diff options
Diffstat (limited to 'src/effects/shaders/conicalgradient_mask.frag')
-rw-r--r-- | src/effects/shaders/conicalgradient_mask.frag | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/src/effects/shaders/conicalgradient_mask.frag b/src/effects/shaders/conicalgradient_mask.frag deleted file mode 100644 index db78564..0000000 --- a/src/effects/shaders/conicalgradient_mask.frag +++ /dev/null @@ -1,14 +0,0 @@ -varying mediump vec2 qt_TexCoord0; -uniform lowp sampler2D gradientSource; -uniform lowp sampler2D maskSource; -uniform highp float qt_Opacity; -uniform highp float startAngle; -uniform highp vec2 center; - -void main() { - lowp float maskAlpha = texture2D(maskSource, qt_TexCoord0).a; - const highp float PI = 3.14159265; - const highp float PIx2inv = 0.1591549; - highp float a = (atan((center.y - qt_TexCoord0.t), (center.x - qt_TexCoord0.s)) + PI - startAngle) * PIx2inv; - gl_FragColor = texture2D(gradientSource, vec2(0.0, fract(a))) * maskAlpha * qt_Opacity; -} |