Rendering API clean-up
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / renderers / image / image-renderer.cpp
index 8b13a4e..c2bec85 100644 (file)
@@ -21,6 +21,7 @@
 // EXTERNAL HEADER
 #include <cstring> // for strncasecmp
 #include <dali/public-api/images/resource-image.h>
+#include <dali/public-api/images/native-image.h>
 #include <dali/integration-api/debug.h>
 
 // INTERNAL HEADER
@@ -45,7 +46,7 @@ const char HTTP_URL[] = "http://";
 const char HTTPS_URL[] = "https://";
 
 const char * const RENDERER_TYPE("rendererType");
-const char * const RENDERER_TYPE_VALUE("imageRenderer");
+const char * const RENDERER_TYPE_VALUE("image");
 
 // property names
 const char * const IMAGE_URL_NAME( "imageUrl" );
@@ -70,11 +71,13 @@ const char * const BOX_THEN_LINEAR("boxThenLinear");
 const char * const NO_FILTER("noFilter");
 const char * const DONT_CARE("dontCare");
 
-const std::string TEXTURE_UNIFORM_NAME = "sTexture";
 const std::string ATLAS_RECT_UNIFORM_NAME = "uAtlasRect";
 const std::string PIXEL_AREA_UNIFORM_NAME = "pixelArea";
+
 const Vector4 FULL_TEXTURE_RECT(0.f, 0.f, 1.f, 1.f);
 
+const char* DEFAULT_SAMPLER_TYPENAME = "sampler2D";
+
 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
   attribute mediump vec2 aPosition;\n
   uniform mediump mat4 uMvpMatrix;\n
@@ -105,33 +108,6 @@ const char* FRAGMENT_SHADER = DALI_COMPOSE_SHADER(
   }\n
 );
 
-Geometry GenerateGeometry( const Vector< Vector2 >& vertices, const Vector< unsigned int >& indices )
-{
-  Property::Map vertexFormat;
-  vertexFormat[ "aPosition" ] = Property::VECTOR2;
-  PropertyBuffer vertexPropertyBuffer = PropertyBuffer::New( vertexFormat, vertices.Size() );
-  if( vertices.Size() > 0 )
-  {
-    vertexPropertyBuffer.SetData( &vertices[ 0 ] );
-  }
-
-  Property::Map indexFormat;
-  indexFormat[ "indices" ] = Property::INTEGER;
-  PropertyBuffer indexPropertyBuffer = PropertyBuffer::New( indexFormat, indices.Size() );
-  if( indices.Size() > 0 )
-  {
-    indexPropertyBuffer.SetData( &indices[ 0 ] );
-  }
-
-  // Create the geometry object
-  Geometry geometry = Geometry::New();
-  geometry.AddVertexBuffer( vertexPropertyBuffer );
-  geometry.SetIndexBuffer( indexPropertyBuffer );
-  geometry.SetGeometryType( Geometry::TRIANGLE_STRIP );
-
-  return geometry;
-}
-
 Geometry CreateGeometry( RendererFactoryCache& factoryCache, ImageDimensions gridSize )
 {
   Geometry geometry;
@@ -141,54 +117,13 @@ Geometry CreateGeometry( RendererFactoryCache& factoryCache, ImageDimensions gri
     geometry = factoryCache.GetGeometry( RendererFactoryCache::QUAD_GEOMETRY );
     if( !geometry )
     {
-      geometry =  factoryCache.CreateQuadGeometry();
+      geometry =  RendererFactoryCache::CreateQuadGeometry();
       factoryCache.SaveGeometry( RendererFactoryCache::QUAD_GEOMETRY, geometry );
     }
   }
   else
   {
-    uint16_t gridWidth = gridSize.GetWidth();
-    uint16_t gridHeight = gridSize.GetHeight();
-
-    // Create vertices
-    Vector< Vector2 > vertices;
-    vertices.Reserve( ( gridWidth + 1 ) * ( gridHeight + 1 ) );
-
-    for( int y = 0; y < gridHeight + 1; ++y )
-    {
-      for( int x = 0; x < gridWidth + 1; ++x )
-      {
-        vertices.PushBack( Vector2( (float)x/gridWidth - 0.5f, (float)y/gridHeight  - 0.5f) );
-      }
-    }
-
-    // Create indices
-    Vector< unsigned int > indices;
-    indices.Reserve( (gridWidth+2)*gridHeight*2 - 2);
-
-    for( unsigned int row = 0u; row < gridHeight; ++row )
-    {
-      unsigned int rowStartIndex = row*(gridWidth+1u);
-      unsigned int nextRowStartIndex = rowStartIndex + gridWidth +1u;
-
-      if( row != 0u ) // degenerate index on non-first row
-      {
-        indices.PushBack( rowStartIndex );
-      }
-
-      for( unsigned int column = 0u; column < gridWidth+1u; column++) // main strip
-      {
-        indices.PushBack( rowStartIndex + column);
-        indices.PushBack( nextRowStartIndex + column);
-      }
-
-      if( row != gridHeight-1u ) // degenerate index on non-last row
-      {
-        indices.PushBack( nextRowStartIndex + gridWidth );
-      }
-    }
-
-    return GenerateGeometry( vertices, indices );
+    geometry = RendererFactoryCache::CreateGridGeometry( gridSize );
   }
 
   return geometry;
@@ -201,7 +136,9 @@ ImageRenderer::ImageRenderer( RendererFactoryCache& factoryCache, ImageAtlasMana
   mAtlasManager( atlasManager ),
   mDesiredSize(),
   mFittingMode( FittingMode::DEFAULT ),
-  mSamplingMode( SamplingMode::DEFAULT )
+  mSamplingMode( SamplingMode::DEFAULT ),
+  mNativeFragmentShaderCode( ),
+  mNativeImageFlag( false )
 {
 }
 
@@ -330,6 +267,13 @@ void ImageRenderer::DoInitialize( Actor& actor, const Property::Map& propertyMap
     }
   }
 
+  NativeImage nativeImage = NativeImage::DownCast( mImage );
+
+  if( nativeImage )
+  {
+    SetNativeFragmentShaderCode( nativeImage );
+  }
+
   // if actor is on stage, create new renderer and apply to actor
   if( actor && actor.OnStage() )
   {
@@ -381,9 +325,17 @@ Renderer ImageRenderer::CreateRenderer() const
   Geometry geometry;
   Shader shader;
 
+  // If mImage is nativeImage with custom sampler or prefix, mNativeFragmentShaderCode will be applied.
+  // Renderer can't be shared between NativeImage and other image types.
+  if( !mNativeFragmentShaderCode.empty() )
+  {
+    return CreateNativeImageRenderer();
+  }
+
   if( !mImpl->mCustomShader )
   {
     geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
+
     shader = GetImageShader(mFactoryCache);
   }
   else
@@ -406,8 +358,52 @@ Renderer ImageRenderer::CreateRenderer() const
     }
   }
 
-  Material material = Material::New( shader );
-  return Renderer::New( geometry, material );
+  TextureSet textureSet = TextureSet::New();
+
+  Renderer renderer = Renderer::New( geometry, shader );
+  renderer.SetTextures( textureSet );
+
+  return renderer;
+}
+
+Renderer ImageRenderer::CreateNativeImageRenderer() const
+{
+  Geometry geometry;
+  Shader shader;
+
+  if( !mImpl->mCustomShader )
+  {
+    geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
+
+    shader  = Shader::New( VERTEX_SHADER, mNativeFragmentShaderCode );
+    shader.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, FULL_TEXTURE_RECT );
+    shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
+  }
+  else
+  {
+    geometry = CreateGeometry( mFactoryCache, mImpl->mCustomShader->mGridSize );
+    if( mImpl->mCustomShader->mVertexShader.empty() && mImpl->mCustomShader->mFragmentShader.empty() )
+    {
+      shader  = Shader::New( VERTEX_SHADER, mNativeFragmentShaderCode );
+    }
+    else
+    {
+      shader  = Shader::New( mImpl->mCustomShader->mVertexShader.empty() ? VERTEX_SHADER : mImpl->mCustomShader->mVertexShader,
+                             mNativeFragmentShaderCode,
+                             mImpl->mCustomShader->mHints );
+      if( mImpl->mCustomShader->mVertexShader.empty() )
+      {
+        shader.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, FULL_TEXTURE_RECT );
+        shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
+      }
+    }
+  }
+
+  TextureSet textureSet = TextureSet::New();
+  Renderer renderer = Renderer::New( geometry, shader );
+  renderer.SetTextures( textureSet );
+
+  return renderer;
 }
 
 void ImageRenderer::InitializeRenderer( const std::string& imageUrl )
@@ -428,11 +424,13 @@ void ImageRenderer::InitializeRenderer( const std::string& imageUrl )
     if( !mImpl->mRenderer )
     {
       Vector4 atlasRect;
-      Material material = mAtlasManager.Add(atlasRect, imageUrl, mDesiredSize, mFittingMode, mSamplingMode );
-      if( material )
+      TextureSet textureSet = mAtlasManager.Add(atlasRect, imageUrl, mDesiredSize, mFittingMode, mSamplingMode );
+      if( textureSet )
       {
         Geometry geometry = CreateGeometry( mFactoryCache, ImageDimensions( 1, 1 ) );
-        mImpl->mRenderer = Renderer::New( geometry, material );
+        Shader shader( GetImageShader(mFactoryCache) );
+        mImpl->mRenderer = Renderer::New( geometry, shader );
+        mImpl->mRenderer.SetTextures( textureSet );
         mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
       }
       else // big image, atlasing is not applied
@@ -441,8 +439,8 @@ void ImageRenderer::InitializeRenderer( const std::string& imageUrl )
 
         ResourceImage image = Dali::ResourceImage::New( imageUrl, mDesiredSize, mFittingMode, mSamplingMode );
         image.LoadingFinishedSignal().Connect( this, &ImageRenderer::OnImageLoaded );
-        Material material = mImpl->mRenderer.GetMaterial();
-        material.AddTexture( image, TEXTURE_UNIFORM_NAME );
+        TextureSet textureSet = mImpl->mRenderer.GetTextures();
+        textureSet.SetImage( 0u, image );
       }
 
       mFactoryCache.SaveRenderer( imageUrl, mImpl->mRenderer );
@@ -485,6 +483,7 @@ void ImageRenderer::DoSetOnStage( Actor& actor )
   {
     InitializeRenderer( mImage );
   }
+
 }
 
 void ImageRenderer::DoSetOffStage( Actor& actor )
@@ -494,7 +493,6 @@ void ImageRenderer::DoSetOffStage( Actor& actor )
   {
     actor.RemoveRenderer( mImpl->mRenderer );
     CleanCache(mImageUrl);
-
     mImage.Reset();
   }
   else
@@ -659,11 +657,35 @@ void ImageRenderer::SetImage( Actor& actor, const Image& image )
 {
   if( mImage != image )
   {
+    NativeImage newNativeImage = NativeImage::DownCast( image );
+    bool newRendererFlag = true;
+
+    if( newNativeImage && !mNativeImageFlag )
+    {
+      SetNativeFragmentShaderCode( newNativeImage );
+    }
+
+    if( ( newNativeImage && mNativeImageFlag ) || ( !newNativeImage && !mNativeImageFlag ) )
+    {
+      newRendererFlag = false;
+    }
+
+    if( newNativeImage )
+    {
+      mNativeImageFlag = true;
+    }
+    else
+    {
+      mNativeFragmentShaderCode.clear();
+      mNativeImageFlag = false;
+    }
+
     mImage = image;
 
     if( mImpl->mRenderer )
     {
-      if( GetIsFromCache() ) // if renderer is from cache, remove the old one
+      // if renderer is from cache, remove the old one, and create new renderer
+      if( GetIsFromCache() )
       {
         //remove old renderer
         if( actor )
@@ -683,6 +705,20 @@ void ImageRenderer::SetImage( Actor& actor, const Image& image )
           SetOnStage(actor);
         }
       }
+      // if input image is nativeImage and mImage is regular image or the reverse, remove the old one, and create new renderer
+      else if( newRendererFlag )
+      {
+        //remove old renderer
+        if( actor )
+        {
+          actor.RemoveRenderer( mImpl->mRenderer );
+        }
+
+        if( actor && actor.OnStage() ) // if actor on stage, create a new renderer and apply to actor
+        {
+          SetOnStage(actor);
+        }
+      }
       else // if renderer is not from cache, reuse the same renderer and only change the texture
       {
         ApplyImageToSampler( image );
@@ -700,17 +736,10 @@ void ImageRenderer::ApplyImageToSampler( const Image& image )
 {
   if( image )
   {
-    Material material = mImpl->mRenderer.GetMaterial();
-    if( material )
+    TextureSet textureSet = mImpl->mRenderer.GetTextures();
+    if( textureSet )
     {
-      int index = material.GetTextureIndex( TEXTURE_UNIFORM_NAME );
-      if( index != -1 )
-      {
-        material.SetTextureImage( index, image );
-        return;
-      }
-
-      material.AddTexture( image, TEXTURE_UNIFORM_NAME );
+      textureSet.SetImage( 0u, image );
     }
   }
 }
@@ -729,7 +758,7 @@ void ImageRenderer::OnImageLoaded( ResourceImage image )
 
 void ImageRenderer::CleanCache(const std::string& url)
 {
-  Material material = mImpl->mRenderer.GetMaterial();
+  TextureSet textureSet = mImpl->mRenderer.GetTextures();
 
   Vector4 atlasRect( 0.f, 0.f, 1.f, 1.f );
   Property::Index index = mImpl->mRenderer.GetPropertyIndex( ATLAS_RECT_UNIFORM_NAME );
@@ -742,8 +771,35 @@ void ImageRenderer::CleanCache(const std::string& url)
   mImpl->mRenderer.Reset();
   if( mFactoryCache.CleanRendererCache( url ) && index != Property::INVALID_INDEX )
   {
-    mAtlasManager.Remove( material, atlasRect );
+    mAtlasManager.Remove( textureSet, atlasRect );
+  }
+}
+
+void ImageRenderer::SetNativeFragmentShaderCode( Dali::NativeImage& nativeImage )
+{
+  const char* fragmentPreFix = nativeImage.GetCustomFragmentPreFix();
+  const char* customSamplerTypename = nativeImage.GetCustomSamplerTypename();
+
+  if( fragmentPreFix )
+  {
+    mNativeFragmentShaderCode = fragmentPreFix;
+    mNativeFragmentShaderCode += "\n";
+  }
+
+  if( mImpl->mCustomShader && !mImpl->mCustomShader->mFragmentShader.empty() )
+  {
+    mNativeFragmentShaderCode += mImpl->mCustomShader->mFragmentShader;
   }
+  else
+  {
+    mNativeFragmentShaderCode += FRAGMENT_SHADER;
+  }
+
+  if( customSamplerTypename )
+  {
+    mNativeFragmentShaderCode.replace( mNativeFragmentShaderCode.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
+  }
+
 }
 
 } // namespace Internal