//-------------------------------------------------------------------------
// r u n
//-------------------------------------------------------------------------
void CApplication::run()
{
ITimer* timer = m_device->getTimer();
u32 current, last = timer->getRealTime();
u32 delta = 0;
m_running = true;
while(m_device->run() && m_running)
{
// calc seconds since last frame
current = timer->getRealTime();
delta = current-last;
last = current;
m_videoDriver->beginScene(true, true, SColor(255,100,101,140));
preRender(delta);
m_sceneManager->drawAll();
m_gui->drawAll();
postRender();
m_videoDriver->endScene();
}
logMessage("Exiting Run Loop");
stringc msg = "Frame Rate - Avg: ";
msg += m_fpsAvg;
msg += ", Min: ";
msg += m_fpsMin;
msg += ", Max: ";
msg += m_fpsMax;
logMessage(msg);
}
int
main( int argc, char** argv )
{
osg::notify( osg::ALWAYS ) <<
// cols: 12345678901234567890123456789012345678901234567890123456789012345678901234567890
"This is an example of doing render to texture in OSG, with the result displayed" << std::endl <<
"on a fullscreen triangle pair. It uses only one osgWorks OSG version feature to" << std::endl <<
"configure the destination textures and RTT Cameras appropriately, and uses the" << std::endl <<
"plane shape <osgwTools/Shapes.h> for the final texture display." << std::endl;
osg::ArgumentParser arguments( &argc, argv );
osg::ref_ptr< osg::Group > root( new osg::Group );
root->addChild( osgDB::readNodeFiles( arguments ) );
if( root->getNumChildren() == 0 )
{
// Load default cow model.
std::string fileName( "cow.osg" );
root->addChild( osgDB::readNodeFile( fileName ) );
}
if( root->getNumChildren() == 0 )
return( 1 );
osgViewer::Viewer viewer;
viewer.setUpViewInWindow( 10, 30, winW, winH );
viewer.setSceneData( root.get() );
viewer.realize();
root->addChild( postRender( viewer ) );
// Clear to white to make AA extremely obvious.
viewer.getCamera()->setClearColor( osg::Vec4( 1., 1., 1., 1. ) );
return( viewer.run() );
}
int
main( int argc, char** argv )
{
osg::ArgumentParser arguments( &argc, argv );
bool plainMode( false );
osg::notify( osg::NOTICE ) << " -p\tPlain mode. Runs with FFP and no RTT. Disabled by default (emulate BDFX with shaders and RTT)." << std::endl;
if( arguments.read( "-p" ) )
{
plainMode = true;
osg::notify( osg::INFO ) << "-p (plain mode)" << std::endl;
}
osg::ref_ptr< osg::Group > root( new osg::Group );
root->addChild( osgDB::readNodeFiles( arguments ) );
if( root->getNumChildren() == 0 )
return( 1 );
osgViewer::Viewer viewer;
viewer.setThreadingModel( osgViewer::ViewerBase::SingleThreaded );
viewer.setUpViewInWindow( 30, 30, winW, winH );
viewer.setSceneData( root.get() );
viewer.addEventHandler( new osgViewer::StatsHandler );
viewer.realize();
if( !plainMode )
{
root->addChild( postRender( viewer ) );
root->getOrCreateStateSet()->setAttribute( createPerfProgram( "dumb" ) );
}
return( viewer.run() );
}
void TUICore<T>::doRenderAll()
{
prevRender();
render();
postRender();
bool bClipTest = _this()->haveChildClipTest();
if ( bClipTest )
{
for( TUICore<T>* child = getChild(); child ; child = child->getNext() )
{
if ( !child->isShow() )
continue;
if ( !child->clipTest() )
continue;
child->renderAll();
}
}
else
{
for( TUICore<T>* child = getChild(); child ; child = child->getNext() )
{
if ( !child->isShow() )
continue;
child->renderAll();
}
}
postRenderChildren();
}
void CheckBox::render() {
if (parent == NULL) { preRender(); }
renderBackground();
if (m_checked) { renderTick(); }
renderOverlay();
if (parent == NULL) { postRender(); }
}
void TextField2::render(float dt)
{
if (!mVisible || mFont == NULL || !mFont->isLoaded())
{
return;
}
mCurrentLine = 0;
preRender(dt);
mFont->getAsset()->getTexture()->bindTexture();
glBegin(GL_QUADS);
while (mCurrentNode.get() != NULL)
{
if (mNewLineDirty)
{
Node::NodeHitboxList &list = mCurrentNode->getHitboxes();
list.clear();
Handle<NodeHitbox> hitbox(new NodeHitbox(mCurrentNode));
mTextHitboxes->addChild(hitbox.get());
hitbox->setPosition(mCurrXpos, mCurrYpos - mTextHitboxes->getPositionY());
hitbox->setHeight(mFont->getCharHeight());
hitbox->addEventListener(MOUSE_UP, this);
list.push_back(hitbox);
}
TextStyle currentStyle = mCurrentNode->getTextStyle();
GfxEngine::getEngine()->popColourStack();
if (currentStyle.hasColour())
{
GfxEngine::getEngine()->pushColourStack(currentStyle.getColour());
}
else
{
if (mGfxComponent)
{
GfxEngine::getEngine()->pushColourStack(mGfxComponent->getColour());
}
else
{
GfxEngine::getEngine()->pushColourStack(Colour::WHITE);
}
}
GfxEngine::getEngine()->applyColourStack();
renderText(mCurrentNode->getText());
mCurrentNode = mCurrentNode->nextSibling();
}
glEnd();
mScrollbar->setMaxValue(getTotalNumLines() - mDisplayNumLines - 1);
mNewLineDirty = false;
for (ChildList::iterator iter = mChildren.begin(); iter != mChildren.end(); ++iter)
{
if (mGfxComponent)
{
mGfxComponent->getColour().applyColour();
}
(*iter)->render(dt);
}
postRender(dt);
}
void
PhysicsDebugDrawer::drawAll
()
{
#ifdef DREAM_LOG
auto log = getLog();
log->debug( "Drawing {} lines" , mVertexBuffer.size()/2 );
#endif
preRender();
// Enable shader program
glUseProgram(mShaderProgram);
glBindVertexArray(mVAO);
ShaderRuntime::CurrentShaderProgram = mShaderProgram;
// Set the projection matrix
GLint projUniform = glGetUniformLocation(mShaderProgram, "projection");
if (projUniform == -1)
{
#ifdef DREAM_LOG
log->error( "Unable to find Uniform Location for projection" );
checkGLError();
#endif
return;
}
else
{
mat4 projectionMatrix = mCamera->getProjectionMatrix();
glUniformMatrix4fv(projUniform, 1, GL_FALSE, glm::value_ptr(projectionMatrix));
}
// Set the view matrix
GLint viewUniform = glGetUniformLocation(mShaderProgram, "view");
if (viewUniform == -1)
{
#ifdef DREAM_LOG
log->error( "Unable to find Uniform Location for view" );
checkGLError();
#endif
return;
}
else
{
mat4 viewMatrix = mCamera->getViewMatrix();
glUniformMatrix4fv(viewUniform, 1, GL_FALSE, glm::value_ptr(viewMatrix));
}
glBindBuffer(GL_ARRAY_BUFFER, mVBO);
glBufferData(GL_ARRAY_BUFFER, static_cast<GLint>(mVertexBuffer.size() * sizeof(PhysicsDebugVertex)), &mVertexBuffer[0], GL_STATIC_DRAW);
// Draw
glDrawArrays(GL_LINES, 0, static_cast<GLsizei>(mVertexBuffer.size()));
// Unbind
postRender();
// Clear old buffer
mVertexBuffer.clear();
}
void Model::traverse(RenderContext &ctx, const std::string& operation)
{
if (operation == "render") {
preRender(ctx);
postRender(ctx);
}
else
Node::traverse(ctx,operation);
}
void IRenderSystem::endRender()
{
for ( ; mNextRenderNode != mRenderList.end(); ++mNextRenderNode )
{
RNODE& node = *mNextRenderNode;
renderNode( node );
}
postRender();
}
void Object::render()
{
preRender();
if (material) material->select();
draw();
if (material) material->unselect();
postRender();
}
void ModelObjectContainer::render()
{
preRender();
if (material) material->select();
draw();
postRender();
if (material) material->unselect();
}
void ParticleSystem::render(float dt)
{
preRender(dt);
unsigned int newParticles = 0;
if (mParticleList.size() < static_cast<unsigned int>(mMaxParticles))
{
mCurrentParticleCount += dt * mParticlesPerSecond;
newParticles = static_cast<unsigned int>(mCurrentParticleCount);
if (mParticleList.size() + newParticles > static_cast<unsigned int>(mMaxParticles))
{
newParticles = mMaxParticles - mParticleList.size();
}
mCurrentParticleCount -= static_cast<float>(newParticles);
}
else
{
mCurrentParticleCount = 0.0f;
}
if (newParticles > 0)
{
for (unsigned int i = 0; i < newParticles; i++)
{
newParticle();
}
}
float accX = getAccelerationX() * dt;
float accY = getAccelerationY() * dt;
float ageResp = 1.0f / mMaxAge;
float alphaRange = mEndAlpha - mStartAlpha;
for (size_t i = 0; i < mParticleList.size(); i++)
{
Particle *particle = mParticleList[i];
float t = particle->getAge() * ageResp;
particle->getGfxComponent()->setAlpha(t * alphaRange + mStartAlpha);
particle->preRender(*this, accX, accY, dt);
if (particle->getAge() >= mMaxAge)
{
particle->postRender(dt);
mParticleList.erase(mParticleList.begin() + i);
i--;
continue;
}
particle->render(dt);
particle->postRender(dt);
}
postRender(dt);
}
void Sprite::render(float dt)
{
if (!mVisible)
{
return;
}
if (mAsset == NULL || mAsset->getTexture() == NULL || !mAsset->getTexture()->isLoaded())
{
if (!mGfxComponent || (mGfxComponent && mGfxComponent->getColour().getAlpha() > 0.05f))
{
preRender(dt);
Texture::bindTexture(0);
if (mGfxComponent)
{
mGfxComponent->getColour().applyColour();
}
glBegin(GL_QUADS);
glVertex2f(0.0f, 0.0f);
glVertex2f(getWidth(), 0.0f);
glVertex2f(getWidth(), getHeight());
glVertex2f(0.0f, getHeight());
glEnd();
postRender(dt);
}
return;
}
preRender(dt);
updateSprite(dt);
renderSprite();
postRender(dt);
}
BOOL LLViewerTexLayerSetBuffer::requestUpdateImmediate()
{
mNeedsUpdate = TRUE;
BOOL result = FALSE;
if (needsRender())
{
preRender(FALSE);
result = render();
postRender(result);
}
return result;
}
int
main( int argc, char** argv )
{
osg::notify( osg::ALWAYS ) <<
// cols: 12345678901234567890123456789012345678901234567890123456789012345678901234567890
"This is an example of doing multisampled rendering to multiple render targets" << std::endl <<
"in OSG. It uses osgWorks only to check for OSG version and configure the" << std::endl <<
"destination textures and RTT Cameras appropriately." << std::endl;
osg::ref_ptr< osg::Group > root( new osg::Group );
root->addChild( osgDB::readNodeFile( "cow.osg" ) );
if( root->getNumChildren() == 0 )
return( 1 );
// Do not unbind the FBOs after the BlitFramebuffer call.
root->setCullCallback( new KeepFBOsBoundCallback() );
// Set fragment program for MRT.
mrtStateSet( root->getOrCreateStateSet() );
osgViewer::Viewer viewer;
viewer.getCamera()->setClearColor( osg::Vec4( 0., 0., 0., 1. ) );
viewer.setCameraManipulator( new osgGA::TrackballManipulator );
viewer.setUpViewInWindow( 10, 30, winW, winH );
viewer.setSceneData( root.get() );
viewer.realize();
root->addChild( postRender( viewer ) );
// Required for osgViewer threading model support.
// Render at least 2 frames before NULLing the cull callback.
int frameCount( 2 );
while( !viewer.done() )
{
viewer.frame();
if( frameCount > 0 )
{
frameCount--;
if( frameCount == 0 )
// After rendering, set cull callback to NULL.
root->setCullCallback( NULL );
}
}
return( 0 );
}
void Geometry::render() {
preRender();
glDrawArrays(GL_TRIANGLES, 0, verticies.size());
postRender();
}
void PSystem ::render()
{
//世界变换
D3DXMATRIX world;
D3DXMatrixIdentity(&world);
_device->SetTransform(D3DTS_WORLD,&world);
//如果链表中有元素 ，则进入
if(!_particles.empty ())
{
preRender ();
_device->SetTexture (0,_tex); //设置材质
_device->SetFVF (D3DFVF_XYZ | D3DFVF_DIFFUSE); //设置顶点格式
_device->SetStreamSource (0,_vb,0,sizeof(Particle)); //设置资源流
//检测偏移量是否超过内存大小
if(_vbOffset>=_vbSize)
_vbOffset=0;
DWORD numParticlesInBatch =0;
Particle *v=0;
_vb->Lock (
_vbOffset *sizeof(Particle),
_vbBatchSize * sizeof(Particle),
(void **)&v,
_vbOffset? D3DLOCK_NOOVERWRITE : D3DLOCK_DISCARD );
//遍历链表 开始画
std::list <Attribute>::iterator i;
for(i=_particles.begin();i!=_particles.end ();i++)
{
if(i->_isAlive==true)
{
v->_color=i->_color;
v->_position=i->_position;
v++;
numParticlesInBatch++;
if(numParticlesInBatch==_vbBatchSize)
{
_vb->Unlock ();
//所以，这里实际上只是把粒子画出来？和位置无关？
_device->DrawPrimitive(D3DPT_POINTLIST,_vbOffset,_vbBatchSize);
_vbOffset+=_vbBatchSize;
if(_vbOffset>=_vbSize)
_vbOffset=0;
numParticlesInBatch=0;
_vb->Lock (
_vbOffset *sizeof(Particle),
_vbBatchSize * sizeof(Particle),
(void **)&v,
_vbOffset? D3DLOCK_NOOVERWRITE : D3DLOCK_DISCARD );
}
}
}
_vb->Unlock ();
//还要处理一种情况，当此次渲染中活着的粒子数不是_vbBatchSize的倍数，也即无法满足最后一个片段中（numParticlesInBatch==_vbBatchSize）的条件
//这时最后一个片段没有被绘制到，所以要来绘制最后一个片段
if(numParticlesInBatch) //最后一个片段中有粒子
{
_device->DrawPrimitive(D3DPT_POINTLIST,_vbOffset,numParticlesInBatch);
}
_vbOffset+=_vbBatchSize;
postRender();
}
}
void ARenderable::postRenderDebug()
{
postRender();
}
void UIView::drawItself(GraphicsDevice* renderer, const mat4& transform )
{
// Invisible UIView, stop rendering itself or children
if(!m_visible)
{
return;
}
if(m_clipContents)
{
renderer->pushClippingRect(FloatRect(mRect.left,mRect.top,mRect.width, mRect.height));
}
mat4 absoluteTransform = mat4::identity;
mat4 localTransform = mat4::translate(position) * mat4::rotatey(rotation_y) * mat4::rotatex(rotation_x);
absoluteTransform = transform * localTransform;
// Tel
draw(renderer, absoluteTransform);
for(std::size_t i = 0; i < components.size(); ++i)
{
components[i]->onRender(renderer, this, absoluteTransform);
}
if(m_clipContents)
{
renderer->popClippingRect();
}
// -- Pre Render Step (Before Children)
preRender(renderer);
// clip the overflowing children
if(m_clipChildren)
{
if(getContext()->transformPointerCoordinates)
{
renderer->pushClippingRect(FloatRect(mRect.left / getContext()->targetWindowSize.x,mRect.top / getContext()->targetWindowSize.y,mRect.width / getContext()->targetWindowSize.x, mRect.height / getContext()->targetWindowSize.y), true);
}
else
{
renderer->pushClippingRect(FloatRect(mRect.left,mRect.top,mRect.width, mRect.height));
}
}
// Let children render as well
for(std::vector<UIView*>::const_iterator it = m_children.begin(); it != m_children.end(); it++)
{
(*it)->drawItself(renderer, absoluteTransform);
}
if(m_clipChildren)
renderer->popClippingRect();
// -- Post Render Step (After Children)
postRender(renderer);
}
void GameObject::render(Shader* shader, Camera *cam, SceneManager* smgr)
{
_render(shader, cam, smgr);
postRender(shader, cam, smgr);
}
