Updated visuals to separate alpha channel from mixColor

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

diff --git a/dali-toolkit/internal/visuals/gradient/gradient-visual.cpp b/dali-toolkit/internal/visuals/gradient/gradient-visual.cpp
index ee2b150..4ea6a28 100644 (file)
--- a/dali-toolkit/internal/visuals/gradient/gradient-visual.cpp
+++ b/dali-toolkit/internal/visuals/gradient/gradient-visual.cpp
@@ -29,6 +29,7 @@
 
 // INTERNAL INCLUDES
 #include <dali-toolkit/public-api/visuals/gradient-visual-properties.h>
+#include <dali-toolkit/devel-api/visuals/visual-properties-devel.h>
 #include <dali-toolkit/internal/visuals/visual-factory-impl.h>
 #include <dali-toolkit/internal/visuals/visual-factory-cache.h>
 #include <dali-toolkit/internal/visuals/visual-string-constants.h>
@@ -107,13 +108,27 @@ const char* VERTEX_SHADER[] =
   uniform mediump mat3 uAlignmentMatrix;\n
   varying mediump vec2 vTexCoord;\n
   \n
+
+  //Visual size and offset
+  uniform mediump vec2 offset;\n
+  uniform mediump vec2 size;\n
+  uniform mediump vec4 offsetSizeMode;\n
+  uniform mediump vec2 origin;\n
+  uniform mediump vec2 anchorPoint;\n
+
+  vec4 ComputeVertexPosition()\n
+  {\n
+    vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw );\n
+    vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n
+    return vec4( (aPosition + anchorPoint)*visualSize + (visualOffset + origin)*uSize.xy, 0.0, 1.0 );\n
+  }\n
+
   void main()\n
   {\n
     mediump vec4 vertexPosition = vec4(aPosition, 0.0, 1.0);\n
     vTexCoord = (uAlignmentMatrix*vertexPosition.xyw).xy;\n
     \n
-    vertexPosition.xyz *= uSize;\n
-    gl_Position = uMvpMatrix * vertexPosition;\n
+    gl_Position = uMvpMatrix * ComputeVertexPosition();\n
   }\n
 ),
 
@@ -125,11 +140,26 @@ DALI_COMPOSE_SHADER(
   uniform mediump mat3 uAlignmentMatrix;\n
   varying mediump vec2 vTexCoord;\n
   \n
+
+  //Visual size and offset
+  uniform mediump vec2 offset;\n
+  uniform mediump vec2 size;\n
+  uniform mediump vec4 offsetSizeMode;\n
+  uniform mediump vec2 origin;\n
+  uniform mediump vec2 anchorPoint;\n
+
+  vec4 ComputeVertexPosition()\n
+  {\n
+    vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw );\n
+    vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n
+    return vec4( (aPosition + anchorPoint)*visualSize + (visualOffset + origin)*uSize.xy, 0.0, 1.0 );\n
+  }\n
+
   void main()\n
   {\n
     mediump vec4 vertexPosition = vec4(aPosition, 0.0, 1.0);\n
     vertexPosition.xyz *= uSize;\n
-    gl_Position = uMvpMatrix * vertexPosition;\n
+    gl_Position = uMvpMatrix * ComputeVertexPosition();\n
     \n
     vTexCoord = (uAlignmentMatrix*vertexPosition.xyw).xy;\n
   }\n
@@ -142,11 +172,13 @@ const char* FRAGMENT_SHADER[] =
 DALI_COMPOSE_SHADER(
   uniform sampler2D sTexture;\n // sampler1D?
   uniform lowp vec4 uColor;\n
+  uniform lowp vec3 mixColor;\n
+  uniform lowp float opacity;\n
   varying mediump vec2 vTexCoord;\n
   \n
   void main()\n
   {\n
-    gl_FragColor = texture2D( sTexture, vec2( vTexCoord.y, 0.5 ) ) * uColor;\n
+    gl_FragColor = texture2D( sTexture, vec2( vTexCoord.y, 0.5 ) ) * vec4(mixColor*opacity, opacity) * uColor;\n
   }\n
 ),
 
@@ -154,11 +186,13 @@ DALI_COMPOSE_SHADER(
 DALI_COMPOSE_SHADER(
   uniform sampler2D sTexture;\n // sampler1D?
   uniform lowp vec4 uColor;\n
+  uniform lowp vec3 mixColor;\n
+  uniform lowp float opacity;\n
   varying mediump vec2 vTexCoord;\n
   \n
   void main()\n
   {\n
-    gl_FragColor = texture2D( sTexture, vec2( length(vTexCoord), 0.5 ) ) * uColor;\n
+    gl_FragColor = texture2D( sTexture, vec2( length(vTexCoord), 0.5 ) ) * vec4(mixColor*opacity, opacity) * uColor;\n
   }\n
 )
 };
@@ -185,14 +219,17 @@ Dali::WrapMode::Type GetWrapMode( Toolkit::GradientVisual::SpreadMethod::Type sp
 
 } // unnamed namespace
 
-GradientVisualPtr GradientVisual::New( VisualFactoryCache& factoryCache )
+GradientVisualPtr GradientVisual::New( VisualFactoryCache& factoryCache, const Property::Map& properties )
 {
-  return new GradientVisual( factoryCache );
+  GradientVisualPtr gradientVisualPtr( new GradientVisual( factoryCache ) );
+  gradientVisualPtr->SetProperties( properties );
+  return gradientVisualPtr;
 }
 
 GradientVisual::GradientVisual( VisualFactoryCache& factoryCache )
 : Visual::Base( factoryCache ),
-  mGradientType( LINEAR )
+  mGradientType( LINEAR ),
+  mIsOpaque( true )
 {
   mImpl->mFlags |= Impl::IS_PREMULTIPLIED_ALPHA;
 }
@@ -228,9 +265,12 @@ void GradientVisual::DoSetProperties( const Property::Map& propertyMap )
   }
 }
 
-void GradientVisual::SetSize( const Vector2& size )
+void GradientVisual::OnSetTransform()
 {
-  Visual::Base::SetSize( size );
+  if( mImpl->mRenderer )
+  {
+    mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
+  }
 }
 
 void GradientVisual::DoSetOnStage( Actor& actor )
@@ -243,7 +283,7 @@ void GradientVisual::DoSetOnStage( Actor& actor )
 void GradientVisual::DoCreatePropertyMap( Property::Map& map ) const
 {
   map.Clear();
-  map.Insert( Toolkit::Visual::Property::TYPE, Toolkit::Visual::GRADIENT );
+  map.Insert( Toolkit::DevelVisual::Property::TYPE, Toolkit::Visual::GRADIENT );
   map.Insert( Toolkit::GradientVisual::Property::UNITS, mGradient->GetGradientUnits() );
   map.Insert( Toolkit::GradientVisual::Property::SPREAD_METHOD, mGradient->GetSpreadMethod() );
 
@@ -283,25 +323,9 @@ void GradientVisual::DoCreatePropertyMap( Property::Map& map ) const
   }
 }
 
-void GradientVisual::DoSetProperty( Dali::Property::Index index, const Dali::Property::Value& propertyValue )
-{
-  // TODO
-}
-
-Dali::Property::Value GradientVisual::DoGetProperty( Dali::Property::Index index )
-{
-  // TODO
-  return Dali::Property::Value();
-}
-
 void GradientVisual::InitializeRenderer()
 {
   Geometry geometry = mFactoryCache.GetGeometry( VisualFactoryCache::QUAD_GEOMETRY );
-  if( !geometry )
-  {
-    geometry =  VisualFactoryCache::CreateQuadGeometry();
-    mFactoryCache.SaveGeometry( VisualFactoryCache::QUAD_GEOMETRY, geometry );
-  }
 
   Toolkit::GradientVisual::Units::Type gradientUnits = mGradient->GetGradientUnits();
   VisualFactoryCache::ShaderType shaderType = GetShaderType( mGradientType, gradientUnits );
@@ -324,7 +348,16 @@ void GradientVisual::InitializeRenderer()
   mImpl->mRenderer = Renderer::New( geometry, shader );
   mImpl->mRenderer.SetTextures( textureSet );
 
+  // If opaque then no need to have blending
+  if( mIsOpaque )
+  {
+    mImpl->mRenderer.SetProperty( Renderer::Property::BLEND_MODE, BlendMode::OFF );
+  }
+
   mImpl->mRenderer.RegisterProperty( UNIFORM_ALIGNMENT_MATRIX_NAME, mGradientTransform );
+
+  //Register transform properties
+  mImpl->mTransform.RegisterUniforms( mImpl->mRenderer, Direction::LEFT_TO_RIGHT );
 }
 
 bool GradientVisual::NewGradient(Type gradientType, const Property::Map& propertyMap)
@@ -382,6 +415,10 @@ bool GradientVisual::NewGradient(Type gradientType, const Property::Map& propert
         {
           mGradient->AddStop( offsetArray[i], Vector4(color.r*color.a, color.g*color.a, color.b*color.a, color.a));
           numValidStop++;
+          if( ! Equals( color.a, 1.0f, Math::MACHINE_EPSILON_1 ) )
+          {
+            mIsOpaque = false;
+          }
         }
       }
     }
@@ -397,7 +434,7 @@ bool GradientVisual::NewGradient(Type gradientType, const Property::Map& propert
   if( spread )
   {
     Toolkit::GradientVisual::SpreadMethod::Type spreadMethod = Toolkit::GradientVisual::SpreadMethod::PAD;
-    if( Scripting::GetEnumerationProperty( *spread, SPREAD_METHOD_TABLE, SPREAD_METHOD_TABLE_COUNT, spreadMethod ) );
+    if( Scripting::GetEnumerationProperty( *spread, SPREAD_METHOD_TABLE, SPREAD_METHOD_TABLE_COUNT, spreadMethod ) )
     {
       mGradient->SetSpreadMethod( spreadMethod );
     }