Torque3D/Engine/source/shaderGen/GLSL/shaderFeatureGLSL.h
2017-05-28 16:51:31 -05:00

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//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#ifndef _SHADERGEN_GLSL_SHADERFEATUREGLSL_H_
#define _SHADERGEN_GLSL_SHADERFEATUREGLSL_H_
#ifndef _SHADERFEATURE_H_
#include "shaderGen/shaderFeature.h"
#endif
struct LangElement;
struct MaterialFeatureData;
struct RenderPassData;
class ShaderFeatureGLSL : public ShaderFeature
{
public:
ShaderFeatureGLSL();
///
Var* getOutTexCoord( const char *name,
const char *type,
bool useTexAnim,
MultiLine *meta,
Vector<ShaderComponent*> &componentList );
/// Returns an input texture coord by name adding it
/// to the input connector if it doesn't exist.
static Var* getInTexCoord( const char *name,
const char *type,
Vector<ShaderComponent*> &componentList );
static Var* getInColor( const char *name,
const char *type,
Vector<ShaderComponent*> &componentList );
///
static Var* addOutVpos( MultiLine *meta,
Vector<ShaderComponent*> &componentList );
/// Returns the VPOS input register for the pixel shader.
static Var* getInVpos( MultiLine *meta,
Vector<ShaderComponent*> &componentList );
/// Returns the "objToTangentSpace" transform or creates one if this
/// is the first feature to need it.
Var* getOutObjToTangentSpace( Vector<ShaderComponent*> &componentList,
MultiLine *meta,
const MaterialFeatureData &fd );
/// Returns the existing output "outWorldToTangent" transform or
/// creates one if this is the first feature to need it.
Var* getOutWorldToTangent( Vector<ShaderComponent*> &componentList,
MultiLine *meta,
const MaterialFeatureData &fd );
/// Returns the input "worldToTanget" space transform
/// adding it to the input connector if it doesn't exist.
static Var* getInWorldToTangent( Vector<ShaderComponent*> &componentList );
/// Returns the existing output "outViewToTangent" transform or
/// creates one if this is the first feature to need it.
Var* getOutViewToTangent( Vector<ShaderComponent*> &componentList,
MultiLine *meta,
const MaterialFeatureData &fd );
/// Returns the input "viewToTangent" space transform
/// adding it to the input connector if it doesn't exist.
static Var* getInViewToTangent( Vector<ShaderComponent*> &componentList );
/// Calculates the world space position in the vertex shader and
/// assigns it to the passed language element. It does not pass
/// it across the connector to the pixel shader.
/// @see addOutWsPosition
void getWsPosition( Vector<ShaderComponent*> &componentList,
bool useInstancing,
MultiLine *meta,
LangElement *wsPosition );
/// Adds the "wsPosition" to the input connector if it doesn't exist.
Var* addOutWsPosition( Vector<ShaderComponent*> &componentList,
bool useInstancing,
MultiLine *meta );
/// Returns the input world space position from the connector.
static Var* getInWsPosition( Vector<ShaderComponent*> &componentList );
/// Returns the world space view vector from the wsPosition.
static Var* getWsView( Var *wsPosition, MultiLine *meta );
/// Returns the input normal map texture.
static Var* getNormalMapTex();
///
Var* addOutDetailTexCoord( Vector<ShaderComponent*> &componentList,
MultiLine *meta,
bool useTexAnim );
///
Var* getObjTrans( Vector<ShaderComponent*> &componentList,
bool useInstancing,
MultiLine *meta );
///
Var* getModelView( Vector<ShaderComponent*> &componentList,
bool useInstancing,
MultiLine *meta );
///
Var* getWorldView( Vector<ShaderComponent*> &componentList,
bool useInstancing,
MultiLine *meta );
///
Var* getInvWorldView( Vector<ShaderComponent*> &componentList,
bool useInstancing,
MultiLine *meta );
// ShaderFeature
Var* getVertTexCoord( const String &name );
LangElement* setupTexSpaceMat( Vector<ShaderComponent*> &componentList, Var **texSpaceMat );
LangElement* assignColor( LangElement *elem, Material::BlendOp blend, LangElement *lerpElem = NULL, ShaderFeature::OutputTarget outputTarget = ShaderFeature::DefaultTarget );
LangElement* expandNormalMap( LangElement *sampleNormalOp, LangElement *normalDecl, LangElement *normalVar, const MaterialFeatureData &fd );
};
class NamedFeatureGLSL : public ShaderFeatureGLSL
{
protected:
String mName;
public:
NamedFeatureGLSL( const String &name )
: mName( name )
{}
virtual String getName() { return mName; }
};
class RenderTargetZeroGLSL : public ShaderFeatureGLSL
{
protected:
ShaderFeature::OutputTarget mOutputTargetMask;
String mFeatureName;
public:
RenderTargetZeroGLSL( const ShaderFeature::OutputTarget target )
: mOutputTargetMask( target )
{
char buffer[256];
dSprintf(buffer, sizeof(buffer), "Render Target Output = 0.0, output mask %04b", mOutputTargetMask);
mFeatureName = buffer;
}
virtual String getName() { return mFeatureName; }
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual U32 getOutputTargets( const MaterialFeatureData &fd ) const { return mOutputTargetMask; }
};
/// Vertex position
class VertPositionGLSL : public ShaderFeatureGLSL
{
public:
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual String getName()
{
return "Vert Position";
}
virtual void determineFeature( Material *material,
const GFXVertexFormat *vertexFormat,
U32 stageNum,
const FeatureType &type,
const FeatureSet &features,
MaterialFeatureData *outFeatureData );
};
/// Vertex lighting based on the normal and the light
/// direction passed through the vertex color.
class RTLightingFeatGLSL : public ShaderFeatureGLSL
{
protected:
ShaderIncludeDependency mDep;
public:
RTLightingFeatGLSL();
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual Material::BlendOp getBlendOp(){ return Material::None; }
virtual Resources getResources( const MaterialFeatureData &fd );
virtual String getName()
{
return "RT Lighting";
}
};
/// Base texture
class DiffuseMapFeatGLSL : public ShaderFeatureGLSL
{
protected:
ShaderIncludeDependency mTorqueDep;
public:
DiffuseMapFeatGLSL();
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual U32 getOutputTargets(const MaterialFeatureData &fd) const;
virtual Material::BlendOp getBlendOp(){ return Material::LerpAlpha; }
virtual Resources getResources( const MaterialFeatureData &fd );
// Sets textures and texture flags for current pass
virtual void setTexData( Material::StageData &stageDat,
const MaterialFeatureData &fd,
RenderPassData &passData,
U32 &texIndex );
virtual String getName()
{
return "Base Texture";
}
};
/// Overlay texture
class OverlayTexFeatGLSL : public ShaderFeatureGLSL
{
public:
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual Material::BlendOp getBlendOp(){ return Material::LerpAlpha; }
virtual Resources getResources( const MaterialFeatureData &fd );
// Sets textures and texture flags for current pass
virtual void setTexData( Material::StageData &stageDat,
const MaterialFeatureData &fd,
RenderPassData &passData,
U32 &texIndex );
virtual String getName()
{
return "Overlay Texture";
}
};
/// Diffuse color
class DiffuseFeatureGLSL : public ShaderFeatureGLSL
{
public:
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual Material::BlendOp getBlendOp(){ return Material::None; }
virtual U32 getOutputTargets(const MaterialFeatureData &fd) const;
virtual String getName()
{
return "Diffuse Color";
}
};
/// Diffuse vertex color
class DiffuseVertColorFeatureGLSL : public ShaderFeatureGLSL
{
public:
virtual void processVert( Vector< ShaderComponent* >& componentList,
const MaterialFeatureData& fd );
virtual void processPix( Vector< ShaderComponent* >&componentList,
const MaterialFeatureData& fd );
virtual Material::BlendOp getBlendOp(){ return Material::None; }
virtual String getName()
{
return "Diffuse Vertex Color";
}
};
/// Lightmap
class LightmapFeatGLSL : public ShaderFeatureGLSL
{
public:
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual Material::BlendOp getBlendOp(){ return Material::LerpAlpha; }
virtual Resources getResources( const MaterialFeatureData &fd );
// Sets textures and texture flags for current pass
virtual void setTexData( Material::StageData &stageDat,
const MaterialFeatureData &fd,
RenderPassData &passData,
U32 &texIndex );
virtual String getName()
{
return "Lightmap";
}
virtual U32 getOutputTargets( const MaterialFeatureData &fd ) const;
};
/// Tonemap
class TonemapFeatGLSL : public ShaderFeatureGLSL
{
public:
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual Material::BlendOp getBlendOp(){ return Material::LerpAlpha; }
virtual Resources getResources( const MaterialFeatureData &fd );
// Sets textures and texture flags for current pass
virtual void setTexData( Material::StageData &stageDat,
const MaterialFeatureData &fd,
RenderPassData &passData,
U32 &texIndex );
virtual String getName()
{
return "Tonemap";
}
virtual U32 getOutputTargets( const MaterialFeatureData &fd ) const;
};
/// Baked lighting stored on the vertex color
class VertLitGLSL : public ShaderFeatureGLSL
{
public:
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual Material::BlendOp getBlendOp(){ return Material::None; }
virtual String getName()
{
return "Vert Lit";
}
virtual U32 getOutputTargets( const MaterialFeatureData &fd ) const;
};
/// Detail map
class DetailFeatGLSL : public ShaderFeatureGLSL
{
public:
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual Resources getResources( const MaterialFeatureData &fd );
virtual Material::BlendOp getBlendOp(){ return Material::Mul; }
// Sets textures and texture flags for current pass
virtual void setTexData( Material::StageData &stageDat,
const MaterialFeatureData &fd,
RenderPassData &passData,
U32 &texIndex );
virtual String getName()
{
return "Detail";
}
};
/// Reflect Cubemap
class ReflectCubeFeatGLSL : public ShaderFeatureGLSL
{
public:
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual Resources getResources( const MaterialFeatureData &fd );
// Sets textures and texture flags for current pass
virtual void setTexData( Material::StageData &stageDat,
const MaterialFeatureData &fd,
RenderPassData &passData,
U32 &texIndex );
virtual String getName()
{
return "Reflect Cube";
}
};
/// Fog
class FogFeatGLSL : public ShaderFeatureGLSL
{
protected:
ShaderIncludeDependency mFogDep;
public:
FogFeatGLSL();
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual Resources getResources( const MaterialFeatureData &fd );
virtual Material::BlendOp getBlendOp() { return Material::LerpAlpha; }
virtual String getName()
{
return "Fog";
}
};
/// Tex Anim
class TexAnimGLSL : public ShaderFeatureGLSL
{
public:
virtual Material::BlendOp getBlendOp() { return Material::None; }
virtual String getName()
{
return "Texture Animation";
}
};
/// Visibility
class VisibilityFeatGLSL : public ShaderFeatureGLSL
{
protected:
ShaderIncludeDependency mTorqueDep;
public:
VisibilityFeatGLSL();
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual Resources getResources( const MaterialFeatureData &fd );
virtual Material::BlendOp getBlendOp() { return Material::None; }
virtual String getName()
{
return "Visibility";
}
};
///
class AlphaTestGLSL : public ShaderFeatureGLSL
{
public:
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual Material::BlendOp getBlendOp() { return Material::None; }
virtual String getName()
{
return "Alpha Test";
}
};
/// Special feature used to mask out the RGB color for
/// non-glow passes of glow materials.
/// @see RenderGlowMgr
class GlowMaskGLSL : public ShaderFeatureGLSL
{
public:
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual Material::BlendOp getBlendOp() { return Material::None; }
virtual String getName()
{
return "Glow Mask";
}
};
/// This should be the final feature on most pixel shaders which
/// encodes the color for the current HDR target format.
/// @see HDRPostFx
/// @see LightManager
/// @see torque.glsl
class HDROutGLSL : public ShaderFeatureGLSL
{
protected:
ShaderIncludeDependency mTorqueDep;
public:
HDROutGLSL();
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual Material::BlendOp getBlendOp() { return Material::None; }
virtual String getName() { return "HDR Output"; }
};
///
class FoliageFeatureGLSL : public ShaderFeatureGLSL
{
protected:
ShaderIncludeDependency mDep;
public:
FoliageFeatureGLSL();
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual String getName()
{
return "Foliage Feature";
}
virtual void determineFeature( Material *material,
const GFXVertexFormat *vertexFormat,
U32 stageNum,
const FeatureType &type,
const FeatureSet &features,
MaterialFeatureData *outFeatureData );
virtual ShaderFeatureConstHandles* createConstHandles( GFXShader *shader, SimObject *userObject );
};
class ParticleNormalFeatureGLSL : public ShaderFeatureGLSL
{
public:
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual String getName()
{
return "Particle Normal Generation Feature";
}
};
/// Special feature for unpacking imposter verts.
/// @see RenderImposterMgr
class ImposterVertFeatureGLSL : public ShaderFeatureGLSL
{
protected:
ShaderIncludeDependency mDep;
public:
ImposterVertFeatureGLSL();
virtual void processVert( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual void processPix( Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd );
virtual String getName() { return "Imposter Vert"; }
virtual void determineFeature( Material *material,
const GFXVertexFormat *vertexFormat,
U32 stageNum,
const FeatureType &type,
const FeatureSet &features,
MaterialFeatureData *outFeatureData );
};
/// Hardware Skinning
class HardwareSkinningFeatureGLSL : public ShaderFeatureGLSL
{
protected:
public:
virtual void processVert(Vector<ShaderComponent*> &componentList,
const MaterialFeatureData &fd);
virtual String getName() { return "Hardware Skinning"; }
};
#endif // _SHADERGEN_GLSL_SHADERFEATUREGLSL_H_