void GLSLProgram::createFromSourceStrings
(
GLSLProgram & prog,
const std::string &shader,
unsigned int shaderType,
const GLuint & geomIn ,
const GLuint & geomOut
)
{
prog.clear();
prog.handle_ = glCreateProgram();
prog._geomIn = geomIn;
prog._geomOut = geomOut;
switch ( shaderType )
{
case GL_VERTEX_SHADER_ARB:
prog.vertex_ = new GLSLShader ( shader, shaderType );
prog.attach ( prog.vertex_ );
break;
case GL_GEOMETRY_SHADER_EXT:
prog.geometry_ = new GLSLShader ( shader, shaderType );
prog.attach ( prog.geometry_ );
if ( ( prog._geomIn == 0 ) || ( prog._geomOut == 0 ) )
{
_ERROR ( "invalid geomin/geomout" );
throw "invalid geomin/geomout at ";
}
break;
case GL_FRAGMENT_SHADER_ARB:
prog.fragment_ = new GLSLShader ( shader, shaderType );
prog.attach ( prog.fragment_ );
break;
}
prog.link();
}
void GLSLProgram::createFromSourceStrings
( GLSLProgram &prog,
const std::string &vertexShader,
const std::string &geometryShader,
const std::string &fragmentShader,
const GLuint &geomIn,
const GLuint &geomOut
)
{
prog.clear();
prog.handle_ = glCreateProgram();
prog._geomIn = geomIn;
prog._geomOut = geomOut;
if ( vertexShader.size() != 0 )
{
prog.vertex_ = new GLSLShader ( GL_VERTEX_SHADER_ARB );
prog.vertex_->setShaderSource ( vertexShader );
prog.vertex_->compile();
prog.attach ( prog.vertex_ );
}
if ( geometryShader.size() != 0 )
{
prog.geometry_ = new GLSLShader ( GL_GEOMETRY_SHADER_EXT );
prog.geometry_->setShaderSource ( geometryShader );
prog.geometry_->compile();
prog.attach ( prog.geometry_ );
}
if ( fragmentShader.size() != 0 )
{
prog.fragment_ = new GLSLShader ( GL_FRAGMENT_SHADER_ARB );
prog.fragment_->setShaderSource ( fragmentShader );
prog.fragment_->compile();
prog.attach ( prog.fragment_ );
}
prog.link();
}
