void IReactor.SetBackBuffer(IWritableMemory writableMemory, TextureFormat pixelFormat, int stride)
{
foreach (var kernel in mHardwareQueue)
{
kernel.CastTo <IDisposable>()?.Dispose();
}
mHardwareQueue.Clear();
mOutputKernel?.Dispose();
if (writableMemory.Size <= 0)
{
throw new InvalidOperationException("The buffer dimensions are invalid.");
}
mOutputTextureMemory = writableMemory;
mOutputTexture = new TextureView(writableMemory, stride, pixelFormat);
CreateComputeKernels(mHardwareQueue);
var outputKernel = CreateOutputKernel();
if (outputKernel == null)
{
throw new ArgumentException("The imaging kernel is null.");
}
mOutputKernel = outputKernel;
}
protected override AcceleratedImagingKernel CreateOutputKernel()
{
var kernelWriter = new KernelSourceWriter();
kernelWriter.Write(@"
float4 main(float2 uv : POSITION) : SV_Target {
return float4(
uv.x < 0.5 && uv.y < 0.5f ? 1 : 0,
uv.x >= 0.5f && uv.y < 0.5f ? 1 : 0,
uv.x < 0.5f && uv.y >= 0.5f ? 1 : 0,
uv.x >= 0.5f && uv.y >= 0.5f ? 0 : 1);
}
" );
return(AcceleratedImagingKernel.FromSource(ComputationProvider, kernelWriter).TextureSize(512, 512));
}
