From 518c9e7b5de69ff2401dffa6235a88e2dcf2bb72 Mon Sep 17 00:00:00 2001
From: Agnelo Vaz <agnelo.vaz@samsung.com>
Date: Tue, 13 Dec 2016 12:10:30 +0000
Subject: [PATCH] TextVisual pixel aligned and uses new shader

Change-Id: I7736d9d605c995ace7fa4bc9bf5d1b8f7bb820cd
---
 .../internal/controls/buttons/button-impl.cpp        |  7 ++++++-
 dali-toolkit/internal/visuals/text/text-visual.cpp   | 20 ++++++++++++--------
 2 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/dali-toolkit/internal/controls/buttons/button-impl.cpp b/dali-toolkit/internal/controls/buttons/button-impl.cpp
index 51dd6ef..3bcdde3 100644
--- a/dali-toolkit/internal/controls/buttons/button-impl.cpp
+++ b/dali-toolkit/internal/controls/buttons/button-impl.cpp
@@ -1012,10 +1012,15 @@ void Button::OnRelayout( const Vector2& size, RelayoutContainer& container )
         labelPosition.y = labelVisualPadding.height;
       }
 
+      Vector2 preSize = Vector2( static_cast< int >( remainingSpaceForText.x ), static_cast< int >( remainingSpaceForText.y ));
+
       DALI_LOG_INFO( gLogButtonFilter, Debug::General, "OnRelayout text Size(%f,%f) text Position(%f,%f) \n", remainingSpaceForText.width, remainingSpaceForText.height, labelPosition.x, labelPosition.y);
 
+      DALI_LOG_INFO( gLogButtonFilter, Debug::General, "OnRelayout text Size -- (%f,%f) text Position(%f,%f) \n", preSize.width, preSize.height, labelPosition.x, labelPosition.y);
+
+
       Property::Map textVisualTransform;
-      textVisualTransform.Add( Toolkit::DevelVisual::Transform::Property::SIZE, remainingSpaceForText)
+      textVisualTransform.Add( Toolkit::DevelVisual::Transform::Property::SIZE, preSize )
                          .Add( Toolkit::DevelVisual::Transform::Property::OFFSET, labelPosition )
                          .Add( Toolkit::DevelVisual::Transform::Property::OFFSET_SIZE_MODE, Vector4( 1.0f, 1.0f, 1.0f,1.0f ) ) // Use absolute size
                          .Add( Toolkit::DevelVisual::Transform::Property::ORIGIN, Toolkit::Align::TOP_BEGIN )
diff --git a/dali-toolkit/internal/visuals/text/text-visual.cpp b/dali-toolkit/internal/visuals/text/text-visual.cpp
index 7a8ad7a..aad172d 100644
--- a/dali-toolkit/internal/visuals/text/text-visual.cpp
+++ b/dali-toolkit/internal/visuals/text/text-visual.cpp
@@ -94,9 +94,13 @@ const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
   uniform mediump mat4 uMvpMatrix;\n
   uniform mediump vec3 uSize;\n
   uniform mediump vec4 pixelArea;
+
+  uniform mediump mat4 uModelMatrix;\n
+  uniform mediump mat4 uViewMatrix;\n
+  uniform mediump mat4 uProjection;\n
+
   varying mediump vec2 vTexCoord;\n
   \n
-
   //Visual size and offset
   uniform mediump vec2 offset;\n
   uniform mediump vec2 size;\n
@@ -113,7 +117,10 @@ const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
 
   void main()\n
   {\n
-    mediump vec4 vertexPosition = uMvpMatrix *ComputeVertexPosition();\n
+    mediump vec4 nonAlignedVertex = uViewMatrix*uModelMatrix*ComputeVertexPosition();\n
+    mediump vec4 pixelAlignedVertex = vec4 ( floor(nonAlignedVertex.xyz), 1.0 );\n
+    mediump vec4 vertexPosition = uProjection*pixelAlignedVertex;\n
+
     vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n
     gl_Position = vertexPosition;\n
   }\n
@@ -268,12 +275,9 @@ void TextVisual::DoSetOnStage( Actor& actor )
     mFactoryCache.SaveGeometry( VisualFactoryCache::QUAD_GEOMETRY , geometry );
   }
 
-  Shader shader = mFactoryCache.GetShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP );
-  if( !shader )
-  {
-    shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
-    mFactoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
-  }
+  Shader shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
+  mFactoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
+
   shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
 
   mImpl->mRenderer = Renderer::New( geometry, shader );
-- 
2.7.4