public override Axiom.Media.PixelFormat GetNativeFormat(TextureType ttype, PixelFormat format, TextureUsage usage)
{
// Basic filtering
var d3dPF = D3D9Helper.ConvertEnum(D3D9Helper.GetClosestSupported(format));
// Calculate usage
var d3dusage = D3D9.Usage.None;
var pool = D3D9.Pool.Managed;
if ((usage & TextureUsage.RenderTarget) != 0)
{
d3dusage |= D3D9.Usage.RenderTarget;
pool = D3D9.Pool.Default;
}
if ((usage & TextureUsage.Dynamic) != 0)
{
d3dusage |= D3D9.Usage.Dynamic;
pool = D3D9.Pool.Default;
}
var curDevice = D3D9RenderSystem.ActiveD3D9Device;
// Use D3DX to adjust pixel format
switch (ttype)
{
case TextureType.OneD:
case TextureType.TwoD:
var tReqs = D3D9.Texture.CheckRequirements(curDevice, 0, 0, 0, d3dusage, D3D9Helper.ConvertEnum(format), pool);
d3dPF = tReqs.Format;
break;
case TextureType.ThreeD:
var volReqs = D3D9.VolumeTexture.CheckRequirements(curDevice, 0, 0, 0, 0, d3dusage,
D3D9Helper.ConvertEnum(format), pool);
d3dPF = volReqs.Format;
break;
case TextureType.CubeMap:
var cubeReqs = D3D9.CubeTexture.CheckRequirements(curDevice, 0, 0, d3dusage, D3D9Helper.ConvertEnum(format),
pool);
d3dPF = cubeReqs.Format;
break;
}
return(D3D9Helper.ConvertEnum(d3dPF));
}
private bool _checkVertexTextureFormats(D3D9RenderWindow renderWindow)
{
var anySupported = false;
var bbSurf = (D3D9.Surface[])renderWindow["DDBACKBUFFER"];
var bbSurfDesc = bbSurf[0].Description;
for (var pf = PixelFormat.L8; pf < PixelFormat.Count; ++pf)
{
var fmt = D3D9Helper.ConvertEnum(D3D9Helper.GetClosestSupported(pf));
if (
!this._pD3D.CheckDeviceFormat(this._activeD3DDriver.AdapterNumber, D3D9.DeviceType.Hardware, bbSurfDesc.Format,
D3D9.Usage.QueryVertexTexture, D3D9.ResourceType.Texture, fmt))
{
continue;
}
// cool, at least one supported
anySupported = true;
LogManager.Instance.Write("D3D9: Vertex texture format supported - {0}", PixelUtil.GetFormatName(pf));
}
return(anySupported);
}