MapRequestDescriptor.h

// MapRequestDescriptor.h
//
 
namespace nkGraphics
{
    struct BufferSubResourceDescriptor
    {
        unsigned int _subResourceIndex = 0 ; 
    } ;
 
    struct TextureSubResourceDescriptor
    {
        unsigned int _indexInArray = 0 ; 
        unsigned int _mipIndex = 0 ;     
    } ;
 
    struct MapRequestDescriptor
    {
        // Attributes
        MAP _mapType = MAP_WRITE_DISCARD ; 
 
        union
        {
            BufferSubResourceDescriptor _buffer ;                                    
            TextureSubResourceDescriptor _texture = TextureSubResourceDescriptor() ; 
        } ;
 
        // Constructors
        MapRequestDescriptor () = default ;
        MapRequestDescriptor (MAP mapType, unsigned int bufferSubResourceIndex) ;
        MapRequestDescriptor (MAP mapType, unsigned int textureIndexInArray, unsigned int textureMipIndex) ;
    } ;
}