/*! \brief Reads kernel functions from a string into this Program.
*
* The string object can contain multiple OpenCL kernel
* functions. It deletes all comments and if the kernels
* are templated, it substitutes the template parameter
* with the provided types. For each Kernel function
* a Kernel object is built and stored within a map.
* The map stores the name of the kernel function and
* the corresponding function.
* Note that DEFINES are not supported yet.
*/
ocl::Program& ocl::Program::operator << (const std::string &k)
{
std::string kernels = k;
eraseComments(kernels);
//DEBUG_COMMENT(kernels);
size_t pos = 0;
while(pos < kernels.npos){
const std::string& next = nextKernel(kernels, pos);
if(next.empty()) return *this;
pos += next.length();
if(_types.empty() || !ocl::Kernel::templated(next)){
ocl::Kernel *kernel = new ocl::Kernel(*this, next);
if(this->isBuilt()) kernel->create();
//DEBUG_COMMENT("Creating kernel " << kernel->name() << std::endl << kernel->toString() );
_kernels[kernel->name()] = kernel;
continue;
}
for(utl::Types::const_iterator it = _types.begin(); it != _types.end(); ++it)
{
const utl::Type &type = **it;
ocl::Kernel *kernel = new ocl::Kernel(*this, next, type);
if(this->isBuilt()) kernel->create();
//DEBUG_COMMENT("Creating kernel " << kernel->name() << std::endl << kernel->toString() );
_kernels[kernel->name()] = kernel;
}
}
return *this;
}
/*! \brief Reads kernel functions from a string into this Program.
*
* The string object can contain multiple OpenCL kernel
* functions. It deletes all comments and if the kernels
* are templated, it substitutes the template parameter
* with the provided types. For each Kernel function
* a Kernel object is built and stored within a map.
* The map stores the name of the kernel function and
* the corresponding function.
* Note that DEFINES are not supported yet.
*/
ocl::Program& ocl::Program::operator << (const std::string &k)
{
// std::cout << "kernels: " << _kernels.size() << " blocks: " << commonCodeBlocks_.size() << std::endl;
// if ( _kernels.empty() )
// {
// commonCodeBlocks_.resize( 0 );
// }
std::string kernels = k;
//#if 0 // For now disable comment removal as we need it to play a trick on the AMD compiler.
eraseComments(kernels);
//#endif
size_t pos = 0;
while(pos < kernels.npos){
const std::string next = nextKernel(kernels, pos);
if(next.empty()) {
commonCodeBlocks_.push_back( kernels.substr( pos ) );
break;
}
pos += next.length() + commonCodeBlocks_.back().length();
// std::cout << "COMMON CODE: " << commonCodeBlocks_.back();
// std::cout << "KERNEL CODE: " << next << std::endl;
if(_types.empty() || !ocl::Kernel::templated(next)){
std::unique_ptr< ocl::Kernel > kernel( new ocl::Kernel(*this, next) );
if(this->isBuilt()) kernel->create();
auto t = std::find_if( _kernels.begin(), _kernels.end(), [&kernel]( std::unique_ptr< Kernel > const& k ){ return kernel->name() == k->name(); } );
if ( t != _kernels.end() ) {
t->swap( kernel );
} else {
_kernels.push_back( std::move( kernel ) );
}
continue;
}
for(utl::Types::const_iterator it = _types.begin(); it != _types.end(); ++it)
{
const utl::Type& type = **it;
std::unique_ptr< ocl::Kernel > kernel( new ocl::Kernel(*this, next, type) );
if(this->isBuilt()) {
kernel->create();
}
Kernels::iterator t = std::find_if( _kernels.begin(), _kernels.end(), [&kernel]( std::unique_ptr< Kernel > const& k ){ return kernel->name() == k->name(); } );
if ( t != _kernels.end() ) {
t->swap( kernel );
} else {
_kernels.push_back( std::move( kernel ) );
}
// "Invent" common code blocks for kernels being generated by the type system.
if ( /*std::distance(it, _types.begin()) > 1*/ it != _types.begin() ) {
commonCodeBlocks_.push_back("\n");
}
}
}
commonCodeBlocks_.push_back( "" );
// std::cout << "Printing Program in StreamOperator:" << std::endl;
// this->print();
// std::cout << "-----------------------------------" << std::endl;
checkConstraints();
return *this;
}
