31 lines
755 B
Metal
31 lines
755 B
Metal
|
#include <metal_stdlib>
|
||
|
|
#include <simd/simd.h>
|
||
|
|
using namespace metal;
|
||
|
|
struct Inputs {
|
||
|
|
};
|
||
|
|
struct Outputs {
|
||
|
|
float4 sk_FragColor [[color(0)]];
|
||
|
|
};
|
||
|
|
fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
|
||
|
|
Outputs _outputStruct;
|
||
|
|
thread Outputs* _out = &_outputStruct;
|
||
|
|
if (sqrt(2.0) > 5.0) {
|
||
|
|
_out->sk_FragColor = float4(0.75);
|
||
|
|
} else {
|
||
|
|
discard_fragment();
|
||
|
|
}
|
||
|
|
int i = 0;
|
||
|
|
while (i < 10) {
|
||
|
|
_out->sk_FragColor *= 0.5;
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
do {
|
||
|
|
_out->sk_FragColor += 0.25;
|
||
|
|
} while (_out->sk_FragColor.x < 0.75);
|
||
|
|
for (int i = 0;i < 10; i++) {
|
||
|
|
if (i % 2 == 1) break; else continue;
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
return *_out;
|
||
|
|
}
|