From: Heeyong Song <heeyong.song@samsung.com>
Date: Wed, 21 Feb 2018 02:03:23 +0000 (+0900)
Subject: [4.0] Fix blending factor for premultiplied alpha format
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;ds=sidebyside;h=5b204db436c567cae602a0f4650edb4117cf7d19;p=platform%2Fcore%2Fuifw%2Fdali-core.git

[4.0] Fix blending factor for premultiplied alpha format

Change-Id: I8030e1bd05a69d8afa06d2d0da12f40fc3f3d8d7
---

diff --git a/automated-tests/src/dali/utc-Dali-Renderer.cpp b/automated-tests/src/dali/utc-Dali-Renderer.cpp
index 9ea907d..021349f 100644
--- a/automated-tests/src/dali/utc-Dali-Renderer.cpp
+++ b/automated-tests/src/dali/utc-Dali-Renderer.cpp
@@ -956,7 +956,7 @@ int UtcDaliRendererPreMultipledAlpha(void)
   DALI_TEST_EQUALS( (int)BlendFactor::ONE,                 srcFactorRgb,    TEST_LOCATION );
   DALI_TEST_EQUALS( (int)BlendFactor::ONE_MINUS_SRC_ALPHA, destFactorRgb,   TEST_LOCATION );
   DALI_TEST_EQUALS( (int)BlendFactor::ONE,                 srcFactorAlpha,  TEST_LOCATION );
-  DALI_TEST_EQUALS( (int)BlendFactor::ONE,                 destFactorAlpha, TEST_LOCATION );
+  DALI_TEST_EQUALS( (int)BlendFactor::ONE_MINUS_SRC_ALPHA, destFactorAlpha, TEST_LOCATION );
 
   DALI_TEST_CHECK( gl.GetUniformValue<Vector4>( "uColor", actualValue ) );
   DALI_TEST_EQUALS( actualValue, Vector4(0.5f, 0.0f, 0.5f, 0.5f), TEST_LOCATION );
diff --git a/dali/internal/event/rendering/renderer-impl.cpp b/dali/internal/event/rendering/renderer-impl.cpp
index 62c517c..35431d5 100644
--- a/dali/internal/event/rendering/renderer-impl.cpp
+++ b/dali/internal/event/rendering/renderer-impl.cpp
@@ -315,7 +315,7 @@ void Renderer::EnablePreMultipliedAlpha( bool preMultipled )
   {
     if( preMultipled )
     {
-      SetBlendFunc( BlendFactor::ONE, BlendFactor::ONE_MINUS_SRC_ALPHA, BlendFactor::ONE, BlendFactor::ONE );
+      SetBlendFunc( BlendFactor::ONE, BlendFactor::ONE_MINUS_SRC_ALPHA, BlendFactor::ONE, BlendFactor::ONE_MINUS_SRC_ALPHA );
     }
     mPremultipledAlphaEnabled = preMultipled;
     SetEnablePreMultipliedAlphaMessage( GetEventThreadServices(), *mSceneObject, mPremultipledAlphaEnabled );