Updated visuals to separate alpha channel from mixColor

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

diff --git a/dali-toolkit/internal/visuals/image/image-visual.cpp b/dali-toolkit/internal/visuals/image/image-visual.cpp
index a0197cd..f6e2a9f 100644 (file)
--- a/dali-toolkit/internal/visuals/image/image-visual.cpp
+++ b/dali-toolkit/internal/visuals/image/image-visual.cpp
@@ -125,12 +125,13 @@ const char* FRAGMENT_SHADER_NO_ATLAS = DALI_COMPOSE_SHADER(
   varying mediump vec2 vTexCoord;\n
   uniform sampler2D sTexture;\n
   uniform lowp vec4 uColor;\n
-  uniform lowp vec4 mixColor;\n
+  uniform lowp vec3 mixColor;\n
+  uniform lowp float opacity;\n
   uniform lowp float preMultipliedAlpha;\n
   \n
   lowp vec4 visualMixColor()\n
   {\n
-    return vec4( mixColor.rgb * mix( 1.0, mixColor.a, preMultipliedAlpha ), mixColor.a );\n
+    return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\n
   }\n
   void main()\n
   {\n
@@ -143,12 +144,13 @@ const char* FRAGMENT_SHADER_ATLAS_CLAMP = DALI_COMPOSE_SHADER(
     uniform sampler2D sTexture;\n
     uniform mediump vec4 uAtlasRect;\n
     uniform lowp vec4 uColor;\n
-    uniform lowp vec4 mixColor;\n
+    uniform lowp vec3 mixColor;\n
+    uniform lowp float opacity;\n
     uniform lowp float preMultipliedAlpha;\n
     \n
     lowp vec4 visualMixColor()\n
     {\n
-        return vec4( mixColor.rgb * mix( 1.0, mixColor.a, preMultipliedAlpha ), mixColor.a );\n
+        return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\n
     }\n
     \n
     void main()\n
@@ -165,7 +167,8 @@ const char* FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP = DALI_COMPOSE_SHADER(
     // WrapMode -- 0: CLAMP; 1: REPEAT; 2: REFLECT;
     uniform lowp vec2 wrapMode;\n
     uniform lowp vec4 uColor;\n
-    uniform lowp vec4 mixColor;\n
+    uniform lowp vec3 mixColor;\n
+    uniform lowp float opacity;\n
     uniform lowp float preMultipliedAlpha;\n
     \n
     mediump float wrapCoordinate( mediump vec2 range, mediump float coordinate, lowp float wrap )\n
@@ -180,7 +183,7 @@ const char* FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP = DALI_COMPOSE_SHADER(
     \n
     lowp vec4 visualMixColor()\n
     {\n
-      return vec4( mixColor.rgb * mix( 1.0, mixColor.a, preMultipliedAlpha ), mixColor.a );\n
+      return vec4( mixColor * mix( 1.0, opacity, preMultipliedAlpha ), opacity );\n
     }\n
     \n
     void main()\n