You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
20 lines
643 B
20 lines
643 B
#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)]];
|
|
};
|
|
|
|
fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
|
|
Outputs _out;
|
|
(void)_out;
|
|
_out.sk_FragColor = float4((_uniforms.src.xyz + _uniforms.dst.xyz) - 2.0 * min(_uniforms.src.xyz * _uniforms.dst.w, _uniforms.dst.xyz * _uniforms.src.w), _uniforms.src.w + (1.0 - _uniforms.src.w) * _uniforms.dst.w);
|
|
return _out;
|
|
}
|