dali/internal/event/rendering/geometry-impl.cpp

   1 /*
   2  * Copyright (c) 2021 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali/internal/event/rendering/geometry-impl.h> // Dali::Internal::Geometry
  20
  21 // INTERNAL INCLUDES
  22 #include <dali/public-api/object/type-registry.h>
  23
  24 #include <dali/internal/update/manager/update-manager.h>
  25
  26 namespace Dali
  27 {
  28 namespace Internal
  29 {
  30 GeometryPtr Geometry::New()
  31 {
  32   GeometryPtr geometry(new Geometry());
  33   geometry->Initialize();
  34   return geometry;
  35 }
  36
  37 uint32_t Geometry::AddVertexBuffer(VertexBuffer& vertexBuffer)
  38 {
  39   mVertexBuffers.push_back(&vertexBuffer);
  40   SceneGraph::AttachVertexBufferMessage(mEventThreadServices.GetUpdateManager(), *mRenderObject, *vertexBuffer.GetRenderObject());
  41   return static_cast<uint32_t>(mVertexBuffers.size() - 1u);
  42 }
  43
  44 uint32_t Geometry::GetNumberOfVertexBuffers() const
  45 {
  46   return static_cast<uint32_t>(mVertexBuffers.size());
  47 }
  48
  49 void Geometry::RemoveVertexBuffer(uint32_t index)
  50 {
  51   const Render::VertexBuffer& renderVertexBuffer = static_cast<const Render::VertexBuffer&>(*(mVertexBuffers[index]->GetRenderObject()));
  52   SceneGraph::RemoveVertexBufferMessage(mEventThreadServices.GetUpdateManager(), *mRenderObject, renderVertexBuffer);
  53
  54   mVertexBuffers.erase(mVertexBuffers.begin() + index);
  55 }
  56
  57 void Geometry::SetIndexBuffer(const uint16_t* indices, uint32_t count)
  58 {
  59   Dali::Vector<uint16_t> indexData;
  60   if(indices && count)
  61   {
  62     indexData.Resize(count);
  63     std::copy(indices, indices + count, indexData.Begin());
  64   }
  65
  66   SceneGraph::SetIndexBufferMessage(mEventThreadServices.GetUpdateManager(), *mRenderObject, indexData);
  67 }
  68
  69 void Geometry::SetType(Dali::Geometry::Type geometryType)
  70 {
  71   if(geometryType != mType)
  72   {
  73     SceneGraph::SetGeometryTypeMessage(mEventThreadServices.GetUpdateManager(), *mRenderObject, geometryType);
  74
  75     mType = geometryType;
  76   }
  77 }
  78
  79 Dali::Geometry::Type Geometry::GetType() const
  80 {
  81   return mType;
  82 }
  83
  84 const Render::Geometry* Geometry::GetRenderObject() const
  85 {
  86   return mRenderObject;
  87 }
  88
  89 Geometry::Geometry()
  90 : mEventThreadServices(EventThreadServices::Get()),
  91   mRenderObject(nullptr),
  92   mType(Dali::Geometry::TRIANGLES)
  93 {
  94 }
  95
  96 void Geometry::Initialize()
  97 {
  98   mRenderObject = new Render::Geometry();
  99   OwnerPointer<Render::Geometry> transferOwnership(mRenderObject);
 100   AddGeometry(mEventThreadServices.GetUpdateManager(), transferOwnership);
 101 }
 102
 103 Geometry::~Geometry()
 104 {
 105   if(EventThreadServices::IsCoreRunning() && mRenderObject)
 106   {
 107     RemoveGeometry(mEventThreadServices.GetUpdateManager(), *mRenderObject);
 108   }
 109 }
 110
 111 } // namespace Internal
 112
 113 } // namespace Dali