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/**
* @file llviewershadermgr.h
* @brief Viewer Shader Manager
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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_VIEWER_SHADER_MGR_H
#define LL_VIEWER_SHADER_MGR_H
#include "llshadermgr.h"
class LLViewerShaderMgr: public LLShaderMgr
{
public:
static BOOL sInitialized;
LLViewerShaderMgr();
/* virtual */ ~LLViewerShaderMgr();
// singleton pattern implementation
static LLViewerShaderMgr * instance();
void initAttribsAndUniforms(void);
void setShaders();
void unloadShaders();
S32 getVertexShaderLevel(S32 type);
BOOL loadBasicShaders();
BOOL loadShadersEffects();
BOOL loadShadersDeferred();
BOOL loadShadersObject();
BOOL loadShadersAvatar();
BOOL loadShadersEnvironment();
BOOL loadShadersWater();
BOOL loadShadersInterface();
BOOL loadShadersWindLight();
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_COUNT
};
typedef enum
{
MATERIAL_COLOR = 0,
SPECULAR_COLOR,
BINORMAL,
END_RESERVED_ATTRIBS
} eGLSLReservedAttribs;
typedef enum
{
DIFFUSE_MAP = 0,
SPECULAR_MAP,
BUMP_MAP,
ENVIRONMENT_MAP,
CLOUD_NOISE_MAP,
FULLBRIGHT,
LIGHTNORM,
SUNLIGHT_COLOR,
AMBIENT,
BLUE_HORIZON,
BLUE_DENSITY,
HAZE_HORIZON,
HAZE_DENSITY,
CLOUD_SHADOW,
DENSITY_MULTIPLIER,
DISTANCE_MULTIPLIER,
MAX_Y,
GLOW,
CLOUD_COLOR,
CLOUD_POS_DENSITY1,
CLOUD_POS_DENSITY2,
CLOUD_SCALE,
GAMMA,
SCENE_LIGHT_STRENGTH,
DEFERRED_DEPTH,
DEFERRED_SHADOW0,
DEFERRED_SHADOW1,
DEFERRED_SHADOW2,
DEFERRED_SHADOW3,
DEFERRED_SHADOW4,
DEFERRED_SHADOW5,
DEFERRED_NORMAL,
DEFERRED_POSITION,
DEFERRED_DIFFUSE,
DEFERRED_SPECULAR,
DEFERRED_NOISE,
DEFERRED_LIGHTFUNC,
DEFERRED_LIGHT,
DEFERRED_LUMINANCE,
DEFERRED_GI_LIGHT,
DEFERRED_GI_MIP,
DEFERRED_EDGE,
DEFERRED_BLOOM,
DEFERRED_SUN_LIGHT,
DEFERRED_LOCAL_LIGHT,
DEFERRED_PROJECTION,
DEFERRED_GI_DIFFUSE,
DEFERRED_GI_SPECULAR,
DEFERRED_GI_NORMAL,
DEFERRED_GI_MIN_POS,
DEFERRED_GI_MAX_POS,
DEFERRED_GI_DEPTH,
DEFERRED_GI_LAST_DIFFUSE,
DEFERRED_GI_LAST_NORMAL,
DEFERRED_GI_LAST_MIN_POS,
DEFERRED_GI_LAST_MAX_POS,
END_RESERVED_UNIFORMS
} eGLSLReservedUniforms;
typedef enum
{
SHINY_ORIGIN = END_RESERVED_UNIFORMS
} eShinyUniforms;
typedef enum
{
WATER_SCREENTEX = END_RESERVED_UNIFORMS,
WATER_SCREENDEPTH,
WATER_REFTEX,
WATER_EYEVEC,
WATER_TIME,
WATER_WAVE_DIR1,
WATER_WAVE_DIR2,
WATER_LIGHT_DIR,
WATER_SPECULAR,
WATER_SPECULAR_EXP,
WATER_FOGCOLOR,
WATER_FOGDENSITY,
WATER_REFSCALE,
WATER_WATERHEIGHT,
} eWaterUniforms;
typedef enum
{
WL_CAMPOSLOCAL = END_RESERVED_UNIFORMS,
WL_WATERHEIGHT
} eWLUniforms;
typedef enum
{
TERRAIN_DETAIL0 = END_RESERVED_UNIFORMS,
TERRAIN_DETAIL1,
TERRAIN_DETAIL2,
TERRAIN_DETAIL3,
TERRAIN_ALPHARAMP
} eTerrainUniforms;
typedef enum
{
GLOW_DELTA = END_RESERVED_UNIFORMS
} eGlowUniforms;
typedef enum
{
AVATAR_WEIGHT = END_RESERVED_ATTRIBS,
AVATAR_CLOTHING,
AVATAR_WIND,
AVATAR_SINWAVE,
AVATAR_GRAVITY
} eAvatarAttribs;
typedef enum
{
AVATAR_MATRIX = END_RESERVED_UNIFORMS
} eAvatarUniforms;
// 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
{
return mShaderList.begin();
}
shader_iter endShaders() const
{
return mShaderList.end();
}
/* virtual */ std::string getShaderDirPrefix(void); // Virtual
/* virtual */ void updateShaderUniforms(LLGLSLShader * shader); // Virtual
private:
std::vector<std::string> mShinyUniforms;
//water parameters
std::vector<std::string> mWaterUniforms;
std::vector<std::string> mWLUniforms;
//terrain parameters
std::vector<std::string> mTerrainUniforms;
//glow parameters
std::vector<std::string> mGlowUniforms;
std::vector<std::string> mGlowExtractUniforms;
//avatar shader parameter tables
std::vector<std::string> mAvatarAttribs;
std::vector<std::string> mAvatarUniforms;
// the list of shaders we need to propagate parameters to.
std::vector<LLGLSLShader *> mShaderList;
}; //LLViewerShaderMgr
inline bool operator == (LLViewerShaderMgr::shader_iter const & a, LLViewerShaderMgr::shader_iter const & b)
{
return a.mIter == b.mIter;
}
inline bool operator != (LLViewerShaderMgr::shader_iter const & a, LLViewerShaderMgr::shader_iter const & b)
{
return a.mIter != b.mIter;
}
extern LLVector4 gShinyOrigin;
//object shaders
extern LLGLSLShader gObjectSimpleProgram;
extern LLGLSLShader gObjectSimpleWaterProgram;
extern LLGLSLShader gObjectFullbrightProgram;
extern LLGLSLShader gObjectFullbrightWaterProgram;
extern LLGLSLShader gObjectSimpleLODProgram;
extern LLGLSLShader gObjectFullbrightLODProgram;
extern LLGLSLShader gObjectFullbrightShinyProgram;
extern LLGLSLShader gObjectShinyProgram;
extern LLGLSLShader gObjectShinyWaterProgram;
//environment shaders
extern LLGLSLShader gTerrainProgram;
extern LLGLSLShader gTerrainWaterProgram;
extern LLGLSLShader gWaterProgram;
extern LLGLSLShader gUnderWaterProgram;
extern LLGLSLShader gGlowProgram;
extern LLGLSLShader gGlowExtractProgram;
//interface shaders
extern LLGLSLShader gHighlightProgram;
// avatar shader handles
extern LLGLSLShader gAvatarProgram;
extern LLGLSLShader gAvatarWaterProgram;
extern LLGLSLShader gAvatarEyeballProgram;
extern LLGLSLShader gAvatarPickProgram;
// WindLight shader handles
extern LLGLSLShader gWLSkyProgram;
extern LLGLSLShader gWLCloudProgram;
// Post Process Shaders
extern LLGLSLShader gPostColorFilterProgram;
extern LLGLSLShader gPostNightVisionProgram;
// Deferred rendering shaders
extern LLGLSLShader gDeferredImpostorProgram;
extern LLGLSLShader gDeferredEdgeProgram;
extern LLGLSLShader gDeferredWaterProgram;
extern LLGLSLShader gDeferredDiffuseProgram;
extern LLGLSLShader gDeferredBumpProgram;
extern LLGLSLShader gDeferredTerrainProgram;
extern LLGLSLShader gDeferredTreeProgram;
extern LLGLSLShader gDeferredLightProgram;
extern LLGLSLShader gDeferredMultiLightProgram;
extern LLGLSLShader gDeferredSpotLightProgram;
extern LLGLSLShader gDeferredMultiSpotLightProgram;
extern LLGLSLShader gDeferredSunProgram;
extern LLGLSLShader gDeferredGIProgram;
extern LLGLSLShader gDeferredGIFinalProgram;
extern LLGLSLShader gDeferredBlurLightProgram;
extern LLGLSLShader gDeferredAvatarProgram;
extern LLGLSLShader gDeferredSoftenProgram;
extern LLGLSLShader gDeferredShadowProgram;
extern LLGLSLShader gDeferredPostGIProgram;
extern LLGLSLShader gDeferredPostProgram;
extern LLGLSLShader gDeferredAvatarShadowProgram;
extern LLGLSLShader gDeferredAlphaProgram;
extern LLGLSLShader gDeferredFullbrightProgram;
extern LLGLSLShader gDeferredAvatarAlphaProgram;
extern LLGLSLShader gLuminanceGatherProgram;
//current avatar shader parameter pointer
extern GLint gAvatarMatrixParam;
#endif
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