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

   1 /*
   2  * Copyright (c) 2018 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 #include <dali/internal/event/common/stage-impl.h>
  24 #include <dali/internal/update/manager/update-manager.h>
  25
  26 namespace Dali
  27 {
  28 namespace Internal
  29 {
  30
  31 GeometryPtr Geometry::New()
  32 {
  33   GeometryPtr geometry( new Geometry() );
  34   geometry->Initialize();
  35   return geometry;
  36 }
  37
  38 uint32_t Geometry::AddVertexBuffer( PropertyBuffer& vertexBuffer )
  39 {
  40   mVertexBuffers.push_back( &vertexBuffer );
  41   SceneGraph::AttachVertexBufferMessage( mEventThreadServices.GetUpdateManager(), *mRenderObject, *vertexBuffer.GetRenderObject() );
  42   return static_cast<uint32_t>( mVertexBuffers.size() - 1u );
  43 }
  44
  45 uint32_t Geometry::GetNumberOfVertexBuffers() const
  46 {
  47   return static_cast<uint32_t>( mVertexBuffers.size() );
  48 }
  49
  50 void Geometry::RemoveVertexBuffer( uint32_t index )
  51 {
  52   const Render::PropertyBuffer& renderPropertyBuffer = static_cast<const Render::PropertyBuffer&>( *(mVertexBuffers[index]->GetRenderObject()) );
  53   SceneGraph::RemoveVertexBufferMessage( mEventThreadServices.GetUpdateManager(), *mRenderObject, renderPropertyBuffer );
  54
  55   mVertexBuffers.erase( mVertexBuffers.begin() + index );
  56 }
  57
  58 void Geometry::SetIndexBuffer( const uint16_t* indices, uint32_t count )
  59 {
  60   Dali::Vector<uint16_t> indexData;
  61   if( indices && count )
  62   {
  63     indexData.Resize( count );
  64     std::copy( indices, indices + count, indexData.Begin() );
  65   }
  66
  67   SceneGraph::SetIndexBufferMessage( mEventThreadServices.GetUpdateManager(), *mRenderObject, indexData );
  68 }
  69
  70 void Geometry::SetType( Dali::Geometry::Type geometryType )
  71 {
  72   if( geometryType != mType )
  73   {
  74     SceneGraph::SetGeometryTypeMessage(mEventThreadServices.GetUpdateManager(), *mRenderObject, geometryType );
  75
  76     mType = geometryType;
  77   }
  78 }
  79
  80 Dali::Geometry::Type Geometry::GetType() const
  81 {
  82   return mType;
  83 }
  84
  85 const Render::Geometry* Geometry::GetRenderObject() const
  86 {
  87   return mRenderObject;
  88 }
  89
  90 Geometry::Geometry()
  91 : mEventThreadServices( *Stage::GetCurrent() ),
  92   mRenderObject( NULL ),
  93   mType(Dali::Geometry::TRIANGLES)
  94 {
  95 }
  96
  97 void Geometry::Initialize()
  98 {
  99   mRenderObject = new Render::Geometry();
 100   OwnerPointer< Render::Geometry > transferOwnership( mRenderObject );
 101   AddGeometry( mEventThreadServices.GetUpdateManager(), transferOwnership );
 102 }
 103
 104 Geometry::~Geometry()
 105 {
 106   if( EventThreadServices::IsCoreRunning() && mRenderObject )
 107   {
 108     RemoveGeometry( mEventThreadServices.GetUpdateManager(), *mRenderObject );
 109   }
 110 }
 111
 112 } // namespace Internal
 113
 114 } // namespace Dali