1 files changed, 0 insertions, 29 deletions
diff --git a/src/quickshapes/shaders/radialgradient_core.frag b/src/quickshapes/shaders/radialgradient_core.frag
deleted file mode 100644
index 706ce53e4d..0000000000
--- a/src/quickshapes/shaders/radialgradient_core.frag
+++ /dev/null
@@ -1,29 +0,0 @@
-#version 150 core
-
-uniform sampler2D gradTabTexture;
-uniform float opacity;
-
-uniform vec2 focalToCenter;
-uniform float centerRadius;
-uniform float focalRadius;
-
-in vec2 coord;
-
-out vec4 fragColor;
-
-void main()
-{
-    float rd = centerRadius - focalRadius;
-    float b = 2.0 * (rd * focalRadius + dot(coord, focalToCenter));
-    float fmp2_m_radius2 = -focalToCenter.x * focalToCenter.x - focalToCenter.y * focalToCenter.y + rd * rd;
-    float inverse_2_fmp2_m_radius2 = 1.0 / (2.0 * fmp2_m_radius2);
-    float det = b * b - 4.0 * fmp2_m_radius2 * ((focalRadius * focalRadius) - dot(coord, coord));
-    vec4 result = vec4(0.0);
-    if (det >= 0.0) {
-        float detSqrt = sqrt(det);
-        float w = max((-b - detSqrt) * inverse_2_fmp2_m_radius2, (-b + detSqrt) * inverse_2_fmp2_m_radius2);
-        if (focalRadius + w * (centerRadius - focalRadius) >= 0.0)
-            result = texture(gradTabTexture, vec2(w, 0.5)) * opacity;
-    }
-    fragColor = result;
-}