/** * @file llvlcomposition.h * @brief Viewer-side representation of a composition layer... * * $LicenseInfo:firstyear=2001&license=viewergpl$ * * Copyright (c) 2001-2009, 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_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