bool ShaderProgram::Link()
{
glLinkProgram( id );
GLint success;
glGetProgramiv( id, GL_LINK_STATUS, &success );
bool isValid = ( success == GL_TRUE );
if( !isValid )
{
PrintInfoLog();
return false;
}
// Get active attributes for attribute map creation
glGetProgramiv( id, GL_ACTIVE_ATTRIBUTES, &numAttributes );
attrArray = new ShaderAttribute * [ numAttributes ];
// Get active uniforms for parameter map creation
glGetProgramiv( id, GL_ACTIVE_UNIFORMS, &numParams );
uniformsArray = new Uniform * [ numParams ];
RetrieveAttributes();
RetrieveParameters();
// Bind attributes
for( int i=0; i<numAttributes; i++ )
glBindAttribLocation( id, attrArray[i]->location, attrArray[i]->name.c_str() );
// Detach after linking
for( int i=0; i<shadersArray.size(); i++ )
{
DetachShader( shadersArray[i] );
}
return true;
}
GL_APICALL void GL_APIENTRY glDetachShader (GLuint program, GLuint shader)
{
CONTEXT_EXEC(DetachShader(program, shader));
}