| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "advanced_blend_utils.glsl" |
| |
| vec3 Blend(vec3 dst, vec3 src) { |
| // https://www.w3.org/TR/compositing-1/#blendingcolordodge |
| vec3 color = min(vec3(1), dst / (1 - src)); |
| if (dst.r < kEhCloseEnough) { |
| color.r = 0; |
| } |
| if (dst.g < kEhCloseEnough) { |
| color.g = 0; |
| } |
| if (dst.b < kEhCloseEnough) { |
| color.b = 0; |
| } |
| if (1 - src.r < kEhCloseEnough) { |
| color.r = 1; |
| } |
| if (1 - src.g < kEhCloseEnough) { |
| color.g = 1; |
| } |
| if (1 - src.b < kEhCloseEnough) { |
| color.b = 1; |
| } |
| return color; |
| } |
| |
| #include "advanced_blend.glsl" |
