diff options
Diffstat (limited to 'src/effects/shaders_ng/conicalgradient_nomask.frag')
-rw-r--r-- | src/effects/shaders_ng/conicalgradient_nomask.frag | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/src/effects/shaders_ng/conicalgradient_nomask.frag b/src/effects/shaders_ng/conicalgradient_nomask.frag deleted file mode 100644 index b63d7e6..0000000 --- a/src/effects/shaders_ng/conicalgradient_nomask.frag +++ /dev/null @@ -1,23 +0,0 @@ -#version 440 - -layout(location = 0) in vec2 qt_TexCoord0; -layout(location = 0) out vec4 fragColor; - -layout(std140, binding = 0) uniform buf { - // qt_Matrix and qt_Opacity must always be both present - // if the built-in vertex shader is used. - mat4 qt_Matrix; - float qt_Opacity; - vec2 center; - float startAngle; -}; - -layout(binding = 1) uniform sampler2D gradientSource; - -void main() -{ - const float PI = 3.14159265; - const float PIx2inv = 0.1591549; - float a = (atan((center.y - qt_TexCoord0.t), (center.x - qt_TexCoord0.s)) + PI - startAngle) * PIx2inv; - fragColor = texture(gradientSource, vec2(0.0, fract(a))) * qt_Opacity; -} |