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/**
* @file llbakingshadermgr.h
* @brief Texture Baking Shader Manager
*
* $LicenseInfo:firstyear=2012&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2012, 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_BAKING_SHADER_MGR_H
#define LL_BAKING_SHADER_MGR_H
#include "llshadermgr.h"
class LLBakingShaderMgr: public LLShaderMgr
{
public:
static BOOL sInitialized;
static bool sSkipReload;
LLBakingShaderMgr();
/* virtual */ ~LLBakingShaderMgr();
// singleton pattern implementation
static LLBakingShaderMgr * instance();
void initAttribsAndUniforms(void);
void setShaders();
void unloadShaders();
S32 getVertexShaderLevel(S32 type);
BOOL loadShadersInterface();
std::vector<S32> mVertexShaderLevel;
S32 mMaxAvatarShaderLevel;
enum EShaderClass
{
SHADER_LIGHTING,
SHADER_OBJECT,
SHADER_AVATAR,
SHADER_ENVIRONMENT,
SHADER_INTERFACE,
SHADER_EFFECT,
SHADER_WINDLIGHT,
SHADER_WATER,
SHADER_DEFERRED,
SHADER_TRANSFORM,
SHADER_COUNT
};
// simple model of forward iterator
// http://www.sgi.com/tech/stl/ForwardIterator.html
class shader_iter
{
private:
friend bool operator == (shader_iter const & a, shader_iter const & b);
friend bool operator != (shader_iter const & a, shader_iter const & b);
typedef std::vector<LLGLSLShader *>::const_iterator base_iter_t;
public:
shader_iter()
{
}
shader_iter(base_iter_t iter) : mIter(iter)
{
}
LLGLSLShader & operator * () const
{
return **mIter;
}
LLGLSLShader * operator -> () const
{
return *mIter;
}
shader_iter & operator++ ()
{
++mIter;
return *this;
}
shader_iter operator++ (int)
{
return mIter++;
}
private:
base_iter_t mIter;
};
shader_iter beginShaders() const;
shader_iter endShaders() const;
/* virtual */ std::string getShaderDirPrefix(void);
/* virtual */ void updateShaderUniforms(LLGLSLShader * shader);
private:
// the list of shaders we need to propagate parameters to.
std::vector<LLGLSLShader *> mShaderList;
}; //LLBakingShaderMgr
inline bool operator == (LLBakingShaderMgr::shader_iter const & a, LLBakingShaderMgr::shader_iter const & b)
{
return a.mIter == b.mIter;
}
inline bool operator != (LLBakingShaderMgr::shader_iter const & a, LLBakingShaderMgr::shader_iter const & b)
{
return a.mIter != b.mIter;
}
extern LLVector4 gShinyOrigin;
#endif // LL_BAKING_SHADER_MGR_H
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