/**
* Function for creating and holding of shared context.
* Generation and uploading of new textures over some period with sleep time.
*/
void AsyncFetcher::run()
{
EQASSERT( !_sharedContextWindow );
_sharedContextWindow = initSharedContextWindow( _wnd );
_outQueue.push( TextureId( )); // unlock pipe thread
if( !_sharedContextWindow )
return;
_objectManager = new ObjectManager( glewGetContext( ));
EQINFO << "async fetcher initialized: " << _wnd << std::endl;
int i = 0;
bool running = true;
co::base::sleep( 1000 ); // imitate loading of the first texture
while( running )
{
// generate new texture
eq::util::Texture* tx = _objectManager->newEqTexture( ++i,
GL_TEXTURE_2D );
tx->init( GL_RGBA8, 64, 64 );
int j = 0;
co::base::RNG rng;
for( int y = 0; y < 64; ++y )
{
for( int x = 0; x < 64; ++x )
{
const GLbyte rnd = rng.get< uint8_t >() % 127;
const GLbyte val = (x / 8) % 2 == (y / 8) % 2 ? rnd : 0;
_tmpTexture[ j++ ] = val;
_tmpTexture[ j++ ] = val;
_tmpTexture[ j++ ] = val;
_tmpTexture[ j++ ] = val;
}
}
tx->upload( 64, 64, _tmpTexture );
EQ_GL_CALL( glFinish( ));
// add new texture to the pool
_outQueue.push( TextureId( tx->getName( ), i ));
// imitate hard work of loading something else
co::base::sleep( rng.get< uint32_t >() % 5000u );
// clean unused textures
int keyToDelete = 0;
while( _inQueue.tryPop( keyToDelete ))
{
if( keyToDelete )
{
EQWARN << "Deleting eq texture " << keyToDelete << std::endl;
_objectManager->deleteEqTexture( keyToDelete );
}
else
running = false;
}
}
deleteSharedContextWindow( _wnd, &_sharedContextWindow, &_objectManager );
}
/**
* Function for creating and holding of shared context.
*/
void GPUAsyncLoaderBase::run()
{
LBASSERT( !_sharedContextWindow );
_sharedContextWindow = initSharedContextWindow( _wnd, &_computeCtx );
onInit();
if( !getSharedContextWindow() )
return;
runLocal();
cleanup();
deleteSharedContextWindow( _wnd, &_sharedContextWindow, &_computeCtx );
}
void AsyncFetcher::setup( Window* window )
{
_sharedWindow = initSharedContextWindow( window );
start();
}
