private void UpdateBitmap()
{
var bitmapdata = bitmap.LockBits(new System.Drawing.Rectangle(0, 0, renderBuffer.width, renderBuffer.height), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
if (bytes == null)
{
stride = Math.Abs(bitmapdata.Stride);
bytes = new byte[stride * bitmapdata.Height];
}
for (int i = 0; i < renderBuffer.width; i++)
{
for (int j = 0; j < renderBuffer.height; j++)
{
float4 color = renderBuffer.getPixel(i, j);
int destidx = j * stride + i * 4;
bytes[destidx + 0] = floatToByte(color.b);
bytes[destidx + 1] = floatToByte(color.g);
bytes[destidx + 2] = floatToByte(color.r);
bytes[destidx + 3] = floatToByte(color.a);
}
}
System.Runtime.InteropServices.Marshal.Copy(bytes, 0, bitmapdata.Scan0, bytes.Length);
bitmap.UnlockBits(bitmapdata);
control.Invalidate();
}