void reshape( const Vector2ui& frameSize )
{
CameraPtr camera = _engine->getCamera();
FrameBufferPtr frameBuffer = _engine->getFrameBuffer();
if( frameBuffer->getSize() == frameSize )
return;
frameBuffer->resize( frameSize );
camera->setAspectRatio(
static_cast< float >( frameSize.x()) /
static_cast< float >( frameSize.y()));
}
void render( const RenderInput& renderInput,
RenderOutput& renderOutput )
{
reshape( renderInput.windowSize );
_engine->preRender();
_engine->getCamera()->set(
renderInput.position, renderInput.target, renderInput.up );
#if(BRAYNS_USE_DEFLECT || BRAYNS_USE_REST)
if( !_extensionPluginFactory )
_intializeExtensionPluginFactory( );
_extensionPluginFactory->execute( );
#endif
ScenePtr scene = _engine->getScene();
CameraPtr camera = _engine->getCamera();
FrameBufferPtr frameBuffer = _engine->getFrameBuffer();
const Vector2i& frameSize = frameBuffer->getSize();
if( _parametersManager->getRenderingParameters().getSunOnCamera() )
{
LightPtr sunLight = scene->getLight( 0 );
DirectionalLight* sun =
dynamic_cast< DirectionalLight* > ( sunLight.get() );
if( sun )
{
sun->setDirection( camera->getTarget() - camera->getPosition() );
scene->commitLights();
}
}
camera->commit();
_render( );
uint8_t* colorBuffer = frameBuffer->getColorBuffer( );
size_t size =
frameSize.x( ) * frameSize.y( ) * frameBuffer->getColorDepth( );
renderOutput.colorBuffer.assign( colorBuffer, colorBuffer + size );
float* depthBuffer = frameBuffer->getDepthBuffer( );
size = frameSize.x( ) * frameSize.y( );
renderOutput.depthBuffer.assign( depthBuffer, depthBuffer + size );
_engine->postRender();
}
void _setDefaultCamera()
{
ScenePtr scene = _engine->getScene();
CameraPtr camera = _engine->getCamera();
FrameBufferPtr frameBuffer = _engine->getFrameBuffer();
const Vector2i& frameSize = frameBuffer->getSize();
const Boxf& worldBounds = scene->getWorldBounds();
const Vector3f& target = worldBounds.getCenter();
const Vector3f& diag = worldBounds.getSize();
Vector3f position = target;
position.z() -= diag.z();
const Vector3f up = Vector3f( 0.f, 1.f, 0.f );
camera->setInitialState( position, target, up );
camera->setAspectRatio(
static_cast< float >( frameSize.x()) /
static_cast< float >( frameSize.y()));
}
void render()
{
ScenePtr scene = _engine->getScene();
CameraPtr camera = _engine->getCamera();
FrameBufferPtr frameBuffer = _engine->getFrameBuffer();
const Vector2i& frameSize = frameBuffer->getSize();
_engine->preRender();
#if(BRAYNS_USE_DEFLECT || BRAYNS_USE_REST)
if( !_extensionPluginFactory )
_intializeExtensionPluginFactory( );
_extensionPluginFactory->execute( );
#endif
if( _parametersManager->getRenderingParameters().getSunOnCamera() )
{
LightPtr sunLight = scene->getLight( 0 );
DirectionalLight* sun =
dynamic_cast< DirectionalLight* > ( sunLight.get() );
if( sun )
{
sun->setDirection( camera->getTarget() - camera->getPosition() );
scene->commitLights();
}
}
camera->commit();
_render( );
_engine->postRender();
const Vector2ui windowSize = _parametersManager
->getApplicationParameters()
.getWindowSize();
if( windowSize != frameSize )
reshape(windowSize);
}