/// <summary>
/// A function to create and save a new lookup-table with unmodified colors.
/// Check the github readme for use.
/// </summary>
/// <param name="graphics"></param>
/// <param name="lutsize">32 or 16. 32 will result in a larger LUT which results in better images but worse performance</param>
/// <param name="relativeFilePath">for example "Lut16.png". The base directory is where the .exe is started from</param>
public void CreateLUT(GraphicsDevice graphics, LUTSizes lutsize, string relativeFilePath)
{
_renderTarget?.Dispose();
_sizeParam.SetValue((float)(lutsize == LUTSizes.Size16 ? 16 : 32));
_sizeRootParam.SetValue((float)(lutsize == LUTSizes.Size16 ? 4 : 8));
int size = lutsize == LUTSizes.Size16 ? 16 * 4 : 32 * 8;
_renderTarget = new RenderTarget2D(graphics, size, size, false, SurfaceFormat.Color, DepthFormat.None);
graphics.SetRenderTarget(_renderTarget);
_createLUTPass.Apply();
_fullScreenTriangle.Draw(graphics);
//Save this texture
Stream stream = File.Create(relativeFilePath);
_renderTarget.SaveAsPng(stream, _renderTarget.Width, _renderTarget.Height);
stream.Dispose();
}
/// <summary>
/// A function to create and save a new lookup-table with unmodified colors.
/// Check the github readme for use.
/// </summary>
/// <param name="graphics"></param>
/// <param name="lutsize">32 or 16. 32 will result in a larger LUT which results in better images but worse performance</param>
/// <param name="relativeFilePath">for example "Lut16.png". The base directory is where the .exe is started from</param>
public void CreateLUT(GraphicsDevice graphics, LUTSizes lutsize, string relativeFilePath)
{
_renderTarget?.Dispose();
//_sizeParam.SetValue((float) ( lutsize == LUTSizes.Size16 ? 16 : lutsize == LUTSizes.Size32 ? 32 : 64));
//_sizeRootParam.SetValue((float) (lutsize == LUTSizes.Size64 ? 8 : 4));
Size = lutsize == LUTSizes.Size16 ? 16 : lutsize == LUTSizes.Size32 ? 32 : lutsize == LUTSizes.Size64 ? 64 : 4;
int size = lutsize == LUTSizes.Size16 ? 16 * 4 : lutsize == LUTSizes.Size32 ? 32 * 8 : lutsize == LUTSizes.Size64 ? 64 * 8 : 4 * 2;
_renderTarget = new RenderTarget2D(graphics, size, size / (lutsize == LUTSizes.Size32 ? 2 : 1), false, SurfaceFormat.Color, DepthFormat.None);
graphics.SetRenderTarget(_renderTarget);
_createLUTPass.Apply();
_fsq.RenderFullscreenQuad(graphics);
//Save this texture
Stream stream = File.Create(relativeFilePath);
_renderTarget.SaveAsPng(stream, _renderTarget.Width, _renderTarget.Height);
stream.Dispose();
}
