Move WaveVR render initialization to a separate method (#3695)

Fixes #3692

Author: MortimerGoro

app/src/wavevr/cpp/DeviceDelegateWaveVR.cpp

@@ -194,15 +194,22 @@ struct DeviceDelegateWaveVR::State {
     cameras[device::EyeIndex(device::Eye::Left)] = vrb::CameraEye::Create(create);
     cameras[device::EyeIndex(device::Eye::Right)] = vrb::CameraEye::Create(create);
     InitializeCameras();
+
+    elbow = ElbowModel::Create();
+  }
+
+  void InitializeRender() {
     WVR_GetRenderTargetSize(&renderWidth, &renderHeight);
     VRB_GL_CHECK(glViewport(0, 0, renderWidth, renderHeight));
     VRB_DEBUG("Recommended size is %ux%u", renderWidth, renderHeight);
     if (renderWidth == 0 || renderHeight == 0) {
       VRB_ERROR("Please check Wave server configuration");
       return;
     }
+    if (immersiveDisplay) {
+      immersiveDisplay->SetEyeResolution(renderWidth, renderHeight);
+    }
     InitializeTextureQueues();
-    elbow = ElbowModel::Create();
   }
 
   void InitializeTextureQueues() {
@@ -461,6 +468,10 @@ DeviceDelegateWaveVR::Create(vrb::RenderContextPtr& aContext) {
   return result;
 }
 
+void DeviceDelegateWaveVR::InitializeRender() {
+  m.InitializeRender();
+}
+
 device::DeviceType
 DeviceDelegateWaveVR::GetDeviceType() {
   return m.deviceType;

app/src/wavevr/cpp/DeviceDelegateWaveVR.h

@@ -14,6 +14,7 @@ typedef std::shared_ptr<DeviceDelegateWaveVR> DeviceDelegateWaveVRPtr;
 class DeviceDelegateWaveVR : public DeviceDelegate {
 public:
   static DeviceDelegateWaveVRPtr Create(vrb::RenderContextPtr& aContext);
+  void InitializeRender();
   // DeviceDelegate interface
   device::DeviceType GetDeviceType() override;
   void SetRenderMode(const device::RenderMode aMode) override;

app/src/wavevr/cpp/native-lib.cpp

@@ -45,18 +45,19 @@ JNI_METHOD(void, activityResumed)
 int main(int argc, char *argv[]) {
   sQueue->AttachToThread();
   VRB_LOG("Call WVR_Init");
-  sDevice = DeviceDelegateWaveVR::Create(BrowserWorld::Instance().GetRenderContext());
-  BrowserWorld::Instance().RegisterDeviceDelegate(sDevice);
-  while(!sJavaInitialized) {
-    sQueue->ProcessRunnables();
-  }
 
   WVR_InitError eError = WVR_Init(WVR_AppType_VRContent);
   if (eError != WVR_InitError_None) {
     VRB_LOG("Unable to init VR runtime: %s", WVR_GetInitErrorString(eError));
     return 1;
   }
 
+  sDevice = DeviceDelegateWaveVR::Create(BrowserWorld::Instance().GetRenderContext());
+  BrowserWorld::Instance().RegisterDeviceDelegate(sDevice);
+  while(!sJavaInitialized) {
+    sQueue->ProcessRunnables();
+  }
+
   WVR_InputAttribute inputIdAndTypes[] = {
       {WVR_InputId_Alias1_Menu, WVR_InputType_Button, WVR_AnalogType_None},
       {WVR_InputId_Alias1_Touchpad, WVR_InputType_Button | WVR_InputType_Touch | WVR_InputType_Analog, WVR_AnalogType_2D},
@@ -76,6 +77,7 @@ int main(int argc, char *argv[]) {
   if (pError != WVR_RenderError_None) {
     VRB_LOG("Present init failed - Error[%d]", pError);
   }
+  sDevice->InitializeRender();
   VRB_GL_CHECK(glEnable(GL_DEPTH_TEST));
   VRB_GL_CHECK(glEnable(GL_CULL_FACE));
   VRB_GL_CHECK(glEnable(GL_BLEND));