +1,52 @@
+//
+//  WebSocketServerClass.h
+//  libraries/script-engine/src/
+//
+//  Created by Thijs Wenker on 8/10/15.
+//  Copyright (c) 2015 High Fidelity, Inc. All rights reserved.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_WebSocketServerClass_h
+#define hifi_WebSocketServerClass_h
+
+#include <QObject>
+#include <QScriptEngine>
+#include <QWebSocketServer>
+#include "WebSocketClass.h"
+
+class WebSocketServerClass : public QObject {
+    Q_OBJECT
+    Q_PROPERTY(QString url READ getURL)
+    Q_PROPERTY(quint16 port READ getPort)
+    Q_PROPERTY(bool listening READ isListening)
+
+public:
+    WebSocketServerClass(QScriptEngine* engine, const QString& serverName, const quint16 port);
+    ~WebSocketServerClass();
+
+    QString getURL() { return _webSocketServer.serverUrl().toDisplayString(); }
+    quint16 getPort() { return _webSocketServer.serverPort(); }
+    bool isListening() { return _webSocketServer.isListening(); }
+
+    static QScriptValue constructor(QScriptContext* context, QScriptEngine* engine);
+
+public slots:
+    void close();
+
+private:
+    QWebSocketServer _webSocketServer;
+    QScriptEngine* _engine;
+    QList<WebSocketClass*> _clients;
+
+private slots:
+    void onNewConnection();
+
+signals:
+    void newConnection(WebSocketClass* client);
+
+};
+
+#endif // hifi_WebSocketServerClass_h