using SlimDX.Direct3D10;
namespace Aiwaz.Contracts
{
    public struct LockedTextureData
    {
        public byte[] Data;
        public int RowPitch;
    };

    public class TextureInitialData
    {
        public TextureInitialData(byte[] Data, int Pitch)
	    {
            this.Data = Data;
            this.Pitch = Pitch;
        }

        public byte[] Data;
        public int Pitch;
    };

    public struct CreateTextureDescriptor
    {
        public int Width;
        public int Height;
        public int Elements;
        public int MipLevels;
        public SlimDX.DXGI.Format Format;
        public ResourceUsage AccessType;
        public TextureInitialData InitialData;

        public static CreateTextureDescriptor AsSingleTexture(int Width, int Height, SlimDX.DXGI.Format Format, int MipLevels)
        {
            return AsSingleTexture(Width, Height, Format, MipLevels, null, ResourceUsage.Default);
        }

        public static CreateTextureDescriptor AsSingleTexture(int Width, int Height, SlimDX.DXGI.Format Format, int MipLevels, TextureInitialData InitialData, ResourceUsage AccessType)
	    {
		    CreateTextureDescriptor Desc = new CreateTextureDescriptor();

		    Desc.Width = Width;
		    Desc.Height = Height;
		    Desc.Elements = 0;
		    Desc.Format = Format;
            Desc.AccessType = AccessType;
            Desc.InitialData = InitialData;
            Desc.MipLevels = MipLevels;

		    return Desc;
	    }

        public static CreateTextureDescriptor AsArrayTexture(int Width, int Height, int Elements, SlimDX.DXGI.Format Format, int MipLevels, TextureInitialData InitialData)
	    {
            CreateTextureDescriptor Desc = new CreateTextureDescriptor();

		    Desc.Width = Width;
		    Desc.Height = Height;
            Desc.Elements = Elements;
            Desc.Format = Format;
            Desc.AccessType = ResourceUsage.Default;
            Desc.InitialData = InitialData;
            Desc.MipLevels = MipLevels;

		    return Desc;
	    }
    };

    public interface ITexture
    {
	    string BindingName { get; set; }
	    int TextureWidth { get; }
	    int TextureHeight { get; }
	    int TextureArraySize { get; }
        SlimDX.DXGI.Format TextureFormat { get; }
	    ShaderResourceView ResourceView { get; }
        Texture2D Texture2D { get; }

        SlimDX.DataRectangle MapTextureBuffer(MapMode mode);
        SlimDX.DataRectangle MapTextureBuffer(MapMode mode, int arrayElement);
	    void UnmapTextureBuffer();
    };
}