- /*
- * Copyright (c) 2018 Samsung Electronics Co., Ltd.
+/*
+ * Copyright (c) 2020 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
{\n
vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw ) + extraSize;\n
vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n
- vRectSize = visualSize / 2.0 - cornerRadius;\n
+ vRectSize = visualSize * 0.5 - cornerRadius;\n
vPosition = aPosition* visualSize;\n
return vec4( vPosition + anchorPoint*visualSize + (visualOffset + origin)*uSize.xy, 0.0, 1.0 );\n
}\n
uniform lowp vec4 uColor;\n
uniform lowp vec3 mixColor;\n
uniform mediump float cornerRadius;\n
+ uniform lowp float preMultipliedAlpha;\n
\n
void main()\n
{\n
mediump float dist = length( max( abs( vPosition ), vRectSize ) - vRectSize ) - cornerRadius;\n
+ mediump float opacity = 1.0 - smoothstep( -1.0, 1.0, dist );\n
gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor * vec4( mixColor, 1.0 );\n
- gl_FragColor.a *= smoothstep( 1.0, -1.0, dist );\n
+ gl_FragColor.a *= opacity;\n
+ gl_FragColor.rgb *= mix( 1.0, opacity, preMultipliedAlpha );\n
}\n
);