void OnCompleteReadback(AsyncGPUReadbackRequest request)
{
if (request.hasError)
{
Debug.LogError("GPU readback error detected");
return;
}
// This happens when the delayed async readback happens as we're exiting play mode
if (instance == null || visibilityMaskTexture == null)
{
return;
}
// Read the color of the visibility mask texture to determine which visibility masks are active on cursor
Texture2D visibilityMaskTex = new Texture2D(
1,
1,
GraphicsFormatUtility.GetTextureFormat(visibilityMaskTexture.graphicsFormat),
false
);
visibilityMaskTex.LoadRawTextureData(request.GetData <Color32>());
visibilityMaskTex.Apply();
// Only one pixel so we can sample at 0, 0
Color sample = visibilityMaskTex.GetPixel(0, 0);
visibilityMaskValue = DimensionShaderUtils.MaskValueFromSample(sample.linear);
}
public SparseTexture(int width, int height, GraphicsFormat format, int mipCount)
{
if (ValidateFormat(format, FormatUsage.Sample))
{
Internal_Create(this, width, height, GraphicsFormatUtility.GetTextureFormat(format), GraphicsFormatUtility.IsSRGBFormat(format), mipCount);
}
}
/// <summary>
/// Perform async read back from the provided source texture.
/// </summary>
/// <param name="src">Texture source to be used for the read back.</param>
/// <param name="mipIndex">Index of the mipmap to be fetched.</param>
/// <param name="dstFormat">Target TextureFormat of the data. If the target format is different from the format stored on the GPU, the conversion is automatic.</param>
/// <param name="functor">Functor that will be invoked after the async read back request is complete.</param>
/// <typeparam name="T">Type for the destination data buffer.</typeparam>
/// <returns>Returns an AsynRequest</returns>
public static AsyncRequest <object> Capture <T>(Texture src, int mipIndex, GraphicsFormat dstFormat, Func <AsyncRequest <object>, AsyncRequest <object> .Result> functor = null) where T : struct
{
var req = Manager.Instance.CreateRequest <AsyncRequest <object> >();
if (GraphicsUtilities.SupportsAsyncReadback())
{
AsyncGPUReadback.Request(src, mipIndex, GraphicsFormatUtility.GetTextureFormat(dstFormat), (AsyncGPUReadbackRequest request) =>
{
req.error = request.hasError;
if (!request.hasError)
{
req.data = request.GetData <T>().ToArray();
req.Enqueue(functor);
req.Execute();
}
});
}
else
{
req.data = GraphicsUtilities.GetPixelsSlow(src as RenderTexture);
req.Enqueue(functor);
req.Execute();
}
return(req);
}
public Texture2D To()
{
var textureFormat = GraphicsFormatUtility.GetTextureFormat(m_format);
var srgb = GraphicsFormatUtility.IsSRGBFormat(m_format);
Texture2D texture = new Texture2D(m_width, m_height, textureFormat, true, !srgb);
texture.name = m_textureName;
texture.LoadImage(m_bytes);
texture.wrapMode = m_wrapMode;
texture.Apply();
return(texture);
}
public static TextureFormat GetSupportedTextureFormat(GraphicsDeviceType type)
{
var graphicsFormat = GetSupportedGraphicsFormat(type);
return(GraphicsFormatUtility.GetTextureFormat(graphicsFormat));
}
protected static TextureFormat TextureFormatFor(Texture texture)
{
return(GraphicsFormatUtility.GetTextureFormat(texture.graphicsFormat));
}
private static TextureFormat GetTextureFormat(Texture texture)
{
return(GraphicsFormatUtility.GetTextureFormat(texture.graphicsFormat));
}
