root/trunk/thune/gl/shader.h

#ifndef SHADER_H
#define SHADER_H
/*============================================================================
    Thune OpenGL Module
    Copyright (C) 2005-2008  Karl Robillard

    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; either
    version 2.1 of the License, or (at your option) any later version.

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
===========================================================================*/


typedef struct
{
    GLenum type;
    GLint  location;
    UAtom  name;
}
ShaderParam;


typedef struct
{
    GLuint program;
    int    paramCount;
    ShaderParam param[1];
}
Shader;


int  makeShader( UThread*, UCell*, const char* vert, const char* frag );
void loadShader( UThread*, UCell* );
void destroyShader( Shader* );
void setUniform( UThread*, UAtom name, UCell* );
void setShaderUniforms( const Shader*, const UBlock* );
int  shaderTextureUnit( const Shader*, UAtom name );
Shader* shaderContext( UThread*, const UCell*, UBlock** blkPtr );


#endif /*SHADER_H*/