(Control Renderers) Removed Renderer suffix from rendererType & created programming...
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / renderers / image / image-renderer.cpp
index 7862d53..32f90c2 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" );
@@ -74,11 +75,10 @@ const std::string TEXTURE_UNIFORM_NAME = "sTexture";
 const std::string ATLAS_RECT_UNIFORM_NAME = "uAtlasRect";
 const std::string PIXEL_AREA_UNIFORM_NAME = "pixelArea";
 
-// Set this uniform to 1.0 for conventional alpha blending; if pre-multiplied alpha blending, set this uniform to 0.0
-const std::string ALPHA_BLENDING_UNIFORM_NAME = "uAlphaBlending";
-
 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
@@ -102,14 +102,14 @@ const char* FRAGMENT_SHADER = DALI_COMPOSE_SHADER(
   varying mediump vec2 vTexCoord;\n
   uniform sampler2D sTexture;\n
   uniform lowp vec4 uColor;\n
-  uniform lowp float uAlphaBlending; // Set to 1.0 for conventional alpha blending; if pre-multiplied alpha blending, set to 0.0
   \n
   void main()\n
   {\n
-    gl_FragColor = texture2D( sTexture, vTexCoord ) * vec4( uColor.rgb*max( uAlphaBlending, uColor.a ), uColor.a );\n
+    gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;\n
   }\n
 );
 
+
 Geometry GenerateGeometry( const Vector< Vector2 >& vertices, const Vector< unsigned int >& indices )
 {
   Property::Map vertexFormat;
@@ -207,7 +207,9 @@ ImageRenderer::ImageRenderer( RendererFactoryCache& factoryCache, ImageAtlasMana
   mDesiredSize(),
   mFittingMode( FittingMode::DEFAULT ),
   mSamplingMode( SamplingMode::DEFAULT ),
-  mIsAlphaPreMultiplied( false )
+  mIsAlphaPreMultiplied( false ),
+  mNativeFragmentShaderCode( ),
+  mNativeImageFlag( false )
 {
 }
 
@@ -336,6 +338,13 @@ 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() )
   {
@@ -387,9 +396,17 @@ 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
@@ -408,7 +425,43 @@ Renderer ImageRenderer::CreateRenderer() const
       {
         shader.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, FULL_TEXTURE_RECT );
         shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
-        shader.RegisterProperty( ALPHA_BLENDING_UNIFORM_NAME, 1.f );
+      }
+    }
+  }
+
+  Material material = Material::New( shader );
+  return Renderer::New( geometry, material );
+}
+
+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 );
       }
     }
   }
@@ -493,7 +546,7 @@ void ImageRenderer::DoSetOnStage( Actor& actor )
     InitializeRenderer( mImage );
   }
 
-  EnablePreMultipliedAlpha( mIsAlphaPreMultiplied );
+  mImpl->mRenderer.SetProperty(Renderer::Property::BLEND_PRE_MULTIPLIED_ALPHA, mIsAlphaPreMultiplied);
 }
 
 void ImageRenderer::DoSetOffStage( Actor& actor )
@@ -618,7 +671,6 @@ Shader ImageRenderer::GetImageShader( RendererFactoryCache& factoryCache )
     factoryCache.SaveShader( RendererFactoryCache::IMAGE_SHADER, shader );
     shader.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, FULL_TEXTURE_RECT );
     shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
-    shader.RegisterProperty( ALPHA_BLENDING_UNIFORM_NAME, 1.f );
   }
   return shader;
 }
@@ -669,11 +721,35 @@ 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 )
@@ -693,6 +769,20 @@ 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 );
@@ -711,29 +801,7 @@ void ImageRenderer::EnablePreMultipliedAlpha( bool preMultipled )
   mIsAlphaPreMultiplied = preMultipled;
   if( mImpl->mRenderer )
   {
-    Material material = mImpl->mRenderer.GetMaterial();
-
-    if( preMultipled )
-    {
-      material.SetBlendFunc( BlendingFactor::ONE, BlendingFactor::ONE_MINUS_SRC_ALPHA,
-                             BlendingFactor::ONE, BlendingFactor::ONE );
-      if( !mImpl->mCustomShader || mImpl->mCustomShader->mVertexShader.empty())
-      {
-        material.RegisterProperty( ALPHA_BLENDING_UNIFORM_NAME, 0.f );
-      }
-    }
-    else
-    {
-      // using default blend func
-      material.SetBlendFunc( BlendingFactor::SRC_ALPHA, BlendingFactor::ONE_MINUS_SRC_ALPHA,
-                              BlendingFactor::ONE, BlendingFactor::ONE_MINUS_SRC_ALPHA );
-
-      Property::Index index = material.GetPropertyIndex( ALPHA_BLENDING_UNIFORM_NAME );
-      if( index != Property::INVALID_INDEX ) // only set value when the property already exist on the Material
-      {
-        material.SetProperty( index, 1.f );
-      }
-    }
+    mImpl->mRenderer.SetProperty(Renderer::Property::BLEND_PRE_MULTIPLIED_ALPHA, mIsAlphaPreMultiplied);
   }
 }
 
@@ -787,6 +855,33 @@ void ImageRenderer::CleanCache(const std::string& url)
   }
 }
 
+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
 
 } // namespace Toolkit