| #include <metal_stdlib> |
| #include <simd/simd.h> |
| using namespace metal; |
| struct Uniforms { |
| float4 src; |
| float4 dst; |
| }; |
| struct Inputs { |
| }; |
| struct Outputs { |
| float4 sk_FragColor [[color(0)]]; |
| }; |
| float _blend_overlay_component(float2 s, float2 d) { |
| return 2.0 * d.x <= d.y ? (2.0 * s.x) * d.x : s.y * d.y - (2.0 * (d.y - d.x)) * (s.y - s.x); |
| } |
| |
| fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { |
| Outputs _out; |
| (void)_out; |
| float4 _0_result = float4(_blend_overlay_component(_uniforms.src.xw, _uniforms.dst.xw), _blend_overlay_component(_uniforms.src.yw, _uniforms.dst.yw), _blend_overlay_component(_uniforms.src.zw, _uniforms.dst.zw), _uniforms.src.w + (1.0 - _uniforms.src.w) * _uniforms.dst.w); |
| _0_result.xyz = _0_result.xyz + _uniforms.dst.xyz * (1.0 - _uniforms.src.w) + _uniforms.src.xyz * (1.0 - _uniforms.dst.w); |
| _out.sk_FragColor = _0_result; |
| return _out; |
| } |