2 * Copyright (c) 2016 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 #include "visual-factory-cache.h"
21 #include <dali/devel-api/common/hash.h>
22 #include <dali/public-api/images/resource-image.h>
25 #include <dali-toolkit/internal/visuals/color/color-visual.h>
26 #include <dali-toolkit/internal/visuals/svg/svg-visual.h>
27 #include <dali-toolkit/internal/visuals/image-atlas-manager.h>
31 const char * const BROKEN_VISUAL_IMAGE_URL( DALI_IMAGE_DIR "broken.png");
43 VisualFactoryCache::VisualFactoryCache()
44 : mSvgRasterizeThread( NULL )
48 VisualFactoryCache::~VisualFactoryCache()
50 SvgRasterizeThread::TerminateThread( mSvgRasterizeThread );
53 Geometry VisualFactoryCache::GetGeometry( GeometryType type )
55 return mGeometry[type];
58 void VisualFactoryCache::SaveGeometry( GeometryType type, Geometry geometry )
60 mGeometry[type] = geometry;
63 Shader VisualFactoryCache::GetShader( ShaderType type )
68 void VisualFactoryCache::SaveShader( ShaderType type, Shader shader )
70 mShader[type] = shader;
73 int VisualFactoryCache::FindRenderer( const std::string& key ) const
75 int hash = Dali::CalculateHash( key );
77 HashVector::Iterator startIt = mRendererHashes.Begin();
78 HashVector::Iterator it;
82 it = std::find( startIt, mRendererHashes.End(), hash );
83 if( it != mRendererHashes.End() )
85 int index = it - mRendererHashes.Begin();
86 const CachedRenderer* cachedRenderer = mRenderers[ index ];
88 if( cachedRenderer && cachedRenderer->mKey == key )
103 Renderer VisualFactoryCache::GetRenderer( const std::string& key ) const
105 int index = FindRenderer( key );
108 return mRenderers[ index ]->mRenderer.GetHandle();
116 void VisualFactoryCache::SaveRenderer( const std::string& key, Renderer& renderer )
118 int hash = Dali::CalculateHash( key );
119 const CachedRenderer* cachedRenderer = new CachedRenderer( key, renderer );
121 CachedRenderers::Iterator it = std::find( mRenderers.Begin(), mRenderers.End(), static_cast< CachedRenderer* >( NULL ) );
122 if( it != mRenderers.End() )
124 *it = cachedRenderer;
125 int index = it - mRenderers.Begin();
126 mRendererHashes[ index ] = hash;
130 mRendererHashes.PushBack( hash );
131 mRenderers.PushBack( cachedRenderer );
135 bool VisualFactoryCache::CleanRendererCache( const std::string& key )
137 int index = FindRenderer( key );
140 const CachedRenderer*& cachedRenderer = mRenderers[ index ];
141 if( !cachedRenderer->mRenderer.GetHandle() )
143 mRendererHashes[ index ] = Dali::INITIAL_HASH_VALUE;
145 delete cachedRenderer;
146 cachedRenderer = NULL;
153 void VisualFactoryCache::CacheWireframeRenderer( Renderer& renderer )
155 mWireframeRenderer = renderer;
158 Renderer VisualFactoryCache::GetWireframeRenderer()
160 return mWireframeRenderer;
163 Geometry VisualFactoryCache::CreateQuadGeometry()
165 const float halfWidth = 0.5f;
166 const float halfHeight = 0.5f;
167 struct QuadVertex { Vector2 position;};
168 QuadVertex quadVertexData[4] =
170 { Vector2(-halfWidth, -halfHeight) },
171 { Vector2(-halfWidth, halfHeight) },
172 { Vector2( halfWidth, -halfHeight) },
173 { Vector2( halfWidth, halfHeight) }
176 Property::Map quadVertexFormat;
177 quadVertexFormat["aPosition"] = Property::VECTOR2;
178 PropertyBuffer quadVertices = PropertyBuffer::New( quadVertexFormat );
179 quadVertices.SetData( quadVertexData, 4 );
181 // Create the geometry object
182 Geometry geometry = Geometry::New();
183 geometry.AddVertexBuffer( quadVertices );
184 geometry.SetType( Geometry::TRIANGLE_STRIP );
189 ImageAtlasManagerPtr VisualFactoryCache::GetAtlasManager()
193 mAtlasManager = new ImageAtlasManager();
194 mAtlasManager->SetBrokenImage( BROKEN_VISUAL_IMAGE_URL );
197 return mAtlasManager;
200 NPatchLoader& VisualFactoryCache::GetNPatchLoader()
202 return mNPatchLoader;
205 SvgRasterizeThread* VisualFactoryCache::GetSVGRasterizationThread()
207 if( !mSvgRasterizeThread )
209 mSvgRasterizeThread = new SvgRasterizeThread( new EventThreadCallback( MakeCallback( this, &VisualFactoryCache::ApplyRasterizedSVGToSampler ) ) );
210 mSvgRasterizeThread->Start();
212 return mSvgRasterizeThread;
215 void VisualFactoryCache::ApplyRasterizedSVGToSampler()
217 while( RasterizingTaskPtr task = mSvgRasterizeThread->NextCompletedTask() )
219 task->GetSvgVisual()->ApplyRasterizedImage( task->GetPixelData() );
223 Geometry VisualFactoryCache::CreateGridGeometry( Uint16Pair gridSize )
225 uint16_t gridWidth = gridSize.GetWidth();
226 uint16_t gridHeight = gridSize.GetHeight();
229 Vector< Vector2 > vertices;
230 vertices.Reserve( ( gridWidth + 1 ) * ( gridHeight + 1 ) );
232 for( int y = 0; y < gridHeight + 1; ++y )
234 for( int x = 0; x < gridWidth + 1; ++x )
236 vertices.PushBack( Vector2( (float)x/gridWidth - 0.5f, (float)y/gridHeight - 0.5f) );
241 Vector< unsigned short > indices;
242 indices.Reserve( (gridWidth+2)*gridHeight*2 - 2);
244 for( unsigned int row = 0u; row < gridHeight; ++row )
246 unsigned int rowStartIndex = row*(gridWidth+1u);
247 unsigned int nextRowStartIndex = rowStartIndex + gridWidth +1u;
249 if( row != 0u ) // degenerate index on non-first row
251 indices.PushBack( rowStartIndex );
254 for( unsigned int column = 0u; column < gridWidth+1u; column++) // main strip
256 indices.PushBack( rowStartIndex + column);
257 indices.PushBack( nextRowStartIndex + column);
260 if( row != gridHeight-1u ) // degenerate index on non-last row
262 indices.PushBack( nextRowStartIndex + gridWidth );
266 Property::Map vertexFormat;
267 vertexFormat[ "aPosition" ] = Property::VECTOR2;
268 PropertyBuffer vertexPropertyBuffer = PropertyBuffer::New( vertexFormat );
269 if( vertices.Size() > 0 )
271 vertexPropertyBuffer.SetData( &vertices[ 0 ], vertices.Size() );
274 Property::Map indexFormat;
275 indexFormat[ "indices" ] = Property::INTEGER;
276 PropertyBuffer indexPropertyBuffer = PropertyBuffer::New( indexFormat );
279 // Create the geometry object
280 Geometry geometry = Geometry::New();
281 geometry.AddVertexBuffer( vertexPropertyBuffer );
282 if( indices.Size() > 0 )
284 geometry.SetIndexBuffer( &indices[ 0 ], indices.Size() );
287 geometry.SetType( Geometry::TRIANGLE_STRIP );
292 Geometry VisualFactoryCache::CreateBatchQuadGeometry( Vector4 texCoords )
294 const float halfWidth = 0.5f;
295 const float halfHeight = 0.5f;
297 QuadVertex( const Vector2& vertexPosition, const Vector2& vertexTexCoords )
298 : position( vertexPosition ),
299 texCoords( vertexTexCoords )
305 // special case, when texture takes whole space
306 if( texCoords == Vector4::ZERO )
308 texCoords = Vector4(0.0f, 0.0f, 1.0f, 1.0f);
311 QuadVertex quadVertexData[6] =
313 QuadVertex( Vector2(-halfWidth, -halfHeight ), Vector2(texCoords.x, texCoords.y) ),
314 QuadVertex( Vector2( halfWidth, -halfHeight ), Vector2(texCoords.z, texCoords.y) ),
315 QuadVertex( Vector2(-halfWidth, halfHeight ), Vector2(texCoords.x, texCoords.w) ),
316 QuadVertex( Vector2( halfWidth, -halfHeight ), Vector2(texCoords.z, texCoords.y) ),
317 QuadVertex( Vector2(-halfWidth, halfHeight ), Vector2(texCoords.x, texCoords.w) ),
318 QuadVertex( Vector2( halfWidth, halfHeight ), Vector2(texCoords.z, texCoords.w) ),
321 Property::Map vertexFormat;
322 vertexFormat[ "aPosition" ] = Property::VECTOR2;
323 vertexFormat[ "aTexCoord" ] = Property::VECTOR2;
324 PropertyBuffer vertexBuffer = PropertyBuffer::New( vertexFormat );
325 vertexBuffer.SetData( quadVertexData, 6 );
327 // create geometry as normal, single quad
328 Geometry geometry = Geometry::New();
329 geometry.AddVertexBuffer( vertexBuffer );
330 geometry.SetType( Geometry::TRIANGLES );
335 Image VisualFactoryCache::GetBrokenVisualImage()
337 return ResourceImage::New( BROKEN_VISUAL_IMAGE_URL );
340 } // namespace Internal
342 } // namespace Toolkit