Software renderer for occlusion. More...
#include </home/runner/work/Dviglo/Dviglo/DvigloRepository/Source/Urho3D/Graphics/OcclusionBuffer.h>
Inheritance diagram for Dviglo::OcclusionBuffer:
Public Member Functions | |
| OcclusionBuffer (Context *context) | |
| Construct. | |
| ~OcclusionBuffer () override | |
| Destruct. | |
| bool | SetSize (int width, int height, bool threaded) |
| Set occlusion buffer size and whether to reserve multiple buffers for threading optimization. | |
| void | SetView (Camera *camera) |
| Set camera view to render from. | |
| void | SetMaxTriangles (unsigned triangles) |
| Set maximum triangles to render. | |
| void | SetCullMode (CullMode mode) |
| Set culling mode. | |
| void | Reset () |
| Reset number of triangles. | |
| void | Clear () |
| Clear the buffer. | |
| bool | AddTriangles (const Matrix3x4 &model, const void *vertexData, unsigned vertexSize, unsigned vertexStart, unsigned vertexCount) |
| Submit a triangle mesh to the buffer using non-indexed geometry. Return true if did not overflow the allowed triangle count. | |
| bool | AddTriangles (const Matrix3x4 &model, const void *vertexData, unsigned vertexSize, const void *indexData, unsigned indexSize, unsigned indexStart, unsigned indexCount) |
| Submit a triangle mesh to the buffer using indexed geometry. Return true if did not overflow the allowed triangle count. | |
| void | DrawTriangles () |
| Draw submitted batches. Uses worker threads if enabled during SetSize(). | |
| void | BuildDepthHierarchy () |
| Build reduced size mip levels. | |
| void | ResetUseTimer () |
| Reset last used timer. | |
| int * | GetBuffer () const |
| Return highest level depth values. | |
| const Matrix3x4 & | GetView () const |
| Return view transform matrix. | |
| const Matrix4 & | GetProjection () const |
| Return projection matrix. | |
| int | GetWidth () const |
| Return buffer width. | |
| int | GetHeight () const |
| Return buffer height. | |
| unsigned | GetNumTriangles () const |
| Return number of rendered triangles. | |
| unsigned | GetMaxTriangles () const |
| Return maximum number of triangles. | |
| CullMode | GetCullMode () const |
| Return culling mode. | |
| bool | IsThreaded () const |
| Return whether is using threads to speed up rendering. | |
| bool | IsVisible (const BoundingBox &worldSpaceBox) const |
| Test a bounding box for visibility. For best performance, build depth hierarchy first. | |
| unsigned | GetUseTimer () |
| Return time since last use in milliseconds. | |
| void | DrawBatch (const OcclusionBatch &batch, unsigned threadIndex) |
| Draw a batch. Called internally. | |
 Public Member Functions inherited from Dviglo::Object | |
| Object (Context *context) | |
| Construct. | |
| ~Object () override | |
| Destruct. Clean up self from event sender & receiver structures. | |
| virtual StringHash | GetType () const =0 |
| virtual const String & | GetTypeName () const =0 |
| virtual const TypeInfo * | GetTypeInfo () const =0 |
| Return type info. | |
| virtual void | OnEvent (Object *sender, StringHash eventType, VariantMap &eventData) |
| Handle event. | |
| bool | IsInstanceOf (StringHash type) const |
| Check current instance is type of specified type. | |
| bool | IsInstanceOf (const TypeInfo *typeInfo) const |
| Check current instance is type of specified type. | |
| template<typename T > | |
| bool | IsInstanceOf () const |
| Check current instance is type of specified class. | |
| template<typename T > | |
| T * | Cast () |
| Cast the object to specified most derived class. | |
| template<typename T > | |
| const T * | Cast () const |
| Cast the object to specified most derived class. | |
| void | SubscribeToEvent (StringHash eventType, EventHandler *handler) |
| Subscribe to an event that can be sent by any sender. | |
| void | SubscribeToEvent (Object *sender, StringHash eventType, EventHandler *handler) |
| Subscribe to a specific sender's event. | |
| void | SubscribeToEvent (StringHash eventType, const std::function< void(StringHash, VariantMap &)> &function, void *userData=nullptr) |
| Subscribe to an event that can be sent by any sender. | |
| void | SubscribeToEvent (Object *sender, StringHash eventType, const std::function< void(StringHash, VariantMap &)> &function, void *userData=nullptr) |
| Subscribe to a specific sender's event. | |
| void | UnsubscribeFromEvent (StringHash eventType) |
| Unsubscribe from an event. | |
| void | UnsubscribeFromEvent (Object *sender, StringHash eventType) |
| Unsubscribe from a specific sender's event. | |
| void | UnsubscribeFromEvents (Object *sender) |
| Unsubscribe from a specific sender's events. | |
| void | UnsubscribeFromAllEvents () |
| Unsubscribe from all events. | |
| void | UnsubscribeFromAllEventsExcept (const PODVector< StringHash > &exceptions, bool onlyUserData) |
| Unsubscribe from all events except those listed, and optionally only those with userdata (script registered events). | |
| void | SendEvent (StringHash eventType) |
| Send event to all subscribers. | |
| void | SendEvent (StringHash eventType, VariantMap &eventData) |
| Send event with parameters to all subscribers. | |
| VariantMap & | GetEventDataMap () const |
| Return a preallocated map for event data. Used for optimization to avoid constant re-allocation of event data maps. | |
| template<typename... Args> | |
| void | SendEvent (StringHash eventType, Args... args) |
| Send event with variadic parameter pairs to all subscribers. The parameter pairs is a list of paramID and paramValue separated by comma, one pair after another. | |
| Context * | GetContext () const |
| Return execution context. | |
| const Variant & | GetGlobalVar (StringHash key) const |
| const VariantMap & | GetGlobalVars () const |
| void | SetGlobalVar (StringHash key, const Variant &value) |
| Object * | GetSubsystem (StringHash type) const |
| Return subsystem by type. | |
| Object * | GetEventSender () const |
| Return active event sender. Null outside event handling. | |
| EventHandler * | GetEventHandler () const |
| Return active event handler. Null outside event handling. | |
| bool | HasSubscribedToEvent (StringHash eventType) const |
| Return whether has subscribed to an event without specific sender. | |
| bool | HasSubscribedToEvent (Object *sender, StringHash eventType) const |
| Return whether has subscribed to a specific sender's event. | |
| bool | HasEventHandlers () const |
| Return whether has subscribed to any event. | |
| template<class T > | |
| T * | GetSubsystem () const |
| Template version of returning a subsystem. | |
| const String & | GetCategory () const |
| void | SetBlockEvents (bool block) |
| Block object from sending and receiving events. | |
| bool | GetBlockEvents () const |
| Return sending and receiving events blocking status. | |
| Public Member Functions inherited from Dviglo::RefCounted | |
| RefCounted () | |
| Construct. Allocate the reference count structure and set an initial self weak reference. | |
| virtual | ~RefCounted () |
| Destruct. Mark as expired and also delete the reference count structure if no outside weak references exist. | |
| RefCounted (const RefCounted &rhs)=delete | |
| Prevent copy construction. | |
| RefCounted & | operator= (const RefCounted &rhs)=delete |
| Prevent assignment. | |
| void | AddRef () |
| void | ReleaseRef () |
| int | Refs () const |
| int | WeakRefs () const |
| RefCount * | RefCountPtr () |
| Return pointer to the reference count structure. | |
Private Member Functions | |
| URHO3D_OBJECT (OcclusionBuffer, Object) | |
| Vector4 | ModelTransform (const Matrix4 &transform, const Vector3 &vertex) const |
| Apply modelview transform to vertex. | |
| Vector3 | ViewportTransform (const Vector4 &vertex) const |
| Apply projection and viewport transform to vertex. | |
| Vector4 | ClipEdge (const Vector4 &v0, const Vector4 &v1, float d0, float d1) const |
| Clip an edge. | |
| float | SignedArea (const Vector3 &v0, const Vector3 &v1, const Vector3 &v2) const |
| Return signed area of a triangle. If negative, is clockwise. | |
| void | CalculateViewport () |
| Calculate viewport transform. | |
| void | DrawTriangle (Vector4 *vertices, unsigned threadIndex) |
| Draw a triangle. | |
| void | ClipVertices (const Vector4 &plane, Vector4 *vertices, bool *triangles, unsigned &numTriangles) |
| Clip vertices against a plane. | |
| void | DrawTriangle2D (const Vector3 *vertices, bool clockwise, unsigned threadIndex) |
| Draw a clipped triangle. | |
| void | ClearBuffer (unsigned threadIndex) |
| Clear a thread work buffer. | |
| void | MergeBuffers () |
| Merge thread work buffers into the first buffer. | |
Private Attributes | |
| Vector< OcclusionBufferData > | buffers_ |
| Highest-level buffer data per thread. | |
| Vector< SharedArrayPtr< DepthValue > > | mipBuffers_ |
| Reduced size depth buffers. | |
| PODVector< OcclusionBatch > | batches_ |
| Submitted render jobs. | |
| int | width_ {} |
| Buffer width. | |
| int | height_ {} |
| Buffer height. | |
| unsigned | numTriangles_ {} |
| Number of rendered triangles. | |
| unsigned | maxTriangles_ {OCCLUSION_DEFAULT_MAX_TRIANGLES} |
| Maximum number of triangles. | |
| CullMode | cullMode_ {CULL_CCW} |
| Culling mode. | |
| bool | depthHierarchyDirty_ {true} |
| Depth hierarchy needs update flag. | |
| bool | reverseCulling_ {} |
| Culling reverse flag. | |
| Matrix3x4 | view_ |
| View transform matrix. | |
| Matrix4 | projection_ |
| Projection matrix. | |
| Matrix4 | viewProj_ |
| Combined view and projection matrix. | |
| Timer | useTimer_ |
| Last used timer. | |
| float | nearClip_ {} |
| Near clip distance. | |
| float | farClip_ {} |
| Far clip distance. | |
| float | scaleX_ {} |
| X scaling for viewport transform. | |
| float | scaleY_ {} |
| Y scaling for viewport transform. | |
| float | offsetX_ {} |
| X offset for viewport transform. | |
| float | offsetY_ {} |
| Y offset for viewport transform. | |
| float | projOffsetScaleX_ {} |
| Combined X projection and viewport transform. | |
| float | projOffsetScaleY_ {} |
| Combined Y projection and viewport transform. | |
Additional Inherited Members | |
| Static Public Member Functions inherited from Dviglo::Object | |
| static const TypeInfo * | GetTypeInfoStatic () |
| Return type info static. | |
| Protected Attributes inherited from Dviglo::Object | |
| Context * | context_ |
| Execution context. | |
Detailed Description
Software renderer for occlusion.
The documentation for this class was generated from the following files:
- /home/runner/work/Dviglo/Dviglo/DvigloRepository/Source/Urho3D/Graphics/OcclusionBuffer.h
- /home/runner/work/Dviglo/Dviglo/DvigloRepository/Source/Urho3D/Graphics/OcclusionBuffer.cpp
