public static RealArgbColor DecodeBitmapPixelXbox(byte[] bitmapData, Bitmap.Image image, D3DTexture9 pTexture, int layerIndex, int mipmapIndex)
{
RealArgbColor result = new RealArgbColor(1, 0, 0, 0);
if (image.Type != BitmapType.Texture3D && (
(image.Type == BitmapType.Texture2D && layerIndex == 1) ||
(image.Type == BitmapType.CubeMap && layerIndex >= 0 && layerIndex < 6) ||
(image.Type == BitmapType.Array && layerIndex >= 0 && layerIndex < image.Depth)) &&
(pTexture.GetBaseOffset() > 0 || pTexture.GetMipOffset() > 0))
{
uint blockWidth = 0;
uint blockHeight = 0;
int dataOffset = 0;
int layerOffset = 0;
// verify the mipmap level index
var minMipLevel = pTexture.GetMinMipLevel();
var maxMipLevel = pTexture.GetMaxMipLevel();
// if mipmapIndex is too low
if (mipmapIndex < minMipLevel)
{
mipmapIndex = minMipLevel;
}
// if mipmapIndex is too high
if (mipmapIndex > maxMipLevel)
{
mipmapIndex = maxMipLevel;
}
var currentHeight = image.Height >> mipmapIndex;
var currentWidth = image.Width >> mipmapIndex;
if (currentWidth < 1)
{
currentWidth = 1;
}
if (currentHeight < 1)
{
currentHeight = 1;
}
//XGGetTextureDesc
XboxGraphics.XGTEXTURE_DESC textureDesc = new XboxGraphics.XGTEXTURE_DESC();
XboxGraphics.XGGetBlockDimensions(XboxGraphics.XGGetGpuFormat(textureDesc.D3DFormat), out blockWidth, out blockHeight);
layerOffset = 0; // Unknown XG function
if (mipmapIndex > 0 && pTexture.GetMipOffset() > 0)
{
dataOffset = pTexture.GetMipOffset() + layerOffset;
}
else
{
dataOffset = pTexture.GetBaseOffset() + layerOffset;
}
for (int h = 0; h < currentHeight; h++)
{
for (int w = 0; w < currentWidth; w++)
{
}
}
}
return(result);
}