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/**
* @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
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