void FTextRenderSceneProxy::GetDynamicMeshElements(const TArray<const FSceneView*>& Views, const FSceneViewFamily& ViewFamily, uint32 VisibilityMap, FMeshElementCollector& Collector) const { QUICK_SCOPE_CYCLE_COUNTER( STAT_TextRenderSceneProxy_GetDynamicMeshElements ); // Vertex factory will not been initialized when the text string is empty or font is invalid. if(VertexFactory.IsInitialized()) { for (int32 ViewIndex = 0; ViewIndex < Views.Num(); ViewIndex++) { if (VisibilityMap & (1 << ViewIndex)) { const FSceneView* View = Views[ViewIndex]; // Draw the mesh. FMeshBatch& Mesh = Collector.AllocateMesh(); FMeshBatchElement& BatchElement = Mesh.Elements[0]; BatchElement.IndexBuffer = &IndexBuffer; Mesh.VertexFactory = &VertexFactory; BatchElement.PrimitiveUniformBufferResource = &GetUniformBuffer(); BatchElement.FirstIndex = 0; BatchElement.NumPrimitives = IndexBuffer.Indices.Num() / 3; BatchElement.MinVertexIndex = 0; BatchElement.MaxVertexIndex = VertexBuffer.Vertices.Num() - 1; Mesh.ReverseCulling = IsLocalToWorldDeterminantNegative(); Mesh.bDisableBackfaceCulling = false; Mesh.Type = PT_TriangleList; Mesh.DepthPriorityGroup = SDPG_World; const bool bUseSelectedMaterial = GIsEditor && (View->Family->EngineShowFlags.Selection) ? IsSelected() : false; Mesh.MaterialRenderProxy = TextMaterial->GetRenderProxy(bUseSelectedMaterial); Mesh.bCanApplyViewModeOverrides = !bAlwaysRenderAsText; Collector.AddMesh(ViewIndex, Mesh); #if !(UE_BUILD_SHIPPING || UE_BUILD_TEST) RenderBounds(Collector.GetPDI(ViewIndex), View->Family->EngineShowFlags, GetBounds(), IsSelected()); #endif } } } }
void FTextRenderSceneProxy::DrawStaticElements(FStaticPrimitiveDrawInterface* PDI) { // Vertex factory will not been initialized when the font is invalid or the text string is empty. if(VertexFactory.IsInitialized()) { // Draw the mesh. FMeshBatch Mesh; FMeshBatchElement& BatchElement = Mesh.Elements[0]; BatchElement.IndexBuffer = &IndexBuffer; Mesh.VertexFactory = &VertexFactory; Mesh.MaterialRenderProxy = TextMaterial->GetRenderProxy(false); BatchElement.PrimitiveUniformBufferResource = &GetUniformBuffer(); BatchElement.FirstIndex = 0; BatchElement.NumPrimitives = IndexBuffer.Indices.Num() / 3; BatchElement.MinVertexIndex = 0; BatchElement.MaxVertexIndex = VertexBuffer.Vertices.Num() - 1; Mesh.ReverseCulling = IsLocalToWorldDeterminantNegative(); Mesh.bDisableBackfaceCulling = false; Mesh.Type = PT_TriangleList; Mesh.DepthPriorityGroup = SDPG_World; PDI->DrawMesh(Mesh, 1.0f); } }
void FTangoPointCloudSceneProxy::GetDynamicMeshElements(const TArray<const FSceneView*>& Views, const FSceneViewFamily & ViewFamily, uint32 VisibilityMap, FMeshElementCollector & Collector) const { for (int32 ViewIndex = 0; ViewIndex < Views.Num(); ViewIndex++) { if (VisibilityMap & (1 << ViewIndex)) { //Essentially, which camera we are using const FSceneView* View = Views[ViewIndex]; //Ask for a new render batch and link it to our data FMeshBatch& Mesh = Collector.AllocateMesh(); Mesh.VertexFactory = &VertexFactory; Mesh.MaterialRenderProxy = Material->GetRenderProxy(IsSelected()); Mesh.ReverseCulling = IsLocalToWorldDeterminantNegative(); Mesh.DepthPriorityGroup = SDPG_World; Mesh.bCanApplyViewModeOverrides = false; //GL_Points render, still need to work out how to set GL_PointSize Mesh.Type = PT_PointList; //Tell the render object how to index our data. FMeshBatchElement& BatchElement = Mesh.Elements[0]; BatchElement.IndexBuffer = &IndexBuffer; //Give all the "default" uniforms to help render. (Transform etc.) BatchElement.PrimitiveUniformBuffer = CreatePrimitiveUniformBufferImmediate(GetLocalToWorld(), GetBounds(), GetLocalBounds(), true, UseEditorDepthTest()); BatchElement.FirstIndex = 0; BatchElement.NumPrimitives = IndexBuffer.Indices.Num() / 3; BatchElement.MinVertexIndex = 0; BatchElement.MaxVertexIndex = VertexBuffer.Vertices.Num() - 1; //All done! Collector.AddMesh(ViewIndex, Mesh); } } }
void FGeometryCacheSceneProxy::GetDynamicMeshElements(const TArray<const FSceneView*>& Views, const FSceneViewFamily& ViewFamily, uint32 VisibilityMap, FMeshElementCollector& Collector) const { SCOPE_CYCLE_COUNTER(STAT_GeometryCacheSceneProxy_GetMeshElements); // Set up wireframe material (if needed) const bool bWireframe = AllowDebugViewmodes() && ViewFamily.EngineShowFlags.Wireframe; FColoredMaterialRenderProxy* WireframeMaterialInstance = NULL; if (bWireframe) { WireframeMaterialInstance = new FColoredMaterialRenderProxy( GEngine->WireframeMaterial ? GEngine->WireframeMaterial->GetRenderProxy(IsSelected()) : NULL, FLinearColor(0, 0.5f, 1.f) ); Collector.RegisterOneFrameMaterialProxy(WireframeMaterialInstance); } // Iterate over sections for (const FGeomCacheTrackProxy* TrackProxy : Sections ) { // QQQ if (TrackProxy != nullptr) { INC_DWORD_STAT_BY(STAT_GeometryCacheSceneProxy_MeshBatchCount, TrackProxy->MeshData->BatchesInfo.Num()); int32 BatchIndex = 0; for (FGeometryCacheMeshBatchInfo& BatchInfo : TrackProxy->MeshData->BatchesInfo) { FMaterialRenderProxy* MaterialProxy = bWireframe ? WireframeMaterialInstance : TrackProxy->Materials[BatchIndex]->GetRenderProxy(IsSelected()); for (int32 ViewIndex = 0; ViewIndex < Views.Num(); ViewIndex++) { if (VisibilityMap & (1 << ViewIndex)) { const FSceneView* View = Views[ViewIndex]; // Draw the mesh. FMeshBatch& Mesh = Collector.AllocateMesh(); FMeshBatchElement& BatchElement = Mesh.Elements[0]; BatchElement.IndexBuffer = &TrackProxy->IndexBuffer; Mesh.bWireframe = bWireframe; Mesh.VertexFactory = &TrackProxy->VertexFactory; Mesh.MaterialRenderProxy = MaterialProxy; BatchElement.PrimitiveUniformBuffer = CreatePrimitiveUniformBufferImmediate(TrackProxy->WorldMatrix * GetLocalToWorld(), GetBounds(), GetLocalBounds(), true, UseEditorDepthTest()); BatchElement.FirstIndex = BatchInfo.StartIndex; BatchElement.NumPrimitives = BatchInfo.NumTriangles; BatchElement.MinVertexIndex = 0; BatchElement.MaxVertexIndex = TrackProxy->VertexBuffer.Vertices.Num() - 1; Mesh.ReverseCulling = IsLocalToWorldDeterminantNegative(); Mesh.Type = PT_TriangleList; Mesh.DepthPriorityGroup = SDPG_World; Mesh.bCanApplyViewModeOverrides = false; Collector.AddMesh(ViewIndex, Mesh); INC_DWORD_STAT_BY(STAT_GeometryCacheSceneProxy_TriangleCount, BatchElement.NumPrimitives); } } ++BatchIndex; } } } // Draw bounds #if !(UE_BUILD_SHIPPING || UE_BUILD_TEST) for (int32 ViewIndex = 0; ViewIndex < Views.Num(); ViewIndex++) { if (VisibilityMap & (1 << ViewIndex)) { // Render bounds RenderBounds(Collector.GetPDI(ViewIndex), ViewFamily.EngineShowFlags, GetBounds(), IsSelected()); } } #endif }