[2/2] d3dx9: Implement D3DXCreateTextureFromFileInMemoryEx

[Henri Verbeet]

On 26 July 2010 23:05, Owen Rudge <owen at owenrudge.net> wrote:
> +    if ((filter & 0xFFFF) > D3DX_FILTER_BOX && filter != D3DX_DEFAULT)
> +        return D3DERR_INVALIDCALL;
> +
> +    if ((mipfilter & 0xFFFF) > D3DX_FILTER_BOX && mipfilter != D3DX_DEFAULT)
> +        return D3DERR_INVALIDCALL;
> +
> +    if (!filter || !mipfilter)
> +        return D3DERR_INVALIDCALL;
I think those should be handled implicitly by
D3DXLoadSurfaceFromFileInMemory() / D3DXFilterTexture(). Provided you
check the return values anyway.

> +    if (filter == D3DX_DEFAULT)
> +        filter = D3DX_FILTER_TRIANGLE | D3DX_FILTER_DITHER;
> +
> +    if (mipfilter == D3DX_DEFAULT)
> +        mipfilter = D3DX_FILTER_BOX;
Same.

> +    if (width == 0 || width == D3DX_DEFAULT_NONPOW2)
> +        width = imginfo.Width;
Probably depends on the device supporting NPOT textures again.

> +    if ((pool != D3DPOOL_DEFAULT) && (usage != D3DUSAGE_DYNAMIC))
Dynamic textures are a device capability.