texture_tgl.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef HPL_TEXTURE_TGL_H
#define HPL_TEXTURE_TGL_H

#include "hpl1/engine/graphics/Texture.h"
#include "hpl1/engine/graphics/bitmap2D.h"
#include "hpl1/engine/impl/low_level_graphics_tgl.h"

#ifdef USE_TINYGL

namespace hpl {

class TGLTexture : public iTexture {
public:
    TGLTexture(const tString &asName, Graphics::PixelFormat *apPxlFmt, iLowLevelGraphics *apLowLevelGraphics,
               eTextureType aType, bool abUseMipMaps, eTextureTarget aTarget,
               bool abCompress = false);
    ~TGLTexture();

    bool CreateFromBitmap(Bitmap2D *pBmp);

    bool CreateAnimFromBitmapVec(tBitmap2DVec *avBitmaps);

    bool CreateCubeFromBitmapVec(tBitmap2DVec *avBitmaps);
    bool Create(unsigned int alWidth, unsigned int alHeight, cColor aCol);

    bool CreateFromArray(unsigned char *apPixelData, int alChannels, const cVector3l &avSize);

    void SetPixels2D(int alLevel, const cVector2l &avOffset, const cVector2l &avSize,
                     eColorDataFormat aDataFormat, void *apPixelData);

    float GetGamma() { return 0; }
    void SetGamma(float afGamma) {}
    int GetHandle() { return (int)mvTextureHandles[0]; }

    void SetFilter(eTextureFilter aFilter);
    void SetAnisotropyDegree(float afX);

    void SetWrapS(eTextureWrap aMode);
    void SetWrapT(eTextureWrap aMode);
    void SetWrapR(eTextureWrap aMode);

    void Update(float afTimeStep);

    bool HasAnimation();
    void NextFrame();
    void PrevFrame();
    float GetT();
    float GetTimeCount();
    void SetTimeCount(float afX);
    int GetCurrentLowlevelHandle();


    unsigned int GetTextureHandle();
    // cPBuffer *GetPBuffer() { return mpPBuffer; }

private:
    bool CreateFromBitmapToHandle(Bitmap2D *pBmp, int alHandleIdx);

    TGLenum InitCreation(int alHandleIdx);
    void PostCreation(TGLenum aGLTarget);

    TGLenum GetGLWrap(eTextureWrap aMode);

    tUIntVec mvTextureHandles;
    bool mbContainsData;
    LowLevelGraphicsTGL *mpGfxSDL;

    float mfTimeCount;
    int mlTextureIndex;
    float mfTimeDir;
};

} // namespace hpl

#endif // USE_TINYGL

#endif // HPL_TEXTURE_TGL_H