diff options
Diffstat (limited to 'src/quick/scenegraph/shaders/distancefieldoutlinetext.frag')
-rw-r--r-- | src/quick/scenegraph/shaders/distancefieldoutlinetext.frag | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/quick/scenegraph/shaders/distancefieldoutlinetext.frag b/src/quick/scenegraph/shaders/distancefieldoutlinetext.frag new file mode 100644 index 0000000000..250ed322a1 --- /dev/null +++ b/src/quick/scenegraph/shaders/distancefieldoutlinetext.frag @@ -0,0 +1,16 @@ +varying highp vec2 sampleCoord; + +uniform sampler2D _qt_texture; +uniform lowp vec4 color; +uniform lowp vec4 styleColor; +uniform mediump float alphaMin; +uniform mediump float alphaMax; +uniform mediump float outlineAlphaMax0; +uniform mediump float outlineAlphaMax1; + +void main() +{ + mediump float d = texture2D(_qt_texture, sampleCoord).a; + gl_FragColor = mix(styleColor, color, smoothstep(alphaMin, alphaMax, d)) + * smoothstep(outlineAlphaMax0, outlineAlphaMax1, d); +}
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