Remove atlas calculation from text-visual shader

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / visuals / text / text-visual.cpp

diff --git a/dali-toolkit/internal/visuals/text/text-visual.cpp b/dali-toolkit/internal/visuals/text/text-visual.cpp
index 0f43d7d..dac8315 100755 (executable)
--- a/dali-toolkit/internal/visuals/text/text-visual.cpp
+++ b/dali-toolkit/internal/visuals/text/text-visual.cpp
@@ -61,6 +61,7 @@ const char * const ENABLE_MARKUP_PROPERTY( "enableMarkup" );
 const char * const SHADOW_PROPERTY( "shadow" );
 const char * const UNDERLINE_PROPERTY( "underline" );
 const char * const OUTLINE_PROPERTY( "outline" );
+const char * const BACKGROUND_PROPERTY( "textBackground" );
 
 const Vector4 FULL_TEXTURE_RECT( 0.f, 0.f, 1.f, 1.f );
 
@@ -105,7 +106,6 @@ const char* FRAGMENT_SHADER_SINGLE_COLOR_TEXT = DALI_COMPOSE_SHADER(
   varying mediump vec2 vTexCoord;\n
   uniform sampler2D sTexture;\n
   uniform lowp vec4 uTextColorAnimatable;\n
-  uniform mediump vec4 uAtlasRect;\n
   uniform lowp vec4 uColor;\n
   uniform lowp vec3 mixColor;\n
   uniform lowp float opacity;\n
@@ -118,8 +118,7 @@ const char* FRAGMENT_SHADER_SINGLE_COLOR_TEXT = DALI_COMPOSE_SHADER(
   \n
   void main()\n
   {\n
-    mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
-    mediump float textTexture = texture2D( sTexture, texCoord ).r;\n
+    mediump float textTexture = texture2D( sTexture, vTexCoord ).r;\n
 
     // Set the color of the text to what it is animated to.
     gl_FragColor = uTextColorAnimatable * textTexture * uColor * visualMixColor();
@@ -129,7 +128,6 @@ const char* FRAGMENT_SHADER_SINGLE_COLOR_TEXT = DALI_COMPOSE_SHADER(
 const char* FRAGMENT_SHADER_MULTI_COLOR_TEXT = DALI_COMPOSE_SHADER(
   varying mediump vec2 vTexCoord;\n
   uniform sampler2D sTexture;\n
-  uniform mediump vec4 uAtlasRect;\n
   uniform lowp vec4 uColor;\n
   uniform lowp vec3 mixColor;\n
   uniform lowp float opacity;\n
@@ -142,8 +140,7 @@ const char* FRAGMENT_SHADER_MULTI_COLOR_TEXT = DALI_COMPOSE_SHADER(
   \n
   void main()\n
   {\n
-    mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
-    mediump vec4 textTexture = texture2D( sTexture, texCoord );\n
+    mediump vec4 textTexture = texture2D( sTexture, vTexCoord );\n
     textTexture.rgb *= mix( 1.0, textTexture.a, preMultipliedAlpha );\n
 
     gl_FragColor = textTexture * uColor * visualMixColor();
@@ -155,7 +152,6 @@ const char* FRAGMENT_SHADER_SINGLE_COLOR_TEXT_WITH_STYLE = DALI_COMPOSE_SHADER(
   uniform sampler2D sTexture;\n
   uniform sampler2D sStyle;\n
   uniform lowp vec4 uTextColorAnimatable;\n
-  uniform mediump vec4 uAtlasRect;\n
   uniform lowp vec4 uColor;\n
   uniform lowp vec3 mixColor;\n
   uniform lowp float opacity;\n
@@ -168,9 +164,8 @@ const char* FRAGMENT_SHADER_SINGLE_COLOR_TEXT_WITH_STYLE = DALI_COMPOSE_SHADER(
   \n
   void main()\n
   {\n
-    mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
-    mediump float textTexture = texture2D( sTexture, texCoord ).r;\n
-    mediump vec4 styleTexture = texture2D( sStyle, texCoord );\n
+    mediump float textTexture = texture2D( sTexture, vTexCoord ).r;\n
+    mediump vec4 styleTexture = texture2D( sStyle, vTexCoord );\n
 
     // Draw the text as overlay above the style
     gl_FragColor = ( uTextColorAnimatable * textTexture + styleTexture * ( 1.0 - textTexture ) ) * uColor * visualMixColor();\n
@@ -181,7 +176,6 @@ const char* FRAGMENT_SHADER_MULTI_COLOR_TEXT_WITH_STYLE = DALI_COMPOSE_SHADER(
   varying mediump vec2 vTexCoord;\n
   uniform sampler2D sTexture;\n
   uniform sampler2D sStyle;\n
-  uniform mediump vec4 uAtlasRect;\n
   uniform lowp vec4 uColor;\n
   uniform lowp vec3 mixColor;\n
   uniform lowp float opacity;\n
@@ -194,9 +188,8 @@ const char* FRAGMENT_SHADER_MULTI_COLOR_TEXT_WITH_STYLE = DALI_COMPOSE_SHADER(
   \n
   void main()\n
   {\n
-    mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
-    mediump vec4 textTexture = texture2D( sTexture, texCoord );\n
-    mediump vec4 styleTexture = texture2D( sStyle, texCoord );\n
+    mediump vec4 textTexture = texture2D( sTexture, vTexCoord );\n
+    mediump vec4 styleTexture = texture2D( sStyle, vTexCoord );\n
     textTexture.rgb *= mix( 1.0, textTexture.a, preMultipliedAlpha );\n
 
     // Draw the text as overlay above the style
@@ -209,7 +202,6 @@ const char* FRAGMENT_SHADER_SINGLE_COLOR_TEXT_WITH_EMOJI = DALI_COMPOSE_SHADER(
   uniform sampler2D sTexture;\n
   uniform sampler2D sMask;\n
   uniform lowp vec4 uTextColorAnimatable;\n
-  uniform mediump vec4 uAtlasRect;\n
   uniform lowp vec4 uColor;\n
   uniform lowp vec3 mixColor;\n
   uniform lowp float opacity;\n
@@ -222,9 +214,8 @@ const char* FRAGMENT_SHADER_SINGLE_COLOR_TEXT_WITH_EMOJI = DALI_COMPOSE_SHADER(
   \n
   void main()\n
   {\n
-    mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
-    mediump vec4 textTexture = texture2D( sTexture, texCoord );\n
-    mediump float maskTexture = texture2D( sMask, texCoord ).r;\n
+    mediump vec4 textTexture = texture2D( sTexture, vTexCoord );\n
+    mediump float maskTexture = texture2D( sMask, vTexCoord ).r;\n
 
     // Set the color of non-transparent pixel in text to what it is animated to.
     // Markup text with multiple text colors are not animated (but can be supported later on if required).
@@ -244,7 +235,6 @@ const char* FRAGMENT_SHADER_SINGLE_COLOR_TEXT_WITH_STYLE_AND_EMOJI = DALI_COMPOS
   uniform sampler2D sMask;\n
   uniform lowp float uHasMultipleTextColors;\n
   uniform lowp vec4 uTextColorAnimatable;\n
-  uniform mediump vec4 uAtlasRect;\n
   uniform lowp vec4 uColor;\n
   uniform lowp vec3 mixColor;\n
   uniform lowp float opacity;\n
@@ -257,10 +247,9 @@ const char* FRAGMENT_SHADER_SINGLE_COLOR_TEXT_WITH_STYLE_AND_EMOJI = DALI_COMPOS
   \n
   void main()\n
   {\n
-    mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n
-    mediump vec4 textTexture = texture2D( sTexture, texCoord );\n
-    mediump vec4 styleTexture = texture2D( sStyle, texCoord );\n
-    mediump float maskTexture = texture2D( sMask, texCoord ).r;\n
+    mediump vec4 textTexture = texture2D( sTexture, vTexCoord );\n
+    mediump vec4 styleTexture = texture2D( sStyle, vTexCoord );\n
+    mediump float maskTexture = texture2D( sMask, vTexCoord ).r;\n
 
     // Set the color of non-transparent pixel in text to what it is animated to.
     // Markup text with multiple text colors are not animated (but can be supported later on if required).
@@ -335,6 +324,10 @@ Dali::Property::Index StringKeyToIndexKey( const std::string& stringKey )
   {
     result = Toolkit::DevelTextVisual::Property::OUTLINE;
   }
+  else if( stringKey == BACKGROUND_PROPERTY )
+  {
+    result = Toolkit::DevelTextVisual::Property::BACKGROUND;
+  }
 
   return result;
 }
@@ -415,6 +408,9 @@ void TextVisual::DoCreatePropertyMap( Property::Map& map ) const
 
   GetOutlineProperties( mController, value, Text::EffectStyle::DEFAULT );
   map.Insert( Toolkit::DevelTextVisual::Property::OUTLINE, value );
+
+  GetBackgroundProperties( mController, value, Text::EffectStyle::DEFAULT );
+  map.Insert( Toolkit::DevelTextVisual::Property::BACKGROUND, value );
 }
 
 void TextVisual::DoCreateInstancePropertyMap( Property::Map& map ) const
@@ -608,6 +604,11 @@ void TextVisual::DoSetProperty( Dali::Property::Index index, const Dali::Propert
       SetOutlineProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
       break;
     }
+    case Toolkit::DevelTextVisual::Property::BACKGROUND:
+    {
+      SetBackgroundProperties( mController, propertyValue, Text::EffectStyle::DEFAULT );
+      break;
+    }
   }
 }
 
@@ -702,8 +703,9 @@ void TextVisual::UpdateRenderer()
 
       const bool underlineEnabled = mController->GetTextModel()->IsUnderlineEnabled();
       const bool outlineEnabled = ( mController->GetTextModel()->GetOutlineWidth() > Math::MACHINE_EPSILON_1 );
+      const bool backgroundEnabled = mController->GetTextModel()->IsBackgroundEnabled();;
 
-      const bool styleEnabled = ( shadowEnabled || underlineEnabled || outlineEnabled );
+      const bool styleEnabled = ( shadowEnabled || underlineEnabled || outlineEnabled || backgroundEnabled );
 
       TextureSet textureSet = GetTextTexture( relayoutSize, hasMultipleTextColors, containsColorGlyph, styleEnabled );
       mImpl->mRenderer.SetTextures( textureSet );
@@ -713,8 +715,6 @@ void TextVisual::UpdateRenderer()
 
       mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
 
-      Vector4 atlasRect = FULL_TEXTURE_RECT;
-      mImpl->mRenderer.RegisterProperty( ATLAS_RECT_UNIFORM_NAME, atlasRect );
       mImpl->mRenderer.RegisterProperty( "uHasMultipleTextColors", static_cast<float>( hasMultipleTextColors ) );
 
       mImpl->mRenderer.SetProperty( Renderer::Property::BLEND_MODE, BlendMode::ON);