bool ShaderProgram::upload_to(RenderContext const & context) const {
if ( !program_ || dirty_) {
std::list<scm::gl::shader_ptr> shaders;
ResourceFactory factory;
for (auto const& s : stages_) {
auto source = factory.resolve_substitutions(s.source, substitutions_);
shaders.push_back(context.render_device->create_shader(s.type, source));
}
if (interleaved_stream_capture_.empty()) {
program_ = context.render_device->create_program(shaders);
} else {
scm::gl::interleaved_stream_capture capture_array (interleaved_stream_capture_.front());
for (auto const& k : interleaved_stream_capture_)
capture_array(k);
program_ = context.render_device->create_program(
shaders, capture_array, in_rasterization_discard_);
}
dirty_ = false;
if (!program_) {
Logger::LOG_WARNING << "Failed to create shaders!" << std::endl;
return false;
}
}
return true;
}
bool ShaderProgram::upload_to(RenderContext const & context) const {
if (programs_.size() <= context.id || !programs_[context.id]) {
std::unique_lock<std::mutex> lock(upload_mutex_);
if (programs_.size() <= context.id) {
programs_.resize(context.id + 1);
}
std::list<scm::gl::shader_ptr> shaders;
for (auto const& s : stages_) {
shaders.push_back(
s.is_source
? context.render_device->create_shader(s.type, s.source)
: context.render_device->create_shader_from_file(s.type,
s.source));
}
if (interleaved_stream_capture_.empty()) {
programs_[context.id] =
context.render_device->create_program(shaders);
} else {
scm::gl::interleaved_stream_capture capture_array(
interleaved_stream_capture_.front());
auto k = interleaved_stream_capture_.begin();
while (++k != interleaved_stream_capture_.end()) {
capture_array(*k);
}
programs_[context.id] = context.render_device->create_program(
shaders, capture_array, in_rasterization_discard_);
//programs_[context.id] = context.render_device->create_program (
//shaders, capture_array, in_rasterization_discard_ );
}
if (!programs_[context.id]) {
Logger::LOG_WARNING << "Failed to create shaders!" << std::endl;
return false;
}
// if (programs_[context.id]->info_log() != "")
// std::cout << programs_[context.id]->info_log().c_str() << std::endl;
}
return true;
}
