NodeRendererResult SurfelRenderer::displayNode(FrameContext & context, Node * node, const RenderParam & /*rp*/){
static const Util::StringIdentifier SURFEL_ATTRIBUTE("surfels");
auto surfelAttribute = dynamic_cast<Util::ReferenceAttribute<Rendering::Mesh>*>(node->findAttribute( SURFEL_ATTRIBUTE ));
if( !surfelAttribute || !surfelAttribute->get())
return NodeRendererResult::PASS_ON;
Rendering::Mesh& surfelMesh = *surfelAttribute->get();
const Geometry::Rect projection = context.getProjectedRect(node);
const float approxProjectedSideLength = std::sqrt(projection.getHeight() * projection.getWidth());
// const auto& worldBB = node->getWorldBB();
// const float approxProjectedSideLength = projectionScale * worldBB.getDiameter() / (worldBB.getCenter()-cameraOrigin).length();
if(approxProjectedSideLength > maxSideLength)
return NodeRendererResult::PASS_ON;
static const Util::StringIdentifier REL_COVERING_ATTRIBUTE("surfelRelCovering");
auto surfelCoverageAttr = node->findAttribute(REL_COVERING_ATTRIBUTE);
const float relCovering = surfelCoverageAttr ? surfelCoverageAttr->toFloat() : 0.5;
const float approxProjectedArea = approxProjectedSideLength * approxProjectedSideLength * relCovering;
uint32_t surfelCount = std::min( surfelMesh.isUsingIndexData() ? surfelMesh.getIndexCount() : surfelMesh.getVertexCount(),
static_cast<uint32_t>(approxProjectedArea * countFactor) + 1);
float surfelSize = std::min(sizeFactor * approxProjectedArea / surfelCount,maxSurfelSize);
bool handled = true;
if(approxProjectedSideLength > minSideLength && minSideLength<maxSideLength){
const float f = 1.0f -(approxProjectedSideLength-minSideLength) / (maxSideLength-minSideLength);
surfelCount = std::min( surfelMesh.isUsingIndexData() ? surfelMesh.getIndexCount() : surfelMesh.getVertexCount(),
static_cast<uint32_t>(f * surfelCount) + 1);
surfelSize *= f;
handled = false;
// std::cout << approxProjectedSideLength<<"\t"<<f<<"\n";
}
// std::cout << surfelSize<<"\t"<<"\n";
// if( node->getRenderingLayers()&0x02 )
// std::cout << "pSize"<<approxProjectedSideLength << "\t#:"<<surfelCount<<"\ts:"<<surfelSize<<"\n";
auto& renderingContext = context.getRenderingContext();
static Rendering::Uniform enableSurfels("renderSurfels", true);
static Rendering::Uniform disableSurfels("renderSurfels", false);
renderingContext.setGlobalUniform(enableSurfels);
renderingContext.pushAndSetPointParameters( Rendering::PointParameters(std::min(surfelSize,32.0f) ));
renderingContext.pushAndSetMatrix_modelToCamera( renderingContext.getMatrix_worldToCamera() );
renderingContext.multMatrix_modelToCamera(node->getWorldTransformationMatrix());
context.displayMesh(&surfelMesh, 0, surfelCount );
renderingContext.popMatrix_modelToCamera();
renderingContext.popPointParameters();
renderingContext.setGlobalUniform(disableSurfels);
return handled ? NodeRendererResult::NODE_HANDLED : NodeRendererResult::PASS_ON;
}
void ParticlePointRenderer::operator()(ParticleSystemNode* psys, FrameContext & context, const RenderParam & rp /* = 0 */) {
if ( (rp.getFlag(NO_GEOMETRY)) )
return;
// render particles
std::vector<Particle> & particles = psys->getParticles();
uint32_t count = psys->getParticleCount();
Rendering::VertexDescription vertexDesc;
const Rendering::VertexAttribute & posAttrib = vertexDesc.appendPosition3D();
const Rendering::VertexAttribute & colorAttrib = vertexDesc.appendColorRGBAByte();
// The usage of a cache for the mesh has been tested. Reusing a preallocated mesh is not faster.
Util::Reference<Rendering::Mesh> mesh = new Rendering::Mesh(vertexDesc, count, count);
mesh->setDataStrategy(Rendering::SimpleMeshDataStrategy::getPureLocalStrategy());
mesh->setDrawMode(Rendering::Mesh::DRAW_POINTS);
// mesh->setUseIndexData(false);
Rendering::MeshIndexData & indexData = mesh->openIndexData();
Rendering::MeshVertexData & vertexData = mesh->openVertexData();
Util::Reference<Rendering::PositionAttributeAccessor> positionAccessor = Rendering::PositionAttributeAccessor::create(vertexData, posAttrib.getNameId());
Util::Reference<Rendering::ColorAttributeAccessor> colorAccessor = Rendering::ColorAttributeAccessor::create(vertexData, colorAttrib.getNameId());
uint32_t * indices = indexData.data();
for(uint_fast32_t index = 0; index < count; ++index) {
const Particle & p = particles[index];
colorAccessor->setColor(index, p.color);
positionAccessor->setPosition(index, p.position);
*indices++ = index;
}
indexData.markAsChanged();
indexData.updateIndexRange();
vertexData.markAsChanged();
vertexData.updateBoundingBox();
context.displayMesh(mesh.get());
}
State::stateResult_t VisibilitySubdivisionRenderer::doEnableState(
FrameContext & context,
Node *,
const RenderParam & rp) {
if (rp.getFlag(SKIP_RENDERER)) {
return State::STATE_SKIPPED;
}
if (viSu == nullptr) {
// Invalid information. => Fall back to standard rendering.
return State::STATE_SKIPPED;
}
// [AccumRendering]
if(accumRenderingEnabled){
// camera moved? -> start new frame
const Geometry::Matrix4x4 & newCamMat=context.getCamera()->getWorldTransformationMatrix();
if(newCamMat!=lastCamMatrix){
lastCamMatrix = newCamMat;
startRuntime=0;
}
}else{
startRuntime=0;
}
// ----
uint32_t renderedTriangles = 0;
if (hold) {
for (const auto & object : holdObjects) {
if (debugOutput) {
debugDisplay(renderedTriangles, object, context, rp);
} else {
context.displayNode(object, rp);
}
}
return State::STATE_SKIP_RENDERING;
}
Geometry::Vec3 pos = context.getCamera()->getWorldOrigin();
bool refreshCache = false;
// Check if cached cell can be used.
if (currentCell == nullptr || !currentCell->getBB().contains(pos)) {
currentCell = viSu->getNodeAtPosition(pos);
refreshCache = true;
}
if (currentCell == nullptr || !currentCell->isLeaf()) {
// Invalid information. => Fall back to standard rendering.
return State::STATE_SKIPPED;
}
if (refreshCache) {
try {
const auto & vv = getVV(currentCell);
const uint32_t maxIndex = vv.getIndexCount();
objects.clear();
objects.reserve(maxIndex);
for(uint_fast32_t index = 0; index < maxIndex; ++index) {
if(vv.getBenefits(index) == 0) {
continue;
}
const VisibilityVector::costs_t costs = vv.getCosts(index);
const VisibilityVector::benefits_t benefits = vv.getBenefits(index);
const float score = static_cast<float>(costs) / static_cast<float>(benefits);
objects.emplace_back(score, vv.getNode(index));
}
} catch(...) {
// Invalid information. => Fall back to standard rendering.
return State::STATE_SKIPPED;
}
if (displayTexturedDepthMeshes) {
#ifdef MINSG_EXT_OUTOFCORE
for (const auto & depthMesh : depthMeshes) {
OutOfCore::getCacheManager().setUserPriority(depthMesh.get(), 0);
}
#endif /* MINSG_EXT_OUTOFCORE */
depthMeshes.clear();
depthMeshes.reserve(6);
textures.clear();
textures.reserve(6);
const std::string dmDirectionStrings[6] = { "-dir_x1_y0_z0", "-dir_x-1_y0_z0",
"-dir_x0_y1_z0", "-dir_x0_y-1_z0",
"-dir_x0_y0_z1", "-dir_x0_y0_z-1" };
for (auto & dmDirectionString : dmDirectionStrings) {
Util::GenericAttribute * attrib = currentCell->getAttribute("DepthMesh" + dmDirectionString);
if (attrib == nullptr) {
continue;
}
Util::FileName dmMeshPath(attrib->toString());
Util::Reference<Rendering::Mesh> dmMesh;
#ifdef MINSG_EXT_OUTOFCORE
Util::GenericAttribute * bbAttrib = currentCell->getAttribute("DepthMesh" + dmDirectionString + "-bounds");
if (bbAttrib == nullptr) {
WARN("Found depth mesh with no bounding box.");
continue;
}
std::vector<float> bbValues = Util::StringUtils::toFloats(bbAttrib->toString());
FAIL_IF(bbValues.size() != 6);
const Geometry::Box meshBB(Geometry::Vec3(bbValues[0], bbValues[1], bbValues[2]), bbValues[3], bbValues[4], bbValues[5]);
dmMesh = OutOfCore::addMesh(dmMeshPath, meshBB);
#else /* MINSG_EXT_OUTOFCORE */
dmMesh = Rendering::Serialization::loadMesh(dmMeshPath);
#endif /* MINSG_EXT_OUTOFCORE */
depthMeshes.emplace_back(dmMesh);
// Count the depth mesh here already.
renderedTriangles += dmMesh->getPrimitiveCount();
Util::GenericAttribute * texAttrib = currentCell->getAttribute("Texture" + dmDirectionString);
if (texAttrib == nullptr) {
continue;
}
Util::FileName texturePath(texAttrib->toString());
Util::Reference<Rendering::Texture> texture = Rendering::Serialization::loadTexture(texturePath);
if (texture.isNull()) {
WARN("Loading texture for depth mesh failed.");
continue;
}
textures.emplace_back(texture);
}
}
}
const Geometry::Frustum & frustum = context.getCamera()->getFrustum();
holdObjects.clear();
holdObjects.reserve(objects.size());
std::sort(objects.begin(), objects.end());
for(const auto & ratioObjectPair : objects) {
object_ptr o = ratioObjectPair.second;
#ifdef MINSG_EXT_OUTOFCORE
OutOfCore::getCacheManager().setUserPriority(o->getMesh(), 5);
#endif /* MINSG_EXT_OUTOFCORE */
if (conditionalFrustumTest(frustum, o->getWorldBB(), rp)) {
// [AccumRendering]
// skip geometry rendered in the last frame
if(renderedTriangles<startRuntime){
renderedTriangles += o->getTriangleCount();
continue;
}
// ----
if (debugOutput) {
debugDisplay(renderedTriangles, o, context, rp);
} else {
context.displayNode(o, rp);
renderedTriangles += o->getTriangleCount();
}
holdObjects.push_back(o);
}
if (maxRuntime != 0 && renderedTriangles >= startRuntime+maxRuntime) {
break;
}
}
// Draw the textured depth meshes at the end.
if (displayTexturedDepthMeshes) {
context.getRenderingContext().pushAndSetPolygonOffset(Rendering::PolygonOffsetParameters(polygonOffsetFactor, polygonOffsetUnits));
auto texIt = textures.cbegin();
for (const auto & depthMesh : depthMeshes) {
context.getRenderingContext().pushAndSetShader(getTDMShader());
context.getRenderingContext().pushAndSetTexture(0,texIt->get());
if (conditionalFrustumTest(frustum, depthMesh->getBoundingBox(), rp)) {
context.displayMesh(depthMesh.get());
}
context.getRenderingContext().popTexture(0);
context.getRenderingContext().popShader();
#ifdef MINSG_EXT_OUTOFCORE
OutOfCore::getCacheManager().setUserPriority(depthMesh.get(), 2);
#endif /* MINSG_EXT_OUTOFCORE */
++texIt;
}
context.getRenderingContext().popPolygonOffset();
}
// [AccumRendering]
startRuntime=renderedTriangles;
// ----
return State::STATE_SKIP_RENDERING;
}
State::stateResult_t TwinPartitionsRenderer::doEnableState(FrameContext & context, Node *, const RenderParam & rp) {
if (rp.getFlag(SKIP_RENDERER)) {
return State::STATE_SKIPPED;
}
if (data == nullptr) {
// Invalid information. => Fall back to standard rendering.
return State::STATE_SKIPPED;
}
const Geometry::Vec3f pos = context.getCamera()->getWorldOrigin();
// Check if cached cell can be used.
if (currentCell == INVALID_CELL || !data->cells[currentCell].bounds.contains(pos)) {
// Search the cell that contains the camera position.
bool cellFound = false;
const uint32_t cellCount = data->cells.size();
for (uint_fast32_t cell = 0; cell < cellCount; ++cell) {
if (data->cells[cell].bounds.contains(pos)) {
// #ifdef MINSG_EXT_OUTOFCORE
// // Set new priorities if the current cell changes.
// if (currentCell != cell) {
// // Low priority for old depth mesh.
// if (currentCell != INVALID_CELL) {
// for(std::vector<uint32_t>::const_iterator it = data->cells[currentCell].surroundingIds.begin(); it != data->cells[currentCell].surroundingIds.end(); ++it) {
// Rendering::Mesh * depthMesh = data->depthMeshes[*it].get();
// OutOfCore::getCacheManager().setUserPriority(depthMesh, 0);
// }
// }
// // High priority for new depth mesh.
// {
// for(std::vector<uint32_t>::const_iterator it = data->cells[cell].surroundingIds.begin(); it != data->cells[cell].surroundingIds.end(); ++it) {
// Rendering::Mesh * depthMesh = data->depthMeshes[*it].get();
// OutOfCore::getCacheManager().setUserPriority(depthMesh, 20);
// }
// }
// // Low priority for meshes visible from the old cell.
// if (currentCell != INVALID_CELL) {
// const uint32_t oldVisibleSetIndex = data->cells[currentCell].visibleSetId;
// const PartitionsData::visible_set_t & oldVisibleSet = data->visibleSets[oldVisibleSetIndex];
// for (PartitionsData::visible_set_t::const_iterator it = oldVisibleSet.begin(); it != oldVisibleSet.end(); ++it) {
// Rendering::Mesh * mesh = data->objects[it->second].get();
// OutOfCore::getCacheManager().setUserPriority(mesh, 0);
// }
// }
// // High priority for meshes visible from the new cell.
// {
// const uint32_t visibleSetIndex = data->cells[cell].visibleSetId;
// const PartitionsData::visible_set_t & visibleSet = data->visibleSets[visibleSetIndex];
// for (PartitionsData::visible_set_t::const_iterator it = visibleSet.begin(); it != visibleSet.end(); ++it) {
// Rendering::Mesh * mesh = data->objects[it->second].get();
// OutOfCore::getCacheManager().setUserPriority(mesh, 10);
// }
// }
// }
// #endif /* MINSG_EXT_OUTOFCORE */
// Load new textures.
textures.clear();
if(drawTexturedDepthMeshes) {
textures.reserve(6);
for(auto & elem : data->cells[cell].surroundingIds) {
const std::string & textureFile = data->textureFiles[elem];
Util::Reference<Rendering::Texture> texture = Rendering::Serialization::loadTexture(Util::FileName(textureFile));
if(texture == nullptr) {
WARN("Failed to load texture for depth mesh.");
} else {
textures.push_back(texture);
}
}
}
currentCell = cell;
cellFound = true;
break;
}
}
if (!cellFound) {
// Camera outside view space.
currentCell = INVALID_CELL;
return State::STATE_SKIPPED;
}
}
uint32_t renderedTriangles = 0;
const uint32_t visibleSetIndex = data->cells[currentCell].visibleSetId;
const PartitionsData::visible_set_t & visibleSet = data->visibleSets[visibleSetIndex];
if(drawTexturedDepthMeshes) {
for(auto & elem : data->cells[currentCell].surroundingIds) {
Rendering::Mesh * depthMesh = data->depthMeshes[elem].get();
// Count the depth meshes here already.
renderedTriangles += depthMesh->getPrimitiveCount();
}
}
const Geometry::Frustum & frustum = context.getCamera()->getFrustum();
/*float minDist = 9999999.0f;
float maxDist = 0.0f;
float prioSum = 0.0f;
uint_fast32_t objectCounter = 0;
for (PartitionsData::visible_set_t::const_iterator it = visibleSet.begin(); it != visibleSet.end(); ++it) {
Rendering::Mesh * mesh = data->objects[it->second].get();
float dist = mesh->getBoundingBox().getDistance(pos);
minDist = std::min(dist, minDist);
maxDist = std::max(dist, maxDist);
if(objectCounter < 10) {
prioSum += it->first;
++objectCounter;
}
}
std::ofstream output("twinOutput.tsv", ios_base::out | ios_base::app);
output << currentCell << '\t' << data->cells[currentCell].bounds.getDiameter() << '\t' << (data->cells[currentCell].bounds.getCenter() - pos).length() << '\t'
<< visibleSet.begin()->first << '\t'
<< visibleSet.rbegin()->first << '\t'
<< minDist << '\t' << maxDist << '\t' << prioSum << '\t';
for(std::vector<uint32_t>::const_iterator it = data->cells[currentCell].surroundingIds.begin(); it != data->cells[currentCell].surroundingIds.end(); ++it) {
Rendering::Mesh * depthMesh = data->depthMeshes[*it].get();
const Geometry::Box & depthMeshBB = depthMesh->getBoundingBox();
const Geometry::Vec3f originalDirection = (depthMeshBB.getCenter() - data->cells[currentCell].bounds.getCenter()).normalize();
const Geometry::Vec3f currentDirection = (depthMeshBB.getCenter() - pos).normalize();
const float angle = currentDirection.dot(originalDirection);
const bool visible = (frustum.isBoxInFrustum(depthMeshBB) != Frustum::OUTSIDE);
output << '\t';
if(visible) {
output << angle ;
} else {
output << "NA";
}
}
for(uint_fast32_t i = data->cells[currentCell].surroundingIds.size(); i < 6; ++i) {
output << "\tNA";
}
output << std::endl;
output.close();*/
for (auto & elem : visibleSet) {
Rendering::Mesh * mesh = data->objects[elem.second].get();
if (conditionalFrustumTest(frustum, mesh->getBoundingBox(), rp)) {
context.displayMesh(mesh);
renderedTriangles += mesh->getPrimitiveCount();
}
if(rp.getFlag(BOUNDING_BOXES)) {
Rendering::drawWireframeBox(context.getRenderingContext(), mesh->getBoundingBox(), Util::ColorLibrary::RED);
}
if (maxRuntime != 0 && renderedTriangles >= maxRuntime) {
break;
}
}
// Draw the textured depth meshes at the end.
if(drawTexturedDepthMeshes) {
context.getRenderingContext().pushAndSetPolygonOffset(Rendering::PolygonOffsetParameters(polygonOffsetFactor, polygonOffsetUnits));
context.getRenderingContext().pushAndSetShader(getTDMShader());
context.getRenderingContext().pushTexture(0);
auto texIt = textures.begin();
for(auto & elem : data->cells[currentCell].surroundingIds) {
Rendering::Mesh * depthMesh = data->depthMeshes[elem].get();
Rendering::Texture * texture = texIt->get();
context.getRenderingContext().setTexture(0, texture);
if (conditionalFrustumTest(frustum, depthMesh->getBoundingBox(), rp)) {
context.displayMesh(depthMesh);
}
++texIt;
}
context.getRenderingContext().popTexture(0);
context.getRenderingContext().popShader();
context.getRenderingContext().popPolygonOffset();
}
return State::STATE_SKIP_RENDERING;
}
void ParticleBillboardRenderer::operator()(ParticleSystemNode * psys, FrameContext & context, const RenderParam & rp) {
if(rp.getFlag(NO_GEOMETRY)) {
return;
}
const auto & worldToCamera = context.getRenderingContext().getMatrix_worldToCamera();
const auto cameraToWorld = worldToCamera.inverse();
const auto halfRight = cameraToWorld.transformDirection(context.getWorldRightVector() * 0.5f);
const auto halfUp = cameraToWorld.transformDirection(context.getWorldUpVector() * 0.5f);
// 2. just update position for each particle and render
// render particles
const uint32_t count = psys->getParticleCount();
Rendering::VertexDescription vertexDesc;
const Rendering::VertexAttribute & posAttrib = vertexDesc.appendPosition3D();
const Rendering::VertexAttribute & colorAttrib = vertexDesc.appendColorRGBAByte();
const Rendering::VertexAttribute & texCoordAttrib = vertexDesc.appendTexCoord();
// The usage of a cache for the mesh has been tested. Reusing a preallocated mesh is not faster.
Util::Reference<Rendering::Mesh> mesh = new Rendering::Mesh(vertexDesc, 4 * count, 6 * count);
mesh->setDataStrategy(Rendering::SimpleMeshDataStrategy::getPureLocalStrategy());
Rendering::MeshIndexData & indexData = mesh->openIndexData();
Rendering::MeshVertexData & vertexData = mesh->openVertexData();
Util::Reference<Rendering::PositionAttributeAccessor> positionAccessor = Rendering::PositionAttributeAccessor::create(vertexData, posAttrib.getNameId());
Util::Reference<Rendering::ColorAttributeAccessor> colorAccessor = Rendering::ColorAttributeAccessor::create(vertexData, colorAttrib.getNameId());
Util::Reference<Rendering::TexCoordAttributeAccessor> texCoordAccessor = Rendering::TexCoordAttributeAccessor::create(vertexData, texCoordAttrib.getNameId());
uint32_t * indices = indexData.data();
uint_fast32_t index = 0;
for(const auto & p : psys->getParticles()) {
const Geometry::Vec3f upOffset = halfUp * p.size.getHeight();
const Geometry::Vec3f rightOffset = halfRight * p.size.getWidth();
colorAccessor->setColor(index + 0, p.color);
texCoordAccessor->setCoordinate(index + 0, Geometry::Vec2f(0.0f, 0.0f));
positionAccessor->setPosition(index + 0, p.position + upOffset - rightOffset);
colorAccessor->setColor(index + 1, p.color);
texCoordAccessor->setCoordinate(index + 1, Geometry::Vec2f(0.0f, 1.0f));
positionAccessor->setPosition(index + 1, p.position - upOffset - rightOffset);
colorAccessor->setColor(index + 2, p.color);
texCoordAccessor->setCoordinate(index + 2, Geometry::Vec2f(1.0f, 1.0f));
positionAccessor->setPosition(index + 2, p.position - upOffset + rightOffset);
colorAccessor->setColor(index + 3, p.color);
texCoordAccessor->setCoordinate(index + 3, Geometry::Vec2f(1.0f, 0.0f));
positionAccessor->setPosition(index + 3, p.position + upOffset + rightOffset);
*indices++ = index + 0;
*indices++ = index + 1;
*indices++ = index + 3;
*indices++ = index + 1;
*indices++ = index + 2;
*indices++ = index + 3;
index += 4;
}
indexData.markAsChanged();
indexData.updateIndexRange();
vertexData.markAsChanged();
vertexData.updateBoundingBox();
context.displayMesh(mesh.get());
}
