BL_Texture.h

Go to the documentation of this file.

#ifndef __BL_TEXTURE_H__
#define __BL_TEXTURE_H__

//  #include <vector>
//  #include <map>

#include "MT_Matrix4x4.h"
#include "KX_Camera.h"

// --
struct Image;
struct EnvMap;
class BL_Material;
class RAS_Rect;
class RAS_ICanvas;
//class RTData;

#include "STR_String.h"

class BL_Texture
{
private:
    unsigned int        mTexture;       // Bound texture unit data
    bool                mOk;            // ...
    bool                mNeedsDeleted;  // If generated
    unsigned int        mType;          // enum TEXTURE_2D | CUBE_MAP 
    int                 mUnit;          // Texture unit associated with mTexture
    unsigned int        mEnvState;      // cache textureEnv
    static unsigned int mDisableState;  // speed up disabling calls

    void InitNonPow2Tex(unsigned int *p,int x,int y,bool mipmap );
    void InitGLTex(unsigned int *p,int x,int y,bool mipmap );
public:
    BL_Texture();
    ~BL_Texture( );

    bool Ok();
    int  GetUnit()          {return mUnit;}
    void SetUnit(int unit)  {mUnit = unit;}

    unsigned int GetTextureType() const;
    void DeleteTex();

    bool InitFromImage(int unit, Image *img, bool mipmap);
    bool InitCubeMap(int unit,EnvMap *cubemap );

    bool IsValid();
    void Validate();

    static void ActivateFirst();
    static void DisableAllTextures();
    static void ActivateUnit(int unit);
    static int GetMaxUnits();
    static int GetPow2(int x);
    static void SplitEnvMap(EnvMap *map);


    void ActivateTexture();
    void SetMapping(int mode);
    void DisableUnit();
    void setTexEnv(BL_Material *mat, bool modulate=false);
    unsigned int swapTexture (unsigned int newTex) {
        // swap texture codes
        unsigned int tmp = mTexture;
        mTexture = newTex;
        // return original texture code
        return tmp;
    }


#ifdef WITH_CXX_GUARDEDALLOC
public:
    void *operator new(size_t num_bytes) { return MEM_mallocN(num_bytes, "GE:BL_Texture"); }
    void operator delete( void *mem ) { MEM_freeN(mem); }
#endif
};

#endif//__BL_TEXTURE_H__