OgreShaderFFPLighting.h
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/*
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#ifndef _ShaderFFPLighting_
#define _ShaderFFPLighting_
#include "OgreShaderPrerequisites.h"
#ifdef RTSHADER_SYSTEM_BUILD_CORE_SHADERS
#include "OgreShaderParameter.h"
#include "OgreShaderSubRenderState.h"
#include "OgreVector4.h"
#include "OgreLight.h"
#include "OgreCommon.h"
namespace Ogre {
namespace RTShader {
class _OgreRTSSExport FFPLighting : public SubRenderState
{
// Interface.
public:
FFPLighting();
virtual const String& getType() const;
virtual int getExecutionOrder() const;
virtual void updateGpuProgramsParams(Renderable* rend, Pass* pass, const AutoParamDataSource* source, const LightList* pLightList);
virtual void copyFrom(const SubRenderState& rhs);
virtual bool preAddToRenderState(const RenderState* renderState, Pass* srcPass, Pass* dstPass);
static String Type;
// Protected types:
protected:
// Per light parameters.
struct _OgreRTSSExport LightParams
{
Light::LightTypes mType; // Light type.
// Light position.
UniformParameterPtr mPosition;
// Light direction.
UniformParameterPtr mDirection;
// Attenuation parameters.
UniformParameterPtr mAttenuatParams;
// Spot light parameters.
UniformParameterPtr mSpotParams;
// Diffuse colour.
UniformParameterPtr mDiffuseColour;
// Specular colour.
UniformParameterPtr mSpecularColour;
};
typedef vector<LightParams>::type LightParamsList;
typedef LightParamsList::iterator LightParamsIterator;
typedef LightParamsList::const_iterator LightParamsConstIterator;
// Protected methods
protected:
void setTrackVertexColourType(TrackVertexColourType type) { mTrackVertexColourType = type; }
TrackVertexColourType getTrackVertexColourType() const { return mTrackVertexColourType; }
void setLightCount(const int lightCount[3]);
void getLightCount(int lightCount[3]) const;
void setSpecularEnable(bool enable) { mSpecularEnable = enable; }
bool getSpecularEnable() const { return mSpecularEnable; }
virtual bool resolveParameters(ProgramSet* programSet);
virtual bool resolveDependencies(ProgramSet* programSet);
virtual bool addFunctionInvocations(ProgramSet* programSet);
bool addGlobalIlluminationInvocation(Function* vsMain, const int groupOrder, int& internalCounter);
bool addIlluminationInvocation(LightParams* curLightParams, Function* vsMain, const int groupOrder, int& internalCounter);
// Attributes.
protected:
// Track per vertex colour type.
TrackVertexColourType mTrackVertexColourType;
// Specular component enabled/disabled.
bool mSpecularEnable;
// Light list.
LightParamsList mLightParamsList;
// World view matrix parameter.
UniformParameterPtr mWorldViewMatrix;
// World view matrix inverse transpose parameter.
UniformParameterPtr mWorldViewITMatrix;
// Vertex shader input position parameter.
ParameterPtr mVSInPosition;
// Vertex shader input normal.
ParameterPtr mVSInNormal;
// Vertex shader diffuse.
ParameterPtr mVSDiffuse;
// Vertex shader output diffuse colour parameter.
ParameterPtr mVSOutDiffuse;
// Vertex shader output specular colour parameter.
ParameterPtr mVSOutSpecular;
// Derived scene colour parameter.
UniformParameterPtr mDerivedSceneColour;
// Ambient light colour parameter.
UniformParameterPtr mLightAmbientColour;
// Derived ambient light colour parameter.
UniformParameterPtr mDerivedAmbientLightColour;
// Surface ambient colour parameter.
UniformParameterPtr mSurfaceAmbientColour;
// Surface diffuse colour parameter.
UniformParameterPtr mSurfaceDiffuseColour;
// Surface specular colour parameter.
UniformParameterPtr mSurfaceSpecularColour;
// Surface emissive colour parameter.
UniformParameterPtr mSurfaceEmissiveColour;
// Surface shininess parameter.
UniformParameterPtr mSurfaceShininess;
// Shared blank light.
static Light msBlankLight;
};
class _OgreRTSSExport FFPLightingFactory : public SubRenderStateFactory
{
public:
virtual const String& getType() const;
virtual SubRenderState* createInstance(ScriptCompiler* compiler, PropertyAbstractNode* prop, Pass* pass, SGScriptTranslator* translator);
virtual void writeInstance(MaterialSerializer* ser, SubRenderState* subRenderState, Pass* srcPass, Pass* dstPass);
protected:
virtual SubRenderState* createInstanceImpl();
};
}
}
#endif
#endif
OgreVector4.h
Ogre::RTShader::UniformParameterPtr
SharedPtr< UniformParameter > UniformParameterPtr
Definition: OgreShaderParameter.h:568
Ogre::LightList
HashedVector< Light * > LightList
Definition: OgreCommon.h:541
Ogre::vector::type
std::vector< T, A > type
Definition: OgrePrerequisites.h:494
OgreShaderParameter.h
OgreShaderPrerequisites.h
Ogre::RTShader::ParameterPtr
SharedPtr< Parameter > ParameterPtr
Definition: OgreShaderParameter.h:369
OgreCommon.h
Ogre::TrackVertexColourType
int TrackVertexColourType
An enumeration describing which material properties should track the vertex colours.
Definition: OgreCommon.h:276
Ogre::String
_StringBase String
Definition: OgrePrerequisites.h:439
OgreShaderSubRenderState.h
_OgreRTSSExport
#define _OgreRTSSExport
Definition: OgreShaderPrerequisites.h:108
Ogre
Definition: OgreAndroidLogListener.h:34
Ogre::Light::LightTypes
LightTypes
Defines the type of light.
Definition: OgreLight.h:82
OgreLight.h

Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.