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/**
* @file llcubemap.h
* @brief LLCubeMap class definition
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLCUBEMAP_H
#define LL_LLCUBEMAP_H
#include "llgl.h"
#include <vector>
class LLVector3;
// Environment map hack!
class LLCubeMap : public LLRefCount
{
public:
LLCubeMap();
void init(const std::vector<LLPointer<LLImageRaw> >& rawimages);
void initGL();
void initRawData(const std::vector<LLPointer<LLImageRaw> >& rawimages);
void initGLData();
void bind();
void enable(S32 stage);
void enableTexture(S32 stage);
void enableTextureCoords(S32 stage);
S32 getStage(void) { return mTextureStage; }
void disable(void);
void disableTexture(void);
void disableTextureCoords(void);
void setMatrix(S32 stage);
void restoreMatrix();
void setReflection (void);
void finishPaint();
GLuint getGLName();
LLVector3 map(U8 side, U16 v_val, U16 h_val) const;
BOOL project(F32& v_val, F32& h_val, BOOL& outside,
U8 side, const LLVector3& dir) const;
BOOL project(F32& v_min, F32& v_max, F32& h_min, F32& h_max,
U8 side, LLVector3 dir[4]) const;
void paintIn(LLVector3 dir[4], const LLColor4U& col);
void destroyGL();
public:
static bool sUseCubeMaps;
protected:
friend class LLTexUnit;
~LLCubeMap();
LLGLenum mTargets[6];
LLPointer<LLImageGL> mImages[6];
LLPointer<LLImageRaw> mRawImages[6];
S32 mTextureStage;
S32 mTextureCoordStage;
S32 mMatrixStage;
};
#endif
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