private void CopyCpuData(VarjoBufferMetadata metadata, IntPtr cpuBuffer, bool invertRowOrder)
{
int height = (int)metadata.height;
int rowStride = (int)metadata.rowStride;
int byteSize = (int)metadata.byteSize;
if (invertRowOrder)
{
for (int srcRow = 0; srcRow < height; ++srcRow)
{
long srcOffset = cpuBuffer.ToInt64() + srcRow * rowStride;
int destOffset = (height - srcRow - 1) * rowStride;
Marshal.Copy(new IntPtr(srcOffset), data, destOffset, rowStride);
}
// YUV422 contains a second plane for UV.
if (metadata.textureFormat == VarjoTextureFormat.YUV422)
{
for (int srcRow = 0; srcRow < height; ++srcRow)
{
long srcOffset = cpuBuffer.ToInt64() + (srcRow + height) * rowStride;
int destOffset = (2 * height - srcRow - 1) * rowStride;
Marshal.Copy(new IntPtr(srcOffset), data, destOffset, rowStride);
}
}
}
else
{
Marshal.Copy(cpuBuffer, data, 0, byteSize);
}
}
internal static bool GetBufferMetadata(long id, out VarjoBufferMetadata metadata)
{
if (!IsMRReady())
{
metadata = new VarjoBufferMetadata();
return(false);
}
metadata = varjo_GetBufferMetadata(GetVarjoSession(), id);
return(CheckError());
}