static void Main()
{
// Create the graphics buffer
int width = 10;
int height = 10;
float[] array = new float[width * height];
for (int i = 0; i < array.Length; i++)
{
array[i] = i + 1;
}
using ReadWriteBuffer <float> gpuBuffer = Gpu.Default.AllocateReadWriteBuffer(array);
// Run the shader
Gpu.Default.For(100, new MainKernel(gpuBuffer));
// Print the initial matrix
PrintMatrix(array, width, height, "BEFORE");
// Get the data back
gpuBuffer.CopyTo(array);
// Print the updated matrix
PrintMatrix(array, width, height, "AFTER");
}
public void GpuWithTemporaryBuffers()
{
using ReadOnlyBuffer <float> x = Gpu.Default.AllocateReadOnlyBuffer(X !);
using ReadOnlyBuffer <float> w = Gpu.Default.AllocateReadOnlyBuffer(W !);
using ReadOnlyBuffer <float> b = Gpu.Default.AllocateReadOnlyBuffer(B !);
using ReadWriteBuffer <float> y = Gpu.Default.AllocateReadWriteBuffer <float>(Y !.Length);
BlasHelpers.FullyConnectedForwardGpu(Gpu.Default, C, N, M, P, x, w, b, y);
y.CopyTo(Y);
}
private static void YUVToRGB(Image image)
{
using ReadWriteBuffer <int> xBuffer = Gpu.Default.AllocateReadWriteBuffer(image.X.Values);
using ReadWriteBuffer <int> yBuffer = Gpu.Default.AllocateReadWriteBuffer(image.Y.Values);
using ReadWriteBuffer <int> zBuffer = Gpu.Default.AllocateReadWriteBuffer(image.Z.Values);
Gpu.Default.For(image.X.Width * image.X.Height, new YUVToRGB(xBuffer, yBuffer, zBuffer));
xBuffer.CopyTo(image.X.Values);
yBuffer.CopyTo(image.Y.Values);
zBuffer.CopyTo(image.Z.Values);
}
static void Test <T>(Device device)
where T : unmanaged
{
T[] array = new T[128];
new Random().NextBytes(array.AsSpan().AsBytes());
using ReadWriteBuffer <T> texture = device.Get().AllocateReadWriteBuffer <T>(array);
using (ComputeContext context = device.Get().CreateComputeContext())
{
context.Clear(texture);
}
texture.CopyTo(array);
foreach (byte value in array.AsSpan().AsBytes())
{
Assert.AreEqual(value, 0);
}
}