391 lines
11 KiB
C++
391 lines
11 KiB
C++
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// Copyright 2009-2020 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include "default.h"
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#include "device.h"
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#include "builder.h"
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#include "../../common/algorithms/parallel_any_of.h"
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#include "scene_triangle_mesh.h"
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#include "scene_quad_mesh.h"
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#include "scene_user_geometry.h"
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#include "scene_instance.h"
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#include "scene_curves.h"
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#include "scene_line_segments.h"
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#include "scene_subdiv_mesh.h"
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#include "scene_grid_mesh.h"
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#include "scene_points.h"
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#include "../subdiv/tessellation_cache.h"
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#include "acceln.h"
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#include "geometry.h"
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namespace embree
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{
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/*! Base class all scenes are derived from */
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class Scene : public AccelN
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{
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ALIGNED_CLASS_(std::alignment_of<Scene>::value);
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public:
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template<typename Ty, bool mblur = false>
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class Iterator
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{
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public:
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Iterator () {}
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Iterator (Scene* scene, bool all = false)
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: scene(scene), all(all) {}
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__forceinline Ty* at(const size_t i)
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{
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Geometry* geom = scene->geometries[i].ptr;
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if (geom == nullptr) return nullptr;
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if (!all && !geom->isEnabled()) return nullptr;
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const size_t mask = geom->getTypeMask() & Ty::geom_type;
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if (!(mask)) return nullptr;
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if ((geom->numTimeSteps != 1) != mblur) return nullptr;
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return (Ty*) geom;
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}
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__forceinline Ty* operator[] (const size_t i) {
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return at(i);
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}
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__forceinline size_t size() const {
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return scene->size();
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}
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__forceinline size_t numPrimitives() const {
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return scene->getNumPrimitives(Ty::geom_type,mblur);
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}
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__forceinline size_t maxPrimitivesPerGeometry()
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{
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size_t ret = 0;
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for (size_t i=0; i<scene->size(); i++) {
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Ty* mesh = at(i);
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if (mesh == nullptr) continue;
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ret = max(ret,mesh->size());
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}
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return ret;
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}
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__forceinline unsigned int maxGeomID()
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{
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unsigned int ret = 0;
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for (size_t i=0; i<scene->size(); i++) {
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Ty* mesh = at(i);
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if (mesh == nullptr) continue;
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ret = max(ret,(unsigned int)i);
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}
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return ret;
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}
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__forceinline unsigned maxTimeStepsPerGeometry()
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{
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unsigned ret = 0;
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for (size_t i=0; i<scene->size(); i++) {
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Ty* mesh = at(i);
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if (mesh == nullptr) continue;
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ret = max(ret,mesh->numTimeSteps);
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}
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return ret;
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}
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private:
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Scene* scene;
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bool all;
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};
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class Iterator2
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{
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public:
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Iterator2 () {}
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Iterator2 (Scene* scene, Geometry::GTypeMask typemask, bool mblur)
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: scene(scene), typemask(typemask), mblur(mblur) {}
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__forceinline Geometry* at(const size_t i)
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{
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Geometry* geom = scene->geometries[i].ptr;
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if (geom == nullptr) return nullptr;
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if (!geom->isEnabled()) return nullptr;
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if (!(geom->getTypeMask() & typemask)) return nullptr;
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if ((geom->numTimeSteps != 1) != mblur) return nullptr;
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return geom;
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}
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__forceinline Geometry* operator[] (const size_t i) {
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return at(i);
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}
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__forceinline size_t size() const {
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return scene->size();
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}
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private:
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Scene* scene;
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Geometry::GTypeMask typemask;
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bool mblur;
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};
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public:
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/*! Scene construction */
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Scene (Device* device);
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/*! Scene destruction */
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~Scene () noexcept;
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private:
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/*! class is non-copyable */
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Scene (const Scene& other) DELETED; // do not implement
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Scene& operator= (const Scene& other) DELETED; // do not implement
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public:
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void createTriangleAccel();
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void createTriangleMBAccel();
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void createQuadAccel();
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void createQuadMBAccel();
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void createHairAccel();
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void createHairMBAccel();
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void createSubdivAccel();
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void createSubdivMBAccel();
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void createUserGeometryAccel();
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void createUserGeometryMBAccel();
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void createInstanceAccel();
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void createInstanceMBAccel();
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void createInstanceExpensiveAccel();
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void createInstanceExpensiveMBAccel();
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void createGridAccel();
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void createGridMBAccel();
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/*! prints statistics about the scene */
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void printStatistics();
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/*! clears the scene */
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void clear();
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/*! detaches some geometry */
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void detachGeometry(size_t geomID);
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void setBuildQuality(RTCBuildQuality quality_flags);
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RTCBuildQuality getBuildQuality() const;
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void setSceneFlags(RTCSceneFlags scene_flags);
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RTCSceneFlags getSceneFlags() const;
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void commit (bool join);
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void commit_task ();
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void build () {}
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void updateInterface();
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/* return number of geometries */
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__forceinline size_t size() const { return geometries.size(); }
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/* bind geometry to the scene */
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unsigned int bind (unsigned geomID, Ref<Geometry> geometry);
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/* determines if scene is modified */
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__forceinline bool isModified() const { return modified; }
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/* sets modified flag */
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__forceinline void setModified(bool f = true) {
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modified = f;
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}
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__forceinline bool isGeometryModified(size_t geomID)
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{
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Ref<Geometry>& g = geometries[geomID];
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if (!g) return false;
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return g->getModCounter() > geometryModCounters_[geomID];
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}
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protected:
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__forceinline void checkIfModifiedAndSet ()
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{
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if (isModified ()) return;
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auto geometryIsModified = [this](size_t geomID)->bool {
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return isGeometryModified(geomID);
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};
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if (parallel_any_of (size_t(0), geometries.size (), geometryIsModified)) {
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setModified ();
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}
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}
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public:
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/* get mesh by ID */
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__forceinline Geometry* get(size_t i) { assert(i < geometries.size()); return geometries[i].ptr; }
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__forceinline const Geometry* get(size_t i) const { assert(i < geometries.size()); return geometries[i].ptr; }
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template<typename Mesh>
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__forceinline Mesh* get(size_t i) {
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assert(i < geometries.size());
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assert(geometries[i]->getTypeMask() & Mesh::geom_type);
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return (Mesh*)geometries[i].ptr;
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}
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template<typename Mesh>
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__forceinline const Mesh* get(size_t i) const {
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assert(i < geometries.size());
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assert(geometries[i]->getTypeMask() & Mesh::geom_type);
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return (Mesh*)geometries[i].ptr;
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}
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template<typename Mesh>
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__forceinline Mesh* getSafe(size_t i) {
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assert(i < geometries.size());
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if (geometries[i] == null) return nullptr;
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if (!(geometries[i]->getTypeMask() & Mesh::geom_type)) return nullptr;
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else return (Mesh*) geometries[i].ptr;
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}
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__forceinline Ref<Geometry> get_locked(size_t i) {
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Lock<SpinLock> lock(geometriesMutex);
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assert(i < geometries.size());
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return geometries[i];
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}
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/* flag decoding */
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__forceinline bool isFastAccel() const { return !isCompactAccel() && !isRobustAccel(); }
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__forceinline bool isCompactAccel() const { return scene_flags & RTC_SCENE_FLAG_COMPACT; }
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__forceinline bool isRobustAccel() const { return scene_flags & RTC_SCENE_FLAG_ROBUST; }
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__forceinline bool isStaticAccel() const { return !(scene_flags & RTC_SCENE_FLAG_DYNAMIC); }
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__forceinline bool isDynamicAccel() const { return scene_flags & RTC_SCENE_FLAG_DYNAMIC; }
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__forceinline bool hasContextFilterFunction() const {
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return scene_flags & RTC_SCENE_FLAG_CONTEXT_FILTER_FUNCTION;
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}
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__forceinline bool hasGeometryFilterFunction() {
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return world.numFilterFunctions != 0;
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}
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__forceinline bool hasFilterFunction() {
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return hasContextFilterFunction() || hasGeometryFilterFunction();
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}
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/* test if scene got already build */
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__forceinline bool isBuild() const { return is_build; }
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public:
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IDPool<unsigned,0xFFFFFFFE> id_pool;
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vector<Ref<Geometry>> geometries; //!< list of all user geometries
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vector<unsigned int> geometryModCounters_;
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vector<float*> vertices;
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public:
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Device* device;
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/* these are to detect if we need to recreate the acceleration structures */
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bool flags_modified;
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unsigned int enabled_geometry_types;
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RTCSceneFlags scene_flags;
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RTCBuildQuality quality_flags;
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MutexSys buildMutex;
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SpinLock geometriesMutex;
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bool is_build;
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private:
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bool modified; //!< true if scene got modified
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public:
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/*! global lock step task scheduler */
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#if defined(TASKING_INTERNAL)
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MutexSys schedulerMutex;
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Ref<TaskScheduler> scheduler;
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#elif defined(TASKING_TBB) && TASKING_TBB_USE_TASK_ISOLATION
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tbb::isolated_task_group group;
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#elif defined(TASKING_TBB)
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tbb::task_group group;
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#elif defined(TASKING_PPL)
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concurrency::task_group group;
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#endif
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public:
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struct BuildProgressMonitorInterface : public BuildProgressMonitor {
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BuildProgressMonitorInterface(Scene* scene)
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: scene(scene) {}
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void operator() (size_t dn) const { scene->progressMonitor(double(dn)); }
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private:
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Scene* scene;
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};
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BuildProgressMonitorInterface progressInterface;
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RTCProgressMonitorFunction progress_monitor_function;
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void* progress_monitor_ptr;
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std::atomic<size_t> progress_monitor_counter;
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void progressMonitor(double nprims);
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void setProgressMonitorFunction(RTCProgressMonitorFunction func, void* ptr);
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private:
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GeometryCounts world; //!< counts for geometry
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public:
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__forceinline size_t numPrimitives() const {
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return world.size();
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}
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__forceinline size_t getNumPrimitives(Geometry::GTypeMask mask, bool mblur) const
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{
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size_t count = 0;
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if (mask & Geometry::MTY_TRIANGLE_MESH)
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count += mblur ? world.numMBTriangles : world.numTriangles;
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if (mask & Geometry::MTY_QUAD_MESH)
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count += mblur ? world.numMBQuads : world.numQuads;
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if (mask & Geometry::MTY_CURVE2)
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count += mblur ? world.numMBLineSegments : world.numLineSegments;
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if (mask & Geometry::MTY_CURVE4)
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count += mblur ? world.numMBBezierCurves : world.numBezierCurves;
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if (mask & Geometry::MTY_POINTS)
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count += mblur ? world.numMBPoints : world.numPoints;
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if (mask & Geometry::MTY_SUBDIV_MESH)
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count += mblur ? world.numMBSubdivPatches : world.numSubdivPatches;
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if (mask & Geometry::MTY_USER_GEOMETRY)
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count += mblur ? world.numMBUserGeometries : world.numUserGeometries;
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if (mask & Geometry::MTY_INSTANCE_CHEAP)
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count += mblur ? world.numMBInstancesCheap : world.numInstancesCheap;
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if (mask & Geometry::MTY_INSTANCE_EXPENSIVE)
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count += mblur ? world.numMBInstancesExpensive : world.numInstancesExpensive;
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if (mask & Geometry::MTY_GRID_MESH)
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count += mblur ? world.numMBGrids : world.numGrids;
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return count;
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}
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template<typename Mesh, bool mblur>
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__forceinline unsigned getNumTimeSteps()
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{
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if (!mblur)
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return 1;
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Scene::Iterator<Mesh,mblur> iter(this);
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return iter.maxTimeStepsPerGeometry();
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}
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template<typename Mesh, bool mblur>
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__forceinline unsigned int getMaxGeomID()
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{
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Scene::Iterator<Mesh,mblur> iter(this);
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return iter.maxGeomID();
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}
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};
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}
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