93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
/**
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* @file llcubemap.h
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* @brief LLCubeMap class definition
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*
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* $LicenseInfo:firstyear=2002&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLCUBEMAP_H
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#define LL_LLCUBEMAP_H
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#include "llgl.h"
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#include <vector>
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class LLVector3;
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// Environment map hack!
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class LLCubeMap : public LLRefCount
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{
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bool mIssRGB;
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public:
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LLCubeMap(bool init_as_srgb);
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void init(const std::vector<LLPointer<LLImageRaw> >& rawimages);
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// initialize as an undefined cubemap at the given resolution
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// used for render-to-cubemap operations
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// avoids usage of LLImageRaw
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void initReflectionMap(U32 resolution, U32 components = 3);
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// init from environment map images
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// Similar to init, but takes ownership of rawimages and makes this cubemap
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// respect the resolution of rawimages
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// Raw images must point to array of six square images that are all the same resolution
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void initEnvironmentMap(const std::vector<LLPointer<LLImageRaw> >& rawimages);
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void initGL();
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void initRawData(const std::vector<LLPointer<LLImageRaw> >& rawimages);
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void initGLData();
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void bind();
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void enable(S32 stage);
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void enableTexture(S32 stage);
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S32 getStage(void) { return mTextureStage; }
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void disable(void);
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void disableTexture(void);
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void setMatrix(S32 stage);
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void restoreMatrix();
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U32 getResolution() { return mImages[0].notNull() ? mImages[0]->getWidth(0) : 0; }
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// generate mip maps for this Cube Map using GL
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// NOTE: Cube Map MUST already be resident in VRAM
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void generateMipMaps();
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GLuint getGLName();
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void destroyGL();
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public:
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static bool sUseCubeMaps;
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protected:
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friend class LLTexUnit;
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~LLCubeMap();
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LLGLenum mTargets[6];
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LLPointer<LLImageGL> mImages[6];
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LLPointer<LLImageRaw> mRawImages[6];
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S32 mTextureStage;
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S32 mMatrixStage;
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};
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#endif
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