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#ifndef __BL_SHADER_H__
#define __BL_SHADER_H__
#include "PyObjectPlus.h"
#include "BL_Material.h"
// -----------------------------------
// user state management
typedef struct uSampler
{
unsigned int type;
int pass;
int unit;
int loc;
unsigned int glTexture;
}uSampler;
#define SAMP_2D 1
#define SAMP_CUBE 2
// -----------------------------------
typedef struct uBlending
{
unsigned int pass;
int src; // GL_ blend func values
int dest;
float const_color[4];
}uBlending;
// -----------------------------------
// ----------------
class BL_Shader : public PyObjectPlus
{
Py_Header;
private:
unsigned int mShader,
mVert,
mFrag;
int mPass;
bool mOk;
bool mUse;
uSampler mSampler[MAXTEX];
uBlending mBlending;
char* vertProg;
char* fragProg;
bool LinkProgram();
void printInfo(unsigned int pr);
public:
BL_Shader(int n, PyTypeObject *T=&Type);
virtual ~BL_Shader();
char* GetVertPtr();
char* GetFragPtr();
void SetVertPtr( char *vert );
void SetFragPtr( char *frag );
// ---
int getNumPass() {return mPass;}
bool use() {return mUse;}
// ---
// access
const uSampler* getSampler(int i);
const uBlending* getBlending( int pass );
const bool Ok()const;
unsigned int GetProg();
unsigned int GetVertexShader();
unsigned int GetFragmentShader();
void InitializeSampler(
int type,
int unit,
int pass,
unsigned int texture
);
// -----------------------------------
// python interface
virtual PyObject* _getattr(const STR_String& attr);
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 );
// these come from within the material buttons
// sampler2d/samplerCube work
KX_PYMETHOD_DOC( BL_Shader, setSampler);
// user blending funcs
KX_PYMETHOD_DOC( BL_Shader, setBlending );
};
#endif//__BL_SHADER_H__
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