public bool Update()
{
bool result = false;
//RenderTexture prev = RenderTexture.active;
bool build = !_isBuilt;
#if AVPRODECKLINK_UNITYFEATURE_EXTERNALTEXTURES
build |= _externalTexturePtr != DeckLinkPlugin.GetTexturePointer(_deviceHandle);
#endif
if (build)
{
if (DeckLinkPlugin.GetLastCapturedFrameTime(_deviceHandle) > 0)
{
if (!Build())
{
return(false);
}
}
return(false);
}
/*
#if UNITY_5_3_OR_NEWER
* Flip();
#endif
*/
if (_uvsDirty)
{
_requiresTextureCrop = (_usedTextureWidth != _rawTexture.width || _usedTextureHeight != _rawTexture.height);
if (_requiresTextureCrop)
{
CreateUVs(_flipX || false, !_flipY && true);
}
else
{
Flip(_flipX || false, !_flipY && true);
}
_uvsDirty = false;
}
// Wait until next frame has been uploaded to the texture
int lastFrameUploaded = (int)DeckLinkPlugin.GetLastFrameUploaded(_deviceHandle);
if (_lastFrameUploaded != lastFrameUploaded)
{
RenderTexture prev = RenderTexture.active;
if (!_deinterlace)
{
// Format convert
result = DoFormatConversion(_finalTexture, _rawTexture);
if (_enable3D && _rightEyeRawTexture != null && _rightEyeFinalTexture != null)
{
result = result && DoFormatConversion(_rightEyeFinalTexture, _rightEyeRawTexture);
}
}
else
{
// Format convert and Deinterlace
RenderTexture tempTarget = RenderTexture.GetTemporary(_finalTexture.width, _finalTexture.height, 0, _finalTexture.format, RenderTextureReadWrite.Default);
tempTarget.filterMode = FilterMode.Point;
tempTarget.wrapMode = TextureWrapMode.Clamp;
if (DoFormatConversion(tempTarget, _rawTexture))
{
DoDeinterlace(tempTarget, _finalTexture);
result = true;
}
if (_enable3D && _rightEyeRawTexture != null && _rightEyeFinalTexture != null)
{
if (DoFormatConversion(tempTarget, _rightEyeRawTexture))
{
DoDeinterlace(tempTarget, _rightEyeFinalTexture);
result = result && true;
}
}
RenderTexture.ReleaseTemporary(tempTarget);
}
RenderTexture.active = prev;
_lastFrameUploaded = lastFrameUploaded;
}
else if (!_finalTexture.IsCreated() || (_enable3D && _rightEyeFinalTexture != null && !_rightEyeFinalTexture.IsCreated()))
{
Debug.LogError("GPU Reset");
// If the texture has been lost due to GPU reset(from full screen mode change or vsync change) we'll need fill the texture again
Reset();
}
if (_conversionMaterial != null && _mode != null)
{
_conversionMaterial.SetFloat("_TextureWidth", _mode.Width);
}
return(ValidPicture && result);
}
private bool Build()
{
if (CreateMaterial())
{
#if AVPRODECKLINK_UNITYFEATURE_EXTERNALTEXTURES
System.IntPtr texPtr = DeckLinkPlugin.GetTexturePointer(_deviceHandle);
if (texPtr != System.IntPtr.Zero)
{
_usedTextureHeight = _mode.Height;
if (_mode.PixelFormat == DeckLinkPlugin.PixelFormat.YCbCr_10bpp_422)
{
_usedTextureWidth = ((_mode.Width * 16) / 6) / 4;
}
else
{
_usedTextureWidth = _mode.Pitch / 4;
}
int width, height;
CalcPOTResolutions(_usedTextureWidth, _usedTextureHeight, out width, out height);
_rawTexture = Texture2D.CreateExternalTexture(width, height, TextureFormat.ARGB32, false, true, texPtr);
_externalTexturePtr = texPtr;
if (_enable3D)
{
texPtr = DeckLinkPlugin.GetRightTexturePointer(_deviceHandle);
if (texPtr != System.IntPtr.Zero)
{
_rightEyeRawTexture = Texture2D.CreateExternalTexture(width, height, TextureFormat.ARGB32, false, true, texPtr);
}
}
}
#else
CreateRawTexture();
#endif
if (_rawTexture != null)
{
CreateFinalTexture();
_requiresTextureCrop = (_usedTextureWidth != _rawTexture.width || _usedTextureHeight != _rawTexture.height);
if (_requiresTextureCrop)
{
CreateUVs(_flipX || false, !_flipY && true);
}
else
{
Flip(_flipX || false, !_flipY && true);
}
_conversionMaterial.SetFloat("_TextureWidth", _mode.Width);
//_conversionMaterial.mainTexture = _rawTexture;
#if !AVPRODECKLINK_UNITYFEATURE_EXTERNALTEXTURES
DeckLinkPlugin.SetTexturePointer(_deviceHandle, _rawTexture.GetNativeTexturePtr());
#endif
}
}
_isBuilt = (_conversionMaterial != null && _rawTexture != null && _finalTexture != null);
return(_isBuilt);
}