X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Fgraphics%2Fshaders%2Fcolor-visual-rounded-corner-shader.frag;h=811dc1d9aaaa307c1e178aba6f4636f13293fdf6;hp=d68e66f8c5c6f7b030c5f55d45a98f006add93ff;hb=ec503e92aa01bc67f8ea118cf14aa3b1ed9d390e;hpb=35309f882c990c309b41aff6d11664c0c8637bb2

diff --git a/dali-toolkit/internal/graphics/shaders/color-visual-rounded-corner-shader.frag b/dali-toolkit/internal/graphics/shaders/color-visual-rounded-corner-shader.frag
index d68e66f..811dc1d 100644
--- a/dali-toolkit/internal/graphics/shaders/color-visual-rounded-corner-shader.frag
+++ b/dali-toolkit/internal/graphics/shaders/color-visual-rounded-corner-shader.frag
@@ -1,13 +1,37 @@
 INPUT mediump vec2 vPosition;
 INPUT mediump vec2 vRectSize;
-INPUT mediump float vCornerRadius;
+INPUT mediump vec2 vOptRectSize;
+INPUT mediump vec4 vCornerRadius;
 
 uniform lowp vec4 uColor;
 uniform lowp vec3 mixColor;
 
 void main()
 {
-  mediump float dist = length( max( abs( vPosition ), vRectSize ) - vRectSize ) - vCornerRadius;
   OUT_COLOR = vec4(mixColor, 1.0) * uColor;
-  OUT_COLOR.a *= 1.0 - smoothstep( -1.0, 1.0, dist );
-}
\ No newline at end of file
+  if(abs(vPosition.x) < vOptRectSize.x && abs(vPosition.y) < vOptRectSize.y)
+  {
+    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
+  );
+
+  mediump vec2 diff = abs(vPosition) - vRectSize + radius;
+  mediump float dist = length(max(diff, vec2(0.0))) - radius;
+  if(dist > 1.0)
+  {
+    OUT_COLOR.a = 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);
+    }
+    OUT_COLOR.a *= 1.0 - smoothstep(-1.0, 1.0, dist);
+  }
+}