// 初始化
private void InitEyeStereoScreens()
{
bool useDFT = NvrViewer.USE_DTR && !NvrGlobal.supportDtr;
if (!USE_DTR || useDFT)
{
// 编辑器模式 or 不支持DTR的DFT模式 只生成1个纹理
RenderTexture rendetTexture = device.CreateStereoScreen();
rendetTexture.Create();
int tid = (int)rendetTexture.GetNativeTexturePtr();
for (int i = 0; i < _texture_count; i++)
{
eyeStereoScreens[i] = rendetTexture;
_texture_ids[i] = tid;
}
}
else
{
for (int i = 0; i < _texture_count; i++)
{
eyeStereoScreens[i] = device.CreateStereoScreen();
eyeStereoScreens[i].Create();
_texture_ids[i] = (int)eyeStereoScreens[i].GetNativeTexturePtr();
}
}
}
/// @note Each scene load causes an OnDestroy of the current SDK, followed
/// by and Awake of a new one. That should not cause the underlying native
/// code to hiccup. Exception: developer may call Application.DontDestroyOnLoad
/// on the SDK if they want it to survive across scene loads.
void Awake()
{
SVR.AtwAPI.BeginTrace("gvrviewer-awake");
if (instance == null)
{
instance = this;
}
if (instance != this)
{
Debug.LogError("There must be only one GvrViewer object in a scene.");
UnityEngine.Object.DestroyImmediate(this);
return;
}
#if UNITY_IOS
Application.targetFrameRate = 60;
#endif
// Prevent the screen from dimming / sleeping
Screen.sleepTimeout = SleepTimeout.NeverSleep;
GvrViewerInternal.Instance.StereoScreenScale = StereoScreenScale;
// Set up stereo pre- and post-render stages only for:
// - Unity without the GVR native integration
// - In-editor emulator when the current platform is Android or iOS.
// Since GVR is the only valid VR SDK on Android or iOS, this prevents it from
// interfering with VR SDKs on other platforms.
#if !UNITY_HAS_GOOGLEVR || (UNITY_EDITOR && (UNITY_ANDROID || UNITY_IOS))
//AddPrePostRenderStages();
#endif // !UNITY_HAS_GOOGLEVR || UNITY_EDITOR
SVR.AtwAPI.BeginTrace("1");
InitDevice();
SVR.AtwAPI.EndTrace();
//if(stereoScreen == null)
SVR.AtwAPI.BeginTrace("2");
stereoScreen = device.CreateStereoScreen();
SVR.AtwAPI.EndTrace();
Svr.SvrLog.Log("GvrViewer Awake Resume");
SVR.AtwAPI.EndTrace();
Application.lowMemory += OnLowMemory;
}
/// Return a StereoScreen with sensible default values.
public RenderTexture CreateStereoScreen()
{
return(device.CreateStereoScreen());
}
