SafeShader::SafeShader( ci::DataSourceRef vertexShader, ci::DataSourceRef fragmentShader, ci::DataSourceRef geometryShader,
GLint geometryInputType, GLint geometryOutputType, GLint geometryOutputVertices)
{
try {
mObj = shared_ptr<Obj>( new Obj );
mObj->mHandle = glCreateProgram();
if ( vertexShader )
loadShader( vertexShader->getBuffer(), GL_VERTEX_SHADER_ARB );
if( fragmentShader )
loadShader( fragmentShader->getBuffer(), GL_FRAGMENT_SHADER_ARB );
if( geometryShader ) {
loadShader( geometryShader->getBuffer(), GL_GEOMETRY_SHADER_EXT );
glProgramParameteriEXT(mObj->mHandle, GL_GEOMETRY_INPUT_TYPE_EXT, geometryInputType);
glProgramParameteriEXT(mObj->mHandle, GL_GEOMETRY_OUTPUT_TYPE_EXT, geometryOutputType);
glProgramParameteriEXT(mObj->mHandle, GL_GEOMETRY_VERTICES_OUT_EXT, geometryOutputVertices);
}
link();
}
catch( gl::GlslProgCompileExc exc ){
cout << exc.what() << endl;
}
}
std::map<std::string, std::string> splitShaderSource(ci::DataSourceRef source)
{
using namespace std;
ci::Buffer buffer = source->getBuffer();
string str(static_cast<char*>(buffer.getData()), buffer.getDataSize());
string del("---");
vector<string> splitted;
split(str, del, insert_iterator<vector<string> >(splitted, splitted.begin()));
\
vector<string>::iterator it = splitted.begin();
++it; // skip header
map<string, string> sources;
for(; it != splitted.end(); ++it) {
string key(*it);
++it;
string value(*it);
sources.insert( pair<string, string>(key, value) );
// printf("key '%s' '%s'", key.c_str(), value.c_str());
}
return sources;
}
void License::setKey( ci::DataSourceRef dataSource )
{
Buffer buf = dataSource->getBuffer();
size_t dataSize = buf.getDataSize();
shared_ptr<char> bufString( new char[dataSize+1], checked_array_deleter<char>() );
memcpy( bufString.get(), buf.getData(), buf.getDataSize() );
bufString.get()[dataSize] = 0;
string publicKey( bufString.get() );
mPublicKey = publicKey;
}
void Shader::loadShader( ci::DataSourceRef shaderSourceRef, GLint shaderType, GLint geometryInputType, GLint geometryOutputType, GLint geometryOutputVertices )
{
if( shaderSourceRef ){
mSource[shaderType] = shaderSourceRef;
mLastTime[shaderType] = ci::fs::last_write_time( shaderSourceRef->getFilePath() );
GlslProg::loadShader( shaderSourceRef->getBuffer(), shaderType );
if( shaderType == GL_GEOMETRY_SHADER_EXT ){
glProgramParameteriEXT(mObj->mHandle, GL_GEOMETRY_INPUT_TYPE_EXT, geometryInputType);
glProgramParameteriEXT(mObj->mHandle, GL_GEOMETRY_OUTPUT_TYPE_EXT, geometryOutputType);
glProgramParameteriEXT(mObj->mHandle, GL_GEOMETRY_VERTICES_OUT_EXT, geometryOutputVertices);
mGeometryData = GeomData( geometryInputType, geometryOutputType, geometryOutputVertices );
}
}
}