1 files changed, 0 insertions, 28 deletions
diff --git a/src/opengl/util/radial_brush.glsl b/src/opengl/util/radial_brush.glsl
deleted file mode 100644
index 84bec62e65..0000000000
--- a/src/opengl/util/radial_brush.glsl
+++ /dev/null
@@ -1,28 +0,0 @@
-uniform sampler1D palette;
-uniform vec2 fmp;
-uniform float fmp2_m_radius2;
-uniform vec3 inv_matrix_m0;
-uniform vec3 inv_matrix_m1;
-uniform vec3 inv_matrix_m2;
-
-vec4 brush()
-{
-    mat3 mat;
-
-    mat[0] = inv_matrix_m0;
-    mat[1] = inv_matrix_m1;
-    mat[2] = inv_matrix_m2;
-
-    vec3 hcoords = mat * vec3(gl_FragCoord.xy, 1);
-    vec2 A = hcoords.xy / hcoords.z;
-    vec2 B = fmp;
-
-    float a = fmp2_m_radius2;
-    float b = 2.0*dot(A, B);
-    float c = -dot(A, A);
-
-    float val = (-b + sqrt(b*b - 4.0*a*c)) / (2.0*a);
-
-    return texture1D(palette, val);
-}
-