1 files changed, 0 insertions, 59 deletions
diff --git a/glow/src/shader/common/gradient.frag b/glow/src/shader/common/gradient.frag
deleted file mode 100644
index 9af0cb6e..00000000
--- a/glow/src/shader/common/gradient.frag
+++ /dev/null
@@ -1,59 +0,0 @@
-#ifdef GL_ES
-#ifdef GL_FRAGMENT_PRECISION_HIGH
-precision highp float;
-#else
-precision mediump float;
-#endif
-#endif
-
-#ifdef HIGHER_THAN_300
-layout (location = 0) out vec4 fragColor;
-#define gl_FragColor fragColor
-#endif
-
-in vec2 raw_position;
-
-uniform vec4 gradient_direction;
-uniform int color_stops_size;
-// GLSL does not support dynamically sized arrays without SSBOs so this is capped to 16 stops
-//stored as color(vec4) -> offset(vec4) sequentially;
-uniform vec4 color_stops[32];
-
-//TODO: rewrite without branching to make ALUs happy
-void main() {
-    vec2 start = gradient_direction.xy;
-    vec2 end = gradient_direction.zw;
-    vec2 gradient_vec = vec2(end - start);
-    vec2 current_vec = vec2(raw_position.xy - start);
-    vec2 unit = normalize(gradient_vec);
-    float coord_offset = dot(unit, current_vec) / length(gradient_vec);
-    //if a gradient has a start/end stop that is identical, the mesh will have a transparent fill
-    gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0);
-
-    float min_offset = color_stops[1].x;
-    float max_offset = color_stops[color_stops_size - 1].x;
-
-    for (int i = 0; i < color_stops_size - 2; i += 2) {
-        float curr_offset = color_stops[i+1].x;
-        float next_offset = color_stops[i+3].x;
-
-        if (coord_offset <= min_offset) {
-            //current coordinate is before the first defined offset, set it to the start color
-            gl_FragColor = color_stops[0];
-        }
-
-        if (curr_offset <= coord_offset && coord_offset <= next_offset) {
-            //current fragment is between the current offset processing & the next one, interpolate colors
-            gl_FragColor = mix(color_stops[i], color_stops[i+2], smoothstep(
-                curr_offset,
-                next_offset,
-                coord_offset
-            ));
-        }
-
-        if (coord_offset >= max_offset) {
-            //current coordinate is before the last defined offset, set it to the last color
-            gl_FragColor = color_stops[color_stops_size - 2];
-        }
-    }
-}