using SlimDX;
using SlimDX.Direct3D10;

namespace Aiwaz.Contracts
{
    public class ViewPort
    {
        public ViewPort()
	    {
            MaxDepth = 1.0f;
	    }

        public int TopLeftX;
        public int TopLeftY;
        public int Width;
        public int Height;
        public float MinDepth;
        public float MaxDepth;

        public static implicit operator SlimDX.Direct3D10.Viewport(ViewPort vp)
        {
            return new SlimDX.Direct3D10.Viewport(vp.TopLeftX, vp.TopLeftY, vp.Width, vp.Height, vp.MinDepth, vp.MaxDepth);
        }
    };

    public enum BindFlags
    {
        None                    = 0x000,
	    ClearDepthStencil	    = 0x001,
	    ClearColor		    	= 0x002,
	    ClearAll		    	= 0x00F,
	    BindAdditionalTexture0	= 0x010,
	    BindAdditionalTexture1	= 0x020,
	    BindAdditionalTexture2	= 0x040,
	    BindAdditionalTexture3	= 0x080,
	    BindBaseTexture			= 0x100,
	    BindAllTextures			= 0xFF0,
	    Default = ClearAll | BindAllTextures
    };

    public interface IRenderTargetBase
    {
	    float ClearDepth { get; set; }
	    byte ClearStencil { get; set; }
	    Color4 ClearColor { get; set; }
	    ViewPort ViewPort { get; set; }
	    int RenderTargetWidth { get; }
	    int RenderTargetHeight { get; }
        SlimDX.DXGI.Format RenderTargetFormat { get; }
        bool HasDepthStencilBuffer { get; set; }
        RenderTargetView DX10RenderTargetView { get; }
        DepthStencilView DX10DepthStencilView { get; }

	    void AddAdditionalRenderTarget(IRenderTargetBase target);
	    void RemoveAdditionalRenderTarget(IRenderTargetBase target);

        void Bind(BindFlags bindFlags);
	    void UnbindAllRenderTargets();
    };
}