private void writeFacePixels(CubeMapFace face, byte[] pixels, int width, int height)
{
byte[] pixelsWithAlpha = new byte[width * height * 4];
for (int i = 0; i < width * height; i++)
{
pixelsWithAlpha[i * 4 + 0] = pixels[i * 4 + 2];
pixelsWithAlpha[i * 4 + 1] = pixels[i * 4 + 1];
pixelsWithAlpha[i * 4 + 2] = pixels[i * 4 + 0];
pixelsWithAlpha[i * 4 + 3] = pixels[i * 4 + 3];
}
SharpDX.DataStream stream;
SharpDX.DataRectangle r = _cubeMap.LockRectangle(face, 0, LockFlags.None, out stream);
Direct3D9Texture.WritePixelsToTextureDataStream(stream, pixelsWithAlpha, width, height);
_cubeMap.UnlockRectangle(face, 0);
}
public override void Update(byte[] pixels)
{
if (pixels.Length != _width * _height * 4)
{
throw new ArgumentException("Pixel array is not the expected length");
}
// need to swap the R and B components
for (int i = 0; i < _width * _height; i++)
{
byte temp = pixels[i * 4 + 0];
pixels[i * 4 + 0] = pixels[i * 4 + 2];
pixels[i * 4 + 2] = temp;
}
Surface s = _texture.GetSurfaceLevel(0);
SharpDX.DataStream stream;
SharpDX.DataRectangle r = s.LockRectangle(LockFlags.None, out stream);
Direct3D9Texture.WritePixelsToTextureDataStream(stream, pixels, _width, _height);
s.UnlockRectangle();
}