/** * @file llvlcomposition.h * @brief Viewer-side representation of a composition layer... * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * 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_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