2 * Copyright (c) 2015 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.
19 #include "image-renderer.h"
22 #include <cstring> // for strncasecmp
23 #include <dali/public-api/images/resource-image.h>
24 #include <dali/public-api/images/native-image.h>
25 #include <dali/integration-api/debug.h>
28 #include <dali-toolkit/internal/controls/renderers/renderer-factory-impl.h>
29 #include <dali-toolkit/internal/controls/renderers/renderer-factory-cache.h>
30 #include <dali-toolkit/internal/controls/renderers/control-renderer-impl.h>
31 #include <dali-toolkit/internal/controls/renderers/control-renderer-data-impl.h>
32 #include <dali-toolkit/internal/controls/renderers/image-atlas-manager.h>
45 const char HTTP_URL[] = "http://";
46 const char HTTPS_URL[] = "https://";
48 const char * const RENDERER_TYPE("rendererType");
49 const char * const RENDERER_TYPE_VALUE("imageRenderer");
52 const char * const IMAGE_URL_NAME( "imageUrl" );
53 const char * const IMAGE_FITTING_MODE( "imageFittingMode" );
54 const char * const IMAGE_SAMPLING_MODE( "imageSamplingMode" );
55 const char * const IMAGE_DESIRED_WIDTH( "imageDesiredWidth" );
56 const char * const IMAGE_DESIRED_HEIGHT( "imageDesiredHeight" );
59 const char * const SHRINK_TO_FIT("shrinkToFit");
60 const char * const SCALE_TO_FILL("scaleToFill");
61 const char * const FIT_WIDTH("fitWidth");
62 const char * const FIT_HEIGHT("fitHeight");
63 const char * const DEFAULT("default");
66 const char * const BOX("box");
67 const char * const NEAREST("nearest");
68 const char * const LINEAR("linear");
69 const char * const BOX_THEN_NEAREST("boxThenNearest");
70 const char * const BOX_THEN_LINEAR("boxThenLinear");
71 const char * const NO_FILTER("noFilter");
72 const char * const DONT_CARE("dontCare");
74 const std::string TEXTURE_UNIFORM_NAME = "sTexture";
75 const std::string ATLAS_RECT_UNIFORM_NAME = "uAtlasRect";
76 const std::string PIXEL_AREA_UNIFORM_NAME = "pixelArea";
78 // Set this uniform to 1.0 for conventional alpha blending; if pre-multiplied alpha blending, set this uniform to 0.0
79 const std::string ALPHA_BLENDING_UNIFORM_NAME = "uAlphaBlending";
81 const Vector4 FULL_TEXTURE_RECT(0.f, 0.f, 1.f, 1.f);
83 const char* DEFAULT_SAMPLER_TYPENAME = "sampler2D";
85 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
86 attribute mediump vec2 aPosition;\n
87 uniform mediump mat4 uMvpMatrix;\n
88 uniform mediump vec3 uSize;\n
89 uniform mediump vec4 uAtlasRect;\n
90 uniform mediump vec4 pixelArea;
91 varying mediump vec2 vTexCoord;\n
95 mediump vec4 vertexPosition = vec4(aPosition, 0.0, 1.0);\n
96 vertexPosition.xyz *= uSize;\n
97 vertexPosition = uMvpMatrix * vertexPosition;\n
99 vTexCoord = mix( uAtlasRect.xy, uAtlasRect.zw, pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) ) );\n
100 gl_Position = vertexPosition;\n
104 const char* FRAGMENT_SHADER = DALI_COMPOSE_SHADER(
105 varying mediump vec2 vTexCoord;\n
106 uniform sampler2D sTexture;\n
107 uniform lowp vec4 uColor;\n
108 uniform lowp float uAlphaBlending; // Set to 1.0 for conventional alpha blending; if pre-multiplied alpha blending, set to 0.0
112 gl_FragColor = texture2D( sTexture, vTexCoord ) * vec4( uColor.rgb*max( uAlphaBlending, uColor.a ), uColor.a );\n
117 Geometry GenerateGeometry( const Vector< Vector2 >& vertices, const Vector< unsigned int >& indices )
119 Property::Map vertexFormat;
120 vertexFormat[ "aPosition" ] = Property::VECTOR2;
121 PropertyBuffer vertexPropertyBuffer = PropertyBuffer::New( vertexFormat, vertices.Size() );
122 if( vertices.Size() > 0 )
124 vertexPropertyBuffer.SetData( &vertices[ 0 ] );
127 Property::Map indexFormat;
128 indexFormat[ "indices" ] = Property::INTEGER;
129 PropertyBuffer indexPropertyBuffer = PropertyBuffer::New( indexFormat, indices.Size() );
130 if( indices.Size() > 0 )
132 indexPropertyBuffer.SetData( &indices[ 0 ] );
135 // Create the geometry object
136 Geometry geometry = Geometry::New();
137 geometry.AddVertexBuffer( vertexPropertyBuffer );
138 geometry.SetIndexBuffer( indexPropertyBuffer );
139 geometry.SetGeometryType( Geometry::TRIANGLE_STRIP );
144 Geometry CreateGeometry( RendererFactoryCache& factoryCache, ImageDimensions gridSize )
148 if( gridSize == ImageDimensions( 1, 1 ) )
150 geometry = factoryCache.GetGeometry( RendererFactoryCache::QUAD_GEOMETRY );
153 geometry = factoryCache.CreateQuadGeometry();
154 factoryCache.SaveGeometry( RendererFactoryCache::QUAD_GEOMETRY, geometry );
159 uint16_t gridWidth = gridSize.GetWidth();
160 uint16_t gridHeight = gridSize.GetHeight();
163 Vector< Vector2 > vertices;
164 vertices.Reserve( ( gridWidth + 1 ) * ( gridHeight + 1 ) );
166 for( int y = 0; y < gridHeight + 1; ++y )
168 for( int x = 0; x < gridWidth + 1; ++x )
170 vertices.PushBack( Vector2( (float)x/gridWidth - 0.5f, (float)y/gridHeight - 0.5f) );
175 Vector< unsigned int > indices;
176 indices.Reserve( (gridWidth+2)*gridHeight*2 - 2);
178 for( unsigned int row = 0u; row < gridHeight; ++row )
180 unsigned int rowStartIndex = row*(gridWidth+1u);
181 unsigned int nextRowStartIndex = rowStartIndex + gridWidth +1u;
183 if( row != 0u ) // degenerate index on non-first row
185 indices.PushBack( rowStartIndex );
188 for( unsigned int column = 0u; column < gridWidth+1u; column++) // main strip
190 indices.PushBack( rowStartIndex + column);
191 indices.PushBack( nextRowStartIndex + column);
194 if( row != gridHeight-1u ) // degenerate index on non-last row
196 indices.PushBack( nextRowStartIndex + gridWidth );
200 return GenerateGeometry( vertices, indices );
206 } //unnamed namespace
208 ImageRenderer::ImageRenderer( RendererFactoryCache& factoryCache, ImageAtlasManager& atlasManager )
209 : ControlRenderer( factoryCache ),
210 mAtlasManager( atlasManager ),
212 mFittingMode( FittingMode::DEFAULT ),
213 mSamplingMode( SamplingMode::DEFAULT ),
214 mIsAlphaPreMultiplied( false ),
215 mNativeFragmentShaderCode( ),
216 mNativeImageFlag( false )
220 ImageRenderer::~ImageRenderer()
224 void ImageRenderer::DoInitialize( Actor& actor, const Property::Map& propertyMap )
226 std::string oldImageUrl = mImageUrl;
228 Property::Value* imageURLValue = propertyMap.Find( IMAGE_URL_NAME );
231 imageURLValue->Get( mImageUrl );
232 if( !mImageUrl.empty() )
237 Property::Value* fittingValue = propertyMap.Find( IMAGE_FITTING_MODE );
241 fittingValue->Get( fitting );
243 mFittingMode = FittingMode::DEFAULT;
244 if( fitting == SHRINK_TO_FIT )
246 mFittingMode = FittingMode::SHRINK_TO_FIT;
248 else if( fitting == SCALE_TO_FILL )
250 mFittingMode = FittingMode::SCALE_TO_FILL;
252 else if( fitting == FIT_WIDTH )
254 mFittingMode = FittingMode::FIT_WIDTH;
256 else if( fitting == FIT_HEIGHT )
258 mFittingMode = FittingMode::FIT_HEIGHT;
260 else if( fitting == DEFAULT )
262 mFittingMode = FittingMode::DEFAULT;
266 DALI_ASSERT_ALWAYS("Unknown fitting mode");
270 Property::Value* samplingValue = propertyMap.Find( IMAGE_SAMPLING_MODE );
273 std::string sampling;
274 samplingValue->Get( sampling );
276 mSamplingMode = SamplingMode::DEFAULT;
277 if( sampling == BOX )
279 mSamplingMode = SamplingMode::BOX;
281 else if( sampling == NEAREST )
283 mSamplingMode = SamplingMode::NEAREST;
285 else if( sampling == LINEAR )
287 mSamplingMode = SamplingMode::LINEAR;
289 else if( sampling == BOX_THEN_NEAREST )
291 mSamplingMode = SamplingMode::BOX_THEN_NEAREST;
293 else if( sampling == BOX_THEN_LINEAR )
295 mSamplingMode = SamplingMode::BOX_THEN_LINEAR;
297 else if( sampling == NO_FILTER )
299 mSamplingMode = SamplingMode::NO_FILTER;
301 else if( sampling == DONT_CARE )
303 mSamplingMode = SamplingMode::DONT_CARE;
305 else if( sampling == DEFAULT )
307 mSamplingMode = SamplingMode::DEFAULT;
311 DALI_ASSERT_ALWAYS("Unknown sampling mode");
315 int desiredWidth = 0;
316 Property::Value* desiredWidthValue = propertyMap.Find( IMAGE_DESIRED_WIDTH );
317 if( desiredWidthValue )
319 desiredWidthValue->Get( desiredWidth );
322 int desiredHeight = 0;
323 Property::Value* desiredHeightValue = propertyMap.Find( IMAGE_DESIRED_HEIGHT );
324 if( desiredHeightValue )
326 desiredHeightValue->Get( desiredHeight );
329 mDesiredSize = ImageDimensions( desiredWidth, desiredHeight );
332 // remove old renderer if exit
333 if( mImpl->mRenderer )
335 if( actor ) //remove old renderer from actor
337 actor.RemoveRenderer( mImpl->mRenderer );
339 if( !oldImageUrl.empty() ) //clean old renderer from cache
341 CleanCache( oldImageUrl );
345 NativeImage nativeImage = NativeImage::DownCast( mImage );
349 SetNativeFragmentShaderCode( nativeImage );
352 // if actor is on stage, create new renderer and apply to actor
353 if( actor && actor.OnStage() )
359 void ImageRenderer::SetSize( const Vector2& size )
361 ControlRenderer::SetSize( size );
364 void ImageRenderer::GetNaturalSize( Vector2& naturalSize ) const
368 naturalSize.x = mImage.GetWidth();
369 naturalSize.y = mImage.GetHeight();
372 else if( mDesiredSize.GetWidth()>0 && mDesiredSize.GetHeight()>0)
374 naturalSize.x = mDesiredSize.GetWidth();
375 naturalSize.y = mDesiredSize.GetHeight();
378 else if( !mImageUrl.empty() )
380 ImageDimensions dimentions = ResourceImage::GetImageSize( mImageUrl );
381 naturalSize.x = dimentions.GetWidth();
382 naturalSize.y = dimentions.GetHeight();
386 naturalSize = Vector2::ZERO;
389 void ImageRenderer::SetClipRect( const Rect<int>& clipRect )
391 ControlRenderer::SetClipRect( clipRect );
394 void ImageRenderer::SetOffset( const Vector2& offset )
398 Renderer ImageRenderer::CreateRenderer() const
403 // If mImage is nativeImage with custom sampler or prefix, mNativeFragmentShaderCode will be applied.
404 // Renderer can't be shared between NativeImage and other image types.
405 if( !mNativeFragmentShaderCode.empty() )
407 return CreateNativeImageRenderer();
410 if( !mImpl->mCustomShader )
412 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
414 shader = GetImageShader(mFactoryCache);
418 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
419 if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
421 shader = GetImageShader(mFactoryCache);
425 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
426 mImpl->mCustomShader->mFragmentShader.empty() ? FRAGMENT_SHADER : mImpl->mCustomShader->mFragmentShader,
427 mImpl->mCustomShader->mHints );
428 if( mImpl->mCustomShader->mVertexShader.empty() )
430 shader.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, FULL_TEXTURE_RECT );
431 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
432 shader.RegisterProperty( ALPHA_BLENDING_UNIFORM_NAME, 1.f );
437 Material material = Material::New( shader );
438 return Renderer::New( geometry, material );
441 Renderer ImageRenderer::CreateNativeImageRenderer() const
446 if( !mImpl->mCustomShader )
448 geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
450 shader = Shader::New( VERTEX_SHADER, mNativeFragmentShaderCode );
451 shader.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, FULL_TEXTURE_RECT );
452 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
453 shader.RegisterProperty( ALPHA_BLENDING_UNIFORM_NAME, 1.f );
457 geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
458 if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
460 shader = Shader::New( VERTEX_SHADER, mNativeFragmentShaderCode );
464 shader = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
465 mNativeFragmentShaderCode,
466 mImpl->mCustomShader->mHints );
467 if( mImpl->mCustomShader->mVertexShader.empty() )
469 shader.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, FULL_TEXTURE_RECT );
470 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
471 shader.RegisterProperty( ALPHA_BLENDING_UNIFORM_NAME, 1.f );
476 Material material = Material::New( shader );
477 return Renderer::New( geometry, material );
480 void ImageRenderer::InitializeRenderer( const std::string& imageUrl )
482 if( imageUrl.empty() )
487 mImageUrl = imageUrl;
488 mImpl->mRenderer.Reset();
490 if( !mImpl->mCustomShader &&
491 ( strncasecmp( imageUrl.c_str(), HTTP_URL, sizeof(HTTP_URL) -1 ) != 0 ) && // ignore remote images
492 ( strncasecmp( imageUrl.c_str(), HTTPS_URL, sizeof(HTTPS_URL) -1 ) != 0 ) )
494 mImpl->mRenderer = mFactoryCache.GetRenderer( imageUrl );
495 if( !mImpl->mRenderer )
498 Material material = mAtlasManager.Add(atlasRect, imageUrl, mDesiredSize, mFittingMode, mSamplingMode );
501 Geometry geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
502 mImpl->mRenderer = Renderer::New( geometry, material );
503 mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
505 else // big image, atlasing is not applied
507 mImpl->mRenderer = CreateRenderer();
509 ResourceImage image = Dali::ResourceImage::New( imageUrl, mDesiredSize, mFittingMode, mSamplingMode );
510 image.LoadingFinishedSignal().Connect( this, &ImageRenderer::OnImageLoaded );
511 Material material = mImpl->mRenderer.GetMaterial();
512 material.AddTexture( image, TEXTURE_UNIFORM_NAME );
515 mFactoryCache.SaveRenderer( imageUrl, mImpl->mRenderer );
518 mImpl->mFlags |= Impl::IS_FROM_CACHE;
522 // for custom shader or remote image, renderer is not cached and atlas is not applied
524 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
525 mImpl->mRenderer = CreateRenderer();
526 ResourceImage resourceImage = Dali::ResourceImage::New( imageUrl, mDesiredSize, mFittingMode, mSamplingMode );
527 resourceImage.LoadingFinishedSignal().Connect( this, &ImageRenderer::OnImageLoaded );
528 ApplyImageToSampler( resourceImage );
532 void ImageRenderer::InitializeRenderer( const Image& image )
534 mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
536 mImpl->mRenderer = CreateRenderer();
540 ApplyImageToSampler( image );
545 void ImageRenderer::DoSetOnStage( Actor& actor )
547 if( !mImageUrl.empty() )
549 InitializeRenderer( mImageUrl );
553 InitializeRenderer( mImage );
556 EnablePreMultipliedAlpha( mIsAlphaPreMultiplied );
559 void ImageRenderer::DoSetOffStage( Actor& actor )
561 //If we own the image then make sure we release it when we go off stage
562 if( !mImageUrl.empty() )
564 actor.RemoveRenderer( mImpl->mRenderer );
565 CleanCache(mImageUrl);
571 actor.RemoveRenderer( mImpl->mRenderer );
572 mImpl->mRenderer.Reset();
576 void ImageRenderer::DoCreatePropertyMap( Property::Map& map ) const
579 map.Insert( RENDERER_TYPE, RENDERER_TYPE_VALUE );
580 if( !mImageUrl.empty() )
582 map.Insert( IMAGE_URL_NAME, mImageUrl );
583 map.Insert( IMAGE_DESIRED_WIDTH, mDesiredSize.GetWidth() );
584 map.Insert( IMAGE_DESIRED_HEIGHT, mDesiredSize.GetHeight() );
588 map.Insert( IMAGE_DESIRED_WIDTH, static_cast<int>(mImage.GetWidth()) );
589 map.Insert( IMAGE_DESIRED_HEIGHT, static_cast<int>(mImage.GetHeight()) );
591 ResourceImage resourceImage = ResourceImage::DownCast(mImage);
594 map.Insert( IMAGE_URL_NAME, resourceImage.GetUrl() );
598 switch( mFittingMode )
600 case Dali::FittingMode::FIT_HEIGHT:
602 map.Insert( IMAGE_FITTING_MODE, FIT_HEIGHT );
605 case Dali::FittingMode::FIT_WIDTH:
607 map.Insert( IMAGE_FITTING_MODE, FIT_WIDTH );
610 case Dali::FittingMode::SCALE_TO_FILL:
612 map.Insert( IMAGE_FITTING_MODE, SCALE_TO_FILL );
615 case Dali::FittingMode::SHRINK_TO_FIT:
617 map.Insert( IMAGE_FITTING_MODE, SHRINK_TO_FIT );
622 map.Insert( IMAGE_FITTING_MODE, DEFAULT );
627 switch( mSamplingMode )
629 case Dali::SamplingMode::BOX:
631 map.Insert( IMAGE_SAMPLING_MODE, BOX );
634 case Dali::SamplingMode::NEAREST:
636 map.Insert( IMAGE_SAMPLING_MODE, NEAREST );
639 case Dali::SamplingMode::LINEAR:
641 map.Insert( IMAGE_SAMPLING_MODE, LINEAR );
644 case Dali::SamplingMode::BOX_THEN_LINEAR:
646 map.Insert( IMAGE_SAMPLING_MODE, BOX_THEN_LINEAR );
649 case Dali::SamplingMode::BOX_THEN_NEAREST:
651 map.Insert( IMAGE_SAMPLING_MODE, BOX_THEN_NEAREST );
654 case Dali::SamplingMode::NO_FILTER:
656 map.Insert( IMAGE_SAMPLING_MODE, NO_FILTER );
659 case Dali::SamplingMode::DONT_CARE:
661 map.Insert( IMAGE_SAMPLING_MODE, DONT_CARE );
666 map.Insert( IMAGE_SAMPLING_MODE, DEFAULT );
672 Shader ImageRenderer::GetImageShader( RendererFactoryCache& factoryCache )
674 Shader shader = factoryCache.GetShader( RendererFactoryCache::IMAGE_SHADER );
677 shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER );
678 factoryCache.SaveShader( RendererFactoryCache::IMAGE_SHADER, shader );
679 shader.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, FULL_TEXTURE_RECT );
680 shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
681 shader.RegisterProperty( ALPHA_BLENDING_UNIFORM_NAME, 1.f );
686 void ImageRenderer::SetImage( Actor& actor, const std::string& imageUrl, ImageDimensions size, Dali::FittingMode::Type fittingMode, Dali::SamplingMode::Type samplingMode )
688 if( mImageUrl != imageUrl )
690 std::string oldImageUrl = mImageUrl;
691 mImageUrl = imageUrl;
693 mFittingMode = fittingMode;
694 mSamplingMode = samplingMode;
697 if( mImpl->mRenderer )
699 if( GetIsFromCache() ) // if renderer is from cache, remove the old one
701 //remove old renderer
704 actor.RemoveRenderer( mImpl->mRenderer );
708 if( !oldImageUrl.empty() )
710 CleanCache(oldImageUrl);
713 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
718 else // if renderer is not from cache, reuse the same renderer and only change the texture
720 ResourceImage image = Dali::ResourceImage::New( imageUrl, mDesiredSize, mFittingMode, mSamplingMode );
721 image.LoadingFinishedSignal().Connect( this, &ImageRenderer::OnImageLoaded );
722 ApplyImageToSampler( image );
728 void ImageRenderer::SetImage( Actor& actor, const Image& image )
730 if( mImage != image )
732 NativeImage newNativeImage = NativeImage::DownCast( image );
733 bool newRendererFlag = true;
735 if( newNativeImage && !mNativeImageFlag )
737 SetNativeFragmentShaderCode( newNativeImage );
740 if( ( newNativeImage && mNativeImageFlag ) || ( !newNativeImage && !mNativeImageFlag ) )
742 newRendererFlag = false;
747 mNativeImageFlag = true;
751 mNativeFragmentShaderCode.clear();
752 mNativeImageFlag = false;
757 if( mImpl->mRenderer )
759 // if renderer is from cache, remove the old one, and create new renderer
760 if( GetIsFromCache() )
762 //remove old renderer
765 actor.RemoveRenderer( mImpl->mRenderer );
769 if( !mImageUrl.empty() )
771 CleanCache(mImageUrl);
775 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
780 // if input image is nativeImage and mImage is regular image or the reverse, remove the old one, and create new renderer
781 else if( newRendererFlag )
783 //remove old renderer
786 actor.RemoveRenderer( mImpl->mRenderer );
789 if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
794 else // if renderer is not from cache, reuse the same renderer and only change the texture
796 ApplyImageToSampler( image );
801 mDesiredSize = ImageDimensions();
802 mFittingMode = FittingMode::DEFAULT;
803 mSamplingMode = SamplingMode::DEFAULT;
807 void ImageRenderer::EnablePreMultipliedAlpha( bool preMultipled )
809 mIsAlphaPreMultiplied = preMultipled;
810 if( mImpl->mRenderer )
812 Material material = mImpl->mRenderer.GetMaterial();
816 material.SetBlendFunc( BlendingFactor::ONE, BlendingFactor::ONE_MINUS_SRC_ALPHA,
817 BlendingFactor::ONE, BlendingFactor::ONE );
818 if( !mImpl->mCustomShader || mImpl->mCustomShader->mVertexShader.empty())
820 material.RegisterProperty( ALPHA_BLENDING_UNIFORM_NAME, 0.f );
825 // using default blend func
826 material.SetBlendFunc( BlendingFactor::SRC_ALPHA, BlendingFactor::ONE_MINUS_SRC_ALPHA,
827 BlendingFactor::ONE, BlendingFactor::ONE_MINUS_SRC_ALPHA );
829 Property::Index index = material.GetPropertyIndex( ALPHA_BLENDING_UNIFORM_NAME );
830 if( index != Property::INVALID_INDEX ) // only set value when the property already exist on the Material
832 material.SetProperty( index, 1.f );
838 void ImageRenderer::ApplyImageToSampler( const Image& image )
842 Material material = mImpl->mRenderer.GetMaterial();
845 int index = material.GetTextureIndex( TEXTURE_UNIFORM_NAME );
848 material.SetTextureImage( index, image );
852 material.AddTexture( image, TEXTURE_UNIFORM_NAME );
857 void ImageRenderer::OnImageLoaded( ResourceImage image )
859 if( image.GetLoadingState() == Dali::ResourceLoadingFailed )
861 Image brokenImage = RendererFactory::GetBrokenRendererImage();
862 if( mImpl->mRenderer )
864 ApplyImageToSampler( brokenImage );
869 void ImageRenderer::CleanCache(const std::string& url)
871 Material material = mImpl->mRenderer.GetMaterial();
873 Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
874 Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
875 if( index != Property::INVALID_INDEX )
877 Property::Value atlasRectValue = mImpl->mRenderer.GetProperty( index );
878 atlasRectValue.Get( atlasRect );
881 mImpl->mRenderer.Reset();
882 if( mFactoryCache.CleanRendererCache( url ) && index != Property::INVALID_INDEX )
884 mAtlasManager.Remove( material, atlasRect );
888 void ImageRenderer::SetNativeFragmentShaderCode( Dali::NativeImage& nativeImage )
890 const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
891 const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
895 mNativeFragmentShaderCode = fragmentPreFix;
896 mNativeFragmentShaderCode += "\n";
899 if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
901 mNativeFragmentShaderCode += mImpl->mCustomShader->mFragmentShader;
905 mNativeFragmentShaderCode += FRAGMENT_SHADER;
908 if( customSamplerTypename )
910 mNativeFragmentShaderCode.replace( mNativeFragmentShaderCode.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
915 } // namespace Internal
917 } // namespace Toolkit