public static bool RequiresResolve(ITextureProducer texture)
{
return(texture.GetTextureAlphaPacking() != AlphaPacking.None ||
texture.RequiresVerticalFlip() ||
texture.GetTextureStereoPacking() != StereoPacking.None ||
texture.GetTextureCount() > 1
);
}
public static RenderTexture ResolveVideoToRenderTexture(Material resolveMaterial, RenderTexture targetTexture, ITextureProducer texture, ResolveFlags flags, ScaleMode scaleMode = ScaleMode.StretchToFill)
{
int targetWidth = texture.GetTexture(0).width;
int targetHeight = texture.GetTexture(0).height;
GetResolveTextureSize(texture.GetTextureAlphaPacking(), texture.GetTextureStereoPacking(), StereoEye.Left, ref targetWidth, ref targetHeight);
if (targetTexture)
{
bool sizeChanged = (targetTexture.width != targetWidth || targetTexture.height != targetHeight);
if (sizeChanged)
{
RenderTexture.ReleaseTemporary(targetTexture); targetTexture = null;
}
}
if (!targetTexture)
{
RenderTextureReadWrite readWrite = ((flags & ResolveFlags.ColorspaceSRGB) == ResolveFlags.ColorspaceSRGB) ? RenderTextureReadWrite.sRGB : RenderTextureReadWrite.Linear;
targetTexture = RenderTexture.GetTemporary(targetWidth, targetHeight, 0, RenderTextureFormat.ARGB32, readWrite);
}
// Set target mipmap generation support
{
bool requiresMipmap = (flags & ResolveFlags.Mipmaps) == ResolveFlags.Mipmaps;
bool requiresRecreate = (targetTexture.IsCreated() && targetTexture.useMipMap != requiresMipmap);
if (requiresRecreate)
{
targetTexture.Release();
}
if (!targetTexture.IsCreated())
{
targetTexture.useMipMap = targetTexture.autoGenerateMips = requiresMipmap;
targetTexture.Create();
}
}
// Render resolve blit
// TODO: combine these two paths into a single material blit
{
bool prevSRGB = GL.sRGBWrite;
GL.sRGBWrite = targetTexture.sRGB;
RenderTexture prev = RenderTexture.active;
if (scaleMode == ScaleMode.StretchToFill)
{
Graphics.Blit(texture.GetTexture(0), targetTexture, resolveMaterial);
}
else
{
RenderTexture.active = targetTexture;
bool partialAreaRender = (scaleMode == ScaleMode.ScaleToFit);
if (partialAreaRender)
{
GL.Clear(false, true, Color.black);
}
VideoRender.DrawTexture(new Rect(0f, 0f, targetTexture.width, targetTexture.height), texture.GetTexture(0), scaleMode, texture.GetTextureAlphaPacking(), resolveMaterial);
}
RenderTexture.active = prev;
GL.sRGBWrite = prevSRGB;
}
return(targetTexture);
}
