return NV20_3D_TEX_FORMAT_FORMAT_A4R4G4B4_RECT;
case MESA_FORMAT_B8G8R8X8_UNORM:
return NV20_3D_TEX_FORMAT_FORMAT_R8G8B8_RECT;
return NV20_3D_TEX_FORMAT_FORMAT_A4R4G4B4_RECT;
case MESA_FORMAT_B8G8R8X8_UNORM:
return NV20_3D_TEX_FORMAT_FORMAT_R8G8B8_RECT;