Ejemplo n.º 1
0
        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);
        }