| #version 400 |
| const float sk_PrivkGuardedDivideEpsilon = false ? 1e-08 : 0.0; |
| out vec4 sk_FragColor; |
| uniform vec4 src; |
| uniform vec4 dst; |
| float color_burn_component_Qhh2h2(vec2 s, vec2 d); |
| float color_burn_component_Qhh2h2(vec2 s, vec2 d) { |
| if (d.y == d.x) { |
| return (s.y * d.y + s.x * (1.0 - d.y)) + d.x * (1.0 - s.y); |
| } else if (s.x == 0.0) { |
| return d.x * (1.0 - s.y); |
| } else { |
| float delta = max(0.0, d.y - ((d.y - d.x) * s.y) / (s.x + sk_PrivkGuardedDivideEpsilon)); |
| return (delta * s.y + s.x * (1.0 - d.y)) + d.x * (1.0 - s.y); |
| } |
| } |
| void main() { |
| sk_FragColor = vec4(color_burn_component_Qhh2h2(src.xw, dst.xw), color_burn_component_Qhh2h2(src.yw, dst.yw), color_burn_component_Qhh2h2(src.zw, dst.zw), src.w + (1.0 - src.w) * dst.w); |
| } |