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First, preliminary, code of the Rembrandt renderer.

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The new renderer is activated by the --enable-rembrandt option, or in the preferences.xml file.
The renderer at this stage doesn't have shadows yet, and shows a lighting bug. The slash screen doesn't work too.
This commit is contained in:
Frederic Bouvier 2012-03-25 14:37:01 +02:00
parent 86185c8014
commit 416e6df9e3
4 changed files with 890 additions and 133 deletions

187
src/Main/CameraGroup.cxx
View file

@ -32,6 +32,7 @@
#include <simgear/structure/OSGVersion.hxx>
#include <simgear/scene/material/EffectCullVisitor.hxx>
#include <simgear/scene/util/RenderConstants.hxx>
#include <simgear/scene/tgdb/userdata.hxx>
#include <algorithm>
#include <cstring>
@ -186,6 +187,50 @@ void CameraInfo::updateCameras()
float f = ii->second.scaleFactor;
ii->second.camera->getViewport()->setViewport(x*f, y*f, width*f, height*f);
}
for (RenderBufferMap::iterator ii = buffers.begin(); ii != buffers.end(); ++ii ) {
float f = ii->second.scaleFactor;
osg::Texture2D* texture = ii->second.texture.get();
if ( texture->getTextureHeight() != height*f || texture->getTextureWidth() != width*f ) {
texture->setTextureSize( width*f, height*f );
texture->dirtyTextureObject();
}
}
}
void CameraInfo::resized(double w, double h)
{
for (RenderBufferMap::iterator ii = buffers.begin(); ii != buffers.end(); ++ii) {
float s = ii->second.scaleFactor;
ii->second.texture->setTextureSize( w * s, h * s );
ii->second.texture->dirtyTextureObject();
}
for (CameraMap::iterator ii = cameras.begin(); ii != cameras.end(); ++ii) {
RenderStageInfo& rsi = ii->second;
if (!rsi.resizable || rsi.camera->getRenderTargetImplementation() != osg::Camera::FRAME_BUFFER_OBJECT)
continue;
Viewport* vp = rsi.camera->getViewport();
vp->width() = w * rsi.scaleFactor;
vp->height() = h * rsi.scaleFactor;
osgViewer::Renderer* renderer
= static_cast<osgViewer::Renderer*>(rsi.camera->getRenderer());
for (int i = 0; i < 2; ++i) {
osgUtil::SceneView* sceneView = renderer->getSceneView(i);
sceneView->getRenderStage()->setFrameBufferObject(0);
sceneView->getRenderStage()->setCameraRequiresSetUp(true);
if (sceneView->getRenderStageLeft()) {
sceneView->getRenderStageLeft()->setFrameBufferObject(0);
sceneView->getRenderStageLeft()->setCameraRequiresSetUp(true);
}
if (sceneView->getRenderStageRight()) {
sceneView->getRenderStageRight()->setFrameBufferObject(0);
sceneView->getRenderStageRight()->setCameraRequiresSetUp(true);
}
}
}
}
osg::Camera* CameraInfo::getCamera(CameraKind k) const
@ -196,16 +241,18 @@ osg::Camera* CameraInfo::getCamera(CameraKind k) const
return ii->second.camera.get();
}
osg::Camera* CameraInfo::getMainCamera() const
{
return cameras.find( MAIN_CAMERA )->second.camera.get();
}
int CameraInfo::getMainSlaveIndex() const
{
return cameras.find( MAIN_CAMERA )->second.slaveIndex;
}
void CameraInfo::setMatrices(osg::Camera* c)
{
view->set( c->getViewMatrix() );
viewInverse->set( osg::Matrix::inverse( c->getViewMatrix() ) );
projInverse->set( osg::Matrix::inverse( c->getProjectionMatrix() ) );
}
void CameraGroup::update(const osg::Vec3d& position,
const osg::Quat& orientation)
{
@ -216,14 +263,15 @@ void CameraGroup::update(const osg::Vec3d& position,
double masterZoomFactor = zoomFactor();
for (CameraList::iterator i = _cameras.begin(); i != _cameras.end(); ++i) {
const CameraInfo* info = i->get();
Camera* camera = info->getCamera(MAIN_CAMERA);
if ( camera ) {
const View::Slave& slave = _viewer->getSlave(info->getMainSlaveIndex());
#if SG_OSG_VERSION_LESS_THAN(3,0,0)
// refreshes camera viewports (for now)
info->updateCameras();
#endif
Camera* camera = info->getMainCamera();
Matrix viewMatrix;
if (info->flags & GUI) {
viewMatrix = osg::Matrix(); // identifty transform on the GUI camera
} else if ((info->flags & VIEW_ABSOLUTE) != 0)
@ -232,7 +280,6 @@ void CameraGroup::update(const osg::Vec3d& position,
viewMatrix = masterView * slave._viewOffset;
camera->setViewMatrix(viewMatrix);
Matrix projectionMatrix;
if (info->flags & GUI) {
projectionMatrix = osg::Matrix::ortho2D(0, info->width, 0, info->height);
} else if ((info->flags & PROJECTION_ABSOLUTE) != 0) {
@ -244,7 +291,7 @@ void CameraGroup::update(const osg::Vec3d& position,
// The already known projection and view matrix of the parent camera
const CameraInfo* parentInfo = _cameras[info->relativeCameraParent].get();
RenderStageInfo prsi = parentInfo->cameras.find(CameraInfo::MAIN_CAMERA)->second;
RenderStageInfo prsi = parentInfo->cameras.find(MAIN_CAMERA)->second;
osg::Matrix pP = prsi.camera->getProjectionMatrix();
osg::Matrix pR = prsi.camera->getViewMatrix();
@ -264,7 +311,7 @@ void CameraGroup::update(const osg::Vec3d& position,
projectionMatrix = masterProj * slave._projectionOffset;
}
CameraInfo::CameraMap::const_iterator ii = info->cameras.find(CameraInfo::FAR_CAMERA);
CameraMap::const_iterator ii = info->cameras.find(FAR_CAMERA);
if (ii == info->cameras.end() || !ii->second.camera.valid()) {
camera->setProjectionMatrix(projectionMatrix);
} else {
@ -297,7 +344,67 @@ void CameraGroup::update(const osg::Vec3d& position,
farCamera->setNodeMask(camera->getNodeMask());
}
}
} else {
bool viewDone = false;
Matrix viewMatrix;
bool projectionDone = false;
Matrix projectionMatrix;
for ( CameraMap::const_iterator ii = info->cameras.begin(); ii != info->cameras.end(); ++ii ) {
if ( ii->second.fullscreen )
continue;
Camera* camera = ii->second.camera.get();
int slaveIndex = ii->second.slaveIndex;
const View::Slave& slave = _viewer->getSlave(slaveIndex);
if ( !viewDone ) {
if ((info->flags & VIEW_ABSOLUTE) != 0)
viewMatrix = slave._viewOffset;
else
viewMatrix = masterView * slave._viewOffset;
viewDone = true;
}
camera->setViewMatrix( viewMatrix );
if ( !projectionDone ) {
if ((info->flags & PROJECTION_ABSOLUTE) != 0) {
if (info->flags & ENABLE_MASTER_ZOOM) {
if (info->relativeCameraParent < _cameras.size()) {
// template projection matrix and view matrix of the current camera
osg::Matrix P0 = slave._projectionOffset;
osg::Matrix R = viewMatrix;
// The already known projection and view matrix of the parent camera
const CameraInfo* parentInfo = _cameras[info->relativeCameraParent].get();
RenderStageInfo prsi = parentInfo->cameras.find(MAIN_CAMERA)->second;
osg::Matrix pP = prsi.camera->getProjectionMatrix();
osg::Matrix pR = prsi.camera->getViewMatrix();
// And the projection matrix derived from P0 so that the reference points match
projectionMatrix = relativeProjection(P0, R, info->thisReference,
pP, pR, info->parentReference);
} else {
// We want to zoom, so take the original matrix and apply the zoom to it.
projectionMatrix = slave._projectionOffset;
projectionMatrix.postMultScale(osg::Vec3d(masterZoomFactor, masterZoomFactor, 1));
}
} else {
projectionMatrix = slave._projectionOffset;
}
} else {
projectionMatrix = masterProj * slave._projectionOffset;
}
projectionDone = true;
}
camera->setProjectionMatrix(projectionMatrix);
}
}
}
globals->get_renderer()->setPlanes( _zNear, _zFar );
}
void CameraGroup::setCameraParameters(float vfov, float aspectRatio)
@ -316,7 +423,9 @@ double CameraGroup::getMasterAspectRatio() const
const CameraInfo* info = _cameras.front();
osg::Camera* camera = info->cameras.find(CameraInfo::MAIN_CAMERA)->second.camera.get();
osg::Camera* camera = info->getCamera(MAIN_CAMERA);
if ( !camera )
camera = info->getCamera( GEOMETRY_CAMERA );
const osg::Viewport* viewport = camera->getViewport();
if (!viewport) {
return 0.0;
@ -395,7 +504,7 @@ namespace flightgear
// Mostly copied from osg's osgViewer/View.cpp
static osg::Geometry* createParoramicSphericalDisplayDistortionMesh(
static osg::Geometry* createPanoramicSphericalDisplayDistortionMesh(
const Vec3& origin, const Vec3& widthVector, const Vec3& heightVector,
double sphere_radius, double collar_radius,
Image* intensityMap = 0, const Matrix& projectorMatrix = Matrix())
@ -410,8 +519,8 @@ static osg::Geometry* createParoramicSphericalDisplayDistortionMesh(
#if 0
osg::Vec3d projector = eye - osg::Vec3d(0.0,0.0, distance);
OSG_INFO<<"createParoramicSphericalDisplayDistortionMesh : Projector position = "<<projector<<std::endl;
OSG_INFO<<"createParoramicSphericalDisplayDistortionMesh : distance = "<<distance<<std::endl;
OSG_INFO<<"createPanoramicSphericalDisplayDistortionMesh : Projector position = "<<projector<<std::endl;
OSG_INFO<<"createPanoramicSphericalDisplayDistortionMesh : distance = "<<distance<<std::endl;
#endif
// create the quad to visualize.
osg::Geometry* geometry = new osg::Geometry();
@ -559,7 +668,7 @@ void CameraGroup::buildDistortionCamera(const SGPropertyNode* psNode,
double radius = psNode->getDoubleValue("radius", 1.0);
double collar = psNode->getDoubleValue("collar", 0.45);
Geode* geode = new Geode();
geode->addDrawable(createParoramicSphericalDisplayDistortionMesh(
geode->addDrawable(createPanoramicSphericalDisplayDistortionMesh(
Vec3(0.0f,0.0f,0.0f), Vec3(width,0.0f,0.0f),
Vec3(0.0f,height,0.0f), radius, collar));
@ -809,7 +918,7 @@ CameraInfo* CameraGroup::buildCamera(SGPropertyNode* cameraNode)
const SGPropertyNode* psNode = cameraNode->getNode("panoramic-spherical");
bool useMasterSceneGraph = !psNode;
CameraInfo* info = globals->get_renderer()->buildRenderingPipeline(this, cameraFlags, camera, vOff, pOff,
useMasterSceneGraph);
window->gc.get(), useMasterSceneGraph);
info->name = cameraNode->getStringValue("name");
info->physicalWidth = physicalWidth;
info->physicalHeight = physicalHeight;
@ -853,12 +962,10 @@ CameraInfo* CameraGroup::buildGUICamera(SGPropertyNode* cameraNode,
}
Camera* camera = new Camera;
camera->setName( "GUICamera" );
camera->setAllowEventFocus(false);
camera->setGraphicsContext(window->gc.get());
camera->setViewport(new Viewport);
// XXX Camera needs to be drawn last; eventually the render order
// should be assigned by a camera manager.
camera->setRenderOrder(osg::Camera::POST_RENDER, 100);
camera->setClearMask(0);
camera->setInheritanceMask(CullSettings::ALL_VARIABLES
& ~(CullSettings::COMPUTE_NEAR_FAR_MODE
@ -872,13 +979,26 @@ CameraInfo* CameraGroup::buildGUICamera(SGPropertyNode* cameraNode,
camera->setProjectionResizePolicy(Camera::FIXED);
camera->setReferenceFrame(Transform::ABSOLUTE_RF);
const int cameraFlags = GUI | DO_INTERSECTION_TEST;
CameraInfo* result = globals->get_renderer()->buildRenderingPipeline(this, cameraFlags, camera, Matrixd::identity(),
Matrixd::identity(), false);
CameraInfo* result = new CameraInfo(cameraFlags);
// The camera group will always update the camera
camera->setReferenceFrame(Transform::ABSOLUTE_RF);
getViewer()->addSlave(camera, Matrixd::identity(), Matrixd::identity(), false);
//installCullVisitor(camera);
int slaveIndex = getViewer()->getNumSlaves() - 1;
result->addCamera( MAIN_CAMERA, camera, slaveIndex );
camera->setRenderOrder(Camera::POST_RENDER, slaveIndex);
addCamera(result);
// XXX Camera needs to be drawn last; eventually the render order
// should be assigned by a camera manager.
camera->setRenderOrder(osg::Camera::POST_RENDER, 10000);
SGPropertyNode* viewportNode = cameraNode->getNode("viewport", true);
buildViewport(result, viewportNode, window->gc->getTraits());
// Disable statistics for the GUI camera.
result->getMainCamera()->setStats(0);
camera->setStats(0);
result->updateCameras();
return result;
}
@ -886,6 +1006,8 @@ CameraInfo* CameraGroup::buildGUICamera(SGPropertyNode* cameraNode,
CameraGroup* CameraGroup::buildCameraGroup(osgViewer::Viewer* viewer,
SGPropertyNode* gnode)
{
sgUserDataInit( globals->get_props() );
CameraGroup* cgroup = new CameraGroup(viewer);
for (int i = 0; i < gnode->nChildren(); ++i) {
SGPropertyNode* pNode = gnode->getChild(i);
@ -911,8 +1033,10 @@ void CameraGroup::setCameraCullMasks(Node::NodeMask nm)
CameraInfo* info = i->get();
if (info->flags & GUI)
continue;
osg::ref_ptr<osg::Camera> farCamera = info->getCamera(CameraInfo::FAR_CAMERA);
osg::Camera* camera = info->getMainCamera();
osg::ref_ptr<osg::Camera> farCamera = info->getCamera(FAR_CAMERA);
osg::Camera* camera = info->getCamera( MAIN_CAMERA );
if ( camera == 0 )
camera = info->getCamera( GEOMETRY_CAMERA );
if (farCamera.valid() && farCamera->getNodeMask() != 0) {
camera->setCullMask(nm & ~simgear::BACKGROUND_BIT);
camera->setCullMaskLeft(nm & ~simgear::BACKGROUND_BIT);
@ -932,11 +1056,16 @@ void CameraGroup::resized()
{
for (CameraIterator i = camerasBegin(), e = camerasEnd(); i != e; ++i) {
CameraInfo *info = i->get();
const Viewport* viewport = info->getMainCamera()->getViewport();
Camera* camera = info->getCamera( MAIN_CAMERA );
if ( camera == 0 )
camera = info->getCamera( DISPLAY_CAMERA );
const Viewport* viewport = camera->getViewport();
info->x = viewport->x();
info->y = viewport->y();
info->width = viewport->width();
info->height = viewport->height();
info->resized( info->width, info->height );
}
}
@ -959,7 +1088,7 @@ Camera* getGUICamera(CameraGroup* cgroup)
return NULL;
}
return info->getMainCamera();
return info->getCamera(MAIN_CAMERA);
}
static bool computeCameraIntersection(const CameraInfo* cinfo,
@ -974,7 +1103,9 @@ static bool computeCameraIntersection(const CameraInfo* cinfo,
if (!(cinfo->flags & CameraGroup::DO_INTERSECTION_TEST))
return false;
const Camera* camera = cinfo->getMainCamera();
const Camera* camera = cinfo->getCamera(MAIN_CAMERA);
if ( !camera )
camera = cinfo->getCamera( GEOMETRY_CAMERA );
if (camera->getGraphicsContext() != ea->getGraphicsContext())
return false;
@ -992,7 +1123,7 @@ static bool computeCameraIntersection(const CameraInfo* cinfo,
Matrix startPtMat = Matrix::inverse(camera->getProjectionMatrix()
* windowMat);
Matrix endPtMat;
const Camera* farCamera = cinfo->getCamera( CameraInfo::FAR_CAMERA );
const Camera* farCamera = cinfo->getCamera( FAR_CAMERA );
if (!farCamera || farCamera->getNodeMask() == 0)
endPtMat = startPtMat;
else

83
src/Main/CameraGroup.hxx
View file

@ -26,6 +26,8 @@
#include <osg/Referenced>
#include <osg/Node>
#include <osg/TextureRectangle>
#include <osg/Texture2D>
#include <osgUtil/RenderBin>
// For osgUtil::LineSegmentIntersector::Intersections, which is a typedef.
#include <osgUtil/LineSegmentIntersector>
@ -46,40 +48,75 @@ namespace flightgear
class GraphicsWindow;
struct RenderBufferInfo {
enum Kind {
DEPTH_BUFFER,
NORMAL_BUFFER,
DIFFUSE_BUFFER,
SPEC_EMIS_BUFFER,
LIGHTING_BUFFER
};
RenderBufferInfo(osg::Texture2D* t = 0, float s = 1.0 ) : texture(t), scaleFactor(s) {}
osg::ref_ptr<osg::Texture2D> texture;
float scaleFactor;
};
typedef std::map<RenderBufferInfo::Kind,RenderBufferInfo> RenderBufferMap;
typedef std::map<osg::Camera::BufferComponent,size_t> AttachmentMap;
struct RenderStageInfo {
RenderStageInfo(osg::Camera* camera_ = 0, int si = -1)
: camera(camera_), slaveIndex(si), scaleFactor(1.0f)
RenderStageInfo(osg::Camera* camera_ = 0, int si = -1, bool fs = false)
: camera(camera_), slaveIndex(si), scaleFactor(1.0f), fullscreen(fs)
, resizable(true)
{
}
osg::ref_ptr<osg::Camera> camera;
AttachmentMap buffers;
int slaveIndex;
float scaleFactor;
bool fullscreen;
bool resizable;
};
enum CameraKind {
MAIN_CAMERA,
FAR_CAMERA,
GEOMETRY_CAMERA,
SHADOW_CAMERA,
BLOOM_CAMERA_1,
BLOOM_CAMERA_2,
AO_CAMERA_1,
AO_CAMERA_2,
AO_CAMERA_3,
LIGHTING_CAMERA,
DISPLAY_CAMERA
};
typedef std::map<CameraKind,RenderStageInfo> CameraMap;
/** A wrapper around osg::Camera that contains some extra information.
*/
struct CameraInfo : public osg::Referenced
{
CameraInfo(unsigned flags_, osg::Camera* camera_ = 0)
CameraInfo(unsigned flags_)
: flags(flags_),
x(0.0), y(0.0), width(0.0), height(0.0),
physicalWidth(0), physicalHeight(0), bezelHeightTop(0),
bezelHeightBottom(0), bezelWidthLeft(0), bezelWidthRight(0),
relativeCameraParent(~0u)
relativeCameraParent(~0u),
bufferSize( new osg::Uniform("fg_BufferSize", osg::Vec2f() ) ),
projInverse( new osg::Uniform( "fg_ProjectionMatrixInverse", osg::Matrixf() ) ),
viewInverse( new osg::Uniform( "fg_ViewMatrixInverse",osg::Matrixf() ) ),
view( new osg::Uniform( "fg_ViewMatrix",osg::Matrixf() ) ),
du( new osg::Uniform( "fg_du",osg::Vec4() ) ),
dv( new osg::Uniform( "fg_dv",osg::Vec4() ) )
{
cameras.insert( std::make_pair( MAIN_CAMERA, camera_ ) );
}
enum CameraKind {
MAIN_CAMERA,
FAR_CAMERA
};
typedef std::map<CameraKind,RenderStageInfo> CameraMap;
/** Update and resize cameras
*/
void updateCameras();
void resized(double w, double h);
/** The name as given in the config file.
*/
std::string name;
@ -89,10 +126,30 @@ struct CameraInfo : public osg::Referenced
/** the camera objects
*/
CameraMap cameras;
void addCamera( CameraKind k, osg::Camera* c, int si = -1 ) { cameras[k] = RenderStageInfo(c,si); }
void addCamera( CameraKind k, osg::Camera* c, int si = -1, bool fs = false ) { cameras[k].camera = c; cameras[k].slaveIndex = si; cameras[k].fullscreen = fs; }
void addCamera( CameraKind k, osg::Camera* c, bool fs ) { cameras[k].camera = c; cameras[k].fullscreen = fs; }
osg::Camera* getCamera(CameraKind k) const;
osg::Camera* getMainCamera() const;
int getMainSlaveIndex() const;
RenderStageInfo& getRenderStageInfo( CameraKind k ) { return cameras[k]; }
/** the buffer objects
*/
RenderBufferMap buffers;
void addBuffer(RenderBufferInfo::Kind k, osg::Texture2D* tex, float scale = 1.0 ) { buffers[k] = RenderBufferInfo(tex,scale); }
osg::Texture2D* getBuffer(RenderBufferInfo::Kind k) { return buffers[k].texture.get(); }
osg::ref_ptr<osg::Uniform> bufferSize;
//osg::ref_ptr<osg::Uniform> bloomOffset[2];
osg::ref_ptr<osg::Uniform> projInverse;
osg::ref_ptr<osg::Uniform> viewInverse;
osg::ref_ptr<osg::Uniform> du;
osg::ref_ptr<osg::Uniform> dv;
osg::ref_ptr<osg::Uniform> view;
void setMatrices( osg::Camera* c );
osgUtil::RenderBin::RenderBinList savedTransparentBins;
/** Viewport parameters.
*/
double x;

583
src/Main/renderer.cxx
View file

@ -67,6 +67,8 @@
#include <simgear/math/SGMath.hxx>
#include <simgear/scene/material/matlib.hxx>
#include <simgear/scene/material/EffectCullVisitor.hxx>
#include <simgear/scene/material/Effect.hxx>
#include <simgear/scene/material/EffectGeode.hxx>
#include <simgear/scene/model/animation.hxx>
#include <simgear/scene/model/placement.hxx>
#include <simgear/scene/sky/sky.hxx>
@ -374,6 +376,7 @@ static osg::ref_ptr<osg::FrameStamp> mFrameStamp = new osg::FrameStamp;
static osg::ref_ptr<SGUpdateVisitor> mUpdateVisitor= new SGUpdateVisitor;
static osg::ref_ptr<osg::Group> mRealRoot = new osg::Group;
static osg::ref_ptr<osg::Group> mDeferredRealRoot = new osg::Group;
static osg::ref_ptr<osg::Group> mRoot = new osg::Group;
@ -404,7 +407,14 @@ static void updateRenderer()
#endif
FGRenderer::FGRenderer() :
_sky(NULL)
_sky(NULL),
_ambientFactor( new osg::Uniform( "fg_SunAmbientColor", osg::Vec4f() ) ),
_sunDiffuse( new osg::Uniform( "fg_SunDiffuseColor", osg::Vec4f() ) ),
_sunSpecular( new osg::Uniform( "fg_SunSpecularColor", osg::Vec4f() ) ),
_sunDirection( new osg::Uniform( "fg_SunDirection", osg::Vec3f() ) ),
_planes( new osg::Uniform( "fg_Planes", osg::Vec3f() ) ),
_fogColor( new osg::Uniform( "fg_FogColor", osg::Vec4f(1.0, 1.0, 1.0, 1.0) ) ),
_fogDensity( new osg::Uniform( "fg_FogDensity", 0.0001f ) )
{
#ifdef FG_JPEG_SERVER
jpgRenderFrame = updateRenderer;
@ -532,12 +542,20 @@ flightgear::CameraInfo*
FGRenderer::buildRenderingPipeline(flightgear::CameraGroup* cgroup, unsigned flags, Camera* camera,
const Matrix& view,
const Matrix& projection,
osg::GraphicsContext* gc,
bool useMasterSceneData)
{
if (_classicalRenderer || (flags & (CameraGroup::GUI | CameraGroup::ORTHO)))
flightgear::CameraInfo* info = 0;
if (!_classicalRenderer && (flags & (CameraGroup::GUI | CameraGroup::ORTHO)) == 0)
info = buildDeferredPipeline( cgroup, flags, camera, view, projection, gc );
if (info) {
return info;
} else {
if ((flags & (CameraGroup::GUI | CameraGroup::ORTHO)) == 0)
_classicalRenderer = true;
return buildClassicalPipeline( cgroup, flags, camera, view, projection, useMasterSceneData );
else
return buildDeferredPipeline( cgroup, flags, camera, view, projection );
}
}
flightgear::CameraInfo*
@ -576,7 +594,7 @@ FGRenderer::buildClassicalPipeline(flightgear::CameraGroup* cgroup, unsigned fla
cgroup->getViewer()->addSlave(farCamera, projection, view, useMasterSceneData);
installCullVisitor(farCamera);
int farSlaveIndex = cgroup->getViewer()->getNumSlaves() - 1;
info->addCamera( CameraInfo::FAR_CAMERA, farCamera, farSlaveIndex );
info->addCamera( FAR_CAMERA, farCamera, farSlaveIndex );
farCamera->setRenderOrder(Camera::POST_RENDER, farSlaveIndex);
camera->setCullMask(camera->getCullMask() & ~simgear::BACKGROUND_BIT);
camera->setClearMask(GL_DEPTH_BUFFER_BIT);
@ -584,27 +602,541 @@ FGRenderer::buildClassicalPipeline(flightgear::CameraGroup* cgroup, unsigned fla
cgroup->getViewer()->addSlave(camera, projection, view, useMasterSceneData);
installCullVisitor(camera);
int slaveIndex = cgroup->getViewer()->getNumSlaves() - 1;
info->addCamera( CameraInfo::MAIN_CAMERA, camera, slaveIndex );
info->addCamera( MAIN_CAMERA, camera, slaveIndex );
camera->setRenderOrder(Camera::POST_RENDER, slaveIndex);
cgroup->addCamera(info);
return info;
}
class FGDeferredRenderingCameraCullCallback : public osg::NodeCallback {
public:
FGDeferredRenderingCameraCullCallback( flightgear::CameraKind k, CameraInfo* i ) : kind( k ), info( i ) {}
virtual void operator()( osg::Node *n, osg::NodeVisitor *nv) {
simgear::EffectCullVisitor* cv = dynamic_cast<simgear::EffectCullVisitor*>(nv);
osg::Camera* camera = static_cast<osg::Camera*>(n);
cv->clearBufferList();
cv->addBuffer(simgear::Effect::DEPTH_BUFFER, info->getBuffer( flightgear::RenderBufferInfo::DEPTH_BUFFER ) );
cv->addBuffer(simgear::Effect::NORMAL_BUFFER, info->getBuffer( flightgear::RenderBufferInfo::NORMAL_BUFFER ) );
cv->addBuffer(simgear::Effect::DIFFUSE_BUFFER, info->getBuffer( flightgear::RenderBufferInfo::DIFFUSE_BUFFER ) );
cv->addBuffer(simgear::Effect::SPEC_EMIS_BUFFER, info->getBuffer( flightgear::RenderBufferInfo::SPEC_EMIS_BUFFER ) );
cv->addBuffer(simgear::Effect::LIGHTING_BUFFER, info->getBuffer( flightgear::RenderBufferInfo::LIGHTING_BUFFER ) );
// cv->addBuffer(simgear::Effect::AO_BUFFER, info->gBuffer->aoBuffer[2]);
if ( !info->getRenderStageInfo(kind).fullscreen )
info->setMatrices( camera );
cv->traverse( *camera );
if ( kind == flightgear::GEOMETRY_CAMERA ) {
// Save transparent bins to render later
osgUtil::RenderStage* renderStage = cv->getRenderStage();
osgUtil::RenderBin::RenderBinList& rbl = renderStage->getRenderBinList();
for (osgUtil::RenderBin::RenderBinList::iterator rbi = rbl.begin(); rbi != rbl.end(); ) {
if (rbi->second->getSortMode() == osgUtil::RenderBin::SORT_BACK_TO_FRONT) {
info->savedTransparentBins.insert( std::make_pair( rbi->first, rbi->second ) );
rbl.erase( rbi++ );
} else {
++rbi;
}
}
} else if ( kind == flightgear::LIGHTING_CAMERA ) {
//if (info->mainShadowCamera.valid()) {
// osg::Group* grp = info->mainShadowCamera->getChild(0)->asGroup();
// for (int i = 0; i < 4; ++i ) {
// osg::TexGen* shadowTexGen = info->shadowTexGen[i];
// shadowTexGen->setMode(osg::TexGen::EYE_LINEAR);
// osg::Camera* cascadeCam = static_cast<osg::Camera*>( grp->getChild(i) );
// // compute the matrix which takes a vertex from view coords into tex coords
// shadowTexGen->setPlanesFromMatrix( cascadeCam->getProjectionMatrix() *
// osg::Matrix::translate(1.0,1.0,1.0) *
// osg::Matrix::scale(0.5f,0.5f,0.5f) );
// osg::RefMatrix * refMatrix = new osg::RefMatrix( cascadeCam->getInverseViewMatrix() * *cv->getModelViewMatrix() );
// cv->getRenderStage()->getPositionalStateContainer()->addPositionedTextureAttribute( i+1, refMatrix, shadowTexGen );
// }
//}
// Render saved transparent render bins
osgUtil::RenderStage* renderStage = cv->getRenderStage();
osgUtil::RenderBin::RenderBinList& rbl = renderStage->getRenderBinList();
for (osgUtil::RenderBin::RenderBinList::iterator rbi = info->savedTransparentBins.begin(); rbi != info->savedTransparentBins.end(); ++rbi ){
rbl.insert( std::make_pair( rbi->first + 10000, rbi->second ) );
}
info->savedTransparentBins.clear();
}
}
private:
flightgear::CameraKind kind;
CameraInfo* info;
};
osg::Texture2D* buildDeferredBuffer(GLint internalFormat, GLenum sourceFormat, GLenum sourceType, osg::Texture::WrapMode wrapMode)
{
osg::Texture2D* tex = new osg::Texture2D;
tex->setResizeNonPowerOfTwoHint( false );
tex->setInternalFormat( internalFormat );
tex->setSourceFormat( sourceFormat );
tex->setSourceType( sourceType );
tex->setFilter( osg::Texture2D::MIN_FILTER, osg::Texture2D::LINEAR );
tex->setFilter( osg::Texture2D::MAG_FILTER, osg::Texture2D::LINEAR );
tex->setWrap( osg::Texture::WRAP_S, wrapMode );
tex->setWrap( osg::Texture::WRAP_T, wrapMode );
return tex;
}
void buildDeferredBuffers( flightgear::CameraInfo* info )
{
info->addBuffer(flightgear::RenderBufferInfo::DEPTH_BUFFER, buildDeferredBuffer( GL_DEPTH_COMPONENT32, GL_DEPTH_COMPONENT, GL_FLOAT, osg::Texture::CLAMP_TO_BORDER) );
info->addBuffer(flightgear::RenderBufferInfo::NORMAL_BUFFER, buildDeferredBuffer( 0x822C /*GL_RG16*/, 0x8227 /*GL_RG*/, GL_UNSIGNED_SHORT, osg::Texture::CLAMP_TO_BORDER) );
info->addBuffer(flightgear::RenderBufferInfo::DIFFUSE_BUFFER, buildDeferredBuffer( GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, osg::Texture::CLAMP_TO_BORDER) );
info->addBuffer(flightgear::RenderBufferInfo::SPEC_EMIS_BUFFER, buildDeferredBuffer( GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, osg::Texture::CLAMP_TO_BORDER) );
info->addBuffer(flightgear::RenderBufferInfo::LIGHTING_BUFFER, buildDeferredBuffer( GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, osg::Texture::CLAMP_TO_BORDER) );
}
void attachBufferToCamera( flightgear::CameraInfo* info, osg::Camera* camera, osg::Camera::BufferComponent c, flightgear::CameraKind ck, flightgear::RenderBufferInfo::Kind bk )
{
camera->attach( c, info->getBuffer(bk) );
info->getRenderStageInfo(ck).buffers.insert( std::make_pair( c, bk ) );
}
osg::Camera* FGRenderer::buildDeferredGeometryCamera( flightgear::CameraInfo* info, osg::GraphicsContext* gc )
{
osg::Camera* camera = new osg::Camera;
info->addCamera(flightgear::GEOMETRY_CAMERA, camera );
camera->setCullMask( ~simgear::MODELLIGHT_BIT );
camera->setName( "GeometryCamera" );
camera->setGraphicsContext( gc );
camera->setCullCallback( new FGDeferredRenderingCameraCullCallback( flightgear::GEOMETRY_CAMERA, info ) );
camera->setClearMask( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
camera->setClearColor( osg::Vec4( 0., 0., 0., 0. ) );
camera->setClearDepth( 1.0 );
camera->setRenderTargetImplementation( osg::Camera::FRAME_BUFFER_OBJECT );
camera->setViewport( new osg::Viewport );
attachBufferToCamera( info, camera, osg::Camera::DEPTH_BUFFER, flightgear::GEOMETRY_CAMERA, flightgear::RenderBufferInfo::DEPTH_BUFFER );
attachBufferToCamera( info, camera, osg::Camera::COLOR_BUFFER0, flightgear::GEOMETRY_CAMERA, flightgear::RenderBufferInfo::NORMAL_BUFFER );
attachBufferToCamera( info, camera, osg::Camera::COLOR_BUFFER1, flightgear::GEOMETRY_CAMERA, flightgear::RenderBufferInfo::DIFFUSE_BUFFER );
attachBufferToCamera( info, camera, osg::Camera::COLOR_BUFFER2, flightgear::GEOMETRY_CAMERA, flightgear::RenderBufferInfo::SPEC_EMIS_BUFFER );
camera->setDrawBuffer(GL_FRONT);
camera->setReadBuffer(GL_FRONT);
camera->addChild( mDeferredRealRoot.get() );
return camera;
}
#define STRINGIFY(x) #x
#define TOSTRING(x) STRINGIFY(x)
const char *ambient_vert_src = ""
"#line " TOSTRING(__LINE__) " 1\n"
"void main() {\n"
" gl_Position = gl_Vertex;\n"
" gl_TexCoord[0] = gl_MultiTexCoord0;\n"
"}\n";
const char *ambient_frag_src = ""
"#line " TOSTRING(__LINE__) " 1\n"
"uniform sampler2D color_tex;\n"
"uniform sampler2D ao_tex;\n"
"uniform sampler2D normal_tex;\n"
"uniform sampler2D spec_emis_tex;\n"
"uniform vec4 fg_SunAmbientColor;\n"
"void main() {\n"
" vec2 coords = gl_TexCoord[0].xy;\n"
" float initialized = texture2D( spec_emis_tex, coords ).a;\n"
" if ( initialized < 0.1 )\n"
" discard;\n"
" vec3 tcolor = texture2D( color_tex, coords ).rgb;\n"
" float ao = texture2D( ao_tex, coords ).r;\n"
" gl_FragColor = vec4(tcolor*fg_SunAmbientColor.rgb*ao, 1.0);\n"
"}\n";
const char *sunlight_vert_src = ""
"#line " TOSTRING(__LINE__) " 1\n"
// "uniform mat4 fg_ViewMatrixInverse;\n"
"uniform mat4 fg_ProjectionMatrixInverse;\n"
"varying vec3 ray;\n"
"void main() {\n"
" gl_Position = gl_Vertex;\n"
" gl_TexCoord[0] = gl_MultiTexCoord0;\n"
// " ray = (fg_ViewMatrixInverse * vec4((fg_ProjectionMatrixInverse * gl_Vertex).xyz, 0.0)).xyz;\n"
" ray = (fg_ProjectionMatrixInverse * gl_Vertex).xyz;\n"
"}\n";
const char *sunlight_frag_src = ""
"#version 130\n"
"#line " TOSTRING(__LINE__) " 1\n"
"uniform mat4 fg_ViewMatrix;\n"
"uniform sampler2D depth_tex;\n"
"uniform sampler2D normal_tex;\n"
"uniform sampler2D color_tex;\n"
"uniform sampler2D spec_emis_tex;\n"
"uniform sampler2DShadow shadow_tex;\n"
"uniform vec4 fg_SunDiffuseColor;\n"
"uniform vec4 fg_SunSpecularColor;\n"
"uniform vec3 fg_SunDirection;\n"
"uniform vec3 fg_Planes;\n"
"varying vec3 ray;\n"
"vec4 DynamicShadow( in vec4 ecPosition, out vec4 tint )\n"
"{\n"
" vec4 coords;\n"
" vec2 shift = vec2( 0.0 );\n"
" int index = 4;\n"
" if (ecPosition.z > -5.0) {\n"
" index = 1;\n"
" tint = vec4(0.0,1.0,0.0,1.0);\n"
" } else if (ecPosition.z > -50.0) {\n"
" index = 2;\n"
" shift = vec2( 0.0, 0.5 );\n"
" tint = vec4(0.0,0.0,1.0,1.0);\n"
" } else if (ecPosition.z > -512.0) {\n"
" index = 3;\n"
" shift = vec2( 0.5, 0.0 );\n"
" tint = vec4(1.0,1.0,0.0,1.0);\n"
" } else if (ecPosition.z > -10000.0) {\n"
" shift = vec2( 0.5, 0.5 );\n"
" tint = vec4(1.0,0.0,0.0,1.0);\n"
" } else {\n"
" return vec4(1.1,1.1,0.0,1.0);\n" // outside, clamp to border
" }\n"
" coords.s = dot( ecPosition, gl_EyePlaneS[index] );\n"
" coords.t = dot( ecPosition, gl_EyePlaneT[index] );\n"
" coords.p = dot( ecPosition, gl_EyePlaneR[index] );\n"
" coords.q = dot( ecPosition, gl_EyePlaneQ[index] );\n"
" coords.st *= .5;\n"
" coords.st += shift;\n"
" return coords;\n"
"}\n"
"void main() {\n"
" vec2 coords = gl_TexCoord[0].xy;\n"
" vec4 spec_emis = texture2D( spec_emis_tex, coords );\n"
" if ( spec_emis.a < 0.1 )\n"
" discard;\n"
" vec3 normal;\n"
" normal.xy = texture2D( normal_tex, coords ).rg;\n"
" normal.z = sqrt( 1.0 - dot( normal.xy, normal.xy ) );\n"
" float len = length(normal);\n"
" normal /= len;\n"
" vec3 viewDir = normalize(ray);\n"
" float depth = texture2D( depth_tex, coords ).r;\n"
" vec3 pos;\n"
" pos.z = - fg_Planes.y / (fg_Planes.x + depth * fg_Planes.z);\n"
" pos.xy = viewDir.xy / viewDir.z * pos.z;\n"
" vec4 tint;\n"
#if 0
" float shadow = shadow2DProj( shadow_tex, DynamicShadow( vec4( pos, 1.0 ), tint ) ).r;\n"
#elif 1
" float shadow = 1.0;\n"
#else
" float kernel[9] = float[]( 36/256.0, 24/256.0, 6/256.0,\n"
" 24/256.0, 16/256.0, 4/256.0,\n"
" 6/256.0, 4/256.0, 1/256.0 );\n"
" float shadow = 0;\n"
" for( int x = -2; x <= 2; ++x )\n"
" for( int y = -2; y <= 2; ++y )\n"
" shadow += kernel[abs(x)*3 + abs(y)] * shadow2DProj( shadow_tex, DynamicShadow( vec4(pos + vec3(0.05 * x, 0.05 * y, 0), 1.0), tint ) ).r;\n"
#endif
" vec3 lightDir = (fg_ViewMatrix * vec4( fg_SunDirection, 0.0 )).xyz;\n"
" lightDir = normalize( lightDir );\n"
" vec3 color = texture2D( color_tex, coords ).rgb;\n"
" vec3 Idiff = clamp( dot( lightDir, normal ), 0.0, 1.0 ) * color * fg_SunDiffuseColor.rgb;\n"
" vec3 halfDir = lightDir - viewDir;\n"
" len = length( halfDir );\n"
" vec3 Ispec = vec3(0.0);\n"
" vec3 Iemis = spec_emis.z * color;\n"
" if (len > 0.0001) {\n"
" halfDir /= len;\n"
" Ispec = pow( clamp( dot( halfDir, normal ), 0.0, 1.0 ), spec_emis.y * 255.0 ) * spec_emis.x * color * fg_SunSpecularColor.rgb;\n"
" }\n"
" gl_FragColor = vec4(mix(vec3(0.0), Idiff + Ispec, shadow) + Iemis, 1.0);\n"
// " gl_FragColor = mix(tint, vec4(mix(vec3(0.0), Idiff + Ispec, shadow) + Iemis, 1.0), 0.92);\n"
"}\n";
const char *fog_vert_src = ""
"#line " TOSTRING(__LINE__) " 1\n"
"uniform mat4 fg_ProjectionMatrixInverse;\n"
"varying vec3 ray;\n"
"void main() {\n"
" gl_Position = gl_Vertex;\n"
" gl_TexCoord[0] = gl_MultiTexCoord0;\n"
" ray = (fg_ProjectionMatrixInverse * gl_Vertex).xyz;\n"
"}\n";
const char *fog_frag_src = ""
"#line " TOSTRING(__LINE__) " 1\n"
"uniform sampler2D depth_tex;\n"
"uniform sampler2D normal_tex;\n"
"uniform sampler2D color_tex;\n"
"uniform sampler2D spec_emis_tex;\n"
"uniform vec4 fg_FogColor;\n"
"uniform float fg_FogDensity;\n"
"uniform vec3 fg_Planes;\n"
"varying vec3 ray;\n"
"void main() {\n"
" vec2 coords = gl_TexCoord[0].xy;\n"
" float initialized = texture2D( spec_emis_tex, coords ).a;\n"
" if ( initialized < 0.1 )\n"
" discard;\n"
" vec3 normal;\n"
" normal.xy = texture2D( normal_tex, coords ).rg;\n"
" normal.z = sqrt( 1.0 - dot( normal.xy, normal.xy ) );\n"
" float len = length(normal);\n"
" normal /= len;\n"
" vec3 viewDir = normalize(ray);\n"
" float depth = texture2D( depth_tex, coords ).r;\n"
" vec3 pos;\n"
" pos.z = - fg_Planes.y / (fg_Planes.x + depth * fg_Planes.z);\n"
" pos.xy = viewDir.xy / viewDir.z * pos.z;\n"
" float fogFactor = 0.0;\n"
" const float LOG2 = 1.442695;\n"
" fogFactor = exp2(-fg_FogDensity * fg_FogDensity * pos.z * pos.z * LOG2);\n"
" fogFactor = clamp(fogFactor, 0.0, 1.0);\n"
" gl_FragColor = vec4(fg_FogColor.rgb, 1.0 - fogFactor);\n"
"}\n";
osg::Camera* FGRenderer::buildDeferredLightingCamera( flightgear::CameraInfo* info, osg::GraphicsContext* gc )
{
osg::Camera* camera = new osg::Camera;
info->addCamera(flightgear::LIGHTING_CAMERA, camera );
camera->setCullCallback( new FGDeferredRenderingCameraCullCallback( flightgear::LIGHTING_CAMERA, info ) );
camera->setAllowEventFocus(false);
camera->setGraphicsContext(gc);
camera->setViewport(new Viewport);
camera->setName("LightingCamera");
camera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
camera->setRenderOrder(osg::Camera::POST_RENDER, 50);
camera->setRenderTargetImplementation( osg::Camera::FRAME_BUFFER_OBJECT );
camera->setViewport( new osg::Viewport );
attachBufferToCamera( info, camera, osg::Camera::DEPTH_BUFFER, flightgear::LIGHTING_CAMERA, flightgear::RenderBufferInfo::DEPTH_BUFFER );
attachBufferToCamera( info, camera, osg::Camera::COLOR_BUFFER, flightgear::LIGHTING_CAMERA, flightgear::RenderBufferInfo::LIGHTING_BUFFER );
camera->setDrawBuffer(GL_FRONT);
camera->setReadBuffer(GL_FRONT);
camera->setClearColor( osg::Vec4( 0., 0., 0., 1. ) );
camera->setClearMask( GL_COLOR_BUFFER_BIT );
osg::StateSet* ss = camera->getOrCreateStateSet();
ss->setAttribute( new osg::Depth(osg::Depth::LESS, 0.0, 1.0, false) );
osg::Group* lightingGroup = new osg::Group;
osg::Camera* quadCam1 = new osg::Camera;
quadCam1->setName( "QuadCamera1" );
quadCam1->setClearMask(0);
quadCam1->setAllowEventFocus(false);
quadCam1->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
quadCam1->setRenderOrder(osg::Camera::NESTED_RENDER);
quadCam1->setViewMatrix(osg::Matrix::identity());
quadCam1->setProjectionMatrixAsOrtho2D(-1,1,-1,1);
quadCam1->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
ss = quadCam1->getOrCreateStateSet();
ss->addUniform( _ambientFactor );
ss->addUniform( info->projInverse );
ss->addUniform( info->viewInverse );
ss->addUniform( info->view );
ss->addUniform( _sunDiffuse );
ss->addUniform( _sunSpecular );
ss->addUniform( _sunDirection );
ss->addUniform( _planes );
osg::Geometry* g = osg::createTexturedQuadGeometry( osg::Vec3(-1.,-1.,0.), osg::Vec3(2.,0.,0.), osg::Vec3(0.,2.,0.) );
g->setUseDisplayList(false);
simgear::EffectGeode* eg = new simgear::EffectGeode;
simgear::Effect* effect = simgear::makeEffect("Effects/ambient", true);
if (effect) {
eg->setEffect( effect );
} else {
ss = eg->getOrCreateStateSet();
ss->setMode( GL_LIGHTING, osg::StateAttribute::OFF );
ss->setMode( GL_DEPTH_TEST, osg::StateAttribute::OFF );
ss->setTextureAttributeAndModes( 0, info->getBuffer( flightgear::RenderBufferInfo::DEPTH_BUFFER ) );
ss->setTextureAttributeAndModes( 1, info->getBuffer( flightgear::RenderBufferInfo::NORMAL_BUFFER ) );
ss->setTextureAttributeAndModes( 2, info->getBuffer( flightgear::RenderBufferInfo::DIFFUSE_BUFFER ) );
ss->setTextureAttributeAndModes( 3, info->getBuffer( flightgear::RenderBufferInfo::SPEC_EMIS_BUFFER ) );
//ss->setTextureAttributeAndModes( 5, info->gBuffer->aoBuffer[2] );
ss->addUniform( new osg::Uniform( "depth_tex", 0 ) );
ss->addUniform( new osg::Uniform( "normal_tex", 1 ) );
ss->addUniform( new osg::Uniform( "color_tex", 2 ) );
ss->addUniform( new osg::Uniform( "spec_emis_tex", 3 ) );
//ss->addUniform( new osg::Uniform( "ao_tex", 5 ) );
ss->setRenderBinDetails( 0, "RenderBin" );
osg::Program* program = new osg::Program;
program->addShader( new osg::Shader( osg::Shader::VERTEX, ambient_vert_src ) );
program->addShader( new osg::Shader( osg::Shader::FRAGMENT, ambient_frag_src ) );
ss->setAttributeAndModes( program );
}
g->setName( "AmbientQuad" );
eg->setName("AmbientQuad");
eg->setCullingActive(false);
eg->addDrawable(g);
quadCam1->addChild( eg );
g = osg::createTexturedQuadGeometry( osg::Vec3(-1.,-1.,0.), osg::Vec3(2.,0.,0.), osg::Vec3(0.,2.,0.) );
g->setUseDisplayList(false);
g->setName( "SunlightQuad" );
eg = new simgear::EffectGeode;
effect = simgear::makeEffect("Effects/sunlight", true);
if (effect) {
eg->setEffect( effect );
} else {
ss = eg->getOrCreateStateSet();
ss->setMode( GL_LIGHTING, osg::StateAttribute::OFF );
ss->setMode( GL_DEPTH_TEST, osg::StateAttribute::OFF );
ss->setAttributeAndModes( new osg::BlendFunc( osg::BlendFunc::ONE, osg::BlendFunc::ONE ) );
ss->setTextureAttributeAndModes( 0, info->getBuffer( flightgear::RenderBufferInfo::DEPTH_BUFFER ) );
ss->setTextureAttributeAndModes( 1, info->getBuffer( flightgear::RenderBufferInfo::NORMAL_BUFFER ) );
ss->setTextureAttributeAndModes( 2, info->getBuffer( flightgear::RenderBufferInfo::DIFFUSE_BUFFER ) );
ss->setTextureAttributeAndModes( 3, info->getBuffer( flightgear::RenderBufferInfo::SPEC_EMIS_BUFFER ) );
//ss->setTextureAttribute( 4, info->mainShadowMap );
ss->addUniform( new osg::Uniform( "depth_tex", 0 ) );
ss->addUniform( new osg::Uniform( "normal_tex", 1 ) );
ss->addUniform( new osg::Uniform( "color_tex", 2 ) );
ss->addUniform( new osg::Uniform( "spec_emis_tex", 3 ) );
//ss->addUniform( new osg::Uniform( "shadow_tex", 4 ) );
ss->setRenderBinDetails( 1, "RenderBin" );
osg::Program* program = new osg::Program;
program->addShader( new osg::Shader( osg::Shader::VERTEX, sunlight_vert_src ) );
program->addShader( new osg::Shader( osg::Shader::FRAGMENT, sunlight_frag_src ) );
ss->setAttributeAndModes( program );
}
eg->setName("SunlightQuad");
eg->setCullingActive(false);
eg->addDrawable(g);
quadCam1->addChild( eg );
osg::Camera* lightCam = new osg::Camera;
ss = lightCam->getOrCreateStateSet();
ss->addUniform( _planes );
ss->addUniform( info->bufferSize );
lightCam->setName( "LightCamera" );
lightCam->setClearMask(0);
lightCam->setAllowEventFocus(false);
lightCam->setReferenceFrame(osg::Transform::RELATIVE_RF);
lightCam->setRenderOrder(osg::Camera::NESTED_RENDER,1);
lightCam->setViewMatrix(osg::Matrix::identity());
lightCam->setProjectionMatrix(osg::Matrix::identity());
lightCam->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
lightCam->setCullMask( simgear::MODELLIGHT_BIT );
lightCam->setInheritanceMask( osg::CullSettings::ALL_VARIABLES & ~osg::CullSettings::CULL_MASK );
lightCam->addChild( mDeferredRealRoot.get() );
osg::Camera* quadCam2 = new osg::Camera;
quadCam2->setName( "QuadCamera1" );
quadCam2->setClearMask(0);
quadCam2->setAllowEventFocus(false);
quadCam2->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
quadCam2->setRenderOrder(osg::Camera::NESTED_RENDER,2);
quadCam2->setViewMatrix(osg::Matrix::identity());
quadCam2->setProjectionMatrixAsOrtho2D(-1,1,-1,1);
quadCam2->setComputeNearFarMode(osg::CullSettings::DO_NOT_COMPUTE_NEAR_FAR);
ss = quadCam2->getOrCreateStateSet();
ss->addUniform( _ambientFactor );
ss->addUniform( info->projInverse );
ss->addUniform( info->viewInverse );
ss->addUniform( info->view );
ss->addUniform( _sunDiffuse );
ss->addUniform( _sunSpecular );
ss->addUniform( _sunDirection );
ss->addUniform( _fogColor );
ss->addUniform( _fogDensity );
ss->addUniform( _planes );
g = osg::createTexturedQuadGeometry( osg::Vec3(-1.,-1.,0.), osg::Vec3(2.,0.,0.), osg::Vec3(0.,2.,0.) );
g->setUseDisplayList(false);
g->setName( "FogQuad" );
eg = new simgear::EffectGeode;
effect = simgear::makeEffect("Effects/fog", true);
if (effect) {
eg->setEffect( effect );
} else {
ss = eg->getOrCreateStateSet();
ss->setMode( GL_LIGHTING, osg::StateAttribute::OFF );
ss->setMode( GL_DEPTH_TEST, osg::StateAttribute::OFF );
ss->setAttributeAndModes( new osg::BlendFunc( osg::BlendFunc::SRC_ALPHA, osg::BlendFunc::ONE_MINUS_SRC_ALPHA ) );
ss->setTextureAttributeAndModes( 0, info->getBuffer( flightgear::RenderBufferInfo::DEPTH_BUFFER ) );
ss->setTextureAttributeAndModes( 1, info->getBuffer( flightgear::RenderBufferInfo::NORMAL_BUFFER ) );
ss->setTextureAttributeAndModes( 2, info->getBuffer( flightgear::RenderBufferInfo::DIFFUSE_BUFFER ) );
ss->setTextureAttributeAndModes( 3, info->getBuffer( flightgear::RenderBufferInfo::SPEC_EMIS_BUFFER ) );
ss->addUniform( new osg::Uniform( "depth_tex", 0 ) );
ss->addUniform( new osg::Uniform( "normal_tex", 1 ) );
ss->addUniform( new osg::Uniform( "color_tex", 2 ) );
ss->addUniform( new osg::Uniform( "spec_emis_tex", 3 ) );
ss->setRenderBinDetails( 99999, "RenderBin" );
osg::Program* program = new osg::Program;
program->addShader( new osg::Shader( osg::Shader::VERTEX, fog_vert_src ) );
program->addShader( new osg::Shader( osg::Shader::FRAGMENT, fog_frag_src ) );
ss->setAttributeAndModes( program );
}
eg->setName("FogQuad");
eg->setCullingActive(false);
eg->addDrawable(g);
quadCam2->addChild( eg );
lightingGroup->addChild( _sky->getPreRoot() );
lightingGroup->addChild( _sky->getCloudRoot() );
lightingGroup->addChild( quadCam1 );
lightingGroup->addChild( lightCam );
lightingGroup->addChild( quadCam2 );
camera->addChild( lightingGroup );
return camera;
}
flightgear::CameraInfo*
FGRenderer::buildDeferredPipeline(flightgear::CameraGroup* cgroup, unsigned flags, osg::Camera* camera,
const osg::Matrix& view,
const osg::Matrix& projection)
const osg::Matrix& projection,
osg::GraphicsContext* gc)
{
CameraInfo* info = new CameraInfo(flags);
// The camera group will always update the camera
camera->setReferenceFrame(Transform::ABSOLUTE_RF);
buildDeferredBuffers( info );
Camera* farCamera = 0;
cgroup->getViewer()->addSlave(camera, projection, view, false);
installCullVisitor(camera);
osg::Camera* geometryCamera = buildDeferredGeometryCamera( info, gc );
cgroup->getViewer()->addSlave(geometryCamera, false);
installCullVisitor(geometryCamera);
int slaveIndex = cgroup->getViewer()->getNumSlaves() - 1;
info->addCamera( CameraInfo::MAIN_CAMERA, camera, slaveIndex );
camera->setRenderOrder(Camera::POST_RENDER, slaveIndex);
info->getRenderStageInfo(GEOMETRY_CAMERA).slaveIndex = slaveIndex;
osg::Camera* lightingCamera = buildDeferredLightingCamera( info, gc );
cgroup->getViewer()->addSlave(lightingCamera, false);
installCullVisitor(lightingCamera);
slaveIndex = cgroup->getViewer()->getNumSlaves() - 1;
info->getRenderStageInfo(LIGHTING_CAMERA).slaveIndex = slaveIndex;
camera->setName( "DisplayCamera" );
camera->setCullCallback( new FGDeferredRenderingCameraCullCallback( flightgear::DISPLAY_CAMERA, info ) );
camera->setReferenceFrame(Transform::ABSOLUTE_RF);
camera->setAllowEventFocus(false);
osg::Geometry* g = osg::createTexturedQuadGeometry( osg::Vec3(-1.,-1.,0.), osg::Vec3(2.,0.,0.), osg::Vec3(0.,2.,0.) );
g->setUseDisplayList(false); //DEBUG
simgear::EffectGeode* eg = new simgear::EffectGeode;
simgear::Effect* effect = simgear::makeEffect("Effects/display", true);
if (!effect)
{
SG_LOG(SG_VIEW, SG_ALERT, "Effects/display not found");
return 0;
}
eg->setEffect(effect);
eg->setCullingActive(false);
eg->addDrawable(g);
camera->setViewMatrix(osg::Matrix::identity());
camera->setProjectionMatrixAsOrtho2D(-1,1,-1,1);
camera->addChild(eg);
cgroup->getViewer()->addSlave(camera, false);
installCullVisitor(camera);
slaveIndex = cgroup->getViewer()->getNumSlaves() - 1;
info->addCamera( DISPLAY_CAMERA, camera, slaveIndex, true );
camera->setRenderOrder(Camera::POST_RENDER, 99+slaveIndex); //FIXME
cgroup->addCamera(info);
return info;
}
@ -704,6 +1236,7 @@ FGRenderer::setupView( void )
lightSource->setReferenceFrame(osg::LightSource::RELATIVE_RF);
lightSource->setLocalStateSetModes(osg::StateAttribute::ON);
lightSource->setUpdateCallback(new FGLightSourceUpdateCallback);
if ( _classicalRenderer )
mRealRoot->addChild(lightSource);
// we need a white diffuse light for the phase of the moon
osg::LightSource* sunLight = new osg::LightSource;
@ -721,6 +1254,7 @@ FGRenderer::setupView( void )
skyGroup->addChild(_sky->getPreRoot());
sunLight->addChild(skyGroup);
mRoot->addChild(sceneGroup);
if ( _classicalRenderer )
mRoot->addChild(sunLight);
// Clouds are added to the scene graph later
@ -780,12 +1314,16 @@ FGRenderer::setupView( void )
// The clouds are attached directly to the scene graph root
// because, in theory, they don't want the same default state set
// as the rest of the scene. This may not be true in practice.
if ( _classicalRenderer ) {
mRealRoot->addChild(_sky->getCloudRoot());
mRealRoot->addChild(FGCreateRedoutNode());
}
// Attach empty program to the scene root so that shader programs
// don't leak into state sets (effects) that shouldn't have one.
stateSet = mRealRoot->getOrCreateStateSet();
stateSet->setAttributeAndModes(new osg::Program, osg::StateAttribute::ON);
mDeferredRealRoot->addChild( mRealRoot.get() );
}
void FGRenderer::panelChanged()
@ -828,6 +1366,12 @@ FGRenderer::update( ) {
}
FGLight *l = static_cast<FGLight*>(globals->get_subsystem("lighting"));
if (!_classicalRenderer ) {
_ambientFactor->set( toOsg(l->scene_ambient()) );
_sunDiffuse->set( toOsg(l->scene_diffuse()) );
_sunSpecular->set( toOsg(l->scene_specular()) );
_sunDirection->set( osg::Vec3f(l->sun_vec()[0], l->sun_vec()[1], l->sun_vec()[2]) );
}
// update fog params
double actual_visibility;
@ -959,6 +1503,10 @@ FGRenderer::update( ) {
if (_panel_hotspots->getBoolValue())
cullMask |= simgear::PICK_BIT;
CameraGroup::getDefault()->setCameraCullMasks(cullMask);
if ( !_classicalRenderer ) {
_fogColor->set( toOsg( l->adj_fog_color() ) );
_fogDensity->set( float( mUpdateVisitor->getFogExp2Density() ) );
}
}
void
@ -1028,6 +1576,12 @@ FGRenderer::addCamera(osg::Camera* camera, bool useSceneData)
mRealRoot->addChild(camera);
}
void
FGRenderer::setPlanes( double zNear, double zFar )
{
_planes->set( osg::Vec3f( - zFar, - zFar * zNear, zFar - zNear ) );
}
bool
fgDumpSceneGraphToFile(const char* filename)
{
@ -1248,6 +1802,7 @@ bool printVisibleSceneInfo(FGRenderer* renderer)
vsv.doTraversal(viewer->getCamera(), viewer->getSceneData(), vp);
return true;
}
}
// end of renderer.cxx

18
src/Main/renderer.hxx
View file

@ -13,6 +13,7 @@ namespace osg
{
class Camera;
class Group;
class GraphicsContext;
}
namespace osgGA
@ -87,6 +88,7 @@ public:
flightgear::CameraInfo* buildRenderingPipeline(flightgear::CameraGroup* cgroup, unsigned flags, osg::Camera* camera,
const osg::Matrix& view,
const osg::Matrix& projection,
osg::GraphicsContext* gc,
bool useMasterSceneData);
/**
@ -99,11 +101,12 @@ public:
/**
*/
flightgear::CameraInfo* buildDeferredPipeline(flightgear::CameraGroup* cgroup, unsigned flags, osg::Camera* camera,
const osg::Matrix& view,
const osg::Matrix& projection);
const osg::Matrix& view, const osg::Matrix& projection, osg::GraphicsContext* gc);
SGSky* getSky() const { return _sky; }
void setPlanes( double zNear, double zFar );
/**
* inform the renderer when the global (2D) panel is changed
*/
@ -122,6 +125,17 @@ protected:
SGTimeStamp _splash_time;
SGSky* _sky;
bool _classicalRenderer;
osg::Camera* buildDeferredGeometryCamera( flightgear::CameraInfo* info, osg::GraphicsContext* gc );
osg::Camera* buildDeferredLightingCamera( flightgear::CameraInfo* info, osg::GraphicsContext* gc );
osg::ref_ptr<osg::Uniform> _ambientFactor;
osg::ref_ptr<osg::Uniform> _sunDiffuse;
osg::ref_ptr<osg::Uniform> _sunSpecular;
osg::ref_ptr<osg::Uniform> _sunDirection;
osg::ref_ptr<osg::Uniform> _planes;
osg::ref_ptr<osg::Uniform> _fogColor;
osg::ref_ptr<osg::Uniform> _fogDensity;
};
bool fgDumpSceneGraphToFile(const char* filename);