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#ifndef __BL_SHADER_H__
#define __BL_SHADER_H__
#include "PyObjectPlus.h"
#include "BL_Material.h"
#include "BL_Texture.h"
// --
#include "MT_Matrix4x4.h"
#include "MT_Matrix3x3.h"
#include "MT_Tuple2.h"
#include "MT_Tuple3.h"
#include "MT_Tuple4.h"
#define SHADER_ATTRIBMAX 1
/**
* BL_Sampler
* Sampler access
*/
class BL_Sampler
{
public:
BL_Sampler():
mLoc(-1)
{
}
int mLoc; // Sampler location
};
/**
* BL_Uniform
* uniform storage
*/
class BL_Uniform
{
private:
int mLoc; // Uniform location
void* mData; // Memory allocated for variable
bool mDirty; // Caching variable
int mType; // Enum UniformTypes
bool mTranspose; // Transpose matrices
const int mDataLen; // Length of our data
public:
BL_Uniform(int data_size);
~BL_Uniform();
void Apply(class BL_Shader *shader);
void SetData(int location, int type, bool transpose=false);
enum UniformTypes {
UNI_NONE =0,
UNI_INT,
UNI_FLOAT,
UNI_INT2,
UNI_FLOAT2,
UNI_INT3,
UNI_FLOAT3,
UNI_INT4,
UNI_FLOAT4,
UNI_MAT3,
UNI_MAT4,
UNI_MAX
};
int GetLocation() { return mLoc; }
void* getData() { return mData; }
};
/**
* BL_DefUniform
* pre defined uniform storage
*/
class BL_DefUniform
{
public:
BL_DefUniform() :
mType(0),
mLoc(0),
mFlag(0)
{
}
int mType;
int mLoc;
unsigned int mFlag;
};
/**
* BL_Shader
* shader access
*/
class BL_Shader : public PyObjectPlus
{
Py_Header;
private:
typedef std::vector<BL_Uniform*> BL_UniformVec;
typedef std::vector<BL_DefUniform*> BL_UniformVecDef;
unsigned int mShader; // Shader object
int mPass; // 1.. unused
bool mOk; // Valid and ok
bool mUse; // ...
//BL_Sampler mSampler[MAXTEX]; // Number of samplers
int mAttr; // Tangent attribute
const char* vertProg; // Vertex program string
const char* fragProg; // Fragment program string
bool mError; // ...
bool mDirty; //
// Compiles and links the shader
bool LinkProgram();
// Stored uniform variables
BL_UniformVec mUniforms;
BL_UniformVecDef mPreDef;
// search by location
BL_Uniform* FindUniform(const int location);
// clears uniform data
void ClearUniforms();
public:
BL_Shader();
virtual ~BL_Shader();
// Unused for now tangent is set as
// tex coords
enum AttribTypes {
SHD_TANGENT =1
};
enum GenType {
MODELVIEWMATRIX,
MODELVIEWMATRIX_TRANSPOSE,
MODELVIEWMATRIX_INVERSE,
MODELVIEWMATRIX_INVERSETRANSPOSE,
// Model matrix
MODELMATRIX,
MODELMATRIX_TRANSPOSE,
MODELMATRIX_INVERSE,
MODELMATRIX_INVERSETRANSPOSE,
// View Matrix
VIEWMATRIX,
VIEWMATRIX_TRANSPOSE,
VIEWMATRIX_INVERSE,
VIEWMATRIX_INVERSETRANSPOSE,
// Current camera position
CAM_POS,
// RAS timer
CONSTANT_TIMER
};
const char* GetVertPtr();
const char* GetFragPtr();
void SetVertPtr( char *vert );
void SetFragPtr( char *frag );
// ---
int getNumPass() {return mPass;}
bool GetError() {return mError;}
// ---
//const BL_Sampler* GetSampler(int i);
void SetSampler(int loc, int unit);
bool Ok()const;
unsigned int GetProg();
void SetProg(bool enable);
int GetAttribute(){return mAttr;};
// --
// Apply methods : sets colected uniforms
void ApplyShader();
void UnloadShader();
// Update predefined uniforms each render call
void Update(const class RAS_MeshSlot & ms, class RAS_IRasterizer* rasty);
//// Set sampler units (copied)
//void InitializeSampler(int unit, BL_Texture* texture );
void SetUniformfv(int location,int type, float *param, int size,bool transpose=false);
void SetUniformiv(int location,int type, int *param, int size,bool transpose=false);
int GetAttribLocation(const STR_String& name);
void BindAttribute(const STR_String& attr, int loc);
int GetUniformLocation(const STR_String& name);
void SetUniform(int uniform, const MT_Tuple2& vec);
void SetUniform(int uniform, const MT_Tuple3& vec);
void SetUniform(int uniform, const MT_Tuple4& vec);
void SetUniform(int uniform, const MT_Matrix4x4& vec, bool transpose=false);
void SetUniform(int uniform, const MT_Matrix3x3& vec, bool transpose=false);
void SetUniform(int uniform, const float& val);
void SetUniform(int uniform, const float* val, int len);
void SetUniform(int uniform, const int* val, int len);
void SetUniform(int uniform, const unsigned int& val);
void SetUniform(int uniform, const int val);
// Python interface
virtual PyObject* py_repr(void) { return PyUnicode_FromFormat("BL_Shader\n\tvertex shader:%s\n\n\tfragment shader%s\n\n", vertProg, fragProg); }
// -----------------------------------
KX_PYMETHOD_DOC( BL_Shader, setSource );
KX_PYMETHOD_DOC( BL_Shader, delSource );
KX_PYMETHOD_DOC( BL_Shader, getVertexProg );
KX_PYMETHOD_DOC( BL_Shader, getFragmentProg );
KX_PYMETHOD_DOC( BL_Shader, setNumberOfPasses );
KX_PYMETHOD_DOC( BL_Shader, isValid);
KX_PYMETHOD_DOC( BL_Shader, validate);
// -----------------------------------
KX_PYMETHOD_DOC( BL_Shader, setUniform4f );
KX_PYMETHOD_DOC( BL_Shader, setUniform3f );
KX_PYMETHOD_DOC( BL_Shader, setUniform2f );
KX_PYMETHOD_DOC( BL_Shader, setUniform1f );
KX_PYMETHOD_DOC( BL_Shader, setUniform4i );
KX_PYMETHOD_DOC( BL_Shader, setUniform3i );
KX_PYMETHOD_DOC( BL_Shader, setUniform2i );
KX_PYMETHOD_DOC( BL_Shader, setUniform1i );
KX_PYMETHOD_DOC( BL_Shader, setUniformfv );
KX_PYMETHOD_DOC( BL_Shader, setUniformiv );
KX_PYMETHOD_DOC( BL_Shader, setUniformMatrix4 );
KX_PYMETHOD_DOC( BL_Shader, setUniformMatrix3 );
KX_PYMETHOD_DOC( BL_Shader, setUniformDef );
KX_PYMETHOD_DOC( BL_Shader, setAttrib );
KX_PYMETHOD_DOC( BL_Shader, setSampler);
};
#endif//__BL_SHADER_H__
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