private Bitmap CalculateFragmentStep()
{
int[] imageData = new int[_fragments.GetLength(0) * _fragments.GetLength(1)];
Vector4ToInt vec4ToInt = new Vector4ToInt();
for (int x = 0; x < _fragments.GetLength(0); x++)
{
for (int y = 0; y < _fragments.GetLength(1); y++)
{
if (_fragments[x, y] != null)
{
for (int i = 0; i < _fragments[x, y].Values.First().Count; i++)
{
bool closest = true;
if (DepthEnabled)
{
for (int j = 0; j < _depths[x, y].Count; j++)
{
if (i != j)
{
if (_depths[x, y][i] > _depths[x, y][j])
{
closest = false;
}
}
}
}
if (closest)
{
foreach (var key in _fragments[x, y].Keys)
{
SetAttribute(_activeFragmentShader, key, _fragments[x, y][key][i]);
}
_activeFragmentShader.Main();
foreach (var outValue in _activeFragmentShader.GetOutValues())
{
if (outValue.Key == FragmentShader.ColorName)
{
vec4ToInt.ColorValue = 0;
vec4ToInt.valueA = (byte)Math.Min((int)(((Vector4)outValue.Value).A * 255), 255);
vec4ToInt.valueR = (byte)Math.Min((int)(((Vector4)outValue.Value).R * 255), 255);
vec4ToInt.valueG = (byte)Math.Min((int)(((Vector4)outValue.Value).G * 255), 255);
vec4ToInt.valueB = (byte)Math.Min((int)(((Vector4)outValue.Value).B * 255), 255);
imageData[x + y * Width] = vec4ToInt.ColorValue;
}
}
}
}
}
}
}
return(new Bitmap(Width, Height, Width, System.Drawing.Imaging.PixelFormat.Format32bppArgb, Marshal.UnsafeAddrOfPinnedArrayElement(imageData, 0)));
}