X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali-toolkit%2Finternal%2Fgraphics%2Fshaders%2Fimage-visual-shader.vert;h=21d4084af5c46d28b5408143096f928b7b9ea64d;hb=862dfd28532f834238394c7ec0a15069c9bd2188;hp=fe0c35ca67d4c881cd77e0f14141be728b1687f6;hpb=e4d638dd0b325673bbd504aef409676fc5593a9d;p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git

diff --git a/dali-toolkit/internal/graphics/shaders/image-visual-shader.vert b/dali-toolkit/internal/graphics/shaders/image-visual-shader.vert
index fe0c35c..21d4084 100644
--- a/dali-toolkit/internal/graphics/shaders/image-visual-shader.vert
+++ b/dali-toolkit/internal/graphics/shaders/image-visual-shader.vert
@@ -1,5 +1,20 @@
+#ifndef IS_REQUIRED_ROUNDED_CORNER
+#define IS_REQUIRED_ROUNDED_CORNER 0
+#endif
+#ifndef IS_REQUIRED_BORDERLINE
+#define IS_REQUIRED_BORDERLINE 0
+#endif
+
 INPUT mediump vec2 aPosition;
 OUTPUT mediump vec2 vTexCoord;
+#if IS_REQUIRED_ROUNDED_CORNER || IS_REQUIRED_BORDERLINE
+OUTPUT mediump vec2 vPosition;
+OUTPUT mediump vec2 vRectSize;
+OUTPUT mediump vec2 vOptRectSize;
+#if IS_REQUIRED_ROUNDED_CORNER
+OUTPUT mediump vec4 vCornerRadius;
+#endif
+#endif
 
 uniform highp mat4 uMvpMatrix;
 uniform highp vec3 uSize;
@@ -11,17 +26,53 @@ uniform highp vec2 size;
 uniform mediump vec4 offsetSizeMode;
 uniform mediump vec2 origin;
 uniform mediump vec2 anchorPoint;
+#if IS_REQUIRED_BORDERLINE
+uniform mediump float borderlineWidth;
+uniform mediump float borderlineOffset;
+#endif
+#if IS_REQUIRED_ROUNDED_CORNER
+uniform mediump vec4 cornerRadius;
+uniform mediump float cornerRadiusPolicy;
+#endif
 uniform mediump vec2 extraSize;
 
 vec4 ComputeVertexPosition()
 {
-  vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw ) + extraSize;
-  vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);
-  return vec4( (aPosition + anchorPoint)*visualSize + (visualOffset + origin)*uSize.xy, 0.0, 1.0 );
+  vec2 visualSize = mix(uSize.xy * size, size, offsetSizeMode.zw) + extraSize;
+  vec2 visualOffset = mix(offset, offset/uSize.xy, offsetSizeMode.xy);
+
+#if IS_REQUIRED_ROUNDED_CORNER || IS_REQUIRED_BORDERLINE
+  vRectSize = visualSize * 0.5;
+  vOptRectSize = vRectSize;
+#endif
+
+#if IS_REQUIRED_ROUNDED_CORNER
+#if IS_REQUIRED_BORDERLINE
+  mediump float minSize = min(visualSize.x, visualSize.y) + (1.0 + clamp(borderlineOffset, -1.0, 1.0)) * borderlineWidth;
+#else
+  mediump float minSize = min(visualSize.x, visualSize.y);
+#endif
+  vCornerRadius = mix(cornerRadius * minSize, cornerRadius, cornerRadiusPolicy);
+  vCornerRadius = min(vCornerRadius, minSize * 0.5);
+  // Optimize fragment shader. 0.2929 ~= 1.0 - sqrt(0.5)
+  mediump float maxRadius = max(max(vCornerRadius.x, vCornerRadius.y), max(vCornerRadius.z, vCornerRadius.w));
+  vOptRectSize -= 0.2929 * maxRadius + 1.0;
+#endif
+
+#if IS_REQUIRED_BORDERLINE
+  vPosition = aPosition * (visualSize + (1.0 + clamp(borderlineOffset, -1.0, 1.0)) * borderlineWidth);
+  vOptRectSize -= (1.0 - clamp(borderlineOffset, -1.0, 1.0)) * 0.5 * borderlineWidth + 1.0;
+#elif IS_REQUIRED_ROUNDED_CORNER
+  vPosition = aPosition * visualSize;
+#else
+  mediump vec2 vPosition = aPosition * visualSize;
+#endif
+
+  vTexCoord = pixelArea.xy + pixelArea.zw * (vPosition.xy / max(vec2(1.0), visualSize) + vec2(0.5));
+  return vec4(vPosition + anchorPoint * visualSize + (visualOffset + origin) * uSize.xy, 0.0, 1.0);
 }
 
 void main()
 {
   gl_Position = uMvpMatrix * ComputeVertexPosition();
-  vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );
-}
\ No newline at end of file
+}