X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali-toolkit%2Finternal%2Fgraphics%2Fshaders%2Fimage-visual-rounded-corner-shader.frag;h=6eacb9382c868c1e2fdc3f3e5cd03c64875454d0;hb=e015f32740b0efd126f0e314ee872474e1fe1e91;hp=1e3a1a743035cac3f000fcdc257f50bda26de9cd;hpb=35309f882c990c309b41aff6d11664c0c8637bb2;p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git

diff --git a/dali-toolkit/internal/graphics/shaders/image-visual-rounded-corner-shader.frag b/dali-toolkit/internal/graphics/shaders/image-visual-rounded-corner-shader.frag
index 1e3a1a7..6eacb93 100644
--- a/dali-toolkit/internal/graphics/shaders/image-visual-rounded-corner-shader.frag
+++ b/dali-toolkit/internal/graphics/shaders/image-visual-rounded-corner-shader.frag
@@ -1,7 +1,8 @@
 INPUT mediump vec2 vTexCoord;
 INPUT mediump vec2 vPosition;
 INPUT mediump vec2 vRectSize;
-INPUT mediump float vCornerRadius;
+INPUT mediump vec2 vOptRectSize;
+INPUT mediump vec4 vCornerRadius;
 
 uniform sampler2D sTexture;
 uniform lowp vec4 uColor;
@@ -10,10 +11,35 @@ uniform lowp float preMultipliedAlpha;
 
 void main()
 {
-  mediump float dist = length( max( abs( vPosition ), vRectSize ) - vRectSize ) - vCornerRadius;
-  mediump float opacity = 1.0 - smoothstep( -1.0, 1.0, dist );
+  if(abs(vPosition.x) < vOptRectSize.x && abs(vPosition.y) < vOptRectSize.y)
+  {
+    OUT_COLOR = TEXTURE(sTexture, vTexCoord) * uColor * vec4(mixColor, 1.0);
+    return;
+  }
+  mediump float radius =
+  mix(
+    mix(vCornerRadius.x, vCornerRadius.y, sign(vPosition.x) * 0.5 + 0.5),
+    mix(vCornerRadius.w, vCornerRadius.z, sign(vPosition.x) * 0.5 + 0.5),
+    sign(vPosition.y) * 0.5 + 0.5
+  );
 
-  OUT_COLOR = TEXTURE( sTexture, vTexCoord ) * uColor * vec4( mixColor, 1.0 );
+  mediump vec2 diff = abs(vPosition) - vRectSize + radius;
+  mediump float dist = length(max(diff, vec2(0.0))) - radius;
+  mediump float opacity = 1.0;
+  if(dist > 1.0)
+  {
+    opacity = 0.0;
+  }
+  else if(dist > -1.0)
+  {
+    if(min(diff.x, diff.y) < 0.0)
+    {
+      dist += min(diff.x, diff.y) / max(radius, 1.0);
+    }
+    opacity = 1.0 - smoothstep(-1.0, 1.0, dist);
+  }
+
+  OUT_COLOR = TEXTURE(sTexture, vTexCoord) * uColor * vec4(mixColor, 1.0);
   OUT_COLOR.a *= opacity;
-  OUT_COLOR.rgb *= mix( 1.0, opacity, preMultipliedAlpha );
-}
\ No newline at end of file
+  OUT_COLOR.rgb *= mix(1.0, opacity, preMultipliedAlpha);
+}