$#include "Texture.h"

/// Base class for texture resources.
class Texture : public Resource
{
public:
    /// Set number of requested mip levels. Needs to be called before setting size.
    void SetNumLevels(unsigned levels);
    /// Set filtering mode.
    void SetFilterMode(TextureFilterMode filter);
    /// Set addressing mode by texture coordinate.
    void SetAddressMode(TextureCoordinate coord, TextureAddressMode address);
    /// Set border color for border addressing mode.
    void SetBorderColor(const Color& color);
    /// Set sRGB sampling and writing mode.
    void SetSRGB(bool enable);
    /// Set backup texture to use when rendering to this texture.
    void SetBackupTexture(Texture* texture);
    
    /// Return texture format.
    unsigned GetFormat() const;
    /// Return whether the texture format is compressed.
    bool IsCompressed() const;
    /// Return number of mip levels.
    unsigned GetLevels() const;
    /// Return width.
    int GetWidth() const;
    /// Return height.
    int GetHeight() const;
    /// Return filtering mode.
    TextureFilterMode GetFilterMode() const;
    /// Return addressing mode by texture coordinate.
    TextureAddressMode GetAddressMode(TextureCoordinate coord) const;
    /// Return border color.
    const Color& GetBorderColor() const;
    /// Return whether is using sRGB sampling and writing.
    bool GetSRGB() const;
    /// Return backup texture.
    Texture* GetBackupTexture() const;
    /// Return mip level width, or 0 if level does not exist.
    int GetLevelWidth(unsigned level) const;
    /// Return mip level width, or 0 if level does not exist.
    int GetLevelHeight(unsigned level) const;
    /// Return texture usage type.
    TextureUsage GetUsage() const;
    /// Return data size in bytes for a rectangular region.
    unsigned GetDataSize(int width, int height) const;
    /// Return data size in bytes for a pixel or block row.
    unsigned GetRowDataSize(int width) const;
};