1 files changed, 1 insertions, 43 deletions
diff --git a/render/fx_renderer/gles2/shaders/quad_grad.frag b/render/fx_renderer/gles2/shaders/quad_grad.frag
index 6f611ca..465da81 100644
--- a/render/fx_renderer/gles2/shaders/quad_grad.frag
+++ b/render/fx_renderer/gles2/shaders/quad_grad.frag
@@ -16,48 +16,6 @@ uniform bool linear;
 uniform bool blend;
 uniform int count;
 
-vec4 gradient(){
-	float step;
-
-	vec2 normal = (gl_FragCoord.xy - grad_box)/size;
-	vec2 uv = normal - origin;
-
-	float rad = radians(degree);
-
-	if(linear){
-		uv *= vec2(1.0)/vec2(abs(cos(rad)) + abs(sin(rad)));
-
-		vec2 rotated = vec2(uv.x * cos(rad) - uv.y * sin(rad) + origin.x,
-						uv.x * sin(rad) + uv.y * cos(rad) + origin.y);
-
-		step = rotated.x;
-	} else {
-		vec2 uv = normal - origin;
-		uv = vec2(uv.x * cos(rad) - uv.y * sin(rad),
-				uv.x * sin(rad) + uv.y * cos(rad));
-
-		uv = vec2(-atan(uv.y, uv.x)/3.14159265 * 0.5 + 0.5, 0.0);
-		step = uv.x;
-	}
-
-	if(!blend){
-		float smooth = 1.0/float(count);
-		int ind = int(step/smooth);
-
-		return colors[ind];
-	}
-
-	float smooth = 1.0/float(count - 1);
-    int ind = int(step/smooth);
-    float at = float(ind)*smooth;
-
-    vec4 color = colors[ind];
-    if(ind > 0) color = mix(colors[ind - 1], color, smoothstep(at - smooth, at, step));
-    if(ind <= count - 1) color = mix(color, colors[ind + 1], smoothstep(at, at + smooth, step));
-
-	return color;
-}
-
 void main(){
-	gl_FragColor = gradient();
+	gl_FragColor = gradient(colors, count, size, grad_box, origin, degree, linear, blend);
 }