void lb::LightSystem::Update( const ofCamera& _camera )
{
m_clusterGrid.CullPointLights( _camera.getModelViewMatrix(), m_pointLights );
m_clusterGrid.SortLightIndexList();
m_clusterGrid.UpdateLightIndexTextures();
UpdateUbo();
}
void lb::LightSystem::Update( const ofCamera& _camera )
{
// updateData() will use direct state access (DSA) on GL 4.5, faster than map?
m_pointLightUbo.updateData( m_pointLights.size() * sizeof( lb::PointLight ), m_pointLights.data() );
m_clusterGrid.CullPointLights( _camera.getModelViewMatrix(), m_pointLights );
m_clusterGrid.SortLightIndexList();
m_clusterGrid.UpdateLightIndexTextures();
}
//--------------------------------------------------------------
void ViewUbo::update(const ofCamera & camera)
{
const auto bounds = ofGetCurrentViewport();
this->data.viewportSize = glm::vec2(bounds.width, bounds.height);
this->data.rcpViewportSize = 1.0f / this->data.viewportSize;
this->data.nearClip = camera.getNearClip();
this->data.farClip = camera.getFarClip();
this->data.viewMatrix = camera.getModelViewMatrix();
this->data.inverseViewMatrix = glm::inverse(this->data.viewMatrix);
this->ubo.updateData(sizeof(Data), &this->data);
}
void SecondCamera::setFromOtherCamera(ofCamera& other)
{
setFarClip(other.getFarClip());
setNearClip(other.getNearClip());
setFov(other.getFov());
matProjection = other.getProjectionMatrix();
matModelView = other.getModelViewMatrix();
matModelView.postMultTranslate(-_offset);
isActive = true;
}
void PostProcessing::begin(ofCamera& cam)
{
// update camera matrices
cam.begin();
cam.end();
raw.begin(false);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadMatrixf(cam.getProjectionMatrix(ofRectangle(0, 0, width, height)).getPtr());
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadMatrixf(cam.getModelViewMatrix().getPtr());
glViewport(0, 0, raw.getWidth(), raw.getHeight());
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
}
void PostProcessing::begin(ofCamera& cam)
{
// update camera matrices
cam.begin();
cam.end();
raw.begin(ofFboBeginMode::NoDefaults);
ofMatrixMode(OF_MATRIX_PROJECTION);
ofPushMatrix();
ofLoadMatrix(cam.getProjectionMatrix(ofRectangle(0, 0, width, height)));
ofMatrixMode(OF_MATRIX_MODELVIEW);
ofPushMatrix();
ofLoadMatrix(cam.getModelViewMatrix());
ofViewport(0, 0, raw.getWidth(), raw.getHeight());
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
ofPushStyle();
glPushAttrib(GL_ENABLE_BIT);
}