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/**
* @file llcubemap.h
* @brief LLCubeMap class definition
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* Copyright (c) 2002-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#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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