private void _UpdateTextureIfNeeded()
{
// If running in editor, updates background texture from Instant Preview only.
Texture2D previewBackgroundTexture = BackgroundTexture;
if (InstantPreviewManager.UpdateBackgroundTextureIfNeeded(ref previewBackgroundTexture))
{
BackgroundTexture = previewBackgroundTexture;
return;
}
IntPtr frameHandle = IntPtr.Zero;
ExternApi.ArPresto_getFrame(ref frameHandle);
if (frameHandle == IntPtr.Zero)
{
// This prevents using a texture that has not been filled out by ARCore.
return;
}
int backgroundTextureId = NativeSession.FrameApi.GetCameraTextureName();
Texture2D texture2d = null;
if (m_TextureIdToTexture2D.TryGetValue(backgroundTextureId, out texture2d))
{
BackgroundTexture = texture2d;
}
}
private void _UpdateTextureIfNeeded()
{
// If running in editor, updates background texture from Instant Preview only.
Texture2D previewBackgroundTexture = BackgroundTexture;
if (InstantPreviewManager.UpdateBackgroundTextureIfNeeded(ref previewBackgroundTexture))
{
BackgroundTexture = previewBackgroundTexture;
return;
}
IntPtr frameHandle = IntPtr.Zero;
ExternApi.ArPresto_getFrame(ref frameHandle);
if (frameHandle == IntPtr.Zero)
{
// This prevents using a texture that has not been filled out by ARCore.
return;
}
if (m_CameraTextureId == -1)
{
return;
}
BackgroundTexture = m_CameraTexture2D;
}
private void _UpdateTextureIfNeeded()
{
// If running in editor, updates background texture from Instant Preview only.
Texture2D previewBackgroundTexture = BackgroundTexture;
if (InstantPreviewManager.UpdateBackgroundTextureIfNeeded(ref previewBackgroundTexture))
{
BackgroundTexture = previewBackgroundTexture;
return;
}
IntPtr frameHandle = IntPtr.Zero;
ExternApi.ArPresto_getFrame(ref frameHandle);
int backgroundTextureId = ExternApi.ArCoreUnity_getBackgroundTextureId();
if (frameHandle == IntPtr.Zero)
{
// This prevents using a texture that has not been filled out by ARCore.
return;
}
else if (backgroundTextureId == -1)
{
return;
}
else if (BackgroundTexture != null &&
BackgroundTexture.GetNativeTexturePtr().ToInt32() == backgroundTextureId)
{
return;
}
else if (BackgroundTexture == null)
{
// The Unity-cached size and format of the texture (0x0, ARGB) is not the
// actual format of the texture. This is okay because the texture is not
// accessed by pixels, it is accessed with UV coordinates.
BackgroundTexture = Texture2D.CreateExternalTexture(0, 0, TextureFormat.ARGB32, false,
false, new IntPtr(backgroundTextureId));
return;
}
BackgroundTexture.UpdateExternalTexture(new IntPtr(backgroundTextureId));
}