public void OnPreRender()
{
ARTextureHandles handles = m_Session.GetARVideoTextureHandles();
if (handles.textureY == System.IntPtr.Zero || handles.textureCbCr == System.IntPtr.Zero)
{
return;
}
if (!bCommandBufferInitialized)
{
InitializeCommandBuffer();
}
Resolution currentResolution = Screen.currentResolution;
// Texture Y
_videoTextureY = Texture2D.CreateExternalTexture(currentResolution.width, currentResolution.height,
TextureFormat.R8, false, false, (System.IntPtr)handles.textureY);
_videoTextureY.filterMode = FilterMode.Bilinear;
_videoTextureY.wrapMode = TextureWrapMode.Repeat;
_videoTextureY.UpdateExternalTexture(handles.textureY);
// Texture CbCr
_videoTextureCbCr = Texture2D.CreateExternalTexture(currentResolution.width, currentResolution.height,
TextureFormat.RG16, false, false, (System.IntPtr)handles.textureCbCr);
_videoTextureCbCr.filterMode = FilterMode.Bilinear;
_videoTextureCbCr.wrapMode = TextureWrapMode.Repeat;
_videoTextureCbCr.UpdateExternalTexture(handles.textureCbCr);
m_ClearMaterial.SetTexture("_textureY", _videoTextureY);
m_ClearMaterial.SetTexture("_textureCbCr", _videoTextureCbCr);
int isPortrait = 0;
float rotation = 0;
if (Screen.orientation == ScreenOrientation.Portrait)
{
rotation = -90;
isPortrait = 1;
}
else if (Screen.orientation == ScreenOrientation.PortraitUpsideDown)
{
rotation = 90;
isPortrait = 1;
}
else if (Screen.orientation == ScreenOrientation.LandscapeRight)
{
rotation = -180;
}
Matrix4x4 m = Matrix4x4.TRS(Vector3.zero, Quaternion.Euler(0.0f, 0.0f, rotation), Vector3.one);
m_ClearMaterial.SetMatrix("_TextureRotation", m);
m_ClearMaterial.SetFloat("_texCoordScale", m_Session.GetARYUVTexCoordScale());
m_ClearMaterial.SetInt("_isPortrait", isPortrait);
}