llvlcomposition.h
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- /**
- * @file llvlcomposition.h
- * @brief Viewer-side representation of a composition layer...
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, 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_LLVLCOMPOSITION_H
- #define LL_LLVLCOMPOSITION_H
- #include "llviewerlayer.h"
- #include "llviewertexture.h"
- class LLSurface;
- class LLVLComposition : public LLViewerLayer
- {
- public:
- LLVLComposition(LLSurface *surfacep, const U32 width, const F32 scale);
- /*virtual*/ ~LLVLComposition();
- void setSurface(LLSurface *surfacep);
- // Viewer side hack to generate composition values
- BOOL generateHeights(const F32 x, const F32 y, const F32 width, const F32 height);
- BOOL generateComposition();
- // Generate texture from composition values.
- BOOL generateTexture(const F32 x, const F32 y, const F32 width, const F32 height);
- // Use these as indeces ito the get/setters below that use 'corner'
- enum ECorner
- {
- SOUTHWEST = 0,
- SOUTHEAST = 1,
- NORTHWEST = 2,
- NORTHEAST = 3,
- CORNER_COUNT = 4
- };
- LLUUID getDetailTextureID(S32 corner);
- LLViewerFetchedTexture* getDetailTexture(S32 corner);
- F32 getStartHeight(S32 corner);
- F32 getHeightRange(S32 corner);
- void setDetailTextureID(S32 corner, const LLUUID& id);
- void setStartHeight(S32 corner, F32 start_height);
- void setHeightRange(S32 corner, F32 range);
- friend class LLVOSurfacePatch;
- friend class LLDrawPoolTerrain;
- void setParamsReady() { mParamsReady = TRUE; }
- BOOL getParamsReady() const { return mParamsReady; }
- protected:
- BOOL mParamsReady;
- LLSurface *mSurfacep;
- BOOL mTexturesLoaded;
- LLPointer<LLViewerFetchedTexture> mDetailTextures[CORNER_COUNT];
- LLPointer<LLImageRaw> mRawImages[CORNER_COUNT];
- F32 mStartHeight[CORNER_COUNT];
- F32 mHeightRange[CORNER_COUNT];
- F32 mTexScaleX;
- F32 mTexScaleY;
- };
- #endif //LL_LLVLCOMPOSITION_H